107 lines
2.8 KiB
JavaScript
Executable File
107 lines
2.8 KiB
JavaScript
Executable File
/*
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Functions concerned with parsing representations of tiddlers
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*/
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/*jslint node: true */
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"use strict";
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var utils = require("./Utils.js"),
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util = require("util");
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var tiddlerOutput = exports;
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// Utility function to convert a tags string array into a TiddlyWiki-style quoted tags string
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var stringifyTags = function(tags) {
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var results = [];
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for(var t=0; t<tags.length; t++) {
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if(tags[t].indexOf(" ") !== -1) {
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results.push("[[" + tags[t] + "]]");
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} else {
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results.push(tags[t]);
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}
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}
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return results.join(" ");
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};
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/*
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Output a tiddler as a .tid file
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*/
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var outputTiddler = function(tid) {
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var result = [],
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outputAttribute = function(name,value) {
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result.push(name + ": " + value + "\n");
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};
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for(var t in tid.fields) {
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switch(t) {
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case "text":
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// Ignore the text field
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break;
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case "tags":
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// Output tags as a list
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outputAttribute(t,tiddlerOutput.stringifyTags(tid.fields.tags));
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break;
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case "modified":
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case "created":
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// Output dates in YYYYMMDDHHMM
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outputAttribute(t,utils.convertToYYYYMMDDHHMM(tid.fields[t]));
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break;
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default:
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// Output other attributes raw
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outputAttribute(t,tid.fields[t]);
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break;
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}
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}
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result.push("\n");
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result.push(tid.fields.text);
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return result.join("");
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};
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/*
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Output a tiddler as an HTML <DIV>
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out - array to push the output strings
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tid - the tiddler to be output
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The fields are in the order title, creator, modifier, created, modified, tags, followed by any others
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*/
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var outputTiddlerDiv = function(tid) {
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var result = [],
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attributes = {},
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outputAttribute = function(name,transform,dontDelete) {
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if(name in attributes) {
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var value = attributes[name];
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if(transform)
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value = transform(value);
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result.push(" " + name + "=\"" + value + "\"");
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if(!dontDelete) {
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delete attributes[name];
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}
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}
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};
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for(var t in tid.fields) {
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attributes[t] = tid.fields[t];
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}
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if(attributes.text) {
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delete attributes.text;
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}
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result.push("<div");
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// Output the standard attributes in the correct order
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outputAttribute("title");
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outputAttribute("creator");
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outputAttribute("modifier");
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outputAttribute("created", function(v) {return utils.convertToYYYYMMDDHHMM(v);});
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outputAttribute("modified", function(v) {return utils.convertToYYYYMMDDHHMM(v);});
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outputAttribute("tags", function(v) {return stringifyTags(v);});
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// Output any other attributes
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for(t in attributes) {
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outputAttribute(t,null,true);
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}
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result.push(">\n<pre>");
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result.push(utils.htmlEncode(tid.fields.text));
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result.push("</pre>\n</div>");
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return result.join("");
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};
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tiddlerOutput.register = function(tiddlerConverters) {
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tiddlerConverters.registerSerializer(".tid","application/x-tiddler",outputTiddler);
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tiddlerConverters.registerSerializer(".tiddler","application/x-tiddler-html-div",outputTiddlerDiv);
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};
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