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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "public/platform/WebString.h"
     33 
     34 #include "public/platform/WebCString.h"
     35 #include "wtf/text/AtomicString.h"
     36 #include "wtf/text/CString.h"
     37 #include "wtf/text/StringUTF8Adaptor.h"
     38 #include "wtf/text/WTFString.h"
     39 
     40 namespace blink {
     41 
     42 void WebString::reset()
     43 {
     44     m_private.reset();
     45 }
     46 
     47 void WebString::assign(const WebString& other)
     48 {
     49     assign(other.m_private.get());
     50 }
     51 
     52 void WebString::assign(const WebUChar* data, size_t length)
     53 {
     54     assign(StringImpl::create8BitIfPossible(data, length).get());
     55 }
     56 
     57 size_t WebString::length() const
     58 {
     59     return m_private.isNull() ? 0 : m_private->length();
     60 }
     61 
     62 WebUChar WebString::at(unsigned i) const
     63 {
     64     ASSERT(!m_private.isNull());
     65     return (*m_private.get())[i];
     66 }
     67 
     68 bool WebString::is8Bit() const
     69 {
     70     return m_private->is8Bit();
     71 }
     72 
     73 const WebLChar* WebString::data8() const
     74 {
     75     return !m_private.isNull() && is8Bit() ? m_private->characters8() : 0;
     76 }
     77 
     78 const WebUChar* WebString::data16() const
     79 {
     80     return !m_private.isNull() && !is8Bit() ? m_private->characters16() : 0;
     81 }
     82 
     83 std::string WebString::utf8() const
     84 {
     85     StringUTF8Adaptor utf8(m_private.get());
     86     return std::string(utf8.data(), utf8.length());
     87 }
     88 
     89 WebString WebString::fromUTF8(const char* data, size_t length)
     90 {
     91     return String::fromUTF8(data, length);
     92 }
     93 
     94 WebString WebString::fromUTF8(const char* data)
     95 {
     96     return String::fromUTF8(data);
     97 }
     98 
     99 std::string WebString::latin1() const
    100 {
    101     String string(m_private.get());
    102 
    103     if (string.isEmpty())
    104         return std::string();
    105 
    106     if (string.is8Bit())
    107         return std::string(reinterpret_cast<const char*>(string.characters8()), string.length());
    108 
    109     WebCString latin1 = string.latin1();
    110     return std::string(latin1.data(), latin1.length());
    111 }
    112 
    113 WebString WebString::fromLatin1(const WebLChar* data, size_t length)
    114 {
    115     return String(data, length);
    116 }
    117 
    118 bool WebString::equals(const WebString& s) const
    119 {
    120     return equal(m_private.get(), s.m_private.get());
    121 }
    122 
    123 WebString::WebString(const WTF::String& s)
    124     : m_private(s.impl())
    125 {
    126 }
    127 
    128 WebString& WebString::operator=(const WTF::String& s)
    129 {
    130     assign(s.impl());
    131     return *this;
    132 }
    133 
    134 WebString::operator WTF::String() const
    135 {
    136     return m_private.get();
    137 }
    138 
    139 WebString::WebString(const WTF::AtomicString& s)
    140 {
    141     assign(s.string());
    142 }
    143 
    144 WebString& WebString::operator=(const WTF::AtomicString& s)
    145 {
    146     assign(s.string());
    147     return *this;
    148 }
    149 
    150 WebString::operator WTF::AtomicString() const
    151 {
    152     return WTF::AtomicString(m_private.get());
    153 }
    154 
    155 void WebString::assign(WTF::StringImpl* p)
    156 {
    157     m_private = p;
    158 }
    159 
    160 } // namespace blink
    161