From fc56975b3aceaf607dba0c357579345c2bee3a64 Mon Sep 17 00:00:00 2001
From: leeight <leeight@gmail.com>
Date: Tue, 19 Mar 2013 18:26:59 +0800
Subject: [PATCH] ENABLE max-line-len options support

---
 bin/lessc                | 8 ++++++++
 lib/less/lessc_helper.js | 1 +
 lib/less/parser.js       | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/bin/lessc b/bin/lessc
index da4a1c97..3566cf5b 100755
--- a/bin/lessc
+++ b/bin/lessc
@@ -12,6 +12,7 @@ var options = {
     depends: false,
     compress: false,
     yuicompress: false,
+    max_line_len: -1,
     optimization: 1,
     silent: false,
     verbose: false,
@@ -76,6 +77,12 @@ args = args.filter(function (arg) {
         case 'yui-compress':
             options.yuicompress = true;
             break;
+        case 'max-line-len':
+            options.max_line_len = parseInt(match[2], 10);
+            if (options.max_line_len <= 0) {
+              options.max_line_len = -1;
+            }
+            break;
         case 'no-color':
             options.color = false;
             break;
@@ -199,6 +206,7 @@ var parseLessFile = function (e, data) {
                     ieCompat: options.ieCompat,
                     compress: options.compress,
                     yuicompress: options.yuicompress,
+                    max_line_len: options.max_line_len,
                     strictMaths: options.strictMaths,
                     strictUnits: options.strictUnits
                 });
diff --git a/lib/less/lessc_helper.js b/lib/less/lessc_helper.js
index 5d207224..26ebf92c 100644
--- a/lib/less/lessc_helper.js
+++ b/lib/less/lessc_helper.js
@@ -40,6 +40,7 @@ var lessc_helper = {
         sys.puts("  -v, --version           Print version number and exit.");
         sys.puts("  -x, --compress          Compress output by removing some whitespaces.");
         sys.puts("  --yui-compress          Compress output using ycssmin");
+        sys.puts("  --max-line-len          Max line length used by ycssmin");
         sys.puts("  -O0, -O1, -O2           Set the parser's optimization level. The lower");
         sys.puts("                          the number, the less nodes it will create in the");
         sys.puts("                          tree. This could matter for debugging, or if you");
diff --git a/lib/less/parser.js b/lib/less/parser.js
index b14465f9..64ba4fd0 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -422,7 +422,7 @@ less.Parser = function Parser(env) {
                     }
 
                     if (options.yuicompress && less.mode === 'node') {
-                        return require('ycssmin').cssmin(css);
+                        return require('ycssmin').cssmin(css, options.max_line_len);
                     } else if (options.compress) {
                         return css.replace(/(\s)+/g, "$1");
                     } else {