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/*
* Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* 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.
*/
#ifndef OBJFW_OF_STRING_H
#define OBJFW_OF_STRING_H
#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif
#include "objfw-defs.h"
#ifdef OF_HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <stdarg.h>
#include <stdint.h>
#ifdef OF_HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#include "OFObject.h"
#import "OFObject.h"
#ifdef __OBJC__
# import "OFSerialization.h"
# import "OFJSONRepresentation.h"
# import "OFMessagePackRepresentation.h"
#import "OFJSONRepresentation.h"
#import "OFMessagePackRepresentation.h"
#endif
OF_ASSUME_NONNULL_BEGIN
/** @file */
#ifdef __OBJC__
@class OFArray OF_GENERIC(ObjectType);
@class OFCharacterSet;
@class OFConstantString;
@class OFString;
@class OFIRI;
#else
typedef void OFString;
@class OFString;
#endif
#if defined(__cplusplus) && __cplusplus >= 201103L
typedef char16_t OFChar16;
typedef char32_t OFChar32;
#else
typedef uint_least16_t OFChar16;
typedef uint_least32_t OFChar32;
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* @param line The current line
* @param stop A pointer to a variable that can be set to true to stop the
* enumeration
*/
typedef void (^OFStringLineEnumerationBlock)(OFString *line, bool *stop);
#endif
#ifdef __OBJC__
@class OFArray OF_GENERIC(ObjectType);
@class OFCharacterSet;
@class OFURI;
/**
* @class OFString OFString.h ObjFW/OFString.h
*
* @brief A class for handling strings.
*/
@interface OFString: OFObject <OFCopying, OFMutableCopying, OFComparing,
OFSerialization, OFJSONRepresentation, OFMessagePackRepresentation>
OFJSONRepresentation, OFMessagePackRepresentation>
/**
* @brief The length of the string in Unicode codepoints.
*/
@property (readonly, nonatomic) size_t length;
/**
* @brief The OFString as a UTF-8 encoded C string.
*
* The result is valid until the autorelease pool is released. If you want to
* use the result outside the scope of the current autorelease pool, you have to
* copy it.
*/
@property (readonly, nonatomic) const char *UTF8String OF_RETURNS_INNER_POINTER;
@property (readonly, nonatomic) const char *UTF8String;
/**
* @brief The number of bytes the string needs in UTF-8 encoding.
*/
@property (readonly, nonatomic) size_t UTF8StringLength;
/**
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*
* The result is valid until the autorelease pool is released. If you want to
* use the result outside the scope of the current autorelease pool, you have to
* copy it.
*
* The returned string is *not* null-terminated.
*/
@property (readonly, nonatomic) const OFUnichar *characters
@property (readonly, nonatomic) const OFUnichar *characters;
OF_RETURNS_INNER_POINTER;
/**
* @brief The string in UTF-16 encoding with native byte order.
*
* The result is valid until the autorelease pool is released. If you want to
* use the result outside the scope of the current autorelease pool, you have to
* copy it.
*
* The returned string is null-terminated.
*/
@property (readonly, nonatomic) const OFChar16 *UTF16String
@property (readonly, nonatomic) const OFChar16 *UTF16String;
OF_RETURNS_INNER_POINTER;
/**
* @brief The length of the string in UTF-16 characters.
*/
@property (readonly, nonatomic) size_t UTF16StringLength;
/**
* @brief The string in UTF-32 encoding with native byte order.
*
* The result is valid until the autorelease pool is released. If you want to
* use the result outside the scope of the current autorelease pool, you have to
* copy it.
*
* The returned string is null-terminated.
*/
@property (readonly, nonatomic) const OFChar32 *UTF32String
@property (readonly, nonatomic) const OFChar32 *UTF32String;
OF_RETURNS_INNER_POINTER;
/**
* @brief The string with leading whitespaces deleted.
*/
@property (readonly, nonatomic) OFString *stringByDeletingLeadingWhitespaces;
/**
* @brief The string with trailing whitespaces deleted.
*/
@property (readonly, nonatomic) OFString *stringByDeletingTrailingWhitespaces;
/**
* @brief The string with leading and trailing whitespaces deleted.
*/
@property (readonly, nonatomic) OFString *stringByDeletingEnclosingWhitespaces;
# ifdef OF_HAVE_UNICODE_TABLES
/**
* @brief The string in Unicode Normalization Form D (NFD).
*/
@property (readonly, nonatomic) OFString *decomposedStringWithCanonicalMapping;
#if defined(OF_WINDOWS) || defined(DOXYGEN)
/**
* @brief The string in Unicode Normalization Form KD (NFKD).
*/
@property (readonly, nonatomic)
OFString *decomposedStringWithCompatibilityMapping;
# endif
# ifdef OF_WINDOWS
/**
* @brief The string with the Windows Environment Strings expanded.
*/
@property (readonly, nonatomic)
OFString *stringByExpandingWindowsEnvironmentStrings;
# endif
#endif
/**
* @brief Creates a new OFString.
*
* @return A new, autoreleased OFString
*/
+ (instancetype)string;
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* @return A new autoreleased OFString
* @throw OFInvalidFormatException The specified format is invalid
* @throw OFInvalidEncodingException The resulting string is not in not in UTF-8
* encoding
*/
+ (instancetype)stringWithFormat: (OFConstantString *)format, ...;
# ifdef OF_HAVE_FILES
#ifdef OF_HAVE_FILES
/**
* @brief Creates a new OFString with the contents of the specified UTF-8
* encoded file.
*
* @param path The path to the file
* @return A new autoreleased OFString
* @throw OFInvalidEncodingException The string is not properly UTF-8-encoded
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* @param path The path to the file
* @param encoding The encoding of the file
* @return A new autoreleased OFString
* @throw OFInvalidEncodingException The string is not in the specified encoding
*/
+ (instancetype)stringWithContentsOfFile: (OFString *)path
encoding: (OFStringEncoding)encoding;
# endif
#endif
/**
* @brief Creates a new OFString with the contents of the specified URI.
* @brief Creates a new OFString with the contents of the specified IRI.
*
* If the URI's scheme is file, it tries UTF-8 encoding.
* If the IRI's scheme is file, it tries UTF-8 encoding.
*
* If the URI's scheme is http(s), it tries to detect the encoding from the HTTP
* If the IRI's scheme is http(s), it tries to detect the encoding from the HTTP
* headers. If it could not detect the encoding using the HTTP headers, it tries
* UTF-8.
*
* @param URI The URI to the contents for the string
* @param IRI The IRI to the contents for the string
* @return A new autoreleased OFString
* @throw OFInvalidEncodingException The string is not in the expected encoding
*/
+ (instancetype)stringWithContentsOfURI: (OFURI *)URI;
+ (instancetype)stringWithContentsOfIRI: (OFIRI *)IRI;
/**
* @brief Creates a new OFString with the contents of the specified URI in the
* @brief Creates a new OFString with the contents of the specified IRI in the
* specified encoding.
*
* @param URI The URI to the contents for the string
* @param IRI The IRI to the contents for the string
* @param encoding The encoding to assume
* @return A new autoreleased OFString
* @throw OFInvalidEncodingException The string is not in the specified encoding
*/
+ (instancetype)stringWithContentsOfURI: (OFURI *)URI
+ (instancetype)stringWithContentsOfIRI: (OFIRI *)IRI
encoding: (OFStringEncoding)encoding;
/**
* @brief Initializes an already allocated OFString to be empty.
*
* @return An initialized OFString
*/
- (instancetype)init OF_DESIGNATED_INITIALIZER;
/**
* @brief Initializes an already allocated OFString from a UTF-8 encoded C
* string.
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @return An initialized OFString
* @throw OFInvalidEncodingException The string is not properly UTF-8-encoded
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* @throw OFInvalidFormatException The specified format is invalid
* @throw OFInvalidEncodingException The resulting string is not in not in UTF-8
* encoding
*/
- (instancetype)initWithFormat: (OFConstantString *)format
arguments: (va_list)arguments;
# ifdef OF_HAVE_FILES
#ifdef OF_HAVE_FILES
/**
* @brief Initializes an already allocated OFString with the contents of the
* specified file in the specified encoding.
*
* @param path The path to the file
* @return An initialized OFString
* @throw OFInvalidEncodingException The string is not properly UTF-8-encoded
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* @param path The path to the file
* @param encoding The encoding of the file
* @return An initialized OFString
* @throw OFInvalidEncodingException The string is not in the specified encoding
*/
- (instancetype)initWithContentsOfFile: (OFString *)path
encoding: (OFStringEncoding)encoding;
# endif
#endif
/**
* @brief Initializes an already allocated OFString with the contents of the
* specified URI.
* specified IRI.
*
* If the URI's scheme is file, it tries UTF-8 encoding.
* If the IRI's scheme is file, it tries UTF-8 encoding.
*
* If the URI's scheme is http(s), it tries to detect the encoding from the HTTP
* If the IRI's scheme is http(s), it tries to detect the encoding from the HTTP
* headers. If it could not detect the encoding using the HTTP headers, it tries
* UTF-8.
*
* @param URI The URI to the contents for the string
* @param IRI The IRI to the contents for the string
* @return An initialized OFString
* @throw OFInvalidEncodingException The string is not in the expected encoding
*/
- (instancetype)initWithContentsOfURI: (OFURI *)URI;
- (instancetype)initWithContentsOfIRI: (OFIRI *)IRI;
/**
* @brief Initializes an already allocated OFString with the contents of the
* specified URI in the specified encoding.
* specified IRI in the specified encoding.
*
* @param URI The URI to the contents for the string
* @param IRI The IRI to the contents for the string
* @param encoding The encoding to assume
* @return An initialized OFString
* @throw OFInvalidEncodingException The string is not in the specified encoding
*/
- (instancetype)initWithContentsOfURI: (OFURI *)URI
- (instancetype)initWithContentsOfIRI: (OFIRI *)IRI
encoding: (OFStringEncoding)encoding;
/**
* @brief Writes the OFString into the specified C string with the specified
* encoding.
*
* @param cString The C string to write into
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* copy it.
*
* @param encoding The encoding for the C string
* @return The OFString as a C string in the specified encoding
* @throw OFInvalidEncodingException The string cannot be represented in the
* specified encoding
*/
- (const char *)cStringWithEncoding: (OFStringEncoding)encoding
- (const char *)cStringWithEncoding: (OFStringEncoding)encoding;
OF_RETURNS_INNER_POINTER;
/**
* @brief Returns the OFString as a C string in the specified encoding,
* replacing characters that cannot be represented in the specified
* encoding with a question mark.
*
* The result is valid until the autorelease pool is released. If you want to
* use the result outside the scope of the current autorelease pool, you have to
* copy it.
*
* @param encoding The encoding for the C string
* @return The OFString as a C string in the specified encoding
*/
- (const char *)lossyCStringWithEncoding: (OFStringEncoding)encoding
- (const char *)lossyCStringWithEncoding: (OFStringEncoding)encoding;
OF_RETURNS_INNER_POINTER;
/**
* @brief Returns the number of bytes the string needs in the specified
* encoding.
*
* @param encoding The encoding for the string
* @return The number of bytes the string needs in the specified encoding.
|
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*
* The returned string is null-terminated.
*
* @param byteOrder The byte order for the UTF-16 encoding
* @return The string in UTF-16 encoding with the specified byte order
* @throw OFInvalidEncodingException The string cannot be represented in UTF-16
*/
- (const OFChar16 *)UTF16StringWithByteOrder: (OFByteOrder)byteOrder
- (const OFChar16 *)UTF16StringWithByteOrder: (OFByteOrder)byteOrder;
OF_RETURNS_INNER_POINTER;
/**
* @brief Returns the string in UTF-32 encoding with the specified byte order.
*
* The result is valid until the autorelease pool is released. If you want to
* use the result outside the scope of the current autorelease pool, you have to
* copy it.
*
* The returned string is null-terminated.
*
* @param byteOrder The byte order for the UTF-32 encoding
* @return The string in UTF-32 encoding with the specified byte order
*/
- (const OFChar32 *)UTF32StringWithByteOrder: (OFByteOrder)byteOrder
- (const OFChar32 *)UTF32StringWithByteOrder: (OFByteOrder)byteOrder;
OF_RETURNS_INNER_POINTER;
/**
* @brief Returns the string as OFData with the specified encoding.
*
* @param encoding The encoding to use for the returned OFData
* @return The string as OFData with the specified encoding
* @throw OFInvalidEncodingException The string cannot be represented in the
* specified encoding
*/
- (OFData *)dataWithEncoding: (OFStringEncoding)encoding;
# ifdef OF_HAVE_FILES
#ifdef OF_HAVE_FILES
/**
* @brief Writes the string into the specified file using UTF-8 encoding.
*
* @param path The path of the file to write to
*/
- (void)writeToFile: (OFString *)path;
/**
* @brief Writes the string into the specified file using the specified
* encoding.
*
* @param path The path of the file to write to
* @param encoding The encoding to use to write the string into the file
* @throw OFInvalidEncodingException The string cannot be represented in the
* specified encoding
*/
- (void)writeToFile: (OFString *)path encoding: (OFStringEncoding)encoding;
# endif
#endif
/**
* @brief Writes the string to the specified URI using UTF-8 encoding.
* @brief Writes the string to the specified IRI using UTF-8 encoding.
*
* @param URI The URI to write to
* @param IRI The IRI to write to
*/
- (void)writeToURI: (OFURI *)URI;
- (void)writeToIRI: (OFIRI *)IRI;
/**
* @brief Writes the string to the specified URI using the specified encoding.
* @brief Writes the string to the specified IRI using the specified encoding.
*
* @param URI The URI to write to
* @param encoding The encoding to use to write the string to the URI
* @param IRI The IRI to write to
* @param encoding The encoding to use to write the string to the IRI
* @throw OFInvalidEncodingException The string cannot be represented in the
* specified encoding
*/
- (void)writeToURI: (OFURI *)URI encoding: (OFStringEncoding)encoding;
- (void)writeToIRI: (OFIRI *)IRI encoding: (OFStringEncoding)encoding;
# ifdef OF_HAVE_BLOCKS
#ifdef OF_HAVE_BLOCKS
/**
* Enumerates all lines in the receiver using the specified block.
*
* @brief block The block to call for each line
*/
- (void)enumerateLinesUsingBlock: (OFStringLineEnumerationBlock)block;
# endif
#endif
@end
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Parses the specified string encoding name and returns the
* OFStringEncoding for it.
|
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extern size_t OFUTF32StringLength(const OFChar32 *);
#ifdef __cplusplus
}
#endif
OF_ASSUME_NONNULL_END
#include "OFConstantString.h"
#include "OFMutableString.h"
#import "OFConstantString.h"
#import "OFMutableString.h"
#ifdef __OBJC__
# import "OFString+CryptographicHashing.h"
# import "OFString+JSONParsing.h"
# ifdef OF_HAVE_FILES
# import "OFString+PathAdditions.h"
# endif
# import "OFString+PercentEncoding.h"
# import "OFString+PropertyListParsing.h"
#import "OFString+CryptographicHashing.h"
#import "OFString+JSONParsing.h"
#ifdef OF_HAVE_FILES
# import "OFString+PathAdditions.h"
#endif
#import "OFString+PercentEncoding.h"
#import "OFString+PropertyListParsing.h"
# import "OFString+Serialization.h"
# import "OFString+XMLEscaping.h"
# import "OFString+XMLUnescaping.h"
#import "OFString+XMLEscaping.h"
#import "OFString+XMLUnescaping.h"
#endif
#if defined(__OBJC__) && !defined(NSINTEGER_DEFINED) && !__has_feature(modules)
#if !defined(NSINTEGER_DEFINED) && !__has_feature(modules)
/*
* Very *ugly* hack required for string boxing literals to work.
*
* This hack is needed in order to work with `@class NSString` from Apple's
* objc/NSString.h - which is included when using modules - as
* @compatibility_alias does not work if @class has been used before.
* For some reason, this makes Clang refer to OFString for string box literals
* and not to NSString (which would result in a linker error, but would be the
* correct behavior).
*
* TODO: Submit a patch for Clang that makes the boxing classes configurable!
*/
@interface NSString: OFString
@end
#endif
#endif
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