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authorRalph Amissah <ralph@amissah.com>2014-01-26 02:22:02 -0500
committerRalph Amissah <ralph@amissah.com>2014-01-26 02:31:54 -0500
commit506e32633838b4daf9ab566c9da083329212f219 (patch)
treeef48a6985ce663aa3d4d62037f232b2286422979 /lib/sisu/v6/txt_asciidoc.rb
parentv5 v6: version & changelog (& rakefile), make true on next commit (diff)
v5 v6: made true, branches: v6 development; v5 stable; v4 closedsisu_5.3.0
Diffstat (limited to 'lib/sisu/v6/txt_asciidoc.rb')
-rw-r--r--lib/sisu/v6/txt_asciidoc.rb556
1 files changed, 556 insertions, 0 deletions
diff --git a/lib/sisu/v6/txt_asciidoc.rb b/lib/sisu/v6/txt_asciidoc.rb
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+++ b/lib/sisu/v6/txt_asciidoc.rb
@@ -0,0 +1,556 @@
+# 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, 2013, 2014 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>
+
+ * Git
+ <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
+ <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v6/plaintext_asciidoc.rb;hb=HEAD>
+
+ * Ralph Amissah
+ <ralph@amissah.com>
+ <ralph.amissah@gmail.com>
+
+ ** Description: plaintext (smarttext) generation, asciidoc
+
+=end
+module SiSU_Txt_AsciiDoc
+ require_relative 'ao' # ao.rb
+ require_relative 'sysenv' # sysenv.rb
+ include SiSU_Env
+ require_relative 'shared_metadata' # shared_metadata.rb
+ require_relative 'txt_shared' # txt_shared.rb
+ include SiSU_Param
+ include SiSU_Viz
+ @@alt_id_count,@@alt_id_count,@@tablehead,@@number_of_cols=0,0,0,0
+ @@tablefoot=''
+ class Source
+ def initialize(opt)
+ @opt=opt
+ unless @opt.fns =~/(.+?)\.(?:-|ssm\.)?sst$/
+ puts "#{sf} not a processed file type"
+ end
+ end
+ def read
+ begin
+ md=SiSU_Param::Parameters.new(@opt).get
+ env=SiSU_Env::InfoEnv.new(@opt.fns)
+ unless @opt.act[:quiet][:set]==:on
+ tool=(@opt.act[:verbose][:set]==:on \
+ || @opt.act[:verbose_plus][:set]==:on \
+ || @opt.act[:maintenance][:set]==:on) \
+ ? "#{env.program.text_editor} #{md.file.output_path.asciidoc.dir}/#{md.file.base_filename.asciidoc}"
+ : "[#{@opt.f_pth[:lng_is]}] #{@opt.fno}"
+ (@opt.act[:verbose][:set]==:on \
+ || @opt.act[:verbose_plus][:set]==:on \
+ || @opt.act[:maintenance][:set]==:on) \
+ ? SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],'AsciiDoc (plaintext utf-8)',tool).green_hi_blue
+ : SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],'AsciiDoc (plaintext utf-8)',tool).green_title_hi
+ if (@opt.act[:verbose_plus][:set]==:on \
+ || @opt.act[:maintenance][:set]==:on)
+ SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],@opt.fns,"#{md.file.output_path.asciidoc.dir}/#{md.file.base_filename.asciidoc}").flow
+ end
+ end
+ ao_array=SiSU_AO::Source.new(@opt).get # ao file drawn here
+ wrap_width=if defined? md.make.plaintext_wrap \
+ and md.make.plaintext_wrap
+ md.make.plaintext_wrap
+ elsif defined? env.plaintext_wrap \
+ and env.plaintext_wrap
+ env.plaintext_wrap
+ else 78
+ end
+ #wrap_width=(defined? md.make.plaintext_wrap) ? md.make.plaintext_wrap : 78
+ SiSU_Txt_AsciiDoc::Source::Scroll.new(md,ao_array,wrap_width).songsheet
+ rescue
+ SiSU_Errors::Rescued.new($!,$@,@opt.cmd,@opt.fns).location do
+ __LINE__.to_s + ':' + __FILE__
+ end
+ ensure
+ end
+ end
+ private
+ class Scroll <Source
+ require_relative 'defaults' # defaults.rb
+ require_relative 'txt_shared' # txt_shared.rb
+ include SiSU_TextUtils
+ @@endnotes={ para: [], end: [] }
+ def initialize(md,data,wrap_width)
+ @md,@data,@wrap_width=md,data,wrap_width
+ @env=SiSU_Env::InfoEnv.new(@md.fns)
+ @brace_url=SiSU_Viz::Defaults.new.url_decoration
+ @tab="\t"
+ @@endnotes_=case md.opt.mod.inspect
+ when /--footnote/ then false
+ when /--endnote/ then true
+ else true
+ end
+ @plaintext={ body: [], open: [], close: [], head: [], metadata: [], tail: [] }
+ end
+ def songsheet
+ plaintext=markup(@data)
+ publish(plaintext)
+ end
+ def break_line
+ "\n"
+ end
+ # Used for extraction of endnotes from paragraphs
+ def plaintext_metadata
+ array=SiSU_Metadata::Summary.new(@md).plaintext.metadata
+ array.each do |meta|
+ tag,inf=meta.scan(/^.+?:\s|.+/)
+ if tag and inf
+ util=SiSU_TextUtils::Wrap.new(inf,@wrap_width,15,1)
+ txt=util.line_wrap
+ @plaintext[:metadata] <<<<WOK
+
+#{@tab}#{tag}#{txt}
+WOK
+ end
+ end
+ end
+ def plaintext_tail
+# env=SiSU_Env::InfoEnv.new(@md.fns)
+ vz=SiSU_Viz::Defaults.new
+ generator="Generated by: #{@md.sisu_version[:project]} #{@md.sisu_version[:version]} of #{@md.sisu_version[:date_stamp]} (#{@md.sisu_version[:date]})" if @md.sisu_version[:version]
+ lastdone="Last Generated on: #{Time.now}"
+ rubyv="Ruby version: #{@md.ruby_version}"
+ sc=if @md.sc_info
+ "Source file: #{@md.sc_filename}#{break_line}Version number: #{@md.sc_number}#{break_line}Version date: #{@md.sc_date}#{break_line}"
+ else ''
+ end
+ @plaintext[:tail] <<<<WOK
+#{break_line}
+plaintext (plain text):
+ #{@md.file.output_path.asciidoc.url}/#{@md.file.base_filename.asciidoc}#{break_line}
+Other versions of this document: #{break_line}
+manifest:
+ #{@md.file.output_path.manifest.url}/#{@md.file.base_filename.manifest}#{break_line}
+at:
+ #{@md.file.output_path.base.url}#{break_line}
+
+#{sc}
+* #{generator}
+* #{rubyv}
+* #{lastdone}
+* SiSU #{vz.url_sisu}
+WOK
+ end
+ def decorate
+ def heading
+ def inline
+ def l0
+ '='
+ end
+ def l1
+ '=='
+ end
+ def l2
+ '==='
+ end
+ def l3
+ '===='
+ end
+ def l4
+ '====='
+ end
+ def l5
+ '' #'======' #logical
+ end
+ self
+ end
+ def underscore
+ def l0
+ '='
+ end
+ def l1
+ '-'
+ end
+ def l2
+ '~'
+ end
+ def l3
+ '^'
+ end
+ def l4
+ '+'
+ end
+ def l5
+ '.' #'.' #proposed
+ end
+ self
+ end
+ self
+ end
+ def bold
+ def open
+ '*'
+ end
+ def close
+ '*'
+ end
+ self
+ end
+ def italics
+ def open
+ '_'
+ end
+ def close
+ '_'
+ end
+ self
+ end
+ def underscore
+ def open
+ ''
+ end
+ def close
+ ''
+ end
+ self
+ end
+ #def emphasis
+ # def open
+ # ''
+ # end
+ # def close
+ # ''
+ # end
+ # self
+ #end
+ def cite
+ def open
+ '"'
+ end
+ def close
+ '"'
+ end
+ self
+ end
+ def insert
+ def open
+ ''
+ end
+ def close
+ ''
+ end
+ self
+ end
+ def strike
+ def open
+ '-'
+ end
+ def close
+ '-'
+ end
+ self
+ end
+ def superscript
+ def open
+ '^'
+ end
+ def close
+ '^'
+ end
+ self
+ end
+ def subscript
+ def open
+ '~'
+ end
+ def close
+ '~'
+ end
+ self
+ end
+ def hilite #bold
+ def open
+ '*'
+ end
+ def close
+ '*'
+ end
+ self
+ end
+ def monospace
+ def open
+ '+'
+ end
+ def close
+ '+'
+ end
+ self
+ end
+ self
+ end
+ def heading_decorated_inline(dob)
+ if dob.is==:heading
+ heading_inline = case dob.lc
+ when 0 then decorate.heading.inline.l0
+ when 1 then decorate.heading.inline.l1
+ when 2 then decorate.heading.inline.l2
+ when 3 then decorate.heading.inline.l3
+ when 4 then decorate.heading.inline.l4
+ when 5 then decorate.heading.inline.l5
+ when 6 then decorate.heading.inline.l6
+ end
+ heading_inline + ' ' + dob.obj + ' ' + heading_inline
+ end
+ end
+ def heading_decorated_underscore(dob,times,p_num)
+ if dob.is==:heading
+ #times=@wrap_width if times > @wrap_width
+ case dob.lc
+ when 0 then decorate.heading.underscore.l0*times + p_num << break_line*2
+ when 1 then decorate.heading.underscore.l1*times + p_num << break_line*2
+ when 2 then decorate.heading.underscore.l2*times + p_num << break_line*2
+ when 3 then decorate.heading.underscore.l3*times + p_num << break_line*2
+ when 4 then decorate.heading.underscore.l4*times + p_num << break_line*2
+ when 5 then decorate.heading.underscore.l5*times + p_num << break_line*2
+ when 6 then decorate.heading.underscore.l6*times + p_num << break_line*2
+ end
+ end
+ end
+ def plaintext_structure(dob='',p_num='') #% Used to extract the structure of a document
+ heading_decoration=:inline #(:inline|:underscore) #switch heading decoration between inline & underscore options
+ util=nil
+ wrapped=if dob.is==:para \
+ || dob.is==:heading
+ if dob.is==:heading
+ util=(heading_decoration== :inline) \
+ ? (SiSU_TextUtils::Wrap.new(heading_decorated_inline(dob),@wrap_width,0))
+ : (SiSU_TextUtils::Wrap.new(dob.obj,@wrap_width,0))
+ elsif dob.is==:para
+ if dob.hang \
+ and dob.hang =~/[0-9]/ \
+ and dob.indent != dob.hang
+ util=SiSU_TextUtils::Wrap.new(dob.obj,@wrap_width,dob.indent.to_i*2,dob.hang.to_i*2)
+ #util=SiSU_TextUtils::Wrap.new(dob.obj,@wrap_width,dob.hang.to_i*2,0)
+ elsif dob.indent =~/[1-9]/
+ util=if dob.bullet_
+ SiSU_TextUtils::Wrap.new("* #{dob.obj}",@wrap_width,dob.indent.to_i*2)
+ else SiSU_TextUtils::Wrap.new(dob.obj,@wrap_width,dob.indent.to_i*2)
+ end
+ else
+ util=if dob.bullet_
+ SiSU_TextUtils::Wrap.new("* #{dob.obj}",@wrap_width,0)
+ else SiSU_TextUtils::Wrap.new(dob.obj,@wrap_width,0)
+ end
+ end
+ else util=SiSU_TextUtils::Wrap.new(dob.obj,@wrap_width,0)
+ end
+ dob.is==:heading ? util.no_wrap_no_breaks : util.line_wrap
+ end
+ if heading_decoration== :underscore \
+ and dob.is==:heading
+ @plaintext[:body] << wrapped + p_num # main text, contents, body KEEP
+ @plaintext[:body] << heading_decorated_underscore(dob,wrapped.length,p_num)
+ else
+ @plaintext[:body] << wrapped + p_num << break_line # main text, contents, body KEEP
+ end
+ if @@endnotes[:para] \
+ and not @@endnotes_
+ @@endnotes[:para].each {|e| @plaintext[:body] << e << break_line}
+ elsif @@endnotes[:para] \
+ and @@endnotes_
+ end
+ @@endnotes[:para]=[]
+ end
+ def markup(data) # Used for major markup instructions
+ SiSU_Env::InfoEnv.new(@md.fns)
+ @data_mod,@endnotes,@level,@cont,@copen,@plaintext_contents_close=Array.new(6){[]}
+ (0..6).each { |x| @cont[x]=@level[x]=false }
+ (4..6).each { |x| @plaintext_contents_close[x]='' }
+ plaintext_tail #($1,$2)
+ plaintext_metadata
+ table_message='[table conversion awaited, see other document formats]'
+ data.each do |dob|
+ dob.obj=dob.obj.gsub(/#{Mx[:gr_o]}Th?#{Mx[:tc_p]}.+/um,"#{break_line}#{table_message}"). #fix
+ gsub(/.+?#{Mx[:gl_o]}-##{Mx[:gl_c]}/,''). # remove dummy headings (used by html) #check also [~-]#
+ gsub(/#{Mx[:fa_bold_o]}(.+?)#{Mx[:fa_bold_c]}/,
+ "#{decorate.bold.open}\\1#{decorate.bold.close}").
+ gsub(/#{Mx[:fa_italics_o]}(.+?)#{Mx[:fa_italics_c]}/,
+ "#{decorate.italics.open}\\1#{decorate.italics.close}").
+ gsub(/#{Mx[:fa_underscore_o]}(.+?)#{Mx[:fa_underscore_c]}/,
+ "#{decorate.underscore.open}\\1#{decorate.underscore.close}").
+ gsub(/#{Mx[:fa_subscript_o]}(.+?)#{Mx[:fa_subscript_c]}/,
+ "#{decorate.subscript.open}\\1#{decorate.subscript.close}").
+ gsub(/#{Mx[:fa_superscript_o]}(.+?)#{Mx[:fa_superscript_c]}/,
+ "#{decorate.superscript.open}\\1#{decorate.superscript.close}").
+ gsub(/#{Mx[:fa_insert_o]}(.+?)#{Mx[:fa_insert_c]}/,
+ "#{decorate.insert.open}\\1#{decorate.insert.close}").
+ gsub(/#{Mx[:fa_cite_o]}(.+?)#{Mx[:fa_cite_c]}/,
+ "#{decorate.cite.open}\\1#{decorate.cite.close}").
+ gsub(/#{Mx[:fa_strike_o]}(.+?)#{Mx[:fa_strike_c]}/,
+ "#{decorate.strike.open}\\1#{decorate.strike.close}").
+ gsub(/#{Mx[:fa_monospace_o]}(.+?)#{Mx[:fa_monospace_c]}/,
+ "#{decorate.monospace.open}\\1#{decorate.monospace.close}")
+ unless dob.is==:code
+ dob.obj=dob.obj.gsub(/#{Mx[:lnk_o]}(.+?)#{Mx[:lnk_c]}#{Mx[:rel_o]}\S+?#{Mx[:rel_c]}/,'\1').
+ gsub(/#{Mx[:url_o]}_(\S+?)#{Mx[:url_c]}/,'\1').
+ gsub(/#{Mx[:lnk_o]}(.+?)#{Mx[:lnk_c]}#{Mx[:url_o]}(\S+?)#{Mx[:url_c]}/,'\1 [link: <\2>]').
+ gsub(/#{Mx[:lnk_o]}(.+?)#{Mx[:lnk_c]}image/,'\1 [link: local image]').
+ gsub(/#{Mx[:url_o]}(\S+?)#{Mx[:url_c]}/,"#{@brace_url.txt_open}\\1#{@brace_url.txt_close}")
+ dob.obj=dob.obj.gsub(/\s*#{Mx[:en_a_o]}([\d*+]+)\s+(.+?)#{Mx[:en_a_c]}/,' footnote:[note\1,\2]').
+ gsub(/\s*#{Mx[:en_b_o]}([\d*+]+\s+.+?)#{Mx[:en_b_c]}/,' footnote:[\1]')
+ dob.obj=dob.obj.gsub(/#{Mx[:en_a_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_a_c]}/,'[^\1]'). # endnote marker marked up
+ gsub(/#{Mx[:en_b_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_b_c]}/,'[^\1]'). # endnote marker marked up
+ gsub(/#{Mx[:gl_o]}(?:#lt|#060)#{Mx[:gl_c]}/,'<').
+ gsub(/#{Mx[:gl_o]}(?:#gt|#062)#{Mx[:gl_c]}/,'>').
+ gsub(/#{Mx[:gl_o]}#(?:038|amp)#{Mx[:gl_c]}/,'&').
+ gsub(/#{Mx[:gl_o]}#033#{Mx[:gl_c]}/,'!').
+ gsub(/#{Mx[:gl_o]}#035#{Mx[:gl_c]}/,'#').
+ gsub(/#{Mx[:gl_o]}#042#{Mx[:gl_c]}/,'*').
+ gsub(/#{Mx[:gl_o]}#045#{Mx[:gl_c]}/,'-').
+ gsub(/#{Mx[:gl_o]}#047#{Mx[:gl_c]}/,'/').
+ gsub(/#{Mx[:gl_o]}#095#{Mx[:gl_c]}/,'_').
+ gsub(/#{Mx[:gl_o]}#123#{Mx[:gl_c]}/,'{').
+ gsub(/#{Mx[:gl_o]}#125#{Mx[:gl_c]}/,'}').
+ gsub(/#{Mx[:gl_o]}#126#{Mx[:gl_c]}/,'~').
+ gsub(/#{Mx[:gl_o]}#169#{Mx[:gl_c]}/,'©').
+ gsub(/#{Mx[:gl_o]}#092#{Mx[:gl_c]}/,'\\')
+ end
+ dob.obj=if dob.of==:block # watch
+ dob.obj.gsub(/#{Mx[:gl_o]}●#{Mx[:gl_c]}/m,"* ").
+ gsub(/\n?#{Mx[:br_line]}\n?|\n?#{Mx[:br_nl]}\n?/m,break_line)
+ else dob.obj.gsub(/\n?#{Mx[:br_line]}\n?|\n?#{Mx[:br_nl]}\n?/m,break_line*2)
+ end
+ if dob.is==:code
+ dob.obj=dob.obj.gsub(/(^|[^}])_([<>])/m,'\1\2'). # _> _<
+ gsub(/(^|[^}])_([<>])/m,'\1\2') # _<_<
+ end
+ dob.obj=dob.obj.gsub(/#{Mx[:url_o]}_(\S+?)#{Mx[:url_c]}/,'\1').
+ gsub(/<a href=".+?">(.+?)<\/a>/m,'\1').
+ gsub(/#{Mx[:mk_o]}:name#(\S+?)#{Mx[:mk_c]}/,''). # remove name links
+ gsub(/&nbsp;|#{Mx[:nbsp]}/,' '). # decide on
+ gsub(/(?:^|[^_\\])#{Mx[:lnk_o]}(\S+?\.(?:png|jpg|gif)) .+?#{Mx[:lnk_c]}#{Mx[:url_o]}\S+?#{Mx[:url_c]}/,' [ \1 ]'). #"[ #{dir.url.images_local}\/\\1 ]")
+ gsub(/(?:^|[^_\\])#{Mx[:lnk_o]}(\S+?\.(?:png|jpg|gif)) .+?#{Mx[:lnk_c]}image/,' [ \1 ]').
+ gsub(/(?:^|[^_\\])\{\s*\S+?\.(?:png|jpg|gif)\s+.+?"(.*?)"\s*\}\S+/,'[image: "\1"]')
+ if dob.obj !~/(^#{Rx[:meta]}|#{Mx[:br_eof]}|#{Mx[:br_endnotes]})/
+ p_num=''
+ #ocn
+ if dob.is==:heading \
+ or dob.is==:para
+ plaintext_structure(dob,p_num)
+ elsif dob.is==:group \
+ or dob.is==:block \
+ or dob.is==:verse \
+ or dob.is==:code \
+ or dob.is==:table
+ @plaintext[:body] << dob.obj + p_num << break_line
+ elsif dob.is==:break
+ sp=' '
+ ln='<' #ln='-'
+ @plaintext[:body] <<=if dob.obj==Mx[:br_page] \
+ or dob.obj==Mx[:br_page_new] \
+ or dob.obj==Mx[:br_page_line]
+ "#{break_line}#{ln*40}#{break_line*2}"
+ elsif dob.obj ==Mx[:br_obj]
+ "#{break_line}#{sp*20}* * *#{break_line*2}"
+ end # following empty line (break_line) missing, fix
+ end
+ dob='' if (dob.obj =~/<a name="n\d+">/ \
+ and dob.obj =~/^(-\{{2}~\d+|<!e[:_]\d+!>)/) # -endnote
+ if dob ## Clean Prepared Text
+ dob.obj=dob.obj.gsub(/<!.+!>/,' ').
+ gsub(/<:\S+>/,' ')
+ end
+ end
+ end
+ @plaintext
+ end
+ def publish(plaintext)
+ divider='='
+ content=[]
+ content << plaintext[:open]
+ content << plaintext[:head]
+ content << plaintext[:body]
+ content << @@endnotes[:end] if @@endnotes_
+ content << "#{break_line}#{divider*@wrap_width}#{break_line}"
+ content << plaintext[:metadata]
+ content << "#{break_line}#{divider*@wrap_width}#{break_line}" if @md.stmp =~/\w+/ #not used?
+ content << plaintext[:tail]
+ Output.new(content,@md).asciidoc
+ @@endnotes={ para: [], end: [] }
+ end
+ end
+ class Output <Source
+ include SiSU_Param
+ include SiSU_Env
+ def initialize(content,md)
+ @content,@md=content,md
+ end
+ def asciidoc
+ file_plaintext=SiSU_Env::FileOp.new(@md).write_file.asciidoc
+ @sisu=[]
+ emptyline=0
+ @content.each do |para| # this is a hack
+ if para.is_a?(Array) \
+ and para.length > 0
+ para.each do |line|
+ if line
+ line=line.gsub(/[ \t]+$/m,'').
+ gsub(/^\A[ ]*\Z/m,'')
+ (line=~/^\A\Z/) \
+ ? (emptyline+=1)
+ : emptyline=0
+ if emptyline < 2 #remove additional empty lines
+ file_plaintext.puts line
+ end
+ end
+ end
+ else file_plaintext.puts para #unix plaintext # /^([*=-]|\.){5}/
+ end
+ end
+ file_plaintext.close
+ end
+ end
+ end
+end
+__END__