1 /* 2 SpiderGL Computer Graphics Library 3 Copyright (c) 2010, Marco Di Benedetto - Visual Computing Lab, ISTI - CNR 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 * Neither the name of SpiderGL nor the 14 names of its contributors may be used to endorse or promote products 15 derived from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 18 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 DISCLAIMED. IN NO EVENT SHALL PAUL BRUNT BE LIABLE FOR ANY 21 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /** 30 * @fileOverview Namespace 31 */ 32 33 /** 34 * The SpiderGL namespace. 35 * 36 * @namespace The SpiderGL namespace. 37 */ 38 var SpiderGL = { }; 39 40 /** 41 * Utility tag for any use. 42 * 43 * @type any 44 */ 45 SpiderGL.TAG = 0; 46 47 /** 48 * Publishes SpiderGL modules content to a global object. 49 * 50 * The effect is to pollute the global object with the SpiderGL symbols. At the same time, it allows a faster and less verbose code. 51 * 52 * @param {object} [options] Symbols publishing options. 53 * @param {object} [options.globalObject=SpiderGL.openNamespace.DEFAULT_GLOBAL_OBJECT] The global object to which inject SpiderGL symbols. 54 * @param {string} [options.constantPrefix=SpiderGL.openNamespace.DEFAULT_CONSTANT_PREFIX] String prefix for constants. 55 * @param {string} [options.functionPrefix=SpiderGL.openNamespace.DEFAULT_FUNCTION_PREFIX] String prefix for functions. The first letter of the function identifier will be made capital. 56 * @param {string} [options.classPrefix=SpiderGL.openNamespace.DEFAULT_CLASS_PREFIX] String prefix for classes and sub-modules. 57 */ 58 SpiderGL.openNamespace = function (options) { 59 options = SpiderGL.Utility.getDefaultObject({ 60 globalObject : SpiderGL.openNamespace.DEFAULT_GLOBAL_OBJECT, 61 constantPrefix : SpiderGL.openNamespace.DEFAULT_CONSTANT_PREFIX, 62 functionPrefix : SpiderGL.openNamespace.DEFAULT_FUNCTION_PREFIX, 63 classPrefix : SpiderGL.openNamespace.DEFAULT_CLASS_PREFIX 64 }, options); 65 66 var constantRegExp = new RegExp("^(([_\$0-9A-Z])+)$"); 67 function isConstant(name) { 68 return constantRegExp.test(name); 69 } 70 71 var namespaceOrClassRegExp = new RegExp("^([A-Z])"); 72 function isNamespaceOrClass(name) { 73 return (namespaceOrClassRegExp.test(name) && !isConstant(name)); 74 } 75 76 var functionRegExp = new RegExp("^(([a-z])+([_\$0-9A-Za-z])*)$"); 77 function isFunction(name) { 78 return functionRegExp.test(name); 79 } 80 81 function initialCap(name) { 82 return (name.substr(0, 1).toUpperCase() + name.substr(1)); 83 } 84 85 var classes = { }; 86 var functions = { }; 87 var constants = { }; 88 89 function collect(module) { 90 if (!module) return; 91 for (var x in module) { 92 if (x.substr(0, 1) == "_") continue; 93 var y = module[x]; 94 if (isNamespaceOrClass(x)) { 95 //if (classes[x]) log("Duplicate: " + x); 96 classes[x] = y; 97 } 98 else if (isFunction(x)) { 99 //if (functions[x]) log("Duplicate: " + x); 100 functions[x] = y; 101 } 102 else if (isConstant(x)) { 103 //if (constants[x]) log("Duplicate: " + x); 104 constants[x] = y; 105 } 106 else { 107 //log("Unknown : " + x); 108 } 109 } 110 } 111 112 var modules = [ 113 "Core", 114 "DOM", 115 "IO", 116 "Math", 117 "Mesh", 118 "Model", 119 "Semantic", 120 "Space", 121 "Type", 122 "UserInterface", 123 "Utility", 124 "Version", 125 "WebGL" 126 ]; 127 128 for (var x in modules) { 129 collect(SpiderGL[modules[x]]); 130 } 131 132 for (var x in classes) { 133 var name = options.classPrefix + initialCap(x); 134 //log("CLASS : " + name); 135 options.globalObject[name] = classes[x]; 136 } 137 138 for (var x in functions) { 139 var name = options.functionPrefix + initialCap(x); 140 //log("FUNCTION : " + name); 141 options.globalObject[name] = functions[x]; 142 } 143 144 for (var x in constants) { 145 var name = options.constantPrefix + initialCap(x); 146 //log("CONSTANT : " + name); 147 options.globalObject[name] = constants[x]; 148 } 149 }; 150 151 /** 152 * Default publishing global object. 153 * 154 * @type object 155 * 156 * @default window 157 */ 158 SpiderGL.openNamespace.DEFAULT_GLOBAL_OBJECT = window; 159 160 /** 161 * Default publishing prefix for constant symbols. 162 * 163 * @type string 164 * 165 * @default "SGL_" 166 */ 167 SpiderGL.openNamespace.DEFAULT_CONSTANT_PREFIX = "SGL_"; 168 169 /** 170 * Default publishing prefix for function symbols. 171 * 172 * @type string 173 * 174 * @default "sgl" 175 */ 176 SpiderGL.openNamespace.DEFAULT_FUNCTION_PREFIX = "sgl"; 177 178 /** 179 * Default publishing prefix for classes and sub-modules symbols. 180 * 181 * @type string 182 * 183 * @default "Sgl" 184 */ 185 SpiderGL.openNamespace.DEFAULT_CLASS_PREFIX = "Sgl"; 186