15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2010 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef StringConcatenate_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define StringConcatenate_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include <string.h> 3053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef WTFString_h 32591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/text/AtomicString.h" 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// This macro is helpful for testing how many intermediate Strings are created while evaluating an 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// expression containing operator+. 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING() ((void)0) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WTF { 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<typename StringType> 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StringTypeAdapter { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StringTypeAdapter<char> { 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<char>(char buffer) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(buffer) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return 1; } 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(LChar* destination) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *destination = m_buffer; 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(UChar* destination) { *destination = m_buffer; } 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned char m_buffer; 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StringTypeAdapter<LChar> { 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<LChar>(LChar buffer) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(buffer) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return 1; } 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(LChar* destination) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *destination = m_buffer; 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(UChar* destination) { *destination = m_buffer; } 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LChar m_buffer; 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StringTypeAdapter<UChar> { 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<UChar>(UChar buffer) 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(buffer) 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return 1; } 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return m_buffer <= 0xff; } 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(LChar* destination) 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(is8Bit()); 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *destination = static_cast<LChar>(m_buffer); 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(UChar* destination) { *destination = m_buffer; } 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar m_buffer; 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 1187242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<char*> { 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<char*>(char* buffer) 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(buffer) 1225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_length(strlen(buffer)) 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_length; } 1275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 1295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1307242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1327242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const char* m_buffer; 1365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned m_length; 1375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 1407242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<LChar*> { 1415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 1427242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci StringTypeAdapter<LChar*>(LChar* buffer); 1435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_length; } 1455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 1475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1487242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 1495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1507242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 1515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const LChar* m_buffer; 1545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned m_length; 1555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 1587242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<const UChar*> { 1595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 1607242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci StringTypeAdapter(const UChar* buffer); 1615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_length; } 1635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return false; } 1655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) NO_RETURN_DUE_TO_CRASH void writeTo(LChar*) 1675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 16853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) RELEASE_ASSERT(false); 1695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1717242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 1725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const UChar* m_buffer; 1755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned m_length; 1765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 1797242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<const char*> { 1805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 1817242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci StringTypeAdapter<const char*>(const char* buffer); 1825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_length; } 1845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 1865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1877242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 1885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1897242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 1905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const char* m_buffer; 1935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned m_length; 1945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 1977242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<const LChar*> { 1985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 1997242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci StringTypeAdapter<const LChar*>(const LChar* buffer); 2005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_length; } 2025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 2045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2057242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 2065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2077242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 208926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 209926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)private: 210926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) const LChar* m_buffer; 211926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) unsigned m_length; 212926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)}; 213926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 214926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)template<> 2157242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<Vector<char> > { 2165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 2175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<Vector<char> >(const Vector<char>& buffer) 2185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(buffer) 2195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 2205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 2215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) size_t length() { return m_buffer.size(); } 2235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 2255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2267242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 2275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2287242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 2295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 2315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const Vector<char>& m_buffer; 2325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 2335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 2355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StringTypeAdapter<Vector<LChar> > { 2365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 2375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<Vector<LChar> >(const Vector<LChar>& buffer) 2385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(buffer) 2395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 2405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 2415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) size_t length() { return m_buffer.size(); } 2435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return true; } 2455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2467242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 2475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2487242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 2495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 2515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const Vector<LChar>& m_buffer; 2525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 2535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 2557242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass WTF_EXPORT StringTypeAdapter<String> { 2565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 2575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<String>(const String& string) 2585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_buffer(string) 2595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 2605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 2615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_buffer.length(); } 2635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return m_buffer.isNull() || m_buffer.is8Bit(); } 2655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2667242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(LChar* destination); 2675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2687242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci void writeTo(UChar* destination); 2695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 2715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const String& m_buffer; 2725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 2735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<> 2755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class StringTypeAdapter<AtomicString> { 2765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 2775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<AtomicString>(const AtomicString& string) 2785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_adapter(string.string()) 2795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 2805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 2815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length() { return m_adapter.length(); } 2835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool is8Bit() { return m_adapter.is8Bit(); } 2855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(LChar* destination) { m_adapter.writeTo(destination); } 2875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void writeTo(UChar* destination) { m_adapter.writeTo(destination); } 2885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 2905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<String> m_adapter; 2915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 2925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)inline void sumWithOverflow(unsigned& total, unsigned addend, bool& overflow) 2945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 2955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned oldTotal = total; 2965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) total = oldTotal + addend; 2975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (total < oldTotal) 2985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) overflow = true; 2995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)template<typename StringType1, typename StringType2> 302f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)PassRefPtr<StringImpl> makeString(StringType1 string1, StringType2 string2) 3035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<StringType1> adapter1(string1); 3055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) StringTypeAdapter<StringType2> adapter2(string2); 3065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool overflow = false; 3085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned length = adapter1.length(); 3095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) sumWithOverflow(length, adapter2.length(), overflow); 3105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (overflow) 311d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return nullptr; 3125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (adapter1.is8Bit() && adapter2.is8Bit()) { 3145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LChar* buffer; 315f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) RefPtr<StringImpl> resultImpl = StringImpl::createUninitialized(length, buffer); 3165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!resultImpl) 317d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return nullptr; 3185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LChar* result = buffer; 3205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) adapter1.writeTo(result); 3215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result += adapter1.length(); 3225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) adapter2.writeTo(result); 3235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return resultImpl.release(); 3255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 3265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar* buffer; 328f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles) RefPtr<StringImpl> resultImpl = StringImpl::createUninitialized(length, buffer); 3295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!resultImpl) 330d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return nullptr; 3315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar* result = buffer; 3335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) adapter1.writeTo(result); 3345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result += adapter1.length(); 3355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) adapter2.writeTo(result); 3365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return resultImpl.release(); 3385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WTF 3415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 342591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/text/StringOperators.h" 3435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 344