#!/usr/bin/env node
// Imports
var fs = require('fs');
var marked = require('marked');
var highlight = require('highlight.js');
var katex = require('katex');
var yargs = require('yargs');
var extend = require('util')._extend;
// Constants
var template = ' %TITLE% %BODY% '
// Understanding
var argv = yargs
.usage("Usage: $0 [options]")
.example('$0 -i doc.md -o doc.html', 'Convert doc.md to HTML using the default template')
.help('h')
.alias('h', 'help')
.describe('i', 'Input file')
.alias('i', 'input')
.default('i', '/dev/stdin')
.describe('o', 'Output file')
.alias('o', 'output')
.default('o', '/dev/stdout')
.describe('t', 'Template file (%BODY% is replaced by the text)')
.alias('t', 'template')
.argv;
if (argv.t) {
template = fs.readFileSync(argv.t, "utf8");
}
// Settings
var extraLangages = {
avrpseudo: function (hljs) {
lang = extend({}, highlight.getLanguage('avrasm'));
lang.keywords.keyword += 'Si Alors Sinon FinSi TantQue FinTantQue Pour FinPour allant de à ←';
lang.keywords.keyword += 'Lire Sortir sur Appeler Retourner';
lang.keywords.keyword += 'DecalerDroite DecalerGauche';
lang.keywords.built_in += ' vrai faux';
return lang;
},
avrasmplus: function (hljs) {
lang = extend({}, highlight.getLanguage('avrasm'));
lang.keywords.keyword += ' si saut alors et ou if then goto && || <-';
lang.contains.push({
className: 'meta',
begin: /@\w+/,
});
return lang;
},
};
for (lang in extraLangages) {
// This must be done before any call to highlight.highlight :/
highlight.registerLanguage(lang, extraLangages[lang]);
}
var renderer = new marked.Renderer();
marked.setOptions({
highlight: function (code, lang) {
if (highlight.getLanguage(lang)) {
return highlight.highlight(lang, code).value;
} else {
// if (extraLangages[lang]) {
// highlight.registerLanguage(lang, extraLangages[lang]);
// return highlight.highlight(lang, code).value;
// } else {
// }
console.warn("Unknown language: " + lang);
return highlight.highlightAuto(code).value;
}
}
});
// Processing
markdownString = fs.readFileSync(argv.i, "utf8");
// TeX
markdownString = markdownString.replace(/\\\$/g, '$')
markdownString = markdownString.replace(/\$\$([\s\S]+)\$\$/gm, function(glob, formula) {
return katex.renderToString(formula, {displayMode: true});
});
markdownString = markdownString.replace(/\$([^$]+)\$/g, function(glob, formula) {
return katex.renderToString(formula, {displayMode: false});
});
// Conversion
htmlString = marked(markdownString, {renderer: renderer});
fullHtmlString = template.replace('%BODY%', htmlString);
// Saving
if (argv.o == '/dev/stdout') {
console.log(fullHtmlString);
} else {
fs.writeFileSync(argv.o, fullHtmlString);
}