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Diffstat (limited to 'JavaScriptCore/wtf/text/StringConcatenate.h')
| -rw-r--r-- | JavaScriptCore/wtf/text/StringConcatenate.h | 493 |
1 files changed, 0 insertions, 493 deletions
diff --git a/JavaScriptCore/wtf/text/StringConcatenate.h b/JavaScriptCore/wtf/text/StringConcatenate.h deleted file mode 100644 index 92a2d06..0000000 --- a/JavaScriptCore/wtf/text/StringConcatenate.h +++ /dev/null @@ -1,493 +0,0 @@ -/* - * Copyright (C) 2010 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef StringConcatenate_h -#define StringConcatenate_h - -#include <wtf/text/WTFString.h> - -namespace WTF { - -template<typename StringType> -class StringTypeAdapter { -}; - -template<> -class StringTypeAdapter<char> { -public: - StringTypeAdapter<char>(char buffer) - : m_buffer(buffer) - { - } - - unsigned length() { return 1; } - void writeTo(UChar* destination) { *destination = m_buffer; } - -private: - unsigned char m_buffer; -}; - -template<> -class StringTypeAdapter<UChar> { -public: - StringTypeAdapter<UChar>(UChar buffer) - : m_buffer(buffer) - { - } - - unsigned length() { return 1; } - void writeTo(UChar* destination) { *destination = m_buffer; } - -private: - UChar m_buffer; -}; - -template<> -class StringTypeAdapter<char*> { -public: - StringTypeAdapter<char*>(char* buffer) - : m_buffer(buffer) - , m_length(strlen(buffer)) - { - } - - unsigned length() { return m_length; } - - void writeTo(UChar* destination) - { - for (unsigned i = 0; i < m_length; ++i) { - unsigned char c = m_buffer[i]; - destination[i] = c; - } - } - -private: - const char* m_buffer; - unsigned m_length; -}; - -template<> -class StringTypeAdapter<const char*> { -public: - StringTypeAdapter<const char*>(const char* buffer) - : m_buffer(buffer) - , m_length(strlen(buffer)) - { - } - - unsigned length() { return m_length; } - - void writeTo(UChar* destination) - { - for (unsigned i = 0; i < m_length; ++i) { - unsigned char c = m_buffer[i]; - destination[i] = c; - } - } - -private: - const char* m_buffer; - unsigned m_length; -}; - -template<> -class StringTypeAdapter<Vector<char> > { -public: - StringTypeAdapter<Vector<char> >(const Vector<char>& buffer) - : m_buffer(buffer) - { - } - - size_t length() { return m_buffer.size(); } - - void writeTo(UChar* destination) - { - for (size_t i = 0; i < m_buffer.size(); ++i) { - unsigned char c = m_buffer[i]; - destination[i] = c; - } - } - -private: - const Vector<char>& m_buffer; -}; - -template<> -class StringTypeAdapter<String> { -public: - StringTypeAdapter<String>(const String& string) - : m_buffer(string) - { - } - - unsigned length() { return m_buffer.length(); } - - void writeTo(UChar* destination) - { - const UChar* data = m_buffer.characters(); - unsigned length = m_buffer.length(); - for (unsigned i = 0; i < length; ++i) - destination[i] = data[i]; - } - -private: - const String& m_buffer; -}; - -inline void sumWithOverflow(unsigned& total, unsigned addend, bool& overflow) -{ - unsigned oldTotal = total; - total = oldTotal + addend; - if (total < oldTotal) - overflow = true; -} - -template<typename StringType1, typename StringType2> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - - UChar* buffer; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, StringType3 string3) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - StringTypeAdapter<StringType3> adapter3(string3); - - UChar* buffer = 0; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - sumWithOverflow(length, adapter3.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - result += adapter2.length(); - adapter3.writeTo(result); - - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - StringTypeAdapter<StringType3> adapter3(string3); - StringTypeAdapter<StringType4> adapter4(string4); - - UChar* buffer; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - sumWithOverflow(length, adapter3.length(), overflow); - sumWithOverflow(length, adapter4.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - result += adapter2.length(); - adapter3.writeTo(result); - result += adapter3.length(); - adapter4.writeTo(result); - - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - StringTypeAdapter<StringType3> adapter3(string3); - StringTypeAdapter<StringType4> adapter4(string4); - StringTypeAdapter<StringType5> adapter5(string5); - - UChar* buffer; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - sumWithOverflow(length, adapter3.length(), overflow); - sumWithOverflow(length, adapter4.length(), overflow); - sumWithOverflow(length, adapter5.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - result += adapter2.length(); - adapter3.writeTo(result); - result += adapter3.length(); - adapter4.writeTo(result); - result += adapter4.length(); - adapter5.writeTo(result); - - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - StringTypeAdapter<StringType3> adapter3(string3); - StringTypeAdapter<StringType4> adapter4(string4); - StringTypeAdapter<StringType5> adapter5(string5); - StringTypeAdapter<StringType6> adapter6(string6); - - UChar* buffer; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - sumWithOverflow(length, adapter3.length(), overflow); - sumWithOverflow(length, adapter4.length(), overflow); - sumWithOverflow(length, adapter5.length(), overflow); - sumWithOverflow(length, adapter6.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - result += adapter2.length(); - adapter3.writeTo(result); - result += adapter3.length(); - adapter4.writeTo(result); - result += adapter4.length(); - adapter5.writeTo(result); - result += adapter5.length(); - adapter6.writeTo(result); - - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6, typename StringType7> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6, StringType7 string7) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - StringTypeAdapter<StringType3> adapter3(string3); - StringTypeAdapter<StringType4> adapter4(string4); - StringTypeAdapter<StringType5> adapter5(string5); - StringTypeAdapter<StringType6> adapter6(string6); - StringTypeAdapter<StringType7> adapter7(string7); - - UChar* buffer; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - sumWithOverflow(length, adapter3.length(), overflow); - sumWithOverflow(length, adapter4.length(), overflow); - sumWithOverflow(length, adapter5.length(), overflow); - sumWithOverflow(length, adapter6.length(), overflow); - sumWithOverflow(length, adapter7.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - result += adapter2.length(); - adapter3.writeTo(result); - result += adapter3.length(); - adapter4.writeTo(result); - result += adapter4.length(); - adapter5.writeTo(result); - result += adapter5.length(); - adapter6.writeTo(result); - result += adapter6.length(); - adapter7.writeTo(result); - - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6, typename StringType7, typename StringType8> -PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6, StringType7 string7, StringType8 string8) -{ - StringTypeAdapter<StringType1> adapter1(string1); - StringTypeAdapter<StringType2> adapter2(string2); - StringTypeAdapter<StringType3> adapter3(string3); - StringTypeAdapter<StringType4> adapter4(string4); - StringTypeAdapter<StringType5> adapter5(string5); - StringTypeAdapter<StringType6> adapter6(string6); - StringTypeAdapter<StringType7> adapter7(string7); - StringTypeAdapter<StringType8> adapter8(string8); - - UChar* buffer; - bool overflow = false; - unsigned length = adapter1.length(); - sumWithOverflow(length, adapter2.length(), overflow); - sumWithOverflow(length, adapter3.length(), overflow); - sumWithOverflow(length, adapter4.length(), overflow); - sumWithOverflow(length, adapter5.length(), overflow); - sumWithOverflow(length, adapter6.length(), overflow); - sumWithOverflow(length, adapter7.length(), overflow); - sumWithOverflow(length, adapter8.length(), overflow); - if (overflow) - return 0; - PassRefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, buffer); - if (!resultImpl) - return 0; - - UChar* result = buffer; - adapter1.writeTo(result); - result += adapter1.length(); - adapter2.writeTo(result); - result += adapter2.length(); - adapter3.writeTo(result); - result += adapter3.length(); - adapter4.writeTo(result); - result += adapter4.length(); - adapter5.writeTo(result); - result += adapter5.length(); - adapter6.writeTo(result); - result += adapter6.length(); - adapter7.writeTo(result); - result += adapter7.length(); - adapter8.writeTo(result); - - return resultImpl; -} - -// Convenience only. -template<typename StringType1> -String makeString(StringType1 string1) -{ - return String(string1); -} - -template<typename StringType1, typename StringType2> -String makeString(StringType1 string1, StringType2 string2) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3> -String makeString(StringType1 string1, StringType2 string2, StringType3 string3) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4> -String makeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, string4); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5> -String makeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, string4, string5); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6> -String makeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, string4, string5, string6); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6, typename StringType7> -String makeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6, StringType7 string7) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, string4, string5, string6, string7); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -template<typename StringType1, typename StringType2, typename StringType3, typename StringType4, typename StringType5, typename StringType6, typename StringType7, typename StringType8> -String makeString(StringType1 string1, StringType2 string2, StringType3 string3, StringType4 string4, StringType5 string5, StringType6 string6, StringType7 string7, StringType8 string8) -{ - PassRefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, string4, string5, string6, string7, string8); - if (!resultImpl) - CRASH(); - return resultImpl; -} - -} // namespace WTF - -using WTF::makeString; - -#endif |