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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 "WebRange.h"
     33 
     34 #include "Range.h"
     35 #include "WebString.h"
     36 #include <wtf/PassRefPtr.h>
     37 
     38 using namespace WebCore;
     39 
     40 namespace WebKit {
     41 
     42 class WebRangePrivate : public Range {
     43 };
     44 
     45 void WebRange::reset()
     46 {
     47     assign(0);
     48 }
     49 
     50 void WebRange::assign(const WebRange& other)
     51 {
     52     WebRangePrivate* p = const_cast<WebRangePrivate*>(other.m_private);
     53     if (p)
     54         p->ref();
     55     assign(p);
     56 }
     57 
     58 int WebRange::startOffset() const
     59 {
     60     return m_private->startOffset();
     61 }
     62 
     63 int WebRange::endOffset() const
     64 {
     65     return m_private->endOffset();
     66 }
     67 
     68 Node* WebRange::startContainer(int& exceptionCode) const
     69 {
     70     return m_private->startContainer(exceptionCode);
     71 }
     72 
     73 Node* WebRange::endContainer(int& exceptionCode) const
     74 {
     75     return m_private->endContainer(exceptionCode);
     76 }
     77 
     78 WebString WebRange::toHTMLText() const
     79 {
     80     return m_private->toHTML();
     81 }
     82 
     83 WebString WebRange::toPlainText() const
     84 {
     85     return m_private->text();
     86 }
     87 
     88 WebRange::WebRange(const WTF::PassRefPtr<WebCore::Range>& range)
     89     : m_private(static_cast<WebRangePrivate*>(range.releaseRef()))
     90 {
     91 }
     92 
     93 WebRange& WebRange::operator=(const WTF::PassRefPtr<WebCore::Range>& range)
     94 {
     95     assign(static_cast<WebRangePrivate*>(range.releaseRef()));
     96     return *this;
     97 }
     98 
     99 WebRange::operator WTF::PassRefPtr<WebCore::Range>() const
    100 {
    101     return PassRefPtr<Range>(const_cast<WebRangePrivate*>(m_private));
    102 }
    103 
    104 void WebRange::assign(WebRangePrivate* p)
    105 {
    106     // p is already ref'd for us by the caller
    107     if (m_private)
    108         m_private->deref();
    109     m_private = p;
    110 }
    111 
    112 } // namespace WebKit
    113