Merge pull request #304 from beckje01/tooManyRules

Rules and test for the IE max selector count warning.

Author: stubbornella

src/rules/selector-max-approaching.js

@@ -0,0 +1,30 @@
+/*
+ * Rule: Warn people with approaching the IE 4095 limit 
+ */
+/*global CSSLint*/
+CSSLint.addRule({
+
+    //rule information
+    id: "selector-max-approaching",
+    name: "Warn when approaching the 4095 limit for IE",
+    desc: "Will warn when selector count is >= 3800 rules.",
+    browsers: "IE",
+
+    //initialization
+    init: function(parser, reporter){
+		var rule = this,
+			count = 0;
+
+		parser.addListener('startrule',function(event){
+			count++;
+
+		});
+
+		parser.addListener("endstylesheet", function(){
+			if(count >= 3800){
+				reporter.report("You have "+count+" rules. Internet Explorer supports a maximum of 4095 rules. Consider refactoring.",0,0,rule);
+			}            
+        });
+	}
+
+});

src/rules/selector-max.js

@@ -0,0 +1,29 @@
+/*
+ * Rule: Warn people past the IE 4095 limit 
+ */
+/*global CSSLint*/
+CSSLint.addRule({
+
+    //rule information
+    id: "selector-max",
+    name: "Error when past the 4095 limit for IE",
+    desc: "Will error when selector count is > 4095.",
+    browsers: "IE",
+
+    //initialization
+    init: function(parser, reporter){
+		var rule = this,
+			count = 0;
+
+		parser.addListener('startrule',function(event){
+			count++;
+		});
+
+		parser.addListener("endstylesheet", function(){
+			if(count>4095){
+				reporter.report("You have "+count+" rules. Internet Explorer supports a maximum of 4095 rules. All additional rules will be ignored by IE. Consider refactoring.",0,0,rule);	
+			}
+		});
+	}
+
+});