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NativeXml.hx
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NativeXml.hx
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/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package flash;
import flash.xml.XML;
import flash.xml.XMLList;
extern enum XmlType {}
typedef NativeXml = Xml;
class Xml {
public static var Element(default, null):XmlType;
public static var PCData(default, null):XmlType;
public static var CData(default, null):XmlType;
public static var Comment(default, null):XmlType;
public static var DocType(default, null):XmlType;
public static var ProcessingInstruction(default, null):XmlType;
public static var Document(default, null):XmlType;
public var nodeType(default, null):XmlType;
public var nodeName(get, set):String;
public var nodeValue(get, set):String;
public var parent(get, null):Xml;
var _node:flash.xml.XML;
public static function parse(str:String):Xml {
XML.ignoreWhitespace = false;
XML.ignoreProcessingInstructions = false;
XML.ignoreComments = false;
var prefix = "<__document";
var root = null;
while (root == null) {
try {
root = new flash.xml.XML(prefix + ">" + str + "</__document>");
} catch (e:flash.errors.TypeError) {
// if we miss a namespace, let's add it !
var r = ~/"([^"]+)"/; // "
if (e.errorID == 1083 && r.match(e.message)) {
var ns = r.matched(1);
prefix += " xmlns:" + ns + '="@' + ns + '"';
} else
throw e;
}
}
return wrap(root, Xml.Document);
}
@:keep static function compare(a:Xml, b:Xml):Bool {
return a == null ? b == null : (b == null ? false : a._node == b._node);
}
private function new():Void {}
public static function createElement(name:String):Xml {
return wrap(new flash.xml.XML("<" + name + "/>"), Xml.Element);
}
public static function createPCData(data:String):Xml {
XML.ignoreWhitespace = false;
return wrap(new flash.xml.XML(data), Xml.PCData);
}
public static function createCData(data:String):Xml {
return wrap(new flash.xml.XML("<![CDATA[" + data + "]]>"), Xml.CData);
}
public static function createComment(data:String):Xml {
XML.ignoreComments = false;
return wrap(new flash.xml.XML("<!--" + data + "-->"), Xml.Comment);
}
public static function createDocType(data:String):Xml {
return wrap(new flash.xml.XML("<!DOCTYPE " + data + ">"), Xml.DocType);
}
public static function createProcessingInstruction(data:String):Xml {
XML.ignoreProcessingInstructions = false;
return wrap(new flash.xml.XML("<?" + data + "?>"), Xml.ProcessingInstruction);
}
public static function createDocument():Xml {
return wrap(new flash.xml.XML("<__document/>"), Xml.Document);
}
private static function getNodeType(node:flash.xml.XML):XmlType {
switch (node.nodeKind()) {
case "element":
return Xml.Element;
case "text":
return Xml.PCData;
case "processing-instruction":
return Xml.ProcessingInstruction;
case "comment":
return Xml.Comment;
default:
throw "unimplemented node type: " + node.nodeType;
}
}
private function get_nodeName():String {
if (nodeType != Xml.Element)
throw "bad nodeType";
var ns = _node.namespace();
return (ns.prefix == "") ? _node.localName() : ns.prefix + ":" + _node.localName();
}
private function set_nodeName(n:String):String {
if (nodeType != Xml.Element)
throw "bad nodeType";
var ns = n.split(":");
if (ns.length == 1)
_node.setLocalName(n);
else {
_node.setLocalName(ns[1]);
_node.setNamespace(_node.namespace(ns[0]));
}
return n;
}
private function get_nodeValue():String {
var nodeType = nodeType;
if (nodeType == Xml.Element || nodeType == Xml.Document)
throw "bad nodeType";
if (nodeType == Xml.Comment)
return _node.toString().substr(4, -7);
return _node.toString();
}
private function set_nodeValue(v:String):String {
var nodeType = nodeType;
var x = null;
if (nodeType == Xml.Element || nodeType == Xml.Document)
throw "bad nodeType";
else if (nodeType == Xml.PCData)
x = createPCData(v);
else if (nodeType == Xml.CData)
x = createCData(v);
else if (nodeType == Xml.Comment)
x = createComment(v);
else if (nodeType == Xml.DocType)
x = createDocType(v);
else
x = createProcessingInstruction(v);
var p = _node.parent();
if (p != null) {
p.insertChildAfter(_node, x._node);
var i = _node.childIndex();
var children = p.children();
untyped __delete__(children, Reflect.fields(children)[i]);
}
_node = x._node;
return v;
}
private function get_parent():Xml {
var p = _node.parent();
return p == null ? null : wrap(p);
}
private static function wrap(node:XML, ?type:XmlType):Xml {
var x = new Xml();
x._node = node;
x.nodeType = (type != null) ? type : getNodeType(node);
return x;
}
private function wraps(xList:XMLList):Array<Xml> {
var out = new Array<Xml>();
for (i in 0...xList.length())
out.push(wrap(xList[i]));
return out;
}
function getAttribNS(cur:XML, ns:Array<String>):XMLList {
var n = cur.namespace(ns[0]);
if (n == null) {
var parent = cur.parent();
if (parent == null) {
n = new flash.utils.Namespace(ns[0], "@" + ns[0]);
cur.addNamespace(n);
} else
return getAttribNS(parent, ns);
}
return _node.attribute(new flash.utils.QName(n, ns[1]));
}
public function get(att:String):String {
if (nodeType != Xml.Element)
throw "bad nodeType";
var ns = att.split(":");
if (ns[0] == "xmlns") {
var n = _node.namespace((ns[1] == null) ? "" : ns[1]);
return (n == null) ? null : n.uri;
}
if (ns.length == 1) {
if (!Reflect.hasField(_node, "@" + att))
return null;
return Reflect.field(_node, "@" + att);
}
var a = getAttribNS(_node, ns);
return (a.length() == 0) ? null : a.toString();
}
public function set(att:String, value:String):Void {
if (nodeType != Xml.Element)
throw "bad nodeType";
var ns = att.split(":");
if (ns[0] == "xmlns") {
var n = _node.namespace((ns[1] == null) ? "" : ns[1]);
if (n != null)
throw "Can't modify namespace";
if (ns[1] == null)
throw "Can't set default namespace";
_node.addNamespace(new flash.utils.Namespace(ns[1], value));
return;
}
if (ns.length == 1)
Reflect.setField(_node, "@" + att, value);
else {
var a = getAttribNS(_node, ns);
untyped a[0] = value;
}
}
public function remove(att:String):Void {
if (nodeType != Xml.Element)
throw "bad nodeType";
var ns = att.split(":");
if (ns.length == 1)
Reflect.deleteField(_node, "@" + att);
else
untyped __delete__(getAttribNS(_node, ns), 0);
}
public function exists(att:String):Bool {
if (nodeType != Xml.Element)
throw "bad nodeType";
var ns = att.split(":");
if (ns[0] == "xmlns")
return _node.namespace((ns[1] == null) ? "" : ns[1]) != null;
if (ns.length == 1)
return Reflect.hasField(_node, "@" + att);
return getAttribNS(_node, ns).length() > 0;
}
public function attributes():Iterator<String> {
if (nodeType != Xml.Element)
throw "bad nodeType";
var attributes:XMLList = _node.attributes();
var names = Reflect.fields(attributes);
var cur = 0;
var nss = _node.namespaceDeclarations();
return {
hasNext: function() {
return cur < names.length + nss.length;
},
next: function() {
if (cur < names.length) {
return attributes[Std.parseInt(names[cur++])].name();
} else {
var ns:flash.utils.Namespace = nss[cur++ - names.length];
return "xmlns:" + ns.prefix;
}
}
}
}
public function iterator():Iterator<Xml> {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
var children:XMLList = _node.children();
var wrappers:Array<Xml> = wraps(children);
var cur = 0;
return {
hasNext: function() {
return cur < wrappers.length;
},
next: function() {
return wrappers[cur++];
}
};
}
public function elements():Iterator<Xml> {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
var elements:XMLList = _node.elements();
var wrappers:Array<Xml> = wraps(elements);
var cur = 0;
return {
hasNext: function() {
return cur < wrappers.length;
},
next: function() {
return wrappers[cur++];
}
};
}
public function elementsNamed(name:String):Iterator<Xml> {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
var ns = name.split(":");
var elements:XMLList;
if (ns.length == 1)
elements = _node.elements(name);
else
elements = _node.elements();
var wrappers:Array<Xml> = wraps(elements);
if (ns.length != 1)
for (w in wrappers.copy())
if (w._node.localName() != ns[1] || w._node.namespace().prefix != ns[0])
wrappers.remove(w);
var cur = 0;
return {
hasNext: function() {
return cur < wrappers.length;
},
next: function() {
return wrappers[cur++];
}
};
}
public function firstChild():Xml {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
var children:XMLList = _node.children();
if (children.length() == 0)
return null;
return wrap(children[0]);
}
public function firstElement():Xml {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
var elements:XMLList = _node.elements();
if (elements.length() == 0)
return null;
return wrap(elements[0]);
}
public function addChild(x:Xml):Void {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
if (x.parent != null)
x.parent.removeChild(x);
var children:XMLList = _node.children();
_node.appendChild(x._node);
}
public function removeChild(x:Xml):Bool {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
var children:XMLList = _node.children();
if (_node != x._node.parent())
return false;
var i = x._node.childIndex();
untyped __delete__(children, Reflect.fields(children)[i]);
return true;
}
public function insertChild(x:Xml, pos:Int):Void {
if (nodeType != Xml.Element && nodeType != Xml.Document)
throw "bad nodeType";
if (x.parent != null)
x.parent.removeChild(x);
var children:XMLList = _node.children();
if (pos < children.length())
_node.insertChildBefore(children[pos], x._node);
else
_node.appendChild(x._node);
}
public function toString():String {
XML.prettyPrinting = false;
if (nodeType == Xml.Document) {
var str = _node.toXMLString();
// remove <__document xmlns....>STR</__document> wrapper
str = str.substr(str.indexOf(">") + 1);
str = str.substr(0, str.length - 13);
return str;
}
return _node.toXMLString();
}
static function __init__():Void
untyped {
Element = "element";
PCData = "pcdata";
CData = "cdata";
Comment = "comment";
DocType = "doctype";
ProcessingInstruction = "processingInstruction";
Document = "document";
}
}