/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* 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"
#ifdef __OBJC__
# import "OFSerialization.h"
# import "OFJSONRepresentation.h"
# import "OFMessagePackRepresentation.h"
#endif
OF_ASSUME_NONNULL_BEGIN
/** @file */
#ifdef __OBJC__
@class OFConstantString;
@class OFString;
#else
typedef void OFString;
#endif
#if defined(__cplusplus) && __cplusplus >= 201103L
typedef char16_t of_char16_t;
typedef char32_t of_char32_t;
#else
typedef uint_least16_t of_char16_t;
typedef uint_least32_t of_char32_t;
#endif
typedef of_char32_t of_unichar_t;
/**
* @brief The encoding of a string.
*/
typedef enum of_string_encoding_t {
/*
* UTF-8 *has* to be 0, so that if the current @ref OFLocale is
* `nil`, `[OFLocale encoding]` returns UTF-8.
*/
/** UTF-8 */
OF_STRING_ENCODING_UTF_8,
/** ASCII */
OF_STRING_ENCODING_ASCII,
/** ISO 8859-1 */
OF_STRING_ENCODING_ISO_8859_1,
/** ISO 8859-2 */
OF_STRING_ENCODING_ISO_8859_2,
/** ISO 8859-3 */
OF_STRING_ENCODING_ISO_8859_3,
/** ISO 8859-15 */
OF_STRING_ENCODING_ISO_8859_15,
/** Windows-1251 */
OF_STRING_ENCODING_WINDOWS_1251,
/** Windows-1252 */
OF_STRING_ENCODING_WINDOWS_1252,
/** Codepage 437 */
OF_STRING_ENCODING_CODEPAGE_437,
/** Codepage 850 */
OF_STRING_ENCODING_CODEPAGE_850,
/** Codepage 858 */
OF_STRING_ENCODING_CODEPAGE_858,
/** Mac OS Roman */
OF_STRING_ENCODING_MAC_ROMAN,
/** KOI8-R */
OF_STRING_ENCODING_KOI8_R,
/** KOI8-U */
OF_STRING_ENCODING_KOI8_U,
/** Try to automatically detect the encoding */
OF_STRING_ENCODING_AUTODETECT = 0xFF
} of_string_encoding_t;
enum {
OF_STRING_SEARCH_BACKWARDS = 1,
OF_STRING_SKIP_EMPTY = 2
};
#ifdef OF_HAVE_BLOCKS
/**
* @brief A block for enumerating the lines of a string.
*
* @param line The current line
* @param stop A pointer to a variable that can be set to true to stop the
* enumeration
*/
typedef void (^of_string_line_enumeration_block_t)(OFString *line, bool *stop);
#endif
#ifdef __OBJC__
@class OFArray OF_GENERIC(ObjectType);
@class OFCharacterSet;
@class OFURL;
/**
* @class OFString OFString.h ObjFW/OFString.h
*
* @brief A class for handling strings.
*/
@interface OFString: OFObject <OFCopying, OFMutableCopying, OFComparing,
OFSerialization, 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;
/**
* @brief The number of bytes the string needs in UTF-8 encoding.
*/
@property (readonly, nonatomic) size_t UTF8StringLength;
/**
* @brief The string in uppercase.
*/
@property (readonly, nonatomic) OFString *uppercaseString;
/**
* @brief The string in lowercase.
*/
@property (readonly, nonatomic) OFString *lowercaseString;
/**
* @brief The string in capitalized form.
*
* @note This only considers spaces, tabs and newlines to be word delimiters!
* Also note that this might change in the future to all word delimiters
* specified by Unicode!
*/
@property (readonly, nonatomic) OFString *capitalizedString;
/**
* @brief The decimal value of the string as a `long long`.
*
* Leading and trailing whitespaces are ignored.
*
* If the string contains any non-number characters, an
* @ref OFInvalidFormatException is thrown.
*
* If the number is too big to fit into a `long long`, an
* @ref OFOutOfRangeException is thrown.
*/
@property (readonly, nonatomic) long long longLongValue;
/**
* @brief The decimal value of the string as an `unsigned long long`.
*
* Leading and trailing whitespaces are ignored.
*
* If the string contains any non-number characters, an
* @ref OFInvalidFormatException is thrown.
*
* If the number is too big to fit into an `unsigned long long`, an
* @ref OFOutOfRangeException is thrown.
*/
@property (readonly, nonatomic) unsigned long long unsignedLongLongValue;
/**
* @brief The float value of the string as a float.
*
* If the string contains any non-number characters, an
* @ref OFInvalidFormatException is thrown.
*/
@property (readonly, nonatomic) float floatValue;
/**
* @brief The double value of the string as a double.
*
* If the string contains any non-number characters, an
* @ref OFInvalidFormatException is thrown.
*/
@property (readonly, nonatomic) double doubleValue;
/**
* @brief The string as an array of Unicode characters.
*
* 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 of_unichar_t *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.
*/
@property (readonly, nonatomic) const of_char16_t *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.
*/
@property (readonly, nonatomic) const of_char32_t *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;
/**
* @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
/**
* @brief Creates a new OFString.
*
* @return A new, autoreleased OFString
*/
+ (instancetype)string;
/**
* @brief Creates a new OFString from a UTF-8 encoded C string.
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF8String: (const char *)UTF8String;
/**
* @brief Creates a new OFString from a UTF-8 encoded C string with the
* specified length.
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @param UTF8StringLength The length of the UTF-8 encoded C string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF8String: (const char *)UTF8String
length: (size_t)UTF8StringLength;
/**
* @brief Creates a new OFString from a UTF-8 encoded C string without copying
* the string, if possible.
*
* If initialization fails for whatever reason, the passed C string is free'd
* if `freeWhenDone` is true.
*
* @note OFMutableString always creates a copy!
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @param freeWhenDone Whether to free the C string when the OFString gets
* deallocated
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF8StringNoCopy: (char *)UTF8String
freeWhenDone: (bool)freeWhenDone;
/**
* @brief Creates a new OFString from a UTF-8 encoded C string with the
* specified length without copying the string, if possible.
*
* If initialization fails for whatever reason, the passed C string is free'd
* if `freeWhenDone` is true.
*
* @note OFMutableString always creates a copy!
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @param UTF8StringLength The length of the UTF-8 encoded C string
* @param freeWhenDone Whether to free the C string when the OFString gets
* deallocated
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF8StringNoCopy: (char *)UTF8String
length: (size_t)UTF8StringLength
freeWhenDone: (bool)freeWhenDone;
/**
* @brief Creates a new OFString from a C string with the specified encoding.
*
* @param cString A C string to initialize the OFString with
* @param encoding The encoding of the C string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithCString: (const char *)cString
encoding: (of_string_encoding_t)encoding;
/**
* @brief Creates a new OFString from a C string with the specified encoding
* and length.
*
* @param cString A C string to initialize the OFString with
* @param encoding The encoding of the C string
* @param cStringLength The length of the C string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithCString: (const char *)cString
encoding: (of_string_encoding_t)encoding
length: (size_t)cStringLength;
/**
* @brief Creates a new OFString from OFData with the specified encoding.
*
* @param data OFData with the contents of the string
* @param encoding The encoding in which the string is stored in the OFData
* @return An new autoreleased OFString
*/
+ (instancetype)stringWithData: (OFData *)data
encoding: (of_string_encoding_t)encoding;
/**
* @brief Creates a new OFString from another string.
*
* @param string A string to initialize the OFString with
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithString: (OFString *)string;
/**
* @brief Creates a new OFString from a Unicode string with the specified
* length.
*
* @param characters An array of Unicode characters
* @param length The length of the Unicode character array
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithCharacters: (const of_unichar_t *)characters
length: (size_t)length;
/**
* @brief Creates a new OFString from a UTF-16 encoded string.
*
* @param string The UTF-16 string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF16String: (const of_char16_t *)string;
/**
* @brief Creates a new OFString from a UTF-16 encoded string with the
* specified length.
*
* @param string The UTF-16 string
* @param length The length of the UTF-16 string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
length: (size_t)length;
/**
* @brief Creates a new OFString from a UTF-16 encoded string, assuming the
* specified byte order if no byte order mark is found.
*
* @param string The UTF-16 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Creates a new OFString from a UTF-16 encoded string with the
* specified length, assuming the specified byte order if no byte order
* mark is found.
*
* @param string The UTF-16 string
* @param length The length of the UTF-16 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF16String: (const of_char16_t *)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Creates a new OFString from a UTF-32 encoded string.
*
* @param string The UTF-32 string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF32String: (const of_char32_t *)string;
/**
* @brief Creates a new OFString from a UTF-32 encoded string with the
* specified length.
*
* @param string The UTF-32 string
* @param length The length of the UTF-32 string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
length: (size_t)length;
/**
* @brief Creates a new OFString from a UTF-32 encoded string, assuming the
* specified byte order if no byte order mark is found.
*
* @param string The UTF-32 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Creates a new OFString from a UTF-32 encoded string with the
* specified length, assuming the specified byte order if no byte order
* mark is found.
*
* @param string The UTF-32 string
* @param length The length of the UTF-32 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithUTF32String: (const of_char32_t *)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Creates a new OFString from a format string.
*
* See printf for the format syntax. As an addition, `%@` is available as
* format specifier for objects, `%C` for `of_unichar_t` and `%S` for
* `const of_unichar_t *`.
*
* @param format A string used as format to initialize the OFString
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithFormat: (OFConstantString *)format, ...;
# 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
*/
+ (instancetype)stringWithContentsOfFile: (OFString *)path;
/**
* @brief Creates a new OFString with the contents of the specified file in the
* specified encoding.
*
* @param path The path to the file
* @param encoding The encoding of the file
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithContentsOfFile: (OFString *)path
encoding: (of_string_encoding_t)encoding;
# endif
# if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
/**
* @brief Creates a new OFString with the contents of the specified URL.
*
* If the URL's scheme is file, it tries UTF-8 encoding.
*
* If the URL'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 URL The URL to the contents for the string
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithContentsOfURL: (OFURL *)URL;
/**
* @brief Creates a new OFString with the contents of the specified URL in the
* specified encoding.
*
* @param URL The URL to the contents for the string
* @param encoding The encoding to assume
* @return A new autoreleased OFString
*/
+ (instancetype)stringWithContentsOfURL: (OFURL *)URL
encoding: (of_string_encoding_t)encoding;
# endif
/**
* @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
*/
- (instancetype)initWithUTF8String: (const char *)UTF8String;
/**
* @brief Initializes an already allocated OFString from a UTF-8 encoded C
* string with the specified length.
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @param UTF8StringLength The length of the UTF-8 encoded C string
* @return An initialized OFString
*/
- (instancetype)initWithUTF8String: (const char *)UTF8String
length: (size_t)UTF8StringLength;
/**
* @brief Initializes an already allocated OFString from an UTF-8 encoded C
* string without copying the string, if possible.
*
* If initialization fails for whatever reason, the passed C string is free'd
* if `freeWhenDone` is true.
*
* @note OFMutableString always creates a copy!
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @param freeWhenDone Whether to free the C string when it is not needed
* anymore
* @return An initialized OFString
*/
- (instancetype)initWithUTF8StringNoCopy: (char *)UTF8String
freeWhenDone: (bool)freeWhenDone;
/**
* @brief Initializes an already allocated OFString from an UTF-8 encoded C
* string with the specified length without copying the string, if
* possible.
*
* If initialization fails for whatever reason, the passed C string is free'd
* if `freeWhenDone` is true.
*
* @note OFMutableString always creates a copy!
*
* @param UTF8String A UTF-8 encoded C string to initialize the OFString with
* @param UTF8StringLength The length of the UTF-8 encoded C string
* @param freeWhenDone Whether to free the C string when it is not needed
* anymore
* @return An initialized OFString
*/
- (instancetype)initWithUTF8StringNoCopy: (char *)UTF8String
length: (size_t)UTF8StringLength
freeWhenDone: (bool)freeWhenDone;
/**
* @brief Initializes an already allocated OFString from a C string with the
* specified encoding.
*
* @param cString A C string to initialize the OFString with
* @param encoding The encoding of the C string
* @return An initialized OFString
*/
- (instancetype)initWithCString: (const char *)cString
encoding: (of_string_encoding_t)encoding;
/**
* @brief Initializes an already allocated OFString from a C string with the
* specified encoding and length.
*
* @param cString A C string to initialize the OFString with
* @param encoding The encoding of the C string
* @param cStringLength The length of the C string
* @return An initialized OFString
*/
- (instancetype)initWithCString: (const char *)cString
encoding: (of_string_encoding_t)encoding
length: (size_t)cStringLength;
/**
* @brief Initializes an already allocated OFString from OFData with the
* specified encoding.
*
* @param data OFData with the contents of the string
* @param encoding The encoding in which the string is stored in the OFData
* @return An initialized OFString
*/
- (instancetype)initWithData: (OFData *)data
encoding: (of_string_encoding_t)encoding;
/**
* @brief Initializes an already allocated OFString with another string.
*
* @param string A string to initialize the OFString with
* @return An initialized OFString
*/
- (instancetype)initWithString: (OFString *)string;
/**
* @brief Initializes an already allocated OFString with a Unicode string with
* the specified length.
*
* @param characters An array of Unicode characters
* @param length The length of the Unicode character array
* @return An initialized OFString
*/
- (instancetype)initWithCharacters: (const of_unichar_t *)characters
length: (size_t)length;
/**
* @brief Initializes an already allocated OFString with a UTF-16 string.
*
* @param string The UTF-16 string
* @return An initialized OFString
*/
- (instancetype)initWithUTF16String: (const of_char16_t *)string;
/**
* @brief Initializes an already allocated OFString with a UTF-16 string with
* the specified length.
*
* @param string The UTF-16 string
* @param length The length of the UTF-16 string
* @return An initialized OFString
*/
- (instancetype)initWithUTF16String: (const of_char16_t *)string
length: (size_t)length;
/**
* @brief Initializes an already allocated OFString with a UTF-16 string,
* assuming the specified byte order if no byte order mark is found.
*
* @param string The UTF-16 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return An initialized OFString
*/
- (instancetype)initWithUTF16String: (const of_char16_t *)string
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Initializes an already allocated OFString with a UTF-16 string with
* the specified length, assuming the specified byte order if no byte
* order mark is found.
*
* @param string The UTF-16 string
* @param length The length of the UTF-16 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return An initialized OFString
*/
- (instancetype)initWithUTF16String: (const of_char16_t *)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Initializes an already allocated OFString with a UTF-32 string.
*
* @param string The UTF-32 string
* @return An initialized OFString
*/
- (instancetype)initWithUTF32String: (const of_char32_t *)string;
/**
* @brief Initializes an already allocated OFString with a UTF-32 string with
* the specified length
*
* @param string The UTF-32 string
* @param length The length of the UTF-32 string
* @return An initialized OFString
*/
- (instancetype)initWithUTF32String: (const of_char32_t *)string
length: (size_t)length;
/**
* @brief Initializes an already allocated OFString with a UTF-32 string,
* assuming the specified byte order if no byte order mark is found.
*
* @param string The UTF-32 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return An initialized OFString
*/
- (instancetype)initWithUTF32String: (const of_char32_t *)string
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Initializes an already allocated OFString with a UTF-32 string with
* the specified length, assuming the specified byte order if no byte
* order mark is found.
*
* @param string The UTF-32 string
* @param length The length of the UTF-32 string
* @param byteOrder The byte order to assume if there is no byte order mark
* @return An initialized OFString
*/
- (instancetype)initWithUTF32String: (const of_char32_t *)string
length: (size_t)length
byteOrder: (of_byte_order_t)byteOrder;
/**
* @brief Initializes an already allocated OFString with a format string.
*
* See printf for the format syntax. As an addition, `%@` is available as
* format specifier for objects, `%C` for `of_unichar_t` and `%S` for
* `const of_unichar_t *`.
*
* @param format A string used as format to initialize the OFString
* @return An initialized OFString
*/
- (instancetype)initWithFormat: (OFConstantString *)format, ...;
/**
* @brief Initializes an already allocated OFString with a format string.
*
* See printf for the format syntax. As an addition, `%@` is available as
* format specifier for objects, `%C` for `of_unichar_t` and `%S` for
* `const of_unichar_t *`.
*
* @param format A string used as format to initialize the OFString
* @param arguments The arguments used in the format string
* @return An initialized OFString
*/
- (instancetype)initWithFormat: (OFConstantString *)format
arguments: (va_list)arguments;
# 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
*/
- (instancetype)initWithContentsOfFile: (OFString *)path;
/**
* @brief Initializes an already allocated OFString with the contents of the
* specified file in the specified encoding.
*
* @param path The path to the file
* @param encoding The encoding of the file
* @return An initialized OFString
*/
- (instancetype)initWithContentsOfFile: (OFString *)path
encoding: (of_string_encoding_t)encoding;
# endif
/**
* @brief Initializes an already allocated OFString with the contents of the
* specified URL.
*
* If the URL's scheme is file, it tries UTF-8 encoding.
*
* If the URL'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 URL The URL to the contents for the string
* @return An initialized OFString
*/
- (instancetype)initWithContentsOfURL: (OFURL *)URL;
/**
* @brief Initializes an already allocated OFString with the contents of the
* specified URL in the specified encoding.
*
* @param URL The URL to the contents for the string
* @param encoding The encoding to assume
* @return An initialized OFString
*/
- (instancetype)initWithContentsOfURL: (OFURL *)URL
encoding: (of_string_encoding_t)encoding;
/**
* @brief Writes the OFString into the specified C string with the specified
* encoding.
*
* @param cString The C string to write into
* @param maxLength The maximum number of bytes to write into the C string,
* including the terminating zero
* @param encoding The encoding to use for writing into the C string
* @return The number of bytes written into the C string, without the
* terminating zero
*/
- (size_t)getCString: (char *)cString
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding;
/**
* @brief Writes the OFString into the specified C string with the specified
* encoding, replacing characters that cannot be represented in the
* specified encoding with a question mark.
*
* @param cString The C string to write into
* @param maxLength The maximum number of bytes to write into the C string,
* including the terminating zero
* @param encoding The encoding to use for writing into the C string
* @return The number of bytes written into the C string, without the
* terminating zero
*/
- (size_t)getLossyCString: (char *)cString
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding;
/**
* @brief Returns the OFString as a C string in the specified encoding.
*
* 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 *)cStringWithEncoding: (of_string_encoding_t)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: (of_string_encoding_t)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.
*/
- (size_t)cStringLengthWithEncoding: (of_string_encoding_t)encoding;
/**
* @brief Compares the OFString to another OFString without caring about the
* case.
*
* @param otherString A string to compare with
* @return An of_comparison_result_t
*/
- (of_comparison_result_t)caseInsensitiveCompare: (OFString *)otherString;
/**
* @brief Returns the Unicode character at the specified index.
*
* @param index The index of the Unicode character to return
* @return The Unicode character at the specified index
*/
- (of_unichar_t)characterAtIndex: (size_t)index;
/**
* @brief Copies the Unicode characters in the specified range to the specified
* buffer.
*
* @param buffer The buffer to store the Unicode characters
* @param range The range of the Unicode characters to copy
*/
- (void)getCharacters: (of_unichar_t *)buffer
inRange: (of_range_t)range;
/**
* @brief Returns the range of the first occurrence of the string.
*
* @param string The string to search
* @return The range of the first occurrence of the string or a range with
* `OF_NOT_FOUND` as start position if it was not found
*/
- (of_range_t)rangeOfString: (OFString *)string;
/**
* @brief Returns the range of the string.
*
* @param string The string to search
* @param options Options modifying search behavior.@n
* Possible values are:
* Value | Description
* -----------------------------|-------------------------------
* `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
* @return The range of the first occurrence of the string or a range with
* `OF_NOT_FOUND` as start position if it was not found
*/
- (of_range_t)rangeOfString: (OFString *)string
options: (int)options;
/**
* @brief Returns the range of the string in the specified range.
*
* @param string The string to search
* @param options Options modifying search behaviour.@n
* Possible values are:
* Value | Description
* -----------------------------|-------------------------------
* `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
* @param range The range in which to search
* @return The range of the first occurrence of the string or a range with
* `OF_NOT_FOUND` as start position if it was not found
*/
- (of_range_t)rangeOfString: (OFString *)string
options: (int)options
range: (of_range_t)range;
/**
* @brief Returns the index of the first character from the set.
*
* @param characterSet The set of characters to search for
* @return The index of the first occurrence of a character from the set or
* `OF_NOT_FOUND` if it was not found
*/
- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet;
/**
* @brief Returns the index of the first character from the set.
*
* @param characterSet The set of characters to search for
* @param options Options modifying search behaviour.@n
* Possible values are:
* Value | Description
* -----------------------------|-------------------------------
* `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
* @return The index of the first occurrence of a character from the set or
* `OF_NOT_FOUND` if it was not found
*/
- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
options: (int)options;
/**
* @brief Returns the index of the first character from the set.
*
* @param characterSet The set of characters to search for
* @param options Options modifying search behaviour.@n
* Possible values are:
* Value | Description
* -----------------------------|-------------------------------
* `OF_STRING_SEARCH_BACKWARDS` | Search backwards in the string
* @param range The range in which to search
* @return The index of the first occurrence of a character from the set or
* `OF_NOT_FOUND` if it was not found
*/
- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
options: (int)options
range: (of_range_t)range;
/**
* @brief Returns whether the string contains the specified string.
*
* @param string The string to search
* @return Whether the string contains the specified string
*/
- (bool)containsString: (OFString *)string;
/**
* @brief Creates a substring from the specified index to the end.
*
* @param idx The index from where the substring should start, inclusive
* @return The substring from the specified index to the end
*/
- (OFString *)substringFromIndex: (size_t)idx;
/**
* @brief Creates a substring from the beginning to the specified index.
*
* @param idx The index at which the substring should end, exclusive
* @return The subtring from the beginning to the specified index
*/
- (OFString *)substringToIndex: (size_t)idx;
/**
* @brief Creates a substring with the specified range.
*
* @param range The range of the substring
* @return The substring as a new autoreleased OFString
*/
- (OFString *)substringWithRange: (of_range_t)range;
/**
* @brief The value of the string in the specified base as a `long long`.
*
* Leading and trailing whitespaces are ignored.
*
* If the string contains any non-number characters, an
* @ref OFInvalidFormatException is thrown.
*
* If the number is too big to fit into a `long long`, an
* @ref OFOutOfRangeException is thrown.
*
* @param base The base to use. If the base is 0, base 16 is assumed if the
* string starts with 0x (after stripping white spaces). If the
* string starts with 0, base 8 is assumed. Otherwise, base 10 is
* assumed.
* @return The value of the string in the specified base
*/
- (long long)longLongValueWithBase: (int)base;
/**
* @brief The value of the string in the specified base as an
* `unsigned long long`.
*
* Leading and trailing whitespaces are ignored.
*
* If the string contains any non-number characters, an
* @ref OFInvalidFormatException is thrown.
*
* If the number is too big to fit into an `unsigned long long`, an
* @ref OFOutOfRangeException is thrown.
*
* @param base The base to use. If the base is 0, base 16 is assumed if the
* string starts with 0x (after stripping white spaces). If the
* string starts with 0, base 8 is assumed. Otherwise, base 10 is
* assumed.
* @return The value of the string in the specified base
*/
- (unsigned long long)unsignedLongLongValueWithBase: (int)base;
/**
* @brief Creates a new string by appending another string.
*
* @param string The string to append
* @return A new, autoreleased OFString with the specified string appended
*/
- (OFString *)stringByAppendingString: (OFString *)string;
/**
* @brief Creates a new string by appending the specified format.
*
* @param format A format string which generates the string to append
* @return A new, autoreleased OFString with the specified format appended
*/
- (OFString *)stringByAppendingFormat: (OFConstantString *)format, ...;
/**
* @brief Creates a new string by appending the specified format.
*
* @param format A format string which generates the string to append
* @param arguments The arguments used in the format string
* @return A new, autoreleased OFString with the specified format appended
*/
- (OFString *)stringByAppendingFormat: (OFConstantString *)format
arguments: (va_list)arguments;
/**
* @brief Creates a new string by prepending another string.
*
* @param string The string to prepend
* @return A new autoreleased OFString with the specified string prepended
*/
- (OFString *)stringByPrependingString: (OFString *)string;
/**
* @brief Creates a new string by replacing the occurrences of the specified
* string with the specified replacement.
*
* @param string The string to replace
* @param replacement The string with which it should be replaced
* @return A new string with the occurrences of the specified string replaced
*/
- (OFString *)stringByReplacingOccurrencesOfString: (OFString *)string
withString: (OFString *)replacement;
/**
* @brief Creates a new string by replacing the occurrences of the specified
* string in the specified range with the specified replacement.
*
* @param string The string to replace
* @param replacement The string with which it should be replaced
* @param options Options modifying search behaviour.
* Possible values are:
* * None yet
* @param range The range in which to replace the string
* @return A new string with the occurrences of the specified string replaced
*/
- (OFString *)stringByReplacingOccurrencesOfString: (OFString *)string
withString: (OFString *)replacement
options: (int)options
range: (of_range_t)range;
/**
* @brief Checks whether the string has the specified prefix.
*
* @param prefix The prefix to check for
* @return A boolean whether the string has the specified prefix
*/
- (bool)hasPrefix: (OFString *)prefix;
/**
* @brief Checks whether the string has the specified suffix.
*
* @param suffix The suffix to check for
* @return A boolean whether the string has the specified suffix
*/
- (bool)hasSuffix: (OFString *)suffix;
/**
* @brief Separates the string into an array of strings, split by the specified
* delimiter.
*
* @param delimiter The delimiter for separating
* @return An autoreleased OFArray with the separated string
*/
- (OFArray OF_GENERIC(OFString *) *)
componentsSeparatedByString: (OFString *)delimiter;
/**
* @brief Separates the string into an array of strings, split by the specified
* delimiter.
*
* @param delimiter The delimiter for separating
* @param options Options according to which the string should be separated.@n
* Possible values are:
* Value | Description
* -----------------------|----------------------
* `OF_STRING_SKIP_EMPTY` | Skip empty components
* @return An autoreleased OFArray with the separated string
*/
- (OFArray OF_GENERIC(OFString *) *)
componentsSeparatedByString: (OFString *)delimiter
options: (int)options;
/**
* @brief Separates the string into an array of strings, split by characters in
* the specified set.
*
* @param characterSet The character set for separating
* @return An autoreleased OFArray with the separated string
*/
- (OFArray OF_GENERIC(OFString *) *)
componentsSeparatedByCharactersInSet: (OFCharacterSet *)characterSet;
/**
* @brief Separates the string into an array of strings, split by characters in
* the specified set.
*
* @param characterSet The character set for separating
* @param options Options according to which the string should be separated.@n
* Possible values are:
* Value | Description
* -----------------------|----------------------
* `OF_STRING_SKIP_EMPTY` | Skip empty components
* @return An autoreleased OFArray with the separated string
*/
- (OFArray OF_GENERIC(OFString *) *)
componentsSeparatedByCharactersInSet: (OFCharacterSet *)characterSet
options: (int)options;
/**
* @brief Returns the string in UTF-16 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.
*
* @param byteOrder The byte order for the UTF-16 encoding
* @return The string in UTF-16 encoding with the specified byte order
*/
- (const of_char16_t *)UTF16StringWithByteOrder: (of_byte_order_t)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.
*
* @param byteOrder The byte order for the UTF-32 encoding
* @return The string in UTF-32 encoding with the specified byte order
*/
- (const of_char32_t *)UTF32StringWithByteOrder: (of_byte_order_t)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
*/
- (OFData *)dataWithEncoding: (of_string_encoding_t)encoding;
# 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
*/
- (void)writeToFile: (OFString *)path
encoding: (of_string_encoding_t)encoding;
# endif
/**
* @brief Writes the string to the specified URL using UTF-8 encoding.
*
* @param URL The URL to write to
*/
- (void)writeToURL: (OFURL *)URL;
/**
* @brief Writes the string to the specified URL using the specified encoding.
*
* @param URL The URL to write to
* @param encoding The encoding to use to write the string to the URL
*/
- (void)writeToURL: (OFURL *)URL
encoding: (of_string_encoding_t)encoding;
# 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: (of_string_line_enumeration_block_t)block;
# endif
@end
#endif
#ifdef __cplusplus
extern "C" {
#endif
extern of_string_encoding_t of_string_parse_encoding(OFString *);
extern OFString *_Nullable of_string_name_of_encoding(of_string_encoding_t);
extern size_t of_string_utf8_encode(of_unichar_t, char *);
extern ssize_t of_string_utf8_decode(const char *, size_t, of_unichar_t *);
extern size_t of_string_utf16_length(const of_char16_t *);
extern size_t of_string_utf32_length(const of_char32_t *);
#ifdef __cplusplus
}
#endif
OF_ASSUME_NONNULL_END
#include "OFConstantString.h"
#include "OFMutableString.h"
#ifdef __OBJC__
# import "OFString+CryptoHashing.h"
# import "OFString+JSONParsing.h"
# ifdef OF_HAVE_FILES
# import "OFString+PathAdditions.h"
# endif
# import "OFString+PropertyListParsing.h"
# import "OFString+Serialization.h"
# import "OFString+URLEncoding.h"
# import "OFString+XMLEscaping.h"
# import "OFString+XMLUnescaping.h"
#endif
#if defined(__OBJC__) && !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