// Cross browser XMLParser
function parseXML(str) {
try {
var doc;
if (window.DOMParser) {
var parser = new DOMParser();
doc = parser.parseFromString(str, 'text/xml');
} else { // IE
doc = new ActiveXObject('Microsoft.XMLDOM');
doc.async = 'false';
// Remove DOCTYPE ?
doc.loadXML(str);
}
if (
!doc || !doc.documentElement
|| doc.getElementsByTagName('parsererror').length
) {
log('Invalid XML: ' + str);
} else {
return doc;
}
} catch (e) {
return null;
}
}
var parseNode = function(xmlNode, parent, parentStyle) {
var nodeName = xmlNode.nodeName.toLowerCase();
if (nodeName === 'defs') {
inDefine = true;
}
var styleMap;
var el;
if (inDefine) {
var parser = defineParsers[nodeName];
if (parser) {
var def = parser(xmlNode);
var id = xmlNode.getAttribute('id');
if (id) {
defs[id] = def;
}
}
} else {
var parser = nodeParsers[nodeName];
if (parser) {
el = parser(xmlNode, parentStyle, defs);
if (!el) {
log("Unsupported svg node " + nodeName);
return;
}
// 解析通用样式
styleMap = parseAttributes(xmlNode);
// PENDING
for (var name in parentStyle) {
if (!styleMap[name]) {
styleMap[name] = parentStyle[name];
}
}
// 解析坐标变换
var m = parseTransformAttribute(xmlNode);
if (m) {
el.transform = m;
el.decomposeTransform();
}
var id = xmlNode.getAttribute('id');
if (id) {
el.id = namespace + '/' + id;
}
// Is a shape
if (el.type !== 'group') {
extendShapeCommonStyle(el, styleMap, defs);
}
parent.addChild(el);
}
}
if (inDefine || nodeName === 'g') {
var child = xmlNode.firstChild;
while (child) {
if (child.nodeType === 1){
parseNode(child, el, styleMap);
}
child = child.nextSibling;
}
}
// Quit define
if (nodeName === 'defs') {
inDefine = false;
}
}