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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 "WebNode.h"
     36 #include "WebString.h"
     37 #include <wtf/PassRefPtr.h>
     38 
     39 using namespace WebCore;
     40 
     41 namespace WebKit {
     42 
     43 class WebRangePrivate : public Range {
     44 };
     45 
     46 void WebRange::reset()
     47 {
     48     assign(0);
     49 }
     50 
     51 void WebRange::assign(const WebRange& other)
     52 {
     53     WebRangePrivate* p = const_cast<WebRangePrivate*>(other.m_private);
     54     if (p)
     55         p->ref();
     56     assign(p);
     57 }
     58 
     59 int WebRange::startOffset() const
     60 {
     61     return m_private->startOffset();
     62 }
     63 
     64 int WebRange::endOffset() const
     65 {
     66     return m_private->endOffset();
     67 }
     68 
     69 WebNode WebRange::startContainer(int& exceptionCode) const
     70 {
     71     return PassRefPtr<Node>(m_private->startContainer(exceptionCode));
     72 }
     73 
     74 WebNode WebRange::endContainer(int& exceptionCode) const
     75 {
     76     return PassRefPtr<Node>(m_private->endContainer(exceptionCode));
     77 }
     78 
     79 WebString WebRange::toHTMLText() const
     80 {
     81     return m_private->toHTML();
     82 }
     83 
     84 WebString WebRange::toPlainText() const
     85 {
     86     return m_private->text();
     87 }
     88 
     89 WebRange::WebRange(const WTF::PassRefPtr<WebCore::Range>& range)
     90     : m_private(static_cast<WebRangePrivate*>(range.releaseRef()))
     91 {
     92 }
     93 
     94 WebRange& WebRange::operator=(const WTF::PassRefPtr<WebCore::Range>& range)
     95 {
     96     assign(static_cast<WebRangePrivate*>(range.releaseRef()));
     97     return *this;
     98 }
     99 
    100 WebRange::operator WTF::PassRefPtr<WebCore::Range>() const
    101 {
    102     return PassRefPtr<Range>(const_cast<WebRangePrivate*>(m_private));
    103 }
    104 
    105 void WebRange::assign(WebRangePrivate* p)
    106 {
    107     // p is already ref'd for us by the caller
    108     if (m_private)
    109         m_private->deref();
    110     m_private = p;
    111 }
    112 
    113 } // namespace WebKit
    114