1289 lines
46 KiB
C++
1289 lines
46 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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*
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* Copyright (C) 2002-2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: uset.h
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* encoding: UTF-8
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2002mar07
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* created by: Markus W. Scherer
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*
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* C version of UnicodeSet.
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*/
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/**
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* \file
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* \brief C API: Unicode Set
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*
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* <p>This is a C wrapper around the C++ UnicodeSet class.</p>
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*/
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#ifndef __USET_H__
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#define __USET_H__
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#include "unicode/utypes.h"
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#include "unicode/uchar.h"
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#if U_SHOW_CPLUSPLUS_API
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#include "unicode/localpointer.h"
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#endif // U_SHOW_CPLUSPLUS_API
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#ifndef USET_DEFINED
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#ifndef U_IN_DOXYGEN
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#define USET_DEFINED
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#endif
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/**
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* USet is the C API type corresponding to C++ class UnicodeSet.
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* Use the uset_* API to manipulate. Create with
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* uset_open*, and destroy with uset_close.
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* @stable ICU 2.4
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*/
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typedef struct USet USet;
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#endif
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/**
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* Bitmask values to be passed to uset_openPatternOptions() or
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* uset_applyPattern() taking an option parameter.
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*
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* Use at most one of USET_CASE_INSENSITIVE, USET_ADD_CASE_MAPPINGS, USET_SIMPLE_CASE_INSENSITIVE.
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* These case options are mutually exclusive.
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*
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* Undefined options bits are ignored, and reserved for future use.
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*
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* @stable ICU 2.4
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*/
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enum {
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/**
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* Ignore white space within patterns unless quoted or escaped.
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* @stable ICU 2.4
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*/
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USET_IGNORE_SPACE = 1,
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/**
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* Enable case insensitive matching. E.g., "[ab]" with this flag
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* will match 'a', 'A', 'b', and 'B'. "[^ab]" with this flag will
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* match all except 'a', 'A', 'b', and 'B'. This performs a full
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* closure over case mappings, e.g. 'ſ' (U+017F long s) for 's'.
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*
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* The resulting set is a superset of the input for the code points but
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* not for the strings.
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* It performs a case mapping closure of the code points and adds
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* full case folding strings for the code points, and reduces strings of
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* the original set to their full case folding equivalents.
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*
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* This is designed for case-insensitive matches, for example
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* in regular expressions. The full code point case closure allows checking of
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* an input character directly against the closure set.
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* Strings are matched by comparing the case-folded form from the closure
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* set with an incremental case folding of the string in question.
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*
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* The closure set will also contain single code points if the original
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* set contained case-equivalent strings (like U+00DF for "ss" or "Ss" etc.).
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* This is not necessary (that is, redundant) for the above matching method
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* but results in the same closure sets regardless of whether the original
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* set contained the code point or a string.
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*
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* @stable ICU 2.4
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*/
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USET_CASE_INSENSITIVE = 2,
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/**
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* Adds all case mappings for each element in the set.
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* This adds the full lower-, title-, and uppercase mappings as well as the full case folding
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* of each existing element in the set.
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*
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* Unlike the “case insensitive” options, this does not perform a closure.
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* For example, it does not add 'ſ' (U+017F long s) for 's',
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* 'K' (U+212A Kelvin sign) for 'k', or replace set strings by their case-folded versions.
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*
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* @stable ICU 3.2
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*/
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USET_ADD_CASE_MAPPINGS = 4,
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/**
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* Enable case insensitive matching.
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* Same as USET_CASE_INSENSITIVE but using only Simple_Case_Folding (scf) mappings,
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* which map each code point to one code point,
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* not full Case_Folding (cf) mappings, which map some code points to multiple code points.
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*
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* This is designed for case-insensitive matches, for example in certain
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* regular expression implementations where only Simple_Case_Folding mappings are used,
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* such as in ECMAScript (JavaScript) regular expressions.
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*
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* @stable ICU 73
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*/
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USET_SIMPLE_CASE_INSENSITIVE = 6
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};
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/**
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* Argument values for whether span() and similar functions continue while
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* the current character is contained vs. not contained in the set.
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*
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* The functionality is straightforward for sets with only single code points,
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* without strings (which is the common case):
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* - USET_SPAN_CONTAINED and USET_SPAN_SIMPLE work the same.
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* - USET_SPAN_CONTAINED and USET_SPAN_SIMPLE are inverses of USET_SPAN_NOT_CONTAINED.
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* - span() and spanBack() partition any string the same way when
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* alternating between span(USET_SPAN_NOT_CONTAINED) and
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* span(either "contained" condition).
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* - Using a complemented (inverted) set and the opposite span conditions
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* yields the same results.
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*
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* When a set contains multi-code point strings, then these statements may not
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* be true, depending on the strings in the set (for example, whether they
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* overlap with each other) and the string that is processed.
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* For a set with strings:
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* - The complement of the set contains the opposite set of code points,
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* but the same set of strings.
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* Therefore, complementing both the set and the span conditions
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* may yield different results.
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* - When starting spans at different positions in a string
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* (span(s, ...) vs. span(s+1, ...)) the ends of the spans may be different
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* because a set string may start before the later position.
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* - span(USET_SPAN_SIMPLE) may be shorter than
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* span(USET_SPAN_CONTAINED) because it will not recursively try
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* all possible paths.
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* For example, with a set which contains the three strings "xy", "xya" and "ax",
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* span("xyax", USET_SPAN_CONTAINED) will return 4 but
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* span("xyax", USET_SPAN_SIMPLE) will return 3.
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* span(USET_SPAN_SIMPLE) will never be longer than
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* span(USET_SPAN_CONTAINED).
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* - With either "contained" condition, span() and spanBack() may partition
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* a string in different ways.
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* For example, with a set which contains the two strings "ab" and "ba",
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* and when processing the string "aba",
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* span() will yield contained/not-contained boundaries of { 0, 2, 3 }
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* while spanBack() will yield boundaries of { 0, 1, 3 }.
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*
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* Note: If it is important to get the same boundaries whether iterating forward
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* or backward through a string, then either only span() should be used and
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* the boundaries cached for backward operation, or an ICU BreakIterator
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* could be used.
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*
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* Note: Unpaired surrogates are treated like surrogate code points.
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* Similarly, set strings match only on code point boundaries,
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* never in the middle of a surrogate pair.
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* Illegal UTF-8 sequences are treated like U+FFFD.
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* When processing UTF-8 strings, malformed set strings
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* (strings with unpaired surrogates which cannot be converted to UTF-8)
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* are ignored.
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*
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* @stable ICU 3.8
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*/
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typedef enum USetSpanCondition {
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/**
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* Continues a span() while there is no set element at the current position.
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* Increments by one code point at a time.
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* Stops before the first set element (character or string).
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* (For code points only, this is like while contains(current)==false).
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*
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* When span() returns, the substring between where it started and the position
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* it returned consists only of characters that are not in the set,
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* and none of its strings overlap with the span.
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*
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* @stable ICU 3.8
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*/
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USET_SPAN_NOT_CONTAINED = 0,
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/**
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* Spans the longest substring that is a concatenation of set elements (characters or strings).
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* (For characters only, this is like while contains(current)==true).
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*
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* When span() returns, the substring between where it started and the position
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* it returned consists only of set elements (characters or strings) that are in the set.
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*
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* If a set contains strings, then the span will be the longest substring for which there
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* exists at least one non-overlapping concatenation of set elements (characters or strings).
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* This is equivalent to a POSIX regular expression for <code>(OR of each set element)*</code>.
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* (Java/ICU/Perl regex stops at the first match of an OR.)
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*
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* @stable ICU 3.8
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*/
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USET_SPAN_CONTAINED = 1,
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/**
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* Continues a span() while there is a set element at the current position.
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* Increments by the longest matching element at each position.
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* (For characters only, this is like while contains(current)==true).
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*
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* When span() returns, the substring between where it started and the position
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* it returned consists only of set elements (characters or strings) that are in the set.
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*
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* If a set only contains single characters, then this is the same
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* as USET_SPAN_CONTAINED.
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*
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* If a set contains strings, then the span will be the longest substring
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* with a match at each position with the longest single set element (character or string).
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*
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* Use this span condition together with other longest-match algorithms,
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* such as ICU converters (ucnv_getUnicodeSet()).
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*
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* @stable ICU 3.8
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*/
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USET_SPAN_SIMPLE = 2,
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#ifndef U_HIDE_DEPRECATED_API
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/**
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* One more than the last span condition.
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* @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
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*/
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USET_SPAN_CONDITION_COUNT
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#endif // U_HIDE_DEPRECATED_API
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} USetSpanCondition;
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enum {
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/**
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* Capacity of USerializedSet::staticArray.
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* Enough for any single-code point set.
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* Also provides padding for nice sizeof(USerializedSet).
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* @stable ICU 2.4
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*/
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USET_SERIALIZED_STATIC_ARRAY_CAPACITY=8
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};
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/**
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* A serialized form of a Unicode set. Limited manipulations are
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* possible directly on a serialized set. See below.
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* @stable ICU 2.4
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*/
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typedef struct USerializedSet {
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/**
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* The serialized Unicode Set.
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* @stable ICU 2.4
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*/
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const uint16_t *array;
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/**
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* The length of the array that contains BMP characters.
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* @stable ICU 2.4
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*/
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int32_t bmpLength;
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/**
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* The total length of the array.
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* @stable ICU 2.4
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*/
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int32_t length;
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/**
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* A small buffer for the array to reduce memory allocations.
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* @stable ICU 2.4
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*/
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uint16_t staticArray[USET_SERIALIZED_STATIC_ARRAY_CAPACITY];
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} USerializedSet;
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/*********************************************************************
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* USet API
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*********************************************************************/
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/**
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* Create an empty USet object.
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* Equivalent to uset_open(1, 0).
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* @return a newly created USet. The caller must call uset_close() on
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* it when done.
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* @stable ICU 4.2
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*/
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U_CAPI USet* U_EXPORT2
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uset_openEmpty(void);
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/**
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* Creates a USet object that contains the range of characters
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* start..end, inclusive. If <code>start > end</code>
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* then an empty set is created (same as using uset_openEmpty()).
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* @param start first character of the range, inclusive
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* @param end last character of the range, inclusive
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* @return a newly created USet. The caller must call uset_close() on
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* it when done.
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* @stable ICU 2.4
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*/
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U_CAPI USet* U_EXPORT2
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uset_open(UChar32 start, UChar32 end);
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/**
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* Creates a set from the given pattern. See the UnicodeSet class
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* description for the syntax of the pattern language.
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* @param pattern a string specifying what characters are in the set
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* @param patternLength the length of the pattern, or -1 if null
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* terminated
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* @param ec the error code
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* @stable ICU 2.4
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*/
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U_CAPI USet* U_EXPORT2
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uset_openPattern(const UChar* pattern, int32_t patternLength,
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UErrorCode* ec);
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/**
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* Creates a set from the given pattern. See the UnicodeSet class
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* description for the syntax of the pattern language.
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* @param pattern a string specifying what characters are in the set
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* @param patternLength the length of the pattern, or -1 if null
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* terminated
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* @param options bitmask for options to apply to the pattern.
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* Valid options are USET_IGNORE_SPACE and
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* at most one of USET_CASE_INSENSITIVE, USET_ADD_CASE_MAPPINGS, USET_SIMPLE_CASE_INSENSITIVE.
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* These case options are mutually exclusive.
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* @param ec the error code
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* @stable ICU 2.4
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*/
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U_CAPI USet* U_EXPORT2
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uset_openPatternOptions(const UChar* pattern, int32_t patternLength,
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uint32_t options,
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UErrorCode* ec);
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/**
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* Disposes of the storage used by a USet object. This function should
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* be called exactly once for objects returned by uset_open().
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* @param set the object to dispose of
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* @stable ICU 2.4
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*/
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U_CAPI void U_EXPORT2
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uset_close(USet* set);
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#if U_SHOW_CPLUSPLUS_API
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U_NAMESPACE_BEGIN
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/**
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* \class LocalUSetPointer
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* "Smart pointer" class, closes a USet via uset_close().
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* For most methods see the LocalPointerBase base class.
|
||
*
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* @see LocalPointerBase
|
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* @see LocalPointer
|
||
* @stable ICU 4.4
|
||
*/
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U_DEFINE_LOCAL_OPEN_POINTER(LocalUSetPointer, USet, uset_close);
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||
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U_NAMESPACE_END
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#endif
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/**
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* Returns a copy of this object.
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* If this set is frozen, then the clone will be frozen as well.
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* Use uset_cloneAsThawed() for a mutable clone of a frozen set.
|
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* @param set the original set
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* @return the newly allocated copy of the set
|
||
* @see uset_cloneAsThawed
|
||
* @stable ICU 3.8
|
||
*/
|
||
U_CAPI USet * U_EXPORT2
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uset_clone(const USet *set);
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||
|
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/**
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* Determines whether the set has been frozen (made immutable) or not.
|
||
* See the ICU4J Freezable interface for details.
|
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* @param set the set
|
||
* @return true/false for whether the set has been frozen
|
||
* @see uset_freeze
|
||
* @see uset_cloneAsThawed
|
||
* @stable ICU 3.8
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
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uset_isFrozen(const USet *set);
|
||
|
||
/**
|
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* Freeze the set (make it immutable).
|
||
* Once frozen, it cannot be unfrozen and is therefore thread-safe
|
||
* until it is deleted.
|
||
* See the ICU4J Freezable interface for details.
|
||
* Freezing the set may also make some operations faster, for example
|
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* uset_contains() and uset_span().
|
||
* A frozen set will not be modified. (It remains frozen.)
|
||
* @param set the set
|
||
* @return the same set, now frozen
|
||
* @see uset_isFrozen
|
||
* @see uset_cloneAsThawed
|
||
* @stable ICU 3.8
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_freeze(USet *set);
|
||
|
||
/**
|
||
* Clone the set and make the clone mutable.
|
||
* See the ICU4J Freezable interface for details.
|
||
* @param set the set
|
||
* @return the mutable clone
|
||
* @see uset_freeze
|
||
* @see uset_isFrozen
|
||
* @see uset_clone
|
||
* @stable ICU 3.8
|
||
*/
|
||
U_CAPI USet * U_EXPORT2
|
||
uset_cloneAsThawed(const USet *set);
|
||
|
||
/**
|
||
* Causes the USet object to represent the range <code>start - end</code>.
|
||
* If <code>start > end</code> then this USet is set to an empty range.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to set to the given range
|
||
* @param start first character in the set, inclusive
|
||
* @param end last character in the set, inclusive
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_set(USet* set,
|
||
UChar32 start, UChar32 end);
|
||
|
||
/**
|
||
* Modifies the set to represent the set specified by the given
|
||
* pattern. See the UnicodeSet class description for the syntax of
|
||
* the pattern language. See also the User Guide chapter about UnicodeSet.
|
||
* <em>Empties the set passed before applying the pattern.</em>
|
||
* A frozen set will not be modified.
|
||
* @param set The set to which the pattern is to be applied.
|
||
* @param pattern A pointer to UChar string specifying what characters are in the set.
|
||
* The character at pattern[0] must be a '['.
|
||
* @param patternLength The length of the UChar string. -1 if NUL terminated.
|
||
* @param options A bitmask for options to apply to the pattern.
|
||
* Valid options are USET_IGNORE_SPACE and
|
||
* at most one of USET_CASE_INSENSITIVE, USET_ADD_CASE_MAPPINGS,
|
||
* USET_SIMPLE_CASE_INSENSITIVE.
|
||
* These case options are mutually exclusive.
|
||
* @param status Returns an error if the pattern cannot be parsed.
|
||
* @return Upon successful parse, the value is either
|
||
* the index of the character after the closing ']'
|
||
* of the parsed pattern.
|
||
* If the status code indicates failure, then the return value
|
||
* is the index of the error in the source.
|
||
*
|
||
* @stable ICU 2.8
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_applyPattern(USet *set,
|
||
const UChar *pattern, int32_t patternLength,
|
||
uint32_t options,
|
||
UErrorCode *status);
|
||
|
||
/**
|
||
* Modifies the set to contain those code points which have the given value
|
||
* for the given binary or enumerated property, as returned by
|
||
* u_getIntPropertyValue. Prior contents of this set are lost.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to contain the code points defined by the property
|
||
*
|
||
* @param prop a property in the range UCHAR_BIN_START..UCHAR_BIN_LIMIT-1
|
||
* or UCHAR_INT_START..UCHAR_INT_LIMIT-1
|
||
* or UCHAR_MASK_START..UCHAR_MASK_LIMIT-1.
|
||
*
|
||
* @param value a value in the range u_getIntPropertyMinValue(prop)..
|
||
* u_getIntPropertyMaxValue(prop), with one exception. If prop is
|
||
* UCHAR_GENERAL_CATEGORY_MASK, then value should not be a UCharCategory, but
|
||
* rather a mask value produced by U_GET_GC_MASK(). This allows grouped
|
||
* categories such as [:L:] to be represented.
|
||
*
|
||
* @param ec error code input/output parameter
|
||
*
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_applyIntPropertyValue(USet* set,
|
||
UProperty prop, int32_t value, UErrorCode* ec);
|
||
|
||
/**
|
||
* Modifies the set to contain those code points which have the
|
||
* given value for the given property. Prior contents of this
|
||
* set are lost.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to contain the code points defined by the given
|
||
* property and value alias
|
||
*
|
||
* @param prop a string specifying a property alias, either short or long.
|
||
* The name is matched loosely. See PropertyAliases.txt for names and a
|
||
* description of loose matching. If the value string is empty, then this
|
||
* string is interpreted as either a General_Category value alias, a Script
|
||
* value alias, a binary property alias, or a special ID. Special IDs are
|
||
* matched loosely and correspond to the following sets:
|
||
*
|
||
* "ANY" = [\\u0000-\\U0010FFFF],
|
||
* "ASCII" = [\\u0000-\\u007F],
|
||
* "Assigned" = [:^Cn:].
|
||
*
|
||
* @param propLength the length of the prop, or -1 if NULL
|
||
*
|
||
* @param value a string specifying a value alias, either short or long.
|
||
* The name is matched loosely. See PropertyValueAliases.txt for names
|
||
* and a description of loose matching. In addition to aliases listed,
|
||
* numeric values and canonical combining classes may be expressed
|
||
* numerically, e.g., ("nv", "0.5") or ("ccc", "220"). The value string
|
||
* may also be empty.
|
||
*
|
||
* @param valueLength the length of the value, or -1 if NULL
|
||
*
|
||
* @param ec error code input/output parameter
|
||
*
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_applyPropertyAlias(USet* set,
|
||
const UChar *prop, int32_t propLength,
|
||
const UChar *value, int32_t valueLength,
|
||
UErrorCode* ec);
|
||
|
||
/**
|
||
* Return true if the given position, in the given pattern, appears
|
||
* to be the start of a UnicodeSet pattern.
|
||
*
|
||
* @param pattern a string specifying the pattern
|
||
* @param patternLength the length of the pattern, or -1 if NULL
|
||
* @param pos the given position
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_resemblesPattern(const UChar *pattern, int32_t patternLength,
|
||
int32_t pos);
|
||
|
||
/**
|
||
* Returns a string representation of this set. If the result of
|
||
* calling this function is passed to a uset_openPattern(), it
|
||
* will produce another set that is equal to this one.
|
||
* @param set the set
|
||
* @param result the string to receive the rules, may be NULL
|
||
* @param resultCapacity the capacity of result, may be 0 if result is NULL
|
||
* @param escapeUnprintable if true then convert unprintable
|
||
* character to their hex escape representations, \\uxxxx or
|
||
* \\Uxxxxxxxx. Unprintable characters are those other than
|
||
* U+000A, U+0020..U+007E.
|
||
* @param ec error code.
|
||
* @return length of string, possibly larger than resultCapacity
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_toPattern(const USet* set,
|
||
UChar* result, int32_t resultCapacity,
|
||
UBool escapeUnprintable,
|
||
UErrorCode* ec);
|
||
|
||
/**
|
||
* Adds the given character to the given USet. After this call,
|
||
* uset_contains(set, c) will return true.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to which to add the character
|
||
* @param c the character to add
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_add(USet* set, UChar32 c);
|
||
|
||
/**
|
||
* Adds all of the elements in the specified set to this set if
|
||
* they're not already present. This operation effectively
|
||
* modifies this set so that its value is the <i>union</i> of the two
|
||
* sets. The behavior of this operation is unspecified if the specified
|
||
* collection is modified while the operation is in progress.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to which to add the set
|
||
* @param additionalSet the source set whose elements are to be added to this set.
|
||
* @stable ICU 2.6
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_addAll(USet* set, const USet *additionalSet);
|
||
|
||
/**
|
||
* Adds the given range of characters to the given USet. After this call,
|
||
* uset_contains(set, start, end) will return true.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to which to add the character
|
||
* @param start the first character of the range to add, inclusive
|
||
* @param end the last character of the range to add, inclusive
|
||
* @stable ICU 2.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_addRange(USet* set, UChar32 start, UChar32 end);
|
||
|
||
/**
|
||
* Adds the given string to the given USet. After this call,
|
||
* uset_containsString(set, str, strLen) will return true.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to which to add the character
|
||
* @param str the string to add
|
||
* @param strLen the length of the string or -1 if null terminated.
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_addString(USet* set, const UChar* str, int32_t strLen);
|
||
|
||
/**
|
||
* Adds each of the characters in this string to the set. Note: "ch" => {"c", "h"}
|
||
* If this set already contains any particular character, it has no effect on that character.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to which to add the character
|
||
* @param str the source string
|
||
* @param strLen the length of the string or -1 if null terminated.
|
||
* @stable ICU 3.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_addAllCodePoints(USet* set, const UChar *str, int32_t strLen);
|
||
|
||
/**
|
||
* Removes the given character from the given USet. After this call,
|
||
* uset_contains(set, c) will return false.
|
||
* A frozen set will not be modified.
|
||
* @param set the object from which to remove the character
|
||
* @param c the character to remove
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_remove(USet* set, UChar32 c);
|
||
|
||
/**
|
||
* Removes the given range of characters from the given USet. After this call,
|
||
* uset_contains(set, start, end) will return false.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to which to add the character
|
||
* @param start the first character of the range to remove, inclusive
|
||
* @param end the last character of the range to remove, inclusive
|
||
* @stable ICU 2.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_removeRange(USet* set, UChar32 start, UChar32 end);
|
||
|
||
/**
|
||
* Removes the given string to the given USet. After this call,
|
||
* uset_containsString(set, str, strLen) will return false.
|
||
* A frozen set will not be modified.
|
||
* @param set the object to which to add the character
|
||
* @param str the string to remove
|
||
* @param strLen the length of the string or -1 if null terminated.
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_removeString(USet* set, const UChar* str, int32_t strLen);
|
||
|
||
/**
|
||
* Removes EACH of the characters in this string. Note: "ch" == {"c", "h"}
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to be modified
|
||
* @param str the string
|
||
* @param length the length of the string, or -1 if NUL-terminated
|
||
* @stable ICU 69
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_removeAllCodePoints(USet *set, const UChar *str, int32_t length);
|
||
|
||
/**
|
||
* Removes from this set all of its elements that are contained in the
|
||
* specified set. This operation effectively modifies this
|
||
* set so that its value is the <i>asymmetric set difference</i> of
|
||
* the two sets.
|
||
* A frozen set will not be modified.
|
||
* @param set the object from which the elements are to be removed
|
||
* @param removeSet the object that defines which elements will be
|
||
* removed from this set
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_removeAll(USet* set, const USet* removeSet);
|
||
|
||
/**
|
||
* Retain only the elements in this set that are contained in the
|
||
* specified range. If <code>start > end</code> then an empty range is
|
||
* retained, leaving the set empty. This is equivalent to
|
||
* a boolean logic AND, or a set INTERSECTION.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object for which to retain only the specified range
|
||
* @param start first character, inclusive, of range
|
||
* @param end last character, inclusive, of range
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_retain(USet* set, UChar32 start, UChar32 end);
|
||
|
||
/**
|
||
* Retains only the specified string from this set if it is present.
|
||
* Upon return this set will be empty if it did not contain s, or
|
||
* will only contain s if it did contain s.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to be modified
|
||
* @param str the string
|
||
* @param length the length of the string, or -1 if NUL-terminated
|
||
* @stable ICU 69
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_retainString(USet *set, const UChar *str, int32_t length);
|
||
|
||
/**
|
||
* Retains EACH of the characters in this string. Note: "ch" == {"c", "h"}
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to be modified
|
||
* @param str the string
|
||
* @param length the length of the string, or -1 if NUL-terminated
|
||
* @stable ICU 69
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_retainAllCodePoints(USet *set, const UChar *str, int32_t length);
|
||
|
||
/**
|
||
* Retains only the elements in this set that are contained in the
|
||
* specified set. In other words, removes from this set all of
|
||
* its elements that are not contained in the specified set. This
|
||
* operation effectively modifies this set so that its value is
|
||
* the <i>intersection</i> of the two sets.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object on which to perform the retain
|
||
* @param retain set that defines which elements this set will retain
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_retainAll(USet* set, const USet* retain);
|
||
|
||
/**
|
||
* Reallocate this objects internal structures to take up the least
|
||
* possible space, without changing this object's value.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object on which to perform the compact
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_compact(USet* set);
|
||
|
||
/**
|
||
* This is equivalent to
|
||
* <code>uset_complementRange(set, 0, 0x10FFFF)</code>.
|
||
*
|
||
* <strong>Note:</strong> This performs a symmetric difference with all code points
|
||
* <em>and thus retains all multicharacter strings</em>.
|
||
* In order to achieve a “code point complement” (all code points minus this set),
|
||
* the easiest is to <code>uset_complement(set); uset_removeAllStrings(set);</code>.
|
||
*
|
||
* A frozen set will not be modified.
|
||
* @param set the set
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_complement(USet* set);
|
||
|
||
/**
|
||
* Complements the specified range in this set. Any character in
|
||
* the range will be removed if it is in this set, or will be
|
||
* added if it is not in this set. If <code>start > end</code>
|
||
* then an empty range is complemented, leaving the set unchanged.
|
||
* This is equivalent to a boolean logic XOR.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to be modified
|
||
* @param start first character, inclusive, of range
|
||
* @param end last character, inclusive, of range
|
||
* @stable ICU 69
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_complementRange(USet *set, UChar32 start, UChar32 end);
|
||
|
||
/**
|
||
* Complements the specified string in this set.
|
||
* The string will be removed if it is in this set, or will be added if it is not in this set.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to be modified
|
||
* @param str the string
|
||
* @param length the length of the string, or -1 if NUL-terminated
|
||
* @stable ICU 69
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_complementString(USet *set, const UChar *str, int32_t length);
|
||
|
||
/**
|
||
* Complements EACH of the characters in this string. Note: "ch" == {"c", "h"}
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the object to be modified
|
||
* @param str the string
|
||
* @param length the length of the string, or -1 if NUL-terminated
|
||
* @stable ICU 69
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_complementAllCodePoints(USet *set, const UChar *str, int32_t length);
|
||
|
||
/**
|
||
* Complements in this set all elements contained in the specified
|
||
* set. Any character in the other set will be removed if it is
|
||
* in this set, or will be added if it is not in this set.
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the set with which to complement
|
||
* @param complement set that defines which elements will be xor'ed
|
||
* from this set.
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_complementAll(USet* set, const USet* complement);
|
||
|
||
/**
|
||
* Removes all of the elements from this set. This set will be
|
||
* empty after this call returns.
|
||
* A frozen set will not be modified.
|
||
* @param set the set
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_clear(USet* set);
|
||
|
||
/**
|
||
* Close this set over the given attribute. For the attribute
|
||
* USET_CASE_INSENSITIVE, the result is to modify this set so that:
|
||
*
|
||
* 1. For each character or string 'a' in this set, all strings or
|
||
* characters 'b' such that foldCase(a) == foldCase(b) are added
|
||
* to this set.
|
||
*
|
||
* 2. For each string 'e' in the resulting set, if e !=
|
||
* foldCase(e), 'e' will be removed.
|
||
*
|
||
* Example: [aq\\u00DF{Bc}{bC}{Fi}] => [aAqQ\\u00DF\\uFB01{ss}{bc}{fi}]
|
||
*
|
||
* (Here foldCase(x) refers to the operation u_strFoldCase, and a
|
||
* == b denotes that the contents are the same, not pointer
|
||
* comparison.)
|
||
*
|
||
* A frozen set will not be modified.
|
||
*
|
||
* @param set the set
|
||
*
|
||
* @param attributes bitmask for attributes to close over.
|
||
* Valid options:
|
||
* At most one of USET_CASE_INSENSITIVE, USET_ADD_CASE_MAPPINGS, USET_SIMPLE_CASE_INSENSITIVE.
|
||
* These case options are mutually exclusive.
|
||
* Unrelated options bits are ignored.
|
||
* @stable ICU 4.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_closeOver(USet* set, int32_t attributes);
|
||
|
||
/**
|
||
* Remove all strings from this set.
|
||
*
|
||
* @param set the set
|
||
* @stable ICU 4.2
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_removeAllStrings(USet* set);
|
||
|
||
/**
|
||
* Returns true if the given USet contains no characters and no
|
||
* strings.
|
||
* @param set the set
|
||
* @return true if set is empty
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_isEmpty(const USet* set);
|
||
|
||
/**
|
||
* @param set the set
|
||
* @return true if this set contains multi-character strings or the empty string.
|
||
* @stable ICU 70
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_hasStrings(const USet *set);
|
||
|
||
/**
|
||
* Returns true if the given USet contains the given character.
|
||
* This function works faster with a frozen set.
|
||
* @param set the set
|
||
* @param c The codepoint to check for within the set
|
||
* @return true if set contains c
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_contains(const USet* set, UChar32 c);
|
||
|
||
/**
|
||
* Returns true if the given USet contains all characters c
|
||
* where start <= c && c <= end.
|
||
* @param set the set
|
||
* @param start the first character of the range to test, inclusive
|
||
* @param end the last character of the range to test, inclusive
|
||
* @return true if set contains the range
|
||
* @stable ICU 2.2
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_containsRange(const USet* set, UChar32 start, UChar32 end);
|
||
|
||
/**
|
||
* Returns true if the given USet contains the given string.
|
||
* @param set the set
|
||
* @param str the string
|
||
* @param strLen the length of the string or -1 if null terminated.
|
||
* @return true if set contains str
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_containsString(const USet* set, const UChar* str, int32_t strLen);
|
||
|
||
/**
|
||
* Returns the index of the given character within this set, where
|
||
* the set is ordered by ascending code point. If the character
|
||
* is not in this set, return -1. The inverse of this method is
|
||
* <code>charAt()</code>.
|
||
* @param set the set
|
||
* @param c the character to obtain the index for
|
||
* @return an index from 0..size()-1, or -1
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_indexOf(const USet* set, UChar32 c);
|
||
|
||
/**
|
||
* Returns the character at the given index within this set, where
|
||
* the set is ordered by ascending code point. If the index is
|
||
* out of range for characters, returns (UChar32)-1.
|
||
* The inverse of this method is <code>indexOf()</code>.
|
||
*
|
||
* For iteration, this is slower than uset_getRangeCount()/uset_getItemCount()
|
||
* with uset_getItem(), because for each call it skips linearly over <code>index</code>
|
||
* characters in the ranges.
|
||
*
|
||
* @param set the set
|
||
* @param charIndex an index from 0..size()-1 to obtain the char for
|
||
* @return the character at the given index, or (UChar32)-1.
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI UChar32 U_EXPORT2
|
||
uset_charAt(const USet* set, int32_t charIndex);
|
||
|
||
/**
|
||
* Returns the number of characters and strings contained in this set.
|
||
* The last (uset_getItemCount() - uset_getRangeCount()) items are strings.
|
||
*
|
||
* This is slower than uset_getRangeCount() and uset_getItemCount() because
|
||
* it counts the code points of all ranges.
|
||
*
|
||
* @param set the set
|
||
* @return a non-negative integer counting the characters and strings
|
||
* contained in set
|
||
* @stable ICU 2.4
|
||
* @see uset_getRangeCount
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_size(const USet* set);
|
||
|
||
/**
|
||
* @param set the set
|
||
* @return the number of ranges in this set.
|
||
* @stable ICU 70
|
||
* @see uset_getItemCount
|
||
* @see uset_getItem
|
||
* @see uset_size
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_getRangeCount(const USet *set);
|
||
|
||
/**
|
||
* Returns the number of items in this set. An item is either a range
|
||
* of characters or a single multicharacter string.
|
||
* @param set the set
|
||
* @return a non-negative integer counting the character ranges
|
||
* and/or strings contained in set
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_getItemCount(const USet* set);
|
||
|
||
/**
|
||
* Returns an item of this set. An item is either a range of
|
||
* characters or a single multicharacter string (which can be the empty string).
|
||
*
|
||
* If <code>itemIndex</code> is less than uset_getRangeCount(), then this function returns 0,
|
||
* and the range is <code>*start</code>..<code>*end</code>.
|
||
*
|
||
* If <code>itemIndex</code> is at least uset_getRangeCount() and less than uset_getItemCount(), then
|
||
* this function copies the string into <code>str[strCapacity]</code> and
|
||
* returns the length of the string (0 for the empty string).
|
||
*
|
||
* If <code>itemIndex</code> is out of range, then this function returns -1.
|
||
*
|
||
* Note that 0 is returned for each range as well as for the empty string.
|
||
*
|
||
* @param set the set
|
||
* @param itemIndex a non-negative integer in the range 0..uset_getItemCount(set)-1
|
||
* @param start pointer to variable to receive first character in range, inclusive;
|
||
* can be NULL for a string item
|
||
* @param end pointer to variable to receive last character in range, inclusive;
|
||
* can be NULL for a string item
|
||
* @param str buffer to receive the string, may be NULL
|
||
* @param strCapacity capacity of str, or 0 if str is NULL
|
||
* @param ec error code; U_INDEX_OUTOFBOUNDS_ERROR if the itemIndex is out of range
|
||
* @return the length of the string (0 or >= 2), or 0 if the item is a range,
|
||
* or -1 if the itemIndex is out of range
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_getItem(const USet* set, int32_t itemIndex,
|
||
UChar32* start, UChar32* end,
|
||
UChar* str, int32_t strCapacity,
|
||
UErrorCode* ec);
|
||
|
||
/**
|
||
* Returns true if set1 contains all the characters and strings
|
||
* of set2. It answers the question, 'Is set1 a superset of set2?'
|
||
* @param set1 set to be checked for containment
|
||
* @param set2 set to be checked for containment
|
||
* @return true if the test condition is met
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_containsAll(const USet* set1, const USet* set2);
|
||
|
||
/**
|
||
* Returns true if this set contains all the characters
|
||
* of the given string. This is does not check containment of grapheme
|
||
* clusters, like uset_containsString.
|
||
* @param set set of characters to be checked for containment
|
||
* @param str string containing codepoints to be checked for containment
|
||
* @param strLen the length of the string or -1 if null terminated.
|
||
* @return true if the test condition is met
|
||
* @stable ICU 3.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_containsAllCodePoints(const USet* set, const UChar *str, int32_t strLen);
|
||
|
||
/**
|
||
* Returns true if set1 contains none of the characters and strings
|
||
* of set2. It answers the question, 'Is set1 a disjoint set of set2?'
|
||
* @param set1 set to be checked for containment
|
||
* @param set2 set to be checked for containment
|
||
* @return true if the test condition is met
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_containsNone(const USet* set1, const USet* set2);
|
||
|
||
/**
|
||
* Returns true if set1 contains some of the characters and strings
|
||
* of set2. It answers the question, 'Does set1 and set2 have an intersection?'
|
||
* @param set1 set to be checked for containment
|
||
* @param set2 set to be checked for containment
|
||
* @return true if the test condition is met
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_containsSome(const USet* set1, const USet* set2);
|
||
|
||
/**
|
||
* Returns the length of the initial substring of the input string which
|
||
* consists only of characters and strings that are contained in this set
|
||
* (USET_SPAN_CONTAINED, USET_SPAN_SIMPLE),
|
||
* or only of characters and strings that are not contained
|
||
* in this set (USET_SPAN_NOT_CONTAINED).
|
||
* See USetSpanCondition for details.
|
||
* Similar to the strspn() C library function.
|
||
* Unpaired surrogates are treated according to contains() of their surrogate code points.
|
||
* This function works faster with a frozen set and with a non-negative string length argument.
|
||
* @param set the set
|
||
* @param s start of the string
|
||
* @param length of the string; can be -1 for NUL-terminated
|
||
* @param spanCondition specifies the containment condition
|
||
* @return the length of the initial substring according to the spanCondition;
|
||
* 0 if the start of the string does not fit the spanCondition
|
||
* @stable ICU 3.8
|
||
* @see USetSpanCondition
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_span(const USet *set, const UChar *s, int32_t length, USetSpanCondition spanCondition);
|
||
|
||
/**
|
||
* Returns the start of the trailing substring of the input string which
|
||
* consists only of characters and strings that are contained in this set
|
||
* (USET_SPAN_CONTAINED, USET_SPAN_SIMPLE),
|
||
* or only of characters and strings that are not contained
|
||
* in this set (USET_SPAN_NOT_CONTAINED).
|
||
* See USetSpanCondition for details.
|
||
* Unpaired surrogates are treated according to contains() of their surrogate code points.
|
||
* This function works faster with a frozen set and with a non-negative string length argument.
|
||
* @param set the set
|
||
* @param s start of the string
|
||
* @param length of the string; can be -1 for NUL-terminated
|
||
* @param spanCondition specifies the containment condition
|
||
* @return the start of the trailing substring according to the spanCondition;
|
||
* the string length if the end of the string does not fit the spanCondition
|
||
* @stable ICU 3.8
|
||
* @see USetSpanCondition
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_spanBack(const USet *set, const UChar *s, int32_t length, USetSpanCondition spanCondition);
|
||
|
||
/**
|
||
* Returns the length of the initial substring of the input string which
|
||
* consists only of characters and strings that are contained in this set
|
||
* (USET_SPAN_CONTAINED, USET_SPAN_SIMPLE),
|
||
* or only of characters and strings that are not contained
|
||
* in this set (USET_SPAN_NOT_CONTAINED).
|
||
* See USetSpanCondition for details.
|
||
* Similar to the strspn() C library function.
|
||
* Malformed byte sequences are treated according to contains(0xfffd).
|
||
* This function works faster with a frozen set and with a non-negative string length argument.
|
||
* @param set the set
|
||
* @param s start of the string (UTF-8)
|
||
* @param length of the string; can be -1 for NUL-terminated
|
||
* @param spanCondition specifies the containment condition
|
||
* @return the length of the initial substring according to the spanCondition;
|
||
* 0 if the start of the string does not fit the spanCondition
|
||
* @stable ICU 3.8
|
||
* @see USetSpanCondition
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_spanUTF8(const USet *set, const char *s, int32_t length, USetSpanCondition spanCondition);
|
||
|
||
/**
|
||
* Returns the start of the trailing substring of the input string which
|
||
* consists only of characters and strings that are contained in this set
|
||
* (USET_SPAN_CONTAINED, USET_SPAN_SIMPLE),
|
||
* or only of characters and strings that are not contained
|
||
* in this set (USET_SPAN_NOT_CONTAINED).
|
||
* See USetSpanCondition for details.
|
||
* Malformed byte sequences are treated according to contains(0xfffd).
|
||
* This function works faster with a frozen set and with a non-negative string length argument.
|
||
* @param set the set
|
||
* @param s start of the string (UTF-8)
|
||
* @param length of the string; can be -1 for NUL-terminated
|
||
* @param spanCondition specifies the containment condition
|
||
* @return the start of the trailing substring according to the spanCondition;
|
||
* the string length if the end of the string does not fit the spanCondition
|
||
* @stable ICU 3.8
|
||
* @see USetSpanCondition
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_spanBackUTF8(const USet *set, const char *s, int32_t length, USetSpanCondition spanCondition);
|
||
|
||
/**
|
||
* Returns true if set1 contains all of the characters and strings
|
||
* of set2, and vis versa. It answers the question, 'Is set1 equal to set2?'
|
||
* @param set1 set to be checked for containment
|
||
* @param set2 set to be checked for containment
|
||
* @return true if the test condition is met
|
||
* @stable ICU 3.2
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_equals(const USet* set1, const USet* set2);
|
||
|
||
/*********************************************************************
|
||
* Serialized set API
|
||
*********************************************************************/
|
||
|
||
/**
|
||
* Serializes this set into an array of 16-bit integers. Serialization
|
||
* (currently) only records the characters in the set; multicharacter
|
||
* strings are ignored.
|
||
*
|
||
* The array
|
||
* has following format (each line is one 16-bit integer):
|
||
*
|
||
* length = (n+2*m) | (m!=0?0x8000:0)
|
||
* bmpLength = n; present if m!=0
|
||
* bmp[0]
|
||
* bmp[1]
|
||
* ...
|
||
* bmp[n-1]
|
||
* supp-high[0]
|
||
* supp-low[0]
|
||
* supp-high[1]
|
||
* supp-low[1]
|
||
* ...
|
||
* supp-high[m-1]
|
||
* supp-low[m-1]
|
||
*
|
||
* The array starts with a header. After the header are n bmp
|
||
* code points, then m supplementary code points. Either n or m
|
||
* or both may be zero. n+2*m is always <= 0x7FFF.
|
||
*
|
||
* If there are no supplementary characters (if m==0) then the
|
||
* header is one 16-bit integer, 'length', with value n.
|
||
*
|
||
* If there are supplementary characters (if m!=0) then the header
|
||
* is two 16-bit integers. The first, 'length', has value
|
||
* (n+2*m)|0x8000. The second, 'bmpLength', has value n.
|
||
*
|
||
* After the header the code points are stored in ascending order.
|
||
* Supplementary code points are stored as most significant 16
|
||
* bits followed by least significant 16 bits.
|
||
*
|
||
* @param set the set
|
||
* @param dest pointer to buffer of destCapacity 16-bit integers.
|
||
* May be NULL only if destCapacity is zero.
|
||
* @param destCapacity size of dest, or zero. Must not be negative.
|
||
* @param pErrorCode pointer to the error code. Will be set to
|
||
* U_INDEX_OUTOFBOUNDS_ERROR if n+2*m > 0x7FFF. Will be set to
|
||
* U_BUFFER_OVERFLOW_ERROR if n+2*m+(m!=0?2:1) > destCapacity.
|
||
* @return the total length of the serialized format, including
|
||
* the header, that is, n+2*m+(m!=0?2:1), or 0 on error other
|
||
* than U_BUFFER_OVERFLOW_ERROR.
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_serialize(const USet* set, uint16_t* dest, int32_t destCapacity, UErrorCode* pErrorCode);
|
||
|
||
/**
|
||
* Given a serialized array, fill in the given serialized set object.
|
||
* @param fillSet pointer to result
|
||
* @param src pointer to start of array
|
||
* @param srcLength length of array
|
||
* @return true if the given array is valid, otherwise false
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_getSerializedSet(USerializedSet* fillSet, const uint16_t* src, int32_t srcLength);
|
||
|
||
/**
|
||
* Set the USerializedSet to contain the given character (and nothing
|
||
* else).
|
||
* @param fillSet pointer to result
|
||
* @param c The codepoint to set
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI void U_EXPORT2
|
||
uset_setSerializedToOne(USerializedSet* fillSet, UChar32 c);
|
||
|
||
/**
|
||
* Returns true if the given USerializedSet contains the given
|
||
* character.
|
||
* @param set the serialized set
|
||
* @param c The codepoint to check for within the set
|
||
* @return true if set contains c
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_serializedContains(const USerializedSet* set, UChar32 c);
|
||
|
||
/**
|
||
* Returns the number of disjoint ranges of characters contained in
|
||
* the given serialized set. Ignores any strings contained in the
|
||
* set.
|
||
* @param set the serialized set
|
||
* @return a non-negative integer counting the character ranges
|
||
* contained in set
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI int32_t U_EXPORT2
|
||
uset_getSerializedRangeCount(const USerializedSet* set);
|
||
|
||
/**
|
||
* Returns a range of characters contained in the given serialized
|
||
* set.
|
||
* @param set the serialized set
|
||
* @param rangeIndex a non-negative integer in the range 0..
|
||
* uset_getSerializedRangeCount(set)-1
|
||
* @param pStart pointer to variable to receive first character
|
||
* in range, inclusive
|
||
* @param pEnd pointer to variable to receive last character in range,
|
||
* inclusive
|
||
* @return true if rangeIndex is valid, otherwise false
|
||
* @stable ICU 2.4
|
||
*/
|
||
U_CAPI UBool U_EXPORT2
|
||
uset_getSerializedRange(const USerializedSet* set, int32_t rangeIndex,
|
||
UChar32* pStart, UChar32* pEnd);
|
||
|
||
#endif
|