Merge pull request #76860 from AThousandShips/zip_file_exists

Add function `ZIPReader::file_exists`
This commit is contained in:
Rémi Verschelde 2023-08-16 16:53:06 +02:00
commit 3518a30674
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3 changed files with 26 additions and 0 deletions

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@ -25,6 +25,15 @@
Closes the underlying resources used by this instance.
</description>
</method>
<method name="file_exists">
<return type="bool" />
<param index="0" name="path" type="String" />
<param index="1" name="case_sensitive" type="bool" default="true" />
<description>
Returns [code]true[/code] if the file exists in the loaded zip archive.
Must be called after [method open].
</description>
</method>
<method name="get_files">
<return type="PackedStringArray" />
<description>

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@ -118,6 +118,21 @@ PackedByteArray ZIPReader::read_file(String p_path, bool p_case_sensitive) {
return data;
}
bool ZIPReader::file_exists(String p_path, bool p_case_sensitive) {
ERR_FAIL_COND_V_MSG(fa.is_null(), false, "ZIPReader must be opened before use.");
int cs = p_case_sensitive ? 1 : 2;
if (unzLocateFile(uzf, p_path.utf8().get_data(), cs) != UNZ_OK) {
return false;
}
if (unzOpenCurrentFile(uzf) != UNZ_OK) {
return false;
}
unzCloseCurrentFile(uzf);
return true;
}
ZIPReader::ZIPReader() {}
ZIPReader::~ZIPReader() {
@ -131,4 +146,5 @@ void ZIPReader::_bind_methods() {
ClassDB::bind_method(D_METHOD("close"), &ZIPReader::close);
ClassDB::bind_method(D_METHOD("get_files"), &ZIPReader::get_files);
ClassDB::bind_method(D_METHOD("read_file", "path", "case_sensitive"), &ZIPReader::read_file, DEFVAL(Variant(true)));
ClassDB::bind_method(D_METHOD("file_exists", "path", "case_sensitive"), &ZIPReader::file_exists, DEFVAL(Variant(true)));
}

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@ -51,6 +51,7 @@ public:
PackedStringArray get_files();
PackedByteArray read_file(String p_path, bool p_case_sensitive);
bool file_exists(String p_path, bool p_case_sensitive);
ZIPReader();
~ZIPReader();