1 files changed, 48 insertions, 0 deletions
diff --git a/src/nodejs/parse.js b/src/nodejs/parse.js
new file mode 100644
index 0000000..0338954
--- /dev/null
+++ b/src/nodejs/parse.js
@@ -0,0 +1,48 @@
+exports.urlToXpathObj = function urlToXpathObj(url){
+
+    // FIXMEresult.shift(): more validaiton
+    // filter stars in keys
+    // filter no enough arguments
+
+    var parseKeyList = function(string){
+        result = /(.+)(:?\|(.+))/.exec(string);
+        result.shift();
+        return result;
+    }   
+
+    var parseBboxList = function(string){
+
+        result = /(.+)(:?,(.+)){3}/.exec(string);
+
+        if(result.length != 4){ 
+            throw "error";
+        }   
+
+        result.shift();
+
+        return {
+            'left' : result[0],
+            'bottom' : result[1],
+            'right' : result[2],
+            'top' : result[3]
+        }  
+    } 
+        
+    var xp = {}; 
+
+    result = /\/(*|node|way|relation)(:?\[(.*)=(.*)\])*/.exec(url);
+
+    xp.object=result[1];
+
+    for(i=2;i<=result.length;i++){
+        if(result[i]==="bbox"){
+            xp.bbox = parseBboxValues(result[i+1]);
+        } else {
+            xp.tag ={};
+            xp.tag.keys = parseKeyList(result[i]);
+            xp.tag.values = parseKeyList(result[i+1]); 
+        }   
+        i++;
+    }   
+}
+