#include "utils.h"

#include <QtCore/QFile>

#include <QtCore/QDebug>

#include <libxml/parser.h>

#include <libxslt/xsltInternals.h>

#include <libxslt/transform.h>

#include <libxslt/xsltutils.h>

QByteArray loadFile(const QString& filename) {

    QFile file(filename);

    if (!file.open(QIODevice::ReadOnly)) {

        qDebug() << file.errorString();

    }

    return file.readAll();

}

void

xmltosvg(xsltStylesheetPtr xsl, const char* filepath, FILE* out) {

    QString file = QString::fromLocal8Bit(filepath);

    const QMap<QString, QByteArray> streams = readStreams(file);

    const QMap<QString, QSharedPointer<const Introspectable> > introspectables

            = parseStreams(streams);

    const QByteArray xml = streamsToExtendedXml(introspectables);

    xmlDocPtr pptxmldoc = xmlParseMemory(xml, xml.size());

    xmlDocPtr res = xsltApplyStylesheet(xsl, pptxmldoc, 0);

    xsltSaveResultToFile(out, res, xsl);

    xmlFreeDoc(pptxmldoc);

    xmlFreeDoc(res);

}

int

main(int argc, char** argv) {

    if (argc < 2) return 1;

    QByteArray xslfiledata = loadFile(":/ppttosvg.xsl");

    xmlDocPtr xsldoc = xmlParseMemory(xslfiledata, xslfiledata.size());

    xslfiledata.resize(0);

    xsltStylesheetPtr xsl = xsltParseStylesheetDoc(xsldoc);

    for (int i=1; i<argc; ++i) {

        xmltosvg(xsl, argv[i], stdout);

    }

    xsltFreeStylesheet(xsl); // this frees xsldoc too

    xsltCleanupGlobals();

    xmlCleanupParser();

    return 0;

}