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var _ = require('lodash');
var path = require('path');
var markdownParser = require('gitbook-markdown');
var asciidocParser = require('gitbook-asciidoc');
var Promise = require('./utils/promise');
// This list is ordered by priority of parsers to use
var PARSERS = [
createParser(markdownParser, {
name: 'markdown',
extensions: ['.md', '.markdown', '.mdown']
}),
createParser(asciidocParser, {
name: 'asciidoc',
extensions: ['.adoc', '.asciidoc']
})
];
// Prepare and compose a parser
function createParser(parser, base) {
var nparser = base;
nparser.glossary = Promise.wrapfn(parser.glossary);
nparser.glossary.toText = Promise.wrapfn(parser.glossary.toText);
nparser.summary = Promise.wrapfn(parser.summary);
nparser.summary.toText = Promise.wrapfn(parser.summary.toText);
nparser.langs = Promise.wrapfn(parser.langs);
nparser.langs.toText = Promise.wrapfn(parser.langs.toText);
nparser.readme = Promise.wrapfn(parser.readme);
nparser.page = Promise.wrapfn(parser.page);
nparser.page.prepare = Promise.wrapfn(parser.page.prepare || _.identity);
return nparser;
}
// Return a specific parser according to an extension
function getParser(ext) {
return _.find(PARSERS, function(input) {
return input.name == ext || _.contains(input.extensions, ext);
});
}
// Return parser for a file
function getParserForFile(filename) {
return getParser(path.extname(filename));
}
module.exports = {
all: PARSERS,
extensions: _.flatten(_.pluck(PARSERS, 'extensions')),
get: getParser,
getForFile: getParserForFile
};
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