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TiddlyWiki5/plugins/tiddlywiki/loadrecipe/recipe.js
Jeremy Ruston 91002165af Update TW2 edition
Move the plugins into the core, add a template for the externaljs
distribution of TW
2013-02-09 17:10:18 +00:00

72 lines
2.4 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki2/loadrecipe/recipe.js
type: application/javascript
module-type: tiddlerdeserializer
Module to deserialize tiddlers from an old school TiddlyWiki recipe file.
The idea is to process the recipe file recursively, loading tiddlers into the main store using synchronous file operations. The tiddlers have their titles prefixed with the associated marker in curly brackets ("{shadow}", "{tiddler}" etc).
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports["application/vnd.tiddlywiki2-recipe"] = function(text,fields) {
var self = this,
path = require("path"),
fs = require("fs"),
tiddlers = [],
parseRecipe = function(text) {
var recipe = [];
text.toString().split(/\r?\n/mg).forEach(function(line) {
var p = line.indexOf(":");
if(p !== -1) {
recipe.push({
name: line.substr(0,p).trim(),
value: line.substr(p+1).trim()
});
}
});
return recipe;
},
loadTiddlersFromFile = function(sourcePath,prefix) {
var ext = path.extname(sourcePath),
extensionInfo = $tw.config.fileExtensionInfo[ext],
typeInfo = extensionInfo ? $tw.config.contentTypeInfo[extensionInfo.type] : null,
data = fs.readFileSync(sourcePath).toString(typeInfo ? typeInfo.encoding : "utf8"),
fields = {title: sourcePath},
tids = self.deserializeTiddlers(ext,data,fields),
metafile = sourcePath + ".meta";
if(ext !== ".json" && tids.length === 1 && fs.existsSync(metafile)) {
var metadata = fs.readFileSync(metafile).toString("utf8");
if(metadata) {
tids = [$tw.utils.parseFields(metadata,tids[0])];
}
}
tids.forEach(function(tid) {
tid.title = prefix + tid.title;
});
tiddlers.push.apply(tiddlers,tids);
},
processRecipe = function(sourcePath,text) {
var recipe = parseRecipe(text);
for(var t=0; t<recipe.length; t++) {
if(recipe[t].name === "recipe") {
var recipeFile = path.resolve(path.dirname(sourcePath),recipe[t].value);
processRecipe(recipeFile,fs.readFileSync(recipeFile));
} else {
var tiddlerFile = path.resolve(path.dirname(sourcePath),recipe[t].value);
loadTiddlersFromFile(tiddlerFile,"{" + recipe[t].name + "}");
}
}
},
sourcePath = fields.title; // Bit of a hack to take advantage of the default title being the path to the tiddler file
processRecipe(sourcePath,text);
return tiddlers;
};
})();