171 lines
4.0 KiB
Ruby
171 lines
4.0 KiB
Ruby
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module Latex
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@@replacements = [
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[ /\&/, '\\\&'],
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[ / "/, " ``"],
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[ /\$/, "\\\$"],
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[ /\%/, "\\\%"],
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[ /#/, "\\\#"],
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[ /\~/, "$\\sim$"],
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[ /…/, "\\ldots"],
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[ /ö/, "\\\"o"],
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[ /ò/, '\\\`o']
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]
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def Latex.replacements
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@@replacements
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end
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class Builder
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def initialize(out)
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@out = out
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@commands = {}
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latex_command(:section)
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latex_command(:subsection)
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latex_command(:subsubsection)
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latex_command(:section!)
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latex_command(:subsection!)
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latex_command(:subsubsection!)
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latex_command(:renewcommand)
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latex_command(:textbf, yield_arg: true)
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latex_command(:textit, yield_arg: true)
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latex_command(:texttt, yield_arg: true)
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latex_command(:textsf, yield_arg: true)
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latex_command(:emph, yield_arg: true)
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latex_command(:huge)
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latex_command(:Huge)
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latex_command(:large)
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latex_command(:Large)
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latex_command(:small)
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latex_command(:Small)
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latex_command(:tiny)
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latex_command(:footnotesize)
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latex_command(:verbatim, environment: true)
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latex_command(:pagestyle)
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latex_command(:documentclass, arg_optional:[true,false])
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latex_command(:usepackage)
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latex_command(:vspace)
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latex_command(:vspace!)
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latex_command(:fullpage)
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latex_command(:document, environment: true)
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latex_command(:hrule)
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latex_command(:nopagebreak)
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latex_command(:noindent)
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latex_command(:hfill)
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latex_command(:smallskip)
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latex_command(:medskip)
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latex_command(:bigskip)
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latex_command(:itemize , arg_optional:[true], environment: true)
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latex_command(:enumerate , arg_optional:[true], environment: true)
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latex_command(:item)
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latex_command(:tabular, environment: true)
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latex_command(:parbox, yield_arg: true)
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latex_command(:url)
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latex_command(:center, environment: true)
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end
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def puts_direct(data)
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@out.puts data
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end
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def print_direct(data)
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@out.print(data)
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end
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def safe_text(txt)
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Latex.replacements.fold(txt.to_s) { |t, s| t.gsub(*s) }
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end
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def puts(data)
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puts_direct(safe_text(data))
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end
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def print(data)
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print_direct(safe_text(data))
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end
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def latex_command(command, options = {})
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@commands[command.to_sym] = ({
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arg_optional: [],
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yield_arg: false,
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environment: false,
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literal: command.to_s.gsub(/!/, "*")
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}.merge(options))
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end
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def method_missing(m, *args, &block)
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raise "Method Missing: #{m}" unless @commands.has_key?(m)
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options = @commands[m]
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if options[:environment]
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print_direct "\\begin{#{options[:literal]}}"
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else
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print_direct "\\#{options[:literal]}"
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end
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args.zip(options[:arg_optional]).each { |a,at|
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case at
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when nil,false then print_direct "{#{safe_text a}}"
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when true then print_direct "[#{safe_text a}]"
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end
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}
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if options[:environment]
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puts_direct ""
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yield
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puts_direct "\\end{#{options[:literal]}}"
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else
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if options[:yield_arg]
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print_direct "{"
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yield
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print_direct "}"
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end
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puts_direct ""
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end
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end
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def build_itemize(array, *args)
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config = {}
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if args[-1].is_a? Hash
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config = args.pop()
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end
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if(array.length > 0)
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if config.fetch(:enumerate, false) then
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enumerate(*args) do
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array.each do |r|
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item
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yield r
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end
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end
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else
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itemize(*args) do
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array.each do |r|
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item
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yield r
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end
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end
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end
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end
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end
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def endl(size = nil)
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puts_direct "\\\\#{if size.nil? then "" else "[#{size}]" end}"
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end
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def wrap
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print_direct "{"
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yield
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print_direct "}"
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end
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def em_dash
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print_direct "---"
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end
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end
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end |