TemplateDocument.cpp

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//
// This file is part of the Marble Project.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2012 Illya Kovalevskyy <illya.kovalevskyy@gmail.com>
//

#include "TemplateDocument.h"

#include <QMap>
#include <QString>
#include <QDir>
#include <QRegExp>

#include "MarbleDebug.h"

namespace Marble
{

class TemplateDocumentPrivate
{
public:
    TemplateDocumentPrivate()
    {
    }
    QString templateText;
    QMap<QString, QString> templateEntries;
    void processTemplateIncludes(QString &input) const;
};

void TemplateDocumentPrivate::processTemplateIncludes(QString &input) const
{
    QRegExp rx("%!\\{([^}]*)\\}%");

    QStringList includes;
    int pos = 0;

    while ((pos = rx.indexIn(input, pos)) != -1) {
        includes << rx.cap(1);
        pos += rx.matchedLength();
    }

    foreach (const QString &include, includes) {
        QFile includeFile(":/htmlfeatures/includes/"+include+".inc");
        if (includeFile.open(QIODevice::ReadOnly)) {
            input.replace("%!{" + include + "}%", includeFile.readAll());
        } else {
            mDebug() << "[WARNING] Can't process template include" << include;
        }
    }
}

TemplateDocument::TemplateDocument() :
    d(new TemplateDocumentPrivate)
{
}

TemplateDocument::TemplateDocument(const QString &templateText) :
    d(new TemplateDocumentPrivate)
{
    setTemplate(templateText);
}

TemplateDocument::~TemplateDocument()
{
    delete d;
}

void TemplateDocument::setTemplate(const QString &newTemplateText)
{
    d->templateText = newTemplateText;
}

QString TemplateDocument::value(const QString &key) const
{
    return d->templateEntries[key];
}

void TemplateDocument::setValue(const QString &key, const QString &value)
{
    d->templateEntries[key] = value;
}

QString& TemplateDocument::operator[](const QString &key)
{
    return d->templateEntries[key];
}

QString TemplateDocument::finalText() const
{
    QString ready = d->templateText;
    foreach (const QString &key, d->templateEntries.keys()) {
        ready.replace("%" + key + "%", d->templateEntries[key]);
    }
    d->processTemplateIncludes(ready);
    return ready;
}

} // namespace Marble