/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#import "OFString_UTF8.h"
#import "OFMutableString_UTF8.h"
#import "OFArray.h"
#import "OFAutoreleasePool.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
#import "OFInvalidFormatException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
#import "of_asprintf.h"
#import "unicode.h"
extern const uint16_t of_iso_8859_15[256];
extern const uint16_t of_windows_1252[256];
static inline int
memcasecmp(const char *first, const char *second, size_t length)
{
size_t i;
for (i = 0; i < length; i++) {
if (tolower((int)first[i]) > tolower((int)second[i]))
return OF_ORDERED_DESCENDING;
if (tolower((int)first[i]) < tolower((int)second[i]))
return OF_ORDERED_ASCENDING;
}
return OF_ORDERED_SAME;
}
@implementation OFString_UTF8
- init
{
self = [super init];
@try {
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
s->cString = [self allocMemoryWithSize: 1];
s->cString[0] = '\0';
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
length: (size_t)cStringLength
{
self = [super init];
@try {
size_t i, j;
const uint16_t *table;
if (encoding == OF_STRING_ENCODING_UTF_8 &&
cStringLength >= 3 && !memcmp(cString, "\xEF\xBB\xBF", 3)) {
cString += 3;
cStringLength -= 3;
}
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
s->cString = [self allocMemoryWithSize: cStringLength + 1];
s->cStringLength = cStringLength;
if (encoding == OF_STRING_ENCODING_UTF_8 ||
encoding == OF_STRING_ENCODING_ASCII) {
switch (of_string_check_utf8(cString, cStringLength,
&s->length)) {
case 1:
if (encoding == OF_STRING_ENCODING_ASCII)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
s->UTF8 = YES;
break;
case -1:
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
memcpy(s->cString, cString, cStringLength);
s->cString[cStringLength] = 0;
return self;
}
/* All other encodings we support are single byte encodings */
s->length = cStringLength;
if (encoding == OF_STRING_ENCODING_ISO_8859_1) {
for (i = j = 0; i < cStringLength; i++) {
char buffer[4];
size_t bytes;
if (!(cString[i] & 0x80)) {
s->cString[j++] = cString[i];
continue;
}
s->UTF8 = YES;
bytes = of_string_unicode_to_utf8(
(uint8_t)cString[i], buffer);
if (bytes == 0)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
s->cStringLength += bytes - 1;
s->cString = [self
resizeMemory: s->cString
toSize: s->cStringLength + 1];
memcpy(s->cString + j, buffer, bytes);
j += bytes;
}
s->cString[s->cStringLength] = 0;
return self;
}
switch (encoding) {
case OF_STRING_ENCODING_ISO_8859_15:
table = of_iso_8859_15;
break;
case OF_STRING_ENCODING_WINDOWS_1252:
table = of_windows_1252;
break;
default:
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
for (i = j = 0; i < cStringLength; i++) {
char buffer[4];
of_unichar_t character;
size_t characterBytes;
if (!(cString[i] & 0x80)) {
s->cString[j++] = cString[i];
continue;
}
character = table[(uint8_t)cString[i]];
if (character == 0xFFFD)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
s->UTF8 = YES;
characterBytes = of_string_unicode_to_utf8(character,
buffer);
if (characterBytes == 0)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
s->cStringLength += characterBytes - 1;
s->cString = [self resizeMemory: s->cString
toSize: s->cStringLength + 1];
memcpy(s->cString + j, buffer, characterBytes);
j += characterBytes;
}
s->cString[s->cStringLength] = 0;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithString: (OFString*)string
{
self = [super init];
@try {
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
s->cStringLength = [string UTF8StringLength];
if ([string isKindOfClass: [OFString_UTF8 class]] ||
[string isKindOfClass: [OFMutableString_UTF8 class]])
s->UTF8 = ((OFString_UTF8*)string)->s->UTF8;
else
s->UTF8 = YES;
s->length = [string length];
s->cString = [self allocMemoryWithSize: s->cStringLength + 1];
memcpy(s->cString, [string UTF8String], s->cStringLength + 1);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithUnicodeString: (const of_unichar_t*)string
byteOrder: (of_endianess_t)byteOrder
length: (size_t)length
{
self = [super init];
@try {
size_t i, j = 0;
BOOL swap = NO;
if (length > 0 && *string == 0xFEFF) {
string++;
length--;
} else if (length > 0 && *string == 0xFFFE0000) {
swap = YES;
string++;
length--;
} else if (byteOrder != OF_ENDIANESS_NATIVE)
swap = YES;
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
s->cStringLength = length;
s->cString = [self allocMemoryWithSize: (length * 4) + 1];
s->length = length;
for (i = 0; i < length; i++) {
char buffer[4];
size_t characterLen = of_string_unicode_to_utf8(
(swap ? of_bswap32(string[i]) : string[i]),
buffer);
switch (characterLen) {
case 1:
s->cString[j++] = buffer[0];
break;
case 2:
s->UTF8 = YES;
s->cStringLength++;
memcpy(s->cString + j, buffer, 2);
j += 2;
break;
case 3:
s->UTF8 = YES;
s->cStringLength += 2;
memcpy(s->cString + j, buffer, 3);
j += 3;
break;
case 4:
s->UTF8 = YES;
s->cStringLength += 3;
memcpy(s->cString + j, buffer, 4);
j += 4;
break;
default:
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
}
s->cString[j] = '\0';
@try {
s->cString = [self resizeMemory: s->cString
toSize: s->cStringLength + 1];
} @catch (OFOutOfMemoryException *e) {
/* We don't care, as we only tried to make it smaller */
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithUTF16String: (const uint16_t*)string
byteOrder: (of_endianess_t)byteOrder
length: (size_t)length
{
self = [super init];
@try {
size_t i, j = 0;
BOOL swap = NO;
if (length > 0 && *string == 0xFEFF) {
string++;
length--;
} else if (length > 0 && *string == 0xFFFE) {
swap = YES;
string++;
length--;
} else if (byteOrder != OF_ENDIANESS_NATIVE)
swap = YES;
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
s->cStringLength = length;
s->cString = [self allocMemoryWithSize: (length * 4) + 1];
s->length = length;
for (i = 0; i < length; i++) {
char buffer[4];
of_unichar_t character =
(swap ? of_bswap16(string[i]) : string[i]);
size_t characterLen;
/* Missing high surrogate */
if ((character & 0xFC00) == 0xDC00)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
if ((character & 0xFC00) == 0xD800) {
uint16_t nextCharacter;
if (length <= i + 1)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
nextCharacter = (swap
? of_bswap16(string[i + 1])
: string[i + 1]);
character = (((character & 0x3FF) << 10) |
(nextCharacter & 0x3FF)) + 0x10000;
i++;
s->cStringLength--;
s->length--;
}
characterLen = of_string_unicode_to_utf8(
character, buffer);
switch (characterLen) {
case 1:
s->cString[j++] = buffer[0];
break;
case 2:
s->UTF8 = YES;
s->cStringLength++;
memcpy(s->cString + j, buffer, 2);
j += 2;
break;
case 3:
s->UTF8 = YES;
s->cStringLength += 2;
memcpy(s->cString + j, buffer, 3);
j += 3;
break;
case 4:
s->UTF8 = YES;
s->cStringLength += 3;
memcpy(s->cString + j, buffer, 4);
j += 4;
break;
default:
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
}
s->cString[j] = '\0';
@try {
s->cString = [self resizeMemory: s->cString
toSize: s->cStringLength + 1];
} @catch (OFOutOfMemoryException *e) {
/* We don't care, as we only tried to make it smaller */
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithFormat: (OFConstantString*)format
arguments: (va_list)arguments
{
self = [super init];
@try {
int cStringLength;
if (format == nil)
@throw [OFInvalidArgumentException
exceptionWithClass: isa
selector: _cmd];
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
if ((cStringLength = of_vasprintf(&s->cString,
[format UTF8String], arguments)) == -1)
@throw [OFInvalidFormatException
exceptionWithClass: isa];
s->cStringLength = cStringLength;
@try {
switch (of_string_check_utf8(s->cString,
cStringLength, &s->length)) {
case 1:
s->UTF8 = YES;
break;
case -1:
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
[self addMemoryToPool: s->cString];
} @catch (id e) {
free(s->cString);
@throw e;
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithPath: (OFString*)firstComponent
arguments: (va_list)arguments
{
self = [super init];
@try {
OFString *component;
size_t i, cStringLength;
va_list argumentsCopy;
s = [self allocMemoryWithSize: sizeof(*s)];
memset(s, 0, sizeof(*s));
s->cStringLength = [firstComponent UTF8StringLength];
if ([firstComponent isKindOfClass: [OFString_UTF8 class]] ||
[firstComponent isKindOfClass:
[OFMutableString_UTF8 class]])
s->UTF8 = ((OFString_UTF8*)firstComponent)->s->UTF8;
else
s->UTF8 = YES;
s->length = [firstComponent length];
/* Calculate length and see if we need UTF-8 */
va_copy(argumentsCopy, arguments);
while ((component = va_arg(argumentsCopy, OFString*)) != nil) {
s->cStringLength += 1 + [component UTF8StringLength];
s->length += 1 + [component length];
if ([component isKindOfClass: [OFString_UTF8 class]] ||
[component isKindOfClass:
[OFMutableString_UTF8 class]])
s->UTF8 = ((OFString_UTF8*)component)->s->UTF8;
else
s->UTF8 = YES;
}
s->cString = [self allocMemoryWithSize: s->cStringLength + 1];
cStringLength = [firstComponent UTF8StringLength];
memcpy(s->cString, [firstComponent UTF8String], cStringLength);
i = cStringLength;
while ((component = va_arg(arguments, OFString*)) != nil) {
cStringLength = [component UTF8StringLength];
s->cString[i] = OF_PATH_DELIMITER;
memcpy(s->cString + i + 1, [component UTF8String],
cStringLength);
i += 1 + cStringLength;
}
s->cString[i] = '\0';
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (const char*)UTF8String
{
return s->cString;
}
- (const char*)cStringWithEncoding: (of_string_encoding_t)encoding
{
switch (encoding) {
case OF_STRING_ENCODING_UTF_8:
return s->cString;
case OF_STRING_ENCODING_ASCII:
if (s->UTF8)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
return s->cString;
default:
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
}
- (size_t)length
{
return s->length;
}
- (size_t)UTF8StringLength
{
return s->cStringLength;
}
- (size_t)cStringLengthWithEncoding: (of_string_encoding_t)encoding
{
switch (encoding) {
case OF_STRING_ENCODING_UTF_8:
return s->cStringLength;
case OF_STRING_ENCODING_ASCII:
if (s->UTF8)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
return s->cStringLength;
default:
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
}
- (BOOL)isEqual: (id)object
{
OFString_UTF8 *otherString;
if (object == self)
return YES;
if (![object isKindOfClass: [OFString class]])
return NO;
otherString = object;
if ([otherString UTF8StringLength] != s->cStringLength ||
[otherString length] != s->length)
return NO;
if (strcmp(s->cString, [otherString UTF8String]))
return NO;
return YES;
}
- (of_comparison_result_t)compare: (id)object
{
OFString *otherString;
size_t otherCStringLength, minimumCStringLength;
int compare;
if (object == self)
return OF_ORDERED_SAME;
if (![object isKindOfClass: [OFString class]])
@throw [OFInvalidArgumentException exceptionWithClass: isa
selector: _cmd];
otherString = object;
otherCStringLength = [otherString UTF8StringLength];
minimumCStringLength = (s->cStringLength > otherCStringLength
? otherCStringLength : s->cStringLength);
if ((compare = memcmp(s->cString, [otherString UTF8String],
minimumCStringLength)) == 0) {
if (s->cStringLength > otherCStringLength)
return OF_ORDERED_DESCENDING;
if (s->cStringLength < otherCStringLength)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
if (compare > 0)
return OF_ORDERED_DESCENDING;
else
return OF_ORDERED_ASCENDING;
}
- (of_comparison_result_t)caseInsensitiveCompare: (OFString*)otherString
{
const char *otherCString;
size_t i, j, otherCStringLength, minimumCStringLength;
int compare;
if (otherString == self)
return OF_ORDERED_SAME;
if (![otherString isKindOfClass: [OFString class]])
@throw [OFInvalidArgumentException exceptionWithClass: isa
selector: _cmd];
otherCString = [otherString UTF8String];
otherCStringLength = [otherString UTF8StringLength];
if (!s->UTF8) {
minimumCStringLength = (s->cStringLength > otherCStringLength
? otherCStringLength : s->cStringLength);
if ((compare = memcasecmp(s->cString, otherCString,
minimumCStringLength)) == 0) {
if (s->cStringLength > otherCStringLength)
return OF_ORDERED_DESCENDING;
if (s->cStringLength < otherCStringLength)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
if (compare > 0)
return OF_ORDERED_DESCENDING;
else
return OF_ORDERED_ASCENDING;
}
i = j = 0;
while (i < s->cStringLength && j < otherCStringLength) {
of_unichar_t c1, c2;
size_t l1, l2;
l1 = of_string_utf8_to_unicode(s->cString + i,
s->cStringLength - i, &c1);
l2 = of_string_utf8_to_unicode(otherCString + j,
otherCStringLength - j, &c2);
if (l1 == 0 || l2 == 0 || c1 > 0x10FFFF || c2 > 0x10FFFF)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
if (c1 >> 8 < OF_UNICODE_CASEFOLDING_TABLE_SIZE) {
of_unichar_t tc =
of_unicode_casefolding_table[c1 >> 8][c1 & 0xFF];
if (tc)
c1 = tc;
}
if (c2 >> 8 < OF_UNICODE_CASEFOLDING_TABLE_SIZE) {
of_unichar_t tc =
of_unicode_casefolding_table[c2 >> 8][c2 & 0xFF];
if (tc)
c2 = tc;
}
if (c1 > c2)
return OF_ORDERED_DESCENDING;
if (c1 < c2)
return OF_ORDERED_ASCENDING;
i += l1;
j += l2;
}
if (s->cStringLength - i > otherCStringLength - j)
return OF_ORDERED_DESCENDING;
else if (s->cStringLength - i < otherCStringLength - j)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
- (uint32_t)hash
{
size_t i;
uint32_t hash;
if (s->hashed)
return s->hash;
OF_HASH_INIT(hash);
for (i = 0; i < s->cStringLength; i++) {
of_unichar_t c;
size_t length;
if ((length = of_string_utf8_to_unicode(s->cString + i,
s->cStringLength - i, &c)) == 0)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
OF_HASH_ADD(hash, (c & 0xFF0000) >> 16);
OF_HASH_ADD(hash, (c & 0x00FF00) >> 8);
OF_HASH_ADD(hash, c & 0x0000FF);
i += length - 1;
}
OF_HASH_FINALIZE(hash);
s->hash = hash;
s->hashed = YES;
return hash;
}
- (of_unichar_t)characterAtIndex: (size_t)index
{
of_unichar_t character;
if (index >= s->length)
@throw [OFOutOfRangeException exceptionWithClass: isa];
if (!s->UTF8)
return s->cString[index];
index = of_string_index_to_position(s->cString, index,
s->cStringLength);
if (!of_string_utf8_to_unicode(s->cString + index,
s->cStringLength - index, &character))
@throw [OFInvalidEncodingException exceptionWithClass: isa];
return character;
}
- (void)getCharacters: (of_unichar_t*)buffer
inRange: (of_range_t)range
{
/* TODO: Could be slightly optimized */
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
const of_unichar_t *unicodeString = [self unicodeString];
memcpy(buffer, unicodeString + range.start,
range.length * sizeof(of_unichar_t));
[pool release];
}
- (size_t)indexOfFirstOccurrenceOfString: (OFString*)string
{
const char *cString = [string UTF8String];
size_t i, cStringLength = [string UTF8StringLength];
if (cStringLength == 0)
return 0;
if (cStringLength > s->cStringLength)
return OF_INVALID_INDEX;
for (i = 0; i <= s->cStringLength - cStringLength; i++)
if (!memcmp(s->cString + i, cString, cStringLength))
return of_string_position_to_index(s->cString, i);
return OF_INVALID_INDEX;
}
- (size_t)indexOfLastOccurrenceOfString: (OFString*)string
{
const char *cString = [string UTF8String];
size_t i, cStringLength = [string UTF8StringLength];
if (cStringLength == 0)
return of_string_position_to_index(s->cString,
s->cStringLength);
if (cStringLength > s->cStringLength)
return OF_INVALID_INDEX;
for (i = s->cStringLength - cStringLength;; i--) {
if (!memcmp(s->cString + i, cString, cStringLength))
return of_string_position_to_index(s->cString, i);
/* Did not match and we're at the last char */
if (i == 0)
return OF_INVALID_INDEX;
}
}
- (BOOL)containsString: (OFString*)string
{
const char *cString = [string UTF8String];
size_t i, cStringLength = [string UTF8StringLength];
if (cStringLength == 0)
return YES;
if (cStringLength > s->cStringLength)
return NO;
for (i = 0; i <= s->cStringLength - cStringLength; i++)
if (!memcmp(s->cString + i, cString, cStringLength))
return YES;
return NO;
}
- (OFString*)substringWithRange: (of_range_t)range
{
size_t start = range.start;
size_t end = range.start + range.length;
if (end > s->length)
@throw [OFOutOfRangeException exceptionWithClass: isa];
if (s->UTF8) {
start = of_string_index_to_position(s->cString, start,
s->cStringLength);
end = of_string_index_to_position(s->cString, end,
s->cStringLength);
}
return [OFString stringWithUTF8String: s->cString + start
length: end - start];
}
- (BOOL)hasPrefix: (OFString*)prefix
{
size_t cStringLength = [prefix UTF8StringLength];
if (cStringLength > s->cStringLength)
return NO;
return !memcmp(s->cString, [prefix UTF8String], cStringLength);
}
- (BOOL)hasSuffix: (OFString*)suffix
{
size_t cStringLength = [suffix UTF8StringLength];
if (cStringLength > s->cStringLength)
return NO;
return !memcmp(s->cString + (s->cStringLength - cStringLength),
[suffix UTF8String], cStringLength);
}
- (OFArray*)componentsSeparatedByString: (OFString*)delimiter
{
OFAutoreleasePool *pool;
OFMutableArray *array;
const char *cString = [delimiter UTF8String];
size_t cStringLength = [delimiter UTF8StringLength];
size_t i, last;
array = [OFMutableArray array];
pool = [[OFAutoreleasePool alloc] init];
if (cStringLength > s->cStringLength) {
[array addObject: [[self copy] autorelease]];
[pool release];
return array;
}
for (i = 0, last = 0; i <= s->cStringLength - cStringLength; i++) {
if (memcmp(s->cString + i, cString, cStringLength))
continue;
[array addObject:
[OFString stringWithUTF8String: s->cString + last
length: i - last]];
i += cStringLength - 1;
last = i + 1;
}
[array addObject: [OFString stringWithUTF8String: s->cString + last]];
[array makeImmutable];
[pool release];
return array;
}
- (OFArray*)pathComponents
{
OFMutableArray *ret;
OFAutoreleasePool *pool;
size_t i, last = 0, pathCStringLength = s->cStringLength;
ret = [OFMutableArray array];
if (pathCStringLength == 0)
return ret;
pool = [[OFAutoreleasePool alloc] init];
#ifndef _WIN32
if (s->cString[pathCStringLength - 1] == OF_PATH_DELIMITER)
#else
if (s->cString[pathCStringLength - 1] == '/' ||
s->cString[pathCStringLength - 1] == '\\')
#endif
pathCStringLength--;
for (i = 0; i < pathCStringLength; i++) {
#ifndef _WIN32
if (s->cString[i] == OF_PATH_DELIMITER) {
#else
if (s->cString[i] == '/' || s->cString[i] == '\\') {
#endif
[ret addObject:
[OFString stringWithUTF8String: s->cString + last
length: i - last]];
last = i + 1;
}
}
[ret addObject: [OFString stringWithUTF8String: s->cString + last
length: i - last]];
[ret makeImmutable];
[pool release];
return ret;
}
- (OFString*)lastPathComponent
{
size_t pathCStringLength = s->cStringLength;
ssize_t i;
if (pathCStringLength == 0)
return @"";
#ifndef _WIN32
if (s->cString[pathCStringLength - 1] == OF_PATH_DELIMITER)
#else
if (s->cString[pathCStringLength - 1] == '/' ||
s->cString[pathCStringLength - 1] == '\\')
#endif
pathCStringLength--;
for (i = pathCStringLength - 1; i >= 0; i--) {
#ifndef _WIN32
if (s->cString[i] == OF_PATH_DELIMITER) {
#else
if (s->cString[i] == '/' || s->cString[i] == '\\') {
#endif
i++;
break;
}
}
/*
* Only one component, but the trailing delimiter might have been
* removed, so return a new string anyway.
*/
if (i < 0)
i = 0;
return [OFString stringWithUTF8String: s->cString + i
length: pathCStringLength - i];
}
- (OFString*)stringByDeletingLastPathComponent
{
size_t i, pathCStringLength = s->cStringLength;
if (pathCStringLength == 0)
return @"";
#ifndef _WIN32
if (s->cString[pathCStringLength - 1] == OF_PATH_DELIMITER)
#else
if (s->cString[pathCStringLength - 1] == '/' ||
s->cString[pathCStringLength - 1] == '\\')
#endif
pathCStringLength--;
if (pathCStringLength == 0)
return [OFString stringWithUTF8String: s->cString
length: 1];
for (i = pathCStringLength - 1; i >= 1; i--)
#ifndef _WIN32
if (s->cString[i] == OF_PATH_DELIMITER)
#else
if (s->cString[i] == '/' || s->cString[i] == '\\')
#endif
return [OFString stringWithUTF8String: s->cString
length: i];
#ifndef _WIN32
if (s->cString[0] == OF_PATH_DELIMITER)
#else
if (s->cString[0] == '/' || s->cString[0] == '\\')
#endif
return [OFString stringWithUTF8String: s->cString
length: 1];
return @".";
}
- (const of_unichar_t*)unicodeString
{
OFObject *object = [[[OFObject alloc] init] autorelease];
of_unichar_t *ret;
size_t i, j;
ret = [object allocMemoryForNItems: s->length + 1
ofSize: sizeof(of_unichar_t)];
i = 0;
j = 0;
while (i < s->cStringLength) {
of_unichar_t c;
size_t cLen;
cLen = of_string_utf8_to_unicode(s->cString + i,
s->cStringLength - i, &c);
if (cLen == 0 || c > 0x10FFFF)
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
ret[j++] = c;
i += cLen;
}
ret[j] = 0;
return ret;
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateLinesUsingBlock: (of_string_line_enumeration_block_t)block
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
const char *cString = s->cString;
const char *last = cString;
BOOL stop = NO, lastCarriageReturn = NO;
while (!stop && *cString != 0) {
if (lastCarriageReturn && *cString == '\n') {
lastCarriageReturn = NO;
cString++;
last++;
continue;
}
if (*cString == '\n' || *cString == '\r') {
block([OFString
stringWithUTF8String: last
length: cString - last], &stop);
last = cString + 1;
[pool releaseObjects];
}
lastCarriageReturn = (*cString == '\r');
cString++;
}
if (!stop)
block([OFString stringWithUTF8String: last
length: cString - last], &stop);
[pool release];
}
#endif
@end