--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/PlatformString.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,252 @@
+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * (C) 1999 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef PlatformString_h
+#define PlatformString_h
+
+// This file would be called String.h, but that conflicts with <string.h>
+// on systems without case-sensitive file systems.
+
+#include "StringImpl.h"
+
+#if PLATFORM(CF)
+typedef const struct __CFString * CFStringRef;
+#endif
+
+#if PLATFORM(QT)
+class QString;
+#endif
+
+#if PLATFORM(SYMBIAN)
+#include <string.h>
+#endif
+
+namespace WebCore {
+
+class CString;
+
+/**
+ * Currently, strings are explicitly shared (they behave like pointers), meaning
+ * that modifications to one instance will also modify all others. If you
+ * wish to get a String that is independent, use @ref copy(). In the future,
+ * we plan to change this to have immutable copy on write semantics.
+ */
+
+class String {
+public:
+ String() { } // gives null string, distinguishable from an empty string
+ String(const UChar*, unsigned length);
+ explicit String(const UChar*); // Specifically and explicitly for null terminated UTF-16
+ String(const KJS::Identifier&);
+ String(const KJS::UString&);
+ String(const char*);
+ String(const char*, unsigned length);
+ String(StringImpl* i) : m_impl(i) { }
+
+ static String newUninitialized(size_t length, UChar*& characterBuffer);
+ static String adopt(Vector<UChar>&);
+
+ operator KJS::Identifier() const;
+ operator KJS::UString() const;
+
+ unsigned length() const;
+ const UChar* characters() const;
+ const UChar* charactersWithNullTermination();
+
+ UChar operator[](unsigned i) const; // if i >= length(), returns 0
+
+ bool contains(UChar c) const { return find(c) != -1; }
+ bool contains(const char* str, bool caseSensitive = true) const { return find(str, 0, caseSensitive) != -1; }
+ bool contains(const String& str, bool caseSensitive = true) const { return find(str, 0, caseSensitive) != -1; }
+
+ int find(UChar c, int start = 0) const
+ { return m_impl ? m_impl->find(c, start) : -1; }
+ int find(const char* str, int start = 0, bool caseSensitive = true) const
+ { return m_impl ? m_impl->find(str, start, caseSensitive) : -1; }
+ int find(const String& str, int start = 0, bool caseSensitive = true) const
+ { return m_impl ? m_impl->find(str.impl(), start, caseSensitive) : -1; }
+
+ int reverseFind(UChar c, int start = -1) const
+ { return m_impl ? m_impl->reverseFind(c, start) : -1; }
+ int reverseFind(const String& str, int start = -1, bool caseSensitive = true) const
+ { return m_impl ? m_impl->reverseFind(str.impl(), start, caseSensitive) : -1; }
+
+ bool startsWith(const String& s, bool caseSensitive = true) const
+ { return m_impl ? m_impl->startsWith(s.impl(), caseSensitive) : s.isEmpty(); }
+ bool endsWith(const String& s, bool caseSensitive = true) const
+ { return m_impl ? m_impl->endsWith(s.impl(), caseSensitive) : s.isEmpty(); }
+
+ void append(const String&);
+ void append(char);
+ void append(UChar);
+ void insert(const String&, unsigned pos);
+ void insert(const UChar*, unsigned length, unsigned pos);
+
+ String& replace(UChar a, UChar b) { if (m_impl) m_impl = m_impl->replace(a, b); return *this; }
+ String& replace(UChar a, const String& b) { if (m_impl) m_impl = m_impl->replace(a, b.impl()); return *this; }
+ String& replace(const String& a, const String& b) { if (m_impl) m_impl = m_impl->replace(a.impl(), b.impl()); return *this; }
+ String& replace(unsigned index, unsigned len, const String& b) { if (m_impl) m_impl = m_impl->replace(index, len, b.impl()); return *this; }
+
+ void truncate(unsigned len);
+ void remove(unsigned pos, int len = 1);
+
+ String substring(unsigned pos, unsigned len = UINT_MAX) const;
+ String left(unsigned len) const { return substring(0, len); }
+ String right(unsigned len) const { return substring(length() - len, len); }
+
+ // Returns a lowercase/uppercase version of the string
+ String lower() const;
+ String upper() const;
+
+ String stripWhiteSpace() const;
+ String simplifyWhiteSpace() const;
+
+ // Return the string with case folded for case insensitive comparison.
+ String foldCase() const;
+
+ static String number(int);
+ static String number(unsigned);
+ static String number(long);
+ static String number(unsigned long);
+ static String number(long long);
+ static String number(unsigned long long);
+ static String number(double);
+
+ static String format(const char *, ...)
+#if __GNUC__
+ __attribute__ ((format (printf, 1, 2)))
+#endif
+ ;
+
+ Vector<String> split(const String& separator, bool allowEmptyEntries = false) const;
+ Vector<String> split(UChar separator, bool allowEmptyEntries = false) const;
+
+ int toInt(bool* ok = 0) const;
+ int64_t toInt64(bool* ok = 0) const;
+ uint64_t toUInt64(bool* ok = 0) const;
+ double toDouble(bool* ok = 0) const;
+ float toFloat(bool* ok = 0) const;
+ Length* toLengthArray(int& len) const;
+ Length* toCoordsArray(int& len) const;
+ bool percentage(int &_percentage) const;
+
+ String copy() const;
+
+ bool isNull() const { return !m_impl; }
+ bool isEmpty() const;
+
+ StringImpl* impl() const { return m_impl.get(); }
+
+#if PLATFORM(CF)
+ String(CFStringRef);
+ CFStringRef createCFString() const;
+#endif
+
+#ifdef __OBJC__
+ String(NSString*);
+
+ // This conversion maps NULL to "", which loses the meaning of NULL, but we
+ // need this mapping because AppKit crashes when passed nil NSStrings.
+ operator NSString*() const { if (!m_impl) return @""; return *m_impl; }
+#endif
+
+#if PLATFORM(QT)
+ String(const QString&);
+ String(const QStringRef&);
+ operator QString() const;
+#endif
+
+#if PLATFORM(SYMBIAN)
+ String(const TDesC&);
+ String(const TDesC8&);
+ operator TPtrC() const { return des(); }
+ TPtrC des() const { if (!m_impl) return KNullDesC(); return m_impl->des(); }
+#endif
+
+#ifndef NDEBUG
+ // For debugging only, leaks memory.
+ Vector<char> ascii() const;
+#endif
+
+ CString latin1() const;
+ CString utf8() const;
+
+ static String fromUTF8(const char*, size_t);
+ static String fromUTF8(const char*);
+
+ // Determines the writing direction using the Unicode Bidi Algorithm rules P2 and P3.
+ WTF::Unicode::Direction defaultWritingDirection() const { return m_impl ? m_impl->defaultWritingDirection() : WTF::Unicode::LeftToRight; }
+
+ String(const DeprecatedString&);
+ DeprecatedString deprecatedString() const;
+
+private:
+ RefPtr<StringImpl> m_impl;
+};
+
+String operator+(const String&, const String&);
+String operator+(const String&, const char*);
+String operator+(const char*, const String&);
+
+inline String& operator+=(String& a, const String& b) { a.append(b); return a; }
+
+inline bool operator==(const String& a, const String& b) { return equal(a.impl(), b.impl()); }
+inline bool operator==(const String& a, const char* b) { return equal(a.impl(), b); }
+inline bool operator==(const char* a, const String& b) { return equal(a, b.impl()); }
+
+inline bool operator!=(const String& a, const String& b) { return !equal(a.impl(), b.impl()); }
+inline bool operator!=(const String& a, const char* b) { return !equal(a.impl(), b); }
+inline bool operator!=(const char* a, const String& b) { return !equal(a, b.impl()); }
+
+inline bool equalIgnoringCase(const String& a, const String& b) { return equalIgnoringCase(a.impl(), b.impl()); }
+inline bool equalIgnoringCase(const String& a, const char* b) { return equalIgnoringCase(a.impl(), b); }
+inline bool equalIgnoringCase(const char* a, const String& b) { return equalIgnoringCase(a, b.impl()); }
+
+bool operator==(const String& a, const DeprecatedString& b);
+inline bool operator==(const DeprecatedString& b, const String& a) { return a == b; }
+inline bool operator!=(const String& a, const DeprecatedString& b) { return !(a == b); }
+inline bool operator!=(const DeprecatedString& b, const String& a ) { return !(a == b); }
+
+inline bool operator!(const String& str) { return str.isNull(); }
+
+#ifdef __OBJC__
+// This is for situations in WebKit where the long standing behavior has been
+// "nil if empty", so we try to maintain longstanding behavior for the sake of
+// entrenched clients
+inline NSString* nsStringNilIfEmpty(const String& str) { return str.isEmpty() ? nil : (NSString*)str; }
+#endif
+
+}
+
+namespace WTF {
+
+ // StrHash is the default hash for String
+ template<typename T> struct DefaultHash;
+ template<typename T> struct StrHash;
+ template<> struct DefaultHash<WebCore::String> {
+ typedef StrHash<WebCore::String> Hash;
+ };
+
+}
+
+#endif