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62 lines
1.6 KiB
62 lines
1.6 KiB
(*
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* Copyright (c) 2009-2013 Monoidics ltd.
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* Copyright (c) 2013- Facebook.
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* All rights reserved.
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*)
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module F = Format
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open Utils
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(** Produce output in latex *)
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type style =
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| Boldface
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| Roman
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| Italics
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(** Convert a string to a latex-friendly format *)
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let convert_string s =
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if String.contains s '_' then begin
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let cnt = ref 0 in
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let s' = ref "" in
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let f c =
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if c == '_' then s' := !s' ^ "\\_"
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else s' := !s' ^ Char.escaped (String.get s !cnt);
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incr cnt in
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String.iter f s;
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!s'
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end
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else s
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(** Print a string in the given style, after converting it into latex-friendly format *)
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let pp_string style f s =
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let converted = convert_string s in
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match style with
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| Boldface -> F.fprintf f "\\textbf{%s}" converted
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| Roman -> F.fprintf f "\\textrm{%s}" converted
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| Italics -> F.fprintf f "\\textit{%s}" converted
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let color_to_string = function
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| Black -> "black"
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| Blue -> "blue"
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| Green -> "green"
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| Orange -> "orange"
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| Red -> "red"
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(** Print color command *)
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let pp_color f color =
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F.fprintf f "\\color{%s}" (color_to_string color)
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(** Prelude for a latex file with the given author and title *)
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let pp_begin f (author, title, table_of_contents) =
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let pp_toc f () = if table_of_contents then F.fprintf f "\\tableofcontents@\n" else () in
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F.fprintf f "\\documentclass{article}@\n\\usepackage{hyperref}@\n\\usepackage{color}@\n\\author{%s}@\n\\title{%s}@\n\\begin{document}@\n\\maketitle@\n%a" author title pp_toc ()
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(** Epilogue for a latex file *)
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let pp_end f () =
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F.fprintf f "\\end{document}@\n"
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(** Section with the given title *)
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let pp_section f title =
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F.fprintf f "\\section{%s}@\n" title
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