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TiddlyWiki5/core/modules/commands/print.js
2013-08-09 22:00:42 +01:00

115 lines
3.1 KiB
JavaScript

/*\
title: $:/core/modules/commands/print.js
type: application/javascript
module-type: command
Print command for inspecting TiddlyWiki internals
\*/
(function(){
/*jshint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.info = {
name: "print",
synchronous: true
};
var Command = function(params,commander) {
this.params = params;
this.commander = commander;
this.output = commander.streams.output;
};
Command.prototype.execute = function() {
if(this.params.length < 1) {
return "Too few parameters for print command";
}
var subcommand = this.subcommands[this.params[0]];
if(subcommand) {
return subcommand.call(this);
} else {
return "Unknown subcommand (" + this.params[0] + ") for print command";
}
};
Command.prototype.subcommands = {};
Command.prototype.subcommands.tiddler = function() {
if(this.params.length < 2) {
return "Too few parameters for print tiddler command";
}
var tiddler = this.commander.wiki.getTiddler(this.params[1]);
if(!tiddler) {
return "No such tiddler as '" + this.params[1] + "'";
}
this.output.write("Tiddler '" + this.params[1] + "' contains these fields:\n");
for(var t in tiddler.fields) {
this.output.write(" " + t + ": " + tiddler.getFieldString(t) + "\n");
}
return null; // No error
};
Command.prototype.subcommands.tiddlers = function() {
var tiddlers = this.commander.wiki.getTiddlers();
this.output.write("Wiki contains these tiddlers:\n");
for(var t=0; t<tiddlers.length; t++) {
this.output.write(tiddlers[t] + "\n");
}
return null; // No error
};
Command.prototype.subcommands.system = function() {
var tiddlers = this.commander.wiki.getSystemTitles();
this.output.write("Wiki contains these system tiddlers:\n");
for(var t=0; t<tiddlers.length; t++) {
this.output.write(tiddlers[t] + "\n");
}
return null; // No error
};
Command.prototype.subcommands.config = function() {
var self = this;
var quotePropertyName = function(p) {
var unquotedPattern = /^[A-Za-z0-9_]*$/mg;
if(unquotedPattern.test(p)) {
return p;
} else {
return "[\"" + $tw.utils.stringify(p) + "\"]";
}
},
printConfig = function(object,prefix) {
for(var n in object) {
var v = object[n];
if(typeof v === "object") {
printConfig(v,prefix + "." + quotePropertyName(n));
} else if(typeof v === "string") {
self.output.write(prefix + "." + quotePropertyName(n) + ": \"" + $tw.utils.stringify(v) + "\"\n");
} else {
self.output.write(prefix + "." + quotePropertyName(n) + ": " + v.toString() + "\n");
}
}
},
printObject = function(heading,object) {
self.output.write(heading +"\n");
for(var n in object) {
self.output.write(" " + n + "\n");
}
};
this.output.write("Configuration:\n");
printConfig($tw.config," $tw.config");
printObject("Tiddler field modules:",$tw.Tiddler.fieldModules);
printObject("Loaded modules:",$tw.modules.titles);
printObject("Command modules:",$tw.commands);
printObject("Parser modules:",$tw.wiki.parsers);
printObject("Macro modules:",$tw.wiki.macros);
printObject("Deserializer modules:",$tw.Wiki.tiddlerDeserializerModules);
return null; // No error
};
exports.Command = Command;
})();