3463 lines
123 KiB
C++
3463 lines
123 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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******************************************************************************
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* Copyright (C) 1997-2016, International Business Machines Corporation and
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* others. All Rights Reserved.
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******************************************************************************
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*
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* File uresbund.cpp
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*
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* Modification History:
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*
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* Date Name Description
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* 04/01/97 aliu Creation.
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* 06/14/99 stephen Removed functions taking a filename suffix.
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* 07/20/99 stephen Changed for UResourceBundle typedef'd to void*
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* 11/09/99 weiv Added ures_getLocale()
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* March 2000 weiv Total overhaul - using data in DLLs
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* 06/20/2000 helena OS/400 port changes; mostly typecast.
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* 06/24/02 weiv Added support for resource sharing
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******************************************************************************
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*/
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#include "unicode/ures.h"
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#include "unicode/ustring.h"
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#include "unicode/ucnv.h"
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#include "charstr.h"
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#include "uresimp.h"
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#include "ustr_imp.h"
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#include "cwchar.h"
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#include "ucln_cmn.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "mutex.h"
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#include "uhash.h"
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#include "unicode/uenum.h"
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#include "uenumimp.h"
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#include "ulocimp.h"
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#include "umutex.h"
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#include "putilimp.h"
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#include "uassert.h"
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#include "uresdata.h"
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using namespace icu;
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/*
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Static cache for already opened resource bundles - mostly for keeping fallback info
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TODO: This cache should probably be removed when the deprecated code is
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completely removed.
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*/
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static UHashtable *cache = nullptr;
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static icu::UInitOnce gCacheInitOnce {};
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static UMutex resbMutex;
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/* INTERNAL: hashes an entry */
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static int32_t U_CALLCONV hashEntry(const UHashTok parm) {
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UResourceDataEntry *b = (UResourceDataEntry *)parm.pointer;
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UHashTok namekey, pathkey;
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namekey.pointer = b->fName;
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pathkey.pointer = b->fPath;
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return uhash_hashChars(namekey)+37u*uhash_hashChars(pathkey);
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}
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/* INTERNAL: compares two entries */
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static UBool U_CALLCONV compareEntries(const UHashTok p1, const UHashTok p2) {
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UResourceDataEntry *b1 = (UResourceDataEntry *)p1.pointer;
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UResourceDataEntry *b2 = (UResourceDataEntry *)p2.pointer;
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UHashTok name1, name2, path1, path2;
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name1.pointer = b1->fName;
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name2.pointer = b2->fName;
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path1.pointer = b1->fPath;
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path2.pointer = b2->fPath;
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return (UBool)(uhash_compareChars(name1, name2) &&
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uhash_compareChars(path1, path2));
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}
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/**
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* Internal function, gets parts of locale name according
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* to the position of '_' character
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*/
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static UBool chopLocale(char *name) {
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char *i = uprv_strrchr(name, '_');
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if(i != nullptr) {
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*i = '\0';
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return true;
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}
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return false;
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}
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static UBool hasVariant(const char* localeID) {
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UErrorCode err = U_ZERO_ERROR;
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int32_t variantLength = uloc_getVariant(localeID, nullptr, 0, &err);
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return variantLength != 0;
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}
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// This file contains the tables for doing locale fallback, which are generated
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// by the CLDR-to-ICU process directly from the CLDR data. This file should only
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// ever be included from here.
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#define INCLUDED_FROM_URESBUND_CPP
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#include "localefallback_data.h"
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static const char* performFallbackLookup(const char* key,
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const char* keyStrs,
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const char* valueStrs,
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const int32_t* lookupTable,
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int32_t lookupTableLength) {
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const int32_t* bottom = lookupTable;
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const int32_t* top = lookupTable + lookupTableLength;
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while (bottom < top) {
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// Effectively, divide by 2 and round down to an even index
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const int32_t* middle = bottom + (((top - bottom) / 4) * 2);
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const char* entryKey = &(keyStrs[*middle]);
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int32_t strcmpResult = uprv_strcmp(key, entryKey);
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if (strcmpResult == 0) {
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return &(valueStrs[middle[1]]);
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} else if (strcmpResult < 0) {
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top = middle;
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} else {
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bottom = middle + 2;
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}
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}
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return nullptr;
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}
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static CharString getDefaultScript(const CharString& language, const CharString& region) {
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const char* defaultScript = nullptr;
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UErrorCode err = U_ZERO_ERROR;
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// the default script will be "Latn" if we don't find the locale ID in the tables
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CharString result("Latn", err);
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// if we were passed both language and region, make them into a locale ID and look that up in the default
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// script table
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if (!region.isEmpty()) {
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CharString localeID;
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localeID.append(language, err).append("_", err).append(region, err);
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if (U_FAILURE(err)) {
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return result;
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}
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defaultScript = performFallbackLookup(localeID.data(), dsLocaleIDChars, scriptCodeChars, defaultScriptTable, UPRV_LENGTHOF(defaultScriptTable));
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}
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// if we didn't find anything, look up just the language in the default script table
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if (defaultScript == nullptr) {
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defaultScript = performFallbackLookup(language.data(), dsLocaleIDChars, scriptCodeChars, defaultScriptTable, UPRV_LENGTHOF(defaultScriptTable));
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}
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// if either lookup above succeeded, copy the result from "defaultScript" into "result"; otherwise, return "Latn"
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if (defaultScript != nullptr) {
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result.clear();
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result.append(defaultScript, err);
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}
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return result;
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}
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enum UResOpenType {
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/**
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* Open a resource bundle for the locale;
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* if there is not even a base language bundle, then fall back to the default locale;
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* if there is no bundle for that either, then load the root bundle.
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*
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* This is the default bundle loading behavior.
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*/
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URES_OPEN_LOCALE_DEFAULT_ROOT,
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// TODO: ICU ticket #11271 "consistent default locale across locale trees"
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// Add an option to look at the main locale tree for whether to
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// fall back to root directly (if the locale has main data) or
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// fall back to the default locale first (if the locale does not even have main data).
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/**
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* Open a resource bundle for the locale;
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* if there is not even a base language bundle, then load the root bundle;
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* never fall back to the default locale.
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*
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* This is used for algorithms that have good pan-Unicode default behavior,
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* such as case mappings, collation, and segmentation (BreakIterator).
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*/
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URES_OPEN_LOCALE_ROOT,
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/**
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* Open a resource bundle for the exact bundle name as requested;
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* no fallbacks, do not load parent bundles.
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*
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* This is used for supplemental (non-locale) data.
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*/
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URES_OPEN_DIRECT
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};
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typedef enum UResOpenType UResOpenType;
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/**
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* Internal function, determines the search path for resource bundle files.
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* Currently, this function is used only by findFirstExisting() to help search for resource bundle files when a bundle for the specified
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* locale doesn't exist. The code that supports inheritance of resources between existing resource bundle files continues to
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* use chopLocale() below.
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* @param name In-out parameter: On input, the locale ID to get a parent locale ID for (this is a locale's base name, without keywords); on output, the
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* requested parent locale ID.
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* @param origName The original locale ID the caller of findFirstExisting() requested. This is the same as `name` on the first call to this function,
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* but as findFirstExisting() ascends the resource bundle's parent tree, this parameter will continue to be the original locale ID requested.
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*/
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static bool getParentLocaleID(char *name, const char *origName, UResOpenType openType) {
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// early out if the locale ID has a variant code or ends with _
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size_t nameLen = uprv_strlen(name);
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if (!nameLen || name[nameLen - 1] == '_' || hasVariant(name)) {
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return chopLocale(name);
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}
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UErrorCode err = U_ZERO_ERROR;
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const char* tempNamePtr = name;
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CharString language = ulocimp_getLanguage(tempNamePtr, &tempNamePtr, err);
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if (*tempNamePtr == '_') {
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++tempNamePtr;
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}
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CharString script = ulocimp_getScript(tempNamePtr, &tempNamePtr, err);
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if (*tempNamePtr == '_') {
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++tempNamePtr;
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}
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CharString region = ulocimp_getCountry(tempNamePtr, &tempNamePtr, err);
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CharString workingLocale;
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if (U_FAILURE(err)) {
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// hopefully this never happens...
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return chopLocale(name);
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}
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// if the open type is URES_OPEN_LOCALE_DEFAULT_ROOT, first look the locale ID up in the parent locale table;
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// if that table specifies a parent for it, return that (we don't do this for the other open types-- if we're not
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// falling back through the system default locale, we also want to do straight truncation fallback instead
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// of looking things up in the parent locale table-- see https://www.unicode.org/reports/tr35/tr35.html#Parent_Locales:
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// "Collation data, however, is an exception...")
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if (openType == URES_OPEN_LOCALE_DEFAULT_ROOT) {
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const char* parentID = performFallbackLookup(name, parentLocaleChars, parentLocaleChars, parentLocaleTable, UPRV_LENGTHOF(parentLocaleTable));
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if (parentID != nullptr) {
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uprv_strcpy(name, parentID);
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return true;
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}
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}
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// if it's not in the parent locale table, figure out the fallback script algorithmically
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// (see CLDR-15265 for an explanation of the algorithm)
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if (!script.isEmpty() && !region.isEmpty()) {
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// if "name" has both script and region, is the script the default script?
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// - if so, remove it and keep the region
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// - if not, remove the region and keep the script
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if (getDefaultScript(language, region) == script.toStringPiece()) {
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workingLocale.append(language, err).append("_", err).append(region, err);
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} else {
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workingLocale.append(language, err).append("_", err).append(script, err);
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}
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} else if (!region.isEmpty()) {
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// if "name" has region but not script, did the original locale ID specify a script?
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// - if yes, replace the region with the script from the original locale ID
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// - if no, replace the region with the default script for that language and region
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UErrorCode err = U_ZERO_ERROR;
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tempNamePtr = origName;
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CharString origNameLanguage = ulocimp_getLanguage(tempNamePtr, &tempNamePtr, err);
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if (*tempNamePtr == '_') {
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++tempNamePtr;
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}
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CharString origNameScript = ulocimp_getScript(origName, nullptr, err);
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if (!origNameScript.isEmpty()) {
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workingLocale.append(language, err).append("_", err).append(origNameScript, err);
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} else {
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workingLocale.append(language, err).append("_", err).append(getDefaultScript(language, region), err);
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}
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} else if (!script.isEmpty()) {
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// if "name" has script but not region (and our open type if URES_OPEN_LOCALE_DEFAULT_ROOT), is the script
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// the default script for the language?
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// - if so, remove it from the locale ID
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// - if not, return false to continue up the chain
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// (we don't do this for other open types for the same reason we don't look things up in the parent
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// locale table for other open types-- see the reference to UTS #35 above)
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if (openType != URES_OPEN_LOCALE_DEFAULT_ROOT || getDefaultScript(language, CharString()) == script.toStringPiece()) {
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workingLocale.append(language, err);
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} else {
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return false;
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}
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} else {
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// if "name" just contains a language code, return false so the calling code falls back to "root"
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return false;
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}
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if (U_SUCCESS(err) && !workingLocale.isEmpty()) {
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uprv_strcpy(name, workingLocale.data());
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return true;
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} else {
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return false;
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}
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}
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/**
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* Called to check whether a name without '_' needs to be checked for a parent.
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* Some code had assumed that locale IDs with '_' could not have a non-root parent.
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* We may want a better way of doing this.
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*/
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static UBool mayHaveParent(char *name) {
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return (name[0] != 0 && uprv_strstr("nb nn",name) != nullptr);
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}
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/**
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* Internal function
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*/
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static void entryIncrease(UResourceDataEntry *entry) {
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Mutex lock(&resbMutex);
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entry->fCountExisting++;
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while(entry->fParent != nullptr) {
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entry = entry->fParent;
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entry->fCountExisting++;
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}
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}
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/**
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* Internal function. Tries to find a resource in given Resource
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* Bundle, as well as in its parents
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*/
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static UResourceDataEntry *getFallbackData(
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const UResourceBundle *resBundle,
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const char **resTag, Resource *res, UErrorCode *status) {
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UResourceDataEntry *dataEntry = resBundle->fData;
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int32_t indexR = -1;
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int32_t i = 0;
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*res = RES_BOGUS;
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if(dataEntry == nullptr) {
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*status = U_MISSING_RESOURCE_ERROR;
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return nullptr;
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}
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if(dataEntry->fBogus == U_ZERO_ERROR) { /* if this resource is real, */
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*res = res_getTableItemByKey(&(dataEntry->fData), dataEntry->fData.rootRes, &indexR, resTag); /* try to get data from there */
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i++;
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}
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if(resBundle->fHasFallback) {
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// Otherwise, we'll look in parents.
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while(*res == RES_BOGUS && dataEntry->fParent != nullptr) {
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dataEntry = dataEntry->fParent;
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if(dataEntry->fBogus == U_ZERO_ERROR) {
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i++;
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*res = res_getTableItemByKey(&(dataEntry->fData), dataEntry->fData.rootRes, &indexR, resTag);
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}
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}
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}
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if(*res == RES_BOGUS) {
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// If the resource is not found, we need to give an error.
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*status = U_MISSING_RESOURCE_ERROR;
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return nullptr;
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}
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// If the resource is found in parents, we need to adjust the error.
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if(i>1) {
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if(uprv_strcmp(dataEntry->fName, uloc_getDefault())==0 || uprv_strcmp(dataEntry->fName, kRootLocaleName)==0) {
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*status = U_USING_DEFAULT_WARNING;
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} else {
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*status = U_USING_FALLBACK_WARNING;
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}
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}
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return dataEntry;
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}
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static void
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free_entry(UResourceDataEntry *entry) {
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UResourceDataEntry *alias;
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res_unload(&(entry->fData));
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if(entry->fName != nullptr && entry->fName != entry->fNameBuffer) {
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uprv_free(entry->fName);
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}
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if(entry->fPath != nullptr) {
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uprv_free(entry->fPath);
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}
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if(entry->fPool != nullptr) {
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--entry->fPool->fCountExisting;
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}
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alias = entry->fAlias;
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if(alias != nullptr) {
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while(alias->fAlias != nullptr) {
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alias = alias->fAlias;
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}
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--alias->fCountExisting;
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}
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uprv_free(entry);
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}
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/* Works just like ucnv_flushCache() */
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static int32_t ures_flushCache()
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{
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UResourceDataEntry *resB;
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int32_t pos;
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int32_t rbDeletedNum = 0;
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const UHashElement *e;
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UBool deletedMore;
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/*if shared data hasn't even been lazy evaluated yet
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* return 0
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*/
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Mutex lock(&resbMutex);
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if (cache == nullptr) {
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return 0;
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}
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do {
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deletedMore = false;
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/*creates an enumeration to iterate through every element in the table */
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pos = UHASH_FIRST;
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while ((e = uhash_nextElement(cache, &pos)) != nullptr)
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{
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resB = (UResourceDataEntry *) e->value.pointer;
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/* Deletes only if reference counter == 0
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* Don't worry about the children of this node.
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* Those will eventually get deleted too, if not already.
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* Don't worry about the parents of this node.
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* Those will eventually get deleted too, if not already.
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*/
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/* 04/05/2002 [weiv] fCountExisting should now be accurate. If it's not zero, that means that */
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/* some resource bundles are still open somewhere. */
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if (resB->fCountExisting == 0) {
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rbDeletedNum++;
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deletedMore = true;
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uhash_removeElement(cache, e);
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free_entry(resB);
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}
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}
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/*
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* Do it again to catch bundles (aliases, pool bundle) whose fCountExisting
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* got decremented by free_entry().
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*/
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} while(deletedMore);
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return rbDeletedNum;
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}
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#ifdef URES_DEBUG
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#include <stdio.h>
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U_CAPI UBool U_EXPORT2 ures_dumpCacheContents() {
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UBool cacheNotEmpty = false;
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int32_t pos = UHASH_FIRST;
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const UHashElement *e;
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UResourceDataEntry *resB;
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Mutex lock(&resbMutex);
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if (cache == nullptr) {
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fprintf(stderr,"%s:%d: RB Cache is nullptr.\n", __FILE__, __LINE__);
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return false;
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}
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while ((e = uhash_nextElement(cache, &pos)) != nullptr) {
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cacheNotEmpty=true;
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resB = (UResourceDataEntry *) e->value.pointer;
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fprintf(stderr,"%s:%d: RB Cache: Entry @0x%p, refcount %d, name %s:%s. Pool 0x%p, alias 0x%p, parent 0x%p\n",
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__FILE__, __LINE__,
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(void*)resB, resB->fCountExisting,
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resB->fName?resB->fName:"nullptr",
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resB->fPath?resB->fPath:"nullptr",
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(void*)resB->fPool,
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(void*)resB->fAlias,
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(void*)resB->fParent);
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}
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fprintf(stderr,"%s:%d: RB Cache still contains %d items.\n", __FILE__, __LINE__, uhash_count(cache));
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return cacheNotEmpty;
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}
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#endif
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static UBool U_CALLCONV ures_cleanup()
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{
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if (cache != nullptr) {
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ures_flushCache();
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uhash_close(cache);
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cache = nullptr;
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}
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gCacheInitOnce.reset();
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return true;
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}
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/** INTERNAL: Initializes the cache for resources */
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static void U_CALLCONV createCache(UErrorCode &status) {
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U_ASSERT(cache == nullptr);
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cache = uhash_open(hashEntry, compareEntries, nullptr, &status);
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ucln_common_registerCleanup(UCLN_COMMON_URES, ures_cleanup);
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}
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static void initCache(UErrorCode *status) {
|
|
umtx_initOnce(gCacheInitOnce, &createCache, *status);
|
|
}
|
|
|
|
/** INTERNAL: sets the name (locale) of the resource bundle to given name */
|
|
|
|
static void setEntryName(UResourceDataEntry *res, const char *name, UErrorCode *status) {
|
|
int32_t len = (int32_t)uprv_strlen(name);
|
|
if(res->fName != nullptr && res->fName != res->fNameBuffer) {
|
|
uprv_free(res->fName);
|
|
}
|
|
if (len < (int32_t)sizeof(res->fNameBuffer)) {
|
|
res->fName = res->fNameBuffer;
|
|
}
|
|
else {
|
|
res->fName = (char *)uprv_malloc(len+1);
|
|
}
|
|
if(res->fName == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
} else {
|
|
uprv_strcpy(res->fName, name);
|
|
}
|
|
}
|
|
|
|
static UResourceDataEntry *
|
|
getPoolEntry(const char *path, UErrorCode *status);
|
|
|
|
/**
|
|
* INTERNAL: Inits and opens an entry from a data DLL.
|
|
* CAUTION: resbMutex must be locked when calling this function.
|
|
*/
|
|
static UResourceDataEntry *init_entry(const char *localeID, const char *path, UErrorCode *status) {
|
|
UResourceDataEntry *r = nullptr;
|
|
UResourceDataEntry find;
|
|
/*int32_t hashValue;*/
|
|
const char *name;
|
|
char aliasName[100] = { 0 };
|
|
int32_t aliasLen = 0;
|
|
/*UBool isAlias = false;*/
|
|
/*UHashTok hashkey; */
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
|
|
/* here we try to deduce the right locale name */
|
|
if(localeID == nullptr) { /* if localeID is nullptr, we're trying to open default locale */
|
|
name = uloc_getDefault();
|
|
} else if(*localeID == 0) { /* if localeID is "" then we try to open root locale */
|
|
name = kRootLocaleName;
|
|
} else { /* otherwise, we'll open what we're given */
|
|
name = localeID;
|
|
}
|
|
|
|
find.fName = (char *)name;
|
|
find.fPath = (char *)path;
|
|
|
|
/* calculate the hash value of the entry */
|
|
/*hashkey.pointer = (void *)&find;*/
|
|
/*hashValue = hashEntry(hashkey);*/
|
|
|
|
/* check to see if we already have this entry */
|
|
r = (UResourceDataEntry *)uhash_get(cache, &find);
|
|
if(r == nullptr) {
|
|
/* if the entry is not yet in the hash table, we'll try to construct a new one */
|
|
r = (UResourceDataEntry *) uprv_malloc(sizeof(UResourceDataEntry));
|
|
if(r == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
|
|
uprv_memset(r, 0, sizeof(UResourceDataEntry));
|
|
/*r->fHashKey = hashValue;*/
|
|
|
|
setEntryName(r, name, status);
|
|
if (U_FAILURE(*status)) {
|
|
uprv_free(r);
|
|
return nullptr;
|
|
}
|
|
|
|
if(path != nullptr) {
|
|
r->fPath = (char *)uprv_strdup(path);
|
|
if(r->fPath == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
uprv_free(r);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
/* this is the actual loading */
|
|
res_load(&(r->fData), r->fPath, r->fName, status);
|
|
|
|
if (U_FAILURE(*status)) {
|
|
/* if we failed to load due to an out-of-memory error, exit early. */
|
|
if (*status == U_MEMORY_ALLOCATION_ERROR) {
|
|
uprv_free(r);
|
|
return nullptr;
|
|
}
|
|
/* we have no such entry in dll, so it will always use fallback */
|
|
*status = U_USING_FALLBACK_WARNING;
|
|
r->fBogus = U_USING_FALLBACK_WARNING;
|
|
} else { /* if we have a regular entry */
|
|
Resource aliasres;
|
|
if (r->fData.usesPoolBundle) {
|
|
r->fPool = getPoolEntry(r->fPath, status);
|
|
if (U_SUCCESS(*status)) {
|
|
const int32_t *poolIndexes = r->fPool->fData.pRoot + 1;
|
|
if(r->fData.pRoot[1 + URES_INDEX_POOL_CHECKSUM] == poolIndexes[URES_INDEX_POOL_CHECKSUM]) {
|
|
r->fData.poolBundleKeys = (const char *)(poolIndexes + (poolIndexes[URES_INDEX_LENGTH] & 0xff));
|
|
r->fData.poolBundleStrings = r->fPool->fData.p16BitUnits;
|
|
} else {
|
|
r->fBogus = *status = U_INVALID_FORMAT_ERROR;
|
|
}
|
|
} else {
|
|
r->fBogus = *status;
|
|
}
|
|
}
|
|
if (U_SUCCESS(*status)) {
|
|
/* handle the alias by trying to get out the %%Alias tag.*/
|
|
/* We'll try to get alias string from the bundle */
|
|
aliasres = res_getResource(&(r->fData), "%%ALIAS");
|
|
if (aliasres != RES_BOGUS) {
|
|
// No tracing: called during initial data loading
|
|
const char16_t *alias = res_getStringNoTrace(&(r->fData), aliasres, &aliasLen);
|
|
if(alias != nullptr && aliasLen > 0) { /* if there is actual alias - unload and load new data */
|
|
u_UCharsToChars(alias, aliasName, aliasLen+1);
|
|
r->fAlias = init_entry(aliasName, path, status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
UResourceDataEntry *oldR = nullptr;
|
|
if((oldR = (UResourceDataEntry *)uhash_get(cache, r)) == nullptr) { /* if the data is not cached */
|
|
/* just insert it in the cache */
|
|
UErrorCode cacheStatus = U_ZERO_ERROR;
|
|
uhash_put(cache, (void *)r, r, &cacheStatus);
|
|
if (U_FAILURE(cacheStatus)) {
|
|
*status = cacheStatus;
|
|
free_entry(r);
|
|
r = nullptr;
|
|
}
|
|
} else {
|
|
/* somebody have already inserted it while we were working, discard newly opened data */
|
|
/* Also, we could get here IF we opened an alias */
|
|
free_entry(r);
|
|
r = oldR;
|
|
}
|
|
}
|
|
|
|
}
|
|
if(r != nullptr) {
|
|
/* return the real bundle */
|
|
while(r->fAlias != nullptr) {
|
|
r = r->fAlias;
|
|
}
|
|
r->fCountExisting++; /* we increase its reference count */
|
|
/* if the resource has a warning */
|
|
/* we don't want to overwrite a status with no error */
|
|
if(r->fBogus != U_ZERO_ERROR && U_SUCCESS(*status)) {
|
|
*status = r->fBogus; /* set the returning status */
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
static UResourceDataEntry *
|
|
getPoolEntry(const char *path, UErrorCode *status) {
|
|
UResourceDataEntry *poolBundle = init_entry(kPoolBundleName, path, status);
|
|
if( U_SUCCESS(*status) &&
|
|
(poolBundle == nullptr || poolBundle->fBogus != U_ZERO_ERROR || !poolBundle->fData.isPoolBundle)
|
|
) {
|
|
*status = U_INVALID_FORMAT_ERROR;
|
|
}
|
|
return poolBundle;
|
|
}
|
|
|
|
/* INTERNAL: */
|
|
/* CAUTION: resbMutex must be locked when calling this function! */
|
|
static UResourceDataEntry *
|
|
findFirstExisting(const char* path, char* name, const char* defaultLocale, UResOpenType openType,
|
|
UBool *isRoot, UBool *foundParent, UBool *isDefault, UErrorCode* status) {
|
|
UResourceDataEntry *r = nullptr;
|
|
UBool hasRealData = false;
|
|
*foundParent = true; /* we're starting with a fresh name */
|
|
char origName[ULOC_FULLNAME_CAPACITY];
|
|
|
|
uprv_strcpy(origName, name);
|
|
while(*foundParent && !hasRealData) {
|
|
r = init_entry(name, path, status);
|
|
/* Null pointer test */
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
*isDefault = (UBool)(uprv_strncmp(name, defaultLocale, uprv_strlen(name)) == 0);
|
|
hasRealData = (UBool)(r->fBogus == U_ZERO_ERROR);
|
|
if(!hasRealData) {
|
|
/* this entry is not real. We will discard it. */
|
|
/* However, the parent line for this entry is */
|
|
/* not to be used - as there might be parent */
|
|
/* lines in cache from previous openings that */
|
|
/* are not updated yet. */
|
|
r->fCountExisting--;
|
|
/*entryCloseInt(r);*/
|
|
r = nullptr;
|
|
*status = U_USING_FALLBACK_WARNING;
|
|
} else {
|
|
uprv_strcpy(name, r->fName); /* this is needed for supporting aliases */
|
|
}
|
|
|
|
*isRoot = (UBool)(uprv_strcmp(name, kRootLocaleName) == 0);
|
|
|
|
/*Fallback data stuff*/
|
|
if (!hasRealData) {
|
|
*foundParent = getParentLocaleID(name, origName, openType);
|
|
} else {
|
|
// we've already found a real resource file; what we return to the caller is the parent
|
|
// locale ID for inheritance, which should come from chopLocale(), not getParentLocaleID()
|
|
*foundParent = chopLocale(name);
|
|
}
|
|
if (*foundParent && *name == '\0') {
|
|
uprv_strcpy(name, "und");
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
static void ures_setIsStackObject( UResourceBundle* resB, UBool state) {
|
|
if(state) {
|
|
resB->fMagic1 = 0;
|
|
resB->fMagic2 = 0;
|
|
} else {
|
|
resB->fMagic1 = MAGIC1;
|
|
resB->fMagic2 = MAGIC2;
|
|
}
|
|
}
|
|
|
|
static UBool ures_isStackObject(const UResourceBundle* resB) {
|
|
return((resB->fMagic1 == MAGIC1 && resB->fMagic2 == MAGIC2)?false:true);
|
|
}
|
|
|
|
|
|
U_CFUNC void ures_initStackObject(UResourceBundle* resB) {
|
|
uprv_memset(resB, 0, sizeof(UResourceBundle));
|
|
ures_setIsStackObject(resB, true);
|
|
}
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
StackUResourceBundle::StackUResourceBundle() {
|
|
ures_initStackObject(&bundle);
|
|
}
|
|
|
|
StackUResourceBundle::~StackUResourceBundle() {
|
|
ures_close(&bundle);
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
static UBool // returns U_SUCCESS(*status)
|
|
loadParentsExceptRoot(UResourceDataEntry *&t1,
|
|
char name[], int32_t nameCapacity,
|
|
UBool usingUSRData, char usrDataPath[], UErrorCode *status) {
|
|
if (U_FAILURE(*status)) { return false; }
|
|
UBool checkParent = true;
|
|
while (checkParent && t1->fParent == nullptr && !t1->fData.noFallback &&
|
|
res_getResource(&t1->fData,"%%ParentIsRoot") == RES_BOGUS) {
|
|
Resource parentRes = res_getResource(&t1->fData, "%%Parent");
|
|
if (parentRes != RES_BOGUS) { // An explicit parent was found.
|
|
int32_t parentLocaleLen = 0;
|
|
// No tracing: called during initial data loading
|
|
const char16_t *parentLocaleName = res_getStringNoTrace(&(t1->fData), parentRes, &parentLocaleLen);
|
|
if(parentLocaleName != nullptr && 0 < parentLocaleLen && parentLocaleLen < nameCapacity) {
|
|
u_UCharsToChars(parentLocaleName, name, parentLocaleLen + 1);
|
|
if (uprv_strcmp(name, kRootLocaleName) == 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
// Insert regular parents.
|
|
UErrorCode parentStatus = U_ZERO_ERROR;
|
|
UResourceDataEntry *t2 = init_entry(name, t1->fPath, &parentStatus);
|
|
if (U_FAILURE(parentStatus)) {
|
|
*status = parentStatus;
|
|
return false;
|
|
}
|
|
UResourceDataEntry *u2 = nullptr;
|
|
UErrorCode usrStatus = U_ZERO_ERROR;
|
|
if (usingUSRData) { // This code inserts user override data into the inheritance chain.
|
|
u2 = init_entry(name, usrDataPath, &usrStatus);
|
|
// If we failed due to out-of-memory, report that to the caller and exit early.
|
|
if (usrStatus == U_MEMORY_ALLOCATION_ERROR) {
|
|
*status = usrStatus;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (usingUSRData && U_SUCCESS(usrStatus) && u2->fBogus == U_ZERO_ERROR) {
|
|
t1->fParent = u2;
|
|
u2->fParent = t2;
|
|
} else {
|
|
t1->fParent = t2;
|
|
if (usingUSRData) {
|
|
// The USR override data wasn't found, set it to be deleted.
|
|
u2->fCountExisting = 0;
|
|
}
|
|
}
|
|
t1 = t2;
|
|
checkParent = chopLocale(name) || mayHaveParent(name);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static UBool // returns U_SUCCESS(*status)
|
|
insertRootBundle(UResourceDataEntry *&t1, UErrorCode *status) {
|
|
if (U_FAILURE(*status)) { return false; }
|
|
UErrorCode parentStatus = U_ZERO_ERROR;
|
|
UResourceDataEntry *t2 = init_entry(kRootLocaleName, t1->fPath, &parentStatus);
|
|
if (U_FAILURE(parentStatus)) {
|
|
*status = parentStatus;
|
|
return false;
|
|
}
|
|
t1->fParent = t2;
|
|
t1 = t2;
|
|
return true;
|
|
}
|
|
|
|
static UResourceDataEntry *entryOpen(const char* path, const char* localeID,
|
|
UResOpenType openType, UErrorCode* status) {
|
|
U_ASSERT(openType != URES_OPEN_DIRECT);
|
|
UErrorCode intStatus = U_ZERO_ERROR;
|
|
UResourceDataEntry *r = nullptr;
|
|
UResourceDataEntry *t1 = nullptr;
|
|
UBool isDefault = false;
|
|
UBool isRoot = false;
|
|
UBool hasRealData = false;
|
|
UBool hasChopped = true;
|
|
UBool usingUSRData = U_USE_USRDATA && ( path == nullptr || uprv_strncmp(path,U_ICUDATA_NAME,8) == 0);
|
|
|
|
char name[ULOC_FULLNAME_CAPACITY];
|
|
char usrDataPath[96];
|
|
|
|
initCache(status);
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
|
|
uprv_strncpy(name, localeID, sizeof(name) - 1);
|
|
name[sizeof(name) - 1] = 0;
|
|
|
|
if ( usingUSRData ) {
|
|
if ( path == nullptr ) {
|
|
uprv_strcpy(usrDataPath, U_USRDATA_NAME);
|
|
} else {
|
|
uprv_strncpy(usrDataPath, path, sizeof(usrDataPath) - 1);
|
|
usrDataPath[0] = 'u';
|
|
usrDataPath[1] = 's';
|
|
usrDataPath[2] = 'r';
|
|
usrDataPath[sizeof(usrDataPath) - 1] = 0;
|
|
}
|
|
}
|
|
|
|
// Note: We need to query the default locale *before* locking resbMutex.
|
|
const char *defaultLocale = uloc_getDefault();
|
|
|
|
Mutex lock(&resbMutex); // Lock resbMutex until the end of this function.
|
|
|
|
/* We're going to skip all the locales that do not have any data */
|
|
r = findFirstExisting(path, name, defaultLocale, openType, &isRoot, &hasChopped, &isDefault, &intStatus);
|
|
|
|
// If we failed due to out-of-memory, report the failure and exit early.
|
|
if (intStatus == U_MEMORY_ALLOCATION_ERROR) {
|
|
*status = intStatus;
|
|
goto finish;
|
|
}
|
|
|
|
if(r != nullptr) { /* if there is one real locale, we can look for parents. */
|
|
t1 = r;
|
|
hasRealData = true;
|
|
if ( usingUSRData ) { /* This code inserts user override data into the inheritance chain */
|
|
UErrorCode usrStatus = U_ZERO_ERROR;
|
|
UResourceDataEntry *u1 = init_entry(t1->fName, usrDataPath, &usrStatus);
|
|
// If we failed due to out-of-memory, report the failure and exit early.
|
|
if (intStatus == U_MEMORY_ALLOCATION_ERROR) {
|
|
*status = intStatus;
|
|
goto finish;
|
|
}
|
|
if ( u1 != nullptr ) {
|
|
if(u1->fBogus == U_ZERO_ERROR) {
|
|
u1->fParent = t1;
|
|
r = u1;
|
|
} else {
|
|
/* the USR override data wasn't found, set it to be deleted */
|
|
u1->fCountExisting = 0;
|
|
}
|
|
}
|
|
}
|
|
if ((hasChopped || mayHaveParent(name)) && !isRoot) {
|
|
if (!loadParentsExceptRoot(t1, name, UPRV_LENGTHOF(name), usingUSRData, usrDataPath, status)) {
|
|
goto finish;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* we could have reached this point without having any real data */
|
|
/* if that is the case, we need to chain in the default locale */
|
|
if(r==nullptr && openType == URES_OPEN_LOCALE_DEFAULT_ROOT && !isDefault && !isRoot) {
|
|
/* insert default locale */
|
|
uprv_strcpy(name, defaultLocale);
|
|
r = findFirstExisting(path, name, defaultLocale, openType, &isRoot, &hasChopped, &isDefault, &intStatus);
|
|
// If we failed due to out-of-memory, report the failure and exit early.
|
|
if (intStatus == U_MEMORY_ALLOCATION_ERROR) {
|
|
*status = intStatus;
|
|
goto finish;
|
|
}
|
|
intStatus = U_USING_DEFAULT_WARNING;
|
|
if(r != nullptr) { /* the default locale exists */
|
|
t1 = r;
|
|
hasRealData = true;
|
|
isDefault = true;
|
|
// TODO: Why not if (usingUSRData) { ... } like in the non-default-locale code path?
|
|
if ((hasChopped || mayHaveParent(name)) && !isRoot) {
|
|
if (!loadParentsExceptRoot(t1, name, UPRV_LENGTHOF(name), usingUSRData, usrDataPath, status)) {
|
|
goto finish;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* we could still have r == nullptr at this point - maybe even default locale is not */
|
|
/* present */
|
|
if(r == nullptr) {
|
|
uprv_strcpy(name, kRootLocaleName);
|
|
r = findFirstExisting(path, name, defaultLocale, openType, &isRoot, &hasChopped, &isDefault, &intStatus);
|
|
// If we failed due to out-of-memory, report the failure and exit early.
|
|
if (intStatus == U_MEMORY_ALLOCATION_ERROR) {
|
|
*status = intStatus;
|
|
goto finish;
|
|
}
|
|
if(r != nullptr) {
|
|
t1 = r;
|
|
intStatus = U_USING_DEFAULT_WARNING;
|
|
hasRealData = true;
|
|
} else { /* we don't even have the root locale */
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
goto finish;
|
|
}
|
|
} else if(!isRoot && uprv_strcmp(t1->fName, kRootLocaleName) != 0 &&
|
|
t1->fParent == nullptr && !r->fData.noFallback) {
|
|
if (!insertRootBundle(t1, status)) {
|
|
goto finish;
|
|
}
|
|
if(!hasRealData) {
|
|
r->fBogus = U_USING_DEFAULT_WARNING;
|
|
}
|
|
}
|
|
|
|
// TODO: Does this ever loop?
|
|
while(r != nullptr && !isRoot && t1->fParent != nullptr) {
|
|
t1->fParent->fCountExisting++;
|
|
t1 = t1->fParent;
|
|
}
|
|
|
|
finish:
|
|
if(U_SUCCESS(*status)) {
|
|
if(intStatus != U_ZERO_ERROR) {
|
|
*status = intStatus;
|
|
}
|
|
return r;
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Version of entryOpen() and findFirstExisting() for ures_openDirect(),
|
|
* with no fallbacks.
|
|
* Parent and root locale bundles are loaded if
|
|
* the requested bundle does not have the "nofallback" flag.
|
|
*/
|
|
static UResourceDataEntry *
|
|
entryOpenDirect(const char* path, const char* localeID, UErrorCode* status) {
|
|
initCache(status);
|
|
if(U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Note: We need to query the default locale *before* locking resbMutex.
|
|
// If the localeID is nullptr, then we want to use the default locale.
|
|
if (localeID == nullptr) {
|
|
localeID = uloc_getDefault();
|
|
} else if (*localeID == 0) {
|
|
// If the localeID is "", then we want to use the root locale.
|
|
localeID = kRootLocaleName;
|
|
}
|
|
|
|
Mutex lock(&resbMutex);
|
|
|
|
// findFirstExisting() without fallbacks.
|
|
UResourceDataEntry *r = init_entry(localeID, path, status);
|
|
if(U_SUCCESS(*status)) {
|
|
if(r->fBogus != U_ZERO_ERROR) {
|
|
r->fCountExisting--;
|
|
r = nullptr;
|
|
}
|
|
} else {
|
|
r = nullptr;
|
|
}
|
|
|
|
// Some code depends on the ures_openDirect() bundle to have a parent bundle chain,
|
|
// unless it is marked with "nofallback".
|
|
UResourceDataEntry *t1 = r;
|
|
if(r != nullptr && uprv_strcmp(localeID, kRootLocaleName) != 0 && // not root
|
|
r->fParent == nullptr && !r->fData.noFallback &&
|
|
uprv_strlen(localeID) < ULOC_FULLNAME_CAPACITY) {
|
|
char name[ULOC_FULLNAME_CAPACITY];
|
|
uprv_strcpy(name, localeID);
|
|
if(!chopLocale(name) || uprv_strcmp(name, kRootLocaleName) == 0 ||
|
|
loadParentsExceptRoot(t1, name, UPRV_LENGTHOF(name), false, nullptr, status)) {
|
|
if(uprv_strcmp(t1->fName, kRootLocaleName) != 0 && t1->fParent == nullptr) {
|
|
insertRootBundle(t1, status);
|
|
}
|
|
}
|
|
if(U_FAILURE(*status)) {
|
|
r = nullptr;
|
|
}
|
|
}
|
|
|
|
if(r != nullptr) {
|
|
// TODO: Does this ever loop?
|
|
while(t1->fParent != nullptr) {
|
|
t1->fParent->fCountExisting++;
|
|
t1 = t1->fParent;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* Functions to create and destroy resource bundles.
|
|
* CAUTION: resbMutex must be locked when calling this function.
|
|
*/
|
|
/* INTERNAL: */
|
|
static void entryCloseInt(UResourceDataEntry *resB) {
|
|
UResourceDataEntry *p = resB;
|
|
|
|
while(resB != nullptr) {
|
|
p = resB->fParent;
|
|
resB->fCountExisting--;
|
|
|
|
/* Entries are left in the cache. TODO: add ures_flushCache() to force a flush
|
|
of the cache. */
|
|
/*
|
|
if(resB->fCountExisting <= 0) {
|
|
uhash_remove(cache, resB);
|
|
if(resB->fBogus == U_ZERO_ERROR) {
|
|
res_unload(&(resB->fData));
|
|
}
|
|
if(resB->fName != nullptr) {
|
|
uprv_free(resB->fName);
|
|
}
|
|
if(resB->fPath != nullptr) {
|
|
uprv_free(resB->fPath);
|
|
}
|
|
uprv_free(resB);
|
|
}
|
|
*/
|
|
|
|
resB = p;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* API: closes a resource bundle and cleans up.
|
|
*/
|
|
|
|
static void entryClose(UResourceDataEntry *resB) {
|
|
Mutex lock(&resbMutex);
|
|
entryCloseInt(resB);
|
|
}
|
|
|
|
/*
|
|
U_CFUNC void ures_setResPath(UResourceBundle *resB, const char* toAdd) {
|
|
if(resB->fResPath == nullptr) {
|
|
resB->fResPath = resB->fResBuf;
|
|
*(resB->fResPath) = 0;
|
|
}
|
|
resB->fResPathLen = uprv_strlen(toAdd);
|
|
if(RES_BUFSIZE <= resB->fResPathLen+1) {
|
|
if(resB->fResPath == resB->fResBuf) {
|
|
resB->fResPath = (char *)uprv_malloc((resB->fResPathLen+1)*sizeof(char));
|
|
} else {
|
|
resB->fResPath = (char *)uprv_realloc(resB->fResPath, (resB->fResPathLen+1)*sizeof(char));
|
|
}
|
|
}
|
|
uprv_strcpy(resB->fResPath, toAdd);
|
|
}
|
|
*/
|
|
static void ures_appendResPath(UResourceBundle *resB, const char* toAdd, int32_t lenToAdd, UErrorCode *status) {
|
|
int32_t resPathLenOrig = resB->fResPathLen;
|
|
if(resB->fResPath == nullptr) {
|
|
resB->fResPath = resB->fResBuf;
|
|
*(resB->fResPath) = 0;
|
|
resB->fResPathLen = 0;
|
|
}
|
|
resB->fResPathLen += lenToAdd;
|
|
if(RES_BUFSIZE <= resB->fResPathLen+1) {
|
|
if(resB->fResPath == resB->fResBuf) {
|
|
resB->fResPath = (char *)uprv_malloc((resB->fResPathLen+1)*sizeof(char));
|
|
/* Check that memory was allocated correctly. */
|
|
if (resB->fResPath == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return;
|
|
}
|
|
uprv_strcpy(resB->fResPath, resB->fResBuf);
|
|
} else {
|
|
char *temp = (char *)uprv_realloc(resB->fResPath, (resB->fResPathLen+1)*sizeof(char));
|
|
/* Check that memory was reallocated correctly. */
|
|
if (temp == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return;
|
|
}
|
|
resB->fResPath = temp;
|
|
}
|
|
}
|
|
uprv_strcpy(resB->fResPath + resPathLenOrig, toAdd);
|
|
}
|
|
|
|
static void ures_freeResPath(UResourceBundle *resB) {
|
|
if (resB->fResPath && resB->fResPath != resB->fResBuf) {
|
|
uprv_free(resB->fResPath);
|
|
}
|
|
resB->fResPath = nullptr;
|
|
resB->fResPathLen = 0;
|
|
}
|
|
|
|
static void
|
|
ures_closeBundle(UResourceBundle* resB, UBool freeBundleObj)
|
|
{
|
|
if(resB != nullptr) {
|
|
if(resB->fData != nullptr) {
|
|
entryClose(resB->fData);
|
|
}
|
|
if(resB->fVersion != nullptr) {
|
|
uprv_free(resB->fVersion);
|
|
}
|
|
ures_freeResPath(resB);
|
|
|
|
if(ures_isStackObject(resB) == false && freeBundleObj) {
|
|
uprv_free(resB);
|
|
}
|
|
#if 0 /*U_DEBUG*/
|
|
else {
|
|
/* poison the data */
|
|
uprv_memset(resB, -1, sizeof(UResourceBundle));
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ures_close(UResourceBundle* resB)
|
|
{
|
|
ures_closeBundle(resB, true);
|
|
}
|
|
|
|
namespace {
|
|
|
|
UResourceBundle *init_resb_result(
|
|
UResourceDataEntry *dataEntry, Resource r, const char *key, int32_t idx,
|
|
UResourceDataEntry *validLocaleDataEntry, const char *containerResPath,
|
|
int32_t recursionDepth,
|
|
UResourceBundle *resB, UErrorCode *status);
|
|
|
|
// TODO: Try to refactor further, so that we output a dataEntry + Resource + (optionally) resPath,
|
|
// rather than a UResourceBundle.
|
|
// May need to entryIncrease() the resulting dataEntry.
|
|
UResourceBundle *getAliasTargetAsResourceBundle(
|
|
const ResourceData &resData, Resource r, const char *key, int32_t idx,
|
|
UResourceDataEntry *validLocaleDataEntry, const char *containerResPath,
|
|
int32_t recursionDepth,
|
|
UResourceBundle *resB, UErrorCode *status) {
|
|
// TODO: When an error occurs: Should we return nullptr vs. resB?
|
|
if (U_FAILURE(*status)) { return resB; }
|
|
U_ASSERT(RES_GET_TYPE(r) == URES_ALIAS);
|
|
int32_t len = 0;
|
|
const char16_t *alias = res_getAlias(&resData, r, &len);
|
|
if(len <= 0) {
|
|
// bad alias
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return resB;
|
|
}
|
|
|
|
// Copy the UTF-16 alias string into an invariant-character string.
|
|
//
|
|
// We do this so that res_findResource() can modify the path,
|
|
// which allows us to remove redundant _res_findResource() variants
|
|
// in uresdata.c.
|
|
// res_findResource() now NUL-terminates each segment so that table keys
|
|
// can always be compared with strcmp() instead of strncmp().
|
|
// Saves code there and simplifies testing and code coverage.
|
|
//
|
|
// markus 2003oct17
|
|
CharString chAlias;
|
|
chAlias.appendInvariantChars(alias, len, *status);
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
|
|
// We have an alias, now let's cut it up.
|
|
const char *path = nullptr, *locale = nullptr, *keyPath = nullptr;
|
|
if(chAlias[0] == RES_PATH_SEPARATOR) {
|
|
// There is a path included.
|
|
char *chAliasData = chAlias.data();
|
|
char *sep = chAliasData + 1;
|
|
path = sep;
|
|
sep = uprv_strchr(sep, RES_PATH_SEPARATOR);
|
|
if(sep != nullptr) {
|
|
*sep++ = 0;
|
|
}
|
|
if(uprv_strcmp(path, "LOCALE") == 0) {
|
|
// This is an XPath alias, starting with "/LOCALE/".
|
|
// It contains the path to a resource which should be looked up
|
|
// starting in the valid locale.
|
|
// TODO: Can/should we forbid a /LOCALE alias without key path?
|
|
// It seems weird to alias to the same path, just starting from the valid locale.
|
|
// That will often yield an infinite loop.
|
|
keyPath = sep;
|
|
// Read from the valid locale which we already have.
|
|
path = locale = nullptr;
|
|
} else {
|
|
if(uprv_strcmp(path, "ICUDATA") == 0) { /* want ICU data */
|
|
path = nullptr;
|
|
}
|
|
if (sep == nullptr) {
|
|
// TODO: This ends up using the root bundle. Can/should we forbid this?
|
|
locale = "";
|
|
} else {
|
|
locale = sep;
|
|
sep = uprv_strchr(sep, RES_PATH_SEPARATOR);
|
|
if(sep != nullptr) {
|
|
*sep++ = 0;
|
|
}
|
|
keyPath = sep;
|
|
}
|
|
}
|
|
} else {
|
|
// No path, start with a locale.
|
|
char *sep = chAlias.data();
|
|
locale = sep;
|
|
sep = uprv_strchr(sep, RES_PATH_SEPARATOR);
|
|
if(sep != nullptr) {
|
|
*sep++ = 0;
|
|
}
|
|
keyPath = sep;
|
|
path = validLocaleDataEntry->fPath;
|
|
}
|
|
|
|
// Got almost everything, let's try to open.
|
|
// First, open the bundle with real data.
|
|
LocalUResourceBundlePointer mainRes;
|
|
UResourceDataEntry *dataEntry;
|
|
if (locale == nullptr) {
|
|
// alias = /LOCALE/keyPath
|
|
// Read from the valid locale which we already have.
|
|
dataEntry = validLocaleDataEntry;
|
|
} else {
|
|
UErrorCode intStatus = U_ZERO_ERROR;
|
|
// TODO: Shouldn't we use ures_open() for locale data bundles (!noFallback)?
|
|
mainRes.adoptInstead(ures_openDirect(path, locale, &intStatus));
|
|
if(U_FAILURE(intStatus)) {
|
|
// We failed to open the resource bundle we're aliasing to.
|
|
*status = intStatus;
|
|
return resB;
|
|
}
|
|
dataEntry = mainRes->fData;
|
|
}
|
|
|
|
const char* temp = nullptr;
|
|
if(keyPath == nullptr) {
|
|
// No key path. This means that we are going to to use the corresponding resource from
|
|
// another bundle.
|
|
// TODO: Why the special code path?
|
|
// Why not put together a key path from containerResPath + key or idx,
|
|
// as a comment below suggests, and go into the regular code branch?
|
|
// First, we are going to get a corresponding container
|
|
// resource to the one we are searching.
|
|
r = dataEntry->fData.rootRes;
|
|
if(containerResPath) {
|
|
chAlias.clear().append(containerResPath, *status);
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
char *aKey = chAlias.data();
|
|
// TODO: should res_findResource() return a new dataEntry, too?
|
|
r = res_findResource(&dataEntry->fData, r, &aKey, &temp);
|
|
}
|
|
if(key) {
|
|
// We need to make keyPath from the containerResPath and
|
|
// current key, if there is a key associated.
|
|
chAlias.clear().append(key, *status);
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
char *aKey = chAlias.data();
|
|
r = res_findResource(&dataEntry->fData, r, &aKey, &temp);
|
|
} else if(idx != -1) {
|
|
// If there is no key, but there is an index, try to get by the index.
|
|
// Here we have either a table or an array, so get the element.
|
|
int32_t type = RES_GET_TYPE(r);
|
|
if(URES_IS_TABLE(type)) {
|
|
const char *aKey;
|
|
r = res_getTableItemByIndex(&dataEntry->fData, r, idx, &aKey);
|
|
} else { /* array */
|
|
r = res_getArrayItem(&dataEntry->fData, r, idx);
|
|
}
|
|
}
|
|
if(r != RES_BOGUS) {
|
|
resB = init_resb_result(
|
|
dataEntry, r, temp, -1, validLocaleDataEntry, nullptr, recursionDepth+1,
|
|
resB, status);
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
// This one is a bit trickier.
|
|
// We start finding keys, but after we resolve one alias, the path might continue.
|
|
// Consider:
|
|
// aliastest:alias { "testtypes/anotheralias/Sequence" }
|
|
// anotheralias:alias { "/ICUDATA/sh/CollationElements" }
|
|
// aliastest resource should finally have the sequence, not collation elements.
|
|
CharString pathBuf(keyPath, *status);
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
char *myPath = pathBuf.data();
|
|
containerResPath = nullptr;
|
|
// Now we have fallback following here.
|
|
for(;;) {
|
|
r = dataEntry->fData.rootRes;
|
|
// TODO: Move containerResPath = nullptr to here,
|
|
// consistent with restarting from the rootRes of another bundle?!
|
|
|
|
// This loop handles 'found' resources over several levels.
|
|
while(*myPath && U_SUCCESS(*status)) {
|
|
r = res_findResource(&(dataEntry->fData), r, &myPath, &temp);
|
|
if(r == RES_BOGUS) {
|
|
// No resource found, we don't really want to look anymore on this level.
|
|
break;
|
|
}
|
|
// Found a resource, but it might be an indirection.
|
|
resB = init_resb_result(
|
|
dataEntry, r, temp, -1,
|
|
validLocaleDataEntry, containerResPath, recursionDepth+1,
|
|
resB, status);
|
|
if (U_FAILURE(*status)) {
|
|
break;
|
|
}
|
|
if (temp == nullptr || uprv_strcmp(keyPath, temp) != 0) {
|
|
// The call to init_resb_result() above will set resB->fKeyPath to be
|
|
// the same as resB->fKey,
|
|
// throwing away any additional path elements if we had them --
|
|
// if the key path wasn't just a single resource ID, clear out
|
|
// the bundle's key path and re-set it to be equal to keyPath.
|
|
ures_freeResPath(resB);
|
|
ures_appendResPath(resB, keyPath, (int32_t)uprv_strlen(keyPath), status);
|
|
if(resB->fResPath[resB->fResPathLen-1] != RES_PATH_SEPARATOR) {
|
|
ures_appendResPath(resB, RES_PATH_SEPARATOR_S, 1, status);
|
|
}
|
|
if (U_FAILURE(*status)) {
|
|
break;
|
|
}
|
|
}
|
|
r = resB->fRes; /* switch to a new resource, possibly a new tree */
|
|
dataEntry = resB->fData;
|
|
containerResPath = resB->fResPath;
|
|
}
|
|
if (U_FAILURE(*status) || r != RES_BOGUS) {
|
|
break;
|
|
}
|
|
// Fall back to the parent bundle, if there is one.
|
|
dataEntry = dataEntry->fParent;
|
|
if (dataEntry == nullptr) {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
break;
|
|
}
|
|
// Copy the same keyPath again.
|
|
myPath = pathBuf.data();
|
|
uprv_strcpy(myPath, keyPath);
|
|
}
|
|
}
|
|
if(mainRes.getAlias() == resB) {
|
|
mainRes.orphan();
|
|
}
|
|
ResourceTracer(resB).maybeTrace("getalias");
|
|
return resB;
|
|
}
|
|
|
|
// Recursive function, should be called only by itself, by its simpler wrapper,
|
|
// or by getAliasTargetAsResourceBundle().
|
|
UResourceBundle *init_resb_result(
|
|
UResourceDataEntry *dataEntry, Resource r, const char *key, int32_t idx,
|
|
UResourceDataEntry *validLocaleDataEntry, const char *containerResPath,
|
|
int32_t recursionDepth,
|
|
UResourceBundle *resB, UErrorCode *status) {
|
|
// TODO: When an error occurs: Should we return nullptr vs. resB?
|
|
if(status == nullptr || U_FAILURE(*status)) {
|
|
return resB;
|
|
}
|
|
if (validLocaleDataEntry == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
if(RES_GET_TYPE(r) == URES_ALIAS) {
|
|
// This is an alias, need to exchange with real data.
|
|
if(recursionDepth >= URES_MAX_ALIAS_LEVEL) {
|
|
*status = U_TOO_MANY_ALIASES_ERROR;
|
|
return resB;
|
|
}
|
|
return getAliasTargetAsResourceBundle(
|
|
dataEntry->fData, r, key, idx,
|
|
validLocaleDataEntry, containerResPath, recursionDepth, resB, status);
|
|
}
|
|
if(resB == nullptr) {
|
|
resB = (UResourceBundle *)uprv_malloc(sizeof(UResourceBundle));
|
|
if (resB == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
ures_setIsStackObject(resB, false);
|
|
resB->fResPath = nullptr;
|
|
resB->fResPathLen = 0;
|
|
} else {
|
|
if(resB->fData != nullptr) {
|
|
entryClose(resB->fData);
|
|
}
|
|
if(resB->fVersion != nullptr) {
|
|
uprv_free(resB->fVersion);
|
|
}
|
|
/*
|
|
weiv: if stack object was passed in, it doesn't really need to be reinited,
|
|
since the purpose of initing is to remove stack junk. However, at this point
|
|
we would not do anything to an allocated object, so stack object should be
|
|
treated the same
|
|
*/
|
|
/*
|
|
if(ures_isStackObject(resB) != false) {
|
|
ures_initStackObject(resB);
|
|
}
|
|
*/
|
|
if(containerResPath != resB->fResPath) {
|
|
ures_freeResPath(resB);
|
|
}
|
|
}
|
|
resB->fData = dataEntry;
|
|
entryIncrease(resB->fData);
|
|
resB->fHasFallback = false;
|
|
resB->fIsTopLevel = false;
|
|
resB->fIndex = -1;
|
|
resB->fKey = key;
|
|
resB->fValidLocaleDataEntry = validLocaleDataEntry;
|
|
if(containerResPath != resB->fResPath) {
|
|
ures_appendResPath(
|
|
resB, containerResPath, static_cast<int32_t>(uprv_strlen(containerResPath)), status);
|
|
}
|
|
if(key != nullptr) {
|
|
ures_appendResPath(resB, key, (int32_t)uprv_strlen(key), status);
|
|
if(resB->fResPath[resB->fResPathLen-1] != RES_PATH_SEPARATOR) {
|
|
ures_appendResPath(resB, RES_PATH_SEPARATOR_S, 1, status);
|
|
}
|
|
} else if(idx >= 0) {
|
|
char buf[256];
|
|
int32_t len = T_CString_integerToString(buf, idx, 10);
|
|
ures_appendResPath(resB, buf, len, status);
|
|
if(resB->fResPath[resB->fResPathLen-1] != RES_PATH_SEPARATOR) {
|
|
ures_appendResPath(resB, RES_PATH_SEPARATOR_S, 1, status);
|
|
}
|
|
}
|
|
/* Make sure that Purify doesn't complain about uninitialized memory copies. */
|
|
{
|
|
int32_t usedLen = ((resB->fResBuf == resB->fResPath) ? resB->fResPathLen : 0);
|
|
uprv_memset(resB->fResBuf + usedLen, 0, sizeof(resB->fResBuf) - usedLen);
|
|
}
|
|
|
|
resB->fVersion = nullptr;
|
|
resB->fRes = r;
|
|
resB->fSize = res_countArrayItems(&resB->getResData(), resB->fRes);
|
|
ResourceTracer(resB).trace("get");
|
|
return resB;
|
|
}
|
|
|
|
UResourceBundle *init_resb_result(
|
|
UResourceDataEntry *dataEntry, Resource r, const char *key, int32_t idx,
|
|
// validLocaleDataEntry + containerResPath
|
|
const UResourceBundle *container,
|
|
UResourceBundle *resB, UErrorCode *status) {
|
|
return init_resb_result(
|
|
dataEntry, r, key, idx,
|
|
container->fValidLocaleDataEntry, container->fResPath, 0, resB, status);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
UResourceBundle *ures_copyResb(UResourceBundle *r, const UResourceBundle *original, UErrorCode *status) {
|
|
UBool isStackObject;
|
|
if(U_FAILURE(*status) || r == original) {
|
|
return r;
|
|
}
|
|
if(original != nullptr) {
|
|
if(r == nullptr) {
|
|
isStackObject = false;
|
|
r = (UResourceBundle *)uprv_malloc(sizeof(UResourceBundle));
|
|
/* test for nullptr */
|
|
if (r == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
isStackObject = ures_isStackObject(r);
|
|
ures_closeBundle(r, false);
|
|
}
|
|
uprv_memcpy(r, original, sizeof(UResourceBundle));
|
|
r->fResPath = nullptr;
|
|
r->fResPathLen = 0;
|
|
if(original->fResPath) {
|
|
ures_appendResPath(r, original->fResPath, original->fResPathLen, status);
|
|
}
|
|
ures_setIsStackObject(r, isStackObject);
|
|
if(r->fData != nullptr) {
|
|
entryIncrease(r->fData);
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* Functions to retrieve data from resource bundles.
|
|
*/
|
|
|
|
U_CAPI const char16_t* U_EXPORT2 ures_getString(const UResourceBundle* resB, int32_t* len, UErrorCode* status) {
|
|
const char16_t *s;
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
s = res_getString({resB}, &resB->getResData(), resB->fRes, len);
|
|
if (s == nullptr) {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
static const char *
|
|
ures_toUTF8String(const char16_t *s16, int32_t length16,
|
|
char *dest, int32_t *pLength,
|
|
UBool forceCopy,
|
|
UErrorCode *status) {
|
|
int32_t capacity;
|
|
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if (pLength != nullptr) {
|
|
capacity = *pLength;
|
|
} else {
|
|
capacity = 0;
|
|
}
|
|
if (capacity < 0 || (capacity > 0 && dest == nullptr)) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
|
|
if (length16 == 0) {
|
|
/* empty string, return as read-only pointer */
|
|
if (pLength != nullptr) {
|
|
*pLength = 0;
|
|
}
|
|
if (forceCopy) {
|
|
u_terminateChars(dest, capacity, 0, status);
|
|
return dest;
|
|
} else {
|
|
return "";
|
|
}
|
|
} else {
|
|
/* We need to transform the string to the destination buffer. */
|
|
if (capacity < length16) {
|
|
/* No chance for the string to fit. Pure preflighting. */
|
|
return u_strToUTF8(nullptr, 0, pLength, s16, length16, status);
|
|
}
|
|
if (!forceCopy && (length16 <= 0x2aaaaaaa)) {
|
|
/*
|
|
* We know the string will fit into dest because each char16_t turns
|
|
* into at most three UTF-8 bytes. Fill the latter part of dest
|
|
* so that callers do not expect to use dest as a string pointer,
|
|
* hopefully leading to more robust code for when resource bundles
|
|
* may store UTF-8 natively.
|
|
* (In which case dest would not be used at all.)
|
|
*
|
|
* We do not do this if forceCopy=true because then the caller
|
|
* expects the string to start exactly at dest.
|
|
*
|
|
* The test above for <= 0x2aaaaaaa prevents overflows.
|
|
* The +1 is for the NUL terminator.
|
|
*/
|
|
int32_t maxLength = 3 * length16 + 1;
|
|
if (capacity > maxLength) {
|
|
dest += capacity - maxLength;
|
|
capacity = maxLength;
|
|
}
|
|
}
|
|
return u_strToUTF8(dest, capacity, pLength, s16, length16, status);
|
|
}
|
|
}
|
|
|
|
U_CAPI const char * U_EXPORT2
|
|
ures_getUTF8String(const UResourceBundle *resB,
|
|
char *dest, int32_t *pLength,
|
|
UBool forceCopy,
|
|
UErrorCode *status) {
|
|
int32_t length16;
|
|
const char16_t *s16 = ures_getString(resB, &length16, status);
|
|
return ures_toUTF8String(s16, length16, dest, pLength, forceCopy, status);
|
|
}
|
|
|
|
U_CAPI const uint8_t* U_EXPORT2 ures_getBinary(const UResourceBundle* resB, int32_t* len,
|
|
UErrorCode* status) {
|
|
const uint8_t *p;
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
p = res_getBinary({resB}, &resB->getResData(), resB->fRes, len);
|
|
if (p == nullptr) {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
U_CAPI const int32_t* U_EXPORT2 ures_getIntVector(const UResourceBundle* resB, int32_t* len,
|
|
UErrorCode* status) {
|
|
const int32_t *p;
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
p = res_getIntVector({resB}, &resB->getResData(), resB->fRes, len);
|
|
if (p == nullptr) {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
/* this function returns a signed integer */
|
|
/* it performs sign extension */
|
|
U_CAPI int32_t U_EXPORT2 ures_getInt(const UResourceBundle* resB, UErrorCode *status) {
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return 0xffffffff;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0xffffffff;
|
|
}
|
|
if(RES_GET_TYPE(resB->fRes) != URES_INT) {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
return 0xffffffff;
|
|
}
|
|
return res_getInt({resB}, resB->fRes);
|
|
}
|
|
|
|
U_CAPI uint32_t U_EXPORT2 ures_getUInt(const UResourceBundle* resB, UErrorCode *status) {
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return 0xffffffff;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0xffffffff;
|
|
}
|
|
if(RES_GET_TYPE(resB->fRes) != URES_INT) {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
return 0xffffffff;
|
|
}
|
|
return res_getUInt({resB}, resB->fRes);
|
|
}
|
|
|
|
U_CAPI UResType U_EXPORT2 ures_getType(const UResourceBundle *resB) {
|
|
if(resB == nullptr) {
|
|
return URES_NONE;
|
|
}
|
|
return res_getPublicType(resB->fRes);
|
|
}
|
|
|
|
U_CAPI const char * U_EXPORT2 ures_getKey(const UResourceBundle *resB) {
|
|
//
|
|
// TODO: Trace ures_getKey? I guess not usually.
|
|
//
|
|
// We usually get the key string to decide whether we want the value, or to
|
|
// make a key-value pair. Tracing the value should suffice.
|
|
//
|
|
// However, I believe we have some data (e.g., in res_index) where the key
|
|
// strings are the data. Tracing the enclosing table should suffice.
|
|
//
|
|
if(resB == nullptr) {
|
|
return nullptr;
|
|
}
|
|
return(resB->fKey);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2 ures_getSize(const UResourceBundle *resB) {
|
|
if(resB == nullptr) {
|
|
return 0;
|
|
}
|
|
|
|
return resB->fSize;
|
|
}
|
|
|
|
static const char16_t* ures_getStringWithAlias(const UResourceBundle *resB, Resource r, int32_t sIndex, int32_t *len, UErrorCode *status) {
|
|
if(RES_GET_TYPE(r) == URES_ALIAS) {
|
|
const char16_t* result = 0;
|
|
UResourceBundle *tempRes = ures_getByIndex(resB, sIndex, nullptr, status);
|
|
result = ures_getString(tempRes, len, status);
|
|
ures_close(tempRes);
|
|
return result;
|
|
} else {
|
|
return res_getString({resB, sIndex}, &resB->getResData(), r, len);
|
|
}
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2 ures_resetIterator(UResourceBundle *resB){
|
|
if(resB == nullptr) {
|
|
return;
|
|
}
|
|
resB->fIndex = -1;
|
|
}
|
|
|
|
U_CAPI UBool U_EXPORT2 ures_hasNext(const UResourceBundle *resB) {
|
|
if(resB == nullptr) {
|
|
return false;
|
|
}
|
|
return (UBool)(resB->fIndex < resB->fSize-1);
|
|
}
|
|
|
|
U_CAPI const char16_t* U_EXPORT2 ures_getNextString(UResourceBundle *resB, int32_t* len, const char ** key, UErrorCode *status) {
|
|
Resource r = RES_BOGUS;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
|
|
if(resB->fIndex == resB->fSize-1) {
|
|
*status = U_INDEX_OUTOFBOUNDS_ERROR;
|
|
} else {
|
|
resB->fIndex++;
|
|
switch(RES_GET_TYPE(resB->fRes)) {
|
|
case URES_STRING:
|
|
case URES_STRING_V2:
|
|
return res_getString({resB}, &resB->getResData(), resB->fRes, len);
|
|
case URES_TABLE:
|
|
case URES_TABLE16:
|
|
case URES_TABLE32:
|
|
r = res_getTableItemByIndex(&resB->getResData(), resB->fRes, resB->fIndex, key);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return ures_getStringWithAlias(resB, r, resB->fIndex, len, status);
|
|
case URES_ARRAY:
|
|
case URES_ARRAY16:
|
|
r = res_getArrayItem(&resB->getResData(), resB->fRes, resB->fIndex);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return ures_getStringWithAlias(resB, r, resB->fIndex, len, status);
|
|
case URES_ALIAS:
|
|
return ures_getStringWithAlias(resB, resB->fRes, resB->fIndex, len, status);
|
|
case URES_INT:
|
|
case URES_BINARY:
|
|
case URES_INT_VECTOR:
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
U_FALLTHROUGH;
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2 ures_getNextResource(UResourceBundle *resB, UResourceBundle *fillIn, UErrorCode *status) {
|
|
const char *key = nullptr;
|
|
Resource r = RES_BOGUS;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
|
|
if(resB->fIndex == resB->fSize-1) {
|
|
*status = U_INDEX_OUTOFBOUNDS_ERROR;
|
|
/*return nullptr;*/
|
|
} else {
|
|
resB->fIndex++;
|
|
switch(RES_GET_TYPE(resB->fRes)) {
|
|
case URES_INT:
|
|
case URES_BINARY:
|
|
case URES_STRING:
|
|
case URES_STRING_V2:
|
|
case URES_INT_VECTOR:
|
|
return ures_copyResb(fillIn, resB, status);
|
|
case URES_TABLE:
|
|
case URES_TABLE16:
|
|
case URES_TABLE32:
|
|
r = res_getTableItemByIndex(&resB->getResData(), resB->fRes, resB->fIndex, &key);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return init_resb_result(resB->fData, r, key, resB->fIndex, resB, fillIn, status);
|
|
case URES_ARRAY:
|
|
case URES_ARRAY16:
|
|
r = res_getArrayItem(&resB->getResData(), resB->fRes, resB->fIndex);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return init_resb_result(resB->fData, r, key, resB->fIndex, resB, fillIn, status);
|
|
default:
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
}
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2 ures_getByIndex(const UResourceBundle *resB, int32_t indexR, UResourceBundle *fillIn, UErrorCode *status) {
|
|
const char* key = nullptr;
|
|
Resource r = RES_BOGUS;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
|
|
if(indexR >= 0 && resB->fSize > indexR) {
|
|
switch(RES_GET_TYPE(resB->fRes)) {
|
|
case URES_INT:
|
|
case URES_BINARY:
|
|
case URES_STRING:
|
|
case URES_STRING_V2:
|
|
case URES_INT_VECTOR:
|
|
return ures_copyResb(fillIn, resB, status);
|
|
case URES_TABLE:
|
|
case URES_TABLE16:
|
|
case URES_TABLE32:
|
|
r = res_getTableItemByIndex(&resB->getResData(), resB->fRes, indexR, &key);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return init_resb_result(resB->fData, r, key, indexR, resB, fillIn, status);
|
|
case URES_ARRAY:
|
|
case URES_ARRAY16:
|
|
r = res_getArrayItem(&resB->getResData(), resB->fRes, indexR);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return init_resb_result(resB->fData, r, key, indexR, resB, fillIn, status);
|
|
default:
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
/*return nullptr;*/
|
|
return fillIn;
|
|
}
|
|
|
|
U_CAPI const char16_t* U_EXPORT2 ures_getStringByIndex(const UResourceBundle *resB, int32_t indexS, int32_t* len, UErrorCode *status) {
|
|
const char* key = nullptr;
|
|
Resource r = RES_BOGUS;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
|
|
if(indexS >= 0 && resB->fSize > indexS) {
|
|
switch(RES_GET_TYPE(resB->fRes)) {
|
|
case URES_STRING:
|
|
case URES_STRING_V2:
|
|
return res_getString({resB}, &resB->getResData(), resB->fRes, len);
|
|
case URES_TABLE:
|
|
case URES_TABLE16:
|
|
case URES_TABLE32:
|
|
r = res_getTableItemByIndex(&resB->getResData(), resB->fRes, indexS, &key);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return ures_getStringWithAlias(resB, r, indexS, len, status);
|
|
case URES_ARRAY:
|
|
case URES_ARRAY16:
|
|
r = res_getArrayItem(&resB->getResData(), resB->fRes, indexS);
|
|
if(r == RES_BOGUS && resB->fHasFallback) {
|
|
/* TODO: do the fallback */
|
|
}
|
|
return ures_getStringWithAlias(resB, r, indexS, len, status);
|
|
case URES_ALIAS:
|
|
return ures_getStringWithAlias(resB, resB->fRes, indexS, len, status);
|
|
case URES_INT:
|
|
case URES_BINARY:
|
|
case URES_INT_VECTOR:
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
break;
|
|
default:
|
|
/* must not occur */
|
|
*status = U_INTERNAL_PROGRAM_ERROR;
|
|
break;
|
|
}
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
U_CAPI const char * U_EXPORT2
|
|
ures_getUTF8StringByIndex(const UResourceBundle *resB,
|
|
int32_t idx,
|
|
char *dest, int32_t *pLength,
|
|
UBool forceCopy,
|
|
UErrorCode *status) {
|
|
int32_t length16;
|
|
const char16_t *s16 = ures_getStringByIndex(resB, idx, &length16, status);
|
|
return ures_toUTF8String(s16, length16, dest, pLength, forceCopy, status);
|
|
}
|
|
|
|
/*U_CAPI const char *ures_getResPath(UResourceBundle *resB) {
|
|
return resB->fResPath;
|
|
}*/
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_findResource(const char* path, UResourceBundle *fillIn, UErrorCode *status)
|
|
{
|
|
UResourceBundle *first = nullptr;
|
|
UResourceBundle *result = fillIn;
|
|
char *packageName = nullptr;
|
|
char *pathToResource = nullptr, *save = nullptr;
|
|
char *locale = nullptr, *localeEnd = nullptr;
|
|
int32_t length;
|
|
|
|
if(status == nullptr || U_FAILURE(*status)) {
|
|
return result;
|
|
}
|
|
|
|
length = (int32_t)(uprv_strlen(path)+1);
|
|
save = pathToResource = (char *)uprv_malloc(length*sizeof(char));
|
|
/* test for nullptr */
|
|
if(pathToResource == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return result;
|
|
}
|
|
uprv_memcpy(pathToResource, path, length);
|
|
|
|
locale = pathToResource;
|
|
if(*pathToResource == RES_PATH_SEPARATOR) { /* there is a path specification */
|
|
pathToResource++;
|
|
packageName = pathToResource;
|
|
pathToResource = uprv_strchr(pathToResource, RES_PATH_SEPARATOR);
|
|
if(pathToResource == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
} else {
|
|
*pathToResource = 0;
|
|
locale = pathToResource+1;
|
|
}
|
|
}
|
|
|
|
localeEnd = uprv_strchr(locale, RES_PATH_SEPARATOR);
|
|
if(localeEnd != nullptr) {
|
|
*localeEnd = 0;
|
|
}
|
|
|
|
first = ures_open(packageName, locale, status);
|
|
|
|
if(U_SUCCESS(*status)) {
|
|
if(localeEnd) {
|
|
result = ures_findSubResource(first, localeEnd+1, fillIn, status);
|
|
} else {
|
|
result = ures_copyResb(fillIn, first, status);
|
|
}
|
|
ures_close(first);
|
|
}
|
|
uprv_free(save);
|
|
return result;
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_findSubResource(const UResourceBundle *resB, char* path, UResourceBundle *fillIn, UErrorCode *status)
|
|
{
|
|
Resource res = RES_BOGUS;
|
|
UResourceBundle *result = fillIn;
|
|
const char *key;
|
|
|
|
if(status == nullptr || U_FAILURE(*status)) {
|
|
return result;
|
|
}
|
|
|
|
/* here we do looping and circular alias checking */
|
|
/* this loop is here because aliasing is resolved on this level, not on res level */
|
|
/* so, when we encounter an alias, it is not an aggregate resource, so we return */
|
|
do {
|
|
res = res_findResource(&resB->getResData(), resB->fRes, &path, &key);
|
|
if(res != RES_BOGUS) {
|
|
result = init_resb_result(resB->fData, res, key, -1, resB, fillIn, status);
|
|
resB = result;
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
break;
|
|
}
|
|
} while(*path); /* there is more stuff in the path */
|
|
|
|
return result;
|
|
}
|
|
U_CAPI const char16_t* U_EXPORT2
|
|
ures_getStringByKeyWithFallback(const UResourceBundle *resB,
|
|
const char* inKey,
|
|
int32_t* len,
|
|
UErrorCode *status) {
|
|
|
|
UResourceBundle stack;
|
|
const char16_t* retVal = nullptr;
|
|
ures_initStackObject(&stack);
|
|
ures_getByKeyWithFallback(resB, inKey, &stack, status);
|
|
int32_t length;
|
|
retVal = ures_getString(&stack, &length, status);
|
|
ures_close(&stack);
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if (length == 3 && retVal[0] == EMPTY_SET && retVal[1] == EMPTY_SET && retVal[2] == EMPTY_SET ) {
|
|
retVal = nullptr;
|
|
length = 0;
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
if (len != nullptr) {
|
|
*len = length;
|
|
}
|
|
return retVal;
|
|
}
|
|
|
|
/*
|
|
Like res_getTableItemByKey but accepts full paths like "NumberElements/latn/patternsShort".
|
|
*/
|
|
static Resource getTableItemByKeyPath(const ResourceData *pResData, Resource table, const char *key) {
|
|
Resource resource = table; /* The current resource */
|
|
icu::CharString path;
|
|
UErrorCode errorCode = U_ZERO_ERROR;
|
|
path.append(key, errorCode);
|
|
if (U_FAILURE(errorCode)) { return RES_BOGUS; }
|
|
char *pathPart = path.data(); /* Path from current resource to desired resource */
|
|
UResType type = (UResType)RES_GET_TYPE(resource); /* the current resource type */
|
|
while (*pathPart && resource != RES_BOGUS && URES_IS_CONTAINER(type)) {
|
|
char *nextPathPart = uprv_strchr(pathPart, RES_PATH_SEPARATOR);
|
|
if (nextPathPart != nullptr) {
|
|
*nextPathPart = 0; /* Terminating null for this part of path. */
|
|
nextPathPart++;
|
|
} else {
|
|
nextPathPart = uprv_strchr(pathPart, 0);
|
|
}
|
|
int32_t t;
|
|
const char *pathP = pathPart;
|
|
resource = res_getTableItemByKey(pResData, resource, &t, &pathP);
|
|
type = (UResType)RES_GET_TYPE(resource);
|
|
pathPart = nextPathPart;
|
|
}
|
|
if (*pathPart) {
|
|
return RES_BOGUS;
|
|
}
|
|
return resource;
|
|
}
|
|
|
|
static void createPath(const char* origResPath,
|
|
int32_t origResPathLen,
|
|
const char* resPath,
|
|
int32_t resPathLen,
|
|
const char* inKey,
|
|
CharString& path,
|
|
UErrorCode* status) {
|
|
// This is a utility function used by ures_getByKeyWithFallback() below. This function builds a path from
|
|
// resPath and inKey, returning the result in `path`. Originally, this function just cleared `path` and
|
|
// appended resPath and inKey to it, but that caused problems for horizontal inheritance.
|
|
//
|
|
// In normal cases, resPath is the same as origResPath, but if ures_getByKeyWithFallback() has followed an
|
|
// alias, resPath may be different from origResPath. Not only may the existing path elements be different,
|
|
// but resPath may also have MORE path elements than origResPath did. If it does, those additional path
|
|
// elements SUPERSEDE the corresponding elements of inKey. So this code counts the number of elements in
|
|
// resPath and origResPath and, for each path element in resPath that doesn't have a counterpart in origResPath,
|
|
// deletes a path element from the beginning of inKey. The remainder of inKey is then appended to
|
|
// resPath to form the result. (We're not using uprv_strchr() here because resPath and origResPath may
|
|
// not be zero-terminated.)
|
|
path.clear();
|
|
const char* key = inKey;
|
|
if (resPathLen > 0) {
|
|
path.append(resPath, resPathLen, *status);
|
|
if (U_SUCCESS(*status)) {
|
|
const char* resPathLimit = resPath + resPathLen;
|
|
const char* origResPathLimit = origResPath + origResPathLen;
|
|
const char* resPathPtr = resPath;
|
|
const char* origResPathPtr = origResPath;
|
|
|
|
// Remove from the beginning of resPath the number of segments that are contained in origResPath.
|
|
// If origResPath has MORE segments than resPath, this will leave resPath as the empty string.
|
|
while (origResPathPtr < origResPathLimit && resPathPtr < resPathLimit) {
|
|
while (origResPathPtr < origResPathLimit && *origResPathPtr != RES_PATH_SEPARATOR) {
|
|
++origResPathPtr;
|
|
}
|
|
if (origResPathPtr < origResPathLimit && *origResPathPtr == RES_PATH_SEPARATOR) {
|
|
++origResPathPtr;
|
|
}
|
|
while (resPathPtr < resPathLimit && *resPathPtr != RES_PATH_SEPARATOR) {
|
|
++resPathPtr;
|
|
}
|
|
if (resPathPtr < resPathLimit && *resPathPtr == RES_PATH_SEPARATOR) {
|
|
++resPathPtr;
|
|
}
|
|
}
|
|
|
|
// New remove from the beginning of `key` the number of segments remaining in resPath.
|
|
// If resPath has more segments than `key` does, `key` will end up empty.
|
|
while (resPathPtr < resPathLimit && *key != '\0') {
|
|
while (resPathPtr < resPathLimit && *resPathPtr != RES_PATH_SEPARATOR) {
|
|
++resPathPtr;
|
|
}
|
|
if (resPathPtr < resPathLimit && *resPathPtr == RES_PATH_SEPARATOR) {
|
|
++resPathPtr;
|
|
}
|
|
while (*key != '\0' && *key != RES_PATH_SEPARATOR) {
|
|
++key;
|
|
}
|
|
if (*key == RES_PATH_SEPARATOR) {
|
|
++key;
|
|
}
|
|
}
|
|
}
|
|
// Finally, append what's left of `key` to `path`. What you end up with here is `resPath`, plus
|
|
// any pieces of `key` that aren't superseded by `resPath`.
|
|
// Or, to put it another way, calculate <#-segments-in-key> - (<#-segments-in-resPath> - <#-segments-in-origResPath>),
|
|
// and append that many segments from the end of `key` to `resPath` to produce the result.
|
|
path.append(key, *status);
|
|
} else {
|
|
path.append(inKey, *status);
|
|
}
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_getByKeyWithFallback(const UResourceBundle *resB,
|
|
const char* inKey,
|
|
UResourceBundle *fillIn,
|
|
UErrorCode *status) {
|
|
Resource res = RES_BOGUS, rootRes = RES_BOGUS;
|
|
UResourceBundle *helper = nullptr;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return fillIn;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return fillIn;
|
|
}
|
|
|
|
int32_t type = RES_GET_TYPE(resB->fRes);
|
|
if(URES_IS_TABLE(type)) {
|
|
const char* origResPath = resB->fResPath;
|
|
int32_t origResPathLen = resB->fResPathLen;
|
|
res = getTableItemByKeyPath(&resB->getResData(), resB->fRes, inKey);
|
|
const char* key = inKey;
|
|
bool didRootOnce = false;
|
|
if(res == RES_BOGUS) {
|
|
UResourceDataEntry *dataEntry = resB->fData;
|
|
CharString path;
|
|
char *myPath = nullptr;
|
|
const char* resPath = resB->fResPath;
|
|
int32_t len = resB->fResPathLen;
|
|
while(res == RES_BOGUS && (dataEntry->fParent != nullptr || !didRootOnce)) { /* Otherwise, we'll look in parents */
|
|
if (dataEntry->fParent != nullptr) {
|
|
dataEntry = dataEntry->fParent;
|
|
} else {
|
|
// We can't just stop when we get to a bundle whose fParent is nullptr. That'll work most of the time,
|
|
// but if the bundle that the caller passed to us was "root" (which happens in getAllItemsWithFallback(),
|
|
// this function will drop right out without doing anything if "root" doesn't contain the exact key path
|
|
// specified. In that case, we need one extra time through this loop to make sure we follow any
|
|
// applicable aliases at the root level.
|
|
didRootOnce = true;
|
|
}
|
|
rootRes = dataEntry->fData.rootRes;
|
|
|
|
if(dataEntry->fBogus == U_ZERO_ERROR) {
|
|
createPath(origResPath, origResPathLen, resPath, len, inKey, path, status);
|
|
if (U_FAILURE(*status)) {
|
|
ures_close(helper);
|
|
return fillIn;
|
|
}
|
|
myPath = path.data();
|
|
key = inKey;
|
|
do {
|
|
res = res_findResource(&(dataEntry->fData), rootRes, &myPath, &key);
|
|
if (RES_GET_TYPE(res) == URES_ALIAS && *myPath) {
|
|
/* We hit an alias, but we didn't finish following the path. */
|
|
helper = init_resb_result(dataEntry, res, nullptr, -1, resB, helper, status);
|
|
/*helper = init_resb_result(dataEntry, res, inKey, -1, resB, helper, status);*/
|
|
if(helper) {
|
|
dataEntry = helper->fData;
|
|
rootRes = helper->fRes;
|
|
resPath = helper->fResPath;
|
|
len = helper->fResPathLen;
|
|
|
|
} else {
|
|
break;
|
|
}
|
|
} else if (res == RES_BOGUS) {
|
|
break;
|
|
}
|
|
} while(*myPath); /* Continue until the whole path is consumed */
|
|
}
|
|
}
|
|
/*dataEntry = getFallbackData(resB, &key, &res, status);*/
|
|
if(res != RES_BOGUS) {
|
|
/* check if resB->fResPath gives the right name here */
|
|
if(uprv_strcmp(dataEntry->fName, uloc_getDefault())==0 || uprv_strcmp(dataEntry->fName, kRootLocaleName)==0) {
|
|
*status = U_USING_DEFAULT_WARNING;
|
|
} else {
|
|
*status = U_USING_FALLBACK_WARNING;
|
|
}
|
|
|
|
fillIn = init_resb_result(dataEntry, res, key, -1, resB, fillIn, status);
|
|
if (resPath != nullptr) {
|
|
createPath(origResPath, origResPathLen, resPath, len, inKey, path, status);
|
|
} else {
|
|
const char* separator = nullptr;
|
|
if (fillIn->fResPath != nullptr) {
|
|
separator = uprv_strchr(fillIn->fResPath, RES_PATH_SEPARATOR);
|
|
}
|
|
if (separator != nullptr && separator[1] != '\0') {
|
|
createPath(origResPath, origResPathLen, fillIn->fResPath,
|
|
static_cast<int32_t>(uprv_strlen(fillIn->fResPath)), inKey, path, status);
|
|
} else {
|
|
createPath(origResPath, origResPathLen, "", 0, inKey, path, status);
|
|
}
|
|
}
|
|
ures_freeResPath(fillIn);
|
|
ures_appendResPath(fillIn, path.data(), path.length(), status);
|
|
if(fillIn->fResPath[fillIn->fResPathLen-1] != RES_PATH_SEPARATOR) {
|
|
ures_appendResPath(fillIn, RES_PATH_SEPARATOR_S, 1, status);
|
|
}
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
fillIn = init_resb_result(resB->fData, res, key, -1, resB, fillIn, status);
|
|
}
|
|
}
|
|
else {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
ures_close(helper);
|
|
return fillIn;
|
|
}
|
|
|
|
namespace {
|
|
|
|
void getAllItemsWithFallback(
|
|
const UResourceBundle *bundle, ResourceDataValue &value,
|
|
ResourceSink &sink, UErrorCode &errorCode) {
|
|
if (U_FAILURE(errorCode)) { return; }
|
|
// We recursively enumerate child-first,
|
|
// only storing parent items in the absence of child items.
|
|
// The sink needs to store a placeholder value for the no-fallback/no-inheritance marker
|
|
// to prevent a parent item from being stored.
|
|
//
|
|
// It would be possible to recursively enumerate parent-first,
|
|
// overriding parent items with child items.
|
|
// When the sink sees the no-fallback/no-inheritance marker,
|
|
// then it would remove the parent's item.
|
|
// We would deserialize parent values even though they are overridden in a child bundle.
|
|
value.setData(bundle->getResData());
|
|
value.setValidLocaleDataEntry(bundle->fValidLocaleDataEntry);
|
|
UResourceDataEntry *parentEntry = bundle->fData->fParent;
|
|
UBool hasParent = parentEntry != nullptr && U_SUCCESS(parentEntry->fBogus);
|
|
value.setResource(bundle->fRes, ResourceTracer(bundle));
|
|
sink.put(bundle->fKey, value, !hasParent, errorCode);
|
|
if (hasParent) {
|
|
// We might try to query the sink whether
|
|
// any fallback from the parent bundle is still possible.
|
|
|
|
// Turn the parent UResourceDataEntry into a UResourceBundle,
|
|
// much like in ures_openWithType().
|
|
// TODO: See if we can refactor ures_getByKeyWithFallback()
|
|
// and pull out an inner function that takes and returns a UResourceDataEntry
|
|
// so that we need not create UResourceBundle objects.
|
|
StackUResourceBundle parentBundle;
|
|
UResourceBundle &parentRef = parentBundle.ref();
|
|
parentRef.fData = parentEntry;
|
|
parentRef.fValidLocaleDataEntry = bundle->fValidLocaleDataEntry;
|
|
parentRef.fHasFallback = !parentRef.getResData().noFallback;
|
|
parentRef.fIsTopLevel = true;
|
|
parentRef.fRes = parentRef.getResData().rootRes;
|
|
parentRef.fSize = res_countArrayItems(&parentRef.getResData(), parentRef.fRes);
|
|
parentRef.fIndex = -1;
|
|
entryIncrease(parentEntry);
|
|
|
|
// Look up the container item in the parent bundle.
|
|
StackUResourceBundle containerBundle;
|
|
const UResourceBundle *rb;
|
|
UErrorCode pathErrorCode = U_ZERO_ERROR; // Ignore if parents up to root do not have this path.
|
|
if (bundle->fResPath == nullptr || *bundle->fResPath == 0) {
|
|
rb = parentBundle.getAlias();
|
|
} else {
|
|
rb = ures_getByKeyWithFallback(parentBundle.getAlias(), bundle->fResPath,
|
|
containerBundle.getAlias(), &pathErrorCode);
|
|
}
|
|
if (U_SUCCESS(pathErrorCode)) {
|
|
getAllItemsWithFallback(rb, value, sink, errorCode);
|
|
}
|
|
}
|
|
}
|
|
|
|
struct GetAllChildrenSink : public ResourceSink {
|
|
// Destination sink
|
|
ResourceSink& dest;
|
|
|
|
GetAllChildrenSink(ResourceSink& dest)
|
|
: dest(dest) {}
|
|
virtual ~GetAllChildrenSink() override;
|
|
virtual void put(const char *key, ResourceValue &value, UBool isRoot,
|
|
UErrorCode &errorCode) override {
|
|
ResourceTable itemsTable = value.getTable(errorCode);
|
|
if (U_FAILURE(errorCode)) { return; }
|
|
for (int32_t i = 0; itemsTable.getKeyAndValue(i, key, value); ++i) {
|
|
if (value.getType() == URES_ALIAS) {
|
|
ResourceDataValue& rdv = static_cast<ResourceDataValue&>(value);
|
|
StackUResourceBundle stackTempBundle;
|
|
UResourceBundle* aliasRB = getAliasTargetAsResourceBundle(rdv.getData(), rdv.getResource(), nullptr, -1,
|
|
rdv.getValidLocaleDataEntry(), nullptr, 0,
|
|
stackTempBundle.getAlias(), &errorCode);
|
|
if (U_SUCCESS(errorCode)) {
|
|
ResourceDataValue aliasedValue;
|
|
aliasedValue.setData(aliasRB->getResData());
|
|
aliasedValue.setValidLocaleDataEntry(aliasRB->fValidLocaleDataEntry);
|
|
aliasedValue.setResource(aliasRB->fRes, ResourceTracer(aliasRB));
|
|
dest.put(key, aliasedValue, isRoot, errorCode);
|
|
}
|
|
} else {
|
|
dest.put(key, value, isRoot, errorCode);
|
|
}
|
|
if (U_FAILURE(errorCode)) { return; }
|
|
}
|
|
}
|
|
};
|
|
|
|
// Virtual destructors must be defined out of line.
|
|
GetAllChildrenSink::~GetAllChildrenSink() {}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ures_getAllChildrenWithFallback(const UResourceBundle *bundle, const char *path,
|
|
icu::ResourceSink &sink, UErrorCode &errorCode) {
|
|
GetAllChildrenSink allChildrenSink(sink);
|
|
ures_getAllItemsWithFallback(bundle, path, allChildrenSink, errorCode);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
// Requires a ResourceDataValue fill-in, so that we need not cast from a ResourceValue.
|
|
// Unfortunately, the caller must know which subclass to make and pass in.
|
|
// Alternatively, we could make it as polymorphic as in Java by
|
|
// returning a ResourceValue pointer (possibly wrapped into a LocalPointer)
|
|
// that the caller then owns.
|
|
//
|
|
// Also requires a UResourceBundle fill-in, so that the value's ResourceTracer
|
|
// can point to a non-local bundle.
|
|
// Without tracing, the child bundle could be a function-local object.
|
|
U_CAPI void U_EXPORT2
|
|
ures_getValueWithFallback(const UResourceBundle *bundle, const char *path,
|
|
UResourceBundle *tempFillIn,
|
|
ResourceDataValue &value, UErrorCode &errorCode) {
|
|
if (U_FAILURE(errorCode)) { return; }
|
|
if (path == nullptr) {
|
|
errorCode = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
const UResourceBundle *rb;
|
|
if (*path == 0) {
|
|
// empty path
|
|
rb = bundle;
|
|
} else {
|
|
rb = ures_getByKeyWithFallback(bundle, path, tempFillIn, &errorCode);
|
|
if (U_FAILURE(errorCode)) {
|
|
return;
|
|
}
|
|
}
|
|
value.setData(rb->getResData());
|
|
value.setValidLocaleDataEntry(rb->fValidLocaleDataEntry);
|
|
value.setResource(rb->fRes, ResourceTracer(rb));
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ures_getAllItemsWithFallback(const UResourceBundle *bundle, const char *path,
|
|
icu::ResourceSink &sink, UErrorCode &errorCode) {
|
|
if (U_FAILURE(errorCode)) { return; }
|
|
if (path == nullptr) {
|
|
errorCode = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
StackUResourceBundle stackBundle;
|
|
const UResourceBundle *rb;
|
|
if (*path == 0) {
|
|
// empty path
|
|
rb = bundle;
|
|
} else {
|
|
rb = ures_getByKeyWithFallback(bundle, path, stackBundle.getAlias(), &errorCode);
|
|
if (U_FAILURE(errorCode)) {
|
|
return;
|
|
}
|
|
}
|
|
// Get all table items with fallback.
|
|
ResourceDataValue value;
|
|
getAllItemsWithFallback(rb, value, sink, errorCode);
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2 ures_getByKey(const UResourceBundle *resB, const char* inKey, UResourceBundle *fillIn, UErrorCode *status) {
|
|
Resource res = RES_BOGUS;
|
|
UResourceDataEntry *dataEntry = nullptr;
|
|
const char *key = inKey;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return fillIn;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return fillIn;
|
|
}
|
|
|
|
int32_t type = RES_GET_TYPE(resB->fRes);
|
|
if(URES_IS_TABLE(type)) {
|
|
int32_t t;
|
|
res = res_getTableItemByKey(&resB->getResData(), resB->fRes, &t, &key);
|
|
if(res == RES_BOGUS) {
|
|
key = inKey;
|
|
if(resB->fHasFallback) {
|
|
dataEntry = getFallbackData(resB, &key, &res, status);
|
|
if(U_SUCCESS(*status)) {
|
|
/* check if resB->fResPath gives the right name here */
|
|
return init_resb_result(dataEntry, res, key, -1, resB, fillIn, status);
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
return init_resb_result(resB->fData, res, key, -1, resB, fillIn, status);
|
|
}
|
|
}
|
|
#if 0
|
|
/* this is a kind of TODO item. If we have an array with an index table, we could do this. */
|
|
/* not currently */
|
|
else if(RES_GET_TYPE(resB->fRes) == URES_ARRAY && resB->fHasFallback == true) {
|
|
/* here should go a first attempt to locate the key using index table */
|
|
dataEntry = getFallbackData(resB, &key, &res, status);
|
|
if(U_SUCCESS(*status)) {
|
|
return init_resb_result(dataEntry, res, key, resB, fillIn, status);
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
}
|
|
#endif
|
|
else {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
return fillIn;
|
|
}
|
|
|
|
U_CAPI const char16_t* U_EXPORT2 ures_getStringByKey(const UResourceBundle *resB, const char* inKey, int32_t* len, UErrorCode *status) {
|
|
Resource res = RES_BOGUS;
|
|
UResourceDataEntry *dataEntry = nullptr;
|
|
const char* key = inKey;
|
|
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(resB == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
|
|
int32_t type = RES_GET_TYPE(resB->fRes);
|
|
if(URES_IS_TABLE(type)) {
|
|
int32_t t=0;
|
|
|
|
res = res_getTableItemByKey(&resB->getResData(), resB->fRes, &t, &key);
|
|
|
|
if(res == RES_BOGUS) {
|
|
key = inKey;
|
|
if(resB->fHasFallback) {
|
|
dataEntry = getFallbackData(resB, &key, &res, status);
|
|
if(U_SUCCESS(*status)) {
|
|
switch (RES_GET_TYPE(res)) {
|
|
case URES_STRING:
|
|
case URES_STRING_V2:
|
|
return res_getString({resB, key}, &dataEntry->fData, res, len);
|
|
case URES_ALIAS:
|
|
{
|
|
const char16_t* result = 0;
|
|
UResourceBundle *tempRes = ures_getByKey(resB, inKey, nullptr, status);
|
|
result = ures_getString(tempRes, len, status);
|
|
ures_close(tempRes);
|
|
return result;
|
|
}
|
|
default:
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
switch (RES_GET_TYPE(res)) {
|
|
case URES_STRING:
|
|
case URES_STRING_V2:
|
|
return res_getString({resB, key}, &resB->getResData(), res, len);
|
|
case URES_ALIAS:
|
|
{
|
|
const char16_t* result = 0;
|
|
UResourceBundle *tempRes = ures_getByKey(resB, inKey, nullptr, status);
|
|
result = ures_getString(tempRes, len, status);
|
|
ures_close(tempRes);
|
|
return result;
|
|
}
|
|
default:
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
}
|
|
}
|
|
#if 0
|
|
/* this is a kind of TODO item. If we have an array with an index table, we could do this. */
|
|
/* not currently */
|
|
else if(RES_GET_TYPE(resB->fRes) == URES_ARRAY && resB->fHasFallback == true) {
|
|
/* here should go a first attempt to locate the key using index table */
|
|
dataEntry = getFallbackData(resB, &key, &res, status);
|
|
if(U_SUCCESS(*status)) {
|
|
// TODO: Tracing
|
|
return res_getString(rd, res, len);
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
}
|
|
#endif
|
|
else {
|
|
*status = U_RESOURCE_TYPE_MISMATCH;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
U_CAPI const char * U_EXPORT2
|
|
ures_getUTF8StringByKey(const UResourceBundle *resB,
|
|
const char *key,
|
|
char *dest, int32_t *pLength,
|
|
UBool forceCopy,
|
|
UErrorCode *status) {
|
|
int32_t length16;
|
|
const char16_t *s16 = ures_getStringByKey(resB, key, &length16, status);
|
|
return ures_toUTF8String(s16, length16, dest, pLength, forceCopy, status);
|
|
}
|
|
|
|
/* TODO: clean from here down */
|
|
|
|
/**
|
|
* INTERNAL: Get the name of the first real locale (not placeholder)
|
|
* that has resource bundle data.
|
|
*/
|
|
U_CAPI const char* U_EXPORT2
|
|
ures_getLocaleInternal(const UResourceBundle* resourceBundle, UErrorCode* status)
|
|
{
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if (!resourceBundle) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
} else {
|
|
return resourceBundle->fData->fName;
|
|
}
|
|
}
|
|
|
|
U_CAPI const char* U_EXPORT2
|
|
ures_getLocale(const UResourceBundle* resourceBundle,
|
|
UErrorCode* status)
|
|
{
|
|
return ures_getLocaleInternal(resourceBundle, status);
|
|
}
|
|
|
|
|
|
U_CAPI const char* U_EXPORT2
|
|
ures_getLocaleByType(const UResourceBundle* resourceBundle,
|
|
ULocDataLocaleType type,
|
|
UErrorCode* status) {
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if (!resourceBundle) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
} else {
|
|
switch(type) {
|
|
case ULOC_ACTUAL_LOCALE:
|
|
return resourceBundle->fData->fName;
|
|
case ULOC_VALID_LOCALE:
|
|
return resourceBundle->fValidLocaleDataEntry->fName;
|
|
case ULOC_REQUESTED_LOCALE:
|
|
default:
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
U_CFUNC const char* ures_getName(const UResourceBundle* resB) {
|
|
if(resB == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
return resB->fData->fName;
|
|
}
|
|
|
|
#ifdef URES_DEBUG
|
|
U_CFUNC const char* ures_getPath(const UResourceBundle* resB) {
|
|
if(resB == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
return resB->fData->fPath;
|
|
}
|
|
#endif
|
|
|
|
static UResourceBundle*
|
|
ures_openWithType(UResourceBundle *r, const char* path, const char* localeID,
|
|
UResOpenType openType, UErrorCode* status) {
|
|
if(U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
|
|
UResourceDataEntry *entry;
|
|
if(openType != URES_OPEN_DIRECT) {
|
|
/* first "canonicalize" the locale ID */
|
|
char canonLocaleID[ULOC_FULLNAME_CAPACITY];
|
|
uloc_getBaseName(localeID, canonLocaleID, UPRV_LENGTHOF(canonLocaleID), status);
|
|
if(U_FAILURE(*status) || *status == U_STRING_NOT_TERMINATED_WARNING) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
entry = entryOpen(path, canonLocaleID, openType, status);
|
|
} else {
|
|
entry = entryOpenDirect(path, localeID, status);
|
|
}
|
|
if(U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if(entry == nullptr) {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
return nullptr;
|
|
}
|
|
|
|
UBool isStackObject;
|
|
if(r == nullptr) {
|
|
r = (UResourceBundle *)uprv_malloc(sizeof(UResourceBundle));
|
|
if(r == nullptr) {
|
|
entryClose(entry);
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return nullptr;
|
|
}
|
|
isStackObject = false;
|
|
} else { // fill-in
|
|
isStackObject = ures_isStackObject(r);
|
|
ures_closeBundle(r, false);
|
|
}
|
|
uprv_memset(r, 0, sizeof(UResourceBundle));
|
|
ures_setIsStackObject(r, isStackObject);
|
|
|
|
r->fValidLocaleDataEntry = r->fData = entry;
|
|
r->fHasFallback = openType != URES_OPEN_DIRECT && !r->getResData().noFallback;
|
|
r->fIsTopLevel = true;
|
|
r->fRes = r->getResData().rootRes;
|
|
r->fSize = res_countArrayItems(&r->getResData(), r->fRes);
|
|
r->fIndex = -1;
|
|
|
|
ResourceTracer(r).traceOpen();
|
|
|
|
return r;
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_open(const char* path, const char* localeID, UErrorCode* status) {
|
|
return ures_openWithType(nullptr, path, localeID, URES_OPEN_LOCALE_DEFAULT_ROOT, status);
|
|
}
|
|
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_openNoDefault(const char* path, const char* localeID, UErrorCode* status) {
|
|
return ures_openWithType(nullptr, path, localeID, URES_OPEN_LOCALE_ROOT, status);
|
|
}
|
|
|
|
/**
|
|
* Opens a resource bundle without "canonicalizing" the locale name. No fallback will be performed
|
|
* or sought. However, alias substitution will happen!
|
|
*/
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_openDirect(const char* path, const char* localeID, UErrorCode* status) {
|
|
return ures_openWithType(nullptr, path, localeID, URES_OPEN_DIRECT, status);
|
|
}
|
|
|
|
/**
|
|
* Internal API: This function is used to open a resource bundle
|
|
* proper fallback chaining is executed while initialization.
|
|
* The result is stored in cache for later fallback search.
|
|
*
|
|
* Same as ures_open(), but uses the fill-in parameter and does not allocate a new bundle.
|
|
*/
|
|
U_CAPI void U_EXPORT2
|
|
ures_openFillIn(UResourceBundle *r, const char* path,
|
|
const char* localeID, UErrorCode* status) {
|
|
if(U_SUCCESS(*status) && r == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
ures_openWithType(r, path, localeID, URES_OPEN_LOCALE_DEFAULT_ROOT, status);
|
|
}
|
|
|
|
/**
|
|
* Same as ures_openDirect(), but uses the fill-in parameter and does not allocate a new bundle.
|
|
*/
|
|
U_CAPI void U_EXPORT2
|
|
ures_openDirectFillIn(UResourceBundle *r, const char* path, const char* localeID, UErrorCode* status) {
|
|
if(U_SUCCESS(*status) && r == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
ures_openWithType(r, path, localeID, URES_OPEN_DIRECT, status);
|
|
}
|
|
|
|
/**
|
|
* API: Counts members. For arrays and tables, returns number of resources.
|
|
* For strings, returns 1.
|
|
*/
|
|
U_CAPI int32_t U_EXPORT2
|
|
ures_countArrayItems(const UResourceBundle* resourceBundle,
|
|
const char* resourceKey,
|
|
UErrorCode* status)
|
|
{
|
|
UResourceBundle resData;
|
|
ures_initStackObject(&resData);
|
|
if (status==nullptr || U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
if(resourceBundle == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
ures_getByKey(resourceBundle, resourceKey, &resData, status);
|
|
|
|
if(resData.getResData().data != nullptr) {
|
|
int32_t result = res_countArrayItems(&resData.getResData(), resData.fRes);
|
|
ures_close(&resData);
|
|
return result;
|
|
} else {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
ures_close(&resData);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Internal function.
|
|
* Return the version number associated with this ResourceBundle as a string.
|
|
*
|
|
* @param resourceBundle The resource bundle for which the version is checked.
|
|
* @return A version number string as specified in the resource bundle or its parent.
|
|
* The caller does not own this string.
|
|
* @see ures_getVersion
|
|
* @internal
|
|
*/
|
|
U_CAPI const char* U_EXPORT2
|
|
ures_getVersionNumberInternal(const UResourceBundle *resourceBundle)
|
|
{
|
|
if (!resourceBundle) return nullptr;
|
|
|
|
if(resourceBundle->fVersion == nullptr) {
|
|
|
|
/* If the version ID has not been built yet, then do so. Retrieve */
|
|
/* the minor version from the file. */
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
int32_t minor_len = 0;
|
|
int32_t len;
|
|
|
|
const char16_t* minor_version = ures_getStringByKey(resourceBundle, kVersionTag, &minor_len, &status);
|
|
|
|
/* Determine the length of of the final version string. This is */
|
|
/* the length of the major part + the length of the separator */
|
|
/* (==1) + the length of the minor part (+ 1 for the zero byte at */
|
|
/* the end). */
|
|
|
|
len = (minor_len > 0) ? minor_len : 1;
|
|
|
|
/* Allocate the string, and build it up. */
|
|
/* + 1 for zero byte */
|
|
|
|
|
|
((UResourceBundle *)resourceBundle)->fVersion = (char *)uprv_malloc(1 + len);
|
|
/* Check for null pointer. */
|
|
if (((UResourceBundle *)resourceBundle)->fVersion == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
if(minor_len > 0) {
|
|
u_UCharsToChars(minor_version, resourceBundle->fVersion , minor_len);
|
|
resourceBundle->fVersion[len] = '\0';
|
|
}
|
|
else {
|
|
uprv_strcpy(resourceBundle->fVersion, kDefaultMinorVersion);
|
|
}
|
|
}
|
|
|
|
return resourceBundle->fVersion;
|
|
}
|
|
|
|
U_CAPI const char* U_EXPORT2
|
|
ures_getVersionNumber(const UResourceBundle* resourceBundle)
|
|
{
|
|
return ures_getVersionNumberInternal(resourceBundle);
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2 ures_getVersion(const UResourceBundle* resB, UVersionInfo versionInfo) {
|
|
if (!resB) return;
|
|
|
|
u_versionFromString(versionInfo, ures_getVersionNumberInternal(resB));
|
|
}
|
|
|
|
/** Tree support functions *******************************/
|
|
#define INDEX_LOCALE_NAME "res_index"
|
|
#define INDEX_TAG "InstalledLocales"
|
|
#define DEFAULT_TAG "default"
|
|
|
|
#if defined(URES_TREE_DEBUG)
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
typedef struct ULocalesContext {
|
|
UResourceBundle installed;
|
|
UResourceBundle curr;
|
|
} ULocalesContext;
|
|
|
|
static void U_CALLCONV
|
|
ures_loc_closeLocales(UEnumeration *enumerator) {
|
|
ULocalesContext *ctx = (ULocalesContext *)enumerator->context;
|
|
ures_close(&ctx->curr);
|
|
ures_close(&ctx->installed);
|
|
uprv_free(ctx);
|
|
uprv_free(enumerator);
|
|
}
|
|
|
|
static int32_t U_CALLCONV
|
|
ures_loc_countLocales(UEnumeration *en, UErrorCode * /*status*/) {
|
|
ULocalesContext *ctx = (ULocalesContext *)en->context;
|
|
return ures_getSize(&ctx->installed);
|
|
}
|
|
|
|
U_CDECL_BEGIN
|
|
|
|
|
|
static const char * U_CALLCONV
|
|
ures_loc_nextLocale(UEnumeration* en,
|
|
int32_t* resultLength,
|
|
UErrorCode* status) {
|
|
ULocalesContext *ctx = (ULocalesContext *)en->context;
|
|
UResourceBundle *res = &(ctx->installed);
|
|
UResourceBundle *k = nullptr;
|
|
const char *result = nullptr;
|
|
int32_t len = 0;
|
|
if(ures_hasNext(res) && (k = ures_getNextResource(res, &ctx->curr, status)) != 0) {
|
|
result = ures_getKey(k);
|
|
len = (int32_t)uprv_strlen(result);
|
|
}
|
|
if (resultLength) {
|
|
*resultLength = len;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static void U_CALLCONV
|
|
ures_loc_resetLocales(UEnumeration* en,
|
|
UErrorCode* /*status*/) {
|
|
UResourceBundle *res = &((ULocalesContext *)en->context)->installed;
|
|
ures_resetIterator(res);
|
|
}
|
|
|
|
U_CDECL_END
|
|
|
|
static const UEnumeration gLocalesEnum = {
|
|
nullptr,
|
|
nullptr,
|
|
ures_loc_closeLocales,
|
|
ures_loc_countLocales,
|
|
uenum_unextDefault,
|
|
ures_loc_nextLocale,
|
|
ures_loc_resetLocales
|
|
};
|
|
|
|
|
|
U_CAPI UEnumeration* U_EXPORT2
|
|
ures_openAvailableLocales(const char *path, UErrorCode *status)
|
|
{
|
|
UResourceBundle *idx = nullptr;
|
|
UEnumeration *en = nullptr;
|
|
ULocalesContext *myContext = nullptr;
|
|
|
|
if(U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
myContext = static_cast<ULocalesContext *>(uprv_malloc(sizeof(ULocalesContext)));
|
|
en = (UEnumeration *)uprv_malloc(sizeof(UEnumeration));
|
|
if(!en || !myContext) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
uprv_free(en);
|
|
uprv_free(myContext);
|
|
return nullptr;
|
|
}
|
|
uprv_memcpy(en, &gLocalesEnum, sizeof(UEnumeration));
|
|
|
|
ures_initStackObject(&myContext->installed);
|
|
ures_initStackObject(&myContext->curr);
|
|
idx = ures_openDirect(path, INDEX_LOCALE_NAME, status);
|
|
ures_getByKey(idx, INDEX_TAG, &myContext->installed, status);
|
|
if(U_SUCCESS(*status)) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "Got %s::%s::[%s] : %s\n",
|
|
path, INDEX_LOCALE_NAME, INDEX_TAG, ures_getKey(&myContext->installed));
|
|
#endif
|
|
en->context = myContext;
|
|
} else {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s open failed - %s\n", path, u_errorName(*status));
|
|
#endif
|
|
ures_close(&myContext->installed);
|
|
uprv_free(myContext);
|
|
uprv_free(en);
|
|
en = nullptr;
|
|
}
|
|
|
|
ures_close(idx);
|
|
|
|
return en;
|
|
}
|
|
|
|
static UBool isLocaleInList(UEnumeration *locEnum, const char *locToSearch, UErrorCode *status) {
|
|
const char *loc;
|
|
while ((loc = uenum_next(locEnum, nullptr, status)) != nullptr) {
|
|
if (uprv_strcmp(loc, locToSearch) == 0) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ures_getFunctionalEquivalent(char *result, int32_t resultCapacity,
|
|
const char *path, const char *resName, const char *keyword, const char *locid,
|
|
UBool *isAvailable, UBool omitDefault, UErrorCode *status)
|
|
{
|
|
char kwVal[1024] = ""; /* value of keyword 'keyword' */
|
|
char defVal[1024] = ""; /* default value for given locale */
|
|
char defLoc[1024] = ""; /* default value for given locale */
|
|
char base[1024] = ""; /* base locale */
|
|
char found[1024] = "";
|
|
char parent[1024] = "";
|
|
char full[1024] = "";
|
|
UResourceBundle bund1, bund2;
|
|
UResourceBundle *res = nullptr;
|
|
UErrorCode subStatus = U_ZERO_ERROR;
|
|
int32_t length = 0;
|
|
if(U_FAILURE(*status)) return 0;
|
|
uloc_getKeywordValue(locid, keyword, kwVal, 1024-1,&subStatus);
|
|
if(!uprv_strcmp(kwVal, DEFAULT_TAG)) {
|
|
kwVal[0]=0;
|
|
}
|
|
uloc_getBaseName(locid, base, 1024-1,&subStatus);
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "getFunctionalEquivalent: \"%s\" [%s=%s] in %s - %s\n",
|
|
locid, keyword, kwVal, base, u_errorName(subStatus));
|
|
#endif
|
|
ures_initStackObject(&bund1);
|
|
ures_initStackObject(&bund2);
|
|
|
|
|
|
uprv_strcpy(parent, base);
|
|
uprv_strcpy(found, base);
|
|
|
|
if(isAvailable) {
|
|
UEnumeration *locEnum = ures_openAvailableLocales(path, &subStatus);
|
|
*isAvailable = true;
|
|
if (U_SUCCESS(subStatus)) {
|
|
*isAvailable = isLocaleInList(locEnum, parent, &subStatus);
|
|
}
|
|
uenum_close(locEnum);
|
|
}
|
|
|
|
if(U_FAILURE(subStatus)) {
|
|
*status = subStatus;
|
|
return 0;
|
|
}
|
|
|
|
do {
|
|
subStatus = U_ZERO_ERROR;
|
|
res = ures_open(path, parent, &subStatus);
|
|
if(((subStatus == U_USING_FALLBACK_WARNING) ||
|
|
(subStatus == U_USING_DEFAULT_WARNING)) && isAvailable)
|
|
{
|
|
*isAvailable = false;
|
|
}
|
|
isAvailable = nullptr; /* only want to set this the first time around */
|
|
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> %s [%s]\n", path?path:"ICUDATA", parent, u_errorName(subStatus), ures_getLocale(res, &subStatus));
|
|
#endif
|
|
if(U_FAILURE(subStatus)) {
|
|
*status = subStatus;
|
|
} else if(subStatus == U_ZERO_ERROR) {
|
|
ures_getByKey(res,resName,&bund1, &subStatus);
|
|
if(subStatus == U_ZERO_ERROR) {
|
|
const char16_t *defUstr;
|
|
int32_t defLen;
|
|
/* look for default item */
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s : loaded default -> %s\n",
|
|
path?path:"ICUDATA", parent, u_errorName(subStatus));
|
|
#endif
|
|
defUstr = ures_getStringByKey(&bund1, DEFAULT_TAG, &defLen, &subStatus);
|
|
if(U_SUCCESS(subStatus) && defLen) {
|
|
u_UCharsToChars(defUstr, defVal, u_strlen(defUstr));
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> default %s=%s, %s\n",
|
|
path?path:"ICUDATA", parent, keyword, defVal, u_errorName(subStatus));
|
|
#endif
|
|
uprv_strcpy(defLoc, parent);
|
|
if(kwVal[0]==0) {
|
|
uprv_strcpy(kwVal, defVal);
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> kwVal = %s\n",
|
|
path?path:"ICUDATA", parent, keyword, kwVal);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
subStatus = U_ZERO_ERROR;
|
|
|
|
if (res != nullptr) {
|
|
uprv_strcpy(found, ures_getLocaleByType(res, ULOC_VALID_LOCALE, &subStatus));
|
|
}
|
|
|
|
uloc_getParent(found,parent,sizeof(parent),&subStatus);
|
|
ures_close(res);
|
|
} while(!defVal[0] && *found && uprv_strcmp(found, "root") != 0 && U_SUCCESS(*status));
|
|
|
|
/* Now, see if we can find the kwVal collator.. start the search over.. */
|
|
uprv_strcpy(parent, base);
|
|
uprv_strcpy(found, base);
|
|
|
|
do {
|
|
subStatus = U_ZERO_ERROR;
|
|
res = ures_open(path, parent, &subStatus);
|
|
if((subStatus == U_USING_FALLBACK_WARNING) && isAvailable) {
|
|
*isAvailable = false;
|
|
}
|
|
isAvailable = nullptr; /* only want to set this the first time around */
|
|
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> %s (looking for %s)\n",
|
|
path?path:"ICUDATA", parent, u_errorName(subStatus), kwVal);
|
|
#endif
|
|
if(U_FAILURE(subStatus)) {
|
|
*status = subStatus;
|
|
} else if(subStatus == U_ZERO_ERROR) {
|
|
ures_getByKey(res,resName,&bund1, &subStatus);
|
|
#if defined(URES_TREE_DEBUG)
|
|
/**/ fprintf(stderr,"@%d [%s] %s\n", __LINE__, resName, u_errorName(subStatus));
|
|
#endif
|
|
if(subStatus == U_ZERO_ERROR) {
|
|
ures_getByKey(&bund1, kwVal, &bund2, &subStatus);
|
|
#if defined(URES_TREE_DEBUG)
|
|
/**/ fprintf(stderr,"@%d [%s] %s\n", __LINE__, kwVal, u_errorName(subStatus));
|
|
#endif
|
|
if(subStatus == U_ZERO_ERROR) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> full0 %s=%s, %s\n",
|
|
path?path:"ICUDATA", parent, keyword, kwVal, u_errorName(subStatus));
|
|
#endif
|
|
uprv_strcpy(full, parent);
|
|
if(*full == 0) {
|
|
uprv_strcpy(full, "root");
|
|
}
|
|
/* now, recalculate default kw if need be */
|
|
if(uprv_strlen(defLoc) > uprv_strlen(full)) {
|
|
const char16_t *defUstr;
|
|
int32_t defLen;
|
|
/* look for default item */
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> recalculating Default0\n",
|
|
path?path:"ICUDATA", full);
|
|
#endif
|
|
defUstr = ures_getStringByKey(&bund1, DEFAULT_TAG, &defLen, &subStatus);
|
|
if(U_SUCCESS(subStatus) && defLen) {
|
|
u_UCharsToChars(defUstr, defVal, u_strlen(defUstr));
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> default0 %s=%s, %s\n",
|
|
path?path:"ICUDATA", full, keyword, defVal, u_errorName(subStatus));
|
|
#endif
|
|
uprv_strcpy(defLoc, full);
|
|
}
|
|
} /* end of recalculate default KW */
|
|
#if defined(URES_TREE_DEBUG)
|
|
else {
|
|
fprintf(stderr, "No trim0, %s <= %s\n", defLoc, full);
|
|
}
|
|
#endif
|
|
} else {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "err=%s in %s looking for %s\n",
|
|
u_errorName(subStatus), parent, kwVal);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
subStatus = U_ZERO_ERROR;
|
|
|
|
uprv_strcpy(found, parent);
|
|
uloc_getParent(found,parent,1023,&subStatus);
|
|
ures_close(res);
|
|
} while(!full[0] && *found && U_SUCCESS(*status));
|
|
|
|
if((full[0]==0) && uprv_strcmp(kwVal, defVal)) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "Failed to locate kw %s - try default %s\n", kwVal, defVal);
|
|
#endif
|
|
uprv_strcpy(kwVal, defVal);
|
|
uprv_strcpy(parent, base);
|
|
uprv_strcpy(found, base);
|
|
|
|
do { /* search for 'default' named item */
|
|
subStatus = U_ZERO_ERROR;
|
|
res = ures_open(path, parent, &subStatus);
|
|
if((subStatus == U_USING_FALLBACK_WARNING) && isAvailable) {
|
|
*isAvailable = false;
|
|
}
|
|
isAvailable = nullptr; /* only want to set this the first time around */
|
|
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> %s (looking for default %s)\n",
|
|
path?path:"ICUDATA", parent, u_errorName(subStatus), kwVal);
|
|
#endif
|
|
if(U_FAILURE(subStatus)) {
|
|
*status = subStatus;
|
|
} else if(subStatus == U_ZERO_ERROR) {
|
|
ures_getByKey(res,resName,&bund1, &subStatus);
|
|
if(subStatus == U_ZERO_ERROR) {
|
|
ures_getByKey(&bund1, kwVal, &bund2, &subStatus);
|
|
if(subStatus == U_ZERO_ERROR) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> full1 %s=%s, %s\n", path?path:"ICUDATA",
|
|
parent, keyword, kwVal, u_errorName(subStatus));
|
|
#endif
|
|
uprv_strcpy(full, parent);
|
|
if(*full == 0) {
|
|
uprv_strcpy(full, "root");
|
|
}
|
|
|
|
/* now, recalculate default kw if need be */
|
|
if(uprv_strlen(defLoc) > uprv_strlen(full)) {
|
|
const char16_t *defUstr;
|
|
int32_t defLen;
|
|
/* look for default item */
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> recalculating Default1\n",
|
|
path?path:"ICUDATA", full);
|
|
#endif
|
|
defUstr = ures_getStringByKey(&bund1, DEFAULT_TAG, &defLen, &subStatus);
|
|
if(U_SUCCESS(subStatus) && defLen) {
|
|
u_UCharsToChars(defUstr, defVal, u_strlen(defUstr));
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s;%s -> default %s=%s, %s\n",
|
|
path?path:"ICUDATA", full, keyword, defVal, u_errorName(subStatus));
|
|
#endif
|
|
uprv_strcpy(defLoc, full);
|
|
}
|
|
} /* end of recalculate default KW */
|
|
#if defined(URES_TREE_DEBUG)
|
|
else {
|
|
fprintf(stderr, "No trim1, %s <= %s\n", defLoc, full);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
subStatus = U_ZERO_ERROR;
|
|
|
|
uprv_strcpy(found, parent);
|
|
uloc_getParent(found,parent,1023,&subStatus);
|
|
ures_close(res);
|
|
} while(!full[0] && *found && U_SUCCESS(*status));
|
|
}
|
|
|
|
if(U_SUCCESS(*status)) {
|
|
if(!full[0]) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "Still could not load keyword %s=%s\n", keyword, kwVal);
|
|
#endif
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
} else if(omitDefault) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr,"Trim? full=%s, defLoc=%s, found=%s\n", full, defLoc, found);
|
|
#endif
|
|
if(uprv_strlen(defLoc) <= uprv_strlen(full)) {
|
|
/* found the keyword in a *child* of where the default tag was present. */
|
|
if(!uprv_strcmp(kwVal, defVal)) { /* if the requested kw is default, */
|
|
/* and the default is in or in an ancestor of the current locale */
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "Removing unneeded var %s=%s\n", keyword, kwVal);
|
|
#endif
|
|
kwVal[0]=0;
|
|
}
|
|
}
|
|
}
|
|
uprv_strcpy(found, full);
|
|
if(kwVal[0]) {
|
|
uprv_strcat(found, "@");
|
|
uprv_strcat(found, keyword);
|
|
uprv_strcat(found, "=");
|
|
uprv_strcat(found, kwVal);
|
|
} else if(!omitDefault) {
|
|
uprv_strcat(found, "@");
|
|
uprv_strcat(found, keyword);
|
|
uprv_strcat(found, "=");
|
|
uprv_strcat(found, defVal);
|
|
}
|
|
}
|
|
/* we found the default locale - no need to repeat it.*/
|
|
|
|
ures_close(&bund1);
|
|
ures_close(&bund2);
|
|
|
|
length = (int32_t)uprv_strlen(found);
|
|
|
|
if(U_SUCCESS(*status)) {
|
|
int32_t copyLength = uprv_min(length, resultCapacity);
|
|
if(copyLength>0) {
|
|
uprv_strncpy(result, found, copyLength);
|
|
}
|
|
if(length == 0) {
|
|
*status = U_MISSING_RESOURCE_ERROR;
|
|
}
|
|
} else {
|
|
length = 0;
|
|
result[0]=0;
|
|
}
|
|
return u_terminateChars(result, resultCapacity, length, status);
|
|
}
|
|
|
|
U_CAPI UEnumeration* U_EXPORT2
|
|
ures_getKeywordValues(const char *path, const char *keyword, UErrorCode *status)
|
|
{
|
|
#define VALUES_BUF_SIZE 2048
|
|
#define VALUES_LIST_SIZE 512
|
|
|
|
char valuesBuf[VALUES_BUF_SIZE];
|
|
int32_t valuesIndex = 0;
|
|
const char *valuesList[VALUES_LIST_SIZE];
|
|
int32_t valuesCount = 0;
|
|
|
|
const char *locale;
|
|
int32_t locLen;
|
|
|
|
UEnumeration *locs = nullptr;
|
|
|
|
UResourceBundle item;
|
|
UResourceBundle subItem;
|
|
|
|
ures_initStackObject(&item);
|
|
ures_initStackObject(&subItem);
|
|
locs = ures_openAvailableLocales(path, status);
|
|
|
|
if(U_FAILURE(*status)) {
|
|
ures_close(&item);
|
|
ures_close(&subItem);
|
|
return nullptr;
|
|
}
|
|
|
|
valuesBuf[0]=0;
|
|
valuesBuf[1]=0;
|
|
|
|
while((locale = uenum_next(locs, &locLen, status)) != 0) {
|
|
UResourceBundle *bund = nullptr;
|
|
UResourceBundle *subPtr = nullptr;
|
|
UErrorCode subStatus = U_ZERO_ERROR; /* don't fail if a bundle is unopenable */
|
|
bund = ures_open(path, locale, &subStatus);
|
|
|
|
#if defined(URES_TREE_DEBUG)
|
|
if(!bund || U_FAILURE(subStatus)) {
|
|
fprintf(stderr, "%s-%s values: Can't open %s locale - skipping. (%s)\n",
|
|
path?path:"<ICUDATA>", keyword, locale, u_errorName(subStatus));
|
|
}
|
|
#endif
|
|
|
|
ures_getByKey(bund, keyword, &item, &subStatus);
|
|
|
|
if(!bund || U_FAILURE(subStatus)) {
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s-%s values: Can't find in %s - skipping. (%s)\n",
|
|
path?path:"<ICUDATA>", keyword, locale, u_errorName(subStatus));
|
|
#endif
|
|
ures_close(bund);
|
|
bund = nullptr;
|
|
continue;
|
|
}
|
|
|
|
while((subPtr = ures_getNextResource(&item,&subItem,&subStatus)) != 0
|
|
&& U_SUCCESS(subStatus)) {
|
|
const char *k;
|
|
int32_t i;
|
|
k = ures_getKey(subPtr);
|
|
|
|
#if defined(URES_TREE_DEBUG)
|
|
/* fprintf(stderr, "%s | %s | %s | %s\n", path?path:"<ICUDATA>", keyword, locale, k); */
|
|
#endif
|
|
if(k == nullptr || *k == 0 ||
|
|
uprv_strcmp(k, DEFAULT_TAG) == 0 || uprv_strncmp(k, "private-", 8) == 0) {
|
|
// empty or "default" or unlisted type
|
|
continue;
|
|
}
|
|
for(i=0; i<valuesCount; i++) {
|
|
if(!uprv_strcmp(valuesList[i],k)) {
|
|
k = nullptr; /* found duplicate */
|
|
break;
|
|
}
|
|
}
|
|
if(k != nullptr) {
|
|
int32_t kLen = (int32_t)uprv_strlen(k);
|
|
if((valuesCount >= (VALUES_LIST_SIZE-1)) || /* no more space in list .. */
|
|
((valuesIndex+kLen+1+1) >= VALUES_BUF_SIZE)) { /* no more space in buffer (string + 2 nulls) */
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR; /* out of space.. */
|
|
} else {
|
|
uprv_strcpy(valuesBuf+valuesIndex, k);
|
|
valuesList[valuesCount++] = valuesBuf+valuesIndex;
|
|
valuesIndex += kLen;
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s | %s | %s | [%s] (UNIQUE)\n",
|
|
path?path:"<ICUDATA>", keyword, locale, k);
|
|
#endif
|
|
valuesBuf[valuesIndex++] = 0; /* terminate */
|
|
}
|
|
}
|
|
}
|
|
ures_close(bund);
|
|
}
|
|
valuesBuf[valuesIndex++] = 0; /* terminate */
|
|
|
|
ures_close(&item);
|
|
ures_close(&subItem);
|
|
uenum_close(locs);
|
|
#if defined(URES_TREE_DEBUG)
|
|
fprintf(stderr, "%s: size %d, #%d\n", u_errorName(*status),
|
|
valuesIndex, valuesCount);
|
|
#endif
|
|
return uloc_openKeywordList(valuesBuf, valuesIndex, status);
|
|
}
|
|
#if 0
|
|
/* This code isn't needed, and given the documentation warnings the implementation is suspect */
|
|
U_CAPI UBool U_EXPORT2
|
|
ures_equal(const UResourceBundle* res1, const UResourceBundle* res2){
|
|
if(res1==nullptr || res2==nullptr){
|
|
return res1==res2; /* pointer comparison */
|
|
}
|
|
if(res1->fKey==nullptr|| res2->fKey==nullptr){
|
|
return (res1->fKey==res2->fKey);
|
|
}else{
|
|
if(uprv_strcmp(res1->fKey, res2->fKey)!=0){
|
|
return false;
|
|
}
|
|
}
|
|
if(uprv_strcmp(res1->fData->fName, res2->fData->fName)!=0){
|
|
return false;
|
|
}
|
|
if(res1->fData->fPath == nullptr|| res2->fData->fPath==nullptr){
|
|
return (res1->fData->fPath == res2->fData->fPath);
|
|
}else{
|
|
if(uprv_strcmp(res1->fData->fPath, res2->fData->fPath)!=0){
|
|
return false;
|
|
}
|
|
}
|
|
if(uprv_strcmp(res1->fData->fParent->fName, res2->fData->fParent->fName)!=0){
|
|
return false;
|
|
}
|
|
if(uprv_strcmp(res1->fData->fParent->fPath, res2->fData->fParent->fPath)!=0){
|
|
return false;
|
|
}
|
|
if(uprv_strncmp(res1->fResPath, res2->fResPath, res1->fResPathLen)!=0){
|
|
return false;
|
|
}
|
|
if(res1->fRes != res2->fRes){
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
U_CAPI UResourceBundle* U_EXPORT2
|
|
ures_clone(const UResourceBundle* res, UErrorCode* status){
|
|
UResourceBundle* bundle = nullptr;
|
|
UResourceBundle* ret = nullptr;
|
|
if(U_FAILURE(*status) || res == nullptr){
|
|
return nullptr;
|
|
}
|
|
bundle = ures_open(res->fData->fPath, res->fData->fName, status);
|
|
if(res->fResPath!=nullptr){
|
|
ret = ures_findSubResource(bundle, res->fResPath, nullptr, status);
|
|
ures_close(bundle);
|
|
}else{
|
|
ret = bundle;
|
|
}
|
|
return ret;
|
|
}
|
|
U_CAPI const UResourceBundle* U_EXPORT2
|
|
ures_getParentBundle(const UResourceBundle* res){
|
|
if(res==nullptr){
|
|
return nullptr;
|
|
}
|
|
return res->fParentRes;
|
|
}
|
|
#endif
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ures_getVersionByKey(const UResourceBundle* res, const char *key, UVersionInfo ver, UErrorCode *status) {
|
|
const char16_t *str;
|
|
int32_t len;
|
|
str = ures_getStringByKey(res, key, &len, status);
|
|
if(U_SUCCESS(*status)) {
|
|
u_versionFromUString(ver, str);
|
|
}
|
|
}
|
|
|
|
/* eof */
|