File indexing completed on 2024-04-14 14:22:02

0001 /*
0002  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
0003  *
0004  * This library is free software; you can redistribute it and/or
0005  * modify it under the terms of the GNU Library General Public
0006  * License as published by the Free Software Foundation; either
0007  * version 2 of the License, or (at your option) any later version.
0008  *
0009  * This library is distributed in the hope that it will be useful,
0010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012  * Library General Public License for more details.
0013  *
0014  * You should have received a copy of the GNU Library General Public License
0015  * along with this library; see the file COPYING.LIB.  If not, write to
0016  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017  * Boston, MA 02110-1301, USA.
0018  *
0019  */
0020 
0021 #ifndef AtomicString_h
0022 #define AtomicString_h
0023 
0024 #include "AtomicStringImpl.h"
0025 #include "dom/dom_string.h"
0026 
0027 using DOM::DOMString;
0028 using DOM::DOMStringImpl;
0029 
0030 namespace khtml
0031 {
0032 
0033 class AtomicString
0034 {
0035 public:
0036     static void init();
0037 
0038     AtomicString() { }
0039     AtomicString(const char *s) : m_string(add(s)) { }
0040     AtomicString(const QChar *s, int length) : m_string(add(s, length)) { }
0041     AtomicString(const QChar *s) : m_string(add(s)) { }
0042     //AtomicString(const KJS::UString& s) : m_string(add(s)) { }
0043     //AtomicString(const KJS::Identifier& s) : m_string(add(s)) { }
0044     AtomicString(DOMStringImpl *imp) : m_string(add(imp)) { }
0045     AtomicString(AtomicStringImpl *imp) : m_string(imp) { }
0046     AtomicString(const DOMString &s) : m_string(add(s.implementation())) { }
0047 
0048     //static AtomicStringImpl* find(const KJS::Identifier&);
0049 
0050     operator const DOMString &() const
0051     {
0052         return m_string;
0053     }
0054     const DOMString &string() const
0055     {
0056         return m_string;
0057     };
0058 
0059     //operator KJS::UString() const;
0060 
0061     AtomicStringImpl *impl() const
0062     {
0063         return static_cast<AtomicStringImpl *>(m_string.implementation());
0064     }
0065 
0066     const QChar *characters() const
0067     {
0068         return m_string.characters();
0069     }
0070     unsigned length() const
0071     {
0072         return m_string.length();
0073     }
0074 
0075     QChar operator[](unsigned int i) const
0076     {
0077         return m_string[i];
0078     }
0079 
0080     /*FIXME: not yet implemented in DOMString
0081     bool contains(QChar c) const { return m_string.contains(c); }
0082     bool contains(const AtomicString& s, bool caseSensitive = true) const
0083         { return m_string.contains(s.string(), caseSensitive); }
0084 
0085     int find(QChar c, int start = 0) const { return m_string.find(c, start); }
0086     int find(const AtomicString& s, int start = 0, bool caseSentitive = true) const
0087         { return m_string.find(s.string(), start, caseSentitive); }
0088 
0089     bool startsWith(const AtomicString& s, bool caseSensitive = true) const
0090         { return m_string.startsWith(s.string(), caseSensitive); }
0091     bool endsWith(const AtomicString& s, bool caseSensitive = true) const
0092         { return m_string.endsWith(s.string(), caseSensitive); }
0093 
0094     int toInt(bool* ok = 0) const { return m_string.toInt(ok); }
0095     double toDouble(bool* ok = 0) const { return m_string.toDouble(ok); }
0096     float toFloat(bool* ok = 0) const { return m_string.toFloat(ok); }
0097     bool percentage(int& p) const { return m_string.percentage(p); }
0098     Length* toLengthArray(int& len) const { return m_string.toLengthArray(len); }
0099     Length* toCoordsArray(int& len) const { return m_string.toCoordsArray(len); }*/
0100 
0101     bool isNull() const
0102     {
0103         return m_string.isNull();
0104     }
0105     bool isEmpty() const
0106     {
0107         return m_string.isEmpty();
0108     }
0109 
0110     static void remove(DOMStringImpl *);
0111 
0112 private:
0113     DOMString m_string;
0114 
0115     static DOMStringImpl *add(const char *);
0116     static DOMStringImpl *add(const QChar *, int length);
0117     static DOMStringImpl *add(const QChar *);
0118     static DOMStringImpl *add(DOMStringImpl *);
0119     //static PassRefPtr<DOMStringImpl> add(const KJS::UString&);
0120     //static PassRefPtr<DOMStringImpl> add(const KJS::Identifier&);
0121 };
0122 
0123 inline bool operator==(const AtomicString &a, const AtomicString &b)
0124 {
0125     return a.impl() == b.impl();
0126 }
0127 bool operator==(const AtomicString &a, const char *b);
0128 //inline bool operator==(const AtomicString& a, const DOMString& b) { return equal(a.impl(), b.implementation()); }
0129 inline bool operator==(const char *a, const AtomicString &b)
0130 {
0131     return b == a;
0132 }
0133 /*inline bool operator==(const DOMString& a, const AtomicString& b) { return equal(a.implementation(), b.impl()); }*/
0134 
0135 inline bool operator!=(const AtomicString &a, const AtomicString &b)
0136 {
0137     return a.impl() != b.impl();
0138 }
0139 /*inline bool operator!=(const AtomicString& a, const char *b) { return !(a == b); }
0140 inline bool operator!=(const AtomicString& a, const String& b) { return !equal(a.impl(), b.impl()); }
0141 inline bool operator!=(const char* a, const AtomicString& b) { return !(b == a); }
0142 inline bool operator!=(const String& a, const AtomicString& b) { return !equal(a.impl(), b.impl()); }
0143 
0144 inline bool equalIgnoringCase(const AtomicString& a, const AtomicString& b) { return equalIgnoringCase(a.impl(), b.impl()); }
0145 inline bool equalIgnoringCase(const AtomicString& a, const char* b) { return equalIgnoringCase(a.impl(), b); }
0146 inline bool equalIgnoringCase(const AtomicString& a, const String& b) { return equalIgnoringCase(a.impl(), b.impl()); }
0147 inline bool equalIgnoringCase(const char* a, const AtomicString& b) { return equalIgnoringCase(a, b.impl()); }
0148 inline bool equalIgnoringCase(const String& a, const AtomicString& b) { return equalIgnoringCase(a.impl(), b.impl()); }*/
0149 
0150 // Define external global variables for the commonly used atomic strings.
0151 #ifndef ATOMICSTRING_HIDE_GLOBALS
0152 extern const AtomicString nullAtom;
0153 extern const AtomicString emptyAtom;
0154 extern const AtomicString textAtom;
0155 extern const AtomicString commentAtom;
0156 extern const AtomicString starAtom;
0157 #endif
0158 
0159 }
0160 
0161 #endif // AtomicString_h