Class: Aozora2Html::Header

Inherits:
Object
  • Object
show all
Defined in:
lib/aozora2html/header.rb

Overview

ヘッダ生成用

Instance Method Summary collapse

Constructor Details

#initialize(css_files:) ⇒ Header

Returns a new instance of Header.



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# File 'lib/aozora2html/header.rb', line 6

def initialize(css_files:)
  @header = []
  @css_files = css_files
end

Instance Method Details

#build_header_info ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 72

def build_header_info
  header_info = { title: @header[0] }
  case @header.length
  when 2
    process_person(@header[1], header_info)
  when 3
    if header_element_type(@header[1]) == :original
      header_info[:original_title] = @header[1]
      process_person(@header[2], header_info)
    elsif process_person(@header[2], header_info) == :author
      header_info[:subtitle] = @header[1]
    else
      header_info[:author] = @header[1]
    end
  when 4
    if header_element_type(@header[1]) == :original
      header_info[:original_title] = @header[1]
    else
      header_info[:subtitle] = @header[1]
    end
    if process_person(@header[3], header_info) == :author
      header_info[:subtitle] = @header[2]
    else
      header_info[:author] = @header[2]
    end
  when 5
    header_info[:original_title] = @header[1]
    header_info[:subtitle] = @header[2]
    header_info[:author] = @header[3]
    if process_person(@header[4], header_info) == :author
      raise Aozora2Html::Error, 'parser encounted author twice'
    end
  when 6
    header_info[:original_title] = @header[1]
    header_info[:subtitle] = @header[2]
    header_info[:original_subtitle] = @header[3]
    header_info[:author] = @header[4]
    if process_person(@header[5], header_info) == :author
      raise Aozora2Html::Error, 'parser encounted author twice'
    end
  end
  header_info
end

#build_title(header_info) ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 64

def build_title(header_info)
  buf = [:author, :translator, :editor, :henyaku,
         :title, :original_title,
         :subtitle, :original_subtitle].filter_map { |item| header_info[item] }
  buf_str = buf.join(' ')
  "<title>#{buf_str}</title>"
end

#header_element_type(string) ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 24

def header_element_type(string)
  original = true
  string.each_char do |ch|
    code = ch.unpack1('H*')
    if ((code >= '00') && (code <= '7f')) || # 1byte
       ((code >= '8140') && (code <= '8258')) || # 1-1, 3-25
       ((code >= '839f') && (code <= '8491')) # 6-1, 7-81
    # continue
    else
      original = false
      break
    end
  end
  if original
    :original
  elsif string.match(PAT_EDITOR)
    :editor
  elsif string.match(PAT_HENYAKU)
    :henyaku
  elsif string.match(PAT_TRANSLATOR)
    :translator
  end
end

#out_header_info(hash, attr, true_name = nil) ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 15

def out_header_info(hash, attr, true_name = nil)
  found = hash[attr]
  if found
    "<h2 class=\"#{true_name or attr}\">#{found}</h2>\r\n"
  else
    ''
  end
end

#process_person(string, header_info) ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 48

def process_person(string, header_info)
  type = header_element_type(string)
  case type
  when :editor
    header_info[:editor] = string
  when :translator
    header_info[:translator] = string
  when :henyaku
    header_info[:henyaku] = string
  else
    type = :author
    header_info[:author] = string
  end
  type
end

#push(line) ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 11

def push(line)
  @header.push(line)
end

#to_html ⇒ Object 



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# File 'lib/aozora2html/header.rb', line 116

def to_html
  header_info = build_header_info

  # <title> 行を構築
  html_title = build_title(header_info)

  # 出力
  out_buf = []
  out_buf.push("<?xml version=\"1.0\" encoding=\"Shift_JIS\"?>\r\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\"\r\n    \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\r\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"ja\" >\r\n<head>\r\n	<meta http-equiv=\"Content-Type\" content=\"text/html;charset=Shift_JIS\" />\r\n	<meta http-equiv=\"content-style-type\" content=\"text/css\" />\r\n")
  @css_files.each do |css|
    out_buf.push("\t<link rel=\"stylesheet\" type=\"text/css\" href=\"#{css}\" />\r\n")
  end
  out_buf.push("\t#{html_title}\r\n	<script type=\"text/javascript\" src=\"../../jquery-1.4.2.min.js\"></script>\r\n  <link rel=\"Schema.DC\" href=\"http://purl.org/dc/elements/1.1/\" />\r\n	<meta name=\"DC.Title\" content=\"#{header_info[:title]}\" />\r\n	<meta name=\"DC.Creator\" content=\"#{header_info[:author]}\" />\r\n	<meta name=\"DC.Publisher\" content=\"#{AOZORABUNKO}\" />\r\n</head>\r\n<body>\r\n<div class=\"metadata\">\r\n")
  out_buf.push("<h1 class=\"title\">#{header_info[:title]}</h1>\r\n" +
               out_header_info(header_info, :original_title) +
               out_header_info(header_info, :subtitle) +
               out_header_info(header_info, :original_subtitle) +
               out_header_info(header_info, :author) +
               out_header_info(header_info, :editor) +
               out_header_info(header_info, :translator) +
               out_header_info(header_info, :henyaku, 'editor-translator'))
  out_buf.push("<br />\r\n<br />\r\n</div>\r\n<div id=\"contents\" style=\"display:none\"></div><div class=\"main_text\">")
  out_buf.join
end