third_party/WebKit/Source/web/WebEntities.cpp

   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
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   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,
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  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "web/WebEntities.h"
  33
  34 #include "public/platform/WebString.h"
  35 #include "wtf/text/StringBuilder.h"
  36 #include <string.h>
  37
  38 namespace blink {
  39
  40 WebEntities::WebEntities(bool xmlEntities)
  41 {
  42     ASSERT(m_entitiesMap.isEmpty());
  43     m_entitiesMap.set(0x003c, "lt");
  44     m_entitiesMap.set(0x003e, "gt");
  45     m_entitiesMap.set(0x0026, "amp");
  46     m_entitiesMap.set(0x0027, "apos");
  47     m_entitiesMap.set(0x0022, "quot");
  48     // We add #39 for test-compatibility reason.
  49     if (!xmlEntities)
  50         m_entitiesMap.set(0x0027, String("#39"));
  51 }
  52
  53 String WebEntities::entityNameByCode(int code) const
  54 {
  55     // FIXME: We should use find so we only do one hash lookup.
  56     if (m_entitiesMap.contains(code))
  57         return m_entitiesMap.get(code);
  58     return "";
  59 }
  60
  61 String WebEntities::convertEntitiesInString(const String& value) const
  62 {
  63     StringBuilder result;
  64     bool didConvertEntity = false;
  65     unsigned length = value.length();
  66     for (unsigned i = 0; i < length; ++i) {
  67         UChar c = value[i];
  68         // FIXME: We should use find so we only do one hash lookup.
  69         if (m_entitiesMap.contains(c)) {
  70             didConvertEntity = true;
  71             result.append('&');
  72             result.append(m_entitiesMap.get(c));
  73             result.append(';');
  74         } else {
  75             result.append(c);
  76         }
  77     }
  78
  79     if (!didConvertEntity)
  80         return value;
  81
  82     return result.toString();
  83 }
  84
  85 } // namespace blink