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Some more attribute accessor/shadow methods

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Change-Id: I2ea56054cfd534c7cca7567742438b86eef326ab
This commit is contained in:
Gabriel Wicke 2012-07-26 17:27:37 -07:00
parent 065bb50369
commit b18193907f
1 changed files with 115 additions and 44 deletions
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159
modules/parser/mediawiki.parser.defines.js
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@ -6,64 +6,130 @@
var async = require('async');
var Util = require('./mediawiki.Util.js').Util;
/* -------------------- KV -------------------- */
// A key-value pair
function KV ( k, v ) {
this.k = k;
this.v = v;
}
/* -------------------- TagTk -------------------- */
function TagTk( name, attribs, dataAttribs ) {
function TagTk( name, attribs, dataAttribs ) {
this.name = name;
this.attribs = attribs || [];
this.dataAttribs = dataAttribs || {};
}
/**
* Private helper for genericTokenMethods
*/
var setShadowInfo = function ( name, value, origValue ) {
if ( ! this.dataAttribs.a ) {
this.dataAttribs.a = {};
}
this.dataAttribs.a[name] = value;
if ( origValue !== undefined ) {
if ( ! this.dataAttribs.sa ) {
this.dataAttribs.sa = {};
}
this.dataAttribs.sa[name] = origValue;
}
};
/**
* Generic token attribute accessors
*/
var genericTokenMethods = {
setShadowInfo: setShadowInfo,
/**
* Generic set attribute method. Expects the context to be set to a token.
*/
addAttribute: function ( attributeName, value ) {
this.attribs.push( new KV( attributeName, value ) );
addAttribute: function ( name, value ) {
this.attribs.push( new KV( name, value ) );
},
/**
* Generic set attribute method with support for change detection. Expects the
* context to be set to a token.
*/
addNormalizedAttribute: function ( attributeName, normalizedValue, origValue ) {
this.addAttribute( attributeName, normalizedValue );
if ( ! this.dataAttribs.a ) {
this.dataAttribs.a = {};
}
this.dataAttribs.a[attributeName] = normalizedValue;
if ( origValue !== undefined ) {
if ( ! this.dataAttribs.sa ) {
this.dataAttribs.sa = {};
}
this.dataAttribs.sa[attributeName] = origValue;
}
addNormalizedAttribute: function ( name, value, origValue ) {
this.addAttribute( name, value );
this.setShadowInfo( name, value, origValue );
},
/**
* Generic attribute accessor. Expects the context to be set to a token.
*/
getAttribute: function ( attributeName ) {
return Util.lookup( this.attribs, attributeName );
getAttribute: function ( name ) {
return Util.lookup( this.attribs, name );
},
/**
* Attribute accessor for the wikitext serializer. Performs change
* Attribute info accessor for the wikitext serializer. Performs change
* detection and uses unnormalized attribute values if set. Expects the
* context to be set to a token.
*/
getAttributeSource: function ( attributeName ) {
var curVal = Util.lookup( this.attribs, attributeName );
if ( ! this.dataAttribs.a ||
this.dataAttribs.a[attributeName] !== curVal ||
this.dataAttribs.sa[attributeName] === undefined ) {
return curVal;
getAttributeShadowInfo: function ( name ) {
var curVal = Util.lookup( this.attribs, name );
if ( ! this.dataAttribs.a ||
this.dataAttribs.a[name] !== curVal ||
this.dataAttribs.sa[name] === undefined ) {
return {
value: curVal,
modified: true
};
} else {
return this.dataAttribs.sa[attributeName];
return {
value: this.dataAttribs.sa[name],
modified: false
};
}
},
/**
* Completely remove all attributes with this name.
*/
removeAttribute: function ( name ) {
var out = [],
attribs = this.attribs;
for ( var i = 0, l = attribs.length; i < l; i++ ) {
var kv = attribs[i];
if ( kv.k.toLowerCase() !== name ) {
out.push( kv );
}
}
this.attribs = out;
},
/**
* Set an attribute to a value, and shadow it if it was already set
*/
setShadowedAttribute: function ( name, value ) {
var out = [],
found = false;
for ( var i = attribs.length; i >= 0; i-- ) {
var kv = attribs[i];
if ( kv.k.toLowerCase() !== name ) {
out.push( kv );
} else if ( ! found ) {
if ( ! this.dataAttribs.a ||
this.dataAttribs.a[name] === undefined )
{
this.setShadowInfo( name, value, kv.v );
}
kv.v = value;
found = true;
}
// else strip it..
}
out.reverse();
if ( ! found ) {
out.push( new KV( name, value ) );
}
this.attribs = out;
}
};
@ -115,7 +181,7 @@ TagTk.prototype.toString = function(compact) {
$.extend( TagTk.prototype, genericTokenMethods );
/* -------------------- EndTagTk -------------------- */
function EndTagTk( name, attribs, dataAttribs ) {
function EndTagTk( name, attribs, dataAttribs ) {
this.name = name;
this.attribs = attribs || [];
this.dataAttribs = dataAttribs || {};
@ -140,7 +206,7 @@ EndTagTk.prototype.toString = function() {
$.extend( EndTagTk.prototype, genericTokenMethods );
/* -------------------- SelfclosingTagTk -------------------- */
function SelfclosingTagTk( name, attribs, dataAttribs ) {
function SelfclosingTagTk( name, attribs, dataAttribs ) {
this.name = name;
this.attribs = attribs || [];
this.dataAttribs = dataAttribs || {};
@ -179,8 +245,12 @@ SelfclosingTagTk.prototype.attrsToString = function(indent, indentIncrement, sta
if (kVal.present && vVal.present) {
buf.push([kVal.str, "=", vVal.str].join(''));
} else {
if (kVal.present) buf.push(kVal.str);
if (vVal.present) buf.push(vVal.str);
if (kVal.present) {
buf.push(kVal.str);
}
if (vVal.present) {
buf.push(vVal.str);
}
}
}
@ -193,7 +263,9 @@ SelfclosingTagTk.prototype.defaultToString = function(compact, indent) {
var attr0 = this.attribs[0];
return attr0 ? buf + Util.toStringTokens(attr0.k, "\n") : buf;
} else {
if (!indent) indent = "";
if (!indent) {
indent = "";
}
var origIndent = indent;
var indentIncrement = " ";
indent = indent + indentIncrement;
@ -207,7 +279,9 @@ SelfclosingTagTk.prototype.tagToStringFns = {
if (compact) {
return ["<extlink:", href, ">"].join('');
} else {
if (!indent) indent = "";
if (!indent) {
indent = "";
}
var origIndent = indent;
var indentIncrement = " ";
indent = indent + indentIncrement;
@ -221,21 +295,25 @@ SelfclosingTagTk.prototype.tagToStringFns = {
},
"wikilink": function(compact, indent) {
if (!indent) indent = "";
if (!indent) {
indent = "";
}
var href = Util.kvTokensToString(Util.lookupKV(this.attribs, 'href').v);
if (compact) {
return ["<wikilink:", href, ">"].join('');
} else {
if (!indent) indent = "";
if (!indent) {
indent = "";
}
var origIndent = indent;
var indentIncrement = " ";
indent = indent + indentIncrement;
var tail = Util.lookupKV(this.attribs, 'tail').v;
var content = this.attrsToString(indent, indentIncrement, 2);
return ["<wikilink>(\n", indent,
"href=", href, "\n", indent,
return ["<wikilink>(\n", indent,
"href=", href, "\n", indent,
"tail=", tail, "\n", indent,
"content=", content, "\n", origIndent,
"content=", content, "\n", origIndent,
")"].join('');
}
}
@ -268,7 +346,7 @@ NlTk.prototype = {
};
/* -------------------- CommentTk -------------------- */
function CommentTk( value, dataAttribs ) {
function CommentTk( value, dataAttribs ) {
this.value = value;
// won't survive in the DOM, but still useful for token serialization
if ( dataAttribs !== undefined ) {
@ -303,13 +381,6 @@ EOFTk.prototype = {
};
/* -------------------- KV -------------------- */
// A key-value pair
function KV ( k, v ) {
this.k = k;
this.v = v;
}
/* -------------------- Params -------------------- */