--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/wtf/text/AtomicString.h Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
+ *
+ * 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 AtomicString_h
+#define AtomicString_h
+
+#include "AtomicStringImpl.h"
+#include "WTFString.h"
+
+// Define 'NO_IMPLICIT_ATOMICSTRING' before including this header,
+// to disallow (expensive) implicit String-->AtomicString conversions.
+#ifdef NO_IMPLICIT_ATOMICSTRING
+#define ATOMICSTRING_CONVERSION explicit
+#else
+#define ATOMICSTRING_CONVERSION
+#endif
+
+// FIXME: This is a temporary layering violation while we move string code to WTF.
+// Landing the file moves in one patch, will follow on with patches to change the namespaces.
+namespace WebCore {
+
+struct AtomicStringHash;
+
+class AtomicString {
+public:
+ static void init();
+
+ AtomicString() { }
+ AtomicString(const char* s) : m_string(add(s)) { }
+ AtomicString(const UChar* s, unsigned length) : m_string(add(s, length)) { }
+ AtomicString(const UChar* s, unsigned length, unsigned existingHash) : m_string(add(s, length, existingHash)) { }
+ AtomicString(const UChar* s) : m_string(add(s)) { }
+ ATOMICSTRING_CONVERSION AtomicString(StringImpl* imp) : m_string(add(imp)) { }
+ AtomicString(AtomicStringImpl* imp) : m_string(imp) { }
+ ATOMICSTRING_CONVERSION AtomicString(const String& s) : m_string(add(s.impl())) { }
+
+ // Hash table deleted values, which are only constructed and never copied or destroyed.
+ AtomicString(WTF::HashTableDeletedValueType) : m_string(WTF::HashTableDeletedValue) { }
+ bool isHashTableDeletedValue() const { return m_string.isHashTableDeletedValue(); }
+
+ static AtomicStringImpl* find(const UChar* s, unsigned length, unsigned existingHash);
+
+ operator const String&() const { return m_string; }
+ const String& string() const { return m_string; };
+
+ AtomicStringImpl* impl() const { return static_cast<AtomicStringImpl *>(m_string.impl()); }
+
+ const UChar* characters() const { return m_string.characters(); }
+ unsigned length() const { return m_string.length(); }
+
+ UChar operator[](unsigned int i) const { return m_string[i]; }
+
+ bool contains(UChar c) const { return m_string.contains(c); }
+ bool contains(const char* s, bool caseSensitive = true) const
+ { return m_string.contains(s, caseSensitive); }
+ bool contains(const String& s, bool caseSensitive = true) const
+ { return m_string.contains(s, caseSensitive); }
+
+ int find(UChar c, int start = 0) const { return m_string.find(c, start); }
+ int find(const char* s, int start = 0, bool caseSentitive = true) const
+ { return m_string.find(s, start, caseSentitive); }
+ int find(const String& s, int start = 0, bool caseSentitive = true) const
+ { return m_string.find(s, start, caseSentitive); }
+
+ bool startsWith(const String& s, bool caseSensitive = true) const
+ { return m_string.startsWith(s, caseSensitive); }
+ bool endsWith(const String& s, bool caseSensitive = true) const
+ { return m_string.endsWith(s, caseSensitive); }
+
+ AtomicString lower() const;
+ AtomicString upper() const { return AtomicString(impl()->upper()); }
+
+ int toInt(bool* ok = 0) const { return m_string.toInt(ok); }
+ double toDouble(bool* ok = 0) const { return m_string.toDouble(ok); }
+ float toFloat(bool* ok = 0) const { return m_string.toFloat(ok); }
+ bool percentage(int& p) const { return m_string.percentage(p); }
+
+ bool isNull() const { return m_string.isNull(); }
+ bool isEmpty() const { return m_string.isEmpty(); }
+
+ static void remove(StringImpl*);
+
+#if PLATFORM(CF)
+ AtomicString(CFStringRef s) : m_string(add(String(s).impl())) { }
+ CFStringRef createCFString() const { return m_string.createCFString(); }
+#endif
+#ifdef __OBJC__
+ AtomicString(NSString* s) : m_string(add(String(s).impl())) { }
+ operator NSString*() const { return m_string; }
+#endif
+#if PLATFORM(QT)
+ AtomicString(const QString& s) : m_string(add(String(s).impl())) { }
+ operator QString() const { return m_string; }
+#endif
+
+
+static const AtomicString& nullAtom2();
+static const AtomicString& emptyAtom2();
+static const AtomicString& textAtom2();
+static const AtomicString& commentAtom2();
+static const AtomicString& starAtom2();
+static const AtomicString& xmlAtom2();
+static const AtomicString& xmlnsAtom2();
+
+
+private:
+ String m_string;
+
+ static PassRefPtr<StringImpl> add(const char*);
+ static PassRefPtr<StringImpl> add(const UChar*, unsigned length);
+ static PassRefPtr<StringImpl> add(const UChar*, unsigned length, unsigned existingHash);
+ static PassRefPtr<StringImpl> add(const UChar*);
+ ALWAYS_INLINE PassRefPtr<StringImpl> add(StringImpl* r)
+ {
+ if (!r || r->isAtomic())
+ return r;
+ return addSlowCase(r);
+ }
+ static PassRefPtr<StringImpl> addSlowCase(StringImpl*);
+};
+
+inline bool operator==(const AtomicString& a, const AtomicString& b) { return a.impl() == b.impl(); }
+bool operator==(const AtomicString& a, const char* b);
+inline bool operator==(const AtomicString& a, const String& b) { return equal(a.impl(), b.impl()); }
+inline bool operator==(const char* a, const AtomicString& b) { return b == a; }
+inline bool operator==(const String& a, const AtomicString& b) { return equal(a.impl(), b.impl()); }
+
+inline bool operator!=(const AtomicString& a, const AtomicString& b) { return a.impl() != b.impl(); }
+inline bool operator!=(const AtomicString& a, const char *b) { return !(a == b); }
+inline bool operator!=(const AtomicString& a, const String& b) { return !equal(a.impl(), b.impl()); }
+inline bool operator!=(const char* a, const AtomicString& b) { return !(b == a); }
+inline bool operator!=(const String& a, const AtomicString& b) { return !equal(a.impl(), b.impl()); }
+
+inline bool equalIgnoringCase(const AtomicString& a, const AtomicString& b) { return equalIgnoringCase(a.impl(), b.impl()); }
+inline bool equalIgnoringCase(const AtomicString& a, const char* b) { return equalIgnoringCase(a.impl(), b); }
+inline bool equalIgnoringCase(const AtomicString& a, const String& b) { return equalIgnoringCase(a.impl(), b.impl()); }
+inline bool equalIgnoringCase(const char* a, const AtomicString& b) { return equalIgnoringCase(a, b.impl()); }
+inline bool equalIgnoringCase(const String& a, const AtomicString& b) { return equalIgnoringCase(a.impl(), b.impl()); }
+
+// Define external global variables for the commonly used atomic strings.
+// These are only usable from the main thread.
+#ifndef ATOMICSTRING_HIDE_GLOBALS
+ extern const JS_EXPORTDATA AtomicString nullAtom1;
+ extern const JS_EXPORTDATA AtomicString emptyAtom1;
+ extern const JS_EXPORTDATA AtomicString textAtom1;
+ extern const JS_EXPORTDATA AtomicString commentAtom1;
+ extern const JS_EXPORTDATA AtomicString starAtom1;
+ extern const JS_EXPORTDATA AtomicString xmlAtom1;
+ extern const JS_EXPORTDATA AtomicString xmlnsAtom1;
+
+#define nullAtom AtomicString::nullAtom2()
+#define emptyAtom AtomicString::emptyAtom2()
+#define textAtom AtomicString::textAtom2()
+#define commentAtom AtomicString::commentAtom2()
+#define starAtom AtomicString::starAtom2()
+#define xmlAtom AtomicString::xmlAtom2()
+#define xmlnsAtom AtomicString::xmlnsAtom2()
+
+
+
+#endif
+
+} // namespace WebCore
+
+
+namespace WTF {
+
+ // AtomicStringHash is the default hash for AtomicString
+ template<typename T> struct DefaultHash;
+ template<> struct DefaultHash<WebCore::AtomicString> {
+ typedef WebCore::AtomicStringHash Hash;
+ };
+
+} // namespace WTF
+
+#endif // AtomicString_h