/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   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.
 */

#import "OFString.h"

OF_ASSUME_NONNULL_BEGIN

/*!
 * @class OFMutableString OFString.h ObjFW/OFString.h
 *
 * @brief A class for storing and modifying strings.
 */
@interface OFMutableString: OFString
/*!
 * @brief Sets the character at the specified index.
 *
 * @param character The character to set
 * @param index The index where to set the character
 */
- (void)setCharacter: (of_unichar_t)character
	     atIndex: (size_t)index;

/*!
 * @brief Appends another OFString to the OFMutableString.
 *
 * @param string An OFString to append
 */
- (void)appendString: (OFString *)string;

/*!
 * @brief Appends the specified characters to the OFMutableString.
 *
 * @param characters An array of characters to append
 * @param length The length of the array of characters
 */
- (void)appendCharacters: (const of_unichar_t *)characters
		  length: (size_t)length;

/*!
 * @brief Appends a UTF-8 encoded C string to the OFMutableString.
 *
 * @param UTF8String A UTF-8 encoded C string to append
 */
- (void)appendUTF8String: (const char *)UTF8String;

/*!
 * @brief Appends a UTF-8 encoded C string with the specified length to the
 *	  OFMutableString.
 *
 * @param UTF8String A UTF-8 encoded C string to append
 * @param UTF8StringLength The length of the UTF-8 encoded C string
 */
- (void)appendUTF8String: (const char *)UTF8String
		  length: (size_t)UTF8StringLength;

/*!
 * @brief Appends a C string with the specified encoding to the OFMutableString.
 *
 * @param cString A C string to append
 * @param encoding The encoding of the C string
 */
- (void)appendCString: (const char *)cString
	     encoding: (of_string_encoding_t)encoding;

/*!
 * @brief Appends a C string with the specified encoding and length to the
 *	  OFMutableString.
 *
 * @param cString A C string to append
 * @param encoding The encoding of the C string
 * @param cStringLength The length of the UTF-8 encoded C string
 */
- (void)appendCString: (const char *)cString
	     encoding: (of_string_encoding_t)encoding
	       length: (size_t)cStringLength;

/*!
 * @brief Appends a formatted string to the OFMutableString.
 *
 * 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 format string which generates the string to append
 */
- (void)appendFormat: (OFConstantString *)format, ...;

/*!
 * @brief Appends a formatted string to the OFMutableString.
 *
 * 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 format string which generates the string to append
 * @param arguments The arguments used in the format string
 */
- (void)appendFormat: (OFConstantString *)format
	   arguments: (va_list)arguments;

/*!
 * @brief Prepends another OFString to the OFMutableString.
 *
 * @param string An OFString to prepend
 */
- (void)prependString: (OFString *)string;

/*!
 * @brief Reverses the string.
 */
- (void)reverse;

/*!
 * @brief Converts the string to uppercase.
 */
- (void)uppercase;

/*!
 * @brief Converts the string to lowercase.
 */
- (void)lowercase;

/*!
 * @brief Capitalizes the string.
 *
 * @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!
 */
- (void)capitalize;

/*!
 * @brief Inserts a string at the specified index.
 *
 * @param string The string to insert
 * @param index The index
 */
- (void)insertString: (OFString *)string
	     atIndex: (size_t)index;

/*!
 * @brief Deletes the characters at the specified range.
 *
 * @param range The range of the characters which should be removed
 */
- (void)deleteCharactersInRange: (of_range_t)range;

/*!
 * @brief Replaces the characters at the specified range.
 *
 * @param range The range of the characters which should be replaced
 * @param replacement The string to the replace the characters with
 */
- (void)replaceCharactersInRange: (of_range_t)range
		      withString: (OFString *)replacement;

/*!
 * @brief Replaces all occurrences of a string with another string.
 *
 * @param string The string to replace
 * @param replacement The string with which it should be replaced
 */
- (void)replaceOccurrencesOfString: (OFString *)string
			withString: (OFString *)replacement;

/*!
 * @brief Replaces all occurrences of a string in the specified range with
 *	  another string.
 *
 * @param string The string to replace
 * @param replacement The string with which it should be replaced
 * @param options Options modifying search behaviour
 *		  Possible values: None yet
 * @param range The range in which the string should be replaced
 */
- (void)replaceOccurrencesOfString: (OFString *)string
			withString: (OFString *)replacement
			   options: (int)options
			     range: (of_range_t)range;

/*!
 * @brief Deletes all whitespaces at the beginning of the string.
 */
- (void)deleteLeadingWhitespaces;

/*!
 * @brief Deletes all whitespaces at the end of the string.
 */
- (void)deleteTrailingWhitespaces;

/*!
 * @brief Deletes all whitespaces at the beginning and the end of the string.
 */
- (void)deleteEnclosingWhitespaces;

/*!
 * @brief Converts the mutable string to an immutable string.
 */
- (void)makeImmutable;
@end

OF_ASSUME_NONNULL_END
