build.js

#!/usr/bin/env node
/*
GLGE WebGL Graphics Engine
Copyright (c) 2010, Paul Brunt
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of GLGE nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL PAUL BRUNT BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

(function(){
//require.paths.push(".");
	
var sys=require('util');
var fs=require('fs');
	

var TYPE="all"; // Default Type

var FLAGS={
	all:{
		core:true, particles:true, md2:true, md3:true, filter2d:true, collada:true, input:true, wavefront:true, openctm:true, physics:true, devtemplate:true, uglify:true, documents:true, preloader:true, gui:true
	},
	scripts:{
		core:true, particles:true, md2:true, md3:true, filter2d:true, collada:true,  input:true, physics:true, wavefront:true, openctm:true, uglify:true, gui:true, preloader:true
	},
	docs:{
		core:false, particles:false, md2:false, md3:true, filter2d:false, collada:false,  input:false, wavefront:false, openctm:false, documents:true
	},
	dev:{
		devtemplate:true
	}
}

var isHelp=false;

//parse command line argments
process.argv.forEach(function (val, index, array) {
	if(val=="--help"){
		sys.print('GLGE Build Script\n');
		sys.print('Usage:\n');
		sys.print('build [type] [options]\n');
		sys.print('eg building scripts without collada support,\n build SCRIPTS --without-collada\n');
		sys.print('\n');
		sys.print('Types:\n');
		sys.print('all - (DEFAULT) build all options\n');
		sys.print('scripts - build the compiled script and uglify\n');
		sys.print('docs - build documents\n');
		sys.print('dev - build development template\n');
		sys.print('\n');
		sys.print('Options:\n');
		sys.print('--without-particle  : builds without particle support\n');
		sys.print('--without-filter2d  : builds without filters support\n');
		sys.print('--without-md2  : builds without filters support\n');
		sys.print('--without-md3  : builds without filters support\n');
		sys.print('--without-collada  : builds without collada support\n');
		sys.print('--without-wavefront  : builds without wavefront obj support\n');
		sys.print('--without-openctm  : builds without OpenCTM support\n');
		sys.print('--without-input  : builds without input device support\n');
		sys.print('--without-physics  : builds without jiglibjs physics support\n');
		sys.print('--without-uglify  : builds without using the uglify JS compiler\n');
		sys.print('--without-devtemplate  : (DEFAULT) builds a html development template\n');
		sys.print('--without-documents  : (DEFAULT) builds the docs using the node-jsdoc-toolkit\n');
		sys.print('\n');
		sys.print('--with-particle  : (DEFAULT) builds with particle support\n');
		sys.print('--with-filter2d  : (DEFAULT) builds with filters support\n');
		sys.print('--with-md2  : (DEFAULT) builds with filters support\n');
		sys.print('--with-md3  : (DEFAULT) builds with filters support\n');
		sys.print('--with-collada  : (DEFAULT) builds with collada support\n');
		sys.print('--with-wavefront  : (DEFAULT) builds with wavefront obj support\n');
		sys.print('--with-openctm  : (DEFAULT) builds with OpenCTM support\n');
		sys.print('--with-input  : (DEFAULT) builds with input device support\n');
		sys.print('--with-physics  : builds with jiglibjs physics support\n');
		sys.print('--with-uglify  : (DEFAULT) builds using the uglify JS compiler\n');
		sys.print('--with-devtemplate  : builds a html development template\n');
		sys.print('--with-documents  : builds the docs using the node-jsdoc-toolkit\n');
		isHelp=true;
		return;
	};
	if(FLAGS[val]){
		FLAGS=FLAGS[val];
		TYPE=val;
	}
	if(val.substr(0,10)=="--without-"){
		if(FLAGS[TYPE]) FLAGS=FLAGS[TYPE];
		FLAGS[val.substr(10)]=false;
	};
	if(val.substr(0,7)=="--with-"){
		if(FLAGS[TYPE]) FLAGS=FLAGS[TYPE];
		FLAGS[val.substr(7)]=true;
	};
});

//if type not set then use default
if(FLAGS[TYPE]) FLAGS=FLAGS[TYPE];
console.log
//if this is just a help request then simply return here
if(isHelp) return;
	
if(FLAGS.uglify){
	try{
		var jsp = require("./external/uglifyjs/lib/parse-js");
		var pro = require("./external/uglifyjs/lib/process");
	}catch(e){
		FLAGS.uglify=false;
		sys.print(">> ERROR: UglifyJS unavailable\n");
	}
}

var FILES={
	core:["src/core/glge.js","src/core/glge_math.js","src/core/glge_animatable.js","src/core/glge_document.js","src/core/glge_event.js","src/core/glge_group.js","src/core/glge_jsonloader.js","src/core/glge_messages.js","src/core/glge_placeable.js","src/core/glge_quicknote.js","src/animation/glge_action.js","src/animation/glge_actionchannel.js","src/animation/glge_animationcurve.js","src/animation/glge_animationvector.js","src/animation/glge_animationpoints.js","src/geometry/glge_mesh.js","src/geometry/glge_sphere.js","src/material/glge_material.js","src/material/glge_materiallayer.js","src/material/glge_multimaterial.js","src/material/glge_texture.js","src/material/glge_texturecamera.js","src/material/glge_texturecameracube.js","src/material/glge_texturecanvas.js","src/material/glge_texturecube.js","src/material/glge_texturevideo.js","src/renderable/glge_lod.js","src/renderable/glge_object.js","src/renderable/glge_text.js","src/renders/glge_renderer.js","src/scene/glge_camera.js","src/scene/glge_light.js","src/scene/glge_scene.js"],
	particles:["src/extra/glge_particles.js"],
	collada:["src/extra/glge_collada.js"],
	filter2d:["src/extra/glge_filter2d.js","src/extra/filters/glge_filter_glow.js","src/extra/filters/glge_filter_ao.js"],
	md2:["src/extra/glge_md2.js"],
	md3:["src/extra/glge_md3.js"],
	input:["src/extra/glge_input.js"],
	wavefront:["src/extra/glge_wavefront.js"],
	openctm:["src/extra/glge_openctm.js"],
	physics:["src/physics/glge_physicsext.js","src/physics/glge_physicsabstract.js","src/physics/glge_physicsbox.js","src/physics/glge_physicsmesh.js","src/physics/glge_physicsplane.js","src/physics/glge_physicssphere.js","src/physics/glge_physicsconstraintpoint.js","src/physics/glge_physicscar.js"],
	preloader:["src/preloader/glge_documentpreloader.js", "src/preloader/glge_filepreloader.js"],
	gui:["src/gui/gui.js", "src/gui/gadget.js", "src/gui/preloader_gadget.js"]
};

var DEPENDS={
	"src/core/glge_math.js":[],
	"src/core/glge.js":["src/core/glge_math.js"],
	"src/core/glge_animatable.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/core/glge_document.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/core/glge_event.js":["src/core/glge.js","src/core/glge_math.js"],
	"src/core/glge_group.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_quicknote.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js"],
	"src/scene/glge_camera.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/scene/glge_light.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/scene/glge_scene.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_group.js","src/core/glge_quicknote.js"],
	"src/renders/glge_renderer.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/renderable/glge_lod.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/renderable/glge_object.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/renderable/glge_text.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/geometry/glge_mesh.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_material.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_materiallayer.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_multimaterial.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_texture.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_texturecamera.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_texturecameracube.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_texturevideo.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_texturecube.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/material/glge_texturecanvas.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/animation/glge_animationpoints.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/animation/glge_animationvector.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/animation/glge_animationcurve.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/animation/glge_actionchannel.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/animation/glge_action.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/core/glge_quicknote.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js"],
	"src/core/glge_placeable.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/core/glge_messages.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/core/glge_jsonloader.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/extra/glge_particles.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/extra/glge_collada.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/core/glge_group.js","src/core/glge_quicknote.js"],
	"src/extra/glge_filter2d.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/extra/filters/glge_filter_glow.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js","src/extra/glge_filter2d.js"],
	"src/extra/filters/glge_filter_ao.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js","src/extra/glge_filter2d.js"],
	"src/extra/glge_input.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_event.js","src/core/glge_quicknote.js"],
	"src/extra/glge_wavefront.js":["src/core/glge.js","src/core/glge_math.js","src/core/glge_placeable.js","src/core/glge_animatable.js","src/core/glge_jsonloader.js","src/core/glge_event.js","src/core/glge_event.js","src/renderable/glge_object.js","src/core/glge_quicknote.js"],
	"src/physics/glge_physicsext.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js"],
	"src/physics/glge_physicsabstract.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js"],
	"src/physics/glge_physicsbox.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js","src/physics/glge_physicsabstract.js"],
	"src/physics/glge_physicsmesh.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js","src/physics/glge_physicsabstract.js"],
	"src/physics/glge_physicsplane.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js","src/physics/glge_physicsabstract.js"],
	"src/physics/glge_physicssphere.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js","src/physics/glge_physicsabstract.js"],
	"src/physics/glge_physicsconstraintpoint.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js","src/physics/glge_physicsabstract.js"],
	"src/physics/glge_physicscar.js":["src/core/glge.js","src/core/glge_math.js","src/scene/glge_scene.js","src/physics/glge_physicsabstract.js"],
	"src/extra/glge_md2.js":["src/renderable/glge_object.js"],
	"src/extra/glge_md3.js":["src/renderable/glge_object.js"],
	"src/extra/glge_openctm.js":["src/renderable/glge_object.js", "src/extra/ctm.js"],
	"src/extra/ctm.js":["src/extra/lzma.js"],
	"src/preloader/glge_documentpreloader.js":["src/preloader/glge_filepreloader.js"],
	"src/preloader/glge_filepreloader.js":["src/core/glge.js", "src/core/glge_event.js"], 
	"src/gui/preloader_gadget.js":["src/gui/gadget.js"],
	"src/gui/gadget.js":["src/gui/gui.js"],
	"src/gui/gui.js":["src/core/glge.js"],
	"src/geometry/glge_sphere.js":["src/geometry/glge_mesh.js"]
};

sys.print("Generating file list\n");


var getFileList=function(list,all){
	var addDepends=function(file,list){
		if(DEPENDS[file]){
			for(var i=0;i<DEPENDS[file].length;i++){
				addDepends(DEPENDS[file][i],list);
				if(list.indexOf(DEPENDS[file][i])<0) list.push(DEPENDS[file][i]);
			};
		};
	};
	if(!list) list=[];
	for(FLAG in FLAGS){
		if((FLAGS[FLAG] || all) && FILES[FLAG]){
			for(var i=0;i<FILES[FLAG].length;i++){
				addDepends(FILES[FLAG][i],list);
				if(list.indexOf(FILES[FLAG][i])<0) list.push(FILES[FLAG][i]);
			};
		};
	};
	return list;
}

var fileList=getFileList();
if(FLAGS.devtemplate){
	
}
var output=[];
for(var i=0;i<fileList.length;i++){
	sys.print("Importing: "+fileList[i]+"\n");
	output.push(fs.readFileSync(fileList[i]));
}

if(fileList.length>0){
	sys.print("Writing aggregated javascript: glge-compiled.js\n");
	output=output.join("");
	fs.writeFileSync('glge-compiled.js',output);

	var match = output.match(/^\s*(\/\*[\s\S]+?\*\/)/);
	var license = match[0];
	license = license.replace(/^\s*\/\*/, '/*!');

	if(FLAGS.uglify){
		sys.print("Parsing Javascript\n");
		var ast = jsp.parse(output); 
		sys.print("Minifiying..\n");
		ast = pro.ast_mangle(ast);
		sys.print("Optimizing..\n");
		ast = pro.ast_squeeze(ast); 
		sys.print("Generating minified code\n");
		var final_code = license + "\n" + pro.gen_code(ast);
		sys.print("Writing minimized javascript: glge-compiled-min.js\n");
		fs.writeFileSync('glge-compiled-min.js',final_code);
	}
}
var files=getFileList([],true);

if(FLAGS.devtemplate){
	var html=["<!doctype html>\n<head>\n<title>Development Template</title>\n"];
	for(var i=0;i<files.length;i++){
		if(FLAGS.devtemplate){
			html.push('<script type="text/javascript" src="'+files[i]+'"></script>\n');
		}
	}
	html.push('</head>\n<body>\n<canvas id="canvas"></canvas>\n</body>\n</html>');
	sys.print("Writing development template: devtemplate.html\n");
	fs.writeFileSync('devtemplate.html',html.join(""));
}
if(FLAGS.documents){
	if(files.length){
		var spawn = require('child_process').spawn,
		cmd  = spawn('node', ["external/jsdoc-toolkit/app/run.js","-a","-d=docs","-t=external/jsdoc-toolkit/templates/jsdoc"].concat(files));
		sys.print("Generating Documents\n");
		cmd.stdout.on('data', function (data) {
			sys.print(data);
		});

		// check exit-code
		cmd.on('exit', function (code) {
			if(code==0) sys.print("Build Complete!\n");
				else sys.print("Build Complete! Exit with code: "+code+"\n");
		});

		// check for errors
		cmd.stderr.on('data', function (error) {
			if (/^execvp\(\)/.test(error.asciiSlice(0,error.length))) {
				console.log('Failed to start child process.');
			}
		});
	}else{
		sys.print("Build Complete!\n");
	}
}else{
	sys.print("Build Complete!\n");
}
	
})();