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0131569c02
TODO: Currently the exported PDF does not have the outline which is needed to fix via third-party utils.
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
#include "vmarkdownconverter.h"
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#include <QRegularExpression>
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VMarkdownConverter::VMarkdownConverter()
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{
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hoedownHtmlFlags = (hoedown_html_flags)0;
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nestingLevel = 16;
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htmlRenderer = hoedown_html_renderer_new(hoedownHtmlFlags, nestingLevel);
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tocRenderer = hoedown_html_toc_renderer_new(nestingLevel);
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}
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VMarkdownConverter::~VMarkdownConverter()
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{
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if (htmlRenderer) {
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hoedown_html_renderer_free(htmlRenderer);
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}
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if (tocRenderer) {
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hoedown_html_renderer_free(tocRenderer);
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}
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}
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QString VMarkdownConverter::generateHtml(const QString &markdown, hoedown_extensions options)
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{
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if (markdown.isEmpty()) {
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return QString();
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}
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hoedown_document *document = hoedown_document_new(htmlRenderer, options,
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nestingLevel);
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QByteArray data = markdown.toUtf8();
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hoedown_buffer *outBuf = hoedown_buffer_new(data.size());
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hoedown_document_render(document, outBuf, (const uint8_t *)data.constData(), data.size());
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hoedown_document_free(document);
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QString html = QString::fromUtf8(hoedown_buffer_cstr(outBuf));
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hoedown_buffer_free(outBuf);
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return html;
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}
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QString VMarkdownConverter::generateHtml(const QString &markdown, hoedown_extensions options, QString &toc)
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{
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if (markdown.isEmpty()) {
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return QString();
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}
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QString html = generateHtml(markdown, options);
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QRegularExpression tocExp("<p>\\[TOC\\]<\\/p>", QRegularExpression::CaseInsensitiveOption);
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toc = generateToc(markdown, options);
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html.replace(tocExp, toc);
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return html;
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}
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static void processToc(QString &p_toc)
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{
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// Hoedown will add '\n'.
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p_toc.replace("\n", "");
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// Hoedown will translate `_` in title to `<em>`.
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p_toc.replace("<em>", "_");
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p_toc.replace("</em>", "_");
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}
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QString VMarkdownConverter::generateToc(const QString &markdown, hoedown_extensions options)
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{
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if (markdown.isEmpty()) {
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return QString();
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}
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hoedown_document *document = hoedown_document_new(tocRenderer, options, nestingLevel);
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QByteArray data = markdown.toUtf8();
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hoedown_buffer *outBuf = hoedown_buffer_new(16);
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hoedown_document_render(document, outBuf, (const uint8_t *)data.constData(), data.size());
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hoedown_document_free(document);
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QString toc = QString::fromUtf8(hoedown_buffer_cstr(outBuf));
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hoedown_buffer_free(outBuf);
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processToc(toc);
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return toc;
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}
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