author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 11 May 2010 17:13:44 +0300 | |
branch | RCL_3 |
changeset 70 | 8bfb9186a8b8 |
parent 27 | 60c5402cb945 |
permissions | -rw-r--r-- |
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/* |
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* This file is part of the DOM implementation for KDE. |
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* |
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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* Copyright (C) 2005, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#ifndef StringImpl_h |
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#define StringImpl_h |
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#include "Shared.h" |
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#include <wtf/unicode/Unicode.h> |
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#include <kjs/identifier.h> |
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#include <wtf/Forward.h> |
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#include <wtf/Vector.h> |
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#include <limits.h> |
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#if PLATFORM(CF) |
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typedef const struct __CFString * CFStringRef; |
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#endif |
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#ifdef __OBJC__ |
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@class NSString; |
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#endif |
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namespace WebCore { |
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class AtomicString; |
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class DeprecatedString; |
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struct UCharBufferTranslator; |
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struct CStringTranslator; |
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struct Length; |
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class StringImpl : public Shared<StringImpl> { |
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private: |
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struct WithOneRef { }; |
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StringImpl(WithOneRef) : m_length(0), m_data(0), m_hash(0), m_inTable(false) { ref(); } |
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void init(const char*, unsigned len); |
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void init(const UChar*, unsigned len); |
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protected: |
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StringImpl() : m_length(0), m_data(0), m_hash(0), m_inTable(false), m_hasTerminatingNullCharacter(false) { } |
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public: |
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StringImpl(const UChar*, unsigned len); |
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StringImpl(const char*, unsigned len); |
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StringImpl(const char*); |
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StringImpl(const KJS::Identifier&); |
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StringImpl(const KJS::UString&); |
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~StringImpl(); |
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static PassRefPtr<StringImpl> createStrippingNull(const UChar*, unsigned len); |
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static StringImpl* newUninitialized(size_t length, UChar*& characterBuffer); |
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static StringImpl* adopt(Vector<UChar>&); |
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const UChar* characters() const { return m_data; } |
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unsigned length() const { return m_length; } |
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const UChar* charactersWithNullTermination(); |
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unsigned hash() const { if (m_hash == 0) m_hash = computeHash(m_data, m_length); return m_hash; } |
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static unsigned computeHash(const UChar*, unsigned len); |
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static unsigned computeHash(const char*); |
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void append(const UChar*, unsigned length); |
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void append(const StringImpl*); |
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void append(UChar); |
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void append(char); |
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void insert(const UChar*, unsigned length, unsigned pos); |
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void insert(const StringImpl*, unsigned pos); |
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void truncate(int len); |
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void remove(unsigned pos, int len = 1); |
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StringImpl* copy() const { return new StringImpl(m_data, m_length); } |
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StringImpl* substring(unsigned pos, unsigned len = UINT_MAX); |
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UChar operator[](int pos) const { return m_data[pos]; } |
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Length toLength() const; |
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bool containsOnlyWhitespace() const; |
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bool containsOnlyWhitespace(unsigned from, unsigned len) const; |
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int toInt(bool* ok = 0) const; // ignores trailing garbage, unlike DeprecatedString |
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int64_t toInt64(bool* ok = 0) const; // ignores trailing garbage, unlike DeprecatedString |
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uint64_t toUInt64(bool* ok = 0) const; // ignores trailing garbage, unlike DeprecatedString |
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double toDouble(bool* ok = 0) const; |
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float toFloat(bool* ok = 0) const; |
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Length* toCoordsArray(int& len) const; |
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Length* toLengthArray(int& len) const; |
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bool isLower() const; |
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StringImpl* lower() const; |
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StringImpl* upper() const; |
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StringImpl* secure(UChar aChar) const; |
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StringImpl* capitalize(UChar previousCharacter) const; |
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StringImpl* foldCase() const; |
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StringImpl* stripWhiteSpace() const; |
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StringImpl* simplifyWhiteSpace() const; |
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int find(const char*, int index = 0, bool caseSensitive = true) const; |
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int find(UChar, int index = 0) const; |
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int find(const StringImpl*, int index, bool caseSensitive = true) const; |
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int reverseFind(UChar, int index) const; |
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int reverseFind(const StringImpl*, int index, bool caseSensitive = true) const; |
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bool startsWith(const StringImpl* m_data, bool caseSensitive = true) const { return find(m_data, 0, caseSensitive) == 0; } |
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bool endsWith(const StringImpl*, bool caseSensitive = true) const; |
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// Does not modify the string. |
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StringImpl* replace(UChar, UChar); |
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StringImpl* replace(UChar, const StringImpl*); |
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StringImpl* replace(const StringImpl*, const StringImpl*); |
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StringImpl* replace(unsigned index, unsigned len, const StringImpl*); |
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static StringImpl* empty(); |
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Vector<char> ascii() const; |
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WTF::Unicode::Direction defaultWritingDirection() const; |
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#if PLATFORM(CF) |
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StringImpl(CFStringRef); |
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CFStringRef createCFString() const; |
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#endif |
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#ifdef __OBJC__ |
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StringImpl(NSString*); |
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operator NSString*() const; |
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#endif |
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#if PLATFORM(SYMBIAN) |
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StringImpl(const TDesC&); |
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StringImpl(const TDesC8&); |
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TPtrC des() const; |
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StringImpl* secureShowOffset(UChar aChar, unsigned offset) const; |
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#endif |
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StringImpl(const DeprecatedString&); |
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private: |
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unsigned m_length; |
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UChar* m_data; |
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friend class AtomicString; |
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friend struct UCharBufferTranslator; |
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friend struct CStringTranslator; |
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mutable unsigned m_hash; |
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bool m_inTable; |
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bool m_hasTerminatingNullCharacter; |
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}; |
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bool equal(const StringImpl*, const StringImpl*); |
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bool equal(const StringImpl*, const char*); |
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inline bool equal(const char* a, const StringImpl* b) { return equal(b, a); } |
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bool equalIgnoringCase(const StringImpl*, const StringImpl*); |
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bool equalIgnoringCase(const StringImpl*, const char*); |
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inline bool equalIgnoringCase(const char* a, const StringImpl* b) { return equalIgnoringCase(b, a); } |
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} |
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namespace WTF { |
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// StrHash is the default hash for StringImpl* and RefPtr<StringImpl> |
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template<typename T> struct DefaultHash; |
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template<typename T> struct StrHash; |
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template<> struct DefaultHash<WebCore::StringImpl*> { |
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typedef StrHash<WebCore::StringImpl*> Hash; |
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}; |
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template<> struct DefaultHash<RefPtr<WebCore::StringImpl> > { |
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typedef StrHash<RefPtr<WebCore::StringImpl> > Hash; |
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}; |
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} |
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#endif |