const encoders = {
xml: doc => {
let enc = Cu.createDocumentEncoder(
"text/xml" );
enc.init(doc,
"text/xml" , Ci.nsIDocumentEncoder.OutputLFLineBreak);
return enc;
},
html: doc => {
let enc = Cu.createDocumentEncoder(
"text/html" );
enc.init(doc,
"text/html" , Ci.nsIDocumentEncoder.OutputLFLineBreak);
return enc;
},
htmlBasic: doc => {
let enc = Cu.createDocumentEncoder(
"text/html" );
enc.init(
doc,
"text/html" ,
Ci.nsIDocumentEncoder.OutputEncodeBasicEntities |
Ci.nsIDocumentEncoder.OutputLFLineBreak
);
return enc;
},
xhtml: doc => {
let enc = Cu.createDocumentEncoder(
"application/xhtml+xml" );
enc.init(
doc,
"application/xhtml+xml" ,
Ci.nsIDocumentEncoder.OutputLFLineBreak
);
return enc;
},
};
// Which characters should we encode as entities? It depends on the serializer.
const encodeAll = { html:
true , htmlBasic:
true , xhtml:
true , xml:
true };
const encodeHTMLBasic = {
html:
false ,
htmlBasic:
true ,
xhtml:
false ,
xml:
false ,
};
const encodeXML = { html:
false , htmlBasic:
false , xhtml:
true , xml:
true };
const encodeNone = { html:
false , htmlBasic:
false , xhtml:
false , xml:
false };
const encodingInfoMap =
new Map([
// Basic sanity chars '<', '>', '"', '&' get encoded in all cases.
[
"<" , encodeAll],
[
">" , encodeAll],
[
'"' , encodeAll],
[
"&" , encodeAll],
// nbsp is only encoded with the HTML encoder when encoding basic entities.
[
"\xA0" , encodeHTMLBasic],
// Whitespace bits are only encoded in XML.
[
"\n" , encodeXML],
[
"\r" , encodeXML],
[
"\t" , encodeXML],
]);
const encodingMap =
new Map([
[
"<" ,
"<" ],
[
">" ,
">" ],
[
'"' ,
""" ],
[
"&" ,
"&" ],
[
"\xA0" ,
" " ],
[
"\n" ,
"
" ],
[
"\r" ,
"
" ],
[
"\t" ,
" " ],
]);
function encodingInfoForChar(c) {
var info = encodingInfoMap.get(c);
if (info) {
return info;
}
return encodeNone;
}
function encodingForChar(c, type) {
var info = encodingInfoForChar(c);
if (!info[type]) {
return c;
}
return encodingMap.get(c);
}
const doc =
new DOMParser().parseFromString(
" " ,
"text/xml" );
const root = doc.documentElement;
for (let i = 0; i < 255; ++i) {
let el = doc.createElement(
"span" );
el.setAttribute(
"x" , String.fromCharCode(i));
el.textContent =
" " ;
root.appendChild(el);
}
for (let type of [
"xml" ,
"xhtml" ,
"htmlBasic" ,
"html" ]) {
let str = encoders[type](doc).encodeToString();
const prefix =
' ' ;
Assert .ok(str.startsWith(prefix), `${type} serialization starts correctly`);
Assert .ok(str.endsWith(suffix), `${type} serialization ends correctly`);
str = str.substring(prefix.length, str.length - suffix.length);
let encodings = str.split(
'"> " ,
"text/xml" );
const rootWithJS = docWithJS.documentElement;
const htmlNS =
"http://www.w3.org/1999/xhtml ";
const jsCode =
"x < 2 || y > 3" ;
let div = docWithJS.createElementNS(htmlNS,
"div" );
div.setAttribute(
"href" , `javascript:${jsCode}`);
div.setAttribute(
"src" , `javascript:${jsCode}`);
div.setAttribute(
"onclick" , jsCode);
div.setAttribute(
"onload" , jsCode);
rootWithJS.appendChild(div);
for (let type of [
"xml" ,
"xhtml" ,
"htmlBasic" ,
"html" ]) {
let str = encoders[type](docWithJS).encodeToString();
Assert .equal(
str.search(
"&[a-z]+;" ),
-1,
`${type} encoding does not escape entities in attributes with JS code`
);
}
Messung V0.5 C=95 H=98 G=96
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet)
¤
*© Formatika GbR, Deutschland
Wurzel
Suchen
Beweissystem der NASA
Beweissystem Isabelle
NIST Cobol Testsuite
Cephes Mathematical Library
Wiener Entwicklungsmethode
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noch Qualität der bereit gestellten Informationen zugesichert.
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
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