Basic rhino support

Makefile

@@ -18,6 +18,7 @@ HEADER = build/header.js
 VERSION = `cat package.json | grep version \
 														| grep -o '[0-9]\.[0-9]\.[0-9]\+'`
 DIST = dist/less-${VERSION}.js
+RHINO = dist/less-rhino-${VERSION}.js
 DIST_MIN = dist/less-${VERSION}.min.js
 
 less:
@@ -35,6 +36,18 @@ less:
 	@@echo "})(window);" >> ${DIST}
 	@@echo ${DIST} built.
 
+rhino:
+	@@mkdir -p dist
+	@@touch ${RHINO}
+	@@cat build/require-rhino.js\
+	      build/ecma-5.js\
+	      ${SRC}/parser.js\
+	      ${SRC}/functions.js\
+	      ${SRC}/tree/*.js\
+	      ${SRC}/tree.js\
+	      ${SRC}/rhino.js > ${RHINO}
+	@@echo ${RHINO} built.
+
 min: less
 	@@echo minifying...
 	@@cat ${HEADER} | sed s/@VERSION/${VERSION}/ > ${DIST_MIN}

build/require-rhino.js

@@ -0,0 +1,7 @@
+//
+// Stub out `require` in rhino
+//
+function require(arg) {
+    return less[arg.split('/')[1]];
+};
+

lib/less/parser.js

@@ -1,9 +1,17 @@
 var less, tree;
 
 if (typeof(window) === 'undefined') {
-    less = exports,
-    tree = require('less/tree');
+    if (typeof(exports) === 'undefined') {
+        // Rhino
+        less = {};
+        tree = less.tree = {};
+    } else {
+        // Node.js
+        less = exports,
+        tree = require('less/tree');
+    }
 } else {
+    // Browser
     if (typeof(window.less) === 'undefined') { window.less = {} }
     less = window.less,
     tree = window.less.tree = {};
@@ -1088,7 +1096,7 @@ less.Parser = function Parser(env) {
     };
 };
 
-if (typeof(window) !== 'undefined') {
+if (typeof(window) !== 'undefined' /* browser */ || typeof(exports) === 'undefined' /* rhino */) {
     //
     // Used by `@import` directives
     //

lib/less/rhino.js

@@ -0,0 +1,50 @@
+var name;
+
+function loadStyleSheet(sheet, callback, reload, remaining) {
+    var sheetName = name.slice(0, name.lastIndexOf('/') + 1) + sheet.href;
+    var input = readFile(sheetName);
+    var parser = new less.Parser();
+    parser.parse(input, function (e, root) {
+        if (e) {
+            print("Error: " + e);
+            quit(1);
+        }
+        callback(root, sheet, { local: false, lastModified: 0, remaining: remaining });
+    });
+
+    // callback({}, sheet, { local: true, remaining: remaining });
+}
+
+// Command line integration via Rhino
+(function (args) {
+    name = args[0];
+    var optstr = args[1]; // arg1=val1,arg2=val2,...
+
+    if (!name) {
+        print('No files present in the fileset; Check your pattern match in build.xml');
+        quit(1);
+    }
+    path = name.split("/");path.pop();path=path.join("/")
+
+    var input = readFile(name);
+
+    if (!input) {
+        print('lesscss: couldn\'t open file ' + name);
+        quit(1);
+    }
+
+    var result;
+    var parser = new less.Parser();
+    parser.parse(input, function (e, root) {
+        if (e) {
+            print("Error: " + err);
+            quit(1);
+        } else {
+            print("Success");
+            result = root.toCSS();
+            print("res: "+ result);
+            quit(0);
+        }
+    });
+    print("done");
+}(arguments));