suzanne.soy/scribble-mathjax
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Use a service routine in MathML input to filter attributes (rather than override AddAttributes). Also, make fontsize default allow all (authors can restrict if they want to).

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This commit is contained in:
Davide P. Cervone 2013-04-29 16:54:53 -04:00
parent d8c06eb293
commit cb3542b296
2 changed files with 27 additions and 42 deletions
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55
unpacked/extensions/Safe.js
View File

@ -35,7 +35,7 @@
classes: "safe", // safe start with MJX-
cssIDs: "safe", // safe start with MJX-
styles: "safe", // safe are in safeStyles below
fontsize: "safe", // safe are between sizeMin and sizeMax em's
fontsize: "all", // safe are between sizeMin and sizeMax em's
require: "safe", // safe are in safeRequire below
},
sizeMin: .7, // \scriptsize
@ -164,6 +164,9 @@
{size = Math.min(Math.max(size,CONFIG.sizeMin),CONFIG.sizeMax)}
return size;
},
filterFontSize: function (size) {
return (ALLOW.fontsize === "all" ? size: null);
},
//
// Filter TeX extension names
@ -287,47 +290,25 @@
});
HUB.Register.StartupHook("MathML Jax Ready",function () {
var MATHML = MathJax.InputJax.MathML,
ATTRIBUTES = MATHML.Parse.prototype.AddAttributes;
var PARSE = MathJax.InputJax.MathML.Parse;
var METHOD = {
href: "filterURL",
"class": "filterClass",
id: "filterID",
fontsize: "filterFontSize",
style: "filterStyles"
};
//
// Filter MathML attributes
//
MATHML.Parse.prototype.AddAttributes = function (mml,node) {
ATTRIBUTES.apply(MATHML,arguments);
for (var i = 0, m = mml.attrNames.length; i < m; i++) {
var name = mml.attrNames[i], value = null;
switch (name) {
case "href":
value = SAFE.filterURL(mml.href);
break;
case "class":
value = SAFE.filterClass(mml["class"]);
break;
case "id":
value = SAFE.filterID(mml.id);
break;
case "fontsize":
value = (ALLOW.fontsize === "all" ? mml.fontsize: null);
break;
case "style":
value = SAFE.filterStyles(mml.style);
break;
default:
name = null;
break;
}
if (name) {
if (value) {mml[name] = value}
else {delete mml[name]; mml.attrNames.splice(i,1); m--}
}
PARSE.Augment({
filterAttribute: function (name,value) {
if (METHOD[name]) {value = SAFE[METHOD[name]](value)}
return value;
}
};
});
});

14
unpacked/jax/input/MathML/jax.js
View File

@ -121,13 +121,17 @@
if (name.match(/:/)) continue;
if (name.match(/^_moz-math-((column|row)(align|line)|font-style)$/)) continue;
var value = node.attributes[i].value;
if (value.toLowerCase() === "true") {value = true}
else if (value.toLowerCase() === "false") {value = false}
if (mml.defaults[name] != null || MML.copyAttributes[name])
{mml[name] = value} else {mml.attr[name] = value}
mml.attrNames.push(name);
value = this.filterAttribute(name,value);
if (value != null) {
if (value.toLowerCase() === "true") {value = true}
else if (value.toLowerCase() === "false") {value = false}
if (mml.defaults[name] != null || MML.copyAttributes[name])
{mml[name] = value} else {mml.attr[name] = value}
mml.attrNames.push(name);
}
}
},
filterAttribute: function (name,value) {return value}, // safe mode overrides this
//
// Create the children for the mml node