/* -*- 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 . */ #include #include #include #include #include #include #include #include "strimp.hxx" #include #include #include #if defined _WIN32 // Temporary check to verify that the #pragma pack around rtl_String is indeed cargo cult and can // safely be removed: static_assert(alignof (rtl_String) == 4); static_assert(sizeof (rtl_String) == 12); #endif /* ======================================================================= */ #if USE_SDT_PROBES #define RTL_LOG_STRING_BITS 8 #endif #include "strtmpl.hxx" /* static data to be referenced by all empty strings * the refCount is predefined to 1 and must never become 0 ! */ template<> rtl_String rtl::str::EmptyStringImpl::data = { SAL_STRING_STATIC_FLAG|1, /* sal_Int32 refCount; */ 0, /* sal_Int32 length; */ { 0 } /* char buffer[1]; */ }; /* ======================================================================= */ sal_Int32 SAL_CALL rtl_str_valueOfFloat(char * pStr, float f) SAL_THROW_EXTERN_C() { assert(pStr); rtl_String * pResult = nullptr; sal_Int32 nLen; rtl_math_doubleToString( &pResult, nullptr, 0, f, rtl_math_StringFormat_G, RTL_STR_MAX_VALUEOFFLOAT - RTL_CONSTASCII_LENGTH("-x.E-xxx"), '.', nullptr, 0, true); nLen = pResult->length; OSL_ASSERT(nLen < RTL_STR_MAX_VALUEOFFLOAT); memcpy(pStr, pResult->buffer, (nLen + 1) * sizeof(char)); rtl_string_release(pResult); return nLen; } sal_Int32 SAL_CALL rtl_str_valueOfDouble(char * pStr, double d) SAL_THROW_EXTERN_C() { assert(pStr); rtl_String * pResult = nullptr; sal_Int32 nLen; rtl_math_doubleToString( &pResult, nullptr, 0, d, rtl_math_StringFormat_G, RTL_STR_MAX_VALUEOFDOUBLE - RTL_CONSTASCII_LENGTH("-x.E-xxx"), '.', nullptr, 0, true); nLen = pResult->length; OSL_ASSERT(nLen < RTL_STR_MAX_VALUEOFDOUBLE); memcpy(pStr, pResult->buffer, (nLen + 1) * sizeof(char)); rtl_string_release(pResult); return nLen; } float SAL_CALL rtl_str_toFloat(char const * pStr) SAL_THROW_EXTERN_C() { assert(pStr); return static_cast(rtl_math_stringToDouble(pStr, pStr + rtl_str_getLength(pStr), '.', 0, nullptr, nullptr)); } double SAL_CALL rtl_str_toDouble(char const * pStr) SAL_THROW_EXTERN_C() { assert(pStr); return rtl_math_stringToDouble(pStr, pStr + rtl_str_getLength(pStr), '.', 0, nullptr, nullptr); } /* ======================================================================= */ static int rtl_ImplGetFastUTF8ByteLen( const sal_Unicode* pStr, sal_Int32 nLen ) { int n; sal_Unicode c; sal_uInt32 nUCS4Char; const sal_Unicode* pEndStr; n = 0; pEndStr = pStr+nLen; while ( pStr < pEndStr ) { c = *pStr; if ( c < 0x80 ) n++; else if ( c < 0x800 ) n += 2; else { if ( !rtl::isHighSurrogate(c) ) n += 3; else { nUCS4Char = c; if ( pStr+1 < pEndStr ) { c = *(pStr+1); if ( rtl::isLowSurrogate(c) ) { nUCS4Char = rtl::combineSurrogates(nUCS4Char, c); pStr++; } } if ( nUCS4Char < 0x10000 ) n += 3; else if ( nUCS4Char < 0x200000 ) n += 4; else if ( nUCS4Char < 0x4000000 ) n += 5; else n += 6; } } pStr++; } return n; } /* ----------------------------------------------------------------------- */ static bool rtl_impl_convertUStringToString(rtl_String ** pTarget, sal_Unicode const * pSource, sal_Int32 nLength, rtl_TextEncoding nEncoding, sal_uInt32 nFlags, bool bCheckErrors) { assert(pTarget != nullptr); assert(pSource != nullptr || nLength == 0); assert(nLength >= 0); OSL_ASSERT(nLength == 0 || rtl_isOctetTextEncoding(nEncoding)); if ( !nLength ) rtl_string_new( pTarget ); else { rtl_String* pTemp; rtl_UnicodeToTextConverter hConverter; sal_uInt32 nInfo; sal_Size nSrcChars; sal_Size nDestBytes; sal_Size nNewLen; sal_Size nNotConvertedChars; sal_Size nMaxCharLen; /* Optimization for UTF-8 - we try to calculate the exact length */ /* For all other encoding we try a good estimation */ if ( nEncoding == RTL_TEXTENCODING_UTF8 ) { nNewLen = rtl_ImplGetFastUTF8ByteLen( pSource, nLength ); /* Includes the string only ASCII, then we could copy the buffer faster */ if ( nNewLen == static_cast(nLength) ) { char* pBuffer; if ( *pTarget ) rtl_string_release( *pTarget ); *pTarget = rtl_string_ImplAlloc( nLength ); OSL_ASSERT(*pTarget != nullptr); pBuffer = (*pTarget)->buffer; do { /* Check ASCII range */ OSL_ENSURE( *pSource <= 127, "rtl_uString2String() - UTF8 test is encoding is wrong" ); *pBuffer = static_cast(static_cast(*pSource)); pBuffer++; pSource++; nLength--; } while ( nLength ); return true; } nMaxCharLen = 4; } else { rtl_TextEncodingInfo aTextEncInfo; aTextEncInfo.StructSize = sizeof( aTextEncInfo ); if ( !rtl_getTextEncodingInfo( nEncoding, &aTextEncInfo ) ) { aTextEncInfo.AverageCharSize = 1; aTextEncInfo.MaximumCharSize = 8; } nNewLen = nLength * static_cast(aTextEncInfo.AverageCharSize); nMaxCharLen = aTextEncInfo.MaximumCharSize; } nFlags |= RTL_UNICODETOTEXT_FLAGS_FLUSH; hConverter = rtl_createUnicodeToTextConverter( nEncoding ); for (;;) { pTemp = rtl_string_ImplAlloc( nNewLen ); OSL_ASSERT(pTemp != nullptr); nDestBytes = rtl_convertUnicodeToText( hConverter, nullptr, pSource, nLength, pTemp->buffer, nNewLen, nFlags, &nInfo, &nSrcChars ); if (bCheckErrors && (nInfo & RTL_UNICODETOTEXT_INFO_ERROR) != 0) { rtl_freeString(pTemp); rtl_destroyUnicodeToTextConverter(hConverter); return false; } if ((nInfo & RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL) == 0) break; /* Buffer not big enough, try again with enough space */ rtl_freeString( pTemp ); /* Try with the max. count of characters with additional overhead for replacing functionality */ nNotConvertedChars = nLength-nSrcChars; nNewLen = nDestBytes+(nNotConvertedChars*nMaxCharLen)+nNotConvertedChars+4; } /* Set the buffer to the correct size or is there to much overhead, reallocate to the correct size */ if ( nNewLen > nDestBytes+8 ) { rtl_String* pTemp2 = rtl_string_ImplAlloc( nDestBytes ); OSL_ASSERT(pTemp2 != nullptr); rtl::str::Copy(pTemp2->buffer, pTemp->buffer, nDestBytes); rtl_freeString( pTemp ); pTemp = pTemp2; } else { pTemp->length = nDestBytes; pTemp->buffer[nDestBytes] = 0; } rtl_destroyUnicodeToTextConverter( hConverter ); if ( *pTarget ) rtl_string_release( *pTarget ); *pTarget = pTemp; /* Results the conversion in an empty buffer - create an empty string */ if ( pTemp && !nDestBytes ) rtl_string_new( pTarget ); } return true; } void SAL_CALL rtl_uString2String( rtl_String** ppThis, const sal_Unicode* pUStr, sal_Int32 nULen, rtl_TextEncoding eTextEncoding, sal_uInt32 nCvtFlags ) SAL_THROW_EXTERN_C() { rtl_impl_convertUStringToString(ppThis, pUStr, nULen, eTextEncoding, nCvtFlags, false); } sal_Bool SAL_CALL rtl_convertUStringToString(rtl_String ** pTarget, sal_Unicode const * pSource, sal_Int32 nLength, rtl_TextEncoding nEncoding, sal_uInt32 nFlags) SAL_THROW_EXTERN_C() { return rtl_impl_convertUStringToString(pTarget, pSource, nLength, nEncoding, nFlags, true); } void rtl_string_newReplaceFirst( rtl_String ** newStr, rtl_String * str, char const * from, sal_Int32 fromLength, char const * to, sal_Int32 toLength, sal_Int32 * index) SAL_THROW_EXTERN_C() { assert(str != nullptr); assert(index != nullptr); assert(*index >= 0 && *index <= str->length); assert(fromLength >= 0); assert(toLength >= 0); sal_Int32 i = rtl_str_indexOfStr_WithLength( str->buffer + *index, str->length - *index, from, fromLength); if (i == -1) { rtl_string_assign(newStr, str); } else { assert(i <= str->length - *index); i += *index; assert(fromLength <= str->length); if (str->length - fromLength > SAL_MAX_INT32 - toLength) { std::abort(); } sal_Int32 n = str->length - fromLength + toLength; rtl_string_acquire(str); // in case *newStr == str rtl_string_new_WithLength(newStr, n); if (n != 0) { (*newStr)->length = n; assert(i >= 0 && i < str->length); memcpy((*newStr)->buffer, str->buffer, i); memcpy((*newStr)->buffer + i, to, toLength); memcpy( (*newStr)->buffer + i + toLength, str->buffer + i + fromLength, str->length - i - fromLength); } rtl_string_release(str); } *index = i; } void rtl_string_newReplaceAll( rtl_String ** newStr, rtl_String * str, char const * from, sal_Int32 fromLength, char const * to, sal_Int32 toLength) SAL_THROW_EXTERN_C() { rtl_string_assign(newStr, str); for (sal_Int32 i = 0;; i += toLength) { rtl_string_newReplaceFirst( newStr, *newStr, from, fromLength, to, toLength, &i); if (i == -1) { break; } } } sal_Int32 SAL_CALL rtl_str_getLength(const char* pStr) SAL_THROW_EXTERN_C() { return rtl::str::getLength(pStr); } sal_Int32 SAL_CALL rtl_str_compare(const char* pStr1, const char* pStr2) SAL_THROW_EXTERN_C() { return rtl::str::compare(pStr1, pStr2); } sal_Int32 SAL_CALL rtl_str_compare_WithLength(const char* pStr1, sal_Int32 nStr1Len, const char* pStr2, sal_Int32 nStr2Len) SAL_THROW_EXTERN_C() { return rtl::str::compare_WithLength(pStr1, nStr1Len, pStr2, nStr2Len); } sal_Int32 SAL_CALL rtl_str_shortenedCompare_WithLength(const char* pStr1, sal_Int32 nStr1Len, const char* pStr2, sal_Int32 nStr2Len, sal_Int32 nShortenedLength) SAL_THROW_EXTERN_C() { return rtl::str::shortenedCompare_WithLength(pStr1, nStr1Len, pStr2, nStr2Len, nShortenedLength); } sal_Int32 SAL_CALL rtl_str_reverseCompare_WithLength(const char* pStr1, sal_Int32 nStr1Len, const char* pStr2, sal_Int32 nStr2Len) SAL_THROW_EXTERN_C() { return rtl::str::reverseCompare_WithLength(pStr1, nStr1Len, pStr2, nStr2Len); } sal_Int32 SAL_CALL rtl_str_compareIgnoreAsciiCase(const char* pStr1, const char* pStr2) SAL_THROW_EXTERN_C() { return rtl::str::compareIgnoreAsciiCase(pStr1, pStr2); } sal_Int32 SAL_CALL rtl_str_compareIgnoreAsciiCase_WithLength(const char* pStr1, sal_Int32 nStr1Len, const char* pStr2, sal_Int32 nStr2Len) SAL_THROW_EXTERN_C() { return rtl::str::compareIgnoreAsciiCase_WithLength(pStr1, nStr1Len, pStr2, nStr2Len); } sal_Int32 SAL_CALL rtl_str_shortenedCompareIgnoreAsciiCase_WithLength( const char* pStr1, sal_Int32 nStr1Len, const char* pStr2, sal_Int32 nStr2Len, sal_Int32 nShortenedLength) SAL_THROW_EXTERN_C() { return rtl::str::shortenedCompareIgnoreAsciiCase_WithLength(pStr1, nStr1Len, pStr2, nStr2Len, nShortenedLength); } sal_Int32 SAL_CALL rtl_str_hashCode(const char* pStr) SAL_THROW_EXTERN_C() { return rtl::str::hashCode(pStr); } sal_Int32 SAL_CALL rtl_str_hashCode_WithLength(const char* pStr, sal_Int32 nLen) SAL_THROW_EXTERN_C() { return rtl::str::hashCode_WithLength(pStr, nLen); } sal_Int32 SAL_CALL rtl_str_indexOfChar(const char* pStr, char c) SAL_THROW_EXTERN_C() { return rtl::str::indexOfChar(pStr, c); } sal_Int32 SAL_CALL rtl_str_indexOfChar_WithLength(const char* pStr, sal_Int32 nLen, char c) SAL_THROW_EXTERN_C() { return rtl::str::indexOfChar_WithLength(pStr, nLen, c); } sal_Int32 SAL_CALL rtl_str_lastIndexOfChar(const char* pStr, char c) SAL_THROW_EXTERN_C() { return rtl::str::lastIndexOfChar(pStr, c); } sal_Int32 SAL_CALL rtl_str_lastIndexOfChar_WithLength(const char* pStr, sal_Int32 nLen, char c) SAL_THROW_EXTERN_C() { return rtl::str::lastIndexOfChar_WithLength(pStr, nLen, c); } sal_Int32 SAL_CALL rtl_str_indexOfStr(const char* pStr, const char* pSubStr) SAL_THROW_EXTERN_C() { return rtl::str::indexOfStr(pStr, pSubStr); } sal_Int32 SAL_CALL rtl_str_indexOfStr_WithLength(const char* pStr, sal_Int32 nStrLen, const char* pSubStr, sal_Int32 nSubLen) SAL_THROW_EXTERN_C() { return rtl::str::indexOfStr_WithLength(pStr, nStrLen, pSubStr, nSubLen); } sal_Int32 SAL_CALL rtl_str_lastIndexOfStr(const char* pStr, const char* pSubStr) SAL_THROW_EXTERN_C() { return rtl::str::lastIndexOfStr(pStr, pSubStr); } sal_Int32 SAL_CALL rtl_str_lastIndexOfStr_WithLength(const char* pStr, sal_Int32 nStrLen, const char* pSubStr, sal_Int32 nSubLen) SAL_THROW_EXTERN_C() { return rtl::str::lastIndexOfStr_WithLength(pStr, nStrLen, pSubStr, nSubLen); } void SAL_CALL rtl_str_replaceChar(char* pStr, char cOld, char cNew) SAL_THROW_EXTERN_C() { return rtl::str::replaceChar(pStr, cOld, cNew); } void SAL_CALL rtl_str_replaceChar_WithLength(char* pStr, sal_Int32 nLen, char cOld, char cNew) SAL_THROW_EXTERN_C() { return rtl::str::replaceChar_WithLength(pStr, nLen, cOld, cNew); } void SAL_CALL rtl_str_toAsciiLowerCase(char* pStr) SAL_THROW_EXTERN_C() { return rtl::str::toAsciiLowerCase(pStr); } void SAL_CALL rtl_str_toAsciiLowerCase_WithLength(char* pStr, sal_Int32 nLen) SAL_THROW_EXTERN_C() { return rtl::str::toAsciiLowerCase_WithLength(pStr, nLen); } void SAL_CALL rtl_str_toAsciiUpperCase(char* pStr) SAL_THROW_EXTERN_C() { return rtl::str::toAsciiUpperCase(pStr); } void SAL_CALL rtl_str_toAsciiUpperCase_WithLength(char* pStr, sal_Int32 nLen) SAL_THROW_EXTERN_C() { return rtl::str::toAsciiUpperCase_WithLength(pStr, nLen); } sal_Int32 SAL_CALL rtl_str_trim(char* pStr) SAL_THROW_EXTERN_C() { return rtl::str::trim(pStr); } sal_Int32 SAL_CALL rtl_str_trim_WithLength(char* pStr, sal_Int32 nLen) SAL_THROW_EXTERN_C() { return rtl::str::trim_WithLength(pStr, nLen); } sal_Int32 SAL_CALL rtl_str_valueOfBoolean(char* pStr, sal_Bool b) SAL_THROW_EXTERN_C() { return rtl::str::valueOfBoolean(pStr, b); } sal_Int32 SAL_CALL rtl_str_valueOfChar(char* pStr, char c) SAL_THROW_EXTERN_C() { return rtl::str::valueOfChar(pStr, c); } sal_Int32 SAL_CALL rtl_str_valueOfInt32(char* pStr, sal_Int32 n, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::valueOfInt32(pStr, n, nRadix); } sal_Int32 SAL_CALL rtl_str_valueOfInt64(char* pStr, sal_Int64 n, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::valueOfInt64(pStr, n, nRadix); } sal_Int32 SAL_CALL rtl_str_valueOfUInt64(char* pStr, sal_uInt64 n, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::valueOfUInt64(pStr, n, nRadix); } sal_Bool SAL_CALL rtl_str_toBoolean(const char* pStr) SAL_THROW_EXTERN_C() { return rtl::str::toBoolean(pStr); } sal_Int32 SAL_CALL rtl_str_toInt32(const char* pStr, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::toInt32(pStr, nRadix); } sal_Int64 SAL_CALL rtl_str_toInt64(const char* pStr, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::toInt64(pStr, nRadix); } sal_Int64 SAL_CALL rtl_str_toInt64_WithLength(const char* pStr, sal_Int16 nRadix, sal_Int32 nStrLength) SAL_THROW_EXTERN_C() { return rtl::str::toInt64_WithLength(pStr, nRadix, nStrLength); } sal_uInt32 SAL_CALL rtl_str_toUInt32(const char* pStr, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::toUInt32(pStr, nRadix); } sal_uInt64 SAL_CALL rtl_str_toUInt64(const char* pStr, sal_Int16 nRadix) SAL_THROW_EXTERN_C() { return rtl::str::toUInt64(pStr, nRadix); } rtl_String* rtl_string_ImplAlloc(sal_Int32 nLen) { return rtl::str::Alloc(nLen); } void SAL_CALL rtl_string_acquire(rtl_String* pThis) SAL_THROW_EXTERN_C() { return rtl::str::acquire(pThis); } void SAL_CALL rtl_string_release(rtl_String* pThis) SAL_THROW_EXTERN_C() { return rtl::str::release(pThis); } void SAL_CALL rtl_string_new(rtl_String** ppThis) SAL_THROW_EXTERN_C() { return rtl::str::new_(ppThis); } rtl_String* SAL_CALL rtl_string_alloc(sal_Int32 nLen) SAL_THROW_EXTERN_C() { return rtl::str::alloc(nLen); } void SAL_CALL rtl_string_new_WithLength(rtl_String** ppThis, sal_Int32 nLen) SAL_THROW_EXTERN_C() { rtl::str::new_WithLength(ppThis, nLen); } void SAL_CALL rtl_string_newFromString(rtl_String** ppThis, const rtl_String* pStr) SAL_THROW_EXTERN_C() { rtl::str::newFromString(ppThis, pStr); } void SAL_CALL rtl_string_newFromStr(rtl_String** ppThis, const char* pCharStr) SAL_THROW_EXTERN_C() { rtl::str::newFromStr(ppThis, pCharStr); } void SAL_CALL rtl_string_newFromStr_WithLength(rtl_String** ppThis, const char* pCharStr, sal_Int32 nLen) SAL_THROW_EXTERN_C() { rtl::str::newFromStr_WithLength(ppThis, pCharStr, nLen); } void SAL_CALL rtl_string_newFromSubString(rtl_String** ppThis, const rtl_String* pFrom, sal_Int32 beginIndex, sal_Int32 count) SAL_THROW_EXTERN_C() { rtl::str::newFromSubString(ppThis, pFrom, beginIndex, count); } // Used when creating from string literals. void SAL_CALL rtl_string_newFromLiteral(rtl_String** ppThis, const char* pCharStr, sal_Int32 nLen, sal_Int32 allocExtra) SAL_THROW_EXTERN_C() { rtl::str::newFromLiteral(ppThis, pCharStr, nLen, allocExtra); } void SAL_CALL rtl_string_assign(rtl_String** ppThis, rtl_String* pStr) SAL_THROW_EXTERN_C() { rtl::str::assign(ppThis, pStr); } sal_Int32 SAL_CALL rtl_string_getLength(const rtl_String* pThis) SAL_THROW_EXTERN_C() { return rtl::str::getLength(pThis); } char* SAL_CALL rtl_string_getStr(rtl_String* pThis) SAL_THROW_EXTERN_C() { return rtl::str::getStr(pThis); } void SAL_CALL rtl_string_newConcat(rtl_String** ppThis, rtl_String* pLeft, rtl_String* pRight) SAL_THROW_EXTERN_C() { rtl::str::newConcat(ppThis, pLeft, pRight); } void SAL_CALL rtl_string_ensureCapacity(rtl_String** ppThis, sal_Int32 size) SAL_THROW_EXTERN_C() { rtl::str::ensureCapacity(ppThis, size); } void SAL_CALL rtl_string_newReplaceStrAt(rtl_String** ppThis, rtl_String* pStr, sal_Int32 nIndex, sal_Int32 nCount, rtl_String* pNewSubStr) SAL_THROW_EXTERN_C() { rtl::str::newReplaceStrAt(ppThis, pStr, nIndex, nCount, pNewSubStr); } void SAL_CALL rtl_string_newReplace(rtl_String** ppThis, rtl_String* pStr, char cOld, char cNew) SAL_THROW_EXTERN_C() { rtl::str::newReplace(ppThis, pStr, cOld, cNew); } void SAL_CALL rtl_string_newToAsciiLowerCase(rtl_String** ppThis, rtl_String* pStr) SAL_THROW_EXTERN_C() { rtl::str::newToAsciiLowerCase(ppThis, pStr); } void SAL_CALL rtl_string_newToAsciiUpperCase(rtl_String** ppThis, rtl_String* pStr) SAL_THROW_EXTERN_C() { rtl::str::newToAsciiUpperCase(ppThis, pStr); } void SAL_CALL rtl_string_newTrim(rtl_String** ppThis, rtl_String* pStr) SAL_THROW_EXTERN_C() { rtl::str::newTrim(ppThis, pStr); } sal_Int32 SAL_CALL rtl_string_getToken(rtl_String** ppThis, rtl_String* pStr, sal_Int32 nToken, char cTok, sal_Int32 nIndex) SAL_THROW_EXTERN_C() { return rtl::str::getToken(ppThis, pStr, nToken, cTok, nIndex); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */