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-rw-r--r--sal/rtl/ustring.cxx1562
1 files changed, 1562 insertions, 0 deletions
diff --git a/sal/rtl/ustring.cxx b/sal/rtl/ustring.cxx
new file mode 100644
index 000000000..01fea63e1
--- /dev/null
+++ b/sal/rtl/ustring.cxx
@@ -0,0 +1,1562 @@
+/* -*- 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 <sal/config.h>
+
+#include <cassert>
+#include <cstdlib>
+#include <limits>
+#include <stdexcept>
+#include <string>
+
+#include <osl/diagnose.h>
+#include <osl/interlck.h>
+#include <rtl/alloc.h>
+#include <osl/mutex.h>
+#include <rtl/tencinfo.h>
+
+#include <string.h>
+#include <sal/alloca.h>
+#include <sal/log.hxx>
+
+#include "hash.hxx"
+#include "strimp.hxx"
+#include <rtl/character.hxx>
+#include <rtl/ustring.h>
+
+#include <rtl/math.h>
+
+/* ======================================================================= */
+
+/* static data to be referenced by all empty strings
+ * the refCount is predefined to 1 and must never become 0 !
+ */
+static rtl_uString const aImplEmpty_rtl_uString =
+{
+ sal_Int32(SAL_STRING_INTERN_FLAG|SAL_STRING_STATIC_FLAG|1), /*sal_Int32 refCount; */
+ 0, /*sal_Int32 length; */
+ { 0 } /*sal_Unicode buffer[1];*/
+};
+
+/* ======================================================================= */
+/* These macros are for the "poor-man templates" included from
+ * the strtmpl.cxx just below, used to share code between here and
+ * string.cxx
+ */
+
+#define IMPL_RTL_IS_USTRING 1
+
+#define IMPL_RTL_STRCODE sal_Unicode
+#define IMPL_RTL_USTRCODE( c ) (c)
+#define IMPL_RTL_STRNAME( n ) rtl_ustr_ ## n
+
+#define IMPL_RTL_STRINGNAME( n ) rtl_uString_ ## n
+#define IMPL_RTL_STRINGDATA rtl_uString
+#define IMPL_RTL_EMPTYSTRING aImplEmpty_rtl_uString
+
+static void internRelease (rtl_uString *pThis);
+
+#if USE_SDT_PROBES
+#define RTL_LOG_STRING_BITS 16
+#endif
+
+/* ======================================================================= */
+
+/* Include String/UString template code */
+
+#include "strtmpl.cxx"
+
+#undef IMPL_RTL_EMPTYSTRING
+#undef IMPL_RTL_IS_USTRING
+#undef IMPL_RTL_STRCODE
+#undef IMPL_RTL_STRINGDATA
+#undef IMPL_RTL_STRINGNAME
+#undef IMPL_RTL_STRNAME
+#undef IMPL_RTL_USTRCODE
+#undef RTL_LOG_STRING_BITS
+
+sal_Int32 rtl_ustr_indexOfAscii_WithLength(
+ sal_Unicode const * str, sal_Int32 len,
+ char const * subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C()
+{
+ assert(len >= 0);
+ assert(subLen >= 0);
+ if (subLen > 0 && subLen <= len)
+ {
+ sal_Unicode const* end = str + len;
+ sal_Unicode const* cursor = str;
+
+ while(cursor < end)
+ {
+ cursor = std::char_traits<sal_Unicode>::find(cursor, end - cursor, *subStr);
+ if(!cursor || (end - cursor < subLen))
+ {
+ /* no enough left to actually have a match */
+ break;
+ }
+ /* now it is worth trying a full match */
+ if (rtl_ustr_asciil_reverseEquals_WithLength(cursor, subStr, subLen))
+ {
+ return cursor - str;
+ }
+ cursor += 1;
+ }
+ }
+ return -1;
+}
+
+sal_Int32 rtl_ustr_lastIndexOfAscii_WithLength(
+ sal_Unicode const * str, sal_Int32 len,
+ char const * subStr, sal_Int32 subLen) SAL_THROW_EXTERN_C()
+{
+ assert(len >= 0);
+ assert(subLen >= 0);
+ if (subLen > 0 && subLen <= len) {
+ sal_Int32 i;
+ for (i = len - subLen; i >= 0; --i) {
+ if (rtl_ustr_asciil_reverseEquals_WithLength(
+ str + i, subStr, subLen))
+ {
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+sal_Int32 SAL_CALL rtl_ustr_valueOfFloat(sal_Unicode * pStr, float f)
+ SAL_THROW_EXTERN_C()
+{
+ assert(pStr);
+ rtl_uString * pResult = nullptr;
+ sal_Int32 nLen;
+ rtl_math_doubleToUString(
+ &pResult, nullptr, 0, f, rtl_math_StringFormat_G,
+ RTL_USTR_MAX_VALUEOFFLOAT - RTL_CONSTASCII_LENGTH("-x.E-xxx"), '.', nullptr,
+ 0, true);
+ nLen = pResult->length;
+ OSL_ASSERT(nLen < RTL_USTR_MAX_VALUEOFFLOAT);
+ memcpy(pStr, pResult->buffer, (nLen + 1) * sizeof(sal_Unicode));
+ rtl_uString_release(pResult);
+ return nLen;
+}
+
+sal_Int32 SAL_CALL rtl_ustr_valueOfDouble(sal_Unicode * pStr, double d)
+ SAL_THROW_EXTERN_C()
+{
+ assert(pStr);
+ rtl_uString * pResult = nullptr;
+ sal_Int32 nLen;
+ rtl_math_doubleToUString(
+ &pResult, nullptr, 0, d, rtl_math_StringFormat_G,
+ RTL_USTR_MAX_VALUEOFDOUBLE - RTL_CONSTASCII_LENGTH("-x.E-xxx"), '.', nullptr,
+ 0, true);
+ nLen = pResult->length;
+ OSL_ASSERT(nLen < RTL_USTR_MAX_VALUEOFDOUBLE);
+ memcpy(pStr, pResult->buffer, (nLen + 1) * sizeof(sal_Unicode));
+ rtl_uString_release(pResult);
+ return nLen;
+}
+
+namespace {
+
+// Avoid -fsanitize=undefined warning e.g. "runtime error: value 1e+99 is
+// outside the range of representable values of type 'float'":
+float doubleToFloat(double x) {
+ return
+ x < -std::numeric_limits<float>::max()
+ ? -std::numeric_limits<float>::infinity()
+ : x > std::numeric_limits<float>::max()
+ ? std::numeric_limits<float>::infinity()
+ : static_cast<float>(x);
+}
+
+}
+
+float SAL_CALL rtl_ustr_toFloat(sal_Unicode const * pStr) SAL_THROW_EXTERN_C()
+{
+ assert(pStr);
+ return doubleToFloat(rtl_math_uStringToDouble(pStr,
+ pStr + rtl_ustr_getLength(pStr),
+ '.', 0, nullptr, nullptr));
+}
+
+double SAL_CALL rtl_ustr_toDouble(sal_Unicode const * pStr) SAL_THROW_EXTERN_C()
+{
+ assert(pStr);
+ return rtl_math_uStringToDouble(pStr, pStr + rtl_ustr_getLength(pStr), '.',
+ 0, nullptr, nullptr);
+}
+
+/* ======================================================================= */
+
+sal_Int32 SAL_CALL rtl_ustr_ascii_compare( const sal_Unicode* pStr1,
+ const char* pStr2 )
+ SAL_THROW_EXTERN_C()
+{
+ assert(pStr1);
+ assert(pStr2);
+ sal_Int32 nRet;
+ for (;;)
+ {
+ nRet = static_cast<sal_Int32>(*pStr1)-
+ static_cast<sal_Int32>(static_cast<unsigned char>(*pStr2));
+ if (!(nRet == 0 && *pStr2 ))
+ break;
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_ascii_compare - Found char > 127" );
+ pStr1++;
+ pStr2++;
+ }
+
+ return nRet;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Int32 SAL_CALL rtl_ustr_ascii_compare_WithLength( const sal_Unicode* pStr1,
+ sal_Int32 nStr1Len,
+ const char* pStr2 )
+ SAL_THROW_EXTERN_C()
+{
+ assert(pStr1);
+ assert(nStr1Len >= 0);
+ assert(pStr2);
+ sal_Int32 nRet = 0;
+ for (;;)
+ {
+ nRet = (nStr1Len ? static_cast<sal_Int32>(*pStr1) : 0) -
+ static_cast<sal_Int32>(static_cast<unsigned char>(*pStr2));
+ if (!(nRet == 0 && nStr1Len && *pStr2 ))
+ break;
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_ascii_compare_WithLength - Found char > 127" );
+ pStr1++;
+ pStr2++;
+ nStr1Len--;
+ }
+
+ return nRet;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Int32 SAL_CALL rtl_ustr_ascii_shortenedCompare_WithLength( const sal_Unicode* pStr1,
+ sal_Int32 nStr1Len,
+ const char* pStr2,
+ sal_Int32 nShortenedLength )
+ SAL_THROW_EXTERN_C()
+{
+ assert(nStr1Len >= 0);
+ assert(nShortenedLength >= 0);
+ const sal_Unicode* pStr1End = pStr1 + nStr1Len;
+ sal_Int32 nRet;
+ while ( (nShortenedLength > 0) &&
+ (pStr1 < pStr1End) && *pStr2 )
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_ascii_shortenedCompare_WithLength - Found char > 127" );
+
+ nRet = static_cast<sal_Int32>(*pStr1)-
+ static_cast<sal_Int32>(static_cast<unsigned char>(*pStr2));
+ if ( nRet != 0 )
+ return nRet;
+
+ nShortenedLength--;
+ pStr1++;
+ pStr2++;
+ }
+
+ if ( nShortenedLength <= 0 )
+ return 0;
+
+ if ( *pStr2 )
+ {
+ OSL_ENSURE( pStr1 == pStr1End, "pStr1 == pStr1End failed" );
+ // first is a substring of the second string => less (negative value)
+ nRet = -1;
+ }
+ else
+ {
+ // greater or equal
+ nRet = pStr1End - pStr1;
+ }
+
+ return nRet;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Int32 SAL_CALL rtl_ustr_asciil_reverseCompare_WithLength( const sal_Unicode* pStr1,
+ sal_Int32 nStr1Len,
+ const char* pStr2,
+ sal_Int32 nStr2Len )
+ SAL_THROW_EXTERN_C()
+{
+ assert(nStr1Len >= 0 && nStr2Len >= 0);
+ const sal_Unicode* pStr1Run = pStr1+nStr1Len;
+ const char* pStr2Run = pStr2+nStr2Len;
+ sal_Int32 nRet;
+ while ( (pStr1 < pStr1Run) && (pStr2 < pStr2Run) )
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_asciil_reverseCompare_WithLength - Found char > 127" );
+ pStr1Run--;
+ pStr2Run--;
+ nRet = static_cast<sal_Int32>(*pStr1Run)- static_cast<sal_Int32>(*pStr2Run);
+ if ( nRet )
+ return nRet;
+ }
+
+ return nStr1Len - nStr2Len;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Bool SAL_CALL rtl_ustr_asciil_reverseEquals_WithLength( const sal_Unicode* pStr1,
+ const char* pStr2,
+ sal_Int32 nStrLen )
+ SAL_THROW_EXTERN_C()
+{
+ assert(nStrLen >= 0);
+ const sal_Unicode* pStr1Run = pStr1+nStrLen;
+ const char* pStr2Run = pStr2+nStrLen;
+ while ( pStr1 < pStr1Run )
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_asciil_reverseEquals_WithLength - Found char > 127" );
+ pStr1Run--;
+ pStr2Run--;
+ if( *pStr1Run != static_cast<sal_Unicode>(*pStr2Run) )
+ return false;
+ }
+
+ return true;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase( const sal_Unicode* pStr1,
+ const char* pStr2 )
+ SAL_THROW_EXTERN_C()
+{
+ assert(pStr1);
+ assert(pStr2);
+ sal_Int32 nRet;
+ sal_Int32 c1;
+ sal_Int32 c2;
+ do
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_ascii_compareIgnoreAsciiCase - Found char > 127" );
+ /* If character between 'A' and 'Z', then convert it to lowercase */
+ c1 = static_cast<sal_Int32>(*pStr1);
+ c2 = static_cast<sal_Int32>(static_cast<unsigned char>(*pStr2));
+ if ( (c1 >= 65) && (c1 <= 90) )
+ c1 += 32;
+ if ( (c2 >= 65) && (c2 <= 90) )
+ c2 += 32;
+ nRet = c1-c2;
+ if ( nRet != 0 )
+ return nRet;
+
+ pStr1++;
+ pStr2++;
+ }
+ while ( c2 );
+
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Int32 SAL_CALL rtl_ustr_ascii_compareIgnoreAsciiCase_WithLength( const sal_Unicode* pStr1,
+ sal_Int32 nStr1Len,
+ const char* pStr2 )
+ SAL_THROW_EXTERN_C()
+{
+ assert(nStr1Len >= 0);
+ assert(pStr2);
+ sal_Int32 nRet;
+ sal_Int32 c1;
+ sal_Int32 c2;
+ do
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_ascii_compareIgnoreAsciiCase_WithLength - Found char > 127" );
+ if ( !nStr1Len )
+ return *pStr2 == '\0' ? 0 : -1;
+
+ /* If character between 'A' and 'Z', then convert it to lowercase */
+ c1 = static_cast<sal_Int32>(*pStr1);
+ c2 = static_cast<sal_Int32>(static_cast<unsigned char>(*pStr2));
+ if ( (c1 >= 65) && (c1 <= 90) )
+ c1 += 32;
+ if ( (c2 >= 65) && (c2 <= 90) )
+ c2 += 32;
+ nRet = c1-c2;
+ if ( nRet != 0 )
+ return nRet;
+
+ pStr1++;
+ pStr2++;
+ nStr1Len--;
+ }
+ while( c2 );
+
+ return 0;
+}
+
+sal_Int32 rtl_ustr_ascii_compareIgnoreAsciiCase_WithLengths(
+ sal_Unicode const * first, sal_Int32 firstLen,
+ char const * second, sal_Int32 secondLen) SAL_THROW_EXTERN_C()
+{
+ assert(firstLen >= 0 && secondLen >= 0);
+ sal_Int32 i;
+ sal_Int32 len = std::min(firstLen, secondLen);
+ for (i = 0; i < len; ++i) {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*second)) > 127, "rtl.string",
+ "rtl_ustr_ascii_compareIgnoreAsciiCase_WithLengths - Found char > 127" );
+ sal_Int32 c1 = *first++;
+ sal_Int32 c2 = static_cast<unsigned char>(*second++);
+ sal_Int32 d;
+ if (c1 >= 65 && c1 <= 90) {
+ c1 += 32;
+ }
+ if (c2 >= 65 && c2 <= 90) {
+ c2 += 32;
+ }
+ d = c1 - c2;
+ if (d != 0) {
+ return d;
+ }
+ }
+ return firstLen - secondLen;
+}
+
+/* ----------------------------------------------------------------------- */
+
+sal_Int32 SAL_CALL rtl_ustr_ascii_shortenedCompareIgnoreAsciiCase_WithLength( const sal_Unicode* pStr1,
+ sal_Int32 nStr1Len,
+ const char* pStr2,
+ sal_Int32 nShortenedLength )
+ SAL_THROW_EXTERN_C()
+{
+ assert(nStr1Len >= 0);
+ assert(nShortenedLength >= 0);
+ const sal_Unicode* pStr1End = pStr1 + nStr1Len;
+ sal_Int32 nRet;
+ sal_Int32 c1;
+ sal_Int32 c2;
+ while ( (nShortenedLength > 0) &&
+ (pStr1 < pStr1End) && *pStr2 )
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(*pStr2)) > 127, "rtl.string",
+ "rtl_ustr_ascii_shortenedCompareIgnoreAsciiCase_WithLength - Found char > 127" );
+
+ /* If character between 'A' and 'Z', then convert it to lowercase */
+ c1 = static_cast<sal_Int32>(*pStr1);
+ c2 = static_cast<sal_Int32>(static_cast<unsigned char>(*pStr2));
+ if ( (c1 >= 65) && (c1 <= 90) )
+ c1 += 32;
+ if ( (c2 >= 65) && (c2 <= 90) )
+ c2 += 32;
+ nRet = c1-c2;
+ if ( nRet != 0 )
+ return nRet;
+
+ nShortenedLength--;
+ pStr1++;
+ pStr2++;
+ }
+
+ if ( nShortenedLength <= 0 )
+ return 0;
+
+ if ( *pStr2 )
+ {
+ OSL_ENSURE( pStr1 == pStr1End, "pStr1 == pStr1End failed" );
+ // first is a substring of the second string => less (negative value)
+ nRet = -1;
+ }
+ else
+ {
+ // greater or equal
+ nRet = pStr1End - pStr1;
+ }
+
+ return nRet;
+}
+
+/* ----------------------------------------------------------------------- */
+
+void SAL_CALL rtl_uString_newFromAscii( rtl_uString** ppThis,
+ const char* pCharStr )
+ SAL_THROW_EXTERN_C()
+{
+ assert(ppThis);
+ sal_Int32 nLen;
+
+ if ( pCharStr )
+ {
+ const char* pTempStr = pCharStr;
+ while( *pTempStr )
+ pTempStr++;
+ nLen = pTempStr-pCharStr;
+ }
+ else
+ nLen = 0;
+
+ if ( !nLen )
+ {
+ rtl_uString_new( ppThis );
+ return;
+ }
+
+ if ( *ppThis )
+ rtl_uString_release( *ppThis );
+
+ *ppThis = rtl_uString_ImplAlloc( nLen );
+ OSL_ASSERT(*ppThis != nullptr);
+ if ( *ppThis )
+ {
+ sal_Unicode* pBuffer = (*ppThis)->buffer;
+ do
+ {
+ assert(static_cast<unsigned char>(*pCharStr) < 0x80); // ASCII range
+ *pBuffer = *pCharStr;
+ pBuffer++;
+ pCharStr++;
+ }
+ while ( *pCharStr );
+
+ RTL_LOG_STRING_NEW( *ppThis );
+ }
+}
+
+void SAL_CALL rtl_uString_newFromCodePoints(
+ rtl_uString ** newString, sal_uInt32 const * codePoints,
+ sal_Int32 codePointCount) SAL_THROW_EXTERN_C()
+{
+ sal_Int32 n;
+ sal_Int32 i;
+ sal_Unicode * p;
+ assert(newString != nullptr);
+ assert((codePoints != nullptr || codePointCount == 0) && codePointCount >= 0);
+ if (codePointCount == 0) {
+ rtl_uString_new(newString);
+ return;
+ }
+ if (*newString != nullptr) {
+ rtl_uString_release(*newString);
+ }
+ n = codePointCount;
+ for (i = 0; i < codePointCount; ++i) {
+ OSL_ASSERT(rtl::isUnicodeCodePoint(codePoints[i]));
+ if (codePoints[i] >= 0x10000) {
+ ++n;
+ }
+ }
+ /* Builds on the assumption that sal_Int32 uses 32 bit two's complement
+ representation with wrap around (the necessary number of UTF-16 code
+ units will be no larger than 2 * SAL_MAX_INT32, represented as
+ sal_Int32 -2): */
+ if (n < 0) {
+ // coverity[dead_error_begin] - assumes wrap around
+ *newString = nullptr;
+ return;
+ }
+ *newString = rtl_uString_ImplAlloc(n);
+ if (*newString == nullptr) {
+ return;
+ }
+ p = (*newString)->buffer;
+ for (i = 0; i < codePointCount; ++i) {
+ p += rtl::splitSurrogates(codePoints[i], p);
+ }
+ RTL_LOG_STRING_NEW( *newString );
+}
+
+void rtl_uString_newConcatAsciiL(
+ rtl_uString ** newString, rtl_uString * left, char const * right,
+ sal_Int32 rightLength)
+{
+ assert(newString != nullptr);
+ assert(left != nullptr);
+ assert(right != nullptr);
+ assert(rightLength >= 0);
+ if (left->length > std::numeric_limits<sal_Int32>::max() - rightLength) {
+#if !defined(__COVERITY__)
+ throw std::length_error("rtl_uString_newConcatAsciiL");
+#else
+ //coverity doesn't report std::bad_alloc as an unhandled exception when
+ //potentially thrown from destructors but does report std::length_error
+ throw std::bad_alloc();
+#endif
+ }
+ sal_Int32 n = left->length + rightLength;
+ rtl_uString_assign(newString, left);
+ rtl_uString_ensureCapacity(newString, n);
+ sal_Unicode * p = (*newString)->buffer + (*newString)->length;
+ for (sal_Int32 i = 0; i != rightLength; ++i) {
+ p[i] = static_cast<unsigned char>(right[i]);
+ }
+ (*newString)->buffer[n] = 0;
+ (*newString)->length = n;
+}
+
+void rtl_uString_newConcatUtf16L(
+ rtl_uString ** newString, rtl_uString * left, sal_Unicode const * right,
+ sal_Int32 rightLength)
+{
+ assert(newString != nullptr);
+ assert(left != nullptr);
+ assert(right != nullptr);
+ assert(rightLength >= 0);
+ if (left->length > std::numeric_limits<sal_Int32>::max() - rightLength) {
+#if !defined(__COVERITY__)
+ throw std::length_error("rtl_uString_newConcatUtf16L");
+#else
+ //coverity doesn't report std::bad_alloc as an unhandled exception when
+ //potentially thrown from destructors but does report std::length_error
+ throw std::bad_alloc();
+#endif
+ }
+ sal_Int32 n = left->length + rightLength;
+ rtl_uString_assign(newString, left);
+ rtl_uString_ensureCapacity(newString, n);
+ memcpy(
+ (*newString)->buffer + (*newString)->length, right,
+ rightLength * sizeof (sal_Unicode));
+ (*newString)->buffer[n] = 0;
+ (*newString)->length = n;
+}
+
+/* ======================================================================= */
+
+static int rtl_ImplGetFastUTF8UnicodeLen( const char* pStr, sal_Int32 nLen, bool * ascii )
+{
+ int n;
+ const char* pEndStr;
+
+ *ascii = true;
+ n = 0;
+ pEndStr = pStr+nLen;
+ while ( pStr < pEndStr )
+ {
+ unsigned char c = static_cast<unsigned char>(*pStr);
+
+ if ( !(c & 0x80) )
+ pStr++;
+ else
+ {
+ if ( (c & 0xE0) == 0xC0 )
+ pStr += 2;
+ else if ( (c & 0xF0) == 0xE0 )
+ pStr += 3;
+ else if ( (c & 0xF8) == 0xF0 )
+ pStr += 4;
+ else if ( (c & 0xFC) == 0xF8 )
+ pStr += 5;
+ else if ( (c & 0xFE) == 0xFC )
+ pStr += 6;
+ else
+ pStr++;
+ *ascii = false;
+ }
+
+ n++;
+ }
+
+ return n;
+}
+
+/* ----------------------------------------------------------------------- */
+
+static void rtl_string2UString_status( rtl_uString** ppThis,
+ const char* pStr,
+ sal_Int32 nLen,
+ rtl_TextEncoding eTextEncoding,
+ sal_uInt32 nCvtFlags,
+ sal_uInt32 *pInfo )
+{
+ OSL_ENSURE(nLen == 0 || rtl_isOctetTextEncoding(eTextEncoding),
+ "rtl_string2UString_status() - Wrong TextEncoding" );
+
+ if ( !nLen )
+ {
+ rtl_uString_new( ppThis );
+ if (pInfo != nullptr) {
+ *pInfo = 0;
+ }
+ }
+ else
+ {
+ if ( *ppThis )
+ rtl_uString_release( *ppThis );
+
+ /* Optimization for US-ASCII */
+ if ( eTextEncoding == RTL_TEXTENCODING_ASCII_US )
+ {
+ sal_Unicode* pBuffer;
+ *ppThis = rtl_uString_ImplAlloc( nLen );
+ if (*ppThis == nullptr) {
+ if (pInfo != nullptr) {
+ *pInfo = RTL_TEXTTOUNICODE_INFO_ERROR |
+ RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+ }
+ return;
+ }
+ pBuffer = (*ppThis)->buffer;
+ sal_Int32 nLenCopy(nLen);
+ const char *pStrCopy(pStr);
+ do
+ {
+ /* Check ASCII range */
+ if (static_cast<unsigned char>(*pStrCopy) > 127)
+ {
+ rtl_uString_release(*ppThis);
+ goto retry; // cancel loop - try again with the converter
+ }
+
+ *pBuffer = *pStrCopy;
+ pBuffer++;
+ pStrCopy++;
+ nLenCopy--;
+ }
+ while (nLenCopy);
+ if (pInfo != nullptr) {
+ *pInfo = 0;
+ }
+ RTL_LOG_STRING_NEW( *ppThis );
+ return;
+ }
+retry:
+ {
+ rtl_uString* pTemp;
+ rtl_uString* pTemp2 = nullptr;
+ rtl_TextToUnicodeConverter hConverter;
+ sal_uInt32 nInfo;
+ sal_Size nSrcBytes;
+ sal_Size nDestChars;
+ sal_Size nNewLen;
+
+ /* Optimization for UTF-8 - we try to calculate the exact length */
+ /* For all other encoding we try the maximum - and reallocate
+ the buffer if needed */
+ if ( eTextEncoding == RTL_TEXTENCODING_UTF8 )
+ {
+ bool ascii;
+ nNewLen = rtl_ImplGetFastUTF8UnicodeLen( pStr, nLen, &ascii );
+ /* Includes the string only ASCII, then we could copy
+ the buffer faster */
+ if ( ascii )
+ {
+ sal_Unicode* pBuffer;
+ *ppThis = rtl_uString_ImplAlloc( nLen );
+ if (*ppThis == nullptr)
+ {
+ if (pInfo != nullptr) {
+ *pInfo = RTL_TEXTTOUNICODE_INFO_ERROR |
+ RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+ }
+ return;
+ }
+ pBuffer = (*ppThis)->buffer;
+ do
+ {
+ assert((static_cast<unsigned char>(*pStr)) <= 127);
+ *pBuffer = *pStr;
+ pBuffer++;
+ pStr++;
+ nLen--;
+ }
+ while ( nLen );
+ if (pInfo != nullptr) {
+ *pInfo = 0;
+ }
+ RTL_LOG_STRING_NEW( *ppThis );
+ return;
+ }
+ }
+ else
+ nNewLen = nLen;
+
+ nCvtFlags |= RTL_TEXTTOUNICODE_FLAGS_FLUSH;
+ hConverter = rtl_createTextToUnicodeConverter( eTextEncoding );
+
+ pTemp = rtl_uString_ImplAlloc( nNewLen );
+ if (pTemp == nullptr) {
+ if (pInfo != nullptr) {
+ *pInfo = RTL_TEXTTOUNICODE_INFO_ERROR |
+ RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+ }
+ return;
+ }
+ nDestChars = rtl_convertTextToUnicode( hConverter, nullptr,
+ pStr, nLen,
+ pTemp->buffer, nNewLen,
+ nCvtFlags,
+ &nInfo, &nSrcBytes );
+
+ /* Buffer not big enough, try again with enough space */
+ /* Shouldn't be the case, but if we get textencoding which
+ could results in more unicode characters we have this
+ code here. Could be the case for apple encodings */
+ while ( nInfo & RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL )
+ {
+ rtl_freeString( pTemp );
+ nNewLen += 8;
+ pTemp = rtl_uString_ImplAlloc( nNewLen );
+ if (pTemp == nullptr) {
+ if (pInfo != nullptr) {
+ *pInfo = RTL_TEXTTOUNICODE_INFO_ERROR |
+ RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL;
+ }
+ return;
+ }
+ nDestChars = rtl_convertTextToUnicode( hConverter, nullptr,
+ pStr, nLen,
+ pTemp->buffer, nNewLen,
+ nCvtFlags,
+ &nInfo, &nSrcBytes );
+ }
+
+ if (pInfo)
+ *pInfo = nInfo;
+
+ /* Set the buffer to the correct size or if there is too
+ much overhead, reallocate to the correct size */
+ if ( nNewLen > nDestChars+8 )
+ {
+ pTemp2 = rtl_uString_ImplAlloc( nDestChars );
+ }
+ if (pTemp2 != nullptr)
+ {
+ rtl_str_ImplCopy(pTemp2->buffer, pTemp->buffer, nDestChars);
+ rtl_freeString(pTemp);
+ pTemp = pTemp2;
+ }
+ else
+ {
+ pTemp->length = nDestChars;
+ pTemp->buffer[nDestChars] = 0;
+ }
+
+ rtl_destroyTextToUnicodeConverter( hConverter );
+ *ppThis = pTemp;
+
+ /* Results the conversion in an empty buffer -
+ create an empty string */
+ if ( pTemp && !nDestChars )
+ rtl_uString_new( ppThis );
+ }
+ }
+ RTL_LOG_STRING_NEW( *ppThis );
+}
+
+void SAL_CALL rtl_string2UString( rtl_uString** ppThis,
+ const char* pStr,
+ sal_Int32 nLen,
+ rtl_TextEncoding eTextEncoding,
+ sal_uInt32 nCvtFlags ) SAL_THROW_EXTERN_C()
+{
+ assert(ppThis);
+ assert(nLen >= 0);
+ rtl_string2UString_status( ppThis, pStr, nLen, eTextEncoding,
+ nCvtFlags, nullptr );
+}
+
+/* ----------------------------------------------------------------------- */
+
+namespace {
+
+enum StrLifecycle {
+ CANNOT_RETURN,
+ CAN_RETURN = 1
+};
+
+}
+
+static oslMutex
+getInternMutex()
+{
+ static oslMutex pPoolGuard = osl_createMutex();
+
+ return pPoolGuard;
+}
+
+/* returns true if we found a dup in the pool */
+static void rtl_ustring_intern_internal( rtl_uString ** newStr,
+ rtl_uString * str,
+ StrLifecycle can_return )
+{
+ oslMutex pPoolMutex;
+
+ pPoolMutex = getInternMutex();
+
+ osl_acquireMutex( pPoolMutex );
+
+ *newStr = rtl_str_hash_intern (str, can_return);
+
+ osl_releaseMutex( pPoolMutex );
+
+ RTL_LOG_STRING_INTERN_NEW(*newStr, str);
+
+ if( can_return && *newStr != str )
+ { /* we dupped, then found a match */
+ rtl_freeString( str );
+ }
+}
+
+void SAL_CALL rtl_uString_intern( rtl_uString ** newStr,
+ rtl_uString * str) SAL_THROW_EXTERN_C()
+{
+ assert(newStr);
+ assert(str);
+ if (SAL_STRING_IS_INTERN(str))
+ {
+ IMPL_RTL_ACQUIRE( str );
+ *newStr = str;
+ }
+ else
+ {
+ rtl_uString *pOrg = *newStr;
+ *newStr = nullptr;
+ rtl_ustring_intern_internal( newStr, str, CANNOT_RETURN );
+ if (pOrg)
+ rtl_uString_release (pOrg);
+ }
+}
+
+static int rtl_canGuessUOutputLength( int len, rtl_TextEncoding eTextEncoding )
+{
+ // FIXME: Maybe we should use a bit flag in the higher bits of the
+ // eTextEncoding value itself to determine the encoding type. But if we
+ // do, be sure to mask the value in certain places that expect the values
+ // to be numbered serially from 0 and up. One such place is
+ // Impl_getTextEncodingData().
+
+ switch ( eTextEncoding )
+ {
+ // 1 to 1 (with no zero elements)
+ case RTL_TEXTENCODING_IBM_437:
+ case RTL_TEXTENCODING_IBM_850:
+ case RTL_TEXTENCODING_IBM_860:
+ case RTL_TEXTENCODING_IBM_861:
+ case RTL_TEXTENCODING_IBM_863:
+ case RTL_TEXTENCODING_IBM_865:
+ return len;
+ break;
+ }
+ return 0;
+}
+
+void SAL_CALL rtl_uString_internConvert( rtl_uString ** newStr,
+ const char * str,
+ sal_Int32 len,
+ rtl_TextEncoding eTextEncoding,
+ sal_uInt32 convertFlags,
+ sal_uInt32 * pInfo )
+ SAL_THROW_EXTERN_C()
+{
+ assert(newStr);
+ assert(len >= 0);
+ rtl_uString *scratch;
+
+ if (*newStr)
+ {
+ rtl_uString_release (*newStr);
+ *newStr = nullptr;
+ }
+
+ if ( len < 256 )
+ { // try various optimisations
+ sal_Int32 ulen;
+ if ( eTextEncoding == RTL_TEXTENCODING_ASCII_US )
+ {
+ int i;
+ rtl_uString *pScratch;
+ pScratch = static_cast< rtl_uString * >(
+ alloca(sizeof (rtl_uString) + len * sizeof (sal_Unicode)));
+ for (i = 0; i < len; i++)
+ {
+ /* Check ASCII range */
+ SAL_WARN_IF( (static_cast<unsigned char>(str[i])) > 127, "rtl.string",
+ "rtl_ustring_internConvert() - Found char > 127 and RTL_TEXTENCODING_ASCII_US is specified" );
+ pScratch->buffer[i] = str[i];
+ }
+ pScratch->length = len;
+ rtl_ustring_intern_internal( newStr, pScratch, CANNOT_RETURN );
+ return;
+ }
+ if ( (ulen = rtl_canGuessUOutputLength(len, eTextEncoding)) != 0 )
+ {
+ rtl_uString *pScratch;
+ rtl_TextToUnicodeConverter hConverter;
+ sal_Size nSrcBytes;
+ sal_uInt32 nInfo;
+
+ pScratch = static_cast< rtl_uString * >(
+ alloca(
+ sizeof (rtl_uString) + ulen * sizeof (sal_Unicode)));
+
+ hConverter = rtl_createTextToUnicodeConverter( eTextEncoding );
+ rtl_convertTextToUnicode(
+ hConverter, nullptr, str, len, pScratch->buffer, ulen, convertFlags, &nInfo, &nSrcBytes );
+ rtl_destroyTextToUnicodeConverter( hConverter );
+
+ if (pInfo)
+ *pInfo = nInfo;
+
+ pScratch->length = ulen;
+ rtl_ustring_intern_internal( newStr, pScratch, CANNOT_RETURN );
+ return;
+ }
+
+ /* FIXME: we want a nice UTF-8 / alloca shortcut here */
+ }
+
+ scratch = nullptr;
+ rtl_string2UString_status( &scratch, str, len, eTextEncoding, convertFlags,
+ pInfo );
+ if (!scratch) {
+ return;
+ }
+ rtl_ustring_intern_internal( newStr, scratch, CAN_RETURN );
+}
+
+static void
+internRelease (rtl_uString *pThis)
+{
+ oslMutex pPoolMutex;
+
+ rtl_uString *pFree = nullptr;
+ if ( SAL_STRING_REFCOUNT(
+ osl_atomic_decrement( &(pThis->refCount) ) ) == 0)
+ {
+ RTL_LOG_STRING_INTERN_DELETE(pThis);
+ pPoolMutex = getInternMutex();
+ osl_acquireMutex( pPoolMutex );
+
+ rtl_str_hash_remove (pThis);
+
+ /* May have been separately acquired */
+ if ( SAL_STRING_REFCOUNT(
+ osl_atomic_increment( &(pThis->refCount) ) ) == 1 )
+ {
+ /* we got the last ref */
+ pFree = pThis;
+ }
+ else /* very unusual */
+ {
+ internRelease (pThis);
+ }
+
+ osl_releaseMutex( pPoolMutex );
+ }
+ if (pFree)
+ rtl_freeString (pFree);
+}
+
+sal_uInt32 SAL_CALL rtl_uString_iterateCodePoints(
+ rtl_uString const * string, sal_Int32 * indexUtf16,
+ sal_Int32 incrementCodePoints)
+{
+ sal_Int32 n;
+ sal_Unicode cu;
+ sal_uInt32 cp;
+ assert(string != nullptr && indexUtf16 != nullptr);
+ n = *indexUtf16;
+ assert(n >= 0 && n <= string->length);
+ while (incrementCodePoints < 0) {
+ assert(n > 0);
+ cu = string->buffer[--n];
+ if (rtl::isLowSurrogate(cu) && n != 0 &&
+ rtl::isHighSurrogate(string->buffer[n - 1]))
+ {
+ --n;
+ }
+ ++incrementCodePoints;
+ }
+ assert(n >= 0 && n < string->length);
+ cu = string->buffer[n];
+ if (rtl::isHighSurrogate(cu) && string->length - n >= 2 &&
+ rtl::isLowSurrogate(string->buffer[n + 1]))
+ {
+ cp = rtl::combineSurrogates(cu, string->buffer[n + 1]);
+ } else {
+ cp = cu;
+ }
+ while (incrementCodePoints > 0) {
+ assert(n < string->length);
+ cu = string->buffer[n++];
+ if (rtl::isHighSurrogate(cu) && n != string->length &&
+ rtl::isLowSurrogate(string->buffer[n]))
+ {
+ ++n;
+ }
+ --incrementCodePoints;
+ }
+ assert(n >= 0 && n <= string->length);
+ *indexUtf16 = n;
+ return cp;
+}
+
+sal_Bool rtl_convertStringToUString(
+ rtl_uString ** target, char const * source, sal_Int32 length,
+ rtl_TextEncoding encoding, sal_uInt32 flags) SAL_THROW_EXTERN_C()
+{
+ assert(target);
+ assert(length >= 0);
+ sal_uInt32 info;
+ rtl_string2UString_status(target, source, length, encoding, flags, &info);
+ return (info & RTL_TEXTTOUNICODE_INFO_ERROR) == 0;
+}
+
+void rtl_uString_newReplaceFirst(
+ rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from,
+ rtl_uString const * to, sal_Int32 * index) SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(from != nullptr);
+ assert(to != nullptr);
+ sal_Int32 i = rtl_ustr_indexOfStr_WithLength(
+ str->buffer + *index, str->length - *index, from->buffer, from->length);
+ if (i == -1) {
+ rtl_uString_assign(newStr, str);
+ } else {
+ assert(i <= str->length - *index);
+ i += *index;
+ assert(from->length <= str->length);
+ if (str->length - from->length > SAL_MAX_INT32 - to->length) {
+ std::abort();
+ }
+ sal_Int32 n = str->length - from->length + to->length;
+ rtl_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i, to->buffer,
+ to->length * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i + to->length,
+ str->buffer + i + from->length,
+ (str->length - i - from->length) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceFirstAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, char const * from,
+ sal_Int32 fromLength, rtl_uString const * to, sal_Int32 * index)
+ SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(fromLength >= 0);
+ assert(to != nullptr);
+ sal_Int32 i = rtl_ustr_indexOfAscii_WithLength(
+ str->buffer + *index, str->length - *index, from, fromLength);
+ if (i == -1) {
+ rtl_uString_assign(newStr, str);
+ } else {
+ assert(i <= str->length - *index);
+ i += *index;
+ assert(fromLength <= str->length);
+ if (str->length - fromLength > SAL_MAX_INT32 - to->length) {
+ std::abort();
+ }
+ sal_Int32 n = str->length - fromLength + to->length;
+ rtl_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i, to->buffer,
+ to->length * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i + to->length,
+ str->buffer + i + fromLength,
+ (str->length - i - fromLength) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceFirstToAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from,
+ char const * to, sal_Int32 toLength, sal_Int32 * index)
+ SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(from != nullptr);
+ assert(toLength >= 0);
+ sal_Int32 i = rtl_ustr_indexOfStr_WithLength(
+ str->buffer + *index, str->length - *index, from->buffer, from->length);
+ if (i == -1) {
+ rtl_uString_assign(newStr, str);
+ } else {
+ assert(i <= str->length - *index);
+ i += *index;
+ assert(from->length <= str->length);
+ if (str->length - from->length > SAL_MAX_INT32 - toLength) {
+ std::abort();
+ }
+ sal_Int32 n = str->length - from->length + toLength;
+ rtl_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ for (sal_Int32 j = 0; j != toLength; ++j) {
+ assert(static_cast< unsigned char >(to[j]) <= 0x7F);
+ (*newStr)->buffer[i + j] = to[j];
+ }
+ memcpy(
+ (*newStr)->buffer + i + toLength,
+ str->buffer + i + from->length,
+ (str->length - i - from->length) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceFirstAsciiLAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, char const * from,
+ sal_Int32 fromLength, char const * to, sal_Int32 toLength,
+ sal_Int32 * index) SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(fromLength >= 0);
+ assert(to != nullptr);
+ assert(toLength >= 0);
+ sal_Int32 i = rtl_ustr_indexOfAscii_WithLength(
+ str->buffer + *index, str->length - *index, from, fromLength);
+ if (i == -1) {
+ rtl_uString_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_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ for (sal_Int32 j = 0; j != toLength; ++j) {
+ assert(static_cast< unsigned char >(to[j]) <= 0x7F);
+ (*newStr)->buffer[i + j] = to[j];
+ }
+ memcpy(
+ (*newStr)->buffer + i + toLength,
+ str->buffer + i + fromLength,
+ (str->length - i - fromLength) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceFirstAsciiLUtf16L(
+ rtl_uString ** newStr, rtl_uString * str, char const * from,
+ sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength,
+ sal_Int32 * index) SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(fromLength >= 0);
+ assert(to != nullptr);
+ assert(toLength >= 0);
+ sal_Int32 i = rtl_ustr_indexOfAscii_WithLength(
+ str->buffer + *index, str->length - *index, from, fromLength);
+ if (i == -1) {
+ rtl_uString_assign(newStr, str);
+ } else {
+ assert(i <= str->length - *index);
+ i += *index;
+ assert(fromLength <= str->length);
+ if (str->length - fromLength > SAL_MAX_INT32 - toLength) {
+ rtl_uString_release(*newStr);
+ *newStr = nullptr;
+ } else {
+ sal_Int32 n = str->length - fromLength + toLength;
+ rtl_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0 && /*TODO:*/ *newStr != nullptr) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i, to, toLength * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i + toLength,
+ str->buffer + i + fromLength,
+ (str->length - i - fromLength) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceFirstUtf16LAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from,
+ sal_Int32 fromLength, char const * to, sal_Int32 toLength,
+ sal_Int32 * index) SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(fromLength >= 0);
+ assert(to != nullptr);
+ assert(toLength >= 0);
+ sal_Int32 i = rtl_ustr_indexOfStr_WithLength(
+ str->buffer + *index, str->length - *index, from, fromLength);
+ if (i == -1) {
+ rtl_uString_assign(newStr, str);
+ } else {
+ assert(i <= str->length - *index);
+ i += *index;
+ assert(fromLength <= str->length);
+ if (str->length - fromLength > SAL_MAX_INT32 - toLength) {
+ rtl_uString_release(*newStr);
+ *newStr = nullptr;
+ } else {
+ sal_Int32 n = str->length - fromLength + toLength;
+ rtl_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0 && /*TODO:*/ *newStr != nullptr) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ for (sal_Int32 j = 0; j != toLength; ++j) {
+ assert(static_cast< unsigned char >(to[j]) <= 0x7F);
+ (*newStr)->buffer[i + j] = to[j];
+ }
+ memcpy(
+ (*newStr)->buffer + i + toLength,
+ str->buffer + i + fromLength,
+ (str->length - i - fromLength) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceFirstUtf16LUtf16L(
+ rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from,
+ sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength,
+ sal_Int32 * index) SAL_THROW_EXTERN_C()
+{
+ assert(str != nullptr);
+ assert(index != nullptr);
+ assert(*index >= 0 && *index <= str->length);
+ assert(fromLength >= 0);
+ assert(to != nullptr);
+ assert(toLength >= 0);
+ sal_Int32 i = rtl_ustr_indexOfStr_WithLength(
+ str->buffer + *index, str->length - *index, from, fromLength);
+ if (i == -1) {
+ rtl_uString_assign(newStr, str);
+ } else {
+ assert(i <= str->length - *index);
+ i += *index;
+ assert(fromLength <= str->length);
+ if (str->length - fromLength > SAL_MAX_INT32 - toLength) {
+ rtl_uString_release(*newStr);
+ *newStr = nullptr;
+ } else {
+ sal_Int32 n = str->length - fromLength + toLength;
+ rtl_uString_acquire(str); // in case *newStr == str
+ rtl_uString_new_WithLength(newStr, n);
+ if (n != 0 && /*TODO:*/ *newStr != nullptr) {
+ (*newStr)->length = n;
+ assert(i >= 0 && i < str->length);
+ memcpy(
+ (*newStr)->buffer, str->buffer, i * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i, to, toLength * sizeof (sal_Unicode));
+ memcpy(
+ (*newStr)->buffer + i + toLength,
+ str->buffer + i + fromLength,
+ (str->length - i - fromLength) * sizeof (sal_Unicode));
+ }
+ rtl_uString_release(str);
+ }
+ }
+ *index = i;
+}
+
+void rtl_uString_newReplaceAll(
+ rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from,
+ rtl_uString const * to) SAL_THROW_EXTERN_C()
+{
+ rtl_uString_newReplaceAllFromIndex( newStr, str, from, to, 0 );
+}
+
+void rtl_uString_newReplaceAllFromIndex(
+ rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from,
+ rtl_uString const * to, sal_Int32 fromIndex) SAL_THROW_EXTERN_C()
+{
+ assert(to != nullptr);
+ assert(fromIndex >= 0 && fromIndex <= str->length);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = fromIndex;; i += to->length) {
+ rtl_uString_newReplaceFirst(newStr, *newStr, from, to, &i);
+ if (i == -1) {
+ break;
+ }
+ }
+}
+
+void rtl_uString_newReplaceAllAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, char const * from,
+ sal_Int32 fromLength, rtl_uString const * to) SAL_THROW_EXTERN_C()
+{
+ assert(to != nullptr);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = 0;; i += to->length) {
+ rtl_uString_newReplaceFirstAsciiL(
+ newStr, *newStr, from, fromLength, to, &i);
+ if (i == -1) {
+ break;
+ }
+ }
+}
+
+void rtl_uString_newReplaceAllToAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, rtl_uString const * from,
+ char const * to, sal_Int32 toLength) SAL_THROW_EXTERN_C()
+{
+ assert(from != nullptr);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = 0;; i += toLength) {
+ rtl_uString_newReplaceFirstToAsciiL(
+ newStr, *newStr, from, to, toLength, &i);
+ if (i == -1) {
+ break;
+ }
+ }
+}
+
+void rtl_uString_newReplaceAllAsciiLAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, char const * from,
+ sal_Int32 fromLength, char const * to, sal_Int32 toLength)
+ SAL_THROW_EXTERN_C()
+{
+ assert(toLength >= 0);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = 0;; i += toLength) {
+ rtl_uString_newReplaceFirstAsciiLAsciiL(
+ newStr, *newStr, from, fromLength, to, toLength, &i);
+ if (i == -1) {
+ break;
+ }
+ }
+}
+
+void rtl_uString_newReplaceAllAsciiLUtf16L(
+ rtl_uString ** newStr, rtl_uString * str, char const * from,
+ sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength)
+ SAL_THROW_EXTERN_C()
+{
+ assert(toLength >= 0);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = 0;; i += toLength) {
+ rtl_uString_newReplaceFirstAsciiLUtf16L(
+ newStr, *newStr, from, fromLength, to, toLength, &i);
+ if (i == -1 || *newStr == nullptr) {
+ break;
+ }
+ }
+}
+
+void rtl_uString_newReplaceAllUtf16LAsciiL(
+ rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from,
+ sal_Int32 fromLength, char const * to, sal_Int32 toLength)
+ SAL_THROW_EXTERN_C()
+{
+ assert(toLength >= 0);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = 0;; i += toLength) {
+ rtl_uString_newReplaceFirstUtf16LAsciiL(
+ newStr, *newStr, from, fromLength, to, toLength, &i);
+ if (i == -1 || *newStr == nullptr) {
+ break;
+ }
+ }
+}
+
+void rtl_uString_newReplaceAllUtf16LUtf16L(
+ rtl_uString ** newStr, rtl_uString * str, sal_Unicode const * from,
+ sal_Int32 fromLength, sal_Unicode const * to, sal_Int32 toLength)
+ SAL_THROW_EXTERN_C()
+{
+ assert(toLength >= 0);
+ rtl_uString_assign(newStr, str);
+ for (sal_Int32 i = 0;; i += toLength) {
+ rtl_uString_newReplaceFirstUtf16LUtf16L(
+ newStr, *newStr, from, fromLength, to, toLength, &i);
+ if (i == -1 || *newStr == nullptr) {
+ break;
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 00:50:54 +0000