394 lines
8.1 KiB
Ruby
394 lines
8.1 KiB
Ruby
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#!/usr/bin/env ruby
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# This file is part of Metasm, the Ruby assembly manipulation suite
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# Copyright (C) 2006-2009 Yoann GUILLOT
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#
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# Licence is LGPL, see LICENCE in the top-level directory
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# This scripts is used to compile the Metasm documentation into html files
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# Losely inspired from the rst syntax
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# stuff to generate html code
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module Html
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class Elem
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attr_reader :name, :attrs, :content, :style
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IndentAdd = ' '
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def initialize(name, attrs=nil, content=nil)
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@name = name
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@attrs = Hash.new
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@style = Hash.new
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attrs.each { |k, v| set_attr(k, v) } if attrs
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if content == false
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@content = Array.new
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@uniq = true
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else
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@content = content ? content : Array.new
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@uniq = false
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end
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self
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end
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@@quotechars = {
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'<27>' => 'é',
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'<27>' => 'è',
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'<27>' => 'ë',
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'<27>' => 'à',
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'>' => '>',
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'<' => '<',
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'"' => '"',
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'&' => '&',
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}
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def add(*content)
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content.each { |e|
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if (e.class == Array)
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add(*e)
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next
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end
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if e.class.ancestors.include? Elem
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@content << e
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else
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@content << e.to_s.gsub(Regexp.new("(#{@@quotechars.keys.join('|')})")) { |x| @@quotechars[x] }
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end
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}
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self
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end
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alias << add
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def add_style(k, v)
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@style[k] = v
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self
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end
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def set_attr(k, v)
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if k == 'style'
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v.split(/\s*;\s*/).each { |s|
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add_style($1, $2) if s =~ /^\s*(\S+)\s*:\s*(.*?)\s*$/
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}
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else
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@attrs[k]=v
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end
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self
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end
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def bg(c)
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@style['background'] = c
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self
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end
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def hclass(c)
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@attrs['class'] = c
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self
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end
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def length(start=nil)
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# text length on one line w/o indent
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if start
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l = start.length
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else
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# '<name>'
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l = @name.length + 2
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@attrs.each{ |k, v|
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l += " #{k}=\"#{v}\"".length
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}
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# ' style=""' - last '; '
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l += 9-2 unless @style.empty?
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# 'k: v; '
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@style.each{ |k, v|
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l += "#{k}: #{v}; ".length
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}
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# ' /'
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l += 2 if @uniq
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end
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@content.each{ |c|
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l += c.length
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}
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# '</name>'
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l += 3+@name.length unless @uniq
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return l
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end
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def to_s(indent = '')
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attrs = @attrs.map { |k, v| " #{k}=\"#{v}\"" }.join
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attrs += ' style="' + @style.map{ |k, v| "#{k}: #{v}" }.join('; ') + '"' unless @style.empty?
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s = '' << indent << '<' << @name << attrs << (@uniq ? ' />' : '>')
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if @uniq
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s
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elsif @name == 'pre'
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s << @content.map { |c| c.to_s }.join.chomp << '</pre>'
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else
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if length(s) > 80
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sindent = indent + IndentAdd
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sep = "\n"
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@content.each { |c|
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case c
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when Elem
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if sep == ''
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s << c.to_s(sindent).sub(/^\s+/, '')
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else
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s << sep << c.to_s(sindent)
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end
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when String
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if c =~ /^\s+/ or (@name == 'p' and c == @content.first)
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s << sep << sindent << c.sub(/^\s+/, '')
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else
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s << c.sub(/\s+(\S+)/, "\n"+sindent+'\\1')
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end
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if c !~ /\s+$/
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sep = ''
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next
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end
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else
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s << sep << sindent << c.to_s
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end
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sep = "\n"
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}
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sep = "\n" if @name == 'p'
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sep << indent if sep != ''
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s << sep << "</#@name>"
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else
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s << @content.map { |c| c.to_s }.join << "</#@name>"
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end
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end
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end
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def inspect
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"<#{@name}"+@content.map{|c|"\n"+c.inspect}.join+"\n/#{@name}>"
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end
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end
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class Page < Elem
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attr_reader :body, :head
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def initialize
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@body = Elem.new('body')
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@head = Elem.new('head')
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super('html', {'xmlns'=>'http://www.w3.org/1999/xhtml', 'xml:lang'=>'fr'})
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add(@head)
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add(@body)
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end
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def to_s
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'<?xml version="1.0" encoding="us-ascii" ?>'+"\n"+
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'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'+"\n"+
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super.to_s
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end
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end
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class Img < Elem
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def initialize(src, alt=nil)
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super('img', {'src'=>src}, false)
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set_attr('alt', alt) if alt
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self
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end
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end
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class A < Elem
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def initialize(href, text)
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super('a', {'href'=>href}, [text])
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end
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end
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class P < Elem
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def initialize(content = nil)
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super('p')
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add(content) if content
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self
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end
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end
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class Div < Elem
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def initialize(hclass = nil)
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super('div')
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hclass(hclass) if hclass
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self
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end
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end
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class Span < Elem
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def initialize(hclass = nil)
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super('span')
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hclass(hclass) if hclass
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self
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end
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end
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class Stylesheet < Elem
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def initialize(href)
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super('link', {'rel'=>'stylesheet', 'type'=>'text/css', 'href'=>href}, false)
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end
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end
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class Br < Elem
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def initialize
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super('br', nil, false)
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end
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end
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class Hr < Elem
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def initialize
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super('hr', nil, false)
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end
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end
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class List < Elem
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def initialize(*elems)
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super('ul')
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elems.each { |e| add_line(e) }
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end
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def add_line(line)
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add(Elem.new('li').add(line))
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self
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end
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end
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end
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class Txt2Html
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def initialize(f)
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@@done ||= []
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return if @@done.include? f
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@@done << f
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raise 'bad path' if (f.split('/') & ['.', '..']).first
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outf = outfilename(f)
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puts "compiling #{outf}..." if $VERBOSE
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@pathfix = outf.split('/')[0...-1].map { '../' }.join
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out = compile(File.read(f) + "\n\n")
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File.open(outf, 'w') { |fd| fd.puts out }
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end
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def outfilename(f)
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f.sub(/\.txt$/, '') + '.html'
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end
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def compile(raw)
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prev = ''
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state = {}
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out = Html::Page.new
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out.head << Html::Stylesheet.new(@pathfix + 'style.css')
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flush = lambda {
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out.body << Html::P.new(compile_string(prev)) if prev.length > 0
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[:pre, :list, :par].each { |f| state.delete f }
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prev = ''
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}
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raw.each_line { |l|
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case l = l.chomp
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when /^([=#-])\1{3,}$/
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if prev.length > 0
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# title
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if not state[:h1] or state[:h1] == $1
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state[:h1] = $1
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e = 'h1'
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elsif not state[:h2] or state[:h2] == $1
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state[:h2] = $1
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e = 'h2'
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elsif not state[:h3] or state[:h3] == $1
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state[:h3] = $1
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e = 'h3'
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else raise "unknown title level after #{prev.inspect}"
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end
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str = compile_string(prev)
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state[:title] ||= str if e == 'h1'
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out.body << Html::Elem.new(e).add(str)
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prev = ''
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flush[]
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else
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# horizontal rule
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out.body << Html::Hr.new
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flush[]
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end
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when /^[*-]\s+(.*)/
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# list
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text = $1
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if not lst = state[:list]
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flush[]
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lst = state[:list] = Html::List.new
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out.body << lst
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end
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lst.add_line compile_string(text)
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when /^\s+(\S.*)$/
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# preformatted text
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if not pre = state[:pre]
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flush[]
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pre = state[:pre] = Html::Elem.new('pre')
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out.body << pre
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end
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pre.add compile_string(l) + ["\n"]
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when /^\s*$/
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flush[]
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else
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prev << ' ' if prev.length > 0
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prev << l
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end
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}
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flush[]
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out.head << Html::Elem.new('title').add(state[:title]) if state[:title]
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out
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end
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# handle **bold_words** *italic* `fixed` <links>
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def compile_string(str)
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o = [str]
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on = []
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o.each { |s|
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while s.kind_of? String and o1 = s.index('**') and o2 = s.index('**', o1+2) and not s[o1..o2].index(' ')
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on << s[0...o1] << Html::Elem.new('b').add(s[o1+2...o2].tr('_', ' '))
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s = s[o2+2..-1]
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end
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on << s
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}
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o = on
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on = []
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o.each { |s|
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while s.kind_of? String and o1 = s.index('*') and o2 = s.index('*', o1+1) and not s[o1..o2].index(' ')
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on << s[0...o1] << Html::Elem.new('i').add(s[o1+1...o2].tr('_', ' '))
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s = s[o2+1..-1]
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end
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on << s
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}
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o = on
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on = []
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o.each { |s|
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while s.kind_of? String and o1 = s.index('`') and o2 = s.index('`', o1+1)
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on << s[0...o1] << Html::Span.new('quote').add(s[o1+1...o2])
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s = s[o2+1..-1]
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end
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on << s
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}
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o = on
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on = []
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o.each { |s|
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while s.kind_of? String and o1 = s.index('<') and o2 = s.index('>', o1+1) and not s[o1..o2].index(' ')
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on << s[0...o1]
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lnk = s[o1+1...o2]
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s = s[o2+1..-1]
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if File.exist? lnk
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case lnk[/\.(\w+)$/, 1]
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when 'txt'
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tg = outfilename(lnk)
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Txt2Html.new(lnk)
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on << Html::A.new(@pathfix + tg, File.basename(lnk, '.txt').tr('_', ' '))
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when 'jpg', 'png'
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on << Html::Img.new(lnk)
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end
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else
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if lnk =~ /\.txt$/
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@@seen_nofile ||= []
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if not @@seen_nofile.include? lnk
|
|||
|
|
@@seen_nofile << lnk
|
|||
|
|
puts "reference to missing #{lnk.inspect}"
|
|||
|
|
end
|
|||
|
|
end
|
|||
|
|
on << Html::A.new(lnk, lnk)
|
|||
|
|
end
|
|||
|
|
end
|
|||
|
|
on << s
|
|||
|
|
}
|
|||
|
|
o = on
|
|||
|
|
end
|
|||
|
|
end
|
|||
|
|
|
|||
|
|
if __FILE__ == $0
|
|||
|
|
if ARGV.empty?
|
|||
|
|
Dir.chdir(File.expand_path(File.join(File.dirname(__FILE__), '../doc')))
|
|||
|
|
ARGV.concat Dir['**/index.txt']
|
|||
|
|
end
|
|||
|
|
ARGV.each { |a| Txt2Html.new(a) }
|
|||
|
|
end
|