third_party/WebKit/Source/web/WebEntities.cpp

/*
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#include "web/WebEntities.h"

#include "public/platform/WebString.h"
#include "wtf/text/StringBuilder.h"
#include <string.h>

namespace blink {

WebEntities::WebEntities(bool xmlEntities) {
  DCHECK(m_entitiesMap.isEmpty());
  m_entitiesMap.set(0x003c, "lt");
  m_entitiesMap.set(0x003e, "gt");
  m_entitiesMap.set(0x0026, "amp");
  m_entitiesMap.set(0x0027, "apos");
  m_entitiesMap.set(0x0022, "quot");
  // We add #39 for test-compatibility reason.
  if (!xmlEntities)
    m_entitiesMap.set(0x0027, String("#39"));
}

String WebEntities::entityNameByCode(int code) const {
  // FIXME: We should use find so we only do one hash lookup.
  if (m_entitiesMap.contains(code))
    return m_entitiesMap.at(code);
  return "";
}

String WebEntities::convertEntitiesInString(const String& value) const {
  StringBuilder result;
  bool didConvertEntity = false;
  unsigned length = value.length();
  for (unsigned i = 0; i < length; ++i) {
    UChar c = value[i];
    // FIXME: We should use find so we only do one hash lookup.
    if (m_entitiesMap.contains(c)) {
      didConvertEntity = true;
      result.append('&');
      result.append(m_entitiesMap.at(c));
      result.append(';');
    } else {
      result.append(c);
    }
  }

  if (!didConvertEntity)
    return value;

  return result.toString();
}

}  // namespace blink