/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
* Jonathan Schleifer <js@heap.zone>
*
* 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 <ctype.h>
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#import "OFString.h"
#import "OFString_UTF8.h"
#import "OFString_UTF8+Private.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFDataArray.h"
#ifdef OF_HAVE_FILES
# import "OFFile.h"
#endif
#import "OFURL.h"
#ifdef OF_HAVE_SOCKETS
# import "OFHTTPClient.h"
# import "OFHTTPRequest.h"
# import "OFHTTPResponse.h"
#endif
#import "OFXMLElement.h"
#ifdef OF_HAVE_SOCKETS
# import "OFHTTPRequestFailedException.h"
#endif
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
#import "OFInvalidFormatException.h"
#import "OFNotImplementedException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFTruncatedDataException.h"
#import "OFUnsupportedProtocolException.h"
#import "of_asprintf.h"
#import "unicode.h"
/*
* It seems strtod is buggy on Win32.
* However, the MinGW version __strtod seems to be ok.
*/
#ifdef __MINGW32__
# define strtod __strtod
#endif
@interface OFString ()
- (size_t)OF_getCString: (char*)cString
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding
lossy: (bool)lossy;
- (const char*)OF_cStringWithEncoding: (of_string_encoding_t)encoding
lossy: (bool)lossy;
- (OFString*)OF_JSONRepresentationWithOptions: (int)options
depth: (size_t)depth;
@end
extern bool of_unicode_to_iso_8859_15(const of_unichar_t*, uint8_t*, size_t,
bool);
extern bool of_unicode_to_windows_1252(const of_unichar_t*, uint8_t*, size_t,
bool);
extern bool of_unicode_to_codepage_437(const of_unichar_t*, uint8_t*, size_t,
bool);
/* References for static linking */
void _references_to_categories_of_OFString(void)
{
_OFString_Hashing_reference = 1;
_OFString_JSONValue_reference = 1;
_OFString_Serialization_reference = 1;
_OFString_URLEncoding_reference = 1;
_OFString_XMLEscaping_reference = 1;
_OFString_XMLUnescaping_reference = 1;
}
void _reference_to_OFConstantString(void)
{
[OFConstantString class];
}
size_t
of_string_utf8_encode(of_unichar_t character, char *buffer)
{
size_t i = 0;
if (character < 0x80) {
buffer[i] = character;
return 1;
} else if (character < 0x800) {
buffer[i++] = 0xC0 | (character >> 6);
buffer[i] = 0x80 | (character & 0x3F);
return 2;
} else if (character < 0x10000) {
buffer[i++] = 0xE0 | (character >> 12);
buffer[i++] = 0x80 | (character >> 6 & 0x3F);
buffer[i] = 0x80 | (character & 0x3F);
return 3;
} else if (character < 0x110000) {
buffer[i++] = 0xF0 | (character >> 18);
buffer[i++] = 0x80 | (character >> 12 & 0x3F);
buffer[i++] = 0x80 | (character >> 6 & 0x3F);
buffer[i] = 0x80 | (character & 0x3F);
return 4;
}
return 0;
}
size_t
of_string_utf8_decode(const char *buffer_, size_t length, of_unichar_t *ret)
{
const uint8_t *buffer = (const uint8_t*)buffer_;
if (!(*buffer & 0x80)) {
*ret = buffer[0];
return 1;
}
if ((*buffer & 0xE0) == 0xC0) {
if OF_UNLIKELY (length < 2)
return 0;
*ret = ((buffer[0] & 0x1F) << 6) | (buffer[1] & 0x3F);
return 2;
}
if ((*buffer & 0xF0) == 0xE0) {
if OF_UNLIKELY (length < 3)
return 0;
*ret = ((buffer[0] & 0x0F) << 12) | ((buffer[1] & 0x3F) << 6) |
(buffer[2] & 0x3F);
return 3;
}
if ((*buffer & 0xF8) == 0xF0) {
if OF_UNLIKELY (length < 4)
return 0;
*ret = ((buffer[0] & 0x07) << 18) | ((buffer[1] & 0x3F) << 12) |
((buffer[2] & 0x3F) << 6) | (buffer[3] & 0x3F);
return 4;
}
return 0;
}
size_t
of_string_utf16_length(const of_char16_t *string)
{
size_t length = 0;
while (*string++ != 0)
length++;
return length;
}
size_t
of_string_utf32_length(const of_char32_t *string)
{
size_t length = 0;
while (*string++ != 0)
length++;
return length;
}
static OFString*
standardizePath(OFArray *components, OFString *currentDirectory,
OFString *parentDirectory, OFString *joinString)
{
void *pool = objc_autoreleasePoolPush();
OFMutableArray *array;
OFString *ret;
bool done = false, startsWithEmpty, endsWithEmpty;
array = [[components mutableCopy] autorelease];
if ((startsWithEmpty = [[array firstObject] isEqual: @""]))
[array removeObjectAtIndex: 0];
endsWithEmpty = [[array lastObject] isEqual: @""];
while (!done) {
size_t length = [array count];
done = true;
for (size_t i = 0; i < length; i++) {
id object = [array objectAtIndex: i];
id parent;
if (i > 0)
parent = [array objectAtIndex: i - 1];
else
parent = nil;
if ([object isEqual: currentDirectory] ||
[object length] == 0) {
[array removeObjectAtIndex: i];
done = false;
break;
}
if ([object isEqual: parentDirectory] &&
parent != nil &&
![parent isEqual: parentDirectory]) {
[array removeObjectsInRange:
of_range(i - 1, 2)];
done = false;
break;
}
}
}
if (startsWithEmpty)
[array insertObject: @""
atIndex: 0];
if (endsWithEmpty)
[array addObject: @""];
ret = [[array componentsJoinedByString: joinString] retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
static struct {
Class isa;
} placeholder;
@interface OFString_placeholder: OFString
@end
@implementation OFString_placeholder
- init
{
return (id)[[OFString_UTF8 alloc] init];
}
- initWithUTF8String: (const char*)UTF8String
{
id string;
size_t length;
void *storage;
length = strlen(UTF8String);
string = of_alloc_object([OFString_UTF8 class],
length + 1, 1, &storage);
return (id)[string OF_initWithUTF8String: UTF8String
length: length
storage: storage];
}
- initWithUTF8String: (const char*)UTF8String
length: (size_t)UTF8StringLength
{
id string;
void *storage;
string = of_alloc_object([OFString_UTF8 class],
UTF8StringLength + 1, 1, &storage);
return (id)[string OF_initWithUTF8String: UTF8String
length: UTF8StringLength
storage: storage];
}
- initWithUTF8StringNoCopy: (char*)UTF8String
freeWhenDone: (bool)freeWhenDone
{
return (id)[[OFString_UTF8 alloc]
initWithUTF8StringNoCopy: UTF8String
freeWhenDone: freeWhenDone];
}
- initWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
{
if (encoding == OF_STRING_ENCODING_UTF_8) {
id string;
size_t length;
void *storage;
length = strlen(cString);
string = of_alloc_object([OFString_UTF8 class],
length + 1, 1, &storage);
return (id)[string OF_initWithUTF8String: cString
length: length
storage: storage];
}
return (id)[[OFString_UTF8 alloc] initWithCString: cString
encoding: encoding];
}
- initWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
length: (size_t)cStringLength
{
if (encoding == OF_STRING_ENCODING_UTF_8) {
id string;
void *storage;
string = of_alloc_object([OFString_UTF8 class],
cStringLength + 1, 1, &storage);
return (id)[string OF_initWithUTF8String: cString
length: cStringLength
storage: storage];
}
return (id)[[OFString_UTF8 alloc] initWithCString: cString
encoding: encoding
length: cStringLength];
}
- initWithString: (OFString*)string
{
return (id)[[OFString_UTF8 alloc] initWithString: string];
}
- initWithCharacters: (const of_unichar_t*)string
length: (size_t)length
{
return (id)[[OFString_UTF8 alloc] initWithCharacters: string
length: length];
}
- initWithUTF16String: (const of_char16_t*)string
{
return (id)[[OFString_UTF8 alloc] initWithUTF16String: string];
}
- initWithUTF16String: (const of_char16_t*)string
length: (size_t)length
{
return (id)[[OFString_UTF8 alloc] initWithUTF16String: string
length: length];
}
- initWithUTF16String: (const of_char16_t*)string
byteOrder: (of_byte_order_t)byteOrder
{
return (id)[[OFString_UTF8 alloc] initWithUTF16String: string
byteOrder: byteOrder];
}
- initWithUTF16String: (const of_char16_t*)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder
{
return (id)[[OFString_UTF8 alloc] initWithUTF16String: string
length: length
byteOrder: byteOrder];
}
- initWithUTF32String: (const of_char32_t*)string
{
return (id)[[OFString_UTF8 alloc] initWithUTF32String: string];
}
- initWithUTF32String: (const of_char32_t*)string
length: (size_t)length
{
return (id)[[OFString_UTF8 alloc] initWithUTF32String: string
length: length];
}
- initWithUTF32String: (const of_char32_t*)string
byteOrder: (of_byte_order_t)byteOrder
{
return (id)[[OFString_UTF8 alloc] initWithUTF32String: string
byteOrder: byteOrder];
}
- initWithUTF32String: (const of_char32_t*)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder
{
return (id)[[OFString_UTF8 alloc] initWithUTF32String: string
length: length
byteOrder: byteOrder];
}
- initWithFormat: (OFConstantString*)format, ...
{
id ret;
va_list arguments;
va_start(arguments, format);
ret = [[OFString_UTF8 alloc] initWithFormat: format
arguments: arguments];
va_end(arguments);
return ret;
}
- initWithFormat: (OFConstantString*)format
arguments: (va_list)arguments
{
return (id)[[OFString_UTF8 alloc] initWithFormat: format
arguments: arguments];
}
#ifdef OF_HAVE_FILES
- initWithContentsOfFile: (OFString*)path
{
return (id)[[OFString_UTF8 alloc] initWithContentsOfFile: path];
}
- initWithContentsOfFile: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
return (id)[[OFString_UTF8 alloc] initWithContentsOfFile: path
encoding: encoding];
}
#endif
#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
- initWithContentsOfURL: (OFURL*)URL
{
return (id)[[OFString_UTF8 alloc] initWithContentsOfURL: URL];
}
- initWithContentsOfURL: (OFURL*)URL
encoding: (of_string_encoding_t)encoding
{
return (id)[[OFString_UTF8 alloc] initWithContentsOfURL: URL
encoding: encoding];
}
#endif
- initWithSerialization: (OFXMLElement*)element
{
return (id)[[OFString_UTF8 alloc] initWithSerialization: element];
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (void)release
{
}
- (void)dealloc
{
OF_UNRECOGNIZED_SELECTOR
/* Get rid of a stupid warning */
[super dealloc];
}
@end
@implementation OFString
+ (void)initialize
{
if (self == [OFString class])
placeholder.isa = [OFString_placeholder class];
}
+ alloc
{
if (self == [OFString class])
return (id)&placeholder;
return [super alloc];
}
+ (instancetype)string
{
return [[[self alloc] init] autorelease];
}
+ (instancetype)stringWithUTF8String: (const char*)UTF8String
{
return [[[self alloc] initWithUTF8String: UTF8String] autorelease];
}
+ (instancetype)stringWithUTF8String: (const char*)UTF8String
length: (size_t)UTF8StringLength
{
return [[[self alloc]
initWithUTF8String: UTF8String
length: UTF8StringLength] autorelease];
}
+ (instancetype)stringWithUTF8StringNoCopy: (char*)UTF8String
freeWhenDone: (bool)freeWhenDone
{
return [[[self alloc]
initWithUTF8StringNoCopy: UTF8String
freeWhenDone: freeWhenDone] autorelease];
}
+ (instancetype)stringWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
{
return [[[self alloc] initWithCString: cString
encoding: encoding] autorelease];
}
+ (instancetype)stringWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
length: (size_t)cStringLength
{
return [[[self alloc] initWithCString: cString
encoding: encoding
length: cStringLength] autorelease];
}
+ (instancetype)stringWithString: (OFString*)string
{
return [[[self alloc] initWithString: string] autorelease];
}
+ (instancetype)stringWithCharacters: (const of_unichar_t*)string
length: (size_t)length
{
return [[[self alloc] initWithCharacters: string
length: length] autorelease];
}
+ (instancetype)stringWithUTF16String: (const of_char16_t*)string
{
return [[[self alloc] initWithUTF16String: string] autorelease];
}
+ (instancetype)stringWithUTF16String: (const of_char16_t*)string
length: (size_t)length
{
return [[[self alloc] initWithUTF16String: string
length: length] autorelease];
}
+ (instancetype)stringWithUTF16String: (const of_char16_t*)string
byteOrder: (of_byte_order_t)byteOrder
{
return [[[self alloc] initWithUTF16String: string
byteOrder: byteOrder] autorelease];
}
+ (instancetype)stringWithUTF16String: (const of_char16_t*)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder
{
return [[[self alloc] initWithUTF16String: string
length: length
byteOrder: byteOrder] autorelease];
}
+ (instancetype)stringWithUTF32String: (const of_char32_t*)string
{
return [[[self alloc] initWithUTF32String: string] autorelease];
}
+ (instancetype)stringWithUTF32String: (const of_char32_t*)string
length: (size_t)length
{
return [[[self alloc] initWithUTF32String: string
length: length] autorelease];
}
+ (instancetype)stringWithUTF32String: (const of_char32_t*)string
byteOrder: (of_byte_order_t)byteOrder
{
return [[[self alloc] initWithUTF32String: string
byteOrder: byteOrder] autorelease];
}
+ (instancetype)stringWithUTF32String: (const of_char32_t*)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder
{
return [[[self alloc] initWithUTF32String: string
length: length
byteOrder: byteOrder] autorelease];
}
+ (instancetype)stringWithFormat: (OFConstantString*)format, ...
{
id ret;
va_list arguments;
va_start(arguments, format);
ret = [[[self alloc] initWithFormat: format
arguments: arguments] autorelease];
va_end(arguments);
return ret;
}
#ifdef OF_HAVE_FILES
+ (instancetype)stringWithContentsOfFile: (OFString*)path
{
return [[[self alloc] initWithContentsOfFile: path] autorelease];
}
+ (instancetype)stringWithContentsOfFile: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
return [[[self alloc] initWithContentsOfFile: path
encoding: encoding] autorelease];
}
#endif
#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
+ (instancetype)stringWithContentsOfURL: (OFURL*)URL
{
return [[[self alloc] initWithContentsOfURL: URL] autorelease];
}
+ (instancetype)stringWithContentsOfURL: (OFURL*)URL
encoding: (of_string_encoding_t)encoding
{
return [[[self alloc] initWithContentsOfURL: URL
encoding: encoding] autorelease];
}
#endif
+ (OFString*)pathWithComponents: (OFArray*)components
{
OFMutableString *ret = [OFMutableString string];
bool first = true;
for (OFString *component in components) {
if (!first)
[ret appendString: OF_PATH_DELIMITER_STRING];
[ret appendString: component];
first = false;
}
return ret;
}
- init
{
if (object_getClass(self) == [OFString class]) {
@try {
[self doesNotRecognizeSelector: _cmd];
} @catch (id e) {
[self release];
@throw e;
}
abort();
}
return [super init];
}
- initWithUTF8String: (const char*)UTF8String
{
return [self initWithCString: UTF8String
encoding: OF_STRING_ENCODING_UTF_8
length: strlen(UTF8String)];
}
- initWithUTF8String: (const char*)UTF8String
length: (size_t)UTF8StringLength
{
return [self initWithCString: UTF8String
encoding: OF_STRING_ENCODING_UTF_8
length: UTF8StringLength];
}
- initWithUTF8StringNoCopy: (char*)UTF8String
freeWhenDone: (bool)freeWhenDone
{
return [self initWithUTF8String: UTF8String];
}
- initWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
{
return [self initWithCString: cString
encoding: encoding
length: strlen(cString)];
}
- initWithCString: (const char*)cString
encoding: (of_string_encoding_t)encoding
length: (size_t)cStringLength
{
OF_INVALID_INIT_METHOD
}
- initWithString: (OFString*)string
{
OF_INVALID_INIT_METHOD
}
- initWithCharacters: (const of_unichar_t*)string
length: (size_t)length
{
OF_INVALID_INIT_METHOD
}
- initWithUTF16String: (const of_char16_t*)string
{
return [self initWithUTF16String: string
length: of_string_utf16_length(string)
byteOrder: OF_BYTE_ORDER_NATIVE];
}
- initWithUTF16String: (const of_char16_t*)string
length: (size_t)length
{
return [self initWithUTF16String: string
length: length
byteOrder: OF_BYTE_ORDER_NATIVE];
}
- initWithUTF16String: (const of_char16_t*)string
byteOrder: (of_byte_order_t)byteOrder
{
return [self initWithUTF16String: string
length: of_string_utf16_length(string)
byteOrder: byteOrder];
}
- initWithUTF16String: (const of_char16_t*)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder
{
OF_INVALID_INIT_METHOD
}
- initWithUTF32String: (const of_char32_t*)string
{
return [self initWithUTF32String: string
length: of_string_utf32_length(string)
byteOrder: OF_BYTE_ORDER_NATIVE];
}
- initWithUTF32String: (const of_char32_t*)string
length: (size_t)length
{
return [self initWithUTF32String: string
length: length
byteOrder: OF_BYTE_ORDER_NATIVE];
}
- initWithUTF32String: (const of_char32_t*)string
byteOrder: (of_byte_order_t)byteOrder
{
return [self initWithUTF32String: string
length: of_string_utf32_length(string)
byteOrder: byteOrder];
}
- initWithUTF32String: (const of_char32_t*)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder
{
OF_INVALID_INIT_METHOD
}
- initWithFormat: (OFConstantString*)format, ...
{
id ret;
va_list arguments;
va_start(arguments, format);
ret = [self initWithFormat: format
arguments: arguments];
va_end(arguments);
return ret;
}
- initWithFormat: (OFConstantString*)format
arguments: (va_list)arguments
{
OF_INVALID_INIT_METHOD
}
#ifdef OF_HAVE_FILES
- initWithContentsOfFile: (OFString*)path
{
return [self initWithContentsOfFile: path
encoding: OF_STRING_ENCODING_UTF_8];
}
- initWithContentsOfFile: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
char *tmp;
of_stat_t st;
@try {
OFFile *file;
/* Make sure the file system is initialized */
[OFFile class];
if (of_stat(path, &st) != 0)
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: @"rb"
errNo: errno];
if (st.st_size > SIZE_MAX)
@throw [OFOutOfRangeException exception];
file = [[OFFile alloc] initWithPath: path
mode: @"rb"];
@try {
tmp = [self allocMemoryWithSize: (size_t)st.st_size];
[file readIntoBuffer: tmp
exactLength: (size_t)st.st_size];
} @finally {
[file release];
}
} @catch (id e) {
[self release];
@throw e;
}
self = [self initWithCString: tmp
encoding: encoding
length: (size_t)st.st_size];
[self freeMemory: tmp];
return self;
}
#endif
#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
- initWithContentsOfURL: (OFURL*)URL
{
return [self initWithContentsOfURL: URL
encoding: OF_STRING_ENCODING_AUTODETECT];
}
- initWithContentsOfURL: (OFURL*)URL
encoding: (of_string_encoding_t)encoding
{
void *pool;
OFString *scheme;
# ifdef OF_HAVE_FILES
Class c = [self class];
# endif
[self release];
pool = objc_autoreleasePoolPush();
scheme = [URL scheme];
# ifdef OF_HAVE_FILES
if ([scheme isEqual: @"file"]) {
if (encoding == OF_STRING_ENCODING_AUTODETECT)
encoding = OF_STRING_ENCODING_UTF_8;
self = [[c alloc] initWithContentsOfFile: [URL path]
encoding: encoding];
} else
# endif
# ifdef OF_HAVE_SOCKETS
if ([scheme isEqual: @"http"] || [scheme isEqual: @"https"]) {
OFHTTPClient *client = [OFHTTPClient client];
OFHTTPRequest *request = [OFHTTPRequest requestWithURL: URL];
OFHTTPResponse *response = [client performRequest: request];
OFDictionary *headers;
OFString *contentType, *contentLength;
OFDataArray *data;
if ([response statusCode] != 200)
@throw [OFHTTPRequestFailedException
exceptionWithRequest: request
response: response];
headers = [response headers];
if (encoding == OF_STRING_ENCODING_AUTODETECT &&
(contentType = [headers
objectForKey: @"Content-Type"]) != nil) {
contentType = [contentType lowercaseString];
if ([contentType hasSuffix: @"charset=utf-8"])
encoding = OF_STRING_ENCODING_UTF_8;
if ([contentType hasSuffix: @"charset=iso-8859-1"])
encoding = OF_STRING_ENCODING_ISO_8859_1;
if ([contentType hasSuffix: @"charset=iso-8859-15"])
encoding = OF_STRING_ENCODING_ISO_8859_15;
if ([contentType hasSuffix: @"charset=windows-1252"])
encoding = OF_STRING_ENCODING_WINDOWS_1252;
}
if (encoding == OF_STRING_ENCODING_AUTODETECT)
encoding = OF_STRING_ENCODING_UTF_8;
data = [response readDataArrayTillEndOfStream];
if ((contentLength = [headers
objectForKey: @"Content-Length"]) != nil)
if ([data count] !=
(size_t)[contentLength decimalValue])
@throw [OFTruncatedDataException exception];
self = [[c alloc] initWithCString: (char*)[data items]
encoding: encoding
length: [data count]];
} else
# endif
@throw [OFUnsupportedProtocolException exception];
objc_autoreleasePoolPop(pool);
return self;
}
#endif
- initWithSerialization: (OFXMLElement*)element
{
@try {
void *pool = objc_autoreleasePoolPush();
if (![[element namespace] isEqual: OF_SERIALIZATION_NS])
@throw [OFInvalidArgumentException exception];
if ([self isKindOfClass: [OFMutableString class]]) {
if (![[element name] isEqual: @"OFMutableString"])
@throw [OFInvalidArgumentException exception];
} else {
if (![[element name] isEqual: @"OFString"])
@throw [OFInvalidArgumentException exception];
}
self = [self initWithString: [element stringValue]];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (size_t)OF_getCString: (char*)cString
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding
lossy: (bool)lossy
{
const of_unichar_t *characters = [self characters];
size_t i, length = [self length];
switch (encoding) {
case OF_STRING_ENCODING_UTF_8:;
size_t j = 0;
for (i = 0; i < length; i++) {
char buffer[4];
size_t len = of_string_utf8_encode(characters[i],
buffer);
/*
* Check for one more than the current index, as we
* need one for the terminating zero.
*/
if (j + len >= maxLength)
@throw [OFOutOfRangeException exception];
switch (len) {
case 1:
cString[j++] = buffer[0];
break;
case 2:
case 3:
case 4:
memcpy(cString + j, buffer, len);
j += len;
break;
default:
@throw [OFInvalidEncodingException exception];
break;
}
}
cString[j] = '\0';
return j;
case OF_STRING_ENCODING_ASCII:
if (length + 1 > maxLength)
@throw [OFOutOfRangeException exception];
for (i = 0; i < length; i++) {
if OF_UNLIKELY (characters[i] > 0x80) {
if (lossy)
cString[i] = '?';
else
@throw [OFInvalidEncodingException
exception];
} else
cString[i] = (char)characters[i];
}
cString[i] = '\0';
return length;
case OF_STRING_ENCODING_ISO_8859_1:
if (length + 1 > maxLength)
@throw [OFOutOfRangeException exception];
for (i = 0; i < length; i++) {
if OF_UNLIKELY (characters[i] > 0xFF) {
if (lossy)
cString[i] = '?';
else
@throw [OFInvalidEncodingException
exception];
} else
cString[i] = (uint8_t)characters[i];
}
cString[i] = '\0';
return length;
case OF_STRING_ENCODING_ISO_8859_15:
if (length + 1 > maxLength)
@throw [OFOutOfRangeException exception];
if (!of_unicode_to_iso_8859_15(characters, (uint8_t*)cString,
length, lossy))
@throw [OFInvalidEncodingException exception];
cString[length] = '\0';
return length;
case OF_STRING_ENCODING_WINDOWS_1252:
if (length + 1 > maxLength)
@throw [OFOutOfRangeException exception];
if (!of_unicode_to_windows_1252(characters, (uint8_t*)cString,
length, lossy))
@throw [OFInvalidEncodingException exception];
cString[length] = '\0';
return length;
case OF_STRING_ENCODING_CODEPAGE_437:
if (length + 1 > maxLength)
@throw [OFOutOfRangeException exception];
if (!of_unicode_to_codepage_437(characters, (uint8_t*)cString,
length, lossy))
@throw [OFInvalidEncodingException exception];
cString[length] = '\0';
return length;
default:
@throw [OFNotImplementedException exceptionWithSelector: _cmd
object: self];
}
}
- (size_t)getCString: (char*)cString
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding
{
return [self OF_getCString: cString
maxLength: maxLength
encoding: encoding
lossy: false];
}
- (size_t)getLossyCString: (char*)cString
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding
{
return [self OF_getCString: cString
maxLength: maxLength
encoding: encoding
lossy: true];
}
- (const char*)OF_cStringWithEncoding: (of_string_encoding_t)encoding
lossy: (bool)lossy
{
OFObject *object = [[[OFObject alloc] init] autorelease];
size_t length = [self length];
char *cString;
switch (encoding) {
case OF_STRING_ENCODING_UTF_8:;
size_t cStringLength;
cString = [object allocMemoryWithSize: (length * 4) + 1];
cStringLength = [self OF_getCString: cString
maxLength: (length * 4) + 1
encoding: OF_STRING_ENCODING_UTF_8
lossy: lossy];
@try {
cString = [object resizeMemory: cString
size: cStringLength + 1];
} @catch (OFOutOfMemoryException *e) {
/* We don't care, as we only tried to make it smaller */
}
break;
case OF_STRING_ENCODING_ASCII:
case OF_STRING_ENCODING_ISO_8859_1:
case OF_STRING_ENCODING_ISO_8859_15:
case OF_STRING_ENCODING_WINDOWS_1252:
case OF_STRING_ENCODING_CODEPAGE_437:
cString = [object allocMemoryWithSize: length + 1];
[self OF_getCString: cString
maxLength: length + 1
encoding: encoding
lossy: lossy];
break;
default:
@throw [OFInvalidEncodingException exception];
}
return cString;
}
- (const char*)cStringWithEncoding: (of_string_encoding_t)encoding
{
return [self OF_cStringWithEncoding: encoding
lossy: false];
}
- (const char*)lossyCStringWithEncoding: (of_string_encoding_t)encoding
{
return [self OF_cStringWithEncoding: encoding
lossy: true];
}
- (const char*)UTF8String
{
return [self cStringWithEncoding: OF_STRING_ENCODING_UTF_8];
}
- (size_t)length
{
OF_UNRECOGNIZED_SELECTOR
}
- (size_t)cStringLengthWithEncoding: (of_string_encoding_t)encoding
{
switch (encoding) {
case OF_STRING_ENCODING_UTF_8:;
const of_unichar_t *characters;
size_t length, UTF8StringLength = 0;
characters = [self characters];
length = [self length];
for (size_t i = 0; i < length; i++) {
char buffer[4];
size_t len = of_string_utf8_encode(characters[i],
buffer);
if (len == 0)
@throw [OFInvalidEncodingException exception];
UTF8StringLength += len;
}
return UTF8StringLength;
case OF_STRING_ENCODING_ASCII:
case OF_STRING_ENCODING_ISO_8859_1:
case OF_STRING_ENCODING_ISO_8859_15:
case OF_STRING_ENCODING_WINDOWS_1252:
case OF_STRING_ENCODING_CODEPAGE_437:
return [self length];
default:
@throw [OFInvalidEncodingException exception];
}
}
- (size_t)UTF8StringLength
{
return [self cStringLengthWithEncoding: OF_STRING_ENCODING_UTF_8];
}
- (of_unichar_t)characterAtIndex: (size_t)index
{
OF_UNRECOGNIZED_SELECTOR
}
- (void)getCharacters: (of_unichar_t*)buffer
inRange: (of_range_t)range
{
for (size_t i = 0; i < range.length; i++)
buffer[i] = [self characterAtIndex: range.location + i];
}
- (bool)isEqual: (id)object
{
void *pool;
OFString *otherString;
const of_unichar_t *characters, *otherCharacters;
size_t length;
if (object == self)
return true;
if (![object isKindOfClass: [OFString class]])
return false;
otherString = object;
length = [self length];
if ([otherString length] != length)
return false;
pool = objc_autoreleasePoolPush();
characters = [self characters];
otherCharacters = [otherString characters];
if (memcmp(characters, otherCharacters,
length * sizeof(of_unichar_t)) != 0) {
objc_autoreleasePoolPop(pool);
return false;
}
objc_autoreleasePoolPop(pool);
return true;
}
- copy
{
return [self retain];
}
- mutableCopy
{
return [[OFMutableString alloc] initWithString: self];
}
- (of_comparison_result_t)compare: (id <OFComparing>)object
{
void *pool;
OFString *otherString;
const of_unichar_t *characters, *otherCharacters;
size_t minimumLength;
if (object == self)
return OF_ORDERED_SAME;
if (![object isKindOfClass: [OFString class]])
@throw [OFInvalidArgumentException exception];
otherString = (OFString*)object;
minimumLength = ([self length] > [otherString length]
? [otherString length] : [self length]);
pool = objc_autoreleasePoolPush();
characters = [self characters];
otherCharacters = [otherString characters];
for (size_t i = 0; i < minimumLength; i++) {
if (characters[i] > otherCharacters[i]) {
objc_autoreleasePoolPop(pool);
return OF_ORDERED_DESCENDING;
}
if (characters[i] < otherCharacters[i]) {
objc_autoreleasePoolPop(pool);
return OF_ORDERED_ASCENDING;
}
}
objc_autoreleasePoolPop(pool);
if ([self length] > [otherString length])
return OF_ORDERED_DESCENDING;
if ([self length] < [otherString length])
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
- (of_comparison_result_t)caseInsensitiveCompare: (OFString*)otherString
{
void *pool = objc_autoreleasePoolPush();
const of_unichar_t *characters, *otherCharacters;
size_t length, otherLength, minimumLength;
if (otherString == self)
return OF_ORDERED_SAME;
characters = [self characters];
otherCharacters = [otherString characters];
length = [self length];
otherLength = [otherString length];
minimumLength = (length > otherLength ? otherLength : length);
for (size_t i = 0; i < minimumLength; i++) {
of_unichar_t c = characters[i];
of_unichar_t oc = otherCharacters[i];
if (c >> 8 < OF_UNICODE_CASEFOLDING_TABLE_SIZE) {
of_unichar_t tc =
of_unicode_casefolding_table[c >> 8][c & 0xFF];
if (tc)
c = tc;
}
if (oc >> 8 < OF_UNICODE_CASEFOLDING_TABLE_SIZE) {
of_unichar_t tc =
of_unicode_casefolding_table[oc >> 8][oc & 0xFF];
if (tc)
oc = tc;
}
if (c > oc) {
objc_autoreleasePoolPop(pool);
return OF_ORDERED_DESCENDING;
}
if (c < oc) {
objc_autoreleasePoolPop(pool);
return OF_ORDERED_ASCENDING;
}
}
objc_autoreleasePoolPop(pool);
if (length > otherLength)
return OF_ORDERED_DESCENDING;
if (length < otherLength)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
- (uint32_t)hash
{
const of_unichar_t *characters = [self characters];
size_t length = [self length];
uint32_t hash;
OF_HASH_INIT(hash);
for (size_t i = 0; i < length; i++) {
const of_unichar_t c = characters[i];
OF_HASH_ADD(hash, (c & 0xFF0000) >> 16);
OF_HASH_ADD(hash, (c & 0x00FF00) >> 8);
OF_HASH_ADD(hash, c & 0x0000FF);
}
OF_HASH_FINALIZE(hash);
return hash;
}
- (OFString*)description
{
return [[self copy] autorelease];
}
- (OFXMLElement*)XMLElementBySerializing
{
void *pool = objc_autoreleasePoolPush();
OFXMLElement *element;
OFString *className;
if ([self isKindOfClass: [OFMutableString class]])
className = @"OFMutableString";
else
className = @"OFString";
element = [OFXMLElement elementWithName: className
namespace: OF_SERIALIZATION_NS
stringValue: self];
[element retain];
objc_autoreleasePoolPop(pool);
return [element autorelease];
}
- (OFString*)JSONRepresentation
{
return [self OF_JSONRepresentationWithOptions: 0
depth: 0];
}
- (OFString*)JSONRepresentationWithOptions: (int)options
{
return [self OF_JSONRepresentationWithOptions: options
depth: 0];
}
- (OFString*)OF_JSONRepresentationWithOptions: (int)options
depth: (size_t)depth
{
OFMutableString *JSON = [[self mutableCopy] autorelease];
/* FIXME: This is slow! Write it in pure C! */
[JSON replaceOccurrencesOfString: @"\\"
withString: @"\\\\"];
[JSON replaceOccurrencesOfString: @"\""
withString: @"\\\""];
[JSON replaceOccurrencesOfString: @"\b"
withString: @"\\b"];
[JSON replaceOccurrencesOfString: @"\f"
withString: @"\\f"];
[JSON replaceOccurrencesOfString: @"\r"
withString: @"\\r"];
[JSON replaceOccurrencesOfString: @"\t"
withString: @"\\t"];
if (options & OF_JSON_REPRESENTATION_JSON5) {
[JSON replaceOccurrencesOfString: @"\n"
withString: @"\\\n"];
if (options & OF_JSON_REPRESENTATION_IDENTIFIER) {
const char *cString = [self UTF8String];
if ((!isalpha((int)cString[0]) && cString[0] != '_' &&
cString[0] != '$') ||
strpbrk(cString, " \n\r\t\b\f\\\"'") != NULL) {
[JSON prependString: @"\""];
[JSON appendString: @"\""];
}
} else {
[JSON prependString: @"\""];
[JSON appendString: @"\""];
}
} else {
[JSON replaceOccurrencesOfString: @"\n"
withString: @"\\n"];
[JSON prependString: @"\""];
[JSON appendString: @"\""];
}
[JSON makeImmutable];
return JSON;
}
- (OFDataArray*)messagePackRepresentation
{
OFDataArray *data;
size_t length;
length = [self UTF8StringLength];
if (length <= 31) {
uint8_t tmp = 0xA0 | ((uint8_t)length & 0x1F);
data = [OFDataArray dataArrayWithItemSize: 1
capacity: length + 1];
[data addItem: &tmp];
} else if (length <= UINT8_MAX) {
uint8_t type = 0xD9;
uint8_t tmp = (uint8_t)length;
data = [OFDataArray dataArrayWithItemSize: 1
capacity: length + 2];
[data addItem: &type];
[data addItem: &tmp];
} else if (length <= UINT16_MAX) {
uint8_t type = 0xDA;
uint16_t tmp = OF_BSWAP16_IF_LE((uint16_t)length);
data = [OFDataArray dataArrayWithItemSize: 1
capacity: length + 3];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (length <= UINT32_MAX) {
uint8_t type = 0xDB;
uint32_t tmp = OF_BSWAP32_IF_LE((uint32_t)length);
data = [OFDataArray dataArrayWithItemSize: 1
capacity: length + 5];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else
@throw [OFOutOfRangeException exception];
[data addItems: [self UTF8String]
count: length];
return data;
}
- (of_range_t)rangeOfString: (OFString*)string
{
return [self rangeOfString: string
options: 0
range: of_range(0, [self length])];
}
- (of_range_t)rangeOfString: (OFString*)string
options: (int)options
{
return [self rangeOfString: string
options: options
range: of_range(0, [self length])];
}
- (of_range_t)rangeOfString: (OFString*)string
options: (int)options
range: (of_range_t)range
{
void *pool;
const of_unichar_t *searchCharacters;
of_unichar_t *characters;
size_t searchLength;
if ((searchLength = [string length]) == 0)
return of_range(0, 0);
if (searchLength > range.length)
return of_range(OF_NOT_FOUND, 0);
if (range.length > SIZE_MAX / sizeof(of_unichar_t))
@throw [OFOutOfRangeException exception];
pool = objc_autoreleasePoolPush();
searchCharacters = [string characters];
characters = malloc(range.length * sizeof(of_unichar_t));
if (characters == NULL)
@throw [OFOutOfMemoryException exceptionWithRequestedSize:
range.length * sizeof(of_unichar_t)];
@try {
[self getCharacters: characters
inRange: range];
if (options & OF_STRING_SEARCH_BACKWARDS) {
for (size_t i = range.length - searchLength;; i--) {
if (memcmp(characters + i, searchCharacters,
searchLength * sizeof(of_unichar_t)) == 0) {
objc_autoreleasePoolPop(pool);
return of_range(range.location + i,
searchLength);
}
/* No match and we're at the last character */
if (i == 0)
break;
}
} else {
for (size_t i = 0;
i <= range.length - searchLength; i++) {
if (memcmp(characters + i, searchCharacters,
searchLength * sizeof(of_unichar_t)) == 0) {
objc_autoreleasePoolPop(pool);
return of_range(range.location + i,
searchLength);
}
}
}
} @finally {
free(characters);
}
objc_autoreleasePoolPop(pool);
return of_range(OF_NOT_FOUND, 0);
}
- (bool)containsString: (OFString*)string
{
void *pool;
const of_unichar_t *characters, *searchCharacters;
size_t length, searchLength;
if ((searchLength = [string length]) == 0)
return true;
if (searchLength > (length = [self length]))
return false;
pool = objc_autoreleasePoolPush();
characters = [self characters];
searchCharacters = [string characters];
for (size_t i = 0; i <= length - searchLength; i++) {
if (memcmp(characters + i, searchCharacters,
searchLength * sizeof(of_unichar_t)) == 0) {
objc_autoreleasePoolPop(pool);
return true;
}
}
objc_autoreleasePoolPop(pool);
return false;
}
- (OFString*)substringWithRange: (of_range_t)range
{
void *pool;
OFString *ret;
if (range.length > SIZE_MAX - range.location ||
range.location + range.length > [self length])
@throw [OFOutOfRangeException exception];
pool = objc_autoreleasePoolPush();
ret = [[OFString alloc]
initWithCharacters: [self characters] + range.location
length: range.length];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
- (OFString*)stringByAppendingString: (OFString*)string
{
OFMutableString *new;
new = [OFMutableString stringWithString: self];
[new appendString: string];
[new makeImmutable];
return new;
}
- (OFString*)stringByAppendingFormat: (OFConstantString*)format, ...
{
OFString *ret;
va_list arguments;
va_start(arguments, format);
ret = [self stringByAppendingFormat: format
arguments: arguments];
va_end(arguments);
return ret;
}
- (OFString*)stringByAppendingFormat: (OFConstantString*)format
arguments: (va_list)arguments
{
OFMutableString *new;
new = [OFMutableString stringWithString: self];
[new appendFormat: format
arguments: arguments];
[new makeImmutable];
return new;
}
- (OFString*)stringByAppendingPathComponent: (OFString*)component
{
void *pool = objc_autoreleasePoolPush();
OFString *ret;
ret = [OFString pathWithComponents:
[OFArray arrayWithObjects: self, component, nil]];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
- (OFString*)stringByPrependingString: (OFString*)string
{
OFMutableString *new = [[string mutableCopy] autorelease];
[new appendString: self];
[new makeImmutable];
return new;
}
- (OFString*)stringByReplacingOccurrencesOfString: (OFString*)string
withString: (OFString*)replacement
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new replaceOccurrencesOfString: string
withString: replacement];
[new makeImmutable];
return new;
}
- (OFString*)stringByReplacingOccurrencesOfString: (OFString*)string
withString: (OFString*)replacement
options: (int)options
range: (of_range_t)range
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new replaceOccurrencesOfString: string
withString: replacement
options: options
range: range];
[new makeImmutable];
return new;
}
- (OFString*)uppercaseString
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new uppercase];
[new makeImmutable];
return new;
}
- (OFString*)lowercaseString
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new lowercase];
[new makeImmutable];
return new;
}
- (OFString*)capitalizedString
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new capitalize];
[new makeImmutable];
return new;
}
- (OFString*)stringByDeletingLeadingWhitespaces
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new deleteLeadingWhitespaces];
[new makeImmutable];
return new;
}
- (OFString*)stringByDeletingTrailingWhitespaces
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new deleteTrailingWhitespaces];
[new makeImmutable];
return new;
}
- (OFString*)stringByDeletingEnclosingWhitespaces
{
OFMutableString *new = [[self mutableCopy] autorelease];
[new deleteEnclosingWhitespaces];
[new makeImmutable];
return new;
}
- (bool)hasPrefix: (OFString*)prefix
{
of_unichar_t *tmp;
const of_unichar_t *prefixCharacters;
size_t prefixLength;
bool hasPrefix;
if ((prefixLength = [prefix length]) > [self length])
return false;
tmp = [self allocMemoryWithSize: sizeof(of_unichar_t)
count: prefixLength];
@try {
void *pool = objc_autoreleasePoolPush();
[self getCharacters: tmp
inRange: of_range(0, prefixLength)];
prefixCharacters = [prefix characters];
hasPrefix = (memcmp(tmp, prefixCharacters,
prefixLength * sizeof(of_unichar_t)) == 0);
objc_autoreleasePoolPop(pool);
} @finally {
[self freeMemory: tmp];
}
return hasPrefix;
}
- (bool)hasSuffix: (OFString*)suffix
{
of_unichar_t *tmp;
const of_unichar_t *suffixCharacters;
size_t length, suffixLength;
bool hasSuffix;
if ((suffixLength = [suffix length]) > [self length])
return false;
length = [self length];
tmp = [self allocMemoryWithSize: sizeof(of_unichar_t)
count: suffixLength];
@try {
void *pool = objc_autoreleasePoolPush();
[self getCharacters: tmp
inRange: of_range(length - suffixLength,
suffixLength)];
suffixCharacters = [suffix characters];
hasSuffix = (memcmp(tmp, suffixCharacters,
suffixLength * sizeof(of_unichar_t)) == 0);
objc_autoreleasePoolPop(pool);
} @finally {
[self freeMemory: tmp];
}
return hasSuffix;
}
- (OFArray*)componentsSeparatedByString: (OFString*)delimiter
{
return [self componentsSeparatedByString: delimiter
options: 0];
}
- (OFArray*)componentsSeparatedByString: (OFString*)delimiter
options: (int)options
{
void *pool;
OFMutableArray *array = [OFMutableArray array];
const of_unichar_t *characters, *delimiterCharacters;
bool skipEmpty = (options & OF_STRING_SKIP_EMPTY);
size_t length = [self length];
size_t delimiterLength = [delimiter length];
size_t last;
OFString *component;
pool = objc_autoreleasePoolPush();
characters = [self characters];
delimiterCharacters = [delimiter characters];
if (delimiterLength > length) {
[array addObject: [[self copy] autorelease]];
[array makeImmutable];
objc_autoreleasePoolPop(pool);
return array;
}
last = 0;
for (size_t i = 0; i <= length - delimiterLength; i++) {
if (memcmp(characters + i, delimiterCharacters,
delimiterLength * sizeof(of_unichar_t)) != 0)
continue;
component = [self substringWithRange: of_range(last, i - last)];
if (!skipEmpty || [component length] > 0)
[array addObject: component];
i += delimiterLength - 1;
last = i + 1;
}
component = [self substringWithRange: of_range(last, length - last)];
if (!skipEmpty || [component length] > 0)
[array addObject: component];
[array makeImmutable];
objc_autoreleasePoolPop(pool);
return array;
}
- (OFArray*)pathComponents
{
OFMutableArray *ret;
void *pool;
const of_unichar_t *characters;
size_t i, last = 0, length = [self length];
ret = [OFMutableArray array];
if (length == 0)
return ret;
pool = objc_autoreleasePoolPush();
characters = [self characters];
if (OF_IS_PATH_DELIMITER(characters[length - 1]))
length--;
for (i = 0; i < length; i++) {
if (OF_IS_PATH_DELIMITER(characters[i])) {
[ret addObject: [self substringWithRange:
of_range(last, i - last)]];
last = i + 1;
}
}
[ret addObject: [self substringWithRange: of_range(last, i - last)]];
[ret makeImmutable];
objc_autoreleasePoolPop(pool);
return ret;
}
- (OFString*)lastPathComponent
{
void *pool;
const of_unichar_t *characters;
size_t length = [self length];
ssize_t i;
if (length == 0)
return @"";
pool = objc_autoreleasePoolPush();
characters = [self characters];
if (OF_IS_PATH_DELIMITER(characters[length - 1]))
length--;
if (length == 0) {
objc_autoreleasePoolPop(pool);
return @"";
}
if (length - 1 > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
for (i = length - 1; i >= 0; i--) {
if (OF_IS_PATH_DELIMITER(characters[i])) {
i++;
break;
}
}
objc_autoreleasePoolPop(pool);
/*
* Only one component, but the trailing delimiter might have been
* removed, so return a new string anyway.
*/
if (i < 0)
i = 0;
return [self substringWithRange: of_range(i, length - i)];
}
- (OFString*)pathExtension
{
void *pool = objc_autoreleasePoolPush();
OFString *ret, *fileName;
size_t pos;
fileName = [self lastPathComponent];
pos = [fileName rangeOfString: @"."
options: OF_STRING_SEARCH_BACKWARDS].location;
if (pos == OF_NOT_FOUND || pos == 0)
return @"";
ret = [fileName substringWithRange:
of_range(pos + 1, [fileName length] - pos - 1)];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
- (OFString*)stringByDeletingLastPathComponent
{
void *pool;
const of_unichar_t *characters;
size_t length = [self length];
if (length == 0)
return @"";
pool = objc_autoreleasePoolPush();
characters = [self characters];
if (OF_IS_PATH_DELIMITER(characters[length - 1]))
length--;
if (length == 0) {
objc_autoreleasePoolPop(pool);
return [self substringWithRange: of_range(0, 1)];
}
for (size_t i = length - 1; i >= 1; i--) {
if (OF_IS_PATH_DELIMITER(characters[i])) {
objc_autoreleasePoolPop(pool);
return [self substringWithRange: of_range(0, i)];
}
}
if (OF_IS_PATH_DELIMITER(characters[0])) {
objc_autoreleasePoolPop(pool);
return [self substringWithRange: of_range(0, 1)];
}
objc_autoreleasePoolPop(pool);
return OF_PATH_CURRENT_DIRECTORY;
}
- (OFString*)stringByDeletingPathExtension
{
void *pool;
OFMutableArray *components;
OFString *ret, *fileName;
size_t pos;
if ([self length] == 0)
return [[self copy] autorelease];
pool = objc_autoreleasePoolPush();
components = [[[self pathComponents] mutableCopy] autorelease];
fileName = [components lastObject];
pos = [fileName rangeOfString: @"."
options: OF_STRING_SEARCH_BACKWARDS].location;
if (pos == OF_NOT_FOUND || pos == 0) {
objc_autoreleasePoolPop(pool);
return [[self copy] autorelease];
}
fileName = [fileName substringWithRange: of_range(0, pos)];
[components replaceObjectAtIndex: [components count] - 1
withObject: fileName];
ret = [OFString pathWithComponents: components];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
- (OFString*)stringByStandardizingPath
{
return standardizePath([self pathComponents],
OF_PATH_CURRENT_DIRECTORY, OF_PATH_PARENT_DIRECTORY,
OF_PATH_DELIMITER_STRING);
}
- (OFString*)stringByStandardizingURLPath
{
return standardizePath([self componentsSeparatedByString: @"/"],
@".", @"..", @"/");
}
- (intmax_t)decimalValue
{
void *pool = objc_autoreleasePoolPush();
const of_unichar_t *characters = [self characters];
size_t i = 0, length = [self length];
intmax_t value = 0;
bool expectWhitespace = false;
while (length > 0 && (*characters == ' ' || *characters == '\t' ||
*characters == '\n' || *characters == '\r' ||
*characters == '\f')) {
characters++;
length--;
}
if (length == 0) {
objc_autoreleasePoolPop(pool);
return 0;
}
if (characters[0] == '-' || characters[0] == '+')
i++;
for (; i < length; i++) {
if (expectWhitespace) {
if (characters[i] != ' ' && characters[i] != '\t' &&
characters[i] != '\n' && characters[i] != '\r' &&
characters[i] != '\f')
@throw [OFInvalidFormatException exception];
continue;
}
if (characters[i] >= '0' && characters[i] <= '9') {
if (INTMAX_MAX / 10 < value ||
INTMAX_MAX - value * 10 < characters[i] - '0')
@throw [OFOutOfRangeException exception];
value = (value * 10) + (characters[i] - '0');
} else if (characters[i] == ' ' || characters[i] == '\t' ||
characters[i] == '\n' || characters[i] == '\r' ||
characters[i] == '\f')
expectWhitespace = true;
else
@throw [OFInvalidFormatException exception];
}
if (characters[0] == '-')
value *= -1;
objc_autoreleasePoolPop(pool);
return value;
}
- (uintmax_t)hexadecimalValue
{
void *pool = objc_autoreleasePoolPush();
const of_unichar_t *characters = [self characters];
size_t i = 0, length = [self length];
uintmax_t value = 0;
bool expectWhitespace = false, foundValue = false;
while (length > 0 && (*characters == ' ' || *characters == '\t' ||
*characters == '\n' || *characters == '\r' ||
*characters == '\f')) {
characters++;
length--;
}
if (length == 0) {
objc_autoreleasePoolPop(pool);
return 0;
}
if (length >= 2 && characters[0] == '0' && characters[1] == 'x')
i = 2;
else if (length >= 1 && (characters[0] == 'x' || characters[0] == '$'))
i = 1;
for (; i < length; i++) {
uintmax_t newValue;
if (expectWhitespace) {
if (characters[i] != ' ' && characters[i] != '\t' &&
characters[i] != '\n' && characters[i] != '\r' &&
characters[i] != '\f')
@throw [OFInvalidFormatException exception];
continue;
}
if (characters[i] >= '0' && characters[i] <= '9') {
newValue = (value << 4) | (characters[i] - '0');
foundValue = true;
} else if (characters[i] >= 'A' && characters[i] <= 'F') {
newValue = (value << 4) | (characters[i] - 'A' + 10);
foundValue = true;
} else if (characters[i] >= 'a' && characters[i] <= 'f') {
newValue = (value << 4) | (characters[i] - 'a' + 10);
foundValue = true;
} else if (characters[i] == 'h' || characters[i] == ' ' ||
characters[i] == '\t' || characters[i] == '\n' ||
characters[i] == '\r' || characters[i] == '\f') {
expectWhitespace = true;
continue;
} else
@throw [OFInvalidFormatException exception];
if (newValue < value)
@throw [OFOutOfRangeException exception];
value = newValue;
}
if (!foundValue)
@throw [OFInvalidFormatException exception];
objc_autoreleasePoolPop(pool);
return value;
}
- (float)floatValue
{
void *pool = objc_autoreleasePoolPush();
const char *UTF8String = [self UTF8String];
char *endPointer = NULL;
float value;
while (*UTF8String == ' ' || *UTF8String == '\t' ||
*UTF8String == '\n' || *UTF8String == '\r' || *UTF8String == '\f')
UTF8String++;
value = strtof(UTF8String, &endPointer);
/* Check if there are any invalid chars left */
if (endPointer != NULL)
for (; *endPointer != '\0'; endPointer++)
if (*endPointer != ' ' && *endPointer != '\t' &&
*endPointer != '\n' && *endPointer != '\r' &&
*endPointer != '\f')
@throw [OFInvalidFormatException exception];
objc_autoreleasePoolPop(pool);
return value;
}
- (double)doubleValue
{
void *pool = objc_autoreleasePoolPush();
const char *UTF8String = [self UTF8String];
char *endPointer = NULL;
double value;
while (*UTF8String == ' ' || *UTF8String == '\t' ||
*UTF8String == '\n' || *UTF8String == '\r' || *UTF8String == '\f')
UTF8String++;
value = strtod(UTF8String, &endPointer);
/* Check if there are any invalid chars left */
if (endPointer != NULL)
for (; *endPointer != '\0'; endPointer++)
if (*endPointer != ' ' && *endPointer != '\t' &&
*endPointer != '\n' && *endPointer != '\r' &&
*endPointer != '\f')
@throw [OFInvalidFormatException exception];
objc_autoreleasePoolPop(pool);
return value;
}
- (const of_unichar_t*)characters
{
OFObject *object = [[[OFObject alloc] init] autorelease];
size_t length = [self length];
of_unichar_t *ret;
ret = [object allocMemoryWithSize: sizeof(of_unichar_t)
count: length];
[self getCharacters: ret
inRange: of_range(0, length)];
return ret;
}
- (const of_char16_t*)UTF16String
{
return [self UTF16StringWithByteOrder: OF_BYTE_ORDER_NATIVE];
}
- (const of_char16_t*)UTF16StringWithByteOrder: (of_byte_order_t)byteOrder
{
OFObject *object = [[[OFObject alloc] init] autorelease];
void *pool = objc_autoreleasePoolPush();
const of_unichar_t *characters = [self characters];
size_t length = [self length];
of_char16_t *ret;
size_t j;
bool swap = (byteOrder != OF_BYTE_ORDER_NATIVE);
/* Allocate memory for the worst case */
ret = [object allocMemoryWithSize: sizeof(of_char16_t)
count: (length + 1) * 2];
j = 0;
for (size_t i = 0; i < length; i++) {
of_unichar_t c = characters[i];
if (c > 0x10FFFF)
@throw [OFInvalidEncodingException exception];
if (swap) {
if (c > 0xFFFF) {
c -= 0x10000;
ret[j++] = OF_BSWAP16(0xD800 | (c >> 10));
ret[j++] = OF_BSWAP16(0xDC00 | (c & 0x3FF));
} else
ret[j++] = OF_BSWAP16(c);
} else {
if (c > 0xFFFF) {
c -= 0x10000;
ret[j++] = 0xD800 | (c >> 10);
ret[j++] = 0xDC00 | (c & 0x3FF);
} else
ret[j++] = c;
}
}
ret[j] = 0;
@try {
ret = [object resizeMemory: ret
size: sizeof(of_char16_t)
count: j + 1];
} @catch (OFOutOfMemoryException *e) {
/* We don't care, as we only tried to make it smaller */
}
objc_autoreleasePoolPop(pool);
return ret;
}
- (size_t)UTF16StringLength
{
const of_unichar_t *characters = [self characters];
size_t length, UTF16StringLength;
length = UTF16StringLength = [self length];
for (size_t i = 0; i < length; i++)
if (characters[i] > 0xFFFF)
UTF16StringLength++;
return UTF16StringLength;
}
- (const of_char32_t*)UTF32String
{
return [self UTF32StringWithByteOrder: OF_BYTE_ORDER_NATIVE];
}
- (const of_char32_t*)UTF32StringWithByteOrder: (of_byte_order_t)byteOrder
{
OFObject *object = [[[OFObject alloc] init] autorelease];
size_t length = [self length];
of_char32_t *ret;
ret = [object allocMemoryWithSize: sizeof(of_char32_t)
count: length + 1];
[self getCharacters: ret
inRange: of_range(0, length)];
ret[length] = 0;
if (byteOrder != OF_BYTE_ORDER_NATIVE)
for (size_t i = 0; i < length; i++)
ret[i] = OF_BSWAP32(ret[i]);
return ret;
}
#ifdef OF_HAVE_FILES
- (void)writeToFile: (OFString*)path
{
[self writeToFile: path
encoding: OF_STRING_ENCODING_UTF_8];
}
- (void)writeToFile: (OFString*)path
encoding: (of_string_encoding_t)encoding
{
void *pool = objc_autoreleasePoolPush();
OFFile *file;
file = [OFFile fileWithPath: path
mode: @"wb"];
[file writeString: self
encoding: encoding];
objc_autoreleasePoolPop(pool);
}
#endif
#ifdef OF_HAVE_BLOCKS
- (void)enumerateLinesUsingBlock: (of_string_line_enumeration_block_t)block
{
void *pool = objc_autoreleasePoolPush();
const of_unichar_t *characters = [self characters];
size_t i, last = 0, length = [self length];
bool stop = false, lastCarriageReturn = false;
for (i = 0; i < length && !stop; i++) {
if (lastCarriageReturn && characters[i] == '\n') {
lastCarriageReturn = false;
last++;
continue;
}
if (characters[i] == '\n' || characters[i] == '\r') {
void *pool2 = objc_autoreleasePoolPush();
block([self substringWithRange:
of_range(last, i - last)], &stop);
last = i + 1;
objc_autoreleasePoolPop(pool2);
}
lastCarriageReturn = (characters[i] == '\r');
}
if (!stop)
block([self substringWithRange: of_range(last, i - last)],
&stop);
objc_autoreleasePoolPop(pool);
}
#endif
@end