1 files changed, 60 insertions, 0 deletions
diff --git a/lib/parsers.js b/lib/parsers.js
new file mode 100644
index 0000000..6899865
--- /dev/null
+++ b/lib/parsers.js
@@ -0,0 +1,60 @@
+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
+};