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Add attr()/text() to translator sandbox

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The current document is automatically used (but can still be provided as
the first argument to avoid accidental bugs during the transition).

Closes #1323
Addresses zotero/translators#1277
This commit is contained in:
Dan Stillman 2017-12-27 18:18:20 -05:00
parent 5350931617
commit 2bc44dddd1
1 changed files with 38 additions and 0 deletions
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38
chrome/content/zotero/xpcom/translation/translate.js
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@ -1866,6 +1866,44 @@ Zotero.Translate.Base.prototype = {
this._sandboxManager.sandbox.Z = this._sandboxZotero; this._sandboxManager.sandbox.Z = this._sandboxZotero;
this._sandboxManager.sandbox.ZU = this._sandboxZotero.Utilities; this._sandboxManager.sandbox.ZU = this._sandboxZotero.Utilities;
this._transferItem = this._sandboxZotero._transferItem; this._transferItem = this._sandboxZotero._transferItem;
// Add web helper functions
if (this.type == 'web') {
this._sandboxManager.sandbox.attr = this._attr.bind(this);
this._sandboxManager.sandbox.text = this._text.bind(this);
}
},
/**
* Helper function to extract HTML attribute text
*/
_attr: function (selector, attr, index) {
if (typeof arguments[0] == 'string') {
var doc = this.document;
}
// Support legacy polyfill signature
else {
this._debug("WARNING: attr() no longer requires a document as the first argument");
[doc, selector, attr, index] = arguments;
}
var elem = index ? doc.querySelectorAll(selector).item(index) : doc.querySelector(selector);
return elem ? elem.getAttribute(attr) : null;
},
/**
* Helper function to extract HTML element text
*/
_text: function (selector, index) {
if (typeof arguments[0] == 'string') {
var doc = this.document;
}
// Support legacy polyfill signature
else {
this._debug("WARNING: text() no longer requires a document as the first argument");
[doc, selector, attr, index] = arguments;
}
var elem = index ? doc.querySelectorAll(selector).item(index) : doc.querySelector(selector);
return elem ? elem.textContent : null;
}, },
/** /**