// Generated by CoffeeScript 2.4.1
(function() {
  var NodeType, WriterState, XMLAttribute, XMLCData, XMLComment, XMLDTDAttList, XMLDTDElement, XMLDTDEntity, XMLDTDNotation, XMLDeclaration, XMLDocType, XMLDocument, XMLDocumentCB, XMLElement, XMLProcessingInstruction, XMLRaw, XMLStringWriter, XMLStringifier, XMLText, getValue, isFunction, isObject, isPlainObject,
    hasProp = {}.hasOwnProperty;

  ({isObject, isFunction, isPlainObject, getValue} = require('./Utility'));

  NodeType = require('./NodeType');

  XMLDocument = require('./XMLDocument');

  XMLElement = require('./XMLElement');

  XMLCData = require('./XMLCData');

  XMLComment = require('./XMLComment');

  XMLRaw = require('./XMLRaw');

  XMLText = require('./XMLText');

  XMLProcessingInstruction = require('./XMLProcessingInstruction');

  XMLDeclaration = require('./XMLDeclaration');

  XMLDocType = require('./XMLDocType');

  XMLDTDAttList = require('./XMLDTDAttList');

  XMLDTDEntity = require('./XMLDTDEntity');

  XMLDTDElement = require('./XMLDTDElement');

  XMLDTDNotation = require('./XMLDTDNotation');

  XMLAttribute = require('./XMLAttribute');

  XMLStringifier = require('./XMLStringifier');

  XMLStringWriter = require('./XMLStringWriter');

  WriterState = require('./WriterState');

  // Represents an XML builder
  module.exports = XMLDocumentCB = class XMLDocumentCB {
    // Initializes a new instance of `XMLDocumentCB`

    // `options.keepNullNodes` whether nodes with null values will be kept
    //     or ignored: true or false
    // `options.keepNullAttributes` whether attributes with null values will be
    //     kept or ignored: true or false
    // `options.ignoreDecorators` whether decorator strings will be ignored when
    //     converting JS objects: true or false
    // `options.separateArrayItems` whether array items are created as separate
    //     nodes when passed as an object value: true or false
    // `options.noDoubleEncoding` whether existing html entities are encoded:
    //     true or false
    // `options.stringify` a set of functions to use for converting values to
    //     strings
    // `options.writer` the default XML writer to use for converting nodes to
    //     string. If the default writer is not set, the built-in XMLStringWriter
    //     will be used instead.

    // `onData` the function to be called when a new chunk of XML is output. The
    //          string containing the XML chunk is passed to `onData` as its first
    //          argument, and the current indentation level as its second argument.
    // `onEnd`  the function to be called when the XML document is completed with
    //          `end`. `onEnd` does not receive any arguments.
    constructor(options, onData, onEnd) {
      var writerOptions;
      this.name = "?xml";
      this.type = NodeType.Document;
      options || (options = {});
      writerOptions = {};
      if (!options.writer) {
        options.writer = new XMLStringWriter();
      } else if (isPlainObject(options.writer)) {
        writerOptions = options.writer;
        options.writer = new XMLStringWriter();
      }
      this.options = options;
      this.writer = options.writer;
      this.writerOptions = this.writer.filterOptions(writerOptions);
      this.stringify = new XMLStringifier(options);
      this.onDataCallback = onData || function() {};
      this.onEndCallback = onEnd || function() {};
      this.currentNode = null;
      this.currentLevel = -1;
      this.openTags = {};
      this.documentStarted = false;
      this.documentCompleted = false;
      this.root = null;
    }

    // Creates a child element node from the given XMLNode

    // `node` the child node
    createChildNode(node) {
      var att, attName, attributes, child, i, len, ref, ref1;
      switch (node.type) {
        case NodeType.CData:
          this.cdata(node.value);
          break;
        case NodeType.Comment:
          this.comment(node.value);
          break;
        case NodeType.Element:
          attributes = {};
          ref = node.attribs;
          for (attName in ref) {
            if (!hasProp.call(ref, attName)) continue;
            att = ref[attName];
            attributes[attName] = att.value;
          }
          this.node(node.name, attributes);
          break;
        case NodeType.Dummy:
          this.dummy();
          break;
        case NodeType.Raw:
          this.raw(node.value);
          break;
        case NodeType.Text:
          this.text(node.value);
          break;
        case NodeType.ProcessingInstruction:
          this.instruction(node.target, node.value);
          break;
        default:
          throw new Error("This XML node type is not supported in a JS object: " + node.constructor.name);
      }
      ref1 = node.children;
      // write child nodes recursively
      for (i = 0, len = ref1.length; i < len; i++) {
        child = ref1[i];
        this.createChildNode(child);
        if (child.type === NodeType.Element) {
          this.up();
        }
      }
      return this;
    }

    // Creates a dummy node

    dummy() {
      // no-op, just return this
      return this;
    }

    // Creates a node

    // `name` name of the node
    // `attributes` an object containing name/value pairs of attributes
    // `text` element text
    node(name, attributes, text) {
      if (name == null) {
        throw new Error("Missing node name.");
      }
      if (this.root && this.currentLevel === -1) {
        throw new Error("Document can only have one root node. " + this.debugInfo(name));
      }
      this.openCurrent();
      name = getValue(name);
      if (attributes == null) {
        attributes = {};
      }
      attributes = getValue(attributes);
      // swap argument order: text <-> attributes
      if (!isObject(attributes)) {
        [text, attributes] = [attributes, text];
      }
      this.currentNode = new XMLElement(this, name, attributes);
      this.currentNode.children = false;
      this.currentLevel++;
      this.openTags[this.currentLevel] = this.currentNode;
      if (text != null) {
        this.text(text);
      }
      return this;
    }

    // Creates a child element node or an element type declaration when called
    // inside the DTD

    // `name` name of the node
    // `attributes` an object containing name/value pairs of attributes
    // `text` element text
    element(name, attributes, text) {
      var child, i, len, oldValidationFlag, ref, root;
      if (this.currentNode && this.currentNode.type === NodeType.DocType) {
        this.dtdElement(...arguments);
      } else {
        if (Array.isArray(name) || isObject(name) || isFunction(name)) {
          oldValidationFlag = this.options.noValidation;
          this.options.noValidation = true;
          root = new XMLDocument(this.options).element('TEMP_ROOT');
          root.element(name);
          this.options.noValidation = oldValidationFlag;
          ref = root.children;
          for (i = 0, len = ref.length; i < len; i++) {
            child = ref[i];
            this.createChildNode(child);
            if (child.type === NodeType.Element) {
              this.up();
            }
          }
        } else {
          this.node(name, attributes, text);
        }
      }
      return this;
    }

    // Adds or modifies an attribute

    // `name` attribute name
    // `value` attribute value
    attribute(name, value) {
      var attName, attValue;
      if (!this.currentNode || this.currentNode.children) {
        throw new Error("att() can only be used immediately after an ele() call in callback mode. " + this.debugInfo(name));
      }
      if (name != null) {
        name = getValue(name);
      }
      if (isObject(name)) { // expand if object
        for (attName in name) {
          if (!hasProp.call(name, attName)) continue;
          attValue = name[attName];
          this.attribute(attName, attValue);
        }
      } else {
        if (isFunction(value)) {
          value = value.apply();
        }
        if (this.options.keepNullAttributes && (value == null)) {
          this.currentNode.attribs[name] = new XMLAttribute(this, name, "");
        } else if (value != null) {
          this.currentNode.attribs[name] = new XMLAttribute(this, name, value);
        }
      }
      return this;
    }

    // Creates a text node

    // `value` element text
    text(value) {
      var node;
      this.openCurrent();
      node = new XMLText(this, value);
      this.onData(this.writer.text(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates a CDATA node

    // `value` element text without CDATA delimiters
    cdata(value) {
      var node;
      this.openCurrent();
      node = new XMLCData(this, value);
      this.onData(this.writer.cdata(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates a comment node

    // `value` comment text
    comment(value) {
      var node;
      this.openCurrent();
      node = new XMLComment(this, value);
      this.onData(this.writer.comment(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Adds unescaped raw text

    // `value` text
    raw(value) {
      var node;
      this.openCurrent();
      node = new XMLRaw(this, value);
      this.onData(this.writer.raw(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Adds a processing instruction

    // `target` instruction target
    // `value` instruction value
    instruction(target, value) {
      var i, insTarget, insValue, len, node;
      this.openCurrent();
      if (target != null) {
        target = getValue(target);
      }
      if (value != null) {
        value = getValue(value);
      }
      if (Array.isArray(target)) { // expand if array
        for (i = 0, len = target.length; i < len; i++) {
          insTarget = target[i];
          this.instruction(insTarget);
        }
      } else if (isObject(target)) { // expand if object
        for (insTarget in target) {
          if (!hasProp.call(target, insTarget)) continue;
          insValue = target[insTarget];
          this.instruction(insTarget, insValue);
        }
      } else {
        if (isFunction(value)) {
          value = value.apply();
        }
        node = new XMLProcessingInstruction(this, target, value);
        this.onData(this.writer.processingInstruction(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      }
      return this;
    }

    // Creates the xml declaration

    // `version` A version number string, e.g. 1.0
    // `encoding` Encoding declaration, e.g. UTF-8
    // `standalone` standalone document declaration: true or false
    declaration(version, encoding, standalone) {
      var node;
      this.openCurrent();
      if (this.documentStarted) {
        throw new Error("declaration() must be the first node.");
      }
      node = new XMLDeclaration(this, version, encoding, standalone);
      this.onData(this.writer.declaration(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates the document type declaration

    // `root`  the name of the root node
    // `pubID` the public identifier of the external subset
    // `sysID` the system identifier of the external subset
    doctype(root, pubID, sysID) {
      this.openCurrent();
      if (root == null) {
        throw new Error("Missing root node name.");
      }
      if (this.root) {
        throw new Error("dtd() must come before the root node.");
      }
      this.currentNode = new XMLDocType(this, pubID, sysID);
      this.currentNode.rootNodeName = root;
      this.currentNode.children = false;
      this.currentLevel++;
      this.openTags[this.currentLevel] = this.currentNode;
      return this;
    }

    // Creates an element type declaration

    // `name` element name
    // `value` element content (defaults to #PCDATA)
    dtdElement(name, value) {
      var node;
      this.openCurrent();
      node = new XMLDTDElement(this, name, value);
      this.onData(this.writer.dtdElement(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates an attribute declaration

    // `elementName` the name of the element containing this attribute
    // `attributeName` attribute name
    // `attributeType` type of the attribute (defaults to CDATA)
    // `defaultValueType` default value type (either #REQUIRED, #IMPLIED, #FIXED or
    //                    #DEFAULT) (defaults to #IMPLIED)
    // `defaultValue` default value of the attribute
    //                (only used for #FIXED or #DEFAULT)
    attList(elementName, attributeName, attributeType, defaultValueType, defaultValue) {
      var node;
      this.openCurrent();
      node = new XMLDTDAttList(this, elementName, attributeName, attributeType, defaultValueType, defaultValue);
      this.onData(this.writer.dtdAttList(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates a general entity declaration

    // `name` the name of the entity
    // `value` internal entity value or an object with external entity details
    // `value.pubID` public identifier
    // `value.sysID` system identifier
    // `value.nData` notation declaration
    entity(name, value) {
      var node;
      this.openCurrent();
      node = new XMLDTDEntity(this, false, name, value);
      this.onData(this.writer.dtdEntity(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates a parameter entity declaration

    // `name` the name of the entity
    // `value` internal entity value or an object with external entity details
    // `value.pubID` public identifier
    // `value.sysID` system identifier
    pEntity(name, value) {
      var node;
      this.openCurrent();
      node = new XMLDTDEntity(this, true, name, value);
      this.onData(this.writer.dtdEntity(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Creates a NOTATION declaration

    // `name` the name of the notation
    // `value` an object with external entity details
    // `value.pubID` public identifier
    // `value.sysID` system identifier
    notation(name, value) {
      var node;
      this.openCurrent();
      node = new XMLDTDNotation(this, name, value);
      this.onData(this.writer.dtdNotation(node, this.writerOptions, this.currentLevel + 1), this.currentLevel + 1);
      return this;
    }

    // Gets the parent node
    up() {
      if (this.currentLevel < 0) {
        throw new Error("The document node has no parent.");
      }
      if (this.currentNode) {
        if (this.currentNode.children) {
          this.closeNode(this.currentNode);
        } else {
          this.openNode(this.currentNode);
        }
        this.currentNode = null;
      } else {
        this.closeNode(this.openTags[this.currentLevel]);
      }
      delete this.openTags[this.currentLevel];
      this.currentLevel--;
      return this;
    }

    // Ends the document
    end() {
      while (this.currentLevel >= 0) {
        this.up();
      }
      return this.onEnd();
    }

    // Opens the current parent node
    openCurrent() {
      if (this.currentNode) {
        this.currentNode.children = true;
        return this.openNode(this.currentNode);
      }
    }

    // Writes the opening tag of the current node or the entire node if it has
    // no child nodes
    openNode(node) {
      var att, chunk, name, ref;
      if (!node.isOpen) {
        if (!this.root && this.currentLevel === 0 && node.type === NodeType.Element) {
          this.root = node;
        }
        chunk = '';
        if (node.type === NodeType.Element) {
          this.writerOptions.state = WriterState.OpenTag;
          chunk = this.writer.indent(node, this.writerOptions, this.currentLevel) + '<' + node.name;
          ref = node.attribs;
          for (name in ref) {
            if (!hasProp.call(ref, name)) continue;
            att = ref[name];
            chunk += this.writer.attribute(att, this.writerOptions, this.currentLevel);
          }
          chunk += (node.children ? '>' : '/>') + this.writer.endline(node, this.writerOptions, this.currentLevel);
          this.writerOptions.state = WriterState.InsideTag; // if node.type is NodeType.DocType
        } else {
          this.writerOptions.state = WriterState.OpenTag;
          chunk = this.writer.indent(node, this.writerOptions, this.currentLevel) + '<!DOCTYPE ' + node.rootNodeName;
          
          // external identifier
          if (node.pubID && node.sysID) {
            chunk += ' PUBLIC "' + node.pubID + '" "' + node.sysID + '"';
          } else if (node.sysID) {
            chunk += ' SYSTEM "' + node.sysID + '"';
          }
          
          // internal subset
          if (node.children) {
            chunk += ' [';
            this.writerOptions.state = WriterState.InsideTag;
          } else {
            this.writerOptions.state = WriterState.CloseTag;
            chunk += '>';
          }
          chunk += this.writer.endline(node, this.writerOptions, this.currentLevel);
        }
        this.onData(chunk, this.currentLevel);
        return node.isOpen = true;
      }
    }

    // Writes the closing tag of the current node
    closeNode(node) {
      var chunk;
      if (!node.isClosed) {
        chunk = '';
        this.writerOptions.state = WriterState.CloseTag;
        if (node.type === NodeType.Element) {
          chunk = this.writer.indent(node, this.writerOptions, this.currentLevel) + '</' + node.name + '>' + this.writer.endline(node, this.writerOptions, this.currentLevel); // if node.type is NodeType.DocType
        } else {
          chunk = this.writer.indent(node, this.writerOptions, this.currentLevel) + ']>' + this.writer.endline(node, this.writerOptions, this.currentLevel);
        }
        this.writerOptions.state = WriterState.None;
        this.onData(chunk, this.currentLevel);
        return node.isClosed = true;
      }
    }

    // Called when a new chunk of XML is output

    // `chunk` a string containing the XML chunk
    // `level` current indentation level
    onData(chunk, level) {
      this.documentStarted = true;
      return this.onDataCallback(chunk, level + 1);
    }

    // Called when the XML document is completed
    onEnd() {
      this.documentCompleted = true;
      return this.onEndCallback();
    }

    // Returns debug string
    debugInfo(name) {
      if (name == null) {
        return "";
      } else {
        return "node: <" + name + ">";
      }
    }

    // Node aliases
    ele() {
      return this.element(...arguments);
    }

    nod(name, attributes, text) {
      return this.node(name, attributes, text);
    }

    txt(value) {
      return this.text(value);
    }

    dat(value) {
      return this.cdata(value);
    }

    com(value) {
      return this.comment(value);
    }

    ins(target, value) {
      return this.instruction(target, value);
    }

    dec(version, encoding, standalone) {
      return this.declaration(version, encoding, standalone);
    }

    dtd(root, pubID, sysID) {
      return this.doctype(root, pubID, sysID);
    }

    e(name, attributes, text) {
      return this.element(name, attributes, text);
    }

    n(name, attributes, text) {
      return this.node(name, attributes, text);
    }

    t(value) {
      return this.text(value);
    }

    d(value) {
      return this.cdata(value);
    }

    c(value) {
      return this.comment(value);
    }

    r(value) {
      return this.raw(value);
    }

    i(target, value) {
      return this.instruction(target, value);
    }

    // Attribute aliases
    att() {
      if (this.currentNode && this.currentNode.type === NodeType.DocType) {
        return this.attList(...arguments);
      } else {
        return this.attribute(...arguments);
      }
    }

    a() {
      if (this.currentNode && this.currentNode.type === NodeType.DocType) {
        return this.attList(...arguments);
      } else {
        return this.attribute(...arguments);
      }
    }

    // DTD aliases
    // att() and ele() are defined above
    ent(name, value) {
      return this.entity(name, value);
    }

    pent(name, value) {
      return this.pEntity(name, value);
    }

    not(name, value) {
      return this.notation(name, value);
    }

  };

}).call(this);