v4 v3: debug (internal code use), color markers for line number & file name

* colored location markers to show when line passed within running code

3 files changed, 137 insertions, 0 deletions

diff --git a/lib/sisu/v4/constants.rb b/lib/sisu/v4/constants.rb
index af5c13a4..02bbc286 100644
--- a/lib/sisu/v4/constants.rb
+++ b/lib/sisu/v4/constants.rb
@@ -243,6 +243,27 @@ S_CONF={
   header_make: 'sisu_document_make',
   rc_yml: 'sisurc.yml',
 }
+ANSI_C={
+  red:                       "\033[#{31}m",
+  green:                     "\033[#{32}m",
+  yellow:                    "\033[#{33}m",
+  blue:                      "\033[#{34}m",
+  fuchsia:                   "\033[#{35}m",
+  cyan:                      "\033[#{36}m",
+  inv_red:                   "\033[#{41}m",
+  inv_green:                 "\033[#{42}m",
+  inv_yellow:                "\033[#{43}m",
+  inv_blue:                  "\033[#{44}m",
+  inv_fuchsia:               "\033[#{45}m",
+  inv_cyan:                  "\033[#{46}m",
+  b_red:                     "\033[#{91}m",
+  b_green:                   "\033[#{92}m",
+  b_yellow:                  "\033[#{93}m",
+  b_blue:                    "\033[#{94}m",
+  b_fuchsia:                 "\033[#{95}m",
+  b_cyan:                    "\033[#{96}m",
+  off:                       "\033[m"
+}
 DISABLE={
   epub: {
     internal_navigation:     true,
@@ -254,6 +275,12 @@ DEVELOPER={
   maintenance:               :false,
 }
 __END__
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__,:red).set
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__).set(:green)
+puts ANSI_C[:red] + __LINE__.to_s + ANSI_C[:off] + ' ' + __FILE__
+puts "#{ANSI_C[:red]} #{__LINE__.to_s} #{ANSI_C[:off]} #{__FILE__}"
+puts ANSI_C[:fuchsia] + __LINE__.to_s + ANSI_C[:off] + ' ' + __FILE__.gsub(/([^\/]+$)/,"#{ANSI_C[:fuchsia]}\\1#{ANSI_C[:off]}")
+puts ANSI_C[:red] + __LINE__.to_s + ANSI_C[:off] + ' ' + __FILE__.gsub(/([^\/]+$)/,"#{ANSI_C[:red]}\\1#{ANSI_C[:off]}")
 consider:
   〔comment〕
   〔links?????〕
diff --git a/lib/sisu/v4/debug.rb b/lib/sisu/v4/debug.rb
new file mode 100644
index 00000000..6be60576
--- /dev/null
+++ b/lib/sisu/v4/debug.rb
@@ -0,0 +1,109 @@
+# encoding: utf-8
+=begin
+
+ * Name: SiSU
+
+ * Description: a framework for document structuring, publishing and search
+
+ * Author: Ralph Amissah
+
+ * Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+   2007, 2008, 2009, 2010, 2011, 2012 Ralph Amissah, All Rights Reserved.
+
+ * License: GPL 3 or later:
+
+   SiSU, a framework for document structuring, publishing and search
+
+   Copyright (C) Ralph Amissah
+
+   This program is free software: you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the Free
+   Software Foundation, either version 3 of the License, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+   more details.
+
+   You should have received a copy of the GNU General Public License along with
+   this program. If not, see <http://www.gnu.org/licenses/>.
+
+   If you have Internet connection, the latest version of the GPL should be
+   available at these locations:
+   <http://www.fsf.org/licensing/licenses/gpl.html>
+   <http://www.gnu.org/licenses/gpl.html>
+
+   <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
+
+ * SiSU uses:
+   * Standard SiSU markup syntax,
+   * Standard SiSU meta-markup syntax, and the
+   * Standard SiSU object citation numbering and system
+
+ * Hompages:
+   <http://www.jus.uio.no/sisu>
+   <http://www.sisudoc.org>
+
+ * Download:
+   <http://www.sisudoc.org/sisu/en/SiSU/download.html>
+
+ * Ralph Amissah
+   <ralph@amissah.com>
+   <ralph.amissah@gmail.com>
+
+ ** Description: system environment, debug related
+
+=end
+module SiSU_Debug
+  class Mark
+    def initialize(line,file,color=:red)
+      @line,@file,@color=line.to_s,file,color
+    end
+    def ansi(color=nil)
+      @color=color ? color : @color
+      c={}
+      c[:on]=case @color
+      when :red;         ANSI_C[:red]
+      when :green;       ANSI_C[:green]
+      when :yellow;      ANSI_C[:yellow]
+      when :blue;        ANSI_C[:blue]
+      when :fuchsia;     ANSI_C[:fuchsia]
+      when :cyan;        ANSI_C[:cyan]
+      when :inv_red;     ANSI_C[:inv_red]
+      when :inv_green;   ANSI_C[:inv_green]
+      when :inv_yellow;  ANSI_C[:inv_yellow]
+      when :inv_blue;    ANSI_C[:inv_blue]
+      when :inv_fuchsia; ANSI_C[:inv_fuchsia]
+      when :inv_cyan;    ANSI_C[:inv_cyan]
+      when :b_red;       ANSI_C[:b_red]
+      when :b_green;     ANSI_C[:b_green]
+      when :b_yellow;    ANSI_C[:b_yellow]
+      when :b_blue;      ANSI_C[:b_blue]
+      when :b_fuchsia;   ANSI_C[:b_fuchsia]
+      when :b_cyan;      ANSI_C[:b_cyan]
+      else               ANSI_C[:red]
+      end
+      c[:off]= ANSI_C[:off]
+      #ansi_color + @line.to_s + ansi_color_off + ' ' + @file.gsub(/([^\/]+$)/,"#{ansi_color}\\1#{ansi_color_off}")
+      c
+    end
+    def set(color=nil)
+      c=ansi(color)
+      file,path=File.basename(@file),File.dirname(@file)
+      c[:on] + @line + c[:off] + ' ' + path + '/' "#{c[:on]}#{file}#{c[:off]}"
+    end
+    def set_(color=nil)
+      c=ansi(color)
+      c[:on] + @line + c[:off] + ' ' +
+        @file.gsub(/([^\/]+$)/,"#{c[:on]}\\1#{c[:off]}")
+    end
+  end
+end
+__END__
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__).set(:red)
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__).set(:green)
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__).set(:inv_red)
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__,:red).set
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__,:green).set
+puts SiSU_Debug::Mark.new(__LINE__,__FILE__,:inv_red).set
diff --git a/lib/sisu/v4/hub.rb b/lib/sisu/v4/hub.rb
index 02762d4a..da5b785e 100644
--- a/lib/sisu/v4/hub.rb
+++ b/lib/sisu/v4/hub.rb
@@ -68,6 +68,7 @@ module SiSU
     include SiSU_Viz
   require_relative 'help'                              # help.rb
     include SiSU_Help
+  require_relative 'debug'                             # debug.rb
   require 'uri'
   class HubMaster
     def initialize(argv)