dragonbones-runtime
Version:
the tools to build dragonbones file for diffrent framework
192 lines (178 loc) • 6.12 kB
text/typescript
//////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014-present, Egret Technology.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Egret nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////
namespace egret.web {
/**
* @private
* XML节点基类
*/
export class XMLNode {
/**
* @private
*/
public constructor(nodeType:number, parent:XML) {
this.nodeType = nodeType;
this.parent = parent;
}
/**
* @private
* 节点类型，1：XML，2：XMLAttribute，3：XMLText
*/
public nodeType:number;
/**
* @private
* 节点所属的父级节点
*/
public parent:XML;
}
/**
* @private
* XML节点对象
*/
export class XML extends XMLNode {
/**
* @private
*/
public constructor(localName:string, parent:XML, prefix:string, namespace:string, name:string) {
super(1, parent);
this.localName = localName;
this.prefix = prefix;
this.namespace = namespace;
this.name = name;
}
/**
* @private
* 当前节点上的属性列表
*/
public attributes:{[key:string]:string} = {};
/**
* @private
* 当前节点的子节点列表
*/
public children:XMLNode[] = [];
/**
* @private
* 节点完整名称。例如节点 <s:Button/> 的 name 为：s:Button
*/
public name:string;
/**
* @private
* 节点的命名空间前缀。例如节点 <s:Button/> 的 prefix 为：s
*/
public prefix:string;
/**
* @private
* 节点的本地名称。例如节点 <s:Button/> 的 localName 为：Button
*/
public localName:string;
/**
* @private
* 节点的命名空间地址。例如节点 <s:Skin xmlns:s="http://ns.egret.com/eui"/> 的 namespace 为： http://ns.egret.com/eui
*/
public namespace:string;
}
/**
* @private
* XML文本节点
*/
export class XMLText extends XMLNode {
/**
* @private
*/
public constructor(text:string, parent:XML) {
super(3, parent);
this.text = text;
}
/**
* @private
* 文本内容
*/
public text:string;
}
let parser = new DOMParser();
/**
* @private
* 解析字符串为XML对象
* @param text 要解析的字符串
*/
function parse(text:string):XML {
let xmlDoc = parser.parseFromString(text, "text/xml");
let length = xmlDoc.childNodes.length;
for (let i = 0; i < length; i++) {
let node = xmlDoc.childNodes[i];
if (node.nodeType == 1) {
return parseNode(node, null);
}
}
return null;
}
/**
* @private
* 解析一个节点
*/
function parseNode(node:Node, parent:XML):XML {
if(node.localName=="parsererror"){
throw new Error(node.textContent);
}
let xml = new XML(node.localName, parent, node["prefix"], node.namespaceURI, node.nodeName);
let nodeAttributes = node.attributes;
let attributes = xml.attributes;
let length = nodeAttributes.length;
for (let i = 0; i < length; i++) {
let attributeNode = nodeAttributes[i];
let name = attributeNode.name;
if (name.indexOf("xmlns:") == 0) {
continue;
}
attributes[name] = attributeNode.value;
xml["$" + name] = attributeNode.value;
}
let childNodes = node.childNodes;
length = childNodes.length;
let children = xml.children;
for (let i = 0; i < length; i++) {
let childNode = childNodes[i];
let nodeType = childNode.nodeType;
let childXML:any = null;
if (nodeType == 1) {
childXML = parseNode(childNode, xml);
}
else if (nodeType == 3) {
let text = childNode.textContent.trim();
if (text) {
childXML = new XMLText(text, xml);
}
}
if (childXML) {
children.push(childXML);
}
}
return xml;
}
egret.XML = {parse: parse};
}