Initial commit. Note that I'm using CommonJS modules and node purely to help me develop this. If this ends up being useful, I will likely distribute the entire package as a single JS file for easier consumption in the browser.

2010-11-25 00:48:55 -08:00
commit 85fa2cb65f
8 changed files with 383 additions and 0 deletions
@@ -0,0 +1,92 @@
+if(exports) { var Visitor = require("handlebars/jison_ext").Visitor }
+
+PrintVisitor = function() { this.padding = 0; };
+PrintVisitor.prototype = new Visitor;
+
+PrintVisitor.prototype.pad = function(string, newline) {
+  var out = "";
+
+  for(var i=0,l=this.padding; i<l; i++) {
+    out = out + "  ";
+  }
+
+  out = out + string;
+
+  if(newline !== false) { out = out + "\n" }
+  return out;
+};
+
+PrintVisitor.prototype.program = function(program) {
+  var out = this.pad("PROGRAM:"),
+      statements = program.statements,
+      inverse = program.inverse;
+
+  this.padding++;
+
+  for(var i=0, l=statements.length; i<l; i++) {
+    out = out + this.accept(statements[i]);
+  }
+
+  this.padding--;
+
+  if(inverse) {
+    out = out + this.pad("{{^}}");
+
+    this.padding++;
+
+    for(var i=0, l=inverse.length; i<l; i++) {
+      out = out + this.accept(inverse[i]);
+    }
+  }
+
+  this.padding--;
+
+  return out;
+};
+
+PrintVisitor.prototype.block = function(block) {
+  var out = "";
+
+  out = out + this.pad("BLOCK:");
+  this.padding++;
+  out = out + this.accept(block.mustache);
+  out = out + this.accept(block.program);
+  this.padding--;
+
+  return out;
+};
+
+PrintVisitor.prototype.mustache = function(mustache) {
+  var params = mustache.params, paramStrings = [];
+
+  for(var i=0, l=params.length; i<l; i++) {
+    paramStrings.push(this.accept(params[i]));
+  }
+
+  var params = "[" + paramStrings.join(", ") + "]";
+  return this.pad("{{ " + this.accept(mustache.id) + " " + params + "}}");
+};
+
+PrintVisitor.prototype.partial = function(partial) {
+  return this.pad("{{> " + this.accept(partial.id) + " }}");
+};
+
+PrintVisitor.prototype.STRING = function(string) {
+  return string.string;
+};
+
+PrintVisitor.prototype.ID = function(id) {
+  return "ID:" + id.id;
+};
+
+PrintVisitor.prototype.content = function(content) {
+  return this.pad("CONTENT[ '" + content.string + "' ]");
+};
+
+PrintVisitor.prototype.comment = function(comment) {
+  return this.pad("{{! '" + comment.comment + "' }}");
+}
+
+if(exports) {
+  exports.PrintVisitor = PrintVisitor;
+}