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return i + 4;
}
i += 4 + currentSize;
}
*size = 0;
return OF_NOT_FOUND;
return OFNotFound;
}
@implementation OFZIPArchiveEntry
+ (instancetype)entryWithFileName: (OFString *)fileName
{
return [[[self alloc] initWithFileName: fileName] autorelease];
}
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{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFMutableData *extraField = nil;
uint16_t fileNameLength, extraFieldLength, fileCommentLength;
of_string_encoding_t encoding;
OFStringEncoding encoding;
size_t ZIP64Index;
uint16_t ZIP64Size;
if ([stream readLittleEndianInt32] != 0x02014B50)
@throw [OFInvalidFormatException exception];
_versionMadeBy = [stream readLittleEndianInt16];
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fileCommentLength = [stream readLittleEndianInt16];
_startDiskNumber = [stream readLittleEndianInt16];
_internalAttributes = [stream readLittleEndianInt16];
_versionSpecificAttributes = [stream readLittleEndianInt32];
_localFileHeaderOffset = [stream readLittleEndianInt32];
encoding = (_generalPurposeBitFlag & (1u << 11)
? OF_STRING_ENCODING_UTF_8
? OFStringEncodingUTF8 : OFStringEncodingCodepage437);
: OF_STRING_ENCODING_CODEPAGE_437);
_fileName = [[stream readStringWithLength: fileNameLength
encoding: encoding] copy];
if (extraFieldLength > 0)
extraField = [[[stream readDataWithCount:
extraFieldLength] mutableCopy] autorelease];
if (fileCommentLength > 0)
_fileComment = [[stream
readStringWithLength: fileCommentLength
encoding: encoding] copy];
ZIP64Index = of_zip_archive_entry_extra_field_find(extraField,
OF_ZIP_ARCHIVE_ENTRY_EXTRA_FIELD_ZIP64, &ZIP64Size);
if (ZIP64Index != OF_NOT_FOUND) {
if (ZIP64Index != OFNotFound) {
const uint8_t *ZIP64 =
[extraField itemAtIndex: ZIP64Index];
of_range_t range =
of_range(ZIP64Index - 4, ZIP64Size + 4);
OFRange range =
OFMakeRange(ZIP64Index - 4, ZIP64Size + 4);
if (_uncompressedSize == 0xFFFFFFFF)
_uncompressedSize = of_zip_archive_read_field64(
&ZIP64, &ZIP64Size);
if (_compressedSize == 0xFFFFFFFF)
_compressedSize = of_zip_archive_read_field64(
&ZIP64, &ZIP64Size);
|