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Code Issues Releases Wiki Activity

Refactored the interface to the wikifier class

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This commit is contained in:
Jeremy Ruston 2011-12-03 17:39:13 +00:00
parent 2a36261f33
commit 7521207e45
1 changed files with 48 additions and 70 deletions
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118
js/Wikifier.js
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@ -2,10 +2,10 @@
Wikifier for TiddlyWiki format text
The wikifier parses wikitext into an intermediate tree from which the HTML is generated. The tree
looks like this:
The wikifier parses wikitext into an intermediate tree from which the HTML is generated.
HTML elements are stored in the tree like this:
this.tree = [
{type: "div", attributes: {
attr1: value,
attr2: value
@ -13,7 +13,10 @@ this.tree = [
{child},
{child},
]}
];
Text nodes are:
{type: "text", value: "string of text node"}
*/
@ -25,29 +28,51 @@ var Tiddler = require("./Tiddler.js").Tiddler,
utils = require("./Utils.js"),
util = require("util");
// Construct a wikifier object
// source - source string that's going to be wikified
// formatter - Formatter() object containing the list of formatters to be used
// tiddler - reference to the tiddler that's taken to be the container for this wikification
var Wikifier = function(source,formatter,tiddler)
{
this.source = source;
this.output = null;
// Construct a wikifier object around a Formatter() object
var Wikifier = function(formatter) {
this.formatter = formatter;
this.nextMatch = 0;
this.autoLinkWikiWords = true;
this.isStatic = false;
this.tiddler = tiddler;
}
};
Wikifier.prototype.wikifyPlain = function()
// Wikify a string as if it were from a particular tiddler and return it as an HTML string
Wikifier.prototype.wikify = function(source,tiddler) {
this.source = source;
this.nextMatch = 0;
this.tiddler = tiddler;
this.tree = [];
this.output = null;
this.subWikify(this.tree);
return this.tree; // Just return the tree for now
};
// Wikify a string as if it were from a particular tiddler and return it as plain text
Wikifier.prototype.wikifyPlain = function(source,tiddler) {
this.source = source;
this.nextMatch = 0;
this.tiddler = tiddler;
this.tree = [];
this.output = null;
this.subWikify(this.tree);
var resultText = [],
extractText = function(tree) {
for(var t=0; t<tree.length; t++) {
var node = tree[t];
if(node.type === "text") {
resultText.push(node.value);
} else if(node.children) {
extractText(node.children);
}
}
};
extractText(this.tree);
return resultText.join("");
};
Wikifier.prototype.outputText = function(place,startPos,endPos)
{
var e = createTiddlyElement(document.body,"div");
e.style.display = "none";
this.subWikify(e);
var text = jQuery(e).text();
jQuery(e).remove();
return text;
if(startPos < endPos) {
place.push({type: "text", value: this.source.substring(startPos,endPos)});
}
};
Wikifier.prototype.subWikify = function(output,terminator)
@ -157,51 +182,4 @@ Wikifier.prototype.subWikifyTerm = function(output,terminatorRegExp)
this.output = oldOutput;
};
Wikifier.prototype.outputText = function(place,startPos,endPos)
{
if(startPos < endPos) {
createTiddlyText(place,this.source.substring(startPos,endPos));
}
};
Wikifier.wikify = function(source,output,tiddler)
{
if(source) {
var wikifier = new Wikifier(source,getParser(tiddler),tiddler);
var t0 = new Date();
wikifier.subWikify(output);
if(tiddler && config.options.chkDisplayInstrumentation)
displayMessage("wikify:" +tiddler.title+ " in " + (new Date()-t0) + " ms");
}
};
Wikifier.wikifyStatic = function(source,tiddler,format)
{
var e = createTiddlyElement(document.body,"pre");
e.style.display = "none";
var html = "";
if(source && source != "") {
if(!tiddler)
tiddler = new Tiddler("temp");
var wikifier = new Wikifier(source,getParser(tiddler,format),tiddler);
wikifier.isStatic = true;
wikifier.subWikify(e);
html = e.innerHTML;
jQuery(e).remove();
}
return html;
};
// Wikify a string to plain text
// text - text to wikify
// limit - maximum number of characters to generate
// tiddler - optional reference to the tiddler containing this text
Wikifier.wikifyPlainText = function(text,limit,tiddler)
{
if(limit > 0)
text = text.substr(0,limit);
var wikifier = new Wikifier(text,formatter,null,tiddler);
return wikifier.wikifyPlain();
};
exports.Wikifier = Wikifier;