first attempt to a tile exporter

utils/exporter.js

@@ -0,0 +1,52 @@
+var TC = require('../node-tokyocabinet/build/default/tokyocabinet')
+var path = require('path')
+var fs = require('fs')
+var mkdirp = require('mkdirp').mkdirp
+
+
+var HDB = TC.HDB
+var hdb = new HDB
+
+if(!hdb.open('../tile.tch', HDB.OWRITER | HDB.OCREAT)) {
+    sys.error(hdb.errmsg())
+}
+
+hdb.iterinit()
+
+var iter = function(key,cb) {
+    if(key == null) {
+        cb()
+        return
+    }
+    var tmp = key.split('/')
+    tmp.pop()
+    console.log(tmp)
+    var dirstr = __dirname + '/' + tmp.join('/')
+    path.exists(dirstr,function(exists) {
+        if(!exists) {
+            mkdirp(dirstr, 0755, function(err) {
+                if(err) {
+                    console.error(err)
+                }
+                //create file
+                fs.writeFile(__dirname + '/' + key + '.png', 'bla', function(err) {
+                    if(err) {
+                        console.log(err)
+                    }
+
+                }) 
+                iter(hdb.iternext(), cb)
+            })
+        } else {
+            fs.writeFile(__dirname + '/' + key + '.png', 'bla', function(err) {
+            })
+            iter(hdb.iternext(), cb)
+            //dir exists
+        }
+    })
+}
+
+iter(hdb.iternext(),function() {
+    hdb.close()
+})
+