go!

lib/svg2js.js

@@ -0,0 +1,126 @@
+var Q = require('q'),
+    SAX = require('sax'),
+    TOOLS = require('./tools'),
+    JSAPI = require('./jsAPI');
+
+/**
+ * Convert SVG (XML) string to SVG-as-JS object.
+ *
+ * @param {String} svg SVG (XML) string
+ * @param {Object} config sax xml parser config
+ * @return {Object}
+ */
+module.exports = function(svg, config) {
+
+    config = config || {
+        strict: true,
+        options: {
+            trim: true,
+            normalize: true,
+            lowercase: true,
+            xmlns: true,
+            position: false
+        }
+    };
+
+    var deferred = Q.defer(),
+        sax = SAX.parser(config.strict, config.options),
+        root = {},
+        current = root,
+        stack = [];
+
+    function pushToContent(content) {
+
+        content = new JSAPI.Nodes(content);
+
+        (current.content = current.content || []).push(content);
+
+        return content;
+
+    };
+
+    sax.ondoctype = function(doctype) {
+
+        pushToContent({
+            doctype: doctype
+        });
+
+    };
+
+    sax.onprocessinginstruction = function(data) {
+
+        pushToContent({
+            processinginstruction: data
+        });
+
+    };
+
+    sax.oncomment = function(comment) {
+
+        pushToContent({
+            comment: comment
+        });
+
+    };
+
+    sax.oncdata = function(cdata) {
+
+        pushToContent({
+            cdata: cdata
+        });
+
+    };
+
+    sax.onopentag = function(data) {
+
+        var elem = {
+            elem: data.name,
+            prefix: data.prefix,
+            local: data.local
+        };
+
+        if (Object.keys(data.attributes).length) {
+            elem.attrs = {};
+
+            Object.getOwnPropertyNames(data.attributes).forEach(function(name) {
+                elem.attrs[name] = {
+                    name: name,
+                    value: data.attributes[name].value,
+                    prefix: data.attributes[name].prefix,
+                    local: data.attributes[name].local
+                };
+            });
+        }
+
+        elem = pushToContent(elem);
+        current = elem;
+        stack.push(elem);
+
+    };
+
+    sax.ontext = function(text) {
+
+        pushToContent({
+            text: text
+        });
+
+    };
+
+    sax.onclosetag = function() {
+
+        stack.pop();
+        current = stack[stack.length - 1];
+
+    };
+
+    sax.onend = function() {
+
+        deferred.resolve(root);
+
+    };
+
+    sax.write(svg).close();
+
+    return deferred.promise;
+
+};