1 files changed, 242 insertions, 0 deletions
diff --git a/lib/configuration.js b/lib/configuration.js
new file mode 100644
index 0000000..578f4e2
--- /dev/null
+++ b/lib/configuration.js
@@ -0,0 +1,242 @@
+var _ = require("lodash");
+var Q = require("q");
+var path = require("path");
+var semver = require('semver');
+
+var pkg = require('../package.json');
+var fs = require("./utils/fs");
+var i18n = require("./utils/i18n");
+
+// Default plugins added to each books
+var defaultsPlugins = [];
+
+// Normalize a list of plugins to use
+function normalizePluginsList(plugins) {
+    // Normalize list to an array
+    plugins = _.isString(plugins) ? plugins.split(",") : (plugins || []);
+
+    // Remove empty parts
+    plugins = _.compact(plugins);
+
+    // Divide as {name, version} to handle format like "myplugin@1.0.0"
+    plugins = _.map(plugins, function(plugin) {
+        if (plugin.name) return plugin;
+
+        var parts = plugin.split("@");
+        return {
+            'name': parts[0],
+            'version': parts[1] // optional
+        }
+    });
+
+    // List plugins to remove
+    var toremove = _.chain(plugins)
+    .filter(function(plugin) {
+        return plugin.name.length > 0 && plugin.name[0] == "-";
+    })
+    .map(function(plugin) {
+        return plugin.name.slice(1);
+    })
+    .value();
+
+    // Merge with defaults
+    plugins = _.chain(plugins)
+    .concat(_.map(defaultsPlugins, function(plugin) {
+        return { 'name': plugin }
+    }))
+    .uniq()
+    .value();
+
+    // Build final list
+    plugins = _.filter(plugins, function(plugin) {
+        return !_.contains(toremove, plugin.name) && !(plugin.name.length > 0 && plugin.name[0] == "-");
+    });
+
+    return plugins;
+}
+
+// Normalize a list of plugin name to use
+function normalizePluginsNames(plugins) {
+    return _.pluck(normalizePluginsList(plugins), "name");
+};
+
+
+var Configuration = function(book, options) {
+    var that = this;
+
+	this.book = book;
+
+    this.options = _.cloneDeep(Configuration.DEFAULT);
+	this.options = _.merge(this.options, options || {});
+
+    // options.input == book.root
+    Object.defineProperty(this.options, "input", {
+        get: function () {
+            return that.book.root;
+        }
+    });
+};
+
+// Read and parse the configuration
+Configuration.prototype.load = function() {
+	var that = this;
+
+	return Q()
+    .then(function() {
+        try {
+            var _config = require(path.resolve(that.book.root, that.options.configFile));
+            that.options = _.merge(
+            	that.options,
+            	_.omit(_config, 'configFile', 'defaultsPlugins', 'generator', 'extension')
+            );
+        }
+        catch(err) {
+            if (err instanceof SyntaxError) return Q.reject(err);
+            return Q();
+        }
+    })
+    .then(function() {
+        if (!semver.satisfies(pkg.version, that.options.gitbook)) {
+            throw "GitBook version doesn't satisfy version required by the book: "+that.options.gitbook;
+        }
+        if (that.options.gitbook == "*") {
+            that.book.log.warn.ln("you should specify a gitbook version to use in your book.json, for example: "+(_.first(pkg.version.split("."))+".x.x"));
+        }
+
+        that.options.output = path.resolve(that.options.output || path.join(that.book.root, "_book"));
+        that.options.plugins = normalizePluginsList(that.options.plugins);
+        that.options.defaultsPlugins = normalizePluginsList(that.options.defaultsPlugins || "");
+        that.options.plugins = _.union(that.options.plugins, that.options.defaultsPlugins);
+        that.options.plugins = _.uniq(that.options.plugins, "name");
+
+        // Default value for text direction (from language)
+        if (!that.options.direction) {
+            var lang = i18n.getByLanguage(that.options.language);
+            if (lang) that.options.direction = lang.direction;
+        }
+
+        that.options.gitbook = pkg.version;
+    });
+};
+
+// Extend the configuration
+Configuration.prototype.extend = function(options) {
+    _.extend(this.options, options);
+};
+
+// Get structure file
+Configuration.prototype.getStructure = function(name) {
+    return this.options.structure[name].split(".").slice(0, -1).join(".");
+};
+
+// Return normalized language
+Configuration.prototype.normalizeLanguage = function() {
+    return i18n.normalizeLanguage(this.options.language);
+};
+
+
+// Default configuration
+Configuration.DEFAULT = {
+    // Options that can't be extend
+    "configFile": "book",
+    "generator": "site",
+    "extension": null,
+
+    // Book metadats (somes are extracted from the README by default)
+    "title": null,
+    "description": null,
+    "isbn": null,
+    "language": "en",
+    "direction": null,
+
+    // version of gitbook to use
+    "gitbook": "*",
+
+    // Structure
+    "structure": {
+        "langs": "LANGS.md",
+        "readme": "README.md",
+        "glossary": "GLOSSARY.md",
+        "summary": "SUMMARY.md"
+    },
+
+    // CSS Styles
+    "styles": {
+        "website": "styles/website.css",
+        "ebook": "styles/ebook.css",
+        "pdf": "styles/pdf.css",
+        "mobi": "styles/mobi.css",
+        "epub": "styles/epub.css"
+    },
+
+    // Plugins list, can contain "-name" for removing default plugins
+    "plugins": [],
+
+    // Global configuration for plugins
+    "pluginsConfig": {
+        "fontSettings": {
+            "theme": null, //"sepia", "night" or "white",
+            "family": "sans",// "serif" or "sans",
+            "size": 2 // 1 - 4
+        }
+    },
+
+    // Variables for templating
+    "variables": {},
+
+    // Set another theme with your own layout
+    // It's recommended to use plugins or add more options for default theme, though
+    // See https://github.com/GitbookIO/gitbook/issues/209
+    "theme": path.resolve(__dirname, '../theme'),
+
+    // Links in template (null: default, false: remove, string: new value)
+    "links": {
+        // Custom links at top of sidebar
+        "sidebar": {
+            //"Custom link name": "https://customlink.com"
+        },
+
+        // Sharing links
+        "sharing": {
+            "google": null,
+            "facebook": null,
+            "twitter": null,
+            "weibo": null,
+            "all": null
+        }
+    },
+
+
+    // Options for PDF generation
+    "pdf": {
+        // Add toc at the end of the file
+        "toc": true,
+
+        // Add page numbers to the bottom of every page
+        "pageNumbers": false,
+
+        // Font size for the file content
+        "fontSize": 12,
+
+        // Paper size for the pdf
+        // Choices are [u’a0’, u’a1’, u’a2’, u’a3’, u’a4’, u’a5’, u’a6’, u’b0’, u’b1’, u’b2’, u’b3’, u’b4’, u’b5’, u’b6’, u’legal’, u’letter’]
+        "paperSize": "a4",
+
+        // Margin (in pts)
+        // Note: 72 pts equals 1 inch
+        "margin": {
+            "right": 62,
+            "left": 62,
+            "top": 56,
+            "bottom": 56
+        },
+
+        //Header HTML template. Available variables: _PAGENUM_, _TITLE_, _AUTHOR_ and _SECTION_.
+        "headerTemplate": "",
+
+        //Footer HTML template. Available variables: _PAGENUM_, _TITLE_, _AUTHOR_ and _SECTION_.
+        "footerTemplate": ""
+    }
+};
+
+module.exports= Configuration;