Source/web/WebEntities.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "WebEntities.h"

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

namespace blink {

WebEntities::WebEntities(bool xmlEntities)
{
    ASSERT(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.get(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.get(c));
            result.append(';');
        } else {
            result.append(c);
        }
    }

    if (!didConvertEntity)
        return value;

    return result.toString();
}

} // namespace blink