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diff --git a/include/rtl/ustring.h b/include/rtl/ustring.h new file mode 100644 index 000000000..5e481c21c --- /dev/null +++ b/include/rtl/ustring.h @@ -0,0 +1,2371 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_RTL_USTRING_H +#define INCLUDED_RTL_USTRING_H + +#include "sal/config.h" + +#include "osl/interlck.h" +#include "rtl/string.h" +#include "rtl/textenc.h" +#include "sal/saldllapi.h" +#include "sal/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* ======================================================================= */ + +/** Return the length of a string. + + The length is equal to the number of 16-bit Unicode characters in the + string, without the terminating NUL character. + + @param str + a null-terminated string. + + @return + the length of the sequence of characters represented by this string, + excluding the terminating NUL character. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_getLength( + const sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Compare two strings. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. Both strings must be + null-terminated. + + @param first + the first null-terminated string to be compared. + + @param second + the second null-terminated string which is compared with the first one. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_compare( + const sal_Unicode * first, const sal_Unicode * second ) SAL_THROW_EXTERN_C(); + +/** Compare two strings. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_compare_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Unicode * second, sal_Int32 secondLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings with a maximum count of characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @param shortenedLen + the maximum number of characters to compare. This length can be greater + or smaller than the lengths of the two strings. + + @return + 0 if both substrings are equal, a value less than 0 if the first substring + is less than the second substring, and a value greater than 0 if the first + substring is greater than the second substring. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_shortenedCompare_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Unicode * second, sal_Int32 secondLen, sal_Int32 shortenedLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings from back to front. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @return + 0 if both strings are equal, a value less than 0 if the first string + compares less than the second string, and a value greater than 0 if the + first string compares greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_reverseCompare_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Unicode * second, sal_Int32 secondLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings from back to front for equality. + + The comparison is based on the numeric value of each character in the + strings and returns 'true' if, and only if, both strings are equal. + This function cannot be used for language-specific sorting. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified len. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified len. + + @param len + the length of both strings. + + @return + true if both strings are equal, false if they are not equal. + */ + +SAL_DLLPUBLIC sal_Bool SAL_CALL rtl_ustr_asciil_reverseEquals_WithLength( + const sal_Unicode * first, const sal_Char * second, sal_Int32 len ) SAL_THROW_EXTERN_C(); + +/** Compare two strings, ignoring the case of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. Both strings must be null-terminated. + + @param first + the first null-terminated string to be compared. + + @param second + the second null-terminated string which is compared with the first one. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_compareIgnoreAsciiCase( + const sal_Unicode * first, const sal_Unicode * second ) SAL_THROW_EXTERN_C(); + +/** Compare two strings, ignoring the case of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_compareIgnoreAsciiCase_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Unicode * second, sal_Int32 secondLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings with a maximum count of characters, ignoring the case + of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @param shortenedLen + the maximum number of characters to compare. This length can be greater + or smaller than the lengths of the two strings. + + @return + 0 if both substrings are equal, a value less than 0 if the first substring + is less than the second substring, and a value greater than 0 if the first + substring is greater than the second substring. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_shortenedCompareIgnoreAsciiCase_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Unicode * second, sal_Int32 secondLen, sal_Int32 shortenedLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. Both strings must be + null-terminated. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first null-terminated string to be compared. + + @param second + the second null-terminated ASCII string which is compared with the first + one. + + @return + 0 if both substrings are equal, a value less than 0 if the first substring + is less than the second substring, and a value greater than 0 if the first + substring is greater than the second substring. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_compare( + const sal_Unicode * first, const sal_Char * second ) SAL_THROW_EXTERN_C(); + +/** Compare two strings. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second null-terminated ASCII string which is compared with the first + one. + + @return + 0 if both substrings are equal, a value less than 0 if the first substring + is less than the second substring, and a value greater than 0 if the first + substring is greater than the second substring. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_compare_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second ) SAL_THROW_EXTERN_C(); + +/** Compare two strings with a maximum count of characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second null-terminated ASCII string which is compared with the first + one. + + @param shortenedLen + the maximum number of characters to compare. This length can be greater + or smaller than the lengths of the two strings. + + @return + 0 if both substrings are equal, a value less than 0 if the first substring + is less than the second substring, and a value greater than 0 if the first + substring is greater than the second substring. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_shortenedCompare_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second, sal_Int32 shortenedLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings from back to front. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. This function + cannot be used for language-specific sorting. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second ASCII string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @return + 0 if both strings are equal, a value less than 0 if the first string + compares less than the second string, and a value greater than 0 if the + first string compares greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_asciil_reverseCompare_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second, sal_Int32 secondLen ) SAL_THROW_EXTERN_C(); + +/** Compare two strings, ignoring the case of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. Both strings must be null-terminated. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first null-terminated string to be compared. + + @param second + the second null-terminated ASCII string which is compared with the first + one. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase( + const sal_Unicode * first, const sal_Char * second ) SAL_THROW_EXTERN_C(); + +/** Compare two strings, ignoring the case of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second null-terminated ASCII string which is compared with the first + one. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second ) SAL_THROW_EXTERN_C(); + +/** Compare two strings, ignoring the case of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second string which is compared with the first one. Need not be + null-terminated, but must be at least as long as the specified secondLen. + + @param secondLen + the length of the second string. + + @return + 0 if both strings are equal, a value less than 0 if the first string is + less than the second string, and a value greater than 0 if the first + string is greater than the second string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase_WithLengths( + sal_Unicode const * first, sal_Int32 firstLen, + char const * second, sal_Int32 secondLen) SAL_THROW_EXTERN_C(); + +/** Compare two strings with a maximum count of characters, ignoring the case + of ASCII characters. + + The comparison is based on the numeric value of each character in the + strings and returns a value indicating their relationship. Character + values between 65 and 90 (ASCII A--Z) are interpreted as values between 97 + and 122 (ASCII a--z). This function cannot be used for language-specific + sorting. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param first + the first string to be compared. Need not be null-terminated, but must be + at least as long as the specified firstLen. + + @param firstLen + the length of the first string. + + @param second + the second null-terminated ASCII string which is compared with the first + one. + + @param shortenedLen + the maximum number of characters to compare. This length can be greater + or smaller than the lengths of the two strings. + + @return + 0 if both substrings are equal, a value less than 0 if the first substring + is less than the second substring, and a value greater than 0 if the first + substring is greater than the second substring. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_ascii_shortenedCompareIgnoreAsciiCase_WithLength( + const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second, sal_Int32 shortenedLen ) SAL_THROW_EXTERN_C(); + +/** Return a hash code for a string. + + It is not allowed to store the hash code persistently, because later + versions could return other hash codes. The string must be + null-terminated. + + @param str + a null-terminated string. + + @return + a hash code for the given string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_hashCode( + const sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Return a hash code for a string. + + It is not allowed to store the hash code persistently, because later + versions could return other hash codes. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + + @return + a hash code for the given string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_hashCode_WithLength( + const sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C(); + +/** Search for the first occurrence of a character within a string. + + The string must be null-terminated. + + @param str + a null-terminated string. + + @param ch + the character to be searched for. + + @return + the index (starting at 0) of the first occurrence of the character in the + string, or -1 if the character does not occur. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_indexOfChar( + const sal_Unicode * str, sal_Unicode ch ) SAL_THROW_EXTERN_C(); + +/** Search for the first occurrence of a character within a string. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + + @param ch + the character to be searched for. + + @return + the index (starting at 0) of the first occurrence of the character in the + string, or -1 if the character does not occur. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_indexOfChar_WithLength( + const sal_Unicode * str, sal_Int32 len, sal_Unicode ch ) SAL_THROW_EXTERN_C(); + +/** Search for the last occurrence of a character within a string. + + The string must be null-terminated. + + @param str + a null-terminated string. + + @param ch + the character to be searched for. + + @return + the index (starting at 0) of the last occurrence of the character in the + string, or -1 if the character does not occur. The returned value is + always smaller than the string length. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_lastIndexOfChar( + const sal_Unicode * str, sal_Unicode ch ) SAL_THROW_EXTERN_C(); + +/** Search for the last occurrence of a character within a string. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + + @param ch + the character to be searched for. + + @return + the index (starting at 0) of the last occurrence of the character in the + string, or -1 if the character does not occur. The returned value is + always smaller than the string length. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_lastIndexOfChar_WithLength( + const sal_Unicode * str, sal_Int32 len, sal_Unicode ch ) SAL_THROW_EXTERN_C(); + +/** Search for the first occurrence of a substring within a string. + + If subStr is empty, or both str and subStr are empty, -1 is returned. + Both strings must be null-terminated. + + @param str + a null-terminated string. + + @param subStr + the null-terminated substring to be searched for. + + @return + the index (starting at 0) of the first character of the first occurrence + of the substring within the string, or -1 if the substring does not occur. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_indexOfStr( + const sal_Unicode * str, const sal_Unicode * subStr ) SAL_THROW_EXTERN_C(); + +/** Search for the first occurrence of a substring within a string. + + If subStr is empty, or both str and subStr are empty, -1 is returned. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + + @param subStr + the substring to be searched for. Need not be null-terminated, but must + be at least as long as the specified subLen. + + @param subLen + the length of the substring. + + @return + the index (starting at 0) of the first character of the first occurrence + of the substring within the string, or -1 if the substring does not occur. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_indexOfStr_WithLength( + const sal_Unicode * str, sal_Int32 len, const sal_Unicode * subStr, sal_Int32 subLen ) SAL_THROW_EXTERN_C(); + +/** Search for the first occurrence of an ASCII substring within a string. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string; must be non-negative. + + @param subStr + the substring to be searched for. Need not be null-terminated, but must + be at least as long as the specified subLen. Must only contain characters + in the ASCII range 0x00--7F. + + @param subLen + the length of the substring; must be non-negative. + + @return + the index (starting at 0) of the first character of the first occurrence + of the substring within the string, or -1 if the substring does not occur. + If subLen is zero, -1 is returned. + + @since UDK 3.2.7 +*/ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_indexOfAscii_WithLength( + sal_Unicode const * str, sal_Int32 len, + char const * subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C(); + +/** Search for the last occurrence of a substring within a string. + + If subStr is empty, or both str and subStr are empty, -1 is returned. + Both strings must be null-terminated. + + @param str + a null-terminated string. + + @param subStr + the null-terminated substring to be searched for. + + @return + the index (starting at 0) of the first character of the last occurrence + of the substring within the string, or -1 if the substring does not occur. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_lastIndexOfStr( + const sal_Unicode * str, const sal_Unicode * subStr ) SAL_THROW_EXTERN_C(); + +/** Search for the last occurrence of a substring within a string. + + If subStr is empty, or both str and subStr are empty, -1 is returned. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + + @param subStr + the substring to be searched for. Need not be null-terminated, but must + be at least as long as the specified subLen. + + @param subLen + the length of the substring. + + @return + the index (starting at 0) of the first character of the first occurrence + of the substring within the string, or -1 if the substring does not occur. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_lastIndexOfStr_WithLength( + const sal_Unicode * str, sal_Int32 len, const sal_Unicode * subStr, sal_Int32 subLen ) SAL_THROW_EXTERN_C(); + +/** Search for the last occurrence of an ASCII substring within a string. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string; must be non-negative. + + @param subStr + the substring to be searched for. Need not be null-terminated, but must + be at least as long as the specified subLen. Must only contain characters + in the ASCII range 0x00--7F. + + @param subLen + the length of the substring; must be non-negative. + + @return + the index (starting at 0) of the first character of the last occurrence + of the substring within the string, or -1 if the substring does not occur. + If subLen is zero, -1 is returned. + + @since UDK 3.2.7 +*/ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_lastIndexOfAscii_WithLength( + sal_Unicode const * str, sal_Int32 len, + char const * subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C(); + +/** Replace all occurrences of a single character within a string. + + If oldChar does not occur within str, then the string is not modified. + The string must be null-terminated. + + @param str + a null-terminated string. + + @param oldChar + the old character. + + @param newChar + the new character. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_ustr_replaceChar( + sal_Unicode * str, sal_Unicode oldChar, sal_Unicode newChar ) SAL_THROW_EXTERN_C(); + +/** Replace all occurrences of a single character within a string. + + If oldChar does not occur within str, then the string is not modified. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + + @param oldChar + the old character. + + @param newChar + the new character. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_ustr_replaceChar_WithLength( + sal_Unicode * str, sal_Int32 len, sal_Unicode oldChar, sal_Unicode newChar ) SAL_THROW_EXTERN_C(); + +/** Convert all ASCII uppercase letters to lowercase within a string. + + The characters with values between 65 and 90 (ASCII A--Z) are replaced + with values between 97 and 122 (ASCII a--z). The string must be + null-terminated. + + @param str + a null-terminated string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_ustr_toAsciiLowerCase( + sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Convert all ASCII uppercase letters to lowercase within a string. + + The characters with values between 65 and 90 (ASCII A--Z) are replaced + with values between 97 and 122 (ASCII a--z). + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_ustr_toAsciiLowerCase_WithLength( + sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C(); + +/** Convert all ASCII lowercase letters to uppercase within a string. + + The characters with values between 97 and 122 (ASCII a--z) are replaced + with values between 65 and 90 (ASCII A--Z). The string must be + null-terminated. + + @param str + a null-terminated string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_ustr_toAsciiUpperCase( + sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Convert all ASCII lowercase letters to uppercase within a string. + + The characters with values between 97 and 122 (ASCII a--z) are replaced + with values between 65 and 90 (ASCII A--Z). + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the length of the string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_ustr_toAsciiUpperCase_WithLength( + sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C(); + +/** Remove white space from both ends of a string. + + All characters with values less than or equal to 32 (the space character) + are considered to be white space. This function cannot be used for + language-specific operations. The string must be null-terminated. + + @param str + a null-terminated string. + + @return + the new length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_trim( + sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Remove white space from both ends of the string. + + All characters with values less than or equal to 32 (the space character) + are considered to be white space. This function cannot be used for + language-specific operations. The string must be null-terminated. + + @param str + a string. Need not be null-terminated, but must be at least as long as + the specified len. + + @param len + the original length of the string. + + @return + the new length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_trim_WithLength( + sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C(); + +/** Create the string representation of a boolean. + + If b is true, the buffer is filled with the string "true" and 5 is + returned. If b is false, the buffer is filled with the string "false" and + 6 is returned. This function cannot be used for language-specific + operations. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFBOOLEAN define to + create a buffer that is big enough. + + @param b + a boolean value. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfBoolean( + sal_Unicode * str, sal_Bool b ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MAX_VALUEOFBOOLEAN RTL_STR_MAX_VALUEOFBOOLEAN + +/** Create the string representation of a character. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFCHAR define to create a + buffer that is big enough. + + @param ch + a character value. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfChar( + sal_Unicode * str, sal_Unicode ch ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MAX_VALUEOFCHAR RTL_STR_MAX_VALUEOFCHAR + +/** Create the string representation of an integer. + + This function cannot be used for language-specific operations. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFINT32 define to create + a buffer that is big enough. + + @param i + an integer value. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfInt32( + sal_Unicode * str, sal_Int32 i, sal_Int16 radix ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MIN_RADIX RTL_STR_MIN_RADIX +#define RTL_USTR_MAX_RADIX RTL_STR_MAX_RADIX +#define RTL_USTR_MAX_VALUEOFINT32 RTL_STR_MAX_VALUEOFINT32 + +/** Create the string representation of a long integer. + + This function cannot be used for language-specific operations. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFINT64 define to create + a buffer that is big enough. + + @param l + a long integer value. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfInt64( + sal_Unicode * str, sal_Int64 l, sal_Int16 radix ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MAX_VALUEOFINT64 RTL_STR_MAX_VALUEOFINT64 + +/** Create the string representation of an unsigned long integer. + + This function cannot be used for language-specific operations. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFUINT64 define to create + a buffer that is big enough. + + @param l + a long integer value. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfUInt64( + sal_Unicode * str, sal_uInt64 l, sal_Int16 radix ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MAX_VALUEOFUINT64 RTL_STR_MAX_VALUEOFUINT64 + +/** Create the string representation of a float. + + This function cannot be used for language-specific conversion. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFFLOAT define to create + a buffer that is big enough. + + @param f + a float value. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfFloat( + sal_Unicode * str, float f ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MAX_VALUEOFFLOAT RTL_STR_MAX_VALUEOFFLOAT + +/** Create the string representation of a double. + + This function cannot be used for language-specific conversion. + + @param str + a buffer that is big enough to hold the result and the terminating NUL + character. You should use the RTL_USTR_MAX_VALUEOFDOUBLE define to create + a buffer that is big enough. + + @param d + a double value. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_valueOfDouble( + sal_Unicode * str, double d ) SAL_THROW_EXTERN_C(); +#define RTL_USTR_MAX_VALUEOFDOUBLE RTL_STR_MAX_VALUEOFDOUBLE + +/** Interpret a string as a boolean. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @return + true if the string is "1" or "true" in any ASCII case, false otherwise. + */ +SAL_DLLPUBLIC sal_Bool SAL_CALL rtl_ustr_toBoolean( + const sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as an integer. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the integer value represented by the string, or 0 if the string does not + represent an integer. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_ustr_toInt32( + const sal_Unicode * str, sal_Int16 radix ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as an unsigned integer. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the unsigned integer value represented by the string, or 0 if the string + does not represent an unsigned integer. + + @since LibreOffice 4.2 + */ +SAL_DLLPUBLIC sal_uInt32 SAL_CALL rtl_ustr_toUInt32( + const sal_Unicode * str, sal_Int16 radix ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as a long integer. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the long integer value represented by the string, or 0 if the string does + not represent a long integer. + */ +SAL_DLLPUBLIC sal_Int64 SAL_CALL rtl_ustr_toInt64( + const sal_Unicode * str, sal_Int16 radix ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as a long integer. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @param nStrLength + number of chars to process + + @return + the long integer value represented by the string, or 0 if the string does + not represent a long integer. + + @internal + @since LibreOffice 6.4 +*/ +SAL_DLLPUBLIC sal_Int64 SAL_CALL rtl_ustr_toInt64_WithLength( + const sal_Unicode * str, sal_Int16 radix, sal_Int32 nStrLength ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as an unsigned long integer. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @param radix + the radix. Must be between RTL_USTR_MIN_RADIX (2) and RTL_USTR_MAX_RADIX + (36), inclusive. + + @return + the unsigned long integer value represented by the string, or 0 if the + string does not represent an unsigned long integer. + + @since LibreOffice 4.1 + */ +SAL_DLLPUBLIC sal_uInt64 SAL_CALL rtl_ustr_toUInt64( + const sal_Unicode * str, sal_Int16 radix ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as a float. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @return + the float value represented by the string, or 0.0 if the string does not + represent a float. + */ +SAL_DLLPUBLIC float SAL_CALL rtl_ustr_toFloat( + const sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/** Interpret a string as a double. + + This function cannot be used for language-specific conversion. The string + must be null-terminated. + + @param str + a null-terminated string. + + @return + the float value represented by the string, or 0.0 if the string does not + represent a double. + */ +SAL_DLLPUBLIC double SAL_CALL rtl_ustr_toDouble( + const sal_Unicode * str ) SAL_THROW_EXTERN_C(); + +/* ======================================================================= */ + +#if defined(_WIN32) +#pragma pack(push, 4) +#endif + +/** @cond INTERNAL */ +/** The implementation of a Unicode string. +*/ +typedef struct SAL_DLLPUBLIC_RTTI _rtl_uString +{ + oslInterlockedCount refCount; /* opaque */ + sal_Int32 length; + sal_Unicode buffer[1]; +} rtl_uString; +/** @endcond */ + +#if defined(_WIN32) +#pragma pack(pop) +#endif + +/* ----------------------------------------------------------------------- */ + +/** Increment the reference count of a string. + + @param str + a string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_acquire( + rtl_uString * str ) SAL_THROW_EXTERN_C() SAL_HOT; + +/** Decrement the reference count of a string. + + If the count goes to zero than the string data is deleted. + + @param str + a string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_release( + rtl_uString * str ) SAL_THROW_EXTERN_C() SAL_HOT; + +/** Allocate a new string containing no characters. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_new( + rtl_uString ** newStr ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string containing space for a given number of characters. + + The reference count of the new string will be 1. The length of the string + will be nLen. This function does not handle out-of-memory conditions. + + For failed allocation this method returns NULL. + + The characters of the capacity are not cleared, and the length is set to + nLen, unlike the similar method of rtl_uString_new_WithLength which + zeros out the buffer, and sets the length to 0. So should be somewhat + more efficient for allocating a new string. + + call rtl_uString_release to release the string + alternatively pass ownership to an OUString with + rtl::OUString(newStr, SAL_NO_ACQUIRE); + + @param[in] nLen the number of characters. Must be >= 0. + + @return pointer to the new string. + + @since LibreOffice 4.1 + */ +SAL_DLLPUBLIC rtl_uString * SAL_CALL rtl_uString_alloc(sal_Int32 nLen) SAL_THROW_EXTERN_C(); + +/** Allocate a new string containing space for a given number of characters. + + If len is greater than zero, the reference count of the new string will be + 1. The values of all characters are set to 0 and the length of the string + is 0. This function does not handle out-of-memory conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param nLen + the number of characters. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_new_WithLength( + rtl_uString ** newStr, sal_Int32 nLen ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string that contains a copy of another string. + + If the length of value is greater than zero, the reference count of the + new string will be 1. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param value + a valid string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromString( + rtl_uString ** newStr, const rtl_uString * value ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string that contains a copy of a character array. + + If the length of value is greater than zero, the reference count of the + new string will be 1. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param value + a null-terminated character array. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromStr( + rtl_uString ** newStr, const sal_Unicode * value ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string that contains a copy of a character array. + + If the length of value is greater than zero, the reference count of the + new string will be 1. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param value + a character array. Need not be null-terminated, but must be at least as + long as the specified len. + + @param len + the length of the character array. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromStr_WithLength( + rtl_uString ** newStr, const sal_Unicode * value, sal_Int32 len ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string that is a substring of this string. + + The substring begins at the specified beginIndex and contains count + characters. Meaningless combinations such as negative beginIndex, + or beginIndex + count greater than the length of the string have + undefined behaviour. + + @param[out] newStr the specified substring. + @param[in] from the String to take the substring from. + @param[in] beginIndex the beginning index, inclusive. + @param[in] count the number of characters. + @return the specified substring. + + @since LibreOffice 4.0 + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromSubString( + rtl_uString ** newStr, const rtl_uString * from, + sal_Int32 beginIndex, sal_Int32 count ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string that contains a copy of a character array. + + If the length of value is greater than zero, the reference count of the + new string will be 1. This function does not handle out-of-memory + conditions. + + Since this function is optimized for performance, the ASCII character + values are not converted in any way. The caller has to make sure that + all ASCII characters are in the allowed range of 0 and 127, inclusive. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param value + a null-terminated ASCII character array. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromAscii( + rtl_uString ** newStr, const sal_Char * value ) SAL_THROW_EXTERN_C(); + +/** + @internal + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromLiteral( + rtl_uString ** newStr, const sal_Char * value, sal_Int32 len, + sal_Int32 allocExtra ) SAL_THROW_EXTERN_C(); + +/** Allocate a new string from an array of Unicode code points. + + @param newString + a non-null pointer to a (possibly null) rtl_uString pointer, which (if + non-null) will have been passed to rtl_uString_release before the function + returns. Upon return, points to the newly allocated string or to null if + there was either an out-of-memory condition or the resulting number of + UTF-16 code units would have been larger than SAL_MAX_INT32. The newly + allocated string (if any) must ultimately be passed to rtl_uString_release. + + @param codePoints + an array of at least codePointCount code points, which each must be in the + range from 0 to 0x10FFFF, inclusive. May be null if codePointCount is zero. + + @param codePointCount + the non-negative number of code points. + + @since UDK 3.2.7 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newFromCodePoints( + rtl_uString ** newString, sal_uInt32 const * codePoints, + sal_Int32 codePointCount) SAL_THROW_EXTERN_C(); + +/** Assign a new value to a string. + + First releases any value str might currently hold, then acquires + rightValue. + + @param str + pointer to the string. The pointed-to data must be null or a valid + string. + + @param rightValue + a valid string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_assign( + rtl_uString ** str, rtl_uString * rightValue ) SAL_THROW_EXTERN_C(); + +/** Return the length of a string. + + The length is equal to the number of characters in the string. + + @param str + a valid string. + + @return + the length of the string. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_uString_getLength( + const rtl_uString * str ) SAL_THROW_EXTERN_C(); + +/** Return a pointer to the underlying character array of a string. + + @param str + a valid string. + + @return + a pointer to the null-terminated character array. + */ +SAL_DLLPUBLIC sal_Unicode * SAL_CALL rtl_uString_getStr( + rtl_uString * str ) SAL_THROW_EXTERN_C(); + +/** Create a new string that is the concatenation of two other strings. + + The new string does not necessarily have a reference count of 1 (in cases + where one of the two other strings is empty), so it must not be modified + without checking the reference count. This function does not handle + out-of-memory conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param left + a valid string. + + @param right + a valid string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newConcat( + rtl_uString ** newStr, rtl_uString * left, rtl_uString * right ) SAL_THROW_EXTERN_C(); + +/** Create a new string that is the concatenation of two other strings. + + The new string does not necessarily have a reference count of 1 (in cases + where the ASCII string is empty), so it must not be modified without + checking the reference count. + + @param newString + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param left + a valid string. + + @param right must not be null and must point to memory of at least + \p rightLength ASCII bytes + + @param rightLength the length of the \p right string; must be non-negative + + @since LibreOffice 5.1 + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newConcatAsciiL( + rtl_uString ** newString, rtl_uString * left, char const * right, + sal_Int32 rightLength); + +/** Create a new string that is the concatenation of two other strings. + + The new string does not necessarily have a reference count of 1 (in cases + where the UTF-16 string is empty), so it must not be modified without + checking the reference count. + + @param newString pointer to the new string. The pointed-to data must be null + or a valid string. + + @param left a valid string. + + @param right must not be null and must point to memory of at least + \p rightLength UTF-16 code units + + @param rightLength the length of the \p right string; must be non-negative + + @since LibreOffice 5.3 + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newConcatUtf16L( + rtl_uString ** newString, rtl_uString * left, sal_Unicode const * right, + sal_Int32 rightLength); + +/** Create a new string by replacing a substring of another string. + + The new string results from replacing a number of characters (count), + starting at the specified position (index) in the original string (str), + with some new substring (subStr). If subStr is null, then only a number + of characters is deleted. + + The new string does not necessarily have a reference count of 1, so it + must not be modified without checking the reference count. This function + does not handle out-of-memory conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param str + a valid string. + + @param idx + the index into str at which to start replacement. Must be between 0 and + the length of str, inclusive. + + @param count + the number of characters to remove. Must not be negative, and the sum of + index and count must not exceed the length of str. + + @param subStr + either null or a valid string to be inserted. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceStrAt( + rtl_uString ** newStr, rtl_uString * str, sal_Int32 idx, sal_Int32 count, rtl_uString * subStr ) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a single character + within another string. + + The new string results from replacing all occurrences of oldChar in str + with newChar. + + The new string does not necessarily have a reference count of 1 (in cases + where oldChar does not occur in str), so it must not be modified without + checking the reference count. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param str + a valid string. + + @param oldChar + the old character. + + @param newChar + the new character. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplace( + rtl_uString ** newStr, rtl_uString * str, sal_Unicode oldChar, sal_Unicode newChar ) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null + + @param to pointer to the replacing substring; must not be null + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place or -1 if no replacement took place + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirst( + rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from, + rtl_uString const * to, sal_Int32 * index) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength ASCII bytes + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the replacing substring; must not be null + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place or -1 if no replacement took place + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirstAsciiL( + rtl_uString ** newStr, rtl_uString * str, char const * from, + sal_Int32 fromLength, rtl_uString const * to, sal_Int32 * index) + SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null + + @param to pointer to the replacing substring; must not be null and must + point to memory of at least \p toLength ASCII bytes + + @param toLength the length of the \p to substring; must be non-negative + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place or -1 if no replacement took place + + @since LibreOffice 5.1 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirstToAsciiL( + rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from, + char const * to, sal_Int32 toLength, sal_Int32 * index) + SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength ASCII bytes + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength ASCII bytes + + @param toLength the length of the \p to substring; must be non-negative + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place or -1 if no replacement took place + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirstAsciiLAsciiL( + rtl_uString ** newStr, rtl_uString * str, char const * from, + sal_Int32 fromLength, char const * to, sal_Int32 toLength, + sal_Int32 * index) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString; upon return, points to the newly + allocated string or to null if there was either an out-of-memory condition + or the resulting number of UTF-16 code units would have been larger than + SAL_MAX_INT32 + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength ASCII bytes + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength UTF-16 code units + + @param toLength the length of the \p to substring; must be non-negative + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place (or would have taken place if \p newStr points to + null upon return) or -1 if no replacement took place + + @since LibreOffice 5.3 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirstAsciiLUtf16L( + rtl_uString ** newStr, rtl_uString * str, char const * from, + sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength, + sal_Int32 * index) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString; upon return, points to the newly + allocated string or to null if there was either an out-of-memory condition + or the resulting number of UTF-16 code units would have been larger than + SAL_MAX_INT32 + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength UTF-16 code units + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength ASCII bytes + + @param toLength the length of the \p to substring; must be non-negative + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place (or would have taken place if \p newStr points to + null upon return) or -1 if no replacement took place + + @since LibreOffice 5.3 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirstUtf16LAsciiL( + rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from, + sal_Int32 fromLength, char const * to, sal_Int32 toLength, + sal_Int32 * index) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing the first occurrence of a given substring + with another substring. + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString; upon return, points to the newly + allocated string or to null if there was either an out-of-memory condition + or the resulting number of UTF-16 code units would have been larger than + SAL_MAX_INT32 + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength UTF-16 code units + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength UTF-16 code units + + @param toLength the length of the \p to substring; must be non-negative + + @param[in,out] index pointer to a start index, must not be null; upon entry + to the function its value is the index into the original string at which to + start searching for the \p from substring, the value must be non-negative + and not greater than the original string's length; upon exit from the + function its value is the index into the original string at which the + replacement took place (or would have taken place if \p newStr points to + null upon return) or -1 if no replacement took place + + @since LibreOffice 5.3 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceFirstUtf16LUtf16L( + rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from, + sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength, + sal_Int32 * index) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null + + @param to pointer to the replacing substring; must not be null + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAll( + rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from, + rtl_uString const * to) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null + + @param to pointer to the replacing substring; must not be null + + @param fromIndex the position in the string where we will begin searching + + @since LibreOffice 4.0 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllFromIndex( + rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from, + rtl_uString const * to, sal_Int32 fromIndex) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength ASCII bytes + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the replacing substring; must not be null + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllAsciiL( + rtl_uString ** newStr, rtl_uString * str, char const * from, + sal_Int32 fromLength, rtl_uString const * to) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null + + @param to pointer to the replacing substring; must not be null and must + point to memory of at least \p toLength ASCII bytes + + @param toLength the length of the \p to substring; must be non-negative + + @since LibreOffice 5.1 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllToAsciiL( + rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from, + char const * to, sal_Int32 toLength) SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength ASCII bytes + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength ASCII bytes + + @param toLength the length of the \p to substring; must be non-negative + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllAsciiLAsciiL( + rtl_uString ** newStr, rtl_uString * str, char const * from, + sal_Int32 fromLength, char const * to, sal_Int32 toLength) + SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString; upon return, points to the newly + allocated string or to null if there was either an out-of-memory condition + or the resulting number of UTF-16 code units would have been larger than + SAL_MAX_INT32 + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength ASCII bytes + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength UTF-16 code units + + @param toLength the length of the \p to substring; must be non-negative + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllAsciiLUtf16L( + rtl_uString ** newStr, rtl_uString * str, char const * from, + sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength) + SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString; upon return, points to the newly + allocated string or to null if there was either an out-of-memory condition + or the resulting number of UTF-16 code units would have been larger than + SAL_MAX_INT32 + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength UTF-16 code units + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength ASCII bytes + + @param toLength the length of the \p to substring; must be non-negative + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllUtf16LAsciiL( + rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from, + sal_Int32 fromLength, char const * to, sal_Int32 toLength) + SAL_THROW_EXTERN_C(); + +/** Create a new string by replacing all occurrences of a given substring with + another substring. + + Replacing subsequent occurrences picks up only after a given replacement. + That is, replacing from "xa" to "xx" in "xaa" results in "xxa", not "xxx". + + @param[in, out] newStr pointer to the new string; must not be null; must + point to null or a valid rtl_uString; upon return, points to the newly + allocated string or to null if there was either an out-of-memory condition + or the resulting number of UTF-16 code units would have been larger than + SAL_MAX_INT32 + + @param str pointer to the original string; must not be null + + @param from pointer to the substring to be replaced; must not be null and + must point to memory of at least \p fromLength UTF-16 code units + + @param fromLength the length of the \p from substring; must be non-negative + + @param to pointer to the substring to be replaced; must not be null and + must point to memory of at least \p toLength UTF-16 code units + + @param toLength the length of the \p to substring; must be non-negative + + @since LibreOffice 3.6 +*/ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newReplaceAllUtf16LUtf16L( + rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from, + sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength) + SAL_THROW_EXTERN_C(); + +/** Create a new string by converting all ASCII uppercase letters to lowercase + within another string. + + The new string results from replacing all characters with values between + 65 and 90 (ASCII A--Z) by values between 97 and 122 (ASCII a--z). + + This function cannot be used for language-specific conversion. The new + string does not necessarily have a reference count of 1 (in cases where + no characters need to be converted), so it must not be modified without + checking the reference count. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param str + a valid string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newToAsciiLowerCase( + rtl_uString ** newStr, rtl_uString * str ) SAL_THROW_EXTERN_C(); + +/** Create a new string by converting all ASCII lowercase letters to uppercase + within another string. + + The new string results from replacing all characters with values between + 97 and 122 (ASCII a--z) by values between 65 and 90 (ASCII A--Z). + + This function cannot be used for language-specific conversion. The new + string does not necessarily have a reference count of 1 (in cases where + no characters need to be converted), so it must not be modified without + checking the reference count. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param str + a valid string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newToAsciiUpperCase( + rtl_uString ** newStr, rtl_uString * str ) SAL_THROW_EXTERN_C(); + +/** Create a new string by removing white space from both ends of another + string. + + The new string results from removing all characters with values less than + or equal to 32 (the space character), and also Unicode General Punctuation + area Space and some Control characters, form both ends of str (see + rtl_ImplIsWhitespace). + + This function cannot be used for language-specific conversion. The new + string does not necessarily have a reference count of 1 (in cases where + no characters need to be removed), so it must not be modified without + checking the reference count. This function does not handle out-of-memory + conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param str + a valid string. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_newTrim( + rtl_uString ** newStr, rtl_uString * str ) SAL_THROW_EXTERN_C(); + +/** Create a new string by extracting a single token from another string. + + Starting at index, the token's next token is searched for. If there is no + such token, the result is an empty string. Otherwise, all characters from + the start of that token and up to, but not including the next occurrence + of cTok make up the resulting token. The return value is the position of + the next token, or -1 if no more tokens follow. + + Example code could look like + rtl_uString * pToken = NULL; + sal_Int32 nIndex = 0; + do + { + ... + nIndex = rtl_uString_getToken(&pToken, pStr, 0, ';', nIndex); + ... + } + while (nIndex >= 0); + + The new string does not necessarily have a reference count of 1, so it + must not be modified without checking the reference count. This function + does not handle out-of-memory conditions. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. If either token or index is negative, an empty token is stored in + newStr (and -1 is returned). + + @param str + a valid string. + + @param token + the number of the token to return, starting at index. + + @param cTok + the character that separates the tokens. + + @param idx + the position at which searching for the token starts. Must not be greater + than the length of str. + + @return + the index of the next token, or -1 if no more tokens follow. + */ +SAL_DLLPUBLIC sal_Int32 SAL_CALL rtl_uString_getToken( + rtl_uString ** newStr , rtl_uString * str, sal_Int32 token, sal_Unicode cTok, sal_Int32 idx ) SAL_THROW_EXTERN_C(); + +/* ======================================================================= */ + +/** Supply an ASCII string literal together with its length and text encoding. + + This macro can be used to compute (some of) the arguments in function calls + like rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("foo")). + + @param constAsciiStr + must be an expression of type "(possibly cv-qualified reference to) array of + (possibly cv-qualified) char." Each element of the referenced array must + represent an ASCII value in the range 0x00--0x7F. The last element of the + referenced array is not considered part of the represented ASCII string, and + its value should be 0x00. Depending on where this macro is used, the nature + of the supplied expression might be further restricted. +*/ +// The &foo[0] trick is intentional, it makes sure the type is char* or const char* +// (plain cast to const char* would not work with non-const char foo[]="a", which seems to be allowed). +// This is to avoid mistaken use with functions that accept string literals +// (i.e. const char (&)[N]) where usage of this macro otherwise could match +// the argument and a following int argument with a default value (e.g. OUString::match()). +#define RTL_CONSTASCII_USTRINGPARAM( constAsciiStr ) (&(constAsciiStr)[0]), \ + ((sal_Int32)(SAL_N_ELEMENTS(constAsciiStr)-1)), RTL_TEXTENCODING_ASCII_US + +/* ======================================================================= */ + +/* predefined constants for String-Conversion */ +#define OSTRING_TO_OUSTRING_CVTFLAGS (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE |\ + RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT |\ + RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT) + +/* ----------------------------------------------------------------------- */ + +/** Create a new Unicode string by converting a byte string, using a specific + text encoding. + + The lengths of the byte string and the Unicode string may differ (e.g., + for double-byte encodings, UTF-7, UTF-8). + + If the length of the byte string is greater than zero, the reference count + of the new string will be 1. + + If an out-of-memory condition occurs, newStr will point to a null pointer + upon return. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + @param str + a byte character array. Need not be null-terminated, but must be at + least as long as the specified len. + + @param len + the length of the byte character array. + + @param encoding + the text encoding to use for conversion. + + @param convertFlags + flags which control the conversion. Either use + OSTRING_TO_OUSTRING_CVTFLAGS, or see + <http://udk.openoffice.org/cpp/man/spec/textconversion.html> for more + details. + */ +SAL_DLLPUBLIC void SAL_CALL rtl_string2UString( + rtl_uString ** newStr, const sal_Char * str, sal_Int32 len, rtl_TextEncoding encoding, sal_uInt32 convertFlags ) SAL_THROW_EXTERN_C(); + +/* ======================================================================= */ +/* Interning methods */ + +/** Return a canonical representation for a string. + + A pool of strings, initially empty is maintained privately + by the string class. On invocation, if present in the pool + the original string will be returned. Otherwise this string, + or a copy thereof will be added to the pool and returned. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + If an out-of-memory condition occurs, newStr will point to a null pointer + upon return. + + @param str + pointer to the string to be interned. + + @since UDK 3.2.7 + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_intern( + rtl_uString ** newStr, rtl_uString * str) SAL_THROW_EXTERN_C(); + +/** Return a canonical representation for a string. + + A pool of strings, initially empty is maintained privately + by the string class. On invocation, if present in the pool + the original string will be returned. Otherwise this string, + or a copy thereof will be added to the pool and returned. + + @param newStr + pointer to the new string. The pointed-to data must be null or a valid + string. + + If an out-of-memory condition occurs, newStr will point to a null pointer + upon return. + + @param str + a byte character array. Need not be null-terminated, but must be at + least as long as the specified len. + + @param len + the length of the byte character array. + + @param encoding + the text encoding to use for conversion. + + @param convertFlags + flags which control the conversion. Either use + OSTRING_TO_OUSTRING_CVTFLAGS, or see + <http://udk.openoffice.org/cpp/man/spec/textconversion.html> for more + details. + + @param pInfo + pointer to return conversion status in, or NULL. + + @since UDK 3.2.7 + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_internConvert( + rtl_uString ** newStr, + const sal_Char * str, + sal_Int32 len, + rtl_TextEncoding encoding, + sal_uInt32 convertFlags, + sal_uInt32 *pInfo) SAL_THROW_EXTERN_C(); + +/** Iterate through a string based on code points instead of UTF-16 code units. + + See Chapter 3 of The Unicode Standard 5.0 (Addison--Wesley, 2006) for + definitions of the various terms used in this description. + + The given string is interpreted as a sequence of zero or more UTF-16 code + units. For each index into this sequence (from zero to one less than the + length of the sequence, inclusive), a code point represented starting at the + given index is computed as follows: + + - If the UTF-16 code unit addressed by the index constitutes a well-formed + UTF-16 code unit sequence, the computed code point is the scalar value + encoded by that UTF-16 code unit sequence. + + - Otherwise, if the index is at least two UTF-16 code units away from the + end of the sequence, and the sequence of two UTF-16 code units addressed by + the index constitutes a well-formed UTF-16 code unit sequence, the computed + code point is the scalar value encoded by that UTF-16 code unit sequence. + + - Otherwise, the computed code point is the UTF-16 code unit addressed by + the index. (This last case catches unmatched surrogates as well as indices + pointing into the middle of surrogate pairs.) + + @param string + pointer to a valid string; must not be null. + + @param indexUtf16 + pointer to a UTF-16 based index into the given string; must not be null. On + entry, the index must be in the range from zero to the length of the string + (in UTF-16 code units), inclusive. Upon successful return, the index will + be updated to address the UTF-16 code unit that is the given + incrementCodePoints away from the initial index. + + @param incrementCodePoints + the number of code points to move the given *indexUtf16. If non-negative, + moving is done after determining the code point at the index. If negative, + moving is done before determining the code point at the (then updated) + index. The value must be such that the resulting UTF-16 based index is in + the range from zero to the length of the string (in UTF-16 code units), + inclusive. + + @return + the code point (an integer in the range from 0 to 0x10FFFF, inclusive) that + is represented within the string starting at the index computed as follows: + If incrementCodePoints is non-negative, the index is the initial value of + *indexUtf16; if incrementCodePoints is negative, the index is the updated + value of *indexUtf16. In either case, the computed index must be in the + range from zero to one less than the length of the string (in UTF-16 code + units), inclusive. + + @since UDK 3.2.7 +*/ +SAL_DLLPUBLIC sal_uInt32 SAL_CALL rtl_uString_iterateCodePoints( + rtl_uString const * string, sal_Int32 * indexUtf16, + sal_Int32 incrementCodePoints); + +/** Converts a byte string to a Unicode string, signalling failure. + + @param target + An out parameter receiving the converted string. Must not be null itself, + and must contain either null or a pointer to a valid rtl_uString; the + contents are unspecified if conversion fails (rtl_convertStringToUString + returns false). + + @param source + The byte string. May only be null if length is zero. + + @param length + The length of the byte string. Must be non-negative. + + @param encoding + The text encoding to convert from. Must be an octet encoding (i.e., + rtl_isOctetTextEncoding(encoding) must return true). + + @param flags + A combination of RTL_TEXTTOUNICODE_FLAGS that detail how to do the + conversion (see rtl_convertTextToUnicode). RTL_TEXTTOUNICODE_FLAGS_FLUSH + need not be included, it is implicitly assumed. Typical uses are either + RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR | + RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR | + RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR (fail if a byte or multi-byte sequence + cannot be converted from the source encoding) or + OSTRING_TO_OUSTRING_CVTFLAGS (make a best efforts conversion). + + @return + True if the conversion succeeded, false otherwise. + + @since UDK 3.2.9 +*/ +SAL_DLLPUBLIC sal_Bool SAL_CALL rtl_convertStringToUString( + rtl_uString ** target, char const * source, sal_Int32 length, + rtl_TextEncoding encoding, sal_uInt32 flags) SAL_THROW_EXTERN_C(); + +/** Ensure a string has enough space for a given number of characters. + + If the given string is large enough and has refcount of 1, it is not altered in any way. + Otherwise it is replaced by a copy that has enough space for the given number of characters, + data from the source string is copied to the beginning of it, the content of the remaining + capacity undefined, the string has refcount of 1, and refcount of the original string is decreased. + + @param str + pointer to the string. The pointed-to data must be a valid string. + + @param size + the number of characters + + @since LibreOffice 4.1 + @internal + */ +SAL_DLLPUBLIC void SAL_CALL rtl_uString_ensureCapacity( rtl_uString ** str, sal_Int32 size ) SAL_THROW_EXTERN_C(); + +#ifdef __cplusplus +} +#endif + +#endif // INCLUDED_RTL_USTRING_H + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |