TiddlyWiki5/tiddlywiki.js

236 wiersze
6.8 KiB
JavaScript

(function(){
/*
TiddlyWiki command line interface
*/
/*jslint node: true */
"use strict";
var App = require("./js/App.js").App,
WikiStore = require("./js/WikiStore.js").WikiStore,
Tiddler = require("./js/Tiddler.js").Tiddler,
Recipe = require("./js/Recipe.js").Recipe,
tiddlerInput = require("./js/TiddlerInput.js"),
tiddlerOutput = require("./js/TiddlerOutput.js"),
util = require("util"),
fs = require("fs"),
url = require("url"),
path = require("path"),
aync = require("async"),
http = require("http");
var app = new App();
var parseOptions = function(args,defaultSwitch) {
var result = [],
a = 0,
switchRegExp = /^--([\S]+)$/gi;
while(a < args.length) {
switchRegExp.lastIndex = 0;
var m = switchRegExp.exec(args[a]);
if(m) {
a++;
var switchArgs = [];
switchRegExp.lastIndex = 0;
while(a < args.length && !switchRegExp.test(args[a])) {
switchArgs.push(args[a++]);
switchRegExp.lastIndex = 0;
}
result.push({switchName: m[1], args: switchArgs});
} else {
result.push({switchName: defaultSwitch, args: [args[a++]]});
}
}
return result;
};
var switches = parseOptions(Array.prototype.slice.call(process.argv,2),"dummy"),
recipe = null,
lastRecipeFilepath = null,
currSwitch = 0;
/*
Each command line switch is represented by a function that takes a string array of arguments and a callback to
be invoked when the switch processing has completed. The only argument to the callback is an error code, or null
for success.
*/
var commandLineSwitches = {
recipe: {
args: {min: 1, max: 1},
handler: function(args,callback) {
if(recipe) {
callback("--recipe: Cannot process more than one recipe file");
} else {
lastRecipeFilepath = args[0];
recipe = new Recipe({
filepath: args[0],
store: app.store
},function(err) {
callback(err);
});
}
}
},
dumpstore: {
args: {min: 0, max: 0},
handler: function(args,callback) {
console.log("Store is:\n%s",util.inspect(app.store,false,10));
process.nextTick(function() {callback(null);});
}
},
dumprecipe: {
args: {min: 0, max: 0},
handler: function(args,callback) {
console.log("Recipe is:\n%s",util.inspect(recipe,false,10));
process.nextTick(function() {callback(null);});
}
},
load: {
args: {min: 1, max: 1},
handler: function(args,callback) {
fs.readFile(args[0],"utf8",function(err,data) {
if(err) {
callback(err);
} else {
var fields = {title: args[0]},
extname = path.extname(args[0]),
type = extname === ".html" ? "application/x-tiddlywiki" : extname;
var tiddlers = tiddlerInput.parseTiddlerFile(data,type,fields);
for(var t=0; t<tiddlers.length; t++) {
app.store.addTiddler(new Tiddler(tiddlers[t]));
}
callback(null);
}
});
}
},
savewiki: {
args: {min: 1, max: 1},
handler: function(args,callback) {
if(!recipe) {
callback("--savewiki requires a recipe to be loaded first");
}
fs.writeFile(path.resolve(args[0],"index.html"),recipe.cook(),"utf8",function(err) {
if(err) {
callback(err);
} else {
fs.writeFile(path.resolve(args[0],"index.xml"),recipe.cookRss(),"utf8",function(err) {
callback(err);
});
}
});
}
},
savetiddlers: {
args: {min: 1, max: 1},
handler: function(args,callback) {
var recipe = [];
app.store.forEachTiddler(function(title,tiddler) {
var filename = encodeURIComponent(tiddler.fields.title.replace(/ /g,"_")) + ".tid";
fs.writeFileSync(path.resolve(args[0],filename),tiddlerOutput.outputTiddler(tiddler),"utf8");
recipe.push("tiddler: " + filename + "\n");
});
fs.writeFileSync(path.join(args[0],"split.recipe"),recipe.join(""));
process.nextTick(function() {callback(null);});
}
},
servewiki: {
args: {min: 0, max: 1},
handler: function(args,callback) {
if(!lastRecipeFilepath) {
callback("--servewiki must be preceded by a --recipe");
}
var port = args.length > 0 ? args[0] : 8000;
// Dumbly, this implementation wastes the recipe processing that happened on the --recipe switch
http.createServer(function(request, response) {
response.writeHead(200, {"Content-Type": "text/html"});
var store = new WikiStore();
var recipe = new Recipe(store,lastRecipeFilepath,function() {
response.end(recipe.cook(), "utf8");
});
}).listen(port);
}
},
servetiddlers: {
args: {min: 0, max: 1},
handler: function(args,callback) {
var port = args.length > 0 ? args[0] : 8000;
http.createServer(function (request, response) {
var title = decodeURIComponent(url.parse(request.url).pathname.substr(1)),
tiddler = app.store.getTiddler(title);
if(tiddler) {
response.writeHead(200, {"Content-Type": "text/html"});
response.end(app.store.renderTiddler("text/html",title),"utf8");
} else {
response.writeHead(404);
response.end();
}
}).listen(port);
}
},
verbose: {
args: {min: 0, max: 0},
handler: function(args,callback) {
process.nextTick(function() {callback(null);});
}
},
wikitest: {
args: {min: 1, max: 1},
handler: function(args,callback) {
var testdirectory = args[0],
files = fs.readdirSync(testdirectory),
titles = [],
f,t,extname,basename;
for(f=0; f<files.length; f++) {
extname = path.extname(files[f]);
if(extname === ".tid") {
var tiddlers = app.store.deserializeTiddlers(extname,fs.readFileSync(path.resolve(testdirectory,files[f]),"utf8"));
if(tiddlers.length > 1) {
throw "Cannot use .JSON files";
}
app.store.addTiddler(new Tiddler(tiddlers[0]));
titles.push(tiddlers[0].title);
}
}
for(t=0; t<titles.length; t++) {
var htmlTarget = fs.readFileSync(path.resolve(testdirectory,titles[t] + ".html"),"utf8"),
plainTarget = fs.readFileSync(path.resolve(testdirectory,titles[t] + ".txt"),"utf8"),
tiddler = app.store.getTiddler(titles[t]),
htmlRender = app.store.renderTiddler("text/html",titles[t]),
plainRender = app.store.renderTiddler("text/plain",titles[t]);
if(htmlTarget !== htmlRender) {
console.error("Tiddler %s html error\nTarget: %s\nFound: %s\n",titles[t],htmlTarget,htmlRender);
}
if(plainTarget !== plainRender) {
console.error("Tiddler %s plain text error\nTarget: %s\nFound: %s\n",titles[t],plainTarget,plainRender);
}
}
}
}
};
var processNextSwitch = function() {
if(currSwitch < switches.length) {
var s = switches[currSwitch++],
csw = commandLineSwitches[s.switchName];
if(s.args.length < csw.args.min) {
throw "Command line switch --" + s.switchName + " should have a minimum of " + csw.args.min + " arguments";
}
if(s.args.length > csw.args.max) {
throw "Command line switch --" + s.switchName + " should have a maximum of " + csw.args.max + " arguments";
}
csw.handler(s.args,function (err) {
if(err) {
throw err;
}
process.nextTick(processNextSwitch);
});
}
};
process.nextTick(processNextSwitch);
})();