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#include "translatormessage.h"

#include <qplatformdefs.h>

#ifndef QT_NO_TRANSLATION

#include <QDataStream>
#include <QDebug>

#include <stdlib.h>


QT_BEGIN_NAMESPACE

TranslatorMessage::TranslatorMessage()
  : m_lineNumber(-1), m_type(Unfinished), m_utf8(false), m_nonUtf8(false), m_plural(false)
{
}

TranslatorMessage::TranslatorMessage(const QString &context,
    const QString &sourceText, const QString &comment,
    const QString &userData,
    const QString &fileName, int lineNumber, const QStringList &translations,
    Type type, bool plural)
  : m_context(context), m_sourcetext(sourceText), m_comment(comment),
    m_userData(userData),
    m_translations(translations), m_fileName(fileName), m_lineNumber(lineNumber),
    m_type(type), m_utf8(false), m_nonUtf8(false), m_plural(plural)
{
}

void TranslatorMessage::addReference(const QString &fileName, int lineNumber)
{
    if (m_fileName.isEmpty()) {
        m_fileName = fileName;
        m_lineNumber = lineNumber;
    } else {
        m_extraRefs.append(Reference(fileName, lineNumber));
    }
}

void TranslatorMessage::addReferenceUniq(const QString &fileName, int lineNumber)
{
    if (m_fileName.isEmpty()) {
        m_fileName = fileName;
        m_lineNumber = lineNumber;
    } else {
        if (fileName == m_fileName && lineNumber == m_lineNumber)
            return;
        if (!m_extraRefs.isEmpty()) // Rather common case, so special-case it
            foreach (const Reference &ref, m_extraRefs)
                if (fileName == ref.fileName() && lineNumber == ref.lineNumber())
                    return;
        m_extraRefs.append(Reference(fileName, lineNumber));
    }
}

void TranslatorMessage::clearReferences()
{
    m_fileName.clear();
    m_lineNumber = -1;
    m_extraRefs.clear();
}

void TranslatorMessage::setReferences(const TranslatorMessage::References &refs0)
{
    if (!refs0.isEmpty()) {
        References refs = refs0;
        const Reference &ref = refs.takeFirst();
        m_fileName = ref.fileName();
        m_lineNumber = ref.lineNumber();
        m_extraRefs = refs;
    } else {
        clearReferences();
    }
}

TranslatorMessage::References TranslatorMessage::allReferences() const
{
    References refs;
    if (!m_fileName.isEmpty()) {
        refs.append(Reference(m_fileName, m_lineNumber));
        refs += m_extraRefs;
    }
    return refs;
}

static bool needs8BitHelper(const QString &ba)
{
    for (int i = ba.size(); --i >= 0; )
        if (ba.at(i).unicode() >= 0x80)
            return true;
    return false;
}

bool TranslatorMessage::needs8Bit() const
{
    //dump();
    return needs8BitHelper(m_sourcetext)
        || needs8BitHelper(m_comment)
        || needs8BitHelper(m_context);
}


bool TranslatorMessage::operator==(const TranslatorMessage& m) const
{
    static QString msgIdPlural = QLatin1String("po-msgid_plural");

    // Special treatment for context comments (empty source).
    return (m_context == m.m_context)
        && m_sourcetext == m.m_sourcetext
        && m_extra[msgIdPlural] == m.m_extra[msgIdPlural]
        && m_id == m.m_id
        && (m_sourcetext.isEmpty() || m_comment == m.m_comment);
}


bool TranslatorMessage::operator<(const TranslatorMessage& m) const
{
    if (m_context != m.m_context)
        return m_context < m.m_context;
    if (m_sourcetext != m.m_sourcetext)
        return m_sourcetext < m.m_sourcetext;
    if (m_comment != m.m_comment)
        return m_comment < m.m_comment;
    return m_id < m.m_id;
}

int qHash(const TranslatorMessage &msg)
{
    return
        qHash(msg.context()) ^
        qHash(msg.sourceText()) ^
        qHash(msg.extra(QLatin1String("po-msgid_plural"))) ^
        qHash(msg.comment()) ^
        qHash(msg.id());
}

bool TranslatorMessage::hasExtra(const QString &key) const
{
    return m_extra.contains(key);
}

QString TranslatorMessage::extra(const QString &key) const
{
    return m_extra[key];
}

void TranslatorMessage::setExtra(const QString &key, const QString &value)
{
    m_extra[key] = value;
}

void TranslatorMessage::unsetExtra(const QString &key)
{
    m_extra.remove(key);
}

void TranslatorMessage::dump() const
{
    qDebug()
        << "\nId                : " << m_id
        << "\nContext           : " << m_context
        << "\nSource            : " << m_sourcetext
        << "\nComment           : " << m_comment
        << "\nUserData          : " << m_userData
        << "\nExtraComment      : " << m_extraComment
        << "\nTranslatorComment : " << m_translatorComment
        << "\nTranslations      : " << m_translations
        << "\nFileName          : " << m_fileName
        << "\nLineNumber        : " << m_lineNumber
        << "\nType              : " << m_type
        << "\nPlural            : " << m_plural
        << "\nExtra             : " << m_extra;
}


QT_END_NAMESPACE

#endif // QT_NO_TRANSLATION