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var util = require("util");
var path = require("path");
var Q = require("q");
var _ = require("lodash");
var swig = require('swig');
var fs = require("../fs");
var parse = require("../../parse");
var BaseGenerator = require("../generator");
var indexer = require('./search_indexer');
// Swig filter for returning the count of lines in a code section
swig.setFilter('lines', function(content) {
return content.split('\n').length;
});
// Swig filter for returning a link to the associated html file of a markdown file
swig.setFilter('mdLink', function(link) {
var link = link.replace(".md", ".html");
if (link == "README.html") link = "index.html";
return link;
});
var Generator = function() {
BaseGenerator.apply(this, arguments);
// Attach methods to instance
_.bindAll(this);
this.revision = Date.now();
this.indexer = indexer();
// Load base template
this.template = swig.compileFile(path.resolve(this.options.theme, 'templates/site.html'));
this.langsTemplate = swig.compileFile(path.resolve(this.options.theme, 'templates/langs.html'));
};
util.inherits(Generator, BaseGenerator);
// Generate a template
Generator.prototype._writeTemplate = function(tpl, options, output) {
var that = this;
return Q()
.then(function(sections) {
return tpl(_.extend({
revision: that.revision,
title: that.options.title,
description: that.options.description,
githubAuthor: that.options.github ? that.options.github.split("/")[0] : "",
githubId: that.options.github,
githubHost: that.options.githubHost,
summary: that.options.summary,
allNavigation: that.options.navigation,
plugins: that.plugins
}, options));
})
.then(function(html) {
return fs.writeFile(
output,
html
);
});
};
Generator.prototype.indexPage = function(lexed, pagePath) {
this.indexer.add(lexed, pagePath);
return Q();
};
// Convert a markdown file to html
Generator.prototype.convertFile = function(content, _input) {
var that = this;
var progress = parse.progress(this.options.navigation, _input);
_output = _input.replace(".md", ".html");
if (_output == "README.html") _output = "index.html";
var input = path.join(this.options.input, _input);
var output = path.join(this.options.output, _output);
var basePath = path.relative(path.dirname(output), this.options.output) || ".";
return Q()
.then(function() {
// Lex page
return parse.lex(content);
})
.then(function(lexed) {
// Index page in search
return that.indexPage(lexed, _output)
.then(_.constant(lexed));
})
.then(function(lexed) {
// Get HTML generated sections
return parse.page(lexed, {
repo: that.options.githubId,
dir: path.dirname(_input) || '/',
outdir: path.dirname(_input) || '/',
});
})
.then(function(sections) {
return that._writeTemplate(that.template, {
progress: progress,
_input: _input,
content: sections,
basePath: basePath,
staticBase: path.join(basePath, "gitbook"),
}, output);
});
};
// Generate languages index
Generator.prototype.langsIndex = function(langs) {
var that = this;
var basePath = ".";
return this._writeTemplate(this.langsTemplate, {
langs: langs.list,
basePath: basePath,
staticBase: path.join(basePath, "gitbook"),
}, path.join(this.options.output, "index.html"))
.then(function() {
// Copy assets
return that.copyAssets();
});
};
// Copy assets
Generator.prototype.copyAssets = function() {
var that = this;
// Copy gitbook assets
return fs.copy(
path.join(that.options.theme, "assets"),
path.join(that.options.output, "gitbook")
)
// Copy plugins assets
.then(function() {
return Q.all(
_.map(that.plugins.resources, function(resources, resourceType) {
return Q.all(_.map(resources, function(resource) {
return fs.copy(
resource.path,
path.join(that.options.output, "gitbook/plugins/", resource.id+"."+resourceType)
);
}));
})
);
})
};
// Dump search index to disk
Generator.prototype.writeSearchIndex = function() {
return fs.writeFile(
path.join(this.options.output, 'search_index.json'),
this.indexer.dump()
);
};
Generator.prototype.finish = function() {
return this.copyAssets()
.then(this.writeSearchIndex);
};
module.exports = Generator;
|
