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Generator.js
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Generator.js
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#!/usr/bin/env node
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var marked = require('marked');
var fs = require('fs');
var path = require('path');
var os = require('os');
var findMarkdownFile = require('./lib/find-markdown-file.js');
var getConfigForMarkdownFile = require('./lib/get-config-for-markdown-file.js');
var html = require('./html.js');
var json = require('./json.js');
var Generator = function(outputStream, format, template){
this.outputStream = outputStream;
this.template = template;
this.format = format;
};
Generator.prototype.generate = function(inputFile, cb){
var self = this;
fs.readFile(inputFile, 'utf8', function(er, input) {
if (er) throw er;
// process the input for @include lines
self.processIncludes(input, path.dirname(inputFile), function(err, input){
self.next.call(self, err, input, inputFile, cb);
});
});
};
var includeExpr = /^@include\s+([A-Za-z0-9-_#@]+)(?:\.)?([a-zA-Z]*)$/gmi;
var includeData = {};
Generator.prototype.processIncludes = function(input, activeDir, cb) {
debugger;
var self = this;
var includes = input.match(includeExpr);
if (includes === null) return cb(null, input);
var errState = null;
console.error(includes);
var incCount = includes.length;
if (incCount === 0) cb(null, input);
includes.forEach(function(include) {
var fname = include.replace(/^@include\s+/, '');
findMarkdownFile(path.resolve(activeDir, fname), function(err, file) {
if (err) throw err;
if (includeData.hasOwnProperty(file)) {
input = input.split(include).join(includeData[file]);
incCount--;
if (incCount === 0) {
return cb(null, input);
}
return;
}
var fullFname = path.resolve(activeDir, file);
fs.readFile(fullFname, 'utf8', function(err, inc) {
if (errState) return;
if (err) return cb(errState = err);
self.processIncludes(inc, activeDir, function(err, inc) {
if (errState) return;
if (err) return cb(errState = err);
incCount--;
includeData[file] = inc;
input = input.split(include + os.EOL).join(
includeData[file] + os.EOL);
if (incCount === 0) {
return cb(null, input);
}
});
});
});
});
}
Generator.prototype.next = function(er, input, inputFile, cb)
{
debugger;
var self = this;
if (er) throw er;
switch (this.format) {
case 'json':
json(input, inputFile, function(er, obj) {
if (er) throw er;
self.outputStream.write(JSON.stringify(obj, null, 2));
cb();
});
break;
case 'html':
var configObj = getConfigForMarkdownFile(inputFile);
html(input, inputFile, this.template, configObj, function(er, html) {
if (er) throw er;
self.outputStream.write(html);
cb();
});
break;
default:
throw new Error('Invalid format: ' + format);
}
}
module.exports = Generator;