Implement to_utf8_string().

* src/ltlvisit/tostring.cc, src/ltlvisit/tostring.hh: Here.
* src/ltltest/randltl.cc: Add option -8 to display utf-8 formulae.
* src/ltltest/utf8.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2012-04-29 00:40:27 +02:00
parent 6f29141174
commit 53f38c2ccd
4 changed files with 106 additions and 23 deletions

View file

@ -1,8 +1,9 @@
// Copyright (C) 2008, 2009, 2011 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
// -*- coding: utf-8 -*-
// Copyright (C) 2008, 2009, 2011, 2012 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
// Copyright (C) 2003, 2005 Laboratoire d'Informatique de
// Paris 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
// Université Pierre et Marie Curie.
// Paris 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
// Université Pierre et Marie Curie.
//
// This file is part of Spot, a model checking library.
//
@ -47,6 +48,7 @@ syntax(char* prog)
<< " -P generate PSL formulae" << std::endl
<< std::endl
<< "Options:" << std::endl
<< " -8 output in UTF-8" << std::endl
<< " -d dump priorities, do not generate any formula"
<< std::endl
<< " -f N the size of the formula [15]" << std::endl
@ -89,6 +91,7 @@ main(int argc, char** argv)
{
enum { OutputBool, OutputLTL, OutputSERE, OutputPSL } output = OutputLTL;
bool opt_d = false;
bool utf8 = false;
int opt_s = 0;
int opt_f = 15;
int opt_F = 1;
@ -110,7 +113,11 @@ main(int argc, char** argv)
while (++argn < argc)
{
if (!strcmp(argv[argn], "-B"))
if (!strcmp(argv[argn], "-8"))
{
utf8 = true;
}
else if (!strcmp(argv[argn], "-B"))
{
output = OutputBool;
}
@ -341,8 +348,9 @@ main(int argc, char** argv)
<< "of size " << opt_r << " or more." << std::endl;
exit(2);
}
std::string txt = spot::ltl::to_string(f, false,
output == OutputSERE);
std::string txt = utf8
? spot::ltl::to_utf8_string(f, false, output == OutputSERE)
: spot::ltl::to_string(f, false, output == OutputSERE);
f->destroy();
if (!opt_u || unique.insert(txt).second)
{

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@ -70,3 +70,7 @@ ignoring trailing garbage
EOF
cmp exp err
../randltl -P -8 -u -s 0 -f 16 a b c -F 100 > formulae
../reduc -f -h 0 formulae

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@ -1,3 +1,4 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2008, 2010, 2012 Laboratoire de Recherche et
// Développement de l'Epita (LRDE)
// Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
@ -128,6 +129,36 @@ namespace spot
":", // not supported
};
const char* utf8_kw[] = {
"0",
"1",
"[*0]",
"",
"",
"",
" U ",
" R ",
" W ",
" M ",
"◇→ ",
"◇⇒ ",
"◇→̃ ",
"◇⇒̃ ",
"□→ ",
"□⇒ ",
"¬",
"",
"",
"",
"",
" | ",
"",
"",
" & ",
";",
":",
};
static bool
is_bare_word(const char* str)
{
@ -491,7 +522,8 @@ namespace spot
top_level_ = true;
break;
case unop::NegClosure:
os_ << "!{";
emit(KNot);
os_ << "{";
in_ratexp_ = true;
top_level_ = true;
break;
@ -684,6 +716,23 @@ namespace spot
return os.str();
}
std::ostream&
to_utf8_string(const formula* f, std::ostream& os, bool full_parent,
bool ratexp)
{
to_string_visitor v(os, full_parent, ratexp, utf8_kw);
f->accept(v);
return os;
}
std::string
to_utf8_string(const formula* f, bool full_parent, bool ratexp)
{
std::ostringstream os;
to_utf8_string(f, os, full_parent, ratexp);
return os.str();
}
std::ostream&
to_spin_string(const formula* f, std::ostream& os, bool full_parent)
{

View file

@ -1,7 +1,8 @@
// Copyright (C) 2010, 2011 Laboratoire de Recherche et Développement de
// l'Epita (LRDE).
// -*- coding: utf-8 -*-
// Copyright (C) 2010, 2011, 2012 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
// Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// et Marie Curie.
//
// This file is part of Spot, a model checking library.
@ -54,6 +55,27 @@ namespace spot
std::string
to_string(const formula* f, bool full_parent = false, bool ratexp = false);
/// \brief Output a formula as an utf8 string which is parsable unless
/// the formula contains automaton operators (used in ELTL formulae).
/// \param f The formula to translate.
/// \param os The stream where it should be output.
/// \param full_parent Whether or not the string should by fully
/// parenthesized.
/// \param ratexp Whether we are printing a SERE.
std::ostream&
to_utf8_string(const formula* f, std::ostream& os, bool full_parent = false,
bool ratexp = false);
/// \brief Output a formula as an utf8 string which is parsable
/// unless the formula contains automaton operators (used in ELTL formulae).
/// \param f The formula to translate.
/// \param full_parent Whether or not the string should by fully
/// parenthesized.
/// \param ratexp Whether we are printing a SERE.
std::string
to_utf8_string(const formula* f, bool full_parent = false,
bool ratexp = false);
/// \brief Output a formula as a (parsable by Spin) string.
/// \param f The formula to translate.
/// \param os The stream where it should be output.