postcss-gtk/lib/add-css-function.js

Processes GTK+ CSS into browser CSS

// Generated by CoffeeScript 1.9.1
(function() {
  var balanced, postcss, valueHook;

  balanced = require("balanced-match");

  valueHook = require("./value-hook");

  postcss = require("postcss");

  module.exports = function(fn_name, fn) {
    return valueHook.add(function(str, node) {
      var arg, args, current_node, matches, post, pre, result, startIndex;
      startIndex = str.indexOf(fn_name + "(");
      if (startIndex === -1) {
        return str;
      }
      matches = balanced("(", ")", str.substring(startIndex));
      if (matches) {
        args = postcss.list.comma(matches.body);
        args = (function() {
          var i, len, results;
          results = [];
          for (i = 0, len = args.length; i < len; i++) {
            arg = args[i];
            results.push(valueHook.hook(arg));
          }
          return results;
        })();
        pre = str.slice(0, startIndex);
        post = str.substr(startIndex + matches.end + 1);
        current_node = node;
        result = fn.apply(null, args);
        return valueHook.hook(pre + result + post);
      } else {
        throw node.error(fn_name + "(): missing closing ')' in the value " + (JSON.stringify(str)));
      }
    });
  };

}).call(this);