added the XMLBuilder class

.gitignore

@@ -0,0 +1 @@
+lib/

Makefile

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+dev:
+	@rm -fr lib/
+	@test `which coffee` || echo 'You need to have CoffeeScript installed.'
+	@coffee -c -o lib src/*.coffee
+
+publish: dev
+	@test `which npm` || echo 'You need to have npm installed.'
+	npm publish
+	@rm -fr lib/
+

package.json

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+{ "name" : "xmlbuilder"
+, "version": "0.0.1"
+, "description": "An XML builder for node.js"
+, "author": "Ozgur Ozcitak <oozcitak@gmail.com>"
+, "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://opensource.org/licenses/mit-license.php" 
+    } 
+  ]
+, "repositories": [
+    {
+      "type": "git",
+      "url": "git://github.com/oozcitak/xmlbuilder-js.git" 
+    } 
+  ]
+, "bugs": {
+    "web": "http://github.com/oozcitak/xmlbuilder-js/issues"
+  }
+, "directories": {
+    "lib": "./lib"
+  }
+, "dependencies": {}
+}
+

src/index.coffee

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+module.exports = 
+
+  builder: (options) ->
+    new @XMLBuilder options
+
+module.exports.__defineGetter__ 'XMLBuilder', ->
+  require './xmlbuilder'

src/xmlbuilder.coffee

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+# xmlbuilder
+# ==========
+# An XML builder for node.js
+# Copyright Ozgur Ozcitak 2010
+# Licensed under the MIT license
+
+class XMLBuilder
+
+  decorators:
+    OpenTag: '<'
+    CloseTag: '>'
+    CloseSOTag: '/>'
+    AttDelim: '='
+    AttSep: ' '
+    Quote: '"'
+    Space: ' '
+    Indent: '  '
+
+  # Regular expressions to validate tokens
+  # See: http://www.w3.org/TR/xml/ 
+  # Supplementary Unicode code points not supported
+  validators:
+    Space:
+      "(?:\u0020|\u0009|\u000D|\u000A)+"
+    Char:
+      "\u0009|\u000A|\u000D|[\u0020-\uD7FF]|[\uE000-\uFFFD]"
+    NameStartChar:
+      ":|[A-Z]|_|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|" +
+      "[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|" + 
+      "[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]"
+    NameChar:
+      ":|[A-Z]|_|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|" +
+      "[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|" + 
+      "[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]" +
+      "-|\.|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040]"
+    CharRef:
+      "&#[0-9]+;|&#x[0-9a-fA-F]+;"
+    CharData:
+      "(?![^<&]*]]>[^<&]*)[^<&]*"
+
+  constructor: (options) ->
+    @reset ()
+
+    options or= { indent: false, validate: true };
+    @settings = {}
+    @settings.indent = options.indent or false
+    @settings.validate = options.validate or true
+
+    # build compound validation strings
+    @validators.Name = @validators.NameStartChar + '(?:' + @validators.NameChar + ')*'
+    @validators.NMToken = '(?:' + @validators.NameChar + ')+'
+    @validators.EntityRef = '&' + @validators.Name + ';'
+    @validators.Reference = @validators.EntityRef + '|' + @validators.CharRef
+    @validators.PEReference = '%' + @validators.Name + ';'
+    if @decorators.Quote == '"'
+      @validators.EntityValue = '(?:[^%&"]|%' + @validators.Name + ';|&' + @validators.Name + ';)*'
+    else
+      @validators.EntityValue = "'(?:[^%&']|%" + @validators.Name + ';|&' + @validators.Name + ';)*'
+    if @decorators.Quote == '"'
+      @validators.AttValue = '(?:[^<&"]|' + @validators.Reference + ')*'
+    else
+      @validators.AttValue = "(?:[^<&']|" + @validators.Reference + ')*'     
+    if @decorators.Quote == '"'
+      @validators.SystemLiteral = '[^"]*'
+    else
+      @validators.SystemLiteral = "[^']*"
+    if @decorators.Quote == '"'
+      @validators.PubIDChar = "\u0020|\u000D|\u000A|[a-zA-Z0-9]|[-'()+,./:=?;!*#@$_%]"
+    else
+      @validators.PubIDChar = "\u0020|\u000D|\u000A|[a-zA-Z0-9]|[-()+,./:=?;!*#@$_%]"
+    @validators.PubIDLiteral = '(?:' + @validators.PubIDChar + ')*'
+    @validators.CommentChar = '(?!-)' + '(?:' + @validators.Char + ')'
+    @validators.Comment = '<!--' + '(?:' + @validators.CommentChar + '|' + 
+      '-' + @validators.CommentChar + ')*'  + '-->'
+
+  reset: () =>
+    @elements = []
+    @level = 0
+
+  prolog: () =>
+    # FIXME
+    @elements.push '<?xml version="1.0"?>'
+
+  element: (name, attributes, callback) =>
+    value = undefined
+    if typeof callback is "string"
+      value = callback
+      callback = undefined
+
+    # open tag
+    if not name?
+      throw new Error "Missing element name"
+    if @settings.validate and not name.match "^" + @validators.Name + "$"
+      throw new Error "Invalid element name: " + name
+    @elements.push @decorators.OpenTag + name
+
+    # attributes
+    if attributes?
+      for attName, attValue of attributes
+        if @settings.validate and not attName.match "^" + @validators.Name + "$"
+          throw new Error "Invalid attribute name: " + attName
+        if @settings.validate and not attValue.match "^" + @validators.AttValue + "$"
+          throw new Error "Invalid attribute value: " + attValue
+        @elements.push @decorators.Space + attName + @decorators.Equals + 
+          @decorators.Quote + attValue + @decorators.Quote
+
+    # value or inner tags
+    if value?
+      if @settings.validate and not value.match "^" + @validators.EntityValue + "$"
+        throw new Error "Invalid element value: " + value
+      @elements.push value
+    else if callback?
+      callback
+
+    # close tag
+    if value? or callback?
+      @elements.push @decorators.CloseTag
+    else
+      @elements.push @decorators.CloseSOTag
+
+  text: (value) =>
+    if not value?
+      throw new Error "Missing text value"
+    if @settings.validate and not value.match "^" + @validators.EntityValue + "$"
+      throw new Error "Invalid text value: " + value
+    @elements.push value
+
+  toString: ->
+    r = ""
+    for e in @elements
+      r += e
+    return r
+
+  # aliases
+  pro: () => @prolog
+  ele: (name, attributes, callback) => @element name, attributes, callback
+  txt: (value) => @text value
+
+module.exports = XMLBuilder