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path: root/lib/sisu/html_harvest_authors.rb
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# encoding: utf-8
=begin

* Name: SiSU

** Description: documents, structuring, processing, publishing, search
*** metadata harvest, extract authors and their writings from document set

** 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, 2016 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/harvest_authors.rb;hb=HEAD>

=end
module SiSU_HarvestAuthors
  require_relative 'html_harvest_author_format'          # html_harvest_author_format.rb
  require_relative 'html_parts'                          # html_parts.rb
  class Songsheet
    @@the_idx_authors={}
    def initialize(opt,env)
      @opt,@env=opt,env
      @file_list=opt.files
    end
    def songsheet
      idx_array={}
      @opt.f_pths.each do |y|
        lang_hash_file_array={}
        name=y[:f]
        filename=y[:pth] + '/' + y[:f]
        File.open(filename,'r') do |file|
          file.each_line("\n\n") do |line|
            if line =~/^@(?:title|creator|date):(?:\s|$)/m
              lang_hash_file_array[y[:lng_is]] ||= []
              lang_hash_file_array[y[:lng_is]] << line
            elsif line =~/^@\S+?:(?:\s|$)/m \
            or line =~/^(?:\s*\n|%+ )/
            else break
            end
          end
        end
        lang_hash_file_array.each_pair do |lang,a|
          idx_array[lang] ||= []
          idx_array=SiSU_HarvestAuthors::Harvest.new(
            @opt,
            @env,
            a,
            filename,
            name,
            idx_array,
            lang
          ).extract_harvest
        end
      end
      the_idx=SiSU_HarvestAuthors::Index.new(
        idx_array,
        @@the_idx_authors
      ).construct_book_author_index
      SiSU_HarvestAuthors::OutputIndex.new(
        @opt,
        the_idx
      ).html_print.html_songsheet
    end
  end
  class Harvest
    def initialize(opt,env,data,filename,name,idx_array,lang)
      @opt, @env,@data,@filename,@name,@idx_array,@lang=
        opt,env, data, filename, name, idx_array, lang
    end
    def extract_harvest
      data,   filename, name, idx_array, lang =
        @data,@filename,@name,@idx_array,@lang
      @title=@subtitle=@fulltitle=@author=@author_format=@date=nil
      @authors=[]
      rgx={}
      rgx[:author]=/^@creator:(?:[ ]+|.+?:author:[ ]+)(.+?)(?:\||\n)/m
      rgx[:title]=/^@title:[ ]+(.+)/
      rgx[:subtitle]=/^@title:.+?:subtitle:[ ]+(.+?)\n/m
      rgx[:date]=/^@date:(?:[ ]+|.+?:published:[ ]+)(\d{4})/m
      data.each do |para|
        if para=~ rgx[:title]
          @title=rgx[:title].match(para)[1]
        end
        if para=~ rgx[:subtitle]
          @subtitle=rgx[:subtitle].match(para)[1]
        end
        if para=~ rgx[:author]
          @author_format=rgx[:author].match(para)[1]
        end
        if para=~ rgx[:date]
          @date=rgx[:date].match(para)[1]
        end
        break if @title && @subtitle && @author && @date
      end
      @fulltitle=@subtitle \
      ? (@title + ' - ' + @subtitle)
      : @title
      if @title \
      and @author_format
        creator=SiSU_FormatAuthor::Author.new(@author_format.strip).author_details
        @authors,@authorship=creator[:authors],creator[:authorship]
        file=if name=~/~[a-z]{2,3}\.ss[mt]$/
          name.sub(/~[a-z]{2,3}\.ss[mt]$/,'')
        else
          name.sub(/\.ss[mt]$/,'')
        end
        page=if @env.output_dir_structure.by? == :language
          "#{lang}/sisu_manifest.html"
        else
          "sisu_manifest.#{lang}.html"
        end
        idx_array[lang] <<= {
          filename: filename,
          file: file,
          date: @date,
          title: @fulltitle,
          author: creator,
          page: page,
          lang: lang
        }
      else
        #p "missing author field: #{@filename} title: #{@title}; author: #{@author_format}"
      end
      idx_array[lang]=idx_array[lang].flatten
      idx_array
    end
  end
  class Index
    def initialize(idx_array,the_idx)
      @idx_array,@the_idx=idx_array,the_idx
      @@the_idx_authors=@the_idx
    end
    def capital(txt)
      txt[0].chr.capitalize + txt[1,txt.length]
    end
    def construct_book_author_index
      idx_array=@idx_array
      idx_array.each_pair do |lang,idx_arr|
        @@the_idx_authors[lang] ||= {}
        idx_arr.each do |idx|
          idx[:author][:last_first_format_a].each do |author|
            author=author.strip
            if @@the_idx_authors[lang][author].is_a?(NilClass)
              @@the_idx_authors[lang][author]={ md: [] }
            end
            @@the_idx_authors[lang][author][:md] << {
              filename: idx[:filename],
              file: idx[:file],
              author: idx[:author],
              title: idx[:title],
              date: idx[:date],
              page: idx[:page],
              lang: idx[:lang]
            }
          end
        end
      end
      @the_idx=@@the_idx_authors
    end
  end
  class OutputIndex
    require_relative 'i18n'                               # i18n.rb
    def initialize(opt,the_idx)
      @opt,@the_idx=opt,the_idx
      @env=SiSU_Env::InfoEnv.new
      @rc=SiSU_Env::GetInit.new.sisu_yaml.rc
      @alphabet_list=%W[9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z]
      @alph=@alphabet_list.dup
      @letter=@alph.shift
    end
    def html_file_open
      @the_idx.keys.each do |lng|
        @output ||={}
        @output[lng] ||={}
        harvest_pth,file='',''
        if @env.output_dir_structure.by? == :language
          harvest_pth=@env.path.webserv + '/' \
          + @opt.base_stub + '/' \
          + lng + '/' \
          + 'manifest'
          file="#{harvest_pth}/authors.html"
        elsif @env.output_dir_structure.by? == :filetype
          harvest_pth=@env.path.webserv + '/' \
          + @opt.base_stub + '/' \
          + 'manifest'
          file="#{harvest_pth}/authors.#{lng}.html"
        elsif @env.output_dir_structure.by? == :filename
          harvest_pth=@env.path.webserv + '/' \
          + @opt.base_stub
          file="#{harvest_pth}/authors.#{lng}.html"
        end
        FileUtils::mkdir_p(harvest_pth) \
          unless FileTest.directory?(harvest_pth)
        fileinfo=(@opt.act[:verbose][:set]==:on \
        || @opt.act[:verbose_plus][:set]==:on \
        || @opt.act[:urls_selected][:set]==:on \
        || @opt.act[:maintenance][:set]==:on) \
        ? ("file://#{file}") : ''
        SiSU_Screen::Ansi.new(
          @opt.act[:color_state][:set],
          "harvest authors (#{@opt.files.length} files)",
          fileinfo
        ).dark_grey_title_hi unless @opt.act[:quiet][:set]==:on
        @output[lng][:html]=File.new(file,'w')
      end
    end
    def html_file_close
      @the_idx.keys.each do |lng|
        @output[lng][:html].close
        @output[lng][:html_mnt].close \
          if @output[lng][:html_mnt].is_a?(File)
      end
    end
    def html_print
      def html_songsheet
        html_file_open
        html_head
        html_alph
        html_body
        html_tail
        html_file_close
      end
      def html_head_adjust(lng,type='')
        css_path,topics='',''
        if @env.output_dir_structure.by? == :language
          css_path=(type !~/maintenance/) \
          ? '../../_sisu/css/harvest.css'
          : 'harvest.css'
          topics='topics.html'
        elsif @env.output_dir_structure.by? == :filetype
          css_path=(type !~/maintenance/) \
          ? '../_sisu/css/harvest.css'
          : 'harvest.css'
          topics="topics.#{lng}.html"
        elsif @env.output_dir_structure.by? == :filename
          css_path=(type !~/maintenance/) \
          ? './_sisu/css/harvest.css'
          : 'harvest.css'
          topics="topics.#{lng}.html"
        end
        ln=SiSU_i18n::Languages.new.language.list
        harvest_languages=''
        @the_idx.keys.each do |lg|
          if @env.output_dir_structure.by? == :language
            harvest_pth="../../#{lg}/manifest"
            file="#{harvest_pth}/authors.html"
          elsif @env.output_dir_structure.by? == :filetype
            harvest_pth='.'
            file="#{harvest_pth}/authors.#{lg}.html"
          elsif @env.output_dir_structure.by? == :filename
            harvest_pth='.'
            file="#{harvest_pth}/authors.#{lg}.html"
          end
          l=ln[lg][:t]
          harvest_languages +=
            %{<a href="#{file}">#{l}</a>&nbsp;&nbsp;&nbsp;}
        end
        sv=SiSU_Env::InfoVersion.instance.get_version
        if @env.output_dir_structure.by? == :language
          home_pth='../..'
          output_structure_by=
            '(output organised by language &amp; filetype)'
        elsif @env.output_dir_structure.by? == :filetype
          home_pth='..'
          output_structure_by=
            '(output organised by filetype)'
        elsif @env.output_dir_structure.by? == :filename
          home_pth='.'
          output_structure_by=
            '(output organised by filename)'
        else
          home_pth='.'
          output_structure_by='(output organised by ?)'
        end
        <<WOK
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>SiSU Metadata Harvest - Authors</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="dc.title" content= "SiSU metadata harvest, Authors - SiSU information Structuring Universe, Structured information Serialised Units" />
<meta name="dc.subject" content= "document structuring, ebook, publishing, PDF, LaTeX, XML, ODF, SQL, postgresql, sqlite, electronic book, electronic publishing, electronic document, electronic citation, data structure, citation systems, granular search, digital library" />
<meta name="generator" content="#{sv.project} #{sv.version} of #{sv.date_stamp} (n*x and Ruby!)" />
<link rel="generator" href="http://www.jus.uio.no/sisu/SiSU" />
<link href="#{css_path}" rel="stylesheet" >
<link rel="shortcut icon" href="../_sisu/image/rb7.ico" />
</head>
<body lang="en" xml:lang="en">
<a name="top" id="top"></a>
<a name="up" id="up"></a>
<a name="start" id="start"></a>
<h1>SiSU Metadata Harvest - Authors #{output_structure_by}</h1>
<p>[<a href="#{home_pth}/index.html">&nbsp;HOME&nbsp;</a>] also see <a href="#{topics}">SiSU Metadata Harvest - Topics</a></p>
<p>#{@env.widget_static.search_form}</p>
<hr />
<p class="tiny">#{harvest_languages}</p>
<hr />
WOK
      end
      def html_head
        @the_idx.keys.each do |lng|
          @output[lng][:html_mnt] \
          << html_head_adjust(lng,'maintenance') \
            if @opt.act[:maintenance][:set]==:on
          @output[lng][:html] \
          << html_head_adjust(lng)
        end
      end
      def html_alph
        a=[]
        a << '<p>'
        @alph.each do |x|
          a << ((x =~/[0-9]/) \
          ? ''
          : %{<a href="##{x}">#{x}</a>,&nbsp;})
        end
        a=a.join
        @the_idx.keys.each do |lng|
          @output[lng][:html_mnt] << a \
            if @opt.act[:maintenance][:set]==:on
          @output[lng][:html] << a
        end
      end
      def html_tail
        a =<<WOK
<hr />
<a name="bottom" id="bottom"></a>
<a name="down" id="down"></a>
<a name="end" id="end"></a>
<a name="finish" id="finish"></a>
<a name="stop" id="stop"></a>
<a name="credits"></a>
#{SiSU_Proj_HTML::Bits.new.credits_sisu}
</body>
</html>
WOK
        @the_idx.keys.each do |lng|
          @output[lng][:html_mnt] << a \
            if @output[lng][:html_mnt].is_a?(File)
          @output[lng][:html] << a
        end
      end
      def do_html(lng,html)
        @output[lng][:html_mnt] << html \
          if @output[lng][:html_mnt].is_a?(File)
        @output[lng][:html] << html
      end
      def do_string_name(lng,attrib,string)
        f=/^(\S)/.match(string[0])[1]
        if @lng != lng
          @alph=@alphabet_list.dup
          @letter=@alph.shift
          @lng = lng
        end
        if @letter < f
          while @letter < f
            if @alph.length > 0
              @letter=@alph.shift
              if @output[lng][:html_mnt].is_a?(File)
                @output[lng][:html_mnt] \
                << %{\n<p class="letter"><a name="#{@letter}"></p>#{@letter}</a><p class="book_index_lev1"><a name="#{@letter.downcase}"></a></p>}
              end
              @output[lng][:html] \
              << %{\n<p class="letter"><a name="#{@letter}">#{@letter}</a></p><p class="book_index_lev1"><a name="#{@letter.downcase}"></a></p>}
            else break
            end
          end
        end
      end
      def html_body
        the_idx=@the_idx
        the_idx.each_pair do |lng,lng_array|
          lng_array.sort.each do |a|
            do_string_name(lng,'',a)
            name=a[0].sub(/(.+?)(?:,.+|$)/,'\1').gsub(/\s+/,'_')
            x = %{<p class="author"><a name="#{name}">#{a[0]}</a></p>}
            if @output[lng][:html_mnt].is_a?(File)
              @output[lng][:html_mnt] << x
            end
            @output[lng][:html] << x
            lang_code_insert=SiSU_Env::FilenameLanguageCodeInsert.new(@opt,lng).language_code_insert
            works=[]
            a[1][:md].each do |i|
              manifest_at=if @env.output_dir_structure.by? == :language
                i[:file] + Sfx[:html]
              elsif @env.output_dir_structure.by? == :filetype
                i[:file] + lang_code_insert + Sfx[:html]
              elsif @env.output_dir_structure.by? == :filename
                './' + i[:file] + '/' + i[:page]
              else '' #error
              end
              work=[
                "#{i[:date]} #{i[:title]}",
                %{<p class="publication">#{i[:date]} <a href="#{manifest_at}">#{i[:title]}</a>, #{i[:author][:authors_s]}</p>}
              ]
              works<<=(@output[lng][:html_mnt].is_a?(File)) \
              ? (work.concat([%{<p class="publication">[<a href="#{i[:file]}.sst">src</a>]&nbsp;&nbsp;#{i[:date]} <a href="file://#{manifest_at}">#{i[:title]}</a>, #{i[:author][:authors_s]} -- [<a href="#{i[:file]}.sst">#{i[:file]}.sst</a>]</p>}]))
              : work
            end
            works.sort_by {|y| y[0]}.each do |z|
              @output[lng][:html] << z[1]
              @output[lng][:html_mnt] << z[2] \
                if @output[lng][:html_mnt].is_a?(File)
            end
          end
        end
      end
      self
    end
    def screen_print
      def cycle
        the_idx=@the_idx
        the_idx.sort.each do |a|
          puts a[0]
          a[1][:md].each do |x|
            puts "\t" + x[:file]
          end
        end
      end
      self
    end
  end
end
__END__