From 7ef0302aa8c9e810bd9d8de86a2b92a2d9bea0fe Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Sun, 26 Jun 2011 14:40:52 -0400
Subject: v2 v3: texpdf, define hardspace & provide backslash

* define \hardspace to simplify placing a hardspace
* provide backslash character in code block
---
 data/doc/sisu/CHANGELOG_v2   | 4 ++++
 data/doc/sisu/CHANGELOG_v3   | 4 ++++
 lib/sisu/v2/texpdf.rb        | 4 ++++
 lib/sisu/v2/texpdf_format.rb | 5 +++++
 lib/sisu/v3/texpdf.rb        | 4 ++++
 lib/sisu/v3/texpdf_format.rb | 5 +++++
 6 files changed, 26 insertions(+)

diff --git a/data/doc/sisu/CHANGELOG_v2 b/data/doc/sisu/CHANGELOG_v2
index 610d61ba..08ecd407 100644
--- a/data/doc/sisu/CHANGELOG_v2
+++ b/data/doc/sisu/CHANGELOG_v2
@@ -22,6 +22,10 @@ http://git.sisudoc.org/?p=code/sisu.git;a=shortlog;h=refs/tags/debian/3.0.13-1
     * sisu syntax highlighting, linebreak \\ added (<br> kept)
     * colors, added cursor line & column
 
+  * texpdf
+    * define \hardspace to simplify placing a hardspace (within a code block)
+    * provide backslash character in code block
+
 %% 2.9.6.orig.tar.gz (2011-06-07:23/2) [see 3.0.12]
 http://git.sisudoc.org/?p=code/sisu.git;a=shortlog;h=refs/tags/debian/3.0.12-1
 
diff --git a/data/doc/sisu/CHANGELOG_v3 b/data/doc/sisu/CHANGELOG_v3
index 5d32bfc0..830bdf12 100644
--- a/data/doc/sisu/CHANGELOG_v3
+++ b/data/doc/sisu/CHANGELOG_v3
@@ -30,6 +30,10 @@ http://www.jus.uio.no/sisu/pkg/src/sisu_3.0.13.orig.tar.gz
     * sisu syntax highlighting, linebreak \\ added (<br> kept)
     * colors, added cursor line & column
 
+  * texpdf
+    * define \hardspace to simplify placing a hardspace (within a code block)
+    * provide backslash character in code block
+
   * ansi screen reporting include document language code
 
 %% 3.0.12.orig.tar.gz (2011-06-09:23/4)
diff --git a/lib/sisu/v2/texpdf.rb b/lib/sisu/v2/texpdf.rb
index a1a2813f..6503c931 100644
--- a/lib/sisu/v2/texpdf.rb
+++ b/lib/sisu/v2/texpdf.rb
@@ -341,6 +341,8 @@ module SiSU_TeX
             if dob.tmp =~/#{Mx[:lnk_o]}.+?#{Mx[:lnk_c]}#{Mx[:rel_o]}\S+?#{Mx[:rel_c]}/
               dob.tmp=SiSU_TeX_Pdf::Format_text_object.new(@md,dob.tmp).url_str_internal(dob.tmp)
             end
+          elsif dob.is =='code'
+            dob.tmp=SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp).special_characters_code
           elsif dob.is =='break'
             if dob.obj==Mx[:br_page]; dob.tmp='\newpage'
             elsif dob.obj==Mx[:br_page_new]; dob.tmp='\clearpage'
@@ -573,6 +575,8 @@ module SiSU_TeX
 \\newcommand{\\Codeblock}[1]{\\normaltext\\raggedright\\small\\ttfamily\\texbackslash#1}
 \\newcommand{\\monosp}[1]{\\normaltext\\ttfamily\\texbackslash#1}
 \\newcommand{\\parasep}{\\\\ \\begin{center}*\\hspace{2em}*\\hspace{2em}*\\end{center} \\\\}
+\\newcommand{\\hardspace}{{~}}
+%\\newcommand{\\hardspace}{\\hspace{.5em}}
 % \\sloppy
 \\begin{document}
 WOK
diff --git a/lib/sisu/v2/texpdf_format.rb b/lib/sisu/v2/texpdf_format.rb
index b2dd0e32..018232ac 100644
--- a/lib/sisu/v2/texpdf_format.rb
+++ b/lib/sisu/v2/texpdf_format.rb
@@ -1162,6 +1162,11 @@ WOK
       str=xetex_special_characters_2(str,is) unless str.nil? # remove this to start with, causes issues
       @txt=str
     end
+    def special_characters_code
+      str=@txt
+      str.gsub!(/ \\\\([ #{Mx[:br_nl]}]+|$)/,' \textbackslash\textbackslash\hardspace\1')
+      str
+    end
   end
   class Use_TeX
     attr_accessor :url,:txt,:date
diff --git a/lib/sisu/v3/texpdf.rb b/lib/sisu/v3/texpdf.rb
index c9e0f032..0f16e991 100644
--- a/lib/sisu/v3/texpdf.rb
+++ b/lib/sisu/v3/texpdf.rb
@@ -349,6 +349,8 @@ module SiSU_TeX
             if dob.tmp =~/#{Mx[:lnk_o]}.+?#{Mx[:lnk_c]}#{Mx[:rel_o]}\S+?#{Mx[:rel_c]}/
               dob.tmp=SiSU_TeX_Pdf::Format_text_object.new(@md,dob.tmp).url_str_internal(dob.tmp)
             end
+          elsif dob.is =='code'
+            dob.tmp=SiSU_TeX_Pdf::Special_characters.new(@md,dob.tmp).special_characters_code
           elsif dob.is =='break'
             if dob.obj==Mx[:br_page]; dob.tmp='\newpage'
             elsif dob.obj==Mx[:br_page_new]; dob.tmp='\clearpage'
@@ -582,6 +584,8 @@ module SiSU_TeX
 \\newcommand{\\Codeblock}[1]{\\normaltext\\raggedright\\small\\ttfamily\\texbackslash#1}
 \\newcommand{\\monosp}[1]{\\normaltext\\ttfamily\\texbackslash#1}
 \\newcommand{\\parasep}{\\\\ \\begin{center}*\\hspace{2em}*\\hspace{2em}*\\end{center} \\\\}
+\\newcommand{\\hardspace}{{~}}
+%\\newcommand{\\hardspace}{\\hspace{.5em}}
 % \\sloppy
 \\begin{document}
 WOK
diff --git a/lib/sisu/v3/texpdf_format.rb b/lib/sisu/v3/texpdf_format.rb
index 8c53b458..f7e63066 100644
--- a/lib/sisu/v3/texpdf_format.rb
+++ b/lib/sisu/v3/texpdf_format.rb
@@ -1164,6 +1164,11 @@ WOK
       str=xetex_special_characters_2(str,is) unless str.nil? # remove this to start with, causes issues
       @txt=str
     end
+    def special_characters_code
+      str=@txt
+      str.gsub!(/ \\\\([ #{Mx[:br_nl]}]+|$)/,' \textbackslash\textbackslash\hardspace\1')
+      str
+    end
   end
   class Use_TeX
     attr_accessor :url,:txt,:date
-- 
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