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Diffstat (limited to 'include/rtl/string.hxx')
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diff --git a/include/rtl/string.hxx b/include/rtl/string.hxx new file mode 100644 index 000000000000..e3d5afbc895a --- /dev/null +++ b/include/rtl/string.hxx @@ -0,0 +1,1709 @@ +/* -*- 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 _RTL_STRING_HXX_ +#define _RTL_STRING_HXX_ + +#include "sal/config.h" + +#include <cassert> +#include <ostream> +#include <string.h> + +#include <osl/diagnose.h> +#include <rtl/textenc.h> +#include <rtl/string.h> +#include <rtl/stringutils.hxx> + +#ifdef RTL_FAST_STRING +#include <rtl/stringconcat.hxx> +#endif + +#include "sal/log.hxx" + +#if !defined EXCEPTIONS_OFF +#include <new> +#endif + +// The unittest uses slightly different code to help check that the proper +// calls are made. The class is put into a different namespace to make +// sure the compiler generates a different (if generating also non-inline) +// copy of the function and does not merge them together. The class +// is "brought" into the proper rtl namespace by a typedef below. +#ifdef RTL_STRING_UNITTEST +#define rtl rtlunittest +#endif + +namespace rtl +{ + +#ifdef RTL_STRING_UNITTEST +#undef rtl +// helper macro to make functions appear more readable +#define RTL_STRING_CONST_FUNCTION rtl_string_unittest_const_literal_function = true; +#else +#define RTL_STRING_CONST_FUNCTION +#endif + +/* ======================================================================= */ + +/** + 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 SAL_WARN_UNUSED OString +{ +public: + /// @cond INTERNAL + rtl_String * pData; + /// @endcond + +private: + class DO_NOT_ACQUIRE; + + OString( rtl_String * value, SAL_UNUSED_PARAMETER 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 OString data without acquiring it. Takeover of ownership. + + The SAL_NO_ACQUIRE dummy parameter is only there to distinguish this + from other constructors. + + @param str a OString data. + */ + inline OString( rtl_String * str, __sal_NoAcquire ) SAL_THROW(()) + { + pData = str; + } + + /** + 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. + + Note: The argument type is always either char* or const char*. The template is + used only for technical reasons, as is the second argument. + + @param value a NULL-terminated character array. + */ + template< typename T > + OString( const T& value, typename internal::CharPtrDetector< T, internal::Dummy >::Type = internal::Dummy() ) SAL_THROW(()) + { + pData = 0; + rtl_string_newFromStr( &pData, value ); + } + + template< typename T > + OString( T& value, typename internal::NonConstCharArrayDetector< T, internal::Dummy >::Type = internal::Dummy() ) SAL_THROW(()) + { + pData = 0; + rtl_string_newFromStr( &pData, value ); + } + + /** + New string from a string literal. + + If there are any embedded \0's in the string literal, the result is undefined. + Use the overload that explicitly accepts length. + + @since LibreOffice 3.6 + + @param literal a string literal + */ + template< typename T > + OString( T& literal, typename internal::ConstCharArrayDetector< T, internal::Dummy >::Type = internal::Dummy() ) SAL_THROW(()) + { + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + pData = 0; + if( internal::ConstCharArrayDetector< T, void >::size - 1 == 0 ) // empty string + rtl_string_new( &pData ); + else + rtl_string_newFromLiteral( &pData, literal, internal::ConstCharArrayDetector< T, void >::size - 1, 0 ); +#ifdef RTL_STRING_UNITTEST + rtl_string_unittest_const_literal = true; +#endif + } + + /** + 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 (pData == 0) { +#if defined EXCEPTIONS_OFF + abort(); +#else + throw std::bad_alloc(); +#endif + } + } + +#ifdef RTL_FAST_STRING + /** + @overload + @internal + */ + template< typename T1, typename T2 > + OString( const OStringConcat< T1, T2 >& c ) + { + const sal_Int32 l = c.length(); + pData = rtl_string_alloc( l ); + if (l != 0) + { + char* end = c.addData( pData->buffer ); + pData->length = end - pData->buffer; + *end = '\0'; + } + } +#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; + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, OString& >::Type operator=( T& literal ) SAL_THROW(()) + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + if( internal::ConstCharArrayDetector< T, void >::size - 1 == 0 ) // empty string + rtl_string_new( &pData ); + else + rtl_string_newFromLiteral( &pData, literal, internal::ConstCharArrayDetector< T, void >::size - 1, 0 ); + 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; + } + +#ifdef RTL_FAST_STRING + /** + @overload + @internal + */ + template< typename T1, typename T2 > + OString& operator+=( const OStringConcat< T1, T2 >& c ) + { + const int l = c.length(); + if( l == 0 ) + return *this; + rtl_string_ensureCapacity( &pData, pData->length + l ); + char* end = c.addData( pData->buffer + pData->length ); + *end = '\0'; + pData->length = end - pData->buffer; + return *this; + } +#endif + /** + 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; } + + /** + Checks if a string is empty. + + @return true if the string is empty; + false, otherwise. + + @since LibreOffice 3.4 + */ + bool isEmpty() const SAL_THROW(()) + { + return pData->length == 0; + } + + /** + 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; } + + /** + Access to individual characters. + + @param index must be non-negative and less than length. + + @return the character at the given index. + + @since LibreOffice 3.5 + */ + sal_Char operator [](sal_Int32 index) const { + assert(index >= 0 && index <= getLength()); + //TODO: should really check for < getLength(), but there is quite + // some clever code out there that violates this function's + // documented precondition and relies on s[s.getLength()] == 0 and + // that would need to be fixed first + return getStr()[index]; + } + + /** + 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 rObj 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 comparison of two strings. + + The result is true if and only if second string + represents the same sequence of characters as the first string. + The ASCII string must be NULL-terminated and must be greater or + equal as length. + This function can't be used for language specific comparison. + + + @param value a character array. + @param length the length of the character array. + @return sal_True if the strings are equal; + sal_False, otherwise. + */ + sal_Bool equalsL( const sal_Char* value, sal_Int32 length ) const SAL_THROW(()) + { + if ( pData->length != length ) + return sal_False; + + return rtl_str_reverseCompare_WithLength( pData->buffer, pData->length, + value, 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; + } + + /** + 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). + 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. The ASCII string must be NULL-terminated. + This function can't be used for language specific comparison. + + Note: The argument type is always either char* or const char*, the return type is bool. + The template is used only for technical reasons. + + @param asciiStr the 8-Bit ASCII character string to be compared. + @return sal_True if the strings are equal; + sal_False, otherwise. + */ + template< typename T > + typename internal::CharPtrDetector< T, bool >::Type equalsIgnoreAsciiCase( const T& asciiStr ) const SAL_THROW(()) + { + return rtl_str_compareIgnoreAsciiCase( pData->buffer, asciiStr ) == 0; + } + + template< typename T > + typename internal::NonConstCharArrayDetector< T, bool >::Type equalsIgnoreAsciiCase( T& asciiStr ) const SAL_THROW(()) + { + return rtl_str_compareIgnoreAsciiCase( pData->buffer, asciiStr ) == 0; + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, bool >::Type equalsIgnoreAsciiCase( T& literal ) const SAL_THROW(()) + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + if ( pData->length != internal::ConstCharArrayDetector< T, void >::size - 1 ) + return false; + return rtl_str_compareIgnoreAsciiCase_WithLength( pData->buffer, pData->length, + literal, internal::ConstCharArrayDetector< T, void >::size - 1 ) == 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). + 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. The ASCII string must be greater or equal in length as asciiStrLength. + This function can't be used for language specific comparison. + + @param asciiStr the 8-Bit ASCII character string to be compared. + @param asciiStrLength the length of the ascii string + @return sal_True if the strings are equal; + sal_False, otherwise. + */ + sal_Bool equalsIgnoreAsciiCaseL( const sal_Char * asciiStr, sal_Int32 asciiStrLength ) const SAL_THROW(()) + { + if ( pData->length != asciiStrLength ) + return sal_False; + + return rtl_str_compareIgnoreAsciiCase_WithLength( pData->buffer, pData->length, + asciiStr, asciiStrLength ) == 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; + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, bool >::Type match( T& literal, sal_Int32 fromIndex = 0 ) const SAL_THROW(()) + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + return rtl_str_shortenedCompare_WithLength( + pData->buffer + fromIndex, pData->length - fromIndex, + literal, internal::ConstCharArrayDetector< T, void >::size - 1, internal::ConstCharArrayDetector< T, void >::size - 1) == 0; + } + + /** + Match against a substring appearing in this string. + + @param str the substring to be compared; must not be null and must point + to memory of at least strLength bytes + + @param strLength the length of the substring; must be non-negative + + @param fromIndex the index into this string to start the comparison at; + must be non-negative and not greater than this string's length + + @return true if and only if the given str is contained as a substring of + this string at the given fromIndex + + @since LibreOffice 3.6 + */ + bool matchL( + char const * str, sal_Int32 strLength, sal_Int32 fromIndex = 0) + const + { + return rtl_str_shortenedCompare_WithLength( + pData->buffer + fromIndex, pData->length - fromIndex, + str, strLength, strLength) == 0; + } + + // This overload is left undefined, to detect calls of matchL that + // erroneously use RTL_CONSTASCII_USTRINGPARAM instead of + // RTL_CONSTASCII_STRINGPARAM (but would lead to ambiguities on 32 bit + // platforms): +#if SAL_TYPES_SIZEOFLONG == 8 + void matchL(char const *, sal_Int32, rtl_TextEncoding) const; +#endif + + /** + 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; + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, bool >::Type matchIgnoreAsciiCase( T& literal, sal_Int32 fromIndex = 0 ) const + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + return rtl_str_shortenedCompareIgnoreAsciiCase_WithLength( pData->buffer+fromIndex, pData->length-fromIndex, + literal, internal::ConstCharArrayDetector< T, void >::size - 1, internal::ConstCharArrayDetector< T, void >::size - 1 ) == 0; + } + + /** + Check whether this string starts with a given substring. + + @param str the substring to be compared + + @return true if and only if the given str appears as a substring at the + start of this string + + @since LibreOffice 4.0 + */ + bool startsWith(OString const & str) const { + return match(str, 0); + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 4.0 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, bool >::Type startsWith( T& literal ) const + { + RTL_STRING_CONST_FUNCTION + return match(literal, 0); + } + + /** + Check whether this string ends with a given substring. + + @param str the substring to be compared + + @return true if and only if the given str appears as a substring at the + end of this string + + @since LibreOffice 3.6 + */ + bool endsWith(OString const & str) const { + return str.getLength() <= getLength() + && match(str, getLength() - str.getLength()); + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, bool >::Type endsWith( T& literal ) const + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + return internal::ConstCharArrayDetector< T, void >::size - 1 <= getLength() + && match(literal, getLength() - ( internal::ConstCharArrayDetector< T, void >::size - 1 )); + } + + /** + Check whether this string ends with a given substring. + + @param str the substring to be compared; must not be null and must point + to memory of at least strLength bytes + + @param strLength the length of the substring; must be non-negative + + @return true if and only if the given str appears as a substring at the + end of this string + + @since LibreOffice 3.6 + */ + bool endsWithL(char const * str, sal_Int32 strLength) const { + return strLength <= getLength() + && matchL(str, strLength, getLength() - strLength); + } + + friend sal_Bool operator == ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return rStr1.equals(rStr2); } + friend sal_Bool operator != ( const OString& rStr1, const OString& rStr2 ) SAL_THROW(()) + { return !(operator == ( rStr1, 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; } + + template< typename T > + friend typename internal::CharPtrDetector< T, bool >::Type operator==( const OString& rStr1, const T& value ) SAL_THROW(()) + { + return rStr1.compareTo( value ) == 0; + } + + template< typename T > + friend typename internal::NonConstCharArrayDetector< T, bool >::Type operator==( const OString& rStr1, T& value ) SAL_THROW(()) + { + return rStr1.compareTo( value ) == 0; + } + + template< typename T > + friend typename internal::CharPtrDetector< T, bool >::Type operator==( const T& value, const OString& rStr2 ) SAL_THROW(()) + { + return rStr2.compareTo( value ) == 0; + } + + template< typename T > + friend typename internal::NonConstCharArrayDetector< T, bool >::Type operator==( T& value, const OString& rStr2 ) SAL_THROW(()) + { + return rStr2.compareTo( value ) == 0; + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + friend typename internal::ConstCharArrayDetector< T, bool >::Type operator==( const OString& rStr, T& literal ) SAL_THROW(()) + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + return rStr.getLength() == internal::ConstCharArrayDetector< T, void >::size - 1 + && rtl_str_compare_WithLength( rStr.pData->buffer, rStr.pData->length, literal, + internal::ConstCharArrayDetector< T, void >::size - 1 ) == 0; + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + friend typename internal::ConstCharArrayDetector< T, bool >::Type operator==( T& literal, const OString& rStr ) SAL_THROW(()) + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + return rStr.getLength() == internal::ConstCharArrayDetector< T, void >::size - 1 + && rtl_str_compare_WithLength( rStr.pData->buffer, rStr.pData->length, literal, + internal::ConstCharArrayDetector< T, void >::size - 1 ) == 0; + } + + template< typename T > + friend typename internal::CharPtrDetector< T, bool >::Type operator!=( const OString& rStr1, const T& value ) SAL_THROW(()) + { + return !(operator == ( rStr1, value )); + } + + template< typename T > + friend typename internal::NonConstCharArrayDetector< T, bool >::Type operator!=( const OString& rStr1, T& value ) SAL_THROW(()) + { + return !(operator == ( rStr1, value )); + } + + template< typename T > + friend typename internal::CharPtrDetector< T, bool >::Type operator!=( const T& value, const OString& rStr2 ) SAL_THROW(()) + { + return !(operator == ( value, rStr2 )); + } + + template< typename T > + friend typename internal::NonConstCharArrayDetector< T, bool >::Type operator!=( T& value, const OString& rStr2 ) SAL_THROW(()) + { + return !(operator == ( value, rStr2 )); + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + friend typename internal::ConstCharArrayDetector< T, bool >::Type operator!=( const OString& rStr, T& literal ) SAL_THROW(()) + { + return !( rStr == literal ); + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + friend typename internal::ConstCharArrayDetector< T, bool >::Type operator!=( T& literal, const OString& rStr ) SAL_THROW(()) + { + return !( literal == rStr ); + } + + /** + Returns a hashcode for this string. + + @return a hash code value for this object. + + @see rtl::OStringHash for convenient use of boost::unordered_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); + } + + /** + @overload + This function accepts an ASCII string literal as its argument. + @since LibreOffice 3.6 + */ + template< typename T > + typename internal::ConstCharArrayDetector< T, sal_Int32 >::Type indexOf( T& literal, sal_Int32 fromIndex = 0 ) const SAL_THROW(()) + { + RTL_STRING_CONST_FUNCTION + assert( strlen( literal ) == internal::ConstCharArrayDetector< T >::size - 1 ); + sal_Int32 n = rtl_str_indexOfStr_WithLength( + pData->buffer + fromIndex, pData->length - fromIndex, literal, internal::ConstCharArrayDetector< T, void >::size - 1); + return n < 0 ? n : n + fromIndex; + } + + /** + 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 len the length of the substring. + @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. + + @since LibreOffice 3.6 + */ + sal_Int32 indexOfL(char const * str, sal_Int32 len, sal_Int32 fromIndex = 0) + const SAL_THROW(()) + { + sal_Int32 n = rtl_str_indexOfStr_WithLength( + pData->buffer + fromIndex, pData->length - fromIndex, str, len); + return n < 0 ? n : n + fromIndex; + } + + // This overload is left undefined, to detect calls of indexOfL that + // erroneously use RTL_CONSTASCII_USTRINGPARAM instead of + // RTL_CONSTASCII_STRINGPARAM (but would lead to ambiguities on 32 bit + // platforms): +#if SAL_TYPES_SIZEOFLONG == 8 + void indexOfL(char const *, sal_Int32, rtl_TextEncoding) const; +#endif + + /** + 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. If + beginIndex is negative or be greater than the length of + this string, behaviour is undefined. + + @param beginIndex the beginning index, inclusive. + @return the specified substring. + */ + SAL_WARN_UNUSED_RESULT OString copy( sal_Int32 beginIndex ) const SAL_THROW(()) + { + rtl_String *pNew = 0; + rtl_string_newFromSubString( &pNew, pData, 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. If either beginIndex or count are negative, + or beginIndex + count are greater than the length of this string + then behaviour is undefined. + + @param beginIndex the beginning index, inclusive. + @param count the number of characters. + @return the specified substring. + */ + SAL_WARN_UNUSED_RESULT OString copy( sal_Int32 beginIndex, sal_Int32 count ) const SAL_THROW(()) + { + rtl_String *pNew = 0; + rtl_string_newFromSubString( &pNew, pData, 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. + */ + SAL_WARN_UNUSED_RESULT 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 ); + } + +#ifndef RTL_FAST_STRING + friend OString operator+( const OString & str1, const OString & str2 ) SAL_THROW(()) + { + return str1.concat( str2 ); + } +#endif + + /** + 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 characters 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. + */ + SAL_WARN_UNUSED_RESULT 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. + */ + SAL_WARN_UNUSED_RESULT 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 ); + } + + /** + Returns a new string resulting from replacing the first occurrence of a + given substring with another substring. + + @param from the substring to be replaced + + @param to the replacing substring + + @param[in,out] index pointer to a start index; if the pointer is + non-null: upon entry to the function, its value is the index into the this + string at which to start searching for the \p from substring, the value + must be non-negative and not greater than this string's length; upon exit + from the function its value is the index into this string at which the + replacement took place or -1 if no replacement took place; if the pointer + is null, searching always starts at index 0 + + @since LibreOffice 3.6 + */ + SAL_WARN_UNUSED_RESULT OString replaceFirst( + OString const & from, OString const & to, sal_Int32 * index = 0) const + { + rtl_String * s = 0; + sal_Int32 i = 0; + rtl_string_newReplaceFirst( + &s, pData, from.pData->buffer, from.pData->length, + to.pData->buffer, to.pData->length, index == 0 ? &i : index); + return OString(s, SAL_NO_ACQUIRE); + } + + /** + Returns a new string resulting from 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 from the substring to be replaced + + @param to the replacing substring + + @since LibreOffice 3.6 + */ + SAL_WARN_UNUSED_RESULT OString replaceAll(OString const & from, OString const & to) const { + rtl_String * s = 0; + rtl_string_newReplaceAll( + &s, pData, from.pData->buffer, from.pData->length, + to.pData->buffer, to.pData->length); + return OString(s, SAL_NO_ACQUIRE); + } + + /** + 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. + */ + SAL_WARN_UNUSED_RESULT 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. + */ + SAL_WARN_UNUSED_RESULT 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. + */ + SAL_WARN_UNUSED_RESULT 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 a token from the string. + + The same as getToken(sal_Int32, sal_Char, sal_Int32 &), but always passing + in 0 as the start index in the third argument. + + @param count the number of the token to return, starting with 0 + @param separator the character which separates the tokens + + @return the given token, or an empty string + + @since LibreOffice 3.6 + */ + OString getToken(sal_Int32 count, char separator) const { + sal_Int32 n = 0; + return getToken(count, separator, n); + } + + /** + 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 or one of too large + magnitude. + */ + 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 or one of too large + magnitude. + */ + sal_Int64 toInt64( sal_Int16 radix = 10 ) const SAL_THROW(()) + { + return rtl_str_toInt64( pData->buffer, radix ); + } + + /** + Returns the uint64 value from this string. + + This function can't be used for language specific conversion. + + @param radix the radix (between 2 and 36) + @return the uint64 represented from this string. + 0 if this string represents no number or one of too large + magnitude. + + @since LibreOffice 4.1 + */ + sal_uInt64 toUInt64( sal_Int16 radix = 10 ) const SAL_THROW(()) + { + return rtl_str_toUInt64( 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 integer argument. + + This function can't be used for language specific conversion. + + @param i an integer value + @param radix the radix (between 2 and 36) + @return a string with the string representation of the argument. + @since LibreOffice 4.1 + */ + static OString number( int i, sal_Int16 radix = 10 ) + { + return number( static_cast< long long >( i ), radix ); + } + /// @overload + /// @since LibreOffice 4.1 + static OString number( unsigned int i, sal_Int16 radix = 10 ) + { + return number( static_cast< unsigned long long >( i ), radix ); + } + /// @overload + /// @since LibreOffice 4.1 + static OString number( long i, sal_Int16 radix = 10 ) + { + return number( static_cast< long long >( i ), radix ); + } + /// @overload + /// @since LibreOffice 4.1 + static OString number( unsigned long i, sal_Int16 radix = 10 ) + { + return number( static_cast< unsigned long long >( i ), radix ); + } + /// @overload + /// @since LibreOffice 4.1 + static OString number( long long ll, sal_Int16 radix = 10 ) + { + 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 ); + } + /// @overload + /// @since LibreOffice 4.1 + static OString number( unsigned long long ll, sal_Int16 radix = 10 ) + { + sal_Char aBuf[RTL_STR_MAX_VALUEOFUINT64]; + rtl_String* pNewData = 0; + rtl_string_newFromStr_WithLength( &pNewData, aBuf, rtl_str_valueOfUInt64( 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. + @since LibreOffice 4.1 + */ + static OString number( float f ) + { + 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. + @since LibreOffice 4.1 + */ + static OString number( double d ) + { + 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 ); + } + + /** + 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. + @deprecated use boolean() + */ + SAL_DEPRECATED_INTERNAL("use boolean()") static OString valueOf( sal_Bool b ) SAL_THROW(()) + { + return boolean(b); + } + + /** + Returns the string representation of the boolean argument. + + If the argument is true, the string "true" is returned. + If the argument is false, the string "false" is returned. + This function can't be used for language specific conversion. + + @param b a bool. + @return a string with the string representation of the argument. + @since LibreOffice 4.1 + */ + static OString boolean( 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. + @deprecated use operator, function or constructor taking char or sal_Unicode argument + */ + SAL_DEPRECATED_INTERNAL("convert to OString or use directly") 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. + @deprecated use number() + */ + SAL_DEPRECATED_INTERNAL("use number()") static OString valueOf( sal_Int32 i, sal_Int16 radix = 10 ) SAL_THROW(()) + { + return number( i, radix ); + } + + /** + 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. + @deprecated use number() + */ + SAL_DEPRECATED_INTERNAL("use number()") static OString valueOf( sal_Int64 ll, sal_Int16 radix = 10 ) SAL_THROW(()) + { + return number( ll, radix ); + } + + /** + 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. + @deprecated use number() + */ + SAL_DEPRECATED_INTERNAL("use number()") static OString valueOf( float f ) SAL_THROW(()) + { + return number(f); + } + + /** + 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. + @deprecated use number() + */ + SAL_DEPRECATED_INTERNAL("use number()") static OString valueOf( double d ) SAL_THROW(()) + { + return number(d); + } + +}; + +/* ======================================================================= */ + +#ifdef RTL_FAST_STRING +/** +A simple wrapper around string literal. It is usually not necessary to use, can +be mostly used to force OString operator+ working with operands that otherwise would +not trigger it. + +This class is not part of public API and is meant to be used only in LibreOffice code. +@since LibreOffice 4.0 +*/ +struct SAL_WARN_UNUSED OStringLiteral +{ + template< int N > + OStringLiteral( const char (&str)[ N ] ) : size( N - 1 ), data( str ) { assert( strlen( str ) == N - 1 ); } + int size; + const char* data; +}; + +/** + @internal +*/ +template<> +struct ToStringHelper< OString > + { + static int length( const OString& s ) { return s.getLength(); } + static char* addData( char* buffer, const OString& s ) { return addDataHelper( buffer, s.getStr(), s.getLength()); } + static const bool allowOStringConcat = true; + static const bool allowOUStringConcat = false; + }; + +/** + @internal +*/ +template<> +struct ToStringHelper< OStringLiteral > + { + static int length( const OStringLiteral& str ) { return str.size; } + static char* addData( char* buffer, const OStringLiteral& str ) { return addDataHelper( buffer, str.data, str.size ); } + static const bool allowOStringConcat = true; + static const bool allowOUStringConcat = false; + }; + +/** + @internal +*/ +template< typename charT, typename traits, typename T1, typename T2 > +inline std::basic_ostream<charT, traits> & operator <<( + std::basic_ostream<charT, traits> & stream, const OStringConcat< T1, T2 >& concat) +{ + return stream << OString( concat ); +} +#else +// non-RTL_FAST_CODE needs this to compile +typedef OString OStringLiteral; +#endif + + +/** 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 boost::unordered_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 OString& rString ) const + { return (size_t)rString.hashCode(); } +}; + +/* ======================================================================= */ + +/** + Support for rtl::OString in std::ostream (and thus in + CPPUNIT_ASSERT or SAL_INFO macros, for example). + + @since LibreOffice 4.0 + */ +template< typename charT, typename traits > std::basic_ostream<charT, traits> & +operator <<( + std::basic_ostream<charT, traits> & stream, OString const & string) +{ + return stream << string.getStr(); + // best effort; potentially loses data due to embedded null characters +} + +} /* Namespace */ + +#ifdef RTL_STRING_UNITTEST +namespace rtl +{ +typedef rtlunittest::OString OString; +} +#undef RTL_STRING_CONST_FUNCTION +#endif + +#ifdef RTL_USING +using ::rtl::OString; +using ::rtl::OStringHash; +using ::rtl::OStringLiteral; +#endif + +#endif /* _RTL_STRING_HXX_ */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |