From 6a0b570e50c532c4bc97eda5f6d7f68e780afd6c Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Mon, 3 Oct 2011 14:30:14 +0000
Subject: [PATCH] Filters: add a colorize_cplusplus filter and use it by
 default in Window

---
 src/filters.cc | 24 ++++++++++++++++++++++++
 src/filters.hh |  2 ++
 src/window.cc  | 12 +-----------
 3 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/src/filters.cc b/src/filters.cc
index acb546d3..6a7d0113 100644
--- a/src/filters.cc
+++ b/src/filters.cc
@@ -25,4 +25,28 @@ void colorize_regex(DisplayBuffer& display_buffer,
     }
 }
 
+void colorize_cplusplus(DisplayBuffer& display_buffer)
+{
+    static boost::regex preprocessor("(?<=\\n)\\h*#\\h*[^\\n]*(?=\\n)");
+    colorize_regex(display_buffer, preprocessor, Color::Magenta);
+
+    static boost::regex strings("\"(\\\\\"|[^\"])*\"");
+    colorize_regex(display_buffer, strings, Color::Magenta);
+
+    static boost::regex values("\\<(true|false|NULL|nullptr)\\>|-?\\d+[fdiu]?|'[^']*'");
+    colorize_regex(display_buffer, values, Color::Red);
+
+    static boost::regex builtin_types("\\<(void|int|float|bool|size_t)\\>");
+    colorize_regex(display_buffer, builtin_types, Color::Yellow);
+
+    static boost::regex control_keywords("\\<(while|for|if|else|do|switch|case|default|goto|return|using|try|catch|throw)\\>");
+    colorize_regex(display_buffer, control_keywords, Color::Blue);
+
+    static boost::regex types_keywords("\\<(const|auto|namespace|static|volatile|class|struct|enum|union|public|protected|private)\\>");
+    colorize_regex(display_buffer, types_keywords, Color::Green);
+
+    static boost::regex comments("//[^\\n]*\\n");
+    colorize_regex(display_buffer, comments, Color::Cyan);
+}
+
 }
diff --git a/src/filters.hh b/src/filters.hh
index 2366ac9a..2dc6370c 100644
--- a/src/filters.hh
+++ b/src/filters.hh
@@ -10,6 +10,8 @@ namespace Kakoune
 void colorize_regex(DisplayBuffer& display_buffer,
                     const boost::regex& ex, Color color);
 
+void colorize_cplusplus(DisplayBuffer& display_buffer);
+
 }
 
 #endif // filters_hh_INCLUDED
diff --git a/src/window.cc b/src/window.cc
index 82088435..86be7d18 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -115,17 +115,7 @@ Window::Window(Buffer& buffer)
       m_current_inserter(nullptr)
 {
     m_selections.push_back(Selection(buffer.begin(), buffer.begin()));
-    m_filters.push_back(std::bind(colorize_regex, std::placeholders::_1,
-                                  boost::regex("\\<(void|int|float|size_t)\\>"), Color::Yellow));
-    m_filters.push_back(std::bind(colorize_regex, std::placeholders::_1,
-                                  boost::regex("\\<(while|for|if|else|do|switch|case|default|goto|return|using|namespace|try|catch|throw|class|struct|enum|union)\\>"), Color::Blue));
-    m_filters.push_back(std::bind(colorize_regex, std::placeholders::_1,
-                                  boost::regex("\\<(const|auto|static|volatile)\\>"), Color::Green));
-    m_filters.push_back(std::bind(colorize_regex, std::placeholders::_1,
-                                  boost::regex("\\<(true|false|NULL|nullptr|\\d+[fdiu]?)\\>"), Color::Red));
-    m_filters.push_back(std::bind(colorize_regex, std::placeholders::_1,
-                                  boost::regex("//.*$"), Color::Cyan));
-    //m_filters.push_back(std::bind(colorize_regex, std::placeholders::_1, boost::regex("^\\h*.\\w+"), Color::Yellow));
+    m_filters.push_back(colorize_cplusplus);
     m_filters.push_back(HighlightSelections(*this));
 }