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/***************************************************************************
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* Markdown Viewer part *
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* Copyright (c) 2022 Mavridis Philippe <mavridisf@gmail.com> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include <tqbuffer.h>
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#include <tqfile.h>
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#include <tdeparts/genericfactory.h>
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#include <kstandarddirs.h>
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#include <tdehtmlview.h>
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/* MD4C-HTML */
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#include <md4c-html.h>
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#include "markdown_part.h"
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typedef KParts::GenericFactory<MarkdownPart> Factory;
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K_EXPORT_COMPONENT_FACTORY(libtdemarkdown, Factory)
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MarkdownPart::MarkdownPart(TQWidget* parentWidget, const char* widgetName,
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TQObject* parent, const char* name, const TQStringList& args)
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: TDEHTMLPart(parentWidget, name = "TDEMarkdown")
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{
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setInstance(Factory::instance());
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/* Features */
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setJScriptEnabled(false);
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setJavaEnabled(false);
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setMetaRefreshEnabled(false);
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setPluginsEnabled(false);
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setAutoloadImages(true);
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setXMLFile( locate("data", "tdemarkdown/markdown_part.rc") );
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}
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MarkdownPart::~MarkdownPart()
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{
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}
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TDEAboutData* MarkdownPart::createAboutData()
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{
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TDEAboutData* aboutData = new TDEAboutData(
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"tdemarkdown", I18N_NOOP("TDE Markdown Viewer"), "1.0",
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I18N_NOOP("TDEMarkdown is an embeddable viewer for Markdown documents."),
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TDEAboutData::License_GPL_V2, "© 2022 Mavridis Philippe"
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);
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aboutData->addAuthor("Mavridis Philippe (blu.256)", I18N_NOOP("Developer"), "mavridisf@gmail.com");
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return aboutData;
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}
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bool MarkdownPart::openURL(const KURL& u)
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{
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if(u.isLocalFile())
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{
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TQFile local(u.path());
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if(!local.open(IO_ReadOnly))
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{
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return false;
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}
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TQByteArray data = local.readAll();
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local.close();
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if(!data.isNull())
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{
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if (data[data.size()-1] != '\0')
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{
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data.resize(data.size()+1);
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data[data.size()-1] = '\0';
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}
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begin(u);
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TQString parsed(parse((MD_CHAR*) data.data(), u.fileName().utf8().data()));
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write(parsed);
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end();
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}
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}
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emit started(0L);
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return true;
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}
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TQString& MarkdownPart::parse(MD_CHAR* document, MD_CHAR* title)
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{
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m_buffer = "<!DOCTYPE html>\n";
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m_buffer += "<html>\n";
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m_buffer += " <head>\n";
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m_buffer += " <meta charset='utf-8'>\n";
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m_buffer += " <title>" + (title ? title : i18n("Markdown document")) + "</title>\n";
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m_buffer += " </head>\n";
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m_buffer += " <body>\n";
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TQByteArray data;
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int success = md_html(document,
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MD_SIZE(strlen(document)),
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&MarkdownPart::processHTML,
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&data,
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MD_DIALECT_GITHUB | MD_FLAG_PERMISSIVEURLAUTOLINKS | MD_FLAG_PERMISSIVEEMAILAUTOLINKS | MD_FLAG_PERMISSIVEWWWAUTOLINKS
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| MD_FLAG_LATEXMATHSPANS | MD_FLAG_PERMISSIVEATXHEADERS | MD_FLAG_UNDERLINE | MD_FLAG_TASKLISTS,
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0);
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if (success == -1)
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{
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m_buffer += TQString("<b>%1</b>").arg(i18n("Error: malformed document."));
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}
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else
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{
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if (data[data.size()-1] != '\0')
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{
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data.resize(data.size()+1);
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data[data.size()-1] = '\0';
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}
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m_buffer += TQString::fromLocal8Bit(data);
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}
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m_buffer += " </body>\n";
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m_buffer += "</html>\n";
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return m_buffer;
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}
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void MarkdownPart::processHTML(const MD_CHAR* data, MD_SIZE data_size, void* user_data)
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{
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TQByteArray *ud = static_cast<TQByteArray*>(user_data);
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TQBuffer buff(*ud);
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if (data_size > 0)
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{
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buff.open(IO_WriteOnly | IO_Append);
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buff.writeBlock(data, (int)data_size);
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buff.close();
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}
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}
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#include "markdown_part.moc"
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