Changelog for 0.5.0. Adds second parameter to Render for specifying

Mapnik version. Handle unrecognized selectors slightly better for
backwards-and-forwards stylesheets.

CHANGELOG.md

@@ -1,5 +1,10 @@
 ## Changelog
 
+### 0.5.0
+
+* Now uses the [mapnik-reference](https://github.com/mapnik/mapnik-reference) npm module
+  instead of copying `reference.json` when it's updated
+
 ### 0.4.10
 
 * Updated reference.json

lib/carto/renderer.js

@@ -2,8 +2,10 @@ var _ = require('underscore');
 var carto = require('./index');
 var tree = require('./tree');
 
-carto.Renderer = function Renderer(env) {
+carto.Renderer = function Renderer(env, options) {
     this.env = env || {};
+    this.options = options || {};
+    this.options.mapnik_version = this.options.mapnik_version || 'latest';
 };
 
 // Prepare a MML document (given as an object) into a
@@ -20,6 +22,8 @@ carto.Renderer.prototype.render = function render(m, callback) {
         effects: []
     });
 
+    tree.Reference.setVersion(this.options.mapnik_version);
+
     var output = [];
 
     // Transform stylesheets into rulesets.
@@ -33,7 +37,7 @@ carto.Renderer.prototype.render = function render(m, callback) {
             var time = +new Date(),
                 root = (carto.Parser(env)).parse(s.data);
             if (env.benchmark)
-                console.warn('Parsing time: ' + ((new Date() - time)) + 'ms');
+                console.warn('Parsing time: ' + (new Date() - time) + 'ms');
             return root.toList(env);
         })
         .flatten()

lib/carto/tree/reference.js

@@ -3,7 +3,11 @@
 var mapnik_reference = require('mapnik-reference');
 
 tree.Reference = {
-    data: mapnik_reference.version['2.1.0']
+    data: mapnik_reference.version.latest
+};
+
+tree.Reference.setVersion = function(version) {
+    tree.Reference.data = mapnik_reference.version[version];
 };
 
 tree.Reference.required_prop_list_cache = {};
@@ -100,7 +104,9 @@ tree.Reference.validValue = function(env, selector, value) {
         return tree.Reference.selector(selector).type == value[0].is;
     } else {
         // TODO: handle in reusable way
-        if (value.value[0].is == 'keyword') {
+        if (!tree.Reference.selector(selector)) {
+            return false;
+        } else if (value.value[0].is == 'keyword') {
             return tree.Reference
                 .selector(selector).type
                 .indexOf(value.value[0].value) !== -1;

lib/carto/tree/rule.js

@@ -47,18 +47,28 @@ tree.Rule.prototype.toXML = function(env, content) {
 
     if ((this.value instanceof tree.Value) &&
         !tree.Reference.validValue(env, this.name, this.value)) {
-        return env.error({
+        if (!tree.Reference.selector(this.name)) {
-            message: 'Invalid value for ' +
+            return env.error({
-                this.name +
+                message: 'Unrecognized property: ' +
-                ', a valid ' +
+                    this.name,
-                (tree.Reference.selector(this.name).validate ||
+                index: this.index,
-                    tree.Reference.selector(this.name).type) +
+                type: 'syntax',
-                ' is expected. ' + this.value +
+                filename: this.filename
-                ' was given.',
+            });
-            index: this.index,
+        } else {
-            type: 'syntax',
+            return env.error({
-            filename: this.filename
+                message: 'Invalid value for ' +
-        });
+                    this.name +
+                    ', a valid ' +
+                    (tree.Reference.selector(this.name).validate ||
+                        tree.Reference.selector(this.name).type) +
+                    ' is expected. ' + this.value +
+                    ' was given.',
+                index: this.index,
+                type: 'syntax',
+                filename: this.filename
+            });
+        }
     }
 
     if (this.variable) {

package.json

@@ -1,5 +1,6 @@
 {
   "name": "carto",
+  "version": "0.5.0",
   "description": "Mapnik Stylesheet Compiler",
   "url": "https://github.com/mapbox/carto",
   "repositories": [{
@@ -22,7 +23,6 @@
     "Konstantin Käfer",
     "Alexis Sellier <self@cloudhead.net>"
   ],
-  "version": "0.4.10",
   "licenses": [{
     "type": "Apache"
   }],