diff options
Diffstat (limited to 'JavaScriptCore/wtf/text/StringBuilder.h')
-rw-r--r-- | JavaScriptCore/wtf/text/StringBuilder.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/JavaScriptCore/wtf/text/StringBuilder.h b/JavaScriptCore/wtf/text/StringBuilder.h deleted file mode 100644 index f10af64..0000000 --- a/JavaScriptCore/wtf/text/StringBuilder.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 2009, 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 StringBuilder_h -#define StringBuilder_h - -#include <wtf/Vector.h> -#include <wtf/text/WTFString.h> - -namespace WTF { - -class StringBuilder { -public: - StringBuilder() - : m_length(0) - { - } - - void append(const UChar*, unsigned); - void append(const char*, unsigned); - - void append(const String& string) - { - // If we're appending to an empty string, and there is not buffer - // (in case reserveCapacity has been called) then just retain the - // string. - if (!m_length && !m_buffer) { - m_string = string; - m_length = string.length(); - return; - } - append(string.characters(), string.length()); - } - - void append(const char* characters) - { - if (characters) - append(characters, strlen(characters)); - } - - void append(UChar c) - { - if (m_buffer && m_length < m_buffer->length() && m_string.isNull()) - m_bufferCharacters[m_length++] = c; - else - append(&c, 1); - } - - void append(char c) - { - if (m_buffer && m_length < m_buffer->length() && m_string.isNull()) - m_bufferCharacters[m_length++] = (unsigned char)c; - else - append(&c, 1); - } - - String toString() - { - if (m_string.isNull()) { - shrinkToFit(); - reifyString(); - } - return m_string; - } - - String toStringPreserveCapacity() - { - if (m_string.isNull()) - reifyString(); - return m_string; - } - - unsigned length() const - { - return m_length; - } - - bool isEmpty() const { return !length(); } - - void reserveCapacity(unsigned newCapacity); - - void resize(unsigned newSize); - - void shrinkToFit(); - - UChar operator[](unsigned i) const - { - ASSERT(i < m_length); - if (!m_string.isNull()) - return m_string[i]; - ASSERT(m_buffer); - return m_buffer->characters()[i]; - } - - void clear() - { - m_length = 0; - m_string = String(); - m_buffer = 0; - } - -private: - void allocateBuffer(const UChar* currentCharacters, unsigned requiredLength); - UChar* appendUninitialized(unsigned length); - void reifyString(); - - unsigned m_length; - String m_string; - RefPtr<StringImpl> m_buffer; - UChar* m_bufferCharacters; -}; - -} // namespace WTF - -using WTF::StringBuilder; - -#endif // StringBuilder_h |