module wizzi.mtree.basicLoader
    kind jsfile

	#
		# This basic loader is for testing plugins.
		# The loadMTree function loads an mTree from a 
		# single IttfDocument without include, mix, append and evaluate.
		# Does not require a loadContext.
		# The IttfDocument must be stored in the
		# filesystem (mongodb and localstorage store kinds 
		# are not supported).
    
	var util = require('util')
    var path = require('path')
	var file = require('./file')
    var liner = require('./liner')
    var nodifier = require('./nodifier')
	var MTree = require('./mTree').MTree
    
	var md
        set module.exports =
            { 
    
	set md.loadMTree
        function loadMTree
            string primaryIttfDocumentUri
			param notUsed
            callback

			if typeof(callback) !== 'function'
                throw 
                    new Error("wizzi-mtree/lib/basicloader/loadMTree. A callback is required. Uri: " + primaryIttfDocumentUri)

			var sourceText 
				_ file.read
					@ primaryIttfDocumentUri

			var mTree = new MTree(primaryIttfDocumentUri)
			_ mTree.load
				@ sourceText
				{
					@ sourceKey 's1'
			var nodes = mTree.nodes
			set mTree.nodes = []
			foreach item in nodes
				var final_node = _to_final_mtree(null, item)
				_ mTree.nodes.push
					@ final_node
			return
				_ callback
					@ null
					@ mTree

	function _to_final_mtree
		param parent
		param node
		var final_node
			{
				@ parent parent
				@ children []
				@ n node.name
				@ v node.value
				@ r node.row
				@ c node.col
				@ s node.brickKey
				@ u node.sourceKey
		foreach item in node.children
			var final_node_child = _to_final_mtree(final_node, item)
			_ final_node.children.push
				@ final_node_child
		return final_node