(* Title: Pure/Thy/latex.ML
ID: $Id$
Author: Markus Wenzel, TU Muenchen
License: GPL (GNU GENERAL PUBLIC LICENSE)
LaTeX presentation primitives (based on outer lexical syntax).
*)
signature LATEX =
sig
datatype token = Basic of OuterLex.token | Markup of string | MarkupEnv of string | Verbatim
val output_tokens: (token * string) list -> string
val isabelle_file: string -> string
val old_symbol_source: string -> Symbol.symbol list -> string
val theory_entry: string -> string
val modes: string list
val setup: (theory -> theory) list
end;
structure Latex: LATEX =
struct
(* symbol output *)
local
val output_chr = fn
" " => "\\ " |
"\n" => "\\isanewline\n" |
"!" => "{\\isacharbang}" |
"\"" => "{\\isachardoublequote}" |
"#" => "{\\isacharhash}" |
"$" => "{\\isachardollar}" |
"%" => "{\\isacharpercent}" |
"&" => "{\\isacharampersand}" |
"'" => "{\\isacharprime}" |
"(" => "{\\isacharparenleft}" |
")" => "{\\isacharparenright}" |
"*" => "{\\isacharasterisk}" |
"+" => "{\\isacharplus}" |
"," => "{\\isacharcomma}" |
"-" => "{\\isacharminus}" |
"." => "{\\isachardot}" |
"/" => "{\\isacharslash}" |
":" => "{\\isacharcolon}" |
";" => "{\\isacharsemicolon}" |
"<" => "{\\isacharless}" |
"=" => "{\\isacharequal}" |
">" => "{\\isachargreater}" |
"?" => "{\\isacharquery}" |
"@" => "{\\isacharat}" |
"[" => "{\\isacharbrackleft}" |
"\\" => "{\\isacharbackslash}" |
"]" => "{\\isacharbrackright}" |
"^" => "{\\isacharcircum}" |
"_" => "{\\isacharunderscore}" |
"`" => "{\\isacharbackquote}" |
"{" => "{\\isacharbraceleft}" |
"|" => "{\\isacharbar}" |
"}" => "{\\isacharbraceright}" |
"~" => "{\\isachartilde}" |
c => if Symbol.is_digit c then enclose "\\isadigit{" "}" c else c;
fun output_sym s =
if size s = 1 then output_chr s
else
(case explode s of
cs as "\\" :: "<" :: "^" :: _ => implode (map output_chr cs)
| "\\" :: "<" :: cs => "{\\isasym" ^ implode (#1 (Library.split_last cs)) ^ "}"
| _ => sys_error "output_sym");
in
val output_symbols = implode o map output_sym;
val output_syms = output_symbols o Symbol.explode;
end;
(* token output *)
structure T = OuterLex;
datatype token =
Basic of T.token |
Markup of string |
MarkupEnv of string |
Verbatim;
val invisible_token = T.keyword_with (equal ";") orf T.is_kind T.Comment;
fun strip_blanks s =
implode (#1 (Library.take_suffix Symbol.is_blank
(#2 (Library.take_prefix Symbol.is_blank (explode s)))));
fun output_tok (Basic tok, _) =
let val s = T.val_of tok in
if invisible_token tok then ""
else if T.is_kind T.Command tok then
"\\isacommand{" ^ output_syms s ^ "}"
else if T.is_kind T.Keyword tok andalso Syntax.is_identifier s then
"\\isakeyword{" ^ output_syms s ^ "}"
else if T.is_kind T.String tok then output_syms (quote s)
else if T.is_kind T.Verbatim tok then output_syms (enclose "{*" "*}" s)
else output_syms s
end
| output_tok (Markup cmd, txt) = "%\n\\isamarkup" ^ cmd ^ "{" ^ strip_blanks txt ^ "}\n"
| output_tok (MarkupEnv cmd, txt) = "%\n\\begin{isamarkup" ^ cmd ^ "}%\n" ^
strip_blanks txt ^ "%\n\\end{isamarkup" ^ cmd ^ "}%\n"
| output_tok (Verbatim, txt) = "%\n" ^ strip_blanks txt ^ "\n";
val output_tokens = implode o map output_tok;
(* theory presentation *)
val isabelle_file = enclose
"\\begin{isabelle}%\n"
"\\end{isabelle}%\n\
\%%% Local Variables:\n\
\%%% mode: latex\n\
\%%% TeX-master: \"root\"\n\
\%%% End:\n";
fun old_symbol_source name syms =
isabelle_file ("\\isamarkupheader{" ^ output_syms name ^ "}%\n" ^ output_symbols syms);
fun theory_entry name = "\\input{" ^ name ^ ".tex}\n\n";
(* print mode *)
val latexN = "latex";
val modes = [latexN, Symbol.xsymbolsN, Symbol.symbolsN];
fun latex_output str =
let val syms = Symbol.explode str
in (output_symbols syms, real (Symbol.length syms)) end;
val token_translation =
map (fn s => (latexN, s, apfst (enclose "\\mbox{" "}") o latex_output))
Syntax.standard_token_classes;
val _ = Symbol.add_mode latexN latex_output;
val setup = [Theory.add_tokentrfuns token_translation];
end;