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|
/*************************************************************************
*
* $RCSfile: ustring.h,v $
*
* $Revision: 1.5 $
*
* last change: $Author: th $ $Date: 2001-07-27 13:21:46 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _RTL_USTRING_H_
#define _RTL_USTRING_H_
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifndef _RTL_STRING_H_
#include <rtl/string.h>
#endif
#ifndef _RTL_TEXTENC_H
#include <rtl/textenc.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* ======================================================================= */
/**
Returns the length of a string.
The length is equal to the number of 16-bit Unicode characters in the
string without the terminating NULL-character.
@param str must be a NULL-terminated string.
@return the length of the sequence of characters represented by this
string, excluding the terminating NULL-character.
*/
sal_Int32 SAL_CALL rtl_ustr_getLength( const sal_Unicode * str ) SAL_THROW_EXTERN_C();
/**
Compares two strings.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't 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 param.
@return <code>0</code> - if both strings are equal
<code>< 0</code> - if the first string is less than the second string
<code>> 0</code> - if the first string is greater than the second string
*/
sal_Int32 SAL_CALL rtl_ustr_compare( const sal_Unicode * first, const sal_Unicode * second ) SAL_THROW_EXTERN_C();
/**
Compares two strings with a maximum count of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
Both string lengths must be equal or greater as there given length.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second string which is compared with the first
param.
@param secondLen the length of the second string or the number of
characters to compared. The second string length
must be greater or equal than this value.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
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();
/**
Compares two strings with a maximum count of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
Both string lengths must be equal or greater as there given length.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second string which is compared with the first
param.
@param secondLen the length of the second string or the number of
characters to compared. The second string length
must be greater or equal than this value.
@param shortenedLen the number of characters which should be compared.
This length can be longer, shorter or equal than
the both other strings.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
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();
/**
Compares two strings in reverse order.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
The string length must be equal or greater as there given length.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second string which is compared with
the first param.
@param secondLen the length of the second string or the number of
characters to compared. The second string length
must be greater or equal than this value.
@return <code>0</code> - if both strings are equal
<code>< 0</code> - if the first string is less than the second string
<code>> 0</code> - if the first string is greater than the second string
*/
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();
/**
Perform a ASCII lowercase comparison of two strings.
The comparison is based on the numeric value of each character in
the strings and return 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 can't 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 param.
@return <code>0</code> - if both strings are equal
<code>< 0</code> - if the first string is less than the second string
<code>> 0</code> - if the first string is greater than the second string
*/
sal_Int32 SAL_CALL rtl_ustr_compareIgnoreAsciiCase( const sal_Unicode * first, const sal_Unicode * second ) SAL_THROW_EXTERN_C();
/**
Perform a ASCII lowercase comparison of two strings with a maximum count
of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return 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 can't be used for language specific sorting.
Both string lengths must be equal or greater as there given length.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second string which is compared with the
first param.
@param secondLen the length of the second string or the number of
characters to compared. The second string length
must be greater or equal than this value.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
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();
/**
Perform a ASCII lowercase comparison of two strings with a maximum count
of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return 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 can't be used for language specific sorting.
Both string lengths must be equal or greater as there given length.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second string which is compared with the first
param.
@param secondLen the length of the second string or the number of
characters to compared. The second string length
must be greater or equal than this value.
@param shortenedLen the number of characters which should be compared.
This length can be longer, shorter or equal than
the both other strings.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
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();
/**
Compares two strings.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
Both strings must be NULL-terminated.
Since this method 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 between 0 and
127.
@param first the first NULL-terminated string to be compared.
@param second the second NULL-terminated ASCII string which
is compared with the first param.
@return <code>0</code> - if both strings are equal
<code>< 0</code> - if the first string is less than the second string
<code>> 0</code> - if the first string is greater than the second string
*/
sal_Int32 SAL_CALL rtl_ustr_ascii_compare( const sal_Unicode * first, const sal_Char * second ) SAL_THROW_EXTERN_C();
/**
Compares two strings with a maximum count of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
The string length must be equal or greater as there given length.
Since this method 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 between 0 and
127.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second ASCII string which is compared with
the first param.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
sal_Int32 SAL_CALL rtl_ustr_ascii_compare_WithLength( const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second ) SAL_THROW_EXTERN_C();
/**
Compares two strings with a maximum count of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
Both string lengths must be equal or greater as there given length.
Since this method 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 between 0 and
127.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second ASCII string which is compared with
the first param.
@param shortenedLen the number of characters which should be compared.
This length can be longer, shorter or equal than
the both other strings.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
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();
/**
Compares two strings in reverse order.
The comparison is based on the numeric value of each character in
the strings and return a value indicating their relationship.
This function can't be used for language specific sorting.
The string length must be equal or greater as there given length.
Since this method 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 between 0 and
127.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second ASCII string which is compared with
the first param.
@param secondLen the length of the second string or the number of
characters to compared. The second string length
must be greater or equal than this value.
@return <code>0</code> - if both strings are equal
<code>< 0</code> - if the first string is less than the second string
<code>> 0</code> - if the first string is greater than the second string
*/
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();
/**
Perform a ASCII lowercase comparison of two strings.
The comparison is based on the numeric value of each character in
the strings and return 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 can't be used for language specific sorting.
Both strings must be NULL-terminated.
Since this method 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 between 0 and
127.
@param first the first NULL-terminated string to be compared.
@param second the second NULL-terminated ASCII string which
is compared with the first param.
@return <code>0</code> - if both strings are equal
<code>< 0</code> - if the first string is less than the second string
<code>> 0</code> - if the first string is greater than the second string
*/
sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase( const sal_Unicode * first, const sal_Char * second ) SAL_THROW_EXTERN_C();
/**
Perform a ASCII lowercase comparison of two strings.
The comparison is based on the numeric value of each character in
the strings and return 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 can't be used for language specific sorting.
The string length must be equal or greater as there given length.
Since this method 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 between 0 and
127.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second ASCII string which is compared with
the first param.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase_WithLength( const sal_Unicode * first, sal_Int32 firstLen, const sal_Char * second ) SAL_THROW_EXTERN_C();
/**
Perform a ASCII lowercase comparison of two strings with a maximum count
of characters for each string.
The comparison is based on the numeric value of each character in
the strings and return 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 can't be used for language specific sorting.
Both string lengths must be equal or greater as there given length.
Since this method 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 between 0 and
127.
@param first the first string to be compared.
@param firstLen the length of the first string or the number of
characters to compared. The first string length
must be greater or equal than this value.
@param second the second ASCII string which is compared with
the first param.
@param shortenedLen the number of characters which should be compared.
This length can be longer, shorter or equal than
the both other strings.
@return <code>0</code> - if both substrings are equal
<code>< 0</code> - if the first substring is less than the second substring
<code>> 0</code> - if the first substring is greater than the second substring
*/
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();
/**
Returns a hashcode for a string.
It is not allowed to store the hash code, because newer versions
could return other hashcodes.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@return a hash code value for str.
*/
sal_Int32 SAL_CALL rtl_ustr_hashCode( const sal_Unicode * str ) SAL_THROW_EXTERN_C();
/**
Returns a hashcode for a substring.
It is not allowed to store the hash code, because newer versions
could return other hashcodes.
@param str a string.
@param len the maximum number of characters for creating the
hashcode. The string length must be greater or equal
than this value.
@return a hash code value for str.
*/
sal_Int32 SAL_CALL rtl_ustr_hashCode_WithLength( const sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C();
/**
Returns the index within the string of the first occurrence of the
specified character.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@param ch character to be located.
@return the index of the first occurrence of the character in the
character sequence represented by the string, or
<code>-1</code> if the character does not occur.
*/
sal_Int32 SAL_CALL rtl_ustr_indexOfChar( const sal_Unicode * str, sal_Unicode ch ) SAL_THROW_EXTERN_C();
/**
Returns the index within the substring of the first occurrence of the
specified character.
The string length must be greater or equal as the given len.
@param str a substring.
@param len the maximum number of characters. The string length
must be greater or equal than this value.
@param ch character to be located.
@return the index of the first occurrence of the character in the
character sequence represented by the string, or
<code>-1</code> if the character does not occur.
*/
sal_Int32 SAL_CALL rtl_ustr_indexOfChar_WithLength( const sal_Unicode * str, sal_Int32 len, sal_Unicode ch ) SAL_THROW_EXTERN_C();
/**
Returns the index within the string of the last occurrence of the
specified character, searching backward starting at the end.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@param ch character to be located.
@return the index of the last occurrence of the character in the
character sequence represented by the string, or
<code>-1</code> if the character does not occur.
The return value is always lower as the string len.
*/
sal_Int32 SAL_CALL rtl_ustr_lastIndexOfChar( const sal_Unicode * str, sal_Unicode ch ) SAL_THROW_EXTERN_C();
/**
Returns the index within the string of the last occurrence of the
specified character, searching backward starting at the specified
index (excluding the character at the specified index).
@param str a substring.
@param len the starting index. The string length
must be greater or equal than this value.
@param ch character to be located.
@return the index of the last occurrence of the character in the
character sequence represented by the string, or
<code>-1</code> if the character does not occur.
The return value is always lower as the len param.
*/
sal_Int32 SAL_CALL rtl_ustr_lastIndexOfChar_WithLength( const sal_Unicode * str, sal_Int32 len, sal_Unicode ch ) SAL_THROW_EXTERN_C();
/**
Returns the index within the string of the first occurrence of the
specified substring.
If subStr doesn't include any character, always <code>-1</code> is
returned. This is also the case, if both strings are empty.
Both strings must be NULL-terminated.
@param str a NULL-terminated string.
@param subStr a NULL-terminated substring to be searched for.
@return if the string argument occurs as a substring within the
string, then the index of the first character of the first
such substring is returned; if it does not occur as a
substring, <code>-1</code> is returned.
*/
sal_Int32 SAL_CALL rtl_ustr_indexOfStr( const sal_Unicode * str, const sal_Unicode * subStr ) SAL_THROW_EXTERN_C();
/**
Returns the index within the string of the first occurrence of the
specified substring.
If subLen is zero, always <code>-1</code> is returned. This is also
the case, if str is also zero.
Both string lengths must be equal or greater as there given length.
@param str a string.
@param len the length of the string or the number of
characters to compared. The string length
must be greater or equal than this value.
@param subStr a substring to be searched for.
@param subLen the length of the substring or the number of
characters to compared. The substring length
must be greater or equal than this value.
@return if the string argument occurs as a substring within the
string, then the index of the first character of the first
such substring is returned; if it does not occur as a
substring, <code>-1</code> is returned.
*/
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();
/**
Returns the index within the string of the last occurrence of
the specified substring, searching backward.
The returned index indicates the starting index of the substring.
If subStr doesn't include any character, always <code>-1</code> is
returned. This is also the case, if both strings are empty.
Both strings must be NULL-terminated.
@param str a NULL-terminated string.
@param subStr a NULL-terminated substring to be searched for.
@return if the string argument occurs as a substring within the
string, then the index of the first character of the last
such substring is returned; if it does not occur as a
substring, <code>-1</code> is returned. The return value is
always lower as the string len.
*/
sal_Int32 SAL_CALL rtl_ustr_lastIndexOfStr( const sal_Unicode * str, const sal_Unicode * subStr ) SAL_THROW_EXTERN_C();
/**
Returns the index within the string of the last occurrence of
the specified substring, searching backward starting at the specified
index (excluding the character at the specified index).
The returned index indicates the starting index of the substring.
If subLen is zero, always <code>-1</code> is returned. This is also
the case, if str is also zero.
Both string lengths must be equal or greater as there given length.
@param str a string.
@param len the length of the string or the number of
characters to compared. The string length
must be greater or equal than this value.
@param subStr a substring to be searched for.
@param subLen the length of the substring or the number of
characters to compared. The substring length
must be greater or equal than this value.
@return If the string argument occurs one or more times as a substring
within the string, then the index of the first character of
the last such substring is returned. If it does not occur as a
substring <code>-1</code> is returned. The return value is
always lower as the len param.
*/
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();
/**
Replaces all occurrences of oldChar in the string with newChar.
If the character oldChar does not occur in the character sequence
represented by the string, 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.
*/
void SAL_CALL rtl_ustr_replaceChar( sal_Unicode * str, sal_Unicode oldChar, sal_Unicode newChar ) SAL_THROW_EXTERN_C();
/**
Replaces all occurrences of oldChar in the string with newChar.
If the character oldChar does not occur in the character sequence
represented by the string, then the string is not modified.
The string length must be greater or equal as the given len.
@param str a string.
@param len the length of the string or the number of
characters to replaced. The string length
must be greater or equal than this value.
@param oldChar the old character.
@param newChar the new character.
*/
void SAL_CALL rtl_ustr_replaceChar_WithLength( sal_Unicode * str, sal_Int32 len, sal_Unicode oldChar, sal_Unicode newChar ) SAL_THROW_EXTERN_C();
/**
Converts all ASCII uppercase characters (65-90) in the string to
ASCII lowercase characters (97-122).
This function can't be used for language specific conversion.
The string length must be greater or equal as the given len.
@param str a string.
@param len the length of the string or the number of
characters to converted. The string length
must be greater or equal than this value.
*/
void SAL_CALL rtl_ustr_toAsciiLowerCase_WithLength( sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C();
/**
Converts all ASCII lowercase characters (97-122) in the string to
ASCII uppercase characters (65-90).
This function can't be used for language specific conversion.
The string must be NULL-terminated.
@param str a NULL-terminated string.
*/
void SAL_CALL rtl_ustr_toAsciiUpperCase( sal_Unicode * str ) SAL_THROW_EXTERN_C();
/**
Converts all ASCII lowercase characters (97-122) in the string to
ASCII uppercase characters (65-90).
This function can't be used for language specific conversion.
The string length must be greater or equal as the given len.
@param str a string.
@param len the length of the string or the number of
characters to converted. The string length
must be greater or equal than this value.
*/
void SAL_CALL rtl_ustr_toAsciiUpperCase_WithLength( sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C();
/**
Removes white space from both ends of the string.
All characters that have codes less than or equal to
32 (the space character) are considered to be white space.
Also the Unicode space characters between 0x2000 and 0x200B,
0x2028 (LINE SEPARATOR) and 0x2029 (PARAGRAPH SEPARATOR) are
considered to be white space.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@return new length of the string.
*/
sal_Int32 SAL_CALL rtl_ustr_trim( sal_Unicode * str ) SAL_THROW_EXTERN_C();
/**
Removes white space from both ends of the string.
All characters that have codes less than or equal to
32 (the space character) are considered to be white space.
Also the Unicode space characters between 0x2000 and 0x200B,
0x2028 (LINE SEPARATOR) and 0x2029 (PARAGRAPH SEPARATOR) are
considered to be white space.
The string length must be greater or equal as the given len.
@param str a string.
@param len the length of the string or the number of
characters to converted. The string length
must be greater or equal than this value.
@return new length of the string.
*/
sal_Int32 SAL_CALL rtl_ustr_trim_WithLength( sal_Unicode * str, sal_Int32 len ) SAL_THROW_EXTERN_C();
/**
Returns the string representation of the sal_Bool argument.
If the sal_Bool is true, the buffer is filled with the
string "true" and 5 is returned.
If the sal_Bool is false, the buffer is filled with the
string "false" and 6 is returned.
This function can't be used for language specific conversion.
@param str a buffer, which is big enough to hold the result
and the terminating NULL-character.
You should use the RTL_USTR_MAX_VALUEOFBOOLEAN
define to create a buffer, which is big enough.
It defines the maximum number of characters
with the terminating NULL-character.
@param b a sal_Bool.
@return the length of the string.
*/
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
/**
Returns the string representation of the char argument.
This function can't be used for language specific conversion.
@param str a buffer, which is big enough to hold the result
and the terminating NULL-character.
You should use the RTL_USTR_MAX_VALUEOFCHAR
define to create a buffer, which is big enough.
It defines the maximum number of characters
with the terminating NULL-character.
@param ch a char.
@return the length of the string.
*/
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
/**
Returns the string representation of the int argument.
This function can't be used for language specific conversion.
@param str a buffer, which is big enough to hold the result
and the terminating NULL-character.
You should use the RTL_USTR_MAX_VALUEOFINT32
define to create a buffer, which is big enough.
It defines the maximum number of characters
with the terminating NULL-character.
@param i a int32.
@param radix the radix (between 2 and 36)
@return the length of the string.
*/
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
/**
Returns the string representation of the long argument.
This function can't be used for language specific conversion.
@param str a buffer, which is big enough to hold the result
and the terminating NULL-character.
You should use the RTL_USTR_MAX_VALUEOFINT64
define to create a buffer, which is big enough.
It defines the maximum number of characters
with the terminating NULL-character.
@param l a int64.
@param radix the radix (between 2 and 36)
@return the length of the string.
*/
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
/**
Returns the string representation of the float argument.
This function can't be used for language specific conversion.
@param str a buffer, which is big enough to hold the result
and the terminating NULL-character.
You should use the RTL_USTR_MAX_VALUEOFFLOAT
define to create a buffer, which is big enough.
It defines the maximum number of characters
with the terminating NULL-character.
@param f a float.
@return the length of the string.
*/
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
/**
Returns the string representation of the double argument.
This function can't be used for language specific conversion.
@param str a buffer, which is big enough to hold the result
and the terminating NULL-character.
You should use the RTL_USTR_MAX_VALUEOFDOUBLE
define to create a buffer, which is big enough.
It defines the maximum number of characters
with the terminating NULL-character.
@param d a double.
@return the length of the string.
*/
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
/**
Returns the Boolean value from the given string.
This function can't be used for language specific conversion.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@return sal_True, if the string is 1 or "True" in any ASCII case.
sal_False in any other case.
*/
sal_Bool SAL_CALL rtl_ustr_toBoolean( const sal_Unicode * str ) SAL_THROW_EXTERN_C();
/**
Returns the int32 value from the given string.
This function can't be used for language specific conversion.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@param radix the radix (between 2 and 36)
@return the int32 represented by the string.
0 if the string represents no number.
*/
sal_Int32 SAL_CALL rtl_ustr_toInt32( const sal_Unicode * str, sal_Int16 radix ) SAL_THROW_EXTERN_C();
/**
Returns the int64 value from the given string.
This function can't be used for language specific conversion.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@param radix the radix (between 2 and 36)
@return the int64 represented by the string.
0 if the string represents no number.
*/
sal_Int64 SAL_CALL rtl_ustr_toInt64( const sal_Unicode * str, sal_Int16 radix ) SAL_THROW_EXTERN_C();
/**
Returns the float value from the given string.
This function can't be used for language specific conversion.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@return the float represented by the string.
0.0 if the string represents no number.
*/
float SAL_CALL rtl_ustr_toFloat( const sal_Unicode * str ) SAL_THROW_EXTERN_C();
/**
Returns the double value from the given string.
This function can't be used for language specific conversion.
The string must be NULL-terminated.
@param str a NULL-terminated string.
@return the double represented by the string.
0.0 if the string represents no number.
*/
double SAL_CALL rtl_ustr_toDouble( const sal_Unicode * str ) SAL_THROW_EXTERN_C();
/* ======================================================================= */
#ifdef SAL_W32
#pragma pack(push, 4)
#elif defined(SAL_OS2)
#pragma pack(1)
#endif
/**
The implementation structure of a unicode string.
*/
typedef struct _rtl_uString
{
sal_Int32 refCount;
sal_Int32 length;
sal_Unicode buffer[1];
} rtl_uString;
#ifdef SAL_W32
#pragma pack(pop)
#elif defined(SAL_OS2)
#pragma pack()
#endif
/* ----------------------------------------------------------------------- */
/**
Increment the reference count of the string.
@param str the string.
*/
void SAL_CALL rtl_uString_acquire( rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Decrement the reference count of the string. If the count goes
to zero than the string data is deleted.
@param str the string.
*/
void SAL_CALL rtl_uString_release( rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Allocates a new string containing no characters.
@param newStr pointer to the new string. The data must be 0 or
a valid string.
*/
void SAL_CALL rtl_uString_new( rtl_uString ** newStr ) SAL_THROW_EXTERN_C();
/**
Allocates a new string containing space for the given
numbers of characters.
The reference count of the new string is 1 or an empty string.
The values of all characters are set to 0 and the length of the
string is 0, only data is allocated for holding characters.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param len number of characters.
*/
void SAL_CALL rtl_uString_new_WithLength( rtl_uString ** newStr, sal_Int32 nLen ) SAL_THROW_EXTERN_C();
/**
Allocates a new string that contains the same sequence of
characters as the string argument.
The reference count of the new string is 1 or an empty string.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param value a valid string.
*/
void SAL_CALL rtl_uString_newFromString( rtl_uString ** newStr, const rtl_uString * value ) SAL_THROW_EXTERN_C();
/**
Allocates a new string that contains the same sequence of
characters contained in the character array argument.
The reference count of the new string is 1 or an empty string.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param value a NULL-terminated character array.
*/
void SAL_CALL rtl_uString_newFromStr( rtl_uString ** newStr, const sal_Unicode * value ) SAL_THROW_EXTERN_C();
/**
Allocates a new string that contains characters from
the character array argument.
The reference count of the new string is 1 or an empty string.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param value a character array.
@param len the number of character which should be copied.
The character array length must be greater or
equal than this value.
*/
void SAL_CALL rtl_uString_newFromStr_WithLength( rtl_uString ** newStr, const sal_Unicode * value, sal_Int32 len ) SAL_THROW_EXTERN_C();
/**
Allocates a new string that contains the same sequence of
characters contained in the character array argument without
conversion.
The reference count of the new string is 1 or an empty string.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param value a NULL-terminated ASCII character array.
*/
void SAL_CALL rtl_uString_newFromAscii( rtl_uString ** newStr, const sal_Char * value ) SAL_THROW_EXTERN_C();
/**
Assign rightValue to *str. Release *str and aquire rightValue!
@param str pointer to the string. The data must be 0 or
a valid string.
@param rightValue a valid string.
*/
void SAL_CALL rtl_uString_assign( rtl_uString ** str, rtl_uString * rightValue ) SAL_THROW_EXTERN_C();
/**
Returns the length of this string.
The length is equal to the number of characters in the string.
@param str a valid string.
@return the length of the sequence of characters represented by the
string.
*/
sal_Int32 SAL_CALL rtl_uString_getLength( const rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Returns the pointer to the character array of the string.
@param str pointer to the string. The data must be
a valid string.
@return a null terminated character array.
*/
sal_Unicode * SAL_CALL rtl_uString_getStr( rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Concatenates the right string to the end of the left string and
returns the result in a new instance.
The new instance isn't in every case a new instance (for example,
if one or both strings are empty). The new string object could
be a shared instance and can't be modified without checking the
refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param left a valid string.
@param right a valid string.
*/
void SAL_CALL rtl_uString_newConcat( rtl_uString ** newStr, rtl_uString * left, rtl_uString * right ) SAL_THROW_EXTERN_C();
/**
Returns a new string resulting from replacing a number of characters (count)
from the specified position (index) in the string (str) and inserting
the string (subStr) at the specified position (index).
If subStr is 0, than only a number of characters (count) are deleted
at the specified position (index).
The new instance isn't in every case a new instance. The new string
object could be a shared instance and can't be modified without
checking the refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a valid string.
@param index the replacing index in str.
The index must be greater or equal as 0 and
less or equal as the length of the string.
@param count the count of charcters that will replaced
The count must be greater or equal as 0 and
less or equal as the length of the string minus index.
@param subStr 0 or a valid string, which is inserted at nIndex.
If subStr is 0, only a number of characters (count)
are deleted at the specified position (index).
*/
void SAL_CALL rtl_uString_newReplaceStrAt( rtl_uString ** newStr, rtl_uString * str, sal_Int32 index, sal_Int32 count, rtl_uString * subStr ) SAL_THROW_EXTERN_C();
/**
Returns a new string resulting from replacing all occurrences of
oldChar in this string with newChar.
If the character oldChar does not occur in the character sequence
represented by this object, then the string is assigned with
str. The new instance isn't in every case a new instance. The new
string object could be a shared instance and can't be modified without
checking the refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a valid string.
@param oldChar the old character.
@param newChar the new character.
*/
void SAL_CALL rtl_uString_newReplace( rtl_uString ** newStr, rtl_uString * str, sal_Unicode oldChar, sal_Unicode newChar ) SAL_THROW_EXTERN_C();
/**
Returns a new string resulting from converting all
ASCII uppercase characters (65-90) in the string to
ASCII lowercase characters (97-122).
This function can't be used for language specific conversion.
If the string doesn't contain characters which must be converted,
then the new string is assigned with str. The new instance isn't
in every case a new instance. The new string object could be a shared
instance and can't be modified without checking the refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a valid string.
*/
void SAL_CALL rtl_uString_newToAsciiLowerCase( rtl_uString ** newStr, rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Returns a new string resulting from converting all
ASCII lowercase characters (97-122) in the string to
ASCII uppercase characters (65-90).
This function can't be used for language specific conversion.
If the string doesn't contain characters which must be converted,
then the new string is assigned with str. The new instance isn't
in every case a new instance. The new string object could be a shared
instance and can't be modified without checking the refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a valid string.
*/
void SAL_CALL rtl_uString_newToAsciiUpperCase( rtl_uString ** newStr, rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Returns a new string resulting from removing white space from both ends
of the string.
All characters that have codes less than or equal to
32 (the space character) are considered to be white space.
Also the Unicode space characters between 0x2000 and 0x200B,
0x2028 (LINE SEPARATOR) and 0x2029 (PARAGRAPH SEPARATOR) are
considered to be white space.
If the string doesn't contain white spaces at both ends,
then the new string is assigned with str. The new instance isn't
in every case a new instance. The new string object could be a shared
instance and can't be modified without checking the refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a valid string.
*/
void SAL_CALL rtl_uString_newTrim( rtl_uString ** newStr, rtl_uString * str ) SAL_THROW_EXTERN_C();
/**
Returns a new string for the token specified by nToken. If nToken is
greater than the last possible Token then the result is an empty string.
The return value is the position of the next token or -1, if the queried
token is the last one.
Example:
rtl_uString* pToken = 0;
sal_Int32 nIndex = 0;
do
{
...
nIndex = rtl_uString_getToken( &pToken, pStr, 0, ';', nIndex );
...
}
while ( nIndex >= 0 );
The new instance isn't in every case a new instance. The new string
object could be a shared instance and can't be modified without checking
the refercence count.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a valid string.
@param token the number of the token to return. The number
must be greater or equal as 0.
@param cTok the character which seperate the tokens.
@param index the position at which the token is searched in the
string.
The index must be greater or equal as 0 and
less or equal as the length of the string.
@return the index of the next token or -1, if the current token is
the last one
*/
sal_Int32 SAL_CALL rtl_uString_getToken( rtl_uString ** newStr , rtl_uString * str, sal_Int32 token, sal_Unicode cTok, sal_Int32 index ) SAL_THROW_EXTERN_C();
/* ======================================================================= */
/* 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)
/* ----------------------------------------------------------------------- */
/**
Allocates a new Unicode string from a seequence of bytes and convert
the byte sequence to Unicode with the specified text encoding.
The string length could be a different one as the specified length,
because not all text conversions result in the same unicode length
(for example double byte encodings, UTF-7, UTF-8, ...).
The reference count of the new string is 1 or an empty string.
This function doesn't handle "Out of Memory" or other
"bad memory allocations".
@param newStr pointer to the new string. The data must be 0 or
a valid string.
@param str a byte array.
@param len the number of character which should be converted.
The byte array length must be greater or
equal than this value.
@param encoding the text encoding from the byte array.
@param convertFlags flags which controls the conversion.
see RTL_TEXTTOUNICODE_FLAGS_...
*/
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();
/* ======================================================================= */
/* constAsciiStr must be a "..." or char const aFoo[] = "..." */
#define RTL_CONSTASCII_USTRINGPARAM( constAsciiStr ) constAsciiStr, sizeof( constAsciiStr )-1, RTL_TEXTENCODING_ASCII_US
/* ======================================================================= */
#ifdef __cplusplus
}
#endif
#endif /* _RTL_USTRING_H_ */
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