From ea2aeea3a497fa6183d25981dc5f1e58e0b7f03c Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Thu, 24 Nov 2011 19:11:58 +0000
Subject: [PATCH] Filters: generalize colorize_regex in colorize_regex_range

---
 src/filters.cc | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/filters.cc b/src/filters.cc
index 1b75fbe7..a4c03d73 100644
--- a/src/filters.cc
+++ b/src/filters.cc
@@ -9,12 +9,16 @@
 namespace Kakoune
 {
 
-void colorize_regex(DisplayBuffer& display_buffer,
-                    const boost::regex& ex,
-                    Color fg_color, Color bg_color = Color::Default)
+void colorize_regex_range(DisplayBuffer& display_buffer,
+                          const BufferIterator& range_begin,
+                          const BufferIterator& range_end,
+                          const boost::regex& ex,
+                          Color fg_color, Color bg_color = Color::Default)
 {
-    BufferIterator display_begin = display_buffer.begin()->begin();
-    BufferIterator display_end   = display_buffer.back().end();
+    BufferIterator display_begin = std::max(range_begin,
+                                            display_buffer.front().begin());
+    BufferIterator display_end   = std::min(range_end,
+                                            display_buffer.back().end());
 
     boost::regex_iterator<BufferIterator> re_it(display_begin, display_end,
                                                 ex, boost::match_nosubs);
@@ -48,6 +52,14 @@ void colorize_regex(DisplayBuffer& display_buffer,
     }
 }
 
+void colorize_regex(DisplayBuffer& display_buffer,
+                    const boost::regex& ex,
+                    Color fg_color, Color bg_color = Color::Default)
+{
+    colorize_regex_range(display_buffer, display_buffer.front().begin(),
+                         display_buffer.back().end(), ex, fg_color, bg_color);
+}
+
 Color parse_color(const std::string& color)
 {
     if (color == "default") return Color::Default;