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
---
 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 +++++
 4 files changed, 18 insertions(+)

(limited to 'lib/sisu')

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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