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** contained in the Technology Preview License Agreement accompanying

** this package.

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****************************************************************************/

#include "addresshelper_p.h"

#include <qpair.h>

QTM_BEGIN_NAMESPACE

static QPair<int, int> findDelimiters(const QString& text)

{

    int first = -1;

    int second = -1;

    bool quoted = false;

    bool escaped = false;

    const QChar* const begin = text.constData();

    const QChar* const end = begin + text.length();

    for (const QChar* it = begin; it != end; ++it ) {

        if ( !escaped && ( *it == '\\' ) ) {

            escaped = true;

            continue;

        }

        if ( !quoted && *it == '"' && !escaped ) {

            quoted = true;

        }

        else if ( quoted && *it == '"' && !escaped ) {

            quoted = false;

        }

        if ( !quoted ) {

            if ( first == -1 && *it == '<' ) {

                first = (it - begin);

            }

            else if ( second == -1 && *it == '>' ) {

                second = (it - begin);

                break;

            }

        }

        escaped = false;

    }

    return qMakePair(first, second);

}

void qParseMailbox(QString& input, QString& name, QString& address, QString& suffix, bool &startDelimeterFound, bool &endDelimeterFound)

{

    // See if there is a trailing suffix

    int pos = input.indexOf("/TYPE=");

    if (pos != -1)

    {

        suffix = input.mid(pos + 6);

        input = input.left(pos);

    }

    // Separate the email address from the name

    QPair<int, int> delimiters = findDelimiters(input);

    if (delimiters.first == -1 && delimiters.second == -1)

    {

        name = address = input.trimmed();

    }

    else

    {

        if (delimiters.first == -1)

        {

            // Unmatched '>'

            address = input.left( delimiters.second );

            if ( name.isEmpty() )

                name = address;

        }

        else

        {

            name = input.left( delimiters.first );

            if (delimiters.second == -1)

                address = input.right(input.length() - delimiters.first - 1);

            else

                address = input.mid(delimiters.first + 1, (delimiters.second - delimiters.first - 1)).trimmed();

        }

        name = name.trimmed();

    }

    if (delimiters.first == -1)

        startDelimeterFound = false;

    else

        startDelimeterFound = true;

    if (delimiters.second == -1)

        endDelimeterFound = false;

    else

        endDelimeterFound = true;

}

QTM_END_NAMESPACE