mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-06-13 17:16:48 +00:00
118 lines
3.4 KiB
JavaScript
118 lines
3.4 KiB
JavaScript
/*\
|
|
title: $:/core/modules/deserializers.js
|
|
type: application/javascript
|
|
module-type: tiddlerdeserializer
|
|
|
|
Functions to deserialise tiddlers from a block of text
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
/*
|
|
Utility function to parse an old-style tiddler DIV. It looks like this:
|
|
|
|
<div title="Title" creator="JoeBloggs" modifier="JoeBloggs" created="201102111106" modified="201102111310" tags="myTag [[my long tag]]">
|
|
<pre>The text of the tiddler (without the expected HTML encoding).
|
|
</pre>
|
|
</div>
|
|
|
|
Note that the field attributes are HTML encoded, but that the body of the <PRE> tag is not.
|
|
*/
|
|
var parseTiddlerDiv = function(text,fields) {
|
|
var result = {};
|
|
if(fields) {
|
|
for(var t in fields) {
|
|
result[t] = fields[t];
|
|
}
|
|
}
|
|
var divRegExp = /^\s*<div\s+([^>]*)>((?:.|\n)*)<\/div>\s*$/gi,
|
|
subDivRegExp = /^\s*<pre>((?:.|\n)*)<\/pre>\s*$/gi,
|
|
attrRegExp = /\s*([^=\s]+)\s*=\s*"([^"]*)"/gi,
|
|
match = divRegExp.exec(text);
|
|
if(match) {
|
|
var subMatch = subDivRegExp.exec(match[2]); // Body of the <DIV> tag
|
|
if(subMatch) {
|
|
result.text = subMatch[1];
|
|
} else {
|
|
result.text = match[2];
|
|
}
|
|
var attrMatch;
|
|
do {
|
|
attrMatch = attrRegExp.exec(match[1]);
|
|
if(attrMatch) {
|
|
var name = attrMatch[1];
|
|
var value = attrMatch[2];
|
|
result[name] = value;
|
|
}
|
|
} while(attrMatch);
|
|
}
|
|
return result;
|
|
};
|
|
|
|
exports["application/x-tiddler-html-div"] = function(text,fields) {
|
|
return [parseTiddlerDiv(text,fields)];
|
|
};
|
|
|
|
exports["application/json"] = function(text,fields) {
|
|
var tiddlers = JSON.parse(text),
|
|
result = [],
|
|
getKnownFields = function(tid) {
|
|
var fields = {};
|
|
"title text created creator modified modifier type tags".split(" ").forEach(function(value) {
|
|
if(tid[value] !== null) {
|
|
fields[value] = tid[value];
|
|
}
|
|
});
|
|
return fields;
|
|
};
|
|
for(var t=0; t<tiddlers.length; t++) {
|
|
result.push(getKnownFields(tiddlers[t]));
|
|
}
|
|
return result;
|
|
};
|
|
|
|
exports["application/vnd.tiddlywiki2"] = function(text,fields) {
|
|
var locateStoreArea = function(tiddlywikidoc) {
|
|
var startSaveArea = '<div id="' + 'storeArea">',
|
|
startSaveAreaRegExp = /<div id=["']?storeArea['"]?>/gi,
|
|
endSaveArea = '</d' + 'iv>',
|
|
endSaveAreaCaps = '</D' + 'IV>',
|
|
posOpeningDiv = tiddlywikidoc.search(startSaveAreaRegExp),
|
|
limitClosingDiv = tiddlywikidoc.indexOf("<"+"!--POST-STOREAREA--"+">");
|
|
if(limitClosingDiv == -1) {
|
|
limitClosingDiv = tiddlywikidoc.indexOf("<"+"!--POST-BODY-START--"+">");
|
|
}
|
|
var start = limitClosingDiv == -1 ? tiddlywikidoc.length : limitClosingDiv,
|
|
posClosingDiv = tiddlywikidoc.lastIndexOf(endSaveArea,start);
|
|
if(posClosingDiv == -1) {
|
|
posClosingDiv = tiddlywikidoc.lastIndexOf(endSaveAreaCaps,start);
|
|
}
|
|
return (posOpeningDiv != -1 && posClosingDiv != -1) ? [posOpeningDiv + startSaveArea.length,posClosingDiv] : null;
|
|
},
|
|
results = [],
|
|
storeAreaPos = locateStoreArea(text);
|
|
if(storeAreaPos) {
|
|
var endOfDivRegExp = /(<\/div>\s*)/gi,
|
|
startPos = storeAreaPos[0];
|
|
endOfDivRegExp.lastIndex = startPos;
|
|
var match = endOfDivRegExp.exec(text);
|
|
while(match && startPos < storeAreaPos[1]) {
|
|
var endPos = endOfDivRegExp.lastIndex,
|
|
tiddlerFields = parseTiddlerDiv(text.substring(startPos,endPos),fields);
|
|
if(tiddlerFields.text !== null) {
|
|
tiddlerFields.text = $tw.utils.htmlDecode(tiddlerFields.text);
|
|
results.push(tiddlerFields);
|
|
}
|
|
startPos = endPos;
|
|
match = endOfDivRegExp.exec(text);
|
|
}
|
|
}
|
|
return results;
|
|
};
|
|
|
|
})();
|