From 6a7c87dc0fbaba0bb3ae2ea4fa913d3af31cafdb Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Wed, 8 Jun 2011 22:16:47 -0400
Subject: v3: --help language, provides list of available languages

* language (ISO 639-1 code (as varied by po4a) & name)
---
 lib/sisu/v3/help.rb | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/sisu/v3/help.rb b/lib/sisu/v3/help.rb
index ea27dcb3..27822e20 100644
--- a/lib/sisu/v3/help.rb
+++ b/lib/sisu/v3/help.rb
@@ -61,6 +61,7 @@ module SiSU_Help
     include SiSU_Screen
   require_relative 'param'                              # param.rb
   class Help
+     require_relative 'i18n'                             # i18n.rb
     def initialize(request='',color='')
       @request,@color=request,color
       if color =~/color_off/; @cX=SiSU_Screen::Ansi.new('k').cX
@@ -1163,12 +1164,27 @@ on the positive side: (a) the A,B,C,1,2,3 alternative makes explicit an aspect o
 WOK
     end
     def languages
-    puts <<WOK
+      lang=SiSU_i18n::Languages.new.language.table
+      lang.each_value do |lng|
+        if lng[:t] == lng[:n]
+          puts "#{lng[:c]}:  #{lng[:t]}"
+        else
+          puts "#{lng[:c]}:  #{lng[:t]} (#{lng[:n]})"
+        end
+      end
+      puts <<WOK
+
+ Multi-language Document File Naming and Directory Mapping
+
+ A list of language codes and languages that may be available for most output formats. These are for the most part ISO 639/1 and where there is a departure it follows those made by po4a, and the languages supported will be limited (at this time) to those supported by polyglossia. (SiSU markup text is stored in Unicode so some output formats are served by this, for example, html and sql had no problem with Chinese, pdfs would be a problem as this is not (yet?) suported by xetex and polyglossia. SiSU parses left to right and would have problems with right to left languages.)
 
-    Multi-language Document File Naming and Directory Mapping
+ If the same document exists in different language versions, a directory structure, or a filenaming convention may be followed. Using Spannish as the sample language code (es) [filename]~[language code].sst
 
-    If the same document exists in different language versions, and it is desired that the published language versions should reside in the same output directory, the following filenaming convention should be observed, using Spannish as the sample language code (es) [it is very likley the use of country codes as language codes will be changed or extended in future] [filename]~[language code].sst
+ The simplest now is to place each document in a sub-directory which has the language code as a name, if this convention is used it is preferable that all files are placed by language in the appropriate language sub-directory ... e.g.
+   ./en/filename.sst
+   ./es/filename.sst
 
+ Alternatively files may all be placed in the same directory with the language and named using a tilde and the language code as shown:
   filename~es.sst
 
   within sisurc.yml under the heading
-- 
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