beginnings of pbxProject interface

Author: alunny

lib/parseJob.js

@@ -0,0 +1,16 @@
+// parsing is slow and blocking right now
+// so we do it in a separate process
+var fs = require('fs'),
+    parser = require('./parser/pbxproj'),
+    path = process.argv[2],
+    fileContents, obj;
+
+try {
+    fileContents = fs.readFileSync(path, 'utf-8'),
+    obj = parser.parse(fileContents)
+    process.send(obj)
+    process.exit()
+} catch (e) {
+    process.send(e)
+    process.exit(1)
+}

lib/pbxProject.js

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+var util = require('util'),
+    EventEmitter = require('events').EventEmitter,
+    path = require('path'),
+    fork = require('child_process').fork
+
+function pbxProject(filename) {
+    this.filepath = path.resolve(filename)
+}
+
+util.inherits(pbxProject, EventEmitter)
+
+pbxProject.prototype.parse = function (cb) {
+    var worker = fork(__dirname + '/parseJob.js', [this.filepath])
+
+    worker.on('message', function (msg) {
+        if (msg.code) {
+            this.emit('error', msg);
+        } else {
+            this.hash = msg;
+            this.emit('end', null, msg)
+        }
+    }.bind(this));
+
+    if (cb)
+        this.on('end', cb);
+
+    return this;
+}
+
+module.exports = pbxProject;

test/pbxProject.js

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+var pbx = require('../lib/pbxProject')
+
+exports['parse function'] = {
+    'should emit an "end" event': function (test) {
+        var myProj = new pbx('test/parser/projects/hash.pbxproj');
+
+        myProj.parse().on('end', function (err, projHash) {
+            test.done();
+        })
+    },
+    'should take the end callback as a parameter': function (test) {
+        var myProj = new pbx('test/parser/projects/hash.pbxproj');
+
+        myProj.parse(function (err, projHash) {
+            test.done();
+        })
+    },
+    'should allow evented error handling': function (test) {
+        var myProj = new pbx('NotARealPath.pbxproj');
+
+        myProj.parse().on('error', function (err) {
+            test.equal(typeof err, "object");
+            test.done();
+        })
+    },
+    'should pass the hash object to the callback function': function (test) {
+        var myProj = new pbx('test/parser/projects/hash.pbxproj');
+
+        myProj.parse(function (err, projHash) {
+            test.ok(projHash);
+            test.done();
+        })
+    },
+    'should attach the hash object to the pbx object': function (test) {
+        var myProj = new pbx('test/parser/projects/hash.pbxproj');
+
+        myProj.parse(function (err, projHash) {
+            test.ok(myProj.hash);
+            test.done();
+        })
+    }
+}