/**

	@constructor

	@param [opt] Used to override the commandline options. Useful for testing.

	@version $Id: JsDoc.js 773 2009-01-24 09:42:04Z micmath $

*/

JSDOC.JsDoc = function(/**object*/ opt) {

	if (opt) {

		JSDOC.opt = opt;

	}

	if (JSDOC.opt.h) {

		JSDOC.usage();

		quit();

	}

	// defend against options that are not sane 

	if (JSDOC.opt._.length == 0) {

		LOG.warn("No source files to work on. Nothing to do.");

		quit();

	}

	if (JSDOC.opt.t === true || JSDOC.opt.d === true) {

		JSDOC.usage();

	}

	if (typeof JSDOC.opt.d == "string") {

		if (!JSDOC.opt.d.charAt(JSDOC.opt.d.length-1).match(/[\\\/]/)) {

			JSDOC.opt.d = JSDOC.opt.d+"/";

		}

		LOG.inform("Output directory set to '"+JSDOC.opt.d+"'.");

		IO.mkPath(JSDOC.opt.d);

	}

	if (JSDOC.opt.e) IO.setEncoding(JSDOC.opt.e);

	// the -r option: scan source directories recursively

	if (typeof JSDOC.opt.r == "boolean") JSDOC.opt.r = 10;

	else if (!isNaN(parseInt(JSDOC.opt.r))) JSDOC.opt.r = parseInt(JSDOC.opt.r);

	else JSDOC.opt.r = 1;

	// the -D option: define user variables

	var D = {};

	if (JSDOC.opt.D) {

		for (var i = 0; i < JSDOC.opt.D.length; i++) {

			var defineParts = JSDOC.opt.D[i].split(":", 2);

			if (defineParts) D[defineParts[0]] = defineParts[1];

		}

	}

	JSDOC.opt.D = D;

	// combine any conf file D options with the commandline D options

	if (defined(JSDOC.conf)) for (var c in JSDOC.conf.D) {

 		if (!defined(JSDOC.opt.D[c])) {

 			JSDOC.opt.D[c] = JSDOC.conf.D[c];

 		}

 	}

	// Give plugins a chance to initialize

	if (defined(JSDOC.PluginManager)) {

		JSDOC.PluginManager.run("onInit", JSDOC.opt);

	}

	JSDOC.opt.srcFiles = JSDOC.JsDoc._getSrcFiles();

	JSDOC.JsDoc._parseSrcFiles();

	JSDOC.JsDoc.symbolSet = JSDOC.Parser.symbols;

}

/**

	Retrieve source file list.

	@returns {String[]} The pathnames of the files to be parsed.

 */

JSDOC.JsDoc._getSrcFiles = function() {

	JSDOC.JsDoc.srcFiles = [];

	var ext = ["js"];

	if (JSDOC.opt.x) {

		ext = JSDOC.opt.x.split(",").map(function($) {return $.toLowerCase()});

	}

	for (var i = 0; i < JSDOC.opt._.length; i++) {

		JSDOC.JsDoc.srcFiles = JSDOC.JsDoc.srcFiles.concat(

			IO.ls(JSDOC.opt._[i], JSDOC.opt.r).filter(

				function($) {

					var thisExt = $.split(".").pop().toLowerCase();

					if (JSDOC.opt.E) {

						for(var n = 0; n < JSDOC.opt.E.length; n++) {

							if ($.match(new RegExp(JSDOC.opt.E[n]))) {

								LOG.inform("Excluding " + $);

								return false; // if the file matches the regex then it's excluded.

							}

						}

					}

					return (ext.indexOf(thisExt) > -1); // we're only interested in files with certain extensions

				}

			)

		);

	}

	return JSDOC.JsDoc.srcFiles;

}

JSDOC.JsDoc._parseSrcFiles = function() {

	JSDOC.Parser.init();

	for (var i = 0, l = JSDOC.JsDoc.srcFiles.length; i < l; i++) {

		var srcFile = JSDOC.JsDoc.srcFiles[i];

		if (JSDOC.opt.v) LOG.inform("Parsing file: " + srcFile);

		try {

			var src = IO.readFile(srcFile);

		}

		catch(e) {

			LOG.warn("Can't read source file '"+srcFile+"': "+e.message);

		}

		var tr = new JSDOC.TokenReader();

		var ts = new JSDOC.TokenStream(tr.tokenize(new JSDOC.TextStream(src)));

		JSDOC.Parser.parse(ts, srcFile);

	}

	JSDOC.Parser.finish();

	if (JSDOC.PluginManager) {

		JSDOC.PluginManager.run("onFinishedParsing", JSDOC.Parser.symbols);

	}

}