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|
# encoding: utf-8
=begin
* Name: SiSU
** Description: documents, structuring, processing, publishing, search
*** plaintext (smarttext) generation, rST
** Author: Ralph Amissah
<ralph@amissah.com>
<ralph.amissah@gmail.com>
** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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>
** Git
<http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
<http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/current/plaintext_rst.rb;hb=HEAD>
=end
module SiSU_Txt_rST
require_relative 'ao' # ao.rb
require_relative 'se' # se.rb
include SiSU_Env
require_relative 'shared_metadata' # shared_metadata.rb
require_relative 'generic_parts' # generic_parts.rb
require_relative 'txt_shared' # txt_shared.rb
include SiSU_Param
@@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$/
puts "#{sf} not a processed file type"
end
end
def read
begin
md=SiSU_Param::Parameters.new(@opt).get
env=SiSU_Env::InfoEnv.new(@opt.fns)
unless @opt.act[:quiet][:set]==:on
tool=(@opt.act[:verbose][:set]==:on \
|| @opt.act[:verbose_plus][:set]==:on \
|| @opt.act[:maintenance][:set]==:on) \
? "#{env.program.text_editor} #{md.file.output_path.rst.dir}/#{md.file.base_filename.rst}"
: "[#{@opt.f_pth[:lng_is]}] #{@opt.fno}"
(@opt.act[:verbose][:set]==:on \
|| @opt.act[:verbose_plus][:set]==:on \
|| @opt.act[:maintenance][:set]==:on) \
? SiSU_Screen::Ansi.new(
@opt.act[:color_state][:set],
'rST (plaintext utf-8)',
tool
).green_hi_blue
: SiSU_Screen::Ansi.new(
@opt.act[:color_state][:set],
'rST (plaintext utf-8)',
tool
).green_title_hi
if (@opt.act[:verbose_plus][:set]==:on \
|| @opt.act[:maintenance][:set]==:on)
SiSU_Screen::Ansi.new(
@opt.act[:color_state][:set],
@opt.fns,
"#{md.file.output_path.rst.dir}/#{md.file.base_filename.rst}"
).flow
end
end
ao_array=SiSU_AO::Source.new(@opt).get # ao file drawn here
wrap_width=if defined? md.make.plaintext_wrap \
and md.make.plaintext_wrap
md.make.plaintext_wrap
elsif defined? env.plaintext_wrap \
and env.plaintext_wrap
env.plaintext_wrap
else 78
end
#wrap_width=(defined? md.make.plaintext_wrap) ? md.make.plaintext_wrap : 78
SiSU_Txt_rST::Source::Scroll.new(md,ao_array,wrap_width).songsheet
rescue
SiSU_Errors::Rescued.new($!,$@,@opt.selections.str,@opt.fns).location do
__LINE__.to_s + ':' + __FILE__
end
ensure
end
end
private
class Scroll <Source
include SiSU_Parts_Generic
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)
@tab="\t"
@@endnotes_=case md.opt.selections.str
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 extract_endnotes(dob='')
notes=dob.obj.scan(/(?:#{Mx[:en_a_o]}|#{Mx[:en_b_o]})([\d*+]+\s+.+?)(?:#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/)
@n=[]
notes.flatten.each do |n| #high cost to deal with <br> appropriately within plaintext, consider
n=n.dup.to_s
if n =~/#{Mx[:br_line]}|#{Mx[:br_nl]}/
fix = n.split(/#{Mx[:br_line]}|#{Mx[:br_nl]}/) #watch #added
fix.each do |x|
unless x.empty?; @n << x
end
end
else @n << n
end
end
notes=@n.flatten
notes.each do |e|
util=(e.to_s =~/^\[[\d*+]+\]:/) \
? (SiSU_TextUtils::Wrap.new(e.to_s,@wrap_width,4,1))
: (SiSU_TextUtils::Wrap.new(e.to_s,@wrap_width,1,1))
wrap=util.line_wrap
wrap=if wrap =~ /^\s*[\d*+]+\s+.+?\s*\Z/m
wrap.gsub(/^(\s*)([\d*+]+)\s+(.+?)\s*\Z/m, <<-GSUB
\\1[\\2]: \\3
GSUB
)
else
wrap.gsub(/^(.+)\Z/m, <<-GSUB
\\1
GSUB
)
end
@@endnotes[:para] << "-#{wrap}"
@@endnotes[:end] << '' << wrap
end
@@endnotes
end
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)
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.rst.url}/#{@md.file.base_filename.rst}#{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 #{the_url.sisu_txt}
WOK
end
def decorate
def heading
def underscore
def l0
'='
end
def l1
'-'
end
def l2
'`'
end
def l3
':'
end
def l4
"'"
end
def l5
'"'
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
def open
'*'
end
def close
'*'
end
self
end
def monospace
def open
'#'
end
def close
'#'
end
self
end
self
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
util=nil
wrapped=if dob.is==:para \
|| dob.is==:heading
if dob.is==:heading
util=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 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]}/,"#{the_text.url_open}\\1#{the_text.url_close}")
extract_endnotes(dob)
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(/ |#{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='-'
@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).rst
@@endnotes={ para: [], end: [] }
end
end
class Output <Source
include SiSU_Param
include SiSU_Env
def initialize(content,md)
@content,@md=content,md
end
def rst
file_plaintext=SiSU_Env::FileOp.new(@md).write_file.rst
@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__
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