diff options
Diffstat (limited to 'sal/inc/rtl/string.hxx')
| -rw-r--r-- | sal/inc/rtl/string.hxx | 941 |
1 files changed, 941 insertions, 0 deletions
diff --git a/sal/inc/rtl/string.hxx b/sal/inc/rtl/string.hxx new file mode 100644 index 000000000000..c85da92c177b --- /dev/null +++ b/sal/inc/rtl/string.hxx @@ -0,0 +1,941 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _RTL_STRING_HXX_ +#define _RTL_STRING_HXX_ + +#ifdef __cplusplus + +#ifndef _RTL_DIAGNOSE_H_ +#include <osl/diagnose.h> +#endif +#include <rtl/memory.h> +#include <rtl/textenc.h> +#include <rtl/string.h> + +#if !defined EXCEPTIONS_OFF +#include <new> +#endif + +namespace rtl +{ + +/* ======================================================================= */ + +/** + This String class provide base functionality for C++ like 8-Bit + character array handling. The advantage of this class is, that it + handle all the memory managament for you - and it do it + more efficient. If you assign a string to another string, the + data of both strings are shared (without any copy operation or + memory allocation) as long as you do not change the string. This class + stores also the length of the string, so that many operations are + faster as the C-str-functions. + + This class provide only readonly string handling. So you could create + a string and you could only query the content from this string. + It provide also functionality to change the string, but this results + in every case in a new string instance (in the most cases with an + memory allocation). You don't have functionality to change the + content of the string. If you want change the string content, than + you should us the OStringBuffer class, which provide these + functionality and avoid to much memory allocation. + + The design of this class is similar to the string classes in Java + and so more people should have fewer understanding problems when they + use this class. +*/ + +class OString +{ +public: + /** @internal */ + rtl_String * pData; + +private: + /** @internal */ + class DO_NOT_ACQUIRE; + + /** @internal */ + OString( rtl_String * value, DO_NOT_ACQUIRE * ) + { + pData = value; + } + +public: + /** + New string containing no characters. + */ + OString() SAL_THROW(()) + { + pData = 0; + rtl_string_new( &pData ); + } + + /** + New string from OString. + + @param str a OString. + */ + OString( const OString & str ) SAL_THROW(()) + { + pData = str.pData; + rtl_string_acquire( pData ); + } + + /** + New string from OString data. + + @param str a OString data. + */ + OString( rtl_String * str ) SAL_THROW(()) + { + pData = str; + rtl_string_acquire( pData ); + } + + /** + New string from a single character. + + @param value a character. + */ + explicit OString( sal_Char value ) SAL_THROW(()) + : pData (0) + { + rtl_string_newFromStr_WithLength( &pData, &value, 1 ); + } + + /** + New string from a character buffer array. + + @param value a NULL-terminated character array. + */ + OString( const sal_Char * value ) SAL_THROW(()) + { + pData = 0; + rtl_string_newFromStr( &pData, value ); + } + + /** + New string from a character buffer array. + + @param value a character array. + @param length the number of character which should be copied. + The character array length must be greater or + equal than this value. + */ + OString( const sal_Char * value, sal_Int32 length ) SAL_THROW(()) + { + pData = 0; + rtl_string_newFromStr_WithLength( &pData, value, length ); + } + + /** + New string from a Unicode character buffer array. + + @param value a Unicode character array. + @param length the number of character which should be converted. + The Unicode character array length must be + greater or equal than this value. + @param encoding the text encoding in which the Unicode character + sequence should be converted. + @param convertFlags flags which controls the conversion. + see RTL_UNICODETOTEXT_FLAGS_... + + @exception std::bad_alloc is thrown if an out-of-memory condition occurs + */ + OString( const sal_Unicode * value, sal_Int32 length, + rtl_TextEncoding encoding, + sal_uInt32 convertFlags = OUSTRING_TO_OSTRING_CVTFLAGS ) + { + pData = 0; + rtl_uString2String( &pData, value, length, encoding, convertFlags ); +#if defined EXCEPTIONS_OFF + OSL_ASSERT(pData != NULL); +#else + if (pData == 0) { + throw std::bad_alloc(); + } +#endif + } + + /** + Release the string data. + */ + ~OString() SAL_THROW(()) + { + rtl_string_release( pData ); + } + + /** + Assign a new string. + + @param str a OString. + */ + OString & operator=( const OString & str ) SAL_THROW(()) + { + rtl_string_assign( &pData, str.pData ); + return *this; + } + + /** + Append a string to this string. + + @param str a OString. + */ + OString & operator+=( const OString & str ) SAL_THROW(()) + { + rtl_string_newConcat( &pData, pData, str.pData ); + return *this; + } + + /** + Returns the length of this string. + + The length is equal to the number of characters in this string. + + @return the length of the sequence of characters represented by this + object. + */ + sal_Int32 getLength() const SAL_THROW(()) { return pData->length; } + + /** + Returns a pointer to the characters of this string. + + <p>The returned pointer is not guaranteed to point to a null-terminated + byte string. Note that this string object may contain embedded null + characters, which will thus also be embedded in the returned byte + string.</p> + + @return a pointer to a (not necessarily null-terminated) byte string + representing the characters of this string object. + */ + operator const sal_Char *() const SAL_THROW(()) { return pData->buffer; } + + /** + Returns a pointer to the characters of this string. + + <p>The returned pointer is guaranteed to point to a null-terminated byte + string. But note that this string object may contain embedded null + characters, which will thus also be embedded in the returned + null-terminated byte string.</p> + + @return a pointer to a null-terminated byte string representing the + characters of this string object. + */ + const sal_Char * getStr() const SAL_THROW(()) { return pData->buffer; } + + /** + 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. + + @param str the object to be compared. + @return 0 - if both strings are equal + < 0 - if this string is less than the string argument + > 0 - if this string is greater than the string argument + */ + sal_Int32 compareTo( const OString & str ) const SAL_THROW(()) + { + return rtl_str_compare_WithLength( pData->buffer, pData->length, + str.pData->buffer, str.pData->length ); + } + + /** + Compares two strings with an maximum count of characters. + + 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. + + @param str the object to be compared. + @param maxLength the maximum count of characters to be compared. + @return 0 - if both strings are equal + < 0 - if this string is less than the string argument + > 0 - if this string is greater than the string argument + */ + sal_Int32 compareTo( const OString & rObj, sal_Int32 maxLength ) const SAL_THROW(()) + { + return rtl_str_shortenedCompare_WithLength( pData->buffer, pData->length, + rObj.pData->buffer, rObj.pData->length, maxLength ); + } + + /** + 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. + + @param str the object to be compared. + @return 0 - if both strings are equal + < 0 - if this string is less than the string argument + > 0 - if this string is greater than the string argument + */ + sal_Int32 reverseCompareTo( const OString & str ) const SAL_THROW(()) + { + return rtl_str_reverseCompare_WithLength( pData->buffer, pData->length, + str.pData->buffer, str.pData->length ); + } + + /** + Perform a comparison of two strings. + + The result is true if and only if second string + represents the same sequence of characters as the first string. + This function can't be used for language specific comparison. + + @param str the object to be compared. + @return sal_True if the strings are equal; + sal_False, otherwise. + */ + sal_Bool equals( const OString & str ) const SAL_THROW(()) + { + if ( pData->length != str.pData->length ) + return sal_False; + if ( pData == str.pData ) + return sal_True; + return rtl_str_reverseCompare_WithLength( pData->buffer, pData->length, + str.pData->buffer, str.pData->length ) == 0; + } + + /** + Perform a ASCII lowercase comparison of two strings. + + The result is true if and only if second string + represents the same sequence of characters as the first string, + ignoring the case. + 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 comparison. + + @param str the object to be compared. + @return sal_True if the strings are equal; + sal_False, otherwise. + */ + sal_Bool equalsIgnoreAsciiCase( const OString & str ) const SAL_THROW(()) + { + if ( pData->length != str.pData->length ) + return sal_False; + if ( pData == str.pData ) + return sal_True; + return rtl_str_compareIgnoreAsciiCase_WithLength( pData->buffer, pData->length, + str.pData->buffer, str.pData->length ) == 0; + } + + /** + Match against a substring appearing in this string. + + The result is true if and only if the second string appears as a substring + of this string, at the given position. + This function can't be used for language specific comparison. + + @param str the object (substring) to be compared. + @param fromIndex the index to start the comparion from. + The index must be greater or equal than 0 + and less or equal as the string length. + @return sal_True if str match with the characters in the string + at the given position; + sal_False, otherwise. + */ + sal_Bool match( const OString & str, sal_Int32 fromIndex = 0 ) const SAL_THROW(()) + { + return rtl_str_shortenedCompare_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, + str.pData->buffer, str.pData->length, str.pData->length ) == 0; + } + + /** + Match against a substring appearing in this string, ignoring the case of + ASCII letters. + + The result is true if and only if the second string appears as a substring + of this string, at the given position. + 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 comparison. + + @param str the object (substring) to be compared. + @param fromIndex the index to start the comparion from. + The index must be greater or equal than 0 + and less or equal as the string length. + @return sal_True if str match with the characters in the string + at the given position; + sal_False, otherwise. + */ + sal_Bool matchIgnoreAsciiCase( const OString & str, sal_Int32 fromIndex = 0 ) const SAL_THROW(()) + { + return rtl_str_shortenedCompareIgnoreAsciiCase_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, + str.pData->buffer, str.pData->length, + str.pData->length ) == 0; + } + + friend sal_Bool operator == ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return rStr1.getLength() == rStr2.getLength() && rStr1.compareTo( rStr2 ) == 0; } + friend sal_Bool operator == ( const OString& rStr1, const sal_Char * pStr2 ) SAL_THROW(()) + { return rStr1.compareTo( pStr2 ) == 0; } + friend sal_Bool operator == ( const sal_Char * pStr1, const OString& rStr2 ) SAL_THROW(()) + { return OString( pStr1 ).compareTo( rStr2 ) == 0; } + + friend sal_Bool operator != ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return !(operator == ( rStr1, rStr2 )); } + friend sal_Bool operator != ( const OString& rStr1, const sal_Char * pStr2 ) SAL_THROW(()) + { return !(operator == ( rStr1, pStr2 )); } + friend sal_Bool operator != ( const sal_Char * pStr1, const OString& rStr2 ) SAL_THROW(()) + { return !(operator == ( pStr1, rStr2 )); } + + friend sal_Bool operator < ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return rStr1.compareTo( rStr2 ) < 0; } + friend sal_Bool operator > ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return rStr1.compareTo( rStr2 ) > 0; } + friend sal_Bool operator <= ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return rStr1.compareTo( rStr2 ) <= 0; } + friend sal_Bool operator >= ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return rStr1.compareTo( rStr2 ) >= 0; } + + /** + Returns a hashcode for this string. + + @return a hash code value for this object. + + @see rtl::OStringHash for convenient use of STLPort's hash_map + */ + sal_Int32 hashCode() const SAL_THROW(()) + { + return rtl_str_hashCode_WithLength( pData->buffer, pData->length ); + } + + /** + Returns the index within this string of the first occurrence of the + specified character, starting the search at the specified index. + + @param ch character to be located. + @param fromIndex the index to start the search from. + The index must be greater or equal than 0 + and less or equal as the string length. + @return the index of the first occurrence of the character in the + character sequence represented by this string that is + greater than or equal to fromIndex, or + -1 if the character does not occur. + */ + sal_Int32 indexOf( sal_Char ch, sal_Int32 fromIndex = 0 ) const SAL_THROW(()) + { + sal_Int32 ret = rtl_str_indexOfChar_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, ch ); + return (ret < 0 ? ret : ret+fromIndex); + } + + /** + Returns the index within this string of the last occurrence of the + specified character, searching backward starting at the end. + + @param ch character to be located. + @return the index of the last occurrence of the character in the + character sequence represented by this string, or + -1 if the character does not occur. + */ + sal_Int32 lastIndexOf( sal_Char ch ) const SAL_THROW(()) + { + return rtl_str_lastIndexOfChar_WithLength( pData->buffer, pData->length, ch ); + } + + /** + Returns the index within this string of the last occurrence of the + specified character, searching backward starting before the specified + index. + + @param ch character to be located. + @param fromIndex the index before which to start the search. + @return the index of the last occurrence of the character in the + character sequence represented by this string that + is less than fromIndex, or -1 + if the character does not occur before that point. + */ + sal_Int32 lastIndexOf( sal_Char ch, sal_Int32 fromIndex ) const SAL_THROW(()) + { + return rtl_str_lastIndexOfChar_WithLength( pData->buffer, fromIndex, ch ); + } + + /** + Returns the index within this string of the first occurrence of the + specified substring, starting at the specified index. + + If str doesn't include any character, always -1 is + returned. This is also the case, if both strings are empty. + + @param str the substring to search for. + @param fromIndex the index to start the search from. + @return If the string argument occurs one or more times as a substring + within this string at the starting index, then the index + of the first character of the first such substring is + returned. If it does not occur as a substring starting + at fromIndex or beyond, -1 is returned. + */ + sal_Int32 indexOf( const OString & str, sal_Int32 fromIndex = 0 ) const SAL_THROW(()) + { + sal_Int32 ret = rtl_str_indexOfStr_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, + str.pData->buffer, str.pData->length ); + return (ret < 0 ? ret : ret+fromIndex); + } + + /** + Returns the index within this string of the last occurrence of + the specified substring, searching backward starting at the end. + + The returned index indicates the starting index of the substring + in this string. + If str doesn't include any character, always -1 is + returned. This is also the case, if both strings are empty. + + @param str the substring to search for. + @return If the string argument occurs one or more times as a substring + within this string, then the index of the first character of + the last such substring is returned. If it does not occur as + a substring, -1 is returned. + */ + sal_Int32 lastIndexOf( const OString & str ) const SAL_THROW(()) + { + return rtl_str_lastIndexOfStr_WithLength( pData->buffer, pData->length, + str.pData->buffer, str.pData->length ); + } + + /** + Returns the index within this string of the last occurrence of + the specified substring, searching backward starting before the specified + index. + + The returned index indicates the starting index of the substring + in this string. + If str doesn't include any character, always -1 is + returned. This is also the case, if both strings are empty. + + @param str the substring to search for. + @param fromIndex the index before which to start the search. + @return If the string argument occurs one or more times as a substring + within this string before the starting index, then the index + of the first character of the last such substring is + returned. Otherwise, -1 is returned. + */ + sal_Int32 lastIndexOf( const OString & str, sal_Int32 fromIndex ) const SAL_THROW(()) + { + return rtl_str_lastIndexOfStr_WithLength( pData->buffer, fromIndex, + str.pData->buffer, str.pData->length ); + } + + /** + Returns a new string that is a substring of this string. + + The substring begins at the specified beginIndex. It is an error for + beginIndex to be negative or to be greater than the length of this string. + + @param beginIndex the beginning index, inclusive. + @return the specified substring. + */ + OString copy( sal_Int32 beginIndex ) const SAL_THROW(()) + { + OSL_ASSERT(beginIndex >= 0 && beginIndex <= getLength()); + if ( beginIndex == 0 ) + return *this; + else + { + rtl_String* pNew = 0; + rtl_string_newFromStr_WithLength( &pNew, pData->buffer+beginIndex, getLength()-beginIndex ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + } + + /** + Returns a new string that is a substring of this string. + + The substring begins at the specified beginIndex and contains count + characters. It is an error for either beginIndex or count to be negative, + or for beginIndex + count to be greater than the length of this string. + + @param beginIndex the beginning index, inclusive. + @param count the number of characters. + @return the specified substring. + */ + OString copy( sal_Int32 beginIndex, sal_Int32 count ) const SAL_THROW(()) + { + OSL_ASSERT(beginIndex >= 0 && beginIndex <= getLength() + && count >= 0 && count <= getLength() - beginIndex); + if ( (beginIndex == 0) && (count == getLength()) ) + return *this; + else + { + rtl_String* pNew = 0; + rtl_string_newFromStr_WithLength( &pNew, pData->buffer+beginIndex, count ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + } + + /** + Concatenates the specified string to the end of this string. + + @param str the string that is concatenated to the end + of this string. + @return a string that represents the concatenation of this string + followed by the string argument. + */ + OString concat( const OString & str ) const SAL_THROW(()) + { + rtl_String* pNew = 0; + rtl_string_newConcat( &pNew, pData, str.pData ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + + friend OString operator+( const OString & str1, const OString & str2 ) SAL_THROW(()) + { + return str1.concat( str2 ); + } + + /** + Returns a new string resulting from replacing n = count characters + from position index in this string with newStr. + + @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 newStr the new substring. + @return the new string. + */ + OString replaceAt( sal_Int32 index, sal_Int32 count, const OString& newStr ) const SAL_THROW(()) + { + rtl_String* pNew = 0; + rtl_string_newReplaceStrAt( &pNew, pData, index, count, newStr.pData ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + + /** + 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. + + @param oldChar the old character. + @param newChar the new character. + @return a string derived from this string by replacing every + occurrence of oldChar with newChar. + */ + OString replace( sal_Char oldChar, sal_Char newChar ) const SAL_THROW(()) + { + rtl_String* pNew = 0; + rtl_string_newReplace( &pNew, pData, oldChar, newChar ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Converts from this string all ASCII uppercase characters (65-90) + 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. + + @return the string, converted to ASCII lowercase. + */ + OString toAsciiLowerCase() const SAL_THROW(()) + { + rtl_String* pNew = 0; + rtl_string_newToAsciiLowerCase( &pNew, pData ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Converts from this string all ASCII lowercase characters (97-122) + 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. + + @return the string, converted to ASCII uppercase. + */ + OString toAsciiUpperCase() const SAL_THROW(()) + { + rtl_String* pNew = 0; + rtl_string_newToAsciiUpperCase( &pNew, pData ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + + /** + 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. + If the string doesn't contain white spaces at both ends, + then the new string is assigned with str. + + @return the string, with white space removed from the front and end. + */ + OString trim() const SAL_THROW(()) + { + rtl_String* pNew = 0; + rtl_string_newTrim( &pNew, pData ); + return OString( pNew, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Returns a token in the string. + + Example: + sal_Int32 nIndex = 0; + do + { + ... + OString aToken = aStr.getToken( 0, ';', nIndex ); + ... + } + while ( nIndex >= 0 ); + + @param token the number of the token to return. + @param cTok the character which seperate the tokens. + @param index the position at which the token is searched in the + string. + The index must not be greater thanthe length of the + string. + This param is set to the position of the + next token or to -1, if it is the last token. + @return the token; if either token or index is negative, an empty token + is returned (and index is set to -1) + */ + OString getToken( sal_Int32 token, sal_Char cTok, sal_Int32& index ) const SAL_THROW(()) + { + rtl_String * pNew = 0; + index = rtl_string_getToken( &pNew, pData, token, cTok, index ); + return OString( pNew, (DO_NOT_ACQUIRE *)0 ); + } + + /** + Returns the Boolean value from this string. + + This function can't be used for language specific conversion. + + @return sal_True, if the string is 1 or "True" in any ASCII case. + sal_False in any other case. + */ + sal_Bool toBoolean() const SAL_THROW(()) + { + return rtl_str_toBoolean( pData->buffer ); + } + + /** + Returns the first character from this string. + + @return the first character from this string or 0, if this string + is emptry. + */ + sal_Char toChar() const SAL_THROW(()) + { + return pData->buffer[0]; + } + + /** + Returns the int32 value from this string. + + This function can't be used for language specific conversion. + + @param radix the radix (between 2 and 36) + @return the int32 represented from this string. + 0 if this string represents no number. + */ + sal_Int32 toInt32( sal_Int16 radix = 10 ) const SAL_THROW(()) + { + return rtl_str_toInt32( pData->buffer, radix ); + } + + /** + Returns the int64 value from this string. + + This function can't be used for language specific conversion. + + @param radix the radix (between 2 and 36) + @return the int64 represented from this string. + 0 if this string represents no number. + */ + sal_Int64 toInt64( sal_Int16 radix = 10 ) const SAL_THROW(()) + { + return rtl_str_toInt64( pData->buffer, radix ); + } + + /** + Returns the float value from this string. + + This function can't be used for language specific conversion. + + @return the float represented from this string. + 0.0 if this string represents no number. + */ + float toFloat() const SAL_THROW(()) + { + return rtl_str_toFloat( pData->buffer ); + } + + /** + Returns the double value from this string. + + This function can't be used for language specific conversion. + + @return the double represented from this string. + 0.0 if this string represents no number. + */ + double toDouble() const SAL_THROW(()) + { + return rtl_str_toDouble( pData->buffer ); + } + + /** + Returns the string representation of the sal_Bool argument. + + If the sal_Bool is true, the string "true" is returned. + If the sal_Bool is false, the string "false" is returned. + This function can't be used for language specific conversion. + + @param b a sal_Bool. + @return a string with the string representation of the argument. + */ + static OString valueOf( sal_Bool b ) SAL_THROW(()) + { + sal_Char aBuf[RTL_STR_MAX_VALUEOFBOOLEAN]; + rtl_String* pNewData = 0; + rtl_string_newFromStr_WithLength( &pNewData, aBuf, rtl_str_valueOfBoolean( aBuf, b ) ); + return OString( pNewData, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Returns the string representation of the char argument. + + @param c a character. + @return a string with the string representation of the argument. + */ + static OString valueOf( sal_Char c ) SAL_THROW(()) + { + return OString( &c, 1 ); + } + + /** + Returns the string representation of the int argument. + + This function can't be used for language specific conversion. + + @param i a int32. + @param radix the radix (between 2 and 36) + @return a string with the string representation of the argument. + */ + static OString valueOf( sal_Int32 i, sal_Int16 radix = 10 ) SAL_THROW(()) + { + sal_Char aBuf[RTL_STR_MAX_VALUEOFINT32]; + rtl_String* pNewData = 0; + rtl_string_newFromStr_WithLength( &pNewData, aBuf, rtl_str_valueOfInt32( aBuf, i, radix ) ); + return OString( pNewData, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Returns the string representation of the long argument. + + This function can't be used for language specific conversion. + + @param ll a int64. + @param radix the radix (between 2 and 36) + @return a string with the string representation of the argument. + */ + static OString valueOf( sal_Int64 ll, sal_Int16 radix = 10 ) SAL_THROW(()) + { + sal_Char aBuf[RTL_STR_MAX_VALUEOFINT64]; + rtl_String* pNewData = 0; + rtl_string_newFromStr_WithLength( &pNewData, aBuf, rtl_str_valueOfInt64( aBuf, ll, radix ) ); + return OString( pNewData, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Returns the string representation of the float argument. + + This function can't be used for language specific conversion. + + @param f a float. + @return a string with the string representation of the argument. + */ + static OString valueOf( float f ) SAL_THROW(()) + { + sal_Char aBuf[RTL_STR_MAX_VALUEOFFLOAT]; + rtl_String* pNewData = 0; + rtl_string_newFromStr_WithLength( &pNewData, aBuf, rtl_str_valueOfFloat( aBuf, f ) ); + return OString( pNewData, (DO_NOT_ACQUIRE*)0 ); + } + + /** + Returns the string representation of the double argument. + + This function can't be used for language specific conversion. + + @param d a double. + @return a string with the string representation of the argument. + */ + static OString valueOf( double d ) SAL_THROW(()) + { + sal_Char aBuf[RTL_STR_MAX_VALUEOFDOUBLE]; + rtl_String* pNewData = 0; + rtl_string_newFromStr_WithLength( &pNewData, aBuf, rtl_str_valueOfDouble( aBuf, d ) ); + return OString( pNewData, (DO_NOT_ACQUIRE*)0 ); + } +}; + +/* ======================================================================= */ + +/** A helper to use OStrings with hash maps. + + Instances of this class are unary function objects that can be used as + hash function arguments to STLPort's hash_map and similar constructs. + */ +struct OStringHash +{ + /** Compute a hash code for a string. + + @param rString + a string. + + @return + a hash code for the string. This hash code should not be stored + persistently, as its computation may change in later revisions. + */ + size_t operator()( const rtl::OString& rString ) const + { return (size_t)rString.hashCode(); } +}; + +/* ======================================================================= */ + +} /* Namespace */ + +#endif /* __cplusplus */ + +#endif /* _RTL_STRING_HXX_ */ |