Class: Sc2epub::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/sc2epub/converter.rb

Instance Method Summary collapse

Constructor Details

#initialize(env, root, output) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/sc2epub/converter.rb', line 5

def initialize env, root, output
    @root = path(root)
    @output = output
    @template = Sc2epub::Template::new
    @dirstack = []
    @indexes = []
    @env = env
end

Instance Method Details

#dodir(dir) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 107

def dodir dir
    return [] if File::basename(dir)=~/^\..*/
    @dirstack.push({:name =>local(dir), :src =>nil, :path => dir,
                       :type => :dir, :level => @dirstack.size})
    cache = {}
    until(@dirstack.empty?)
        dir = @dirstack.last[:path]
        subdir = nil
        Dir::foreach(dir) do |i|
            next if i=="."||i==".."
            path = File::join(dir, i)
            next if cache[path]
            if FileTest::directory? path
                subdir = path unless subdir
            elsif FileTest::file? path
                dofile(path)
                cache[path] = true
            end
        end
        if !subdir
            done = @dirstack.pop
            cache[done[:path]] = true
        else
            path = subdir
            @dirstack.push({:name =>local(path), :src =>nil, :path => path,
                               :type => :dir, :level => @dirstack.size})
        end
    end
end

#dofile(path) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 78

def dofile path
    #ext = File::extname(path)
    #if ext == '.html' or ext == '.xhtml' or ext == '.jpg' or ext == '.gif' or ext == '.png'
    #    FileUtils::cp(path, @output)
    #    return
    #end
    output = @output
    s = open(path){|io|io.read}
    enc = NKF::guess(s)
    if enc==NKF::BINARY
        return nil
    elsif enc!=NKF::ASCII and enc!=NKF::UTF8
        s = NKF::nkf('-wxm0', s)
    end
    title = title(local(path))
    s = CGI::escapeHTML(s)
    s = @template.xhtml('title'=>local(path), 'body'=>s)
    npath = title+".html"
    if @dirstack.last and not @dirstack.last[:src]
        @dirstack.last[:src] = npath
        @indexes << @dirstack.last
    end
    open(File::join(output, npath), "w") do |io|
        io.write(s)
    end
    level = @dirstack.empty? ? 1 : @dirstack.last[:level]+1
    @indexes << {:src => npath, :name =>local(path), :type => :file, :level => level}
    title
end

#dogenerate(doctitle) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 28

def dogenerate doctitle
    output = @output
    indexhtml = ''
    items = ''; c=0;
    nvitems = ''
    cover = File::join(File::dirname(__FILE__), 'cover.jpg')
	#prettify = File::join(File::dirname(__FILE__), 'prettify')
	#::FileUtils::cp_r(prettify, output)
    ::FileUtils::cp(cover, output)
    @indexes.each do |data|
        title = data[:name]
        link = data[:src]
        if data[:type]==:dir && data[:level]+2<=4
            tagname = "h" + (data[:level]+2).to_s
        else
            tagname = 'p'
        end
        indexhtml += "<#{tagname}>" + @template.link('url'=>link, 'title'=>title) + "</#{tagname}>\n"
        if data[:type]==:file
            items += @template.item('id'=>"item#{c+=1}", 'link'=>link)
            nvitems += @template.navi('id'=>"navPoint-#{c}", 'order'=>c.to_s, 'link'=>link, 'title'=>title)
        end
    end
    indexhtml = @template.index('title'=>'index', 'body'=>indexhtml)
    opf = @template.opf('title'=>doctitle, 'date'=>Time::now.strftime("%Y/%m/%d"),
                        'lang' => @env[:lang],
                        'items'=>items, 'author'=>@env[:author])
    ncx = @template.ncx('title'=>doctitle, 'navitems'=>nvitems)
    open(File::join(output, 'index.html'), 'w') do |io|
        io.write(indexhtml)
    end
    opfpath = "#{doctitle}.opf"
    open(File::join(output, opfpath), 'w') do |io|
        io.write(opf)
    end
    open(File::join(output, 'toc.ncx'), 'w') do |io|
        io.write(ncx)
    end
    Dir::mkdir(File::join(output, 'META-INF')) unless FileTest::exists? File::join(output, 'META-INF')
    open(File::join(output, 'META-INF', 'container.xml'), 'w') do |io|
        io.write(@template.container('opfpath'=>opfpath))
    end
    open(File::join(output, 'mimetype'), 'w') do |io|
        io.puts('application/epub+zip')
    end
    makefile = @template.makefile('title'=>doctitle)
    open(File::join(output, 'Makefile'), 'w') do |io|
        io.write(makefile)
    end
end

#doroot(dir) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 136

def doroot dir
    dir = path(dir)
    Dir::foreach(dir) do |i|
        next if i=="."||i==".."
        path = File::join(dir, i)
        if FileTest::directory? path
            dodir(path)
        elsif FileTest::file? path
            dofile(path)
        end
    end
end

#local(path) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 16

def local path
    if path.index(@root)==0
        path = path[@root.size, path.size]
    end
    if path[0,1] == "/"
        path = path[1, path.size]
    end
    return path
end

#path(path) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 13

def path path
    r = File::expand_path(path)
end

#title(path) ⇒ Object 



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# File 'lib/sc2epub/converter.rb', line 25

def title path
    path.gsub(/\//, "_").gsub(/\./, '_')
end