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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>lib/docparser.js - YUIDoc</title>
<link rel="stylesheet" href="http://yui.yahooapis.com/3.7.0/build/cssgrids/cssgrids-min.css">
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<h1 class="file-heading">File: lib/docparser.js</h1>
<div class="file">
<pre class="code prettyprint linenums">
/*
Copyright (c) 2011, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://yuilibrary.com/license/
*/
YUI.add('docparser', function(Y) {
var Lang = Y.Lang,
trim = Lang.trim,
stringify = Y.JSON.stringify,
fixType = Y.Lang.fixType,
/**
* Parses the JSON data and formats it into a nice log string for filename and line number:
`/file/name.js:123`
* @method stringlog
* @private
* @param {Object} data The data block from the parser
* @return {String} The formatted string.
* @for DocParser
*/
stringlog = function(data) {
var line, file;
if (data.file && data.line) {
file = data.file;
line = data.line;
} else {
data.forEach(function(d) {
if (d.tag === 'file') {
file = d.value;
}
if (d.tag === 'line') {
line = d.value;
}
});
}
return ' ' + file + ':' + line;
},
/*
* Flatted a string, remove all line breaks and replace them with a token
* @method implodeString
* @private
* @param {String} str The string to operate on
* @return {String} The modified string
*/
implodeString = function(str) {
return str.replace(REGEX_GLOBAL_LINES, '!~YUIDOC_LINE~!');
},
/*
* Un-flatted a string, replace tokens injected with `implodeString`
* @method implodeString
* @private
* @param {String} str The string to operate on
* @return {String} The modified string
*/
explodeString = function(str) {
return str.replace(/!~YUIDOC_LINE~!/g, '\n');
},
CURRENT_NAMESPACE = 'currentnamespace',
CURRENT_MODULE = 'currentmodule',
MAIN_MODULE = 'mainmodule',
CURRENT_SUBMODULE = 'currentsubmodule',
CURRENT_FILE = 'currentfile',
CURRENT_CLASS = 'currentclass',
REGEX_TYPE = /(.*?)\{(.*?)\}(.*)/,
REGEX_FIRSTWORD = /^\s*?([^\s]+)(.*)/,
REGEX_OPTIONAL = /\[(.*?)\]/,
REGEX_START_COMMENT = {
js: /^\s*\/\*\*/,
coffee: /^\s*###\*/
},
REGEX_END_COMMENT = {
js: /\*\/\s*$/,
coffee: /###\s*$/
},
REGEX_LINE_HEAD_CHAR = {
js: /^\s*\*/,
coffee: /^\s*#/
},
REGEX_LINES = /\r\n|\n/,
REGEX_GLOBAL_LINES = /\r\n|\n/g,
SHORT_TAGS = {
'async': 1,
'beta': 1,
'chainable': 1,
'extends': 1,
'final': 1,
'static': 1,
'optional': 1,
'required': 1
},
/**
* A list of known tags. This populates a member variable
* during initialization, and will be updated if additional
* digesters are added.
* @property TAGLIST
* @type Array
* @final
* @for DocParser
*/
TAGLIST = [
"async", // bool, custom events can fire the listeners in a setTimeout
"author", // author best for projects and modules, but can be used anywhere // multi
"attribute", // YUI attributes -- get/set with change notification, etc
"beta", // module maturity identifier
"broadcast", // bool, events
"bubbles", // custom events that bubble
"category", // modules can be in multiple categories
"chainable", // methods that return the host object
"class", // pseudo class
"conditional", // conditional module
"config", // a config param (not an attribute, so no change events)
"const", // not standardized yet, converts to final property
"constructs", // factory methods (not yet used)
"constructor", // this is a constructor
"contributor", // like author
"default", // property/attribute default value
"deprecated", // please specify what to use instead
"description", // can also be free text at the beginning of a comment is
"emitfacade", // bool, YUI custom event can have a dom-like event facade
"event", // YUI custom event
"evil", // uses eval
"extension", // this is an extension for [entity]
"extensionfor", // this is an extension for [entity]
"extension_for", // this is an extension for [entity]
"example", // 0..n code snippets. snippets can also be embedded in the desc
"experimental", // module maturity identifier
"extends", // pseudo inheritance
"file", // file name (used by the parser)
"final", // not meant to be changed
"fireonce", // bool, YUI custom event config allows
"for", // used to change class context
"global", // declare your globals
"icon", // project icon(s)
"in", // indicates module this lives in (obsolete now)
"initonly", // attribute writeonce value
"injects", // injects {HTML|script|CSS}
"knownissue", // 0..n known issues for your consumption
"line", // line number for the comment block (used by the parser)
"method", // a method
"module", // YUI module name
"main", // Description for the module
"namespace", // Y.namespace, used to fully qualify class names
"optional", // For optional attributes
"required", // For required attributes
"param", // member param
"plugin", // this is a plugin for [entityl]
"preventable", // YUI custom events can be preventable ala DOM events
"private", // > access
"project", // project definition, one per source tree allowed
"property", // a regular-ole property
"protected", // > access
"public", // > access
"queuable", // bool, events
"readonly", // YUI attribute config
"requires", // YUI module requirements
"return", // {type} return desc -- returns is converted to this
"see", // 0..n things to look at
"since", // when it was introduced
"static", // static
"submodule", // YUI submodule
"throws", // {execption type} description
"title", // this should be something for the project description
"todo", // 0..n things to revisit eventually (hopefully)
"type", // the var type
"url", // project url(s)
"uses", // 0..n compents mixed (usually, via augment) into the prototype
"value", // the value of a constant
"writeonce" // YUI attribute config
],
/**
* Common errors will get scrubbed instead of being ignored.
* @property CORRECTIONS
* @type Object
* @final
* @for DocParser
*/
CORRECTIONS = {
'augments': 'uses', // YUI convention for prototype mixins
'depreciated': 'deprecated', // subtle difference
'desciption': 'description', // shouldn't need the @description tag at all
'extend': 'extends', // typo
'function': 'method', // we may want standalone inner functions at some point
'member': 'method', // probably meant method
'parm': 'param', // typo
'params': 'param', // typo
'pamra': 'param', // typo
'parma': 'param', // typo
'propery': 'property', // typo
'prop': 'property', // probably meant property
'returns': 'return' // need to standardize on one or the other
},
/**
* A map of the default tag processors, keyed by the
* tag name. Multiple tags can use the same digester
* by supplying the string name that points to the
* implementation rather than a function.
* @property DIGESTERS
* @type Object
* @final
* @for DocParser
*/
DIGESTERS = {
// "params": [
// {
// "name": "optionalandmultiple",
// "description": "my desc",
// "type": "string",
// "optional": true, // [surroundedbybrackets]
// "optdefault": "if specified, this is always string to avoid syntax errors @TODO",
// "multiple": true // endswith*
// }
// ],
// @param {type} name description -or-
// @param name {type} description
// #2173362 optional w/ or w/o default
// @param {type} [optvar=default] description
// #12 document config objects
// @param {object|config} config description
// @param {type} config.prop1 description
// @param {type} config.prop2 description
// #11 document callback argument signature
// @param {callback|function} callback description
// @param {type} callback.arg1 description
// @param {type} callback.arg2 description
// #2173362 document event facade decorations for custom events
// @param {event} event description
// @param {type} event.child description
// @param {type} event.index description
// @param name* {type} 1..n description
// @param [name]* {type} 0..n description
'param': function(tagname, value, target, block) {
// Y.log('param digester' + value);
target.params = target.params || [];
if (!value) {
Y.log('param name/type/descript missing: ' + stringlog(block), 'warn', 'docparser');
return;
}
var type, name, optional, optdefault, parent, multiple, len,
desc = implodeString(trim(value)),
match = REGEX_TYPE.exec(desc),
host = target.params;
// Extract {type}
if (match) {
type = fixType(trim(match[2]));
desc = trim(match[1] + match[3]);
}
// extract the first word, this is the param name
match = REGEX_FIRSTWORD.exec(desc);
if (match) {
name = trim(match[1]);
desc = trim(match[2]);
}
if (!name) {
if (value && value.match(/callback/i)) {
Y.log('Fixing missing name for callback:' + stringlog(block), 'warn', 'docparser');
name = 'callback';
type = 'Callback';
} else {
Y.log('param name missing: ' + value + ':' + stringlog(block), 'warn', 'docparser');
name = 'UNKNOWN';
}
}
len = name.length - 1;
if (name.charAt(len) == '*') {
multiple = true;
name = name.substr(0, len);
}
// extract [name], optional param
if (name.indexOf('[') > -1) {
match = REGEX_OPTIONAL.exec(name);
if (match) {
optional = true;
name = trim(match[1]);
// extract optional=defaultvalue
parts = name.split('=');
if (parts.length > 1) {
name = parts[0];
optdefault = parts[1];
//Add some shortcuts for object/array defaults
if (optdefault.toLowerCase() == 'object') {
optdefault = '{}';
}
if (optdefault.toLowerCase() == 'array') {
optdefault = '[]';
}
}
}
}
// parse object.prop, indicating a child property for object
if (name.indexOf('.') > -1) {
match = name.split('.');
parent = trim(match[0]);
Y.each(target.params, function(param) {
if (param.name == parent) {
param.props = param.props || [];
host = param.props;
match.shift();
name = trim(match.join('.'));
if (match.length > 1) {
var pname = name.split('.')[0],
par;
Y.each(param.props, function(o) {
if (o.name === pname) {
par = o;
}
});
if (par) {
match = name.split('.');
match.shift();
name = match.join('.');
par.props = par.props || [];
host = par.props;
}
}
}
});
}
result = {
name: name,
description: explodeString(desc)
};
if (type) {
result.type = type;
}
if (optional) {
result.optional = true;
if (optdefault) {
result.optdefault = optdefault;
}
}
if (multiple) {
result.multiple = true;
}
host.push(result);
},
// @return {type} description // methods
// @returns {type} description // methods
// @throws {type} an error #2173342
// @injects {HTML|CSS|script} description
// can be used by anthing that has an optional {type} and a description
'return': function(tagname, value, target, block) {
var desc = implodeString(trim(value)), type,
match = REGEX_TYPE.exec(desc),
result = {};
if (match) {
type = fixType(trim(match[2]));
desc = trim(match[1] + match[3]);
}
result = {
description: explodeString(desc)
};
if (type) {
result.type = type;
}
target[tagname] = result;
},
'throws': 'return',
'injects': 'return',
// trying to overwrite the constructor value is a bad idea
'constructor': function(tagname, value, target, block) {
target.is_constructor = 1;
},
// @author {twitter: @arthurdent | github: ArthurDent}
// Arthur Dent adent@h2g2.earth #23, multiple // modules/class/method
// 'author': function(tagname, value, target, block) {
// // Y.log('author digester');
// },
// A key bock type for declaring modules and submodules
// subsequent class and member blocks will be assigned
// to this module.
'module': function(tagname, value, target, block) {
this.set(CURRENT_MODULE, value);
var go = true;
Y.some(block, function(o) {
if (trim(o.tag) == 'submodule') {
go = false;
return true;
}
});
if (go) {
if (!this.get(MAIN_MODULE)) {
var o = {
tag: tagname,
name: value,
file: target.file,
line: target.line,
description: target.description
};
this.set(MAIN_MODULE, o);
}
host = this.modules[value];
return host;
}
return null;
},
//Setting the description for the module..
'main': function(tagname, value, target, block) {
var o = target;
o.mainName = value;
o.tag = tagname;
o.itemtype = 'main';
o._main = true;
this.set(MAIN_MODULE, o);
},
// accepts a single project definition for the source tree
'project': function(tagname, value, target, block) {
return this.project;
},
// A key bock type for declaring submodules. subsequent class and
// member blocks will be assigned to this submodule.
'submodule': function(tagname, value, target, block) {
//console.log('Setting current submodule: ', value, 'on class');
this.set(CURRENT_SUBMODULE, value);
var host = this.modules[value],
clazz = this.get(CURRENT_CLASS),
parent = this.get(CURRENT_MODULE);
if (parent) {
host.module = parent;
}
if (clazz && this.classes[clazz]) {
//console.log('Adding submodule', value , 'to class', clazz, ' it has submodule', this.classes[clazz].submodule);
//if (!this.classes[clazz].submodule) {
//console.log('REALLY Adding submodule', value , 'to class', clazz);
this.classes[clazz].submodule = value;
//}
}
return host;
},
// A key bock type for declaring classes, subsequent
// member blocks will be assigned to this class
'class': function(tagname, value, target, block) {
var _namespace, _value = value;
block.forEach(function(def) {
if (def.tag === 'namespace') {
//We have a namespace, augment the name
var name = trim(def.value) + '.' + value;
if (value.indexOf(trim(def.value) + '.') === -1) {
value = name;
_namespace = trim(def.value);
}
}
});
if (_namespace) {
this.set(CURRENT_NAMESPACE, _namespace);
}
this.set(CURRENT_CLASS, value);
var fullname = this.get(CURRENT_CLASS);
var host = this.classes[fullname],
parent = this.get(CURRENT_MODULE);
if (_namespace) {
host.namespace = _namespace;
}
if (parent) {
host.module = parent;
}
//Merge host and target in case the class was defined in a "for" tag
//before it was defined in a "class" tag
host = Y.merge(host, target);
this.classes[fullname] = host;
parent = this.get(CURRENT_SUBMODULE);
if (parent) {
//this.set(CURRENT_SUBMODULE, parent);
host.submodule = parent;
}
return host;
},
// change 'const' to final property
'const': function(tagname, value, target, block) {
target.itemtype = 'property';
target.name = value;
target['final'] = '';
},
// supported classitems
'property': function(tagname, value, target, block) {
var match, name, desc;
target.itemtype = tagname;
target.name = value;
if (!target.type) {
desc = implodeString(trim(value)),
match = REGEX_TYPE.exec(desc);
// Extract {type}
if (match) {
type = fixType(trim(match[2]));
name = trim(match[1] + match[3]);
target.type = type;
target.name = name;
}
}
if (target.type && target.type.toLowerCase() === 'object') {
block.forEach(function(i, k) {
if (i.tag === 'property') {
i.value = trim(i.value);
i.tag = 'param';
block[k] = i;
}
});
}
},
'method': 'property',
'attribute': 'property',
'config': 'property',
'event': 'property',
// access fields
'public': function(tagname, value, target, block) {
target.access = tagname;
target.tagname = value;
},
'private': 'public',
'protected': 'public',
'inner': 'public',
// tags that can have multiple occurances in a single block
'todo': function(tagname, value, target, block) {
if (!Lang.isArray(target[tagname])) {
target[tagname] = [];
}
//If the item is @tag one,two
if (value.indexOf(',') > -1) {
value = value.split(',');
} else {
value = [value];
}
value.forEach(function(v) {
v = trim(v);
target[tagname].push(v);
});
},
'extension_for': 'extensionfor',
'extensionfor': function(tagname, value, target, block) {
if (this.classes[this.get(CURRENT_CLASS)]) {
this.classes[this.get(CURRENT_CLASS)].extension_for.push(value);
}
},
'example': function(tagname, value, target, block) {
if (!Lang.isArray(target[tagname])) {
target[tagname] = [];
}
var e = value;
block.forEach(function(v) {
if (v.tag == 'example') {
if (v.value.indexOf(value) > -1) {
e = v.value;
}
}
});
target[tagname].push(e);
},
'url': 'todo',
'icon': 'todo',
'see': 'todo',
'throws': 'todo',
'requires': 'todo',
'knownissue': 'todo',
'uses': 'todo',
'category': 'todo',
'unimplemented': 'todo',
genericValueTag: function (tagname, value, target, block) {
target[tagname] = value;
},
'author' : 'genericValueTag',
'contributor': 'genericValueTag',
'since' : 'genericValueTag',
'deprecated': function (tagname, value, target, block) {
target.deprecated = true;
if (typeof value === 'string' && value.length) {
target.deprecationMessage = value;
}
},
// updates the current namespace
'namespace': function(tagname, value, target, block) {
this.set(CURRENT_NAMESPACE, value);
if (value === '') {
//Shortcut this if namespace is an empty string.
return;
}
var file = this.get(CURRENT_FILE);
if (file) {
this.files[file].namespaces[value] = 1;
}
var mod = this.get(CURRENT_MODULE);
if (mod) {
this.modules[mod].namespaces[value] = 1;
}
var mod = this.get(CURRENT_SUBMODULE);
if (mod) {
this.modules[mod].namespaces[value] = 1;
}
var mod = this.get(CURRENT_CLASS);
if (mod) {
var lastNS = this.get('lastnamespace');
if (lastNS && lastNS !== value && (value.indexOf(lastNS + '.') !== 0)) {
if (this.classes[mod]) {
var m = this.classes[mod];
delete this.classes[mod];
mod = value + '.' + mod.replace(lastNS + '.', '');
m.name = mod;
m.namespace = value;
this.classes[mod] = m;
this.set(CURRENT_CLASS, m.name);
}
}
if (this.classes[mod]) {
this.classes[mod].namespace = value;
if (mod === value) {
return;
}
if (mod.indexOf(value + '.') === -1) {
if (mod.indexOf('.') === -1) {
var m = this.classes[mod];
delete this.classes[mod];
var name = m.namespace + '.' + m.name;
m.name = name;
this.classes[name] = m;
this.set(CURRENT_CLASS, name);
} else {
if (mod.indexOf(this.classes[mod].namespace + '.') === -1) {
var m = this.classes[mod];
delete this.classes[mod];
var name = m.namespace + '.' + m.shortname;
m.name = name;
this.classes[name] = m;
this.set(CURRENT_CLASS, name);
}
}
}
}
}
},
// updates the current class only (doesn't create
// a new class definition)
'for': function(tagname, value, target, block) {
value = this._resolveFor(value);
this.set(CURRENT_CLASS, value);
var ns = ((this.classes[value]) ? this.classes[value].namespace : '');
this.set(CURRENT_NAMESPACE, ns);
var file = this.get(CURRENT_FILE);
if (file) {
this.files[file].fors[value] = 1;
}
var mod = this.get(CURRENT_MODULE);
if (mod) {
this.modules[mod].fors[value] = 1;
}
var mod = this.get(CURRENT_SUBMODULE);
if (mod) {
this.modules[mod].fors[value];
}
}
},
/**
* The doc parser accepts a **map** of files to file content.
* Once `parse()` is called, various properties will be populated
* with the parsers data (aggregated in the `'data'` property).
* @class DocParser
* @extends Base
* @constructor
* @param {Object} o the config object
* @module yuidoc
*/
DocParser = function(o) {
this.digesters = Y.merge(DIGESTERS);
this.knowntags = Y.Array.hash(TAGLIST);
DocParser.superclass.constructor.apply(this, arguments);
};
DocParser.NAME = 'DocParser';
DocParser.ATTRS = {
/**
* Digesters process the tag/text pairs found in a
* comment block. They are looked up by tag name.
* The digester gets the tagname, the value, the
* target object to apply values to, and the full
* block that is being processed. Digesters can
* be declared as strings instead of a function --
* in that case, the program will try to look up
* the key listed and use the function there instead
* (it is an alias). Digesters can return a host
* object in the case the tag defines a new key
* block type (modules/classes/methods/events/properties)
* @attribute digesters
*/
digesters: {
setter: function(val) {
Y.mix(this.digesters, val, true);
Y.mix(this.knowntags, val, true);
return val;
}
},
/**
* Emitters will be schemas for the types of payloads
* the parser will emit. Not implemented.
* @attribute emitters
*/
emitters: {
setter: function(val) {
Y.mix(this.emitters, val, true);
}
},
/**
* Comment syntax type.
* @attribute syntaxtype
* @type String
*/
syntaxtype: {
writeOnce: true,
},
/**
* The map of file names to file content.
* @attribute filemap
*/
filemap: {
writeOnce : true
},
/**
* A map of file names to directory name. Provided in
* case this needs to be used to reset the module name
* appropriately -- currently not used
* @attribute dirmap
*/
dirmap: {
writeOnce : true
},
/**
* The file currently being parsed
* @attribute currentfile
* @type String
*/
currentfile: {
setter: function(val) {
val = trim(val);
// this.set(CURRENT_NAMESPACE, '');
if (!(val in this.files)) {
this.files[val] = {
name: val,
modules: {},
classes: {},
fors: {},
namespaces: {}
};
}
return val;
}
},
/**
* The main documentation block for the module itself.
* @attribute mainmodule
* @type String
*/
mainmodule: {
setter: function(o) {
if (!o) {
return;
}
//console.log('Main Module Setter: ', o);
var write = true,
name = o.mainName || o.name;
if (this.get(CURRENT_MODULE) === name) {
if (name in this.modules) {
//console.log('In Global Modules', this.modules[name]);
if (this.modules[name].tag) {
//The main module has already been added, don't over write it.
if (this.modules[name].tag === 'main') {
write = false;
}
}
if (write) {
//console.log('Writing');
this.modules[name] = Y.merge(this.modules[name], o);
}
} else {
if (o._main) {
//console.log('Writing');
this.modules[name] = o;
}
}
}
}
},
/**
* The module currently being parsed
* @attribute currentmodule
* @type String
*/
currentmodule: {
setter: function(val) {
if (!val) {
return val;
}
val = trim(val);
this.set(CURRENT_SUBMODULE, '');
this.set(CURRENT_NAMESPACE, '');
var m = this.get(MAIN_MODULE);
if (m && m.name !== val) {
this.set(MAIN_MODULE, '');
}
var clazz = this.classes[this.get(CURRENT_CLASS)];
if (clazz) {
//Handles case where @module comes after @class in a new directory of files
if (clazz.module !== val) {
if (this.modules[clazz.module]) {
delete this.modules[clazz.module].submodules[clazz.submodule];
delete this.modules[clazz.module].classes[clazz.name];
}
if (clazz.submodule && this.modules[clazz.submodule]) {
delete this.modules[clazz.submodule].submodules[clazz.submodule];
delete this.modules[clazz.submodule].classes[clazz.name];
}
clazz.module = val;
if (this.modules[val]) {
this.modules[val].submodules[clazz.submodule] = 1;
this.modules[val].classes[clazz.name] = 1;
}
if (clazz.submodule && this.modules[clazz.submodule]) {
this.modules[clazz.submodule].module = val;
}
}
}
if (!(val in this.modules)) {
this.modules[val] = {
name: val,
submodules: {},
classes: {},