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ltlcross: extract the color handling code

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* bin/common_color.cc, bin/common_color.hh: New files, with
code extracted from ltlcross.cc.
* bin/Makefile.am: Add them.
* bin/ltlcross.cc: Simplify.
This commit is contained in:
Alexandre Duret-Lutz 2017-07-26 12:10:36 +02:00
parent ff4f4ee482
commit 7bfe06b30b
4 changed files with 143 additions and 71 deletions
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83
bin/ltlcross.cc
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@ -40,6 +40,7 @@
#include "common_finput.hh"
#include "common_hoaread.hh"
#include "common_aoutput.hh"
#include "common_color.hh"
#include <spot/parseaut/public.hh>
#include <spot/tl/print.hh>
#include <spot/tl/apcollect.hh>
@ -83,7 +84,6 @@ enum {
OPT_AMBIGUOUS = 256,
OPT_AUTOMATA,
OPT_BOGUS,
OPT_COLOR,
OPT_CSV,
OPT_DENSITY,
OPT_DUPS,
@ -154,10 +154,6 @@ static const argp_option options[] =
{ "unambiguous", 0, nullptr, OPTION_ALIAS, nullptr, 0 },
/**************************************************/
{ nullptr, 0, nullptr, 0, "Miscellaneous options:", -2 },
{ "color", OPT_COLOR, "WHEN", OPTION_ARG_OPTIONAL,
"colorize output; WHEN can be 'never', 'always' (the default if "
"--color is used without argument), or "
"'auto' (the default if --color is not used)", 0 },
{ "grind", OPT_GRIND, "[>>]FILENAME", 0,
"for each formula for which a problem was detected, write a simpler " \
"formula that fails on the same test in FILENAME", 0 },
@ -177,31 +173,10 @@ const struct argp_child children[] =
{ &trans_argp, 0, nullptr, 0 },
{ &hoaread_argp, 0, "Parsing of automata:", 4 },
{ &misc_argp, 0, nullptr, -2 },
{ &color_argp, 0, nullptr, 0 },
{ nullptr, 0, nullptr, 0 }
};
enum color_type { color_never, color_always, color_if_tty };
static char const *const color_args[] =
{
"always", "yes", "force",
"never", "no", "none",
"auto", "tty", "if-tty", nullptr
};
static color_type const color_types[] =
{
color_always, color_always, color_always,
color_never, color_never, color_never,
color_if_tty, color_if_tty, color_if_tty
};
ARGMATCH_VERIFY(color_args, color_types);
static color_type color_opt = color_if_tty;
static const char* bright_red = "\033[1;31m";
static const char* bold = "\033[1m";
static const char* bold_std = "\033[0;1m";
static const char* reset_color = "\033[m";
static unsigned states = 200;
static float density = 0.1;
static const char* json_output = nullptr;
@ -233,16 +208,14 @@ static std::ostream&
global_error()
{
global_error_flag = true;
if (color_opt)
std::cerr << bright_red;
std::cerr << bright_red;
return std::cerr;
}
static std::ostream&
example()
{
if (color_opt)
std::cerr << bold_std;
std::cerr << bold_std;
return std::cerr;
}
@ -250,8 +223,7 @@ example()
static void
end_error()
{
if (color_opt)
std::cerr << reset_color;
std::cerr << reset_color;
}
@ -462,14 +434,6 @@ parse_opt(int key, char* arg, struct argp_state*)
bogus_output_filename = arg;
break;
}
case OPT_COLOR:
{
if (arg)
color_opt = XARGMATCH("--color", arg, color_args, color_types);
else
color_opt = color_always;
break;
}
case OPT_CSV:
want_stats = true;
csv_output = arg ? arg : "-";
@ -912,14 +876,8 @@ namespace
unsigned mutation_max;
while (res)
{
std::cerr << "Trying to find a bogus mutation of ";
if (color_opt)
std::cerr << bold;
std::cerr << bogus;
if (color_opt)
std::cerr << reset_color;
std::cerr << "...\n";
std::cerr << "Trying to find a bogus mutation of " << bold
<< bogus << reset_color << "...\n";
mutations = mutate(f);
mutation_count = 1;
mutation_max = mutations.size();
@ -944,19 +902,9 @@ namespace
bogus_output->ostream() << bogus << std::endl;
}
}
std::cerr << "Smallest bogus mutation found for ";
if (color_opt)
std::cerr << bold;
std::cerr << input;
if (color_opt)
std::cerr << reset_color;
std::cerr << " is ";
if (color_opt)
std::cerr << bold;
std::cerr << bogus;
if (color_opt)
std::cerr << reset_color;
std::cerr << ".\n\n";
std::cerr << "Smallest bogus mutation found for "
<< bold << input << reset_color << " is "
<< bold << bogus << reset_color << ".\n\n";
grind_output->ostream() << bogus << std::endl;
}
return 0;
@ -1017,11 +965,7 @@ namespace
std::cerr << linenum << ':';
if (filename || linenum)
std::cerr << ' ';
if (color_opt)
std::cerr << bold;
std::cerr << fstr << '\n';
if (color_opt)
std::cerr << reset_color;
std::cerr << bold << fstr << reset_color << '\n';
// Make sure we do not translate the same formula twice.
if (!allow_dups)
@ -1037,7 +981,6 @@ namespace
}
}
int problems = 0;
// These store the result of the translation of the positive and
@ -1556,9 +1499,7 @@ main(int argc, char** argv)
error(2, 0, "No translator to run? Run '%s --help' for usage.",
program_name);
if (color_opt == color_if_tty)
color_opt = isatty(STDERR_FILENO) ? color_always : color_never;
setup_color();
setup_sig_handler();
processor p;