#include "trace_parser.hpp"
-static bool color = true;
+enum ColorOption {
+ COLOR_OPTION_NEVER = 0,
+ COLOR_OPTION_ALWAYS = 1,
+ COLOR_OPTION_AUTO = -1
+};
+
+static ColorOption color = COLOR_OPTION_AUTO;
static void usage(void) {
std::cout <<
- "Usage: tracedump [OPTION] [TRACE...]\n"
+ "Usage: tracedump [OPTION] [TRACE]...\n"
"Dump TRACE to standard output.\n"
"\n"
- " --no-color no colored syntax highlightint\n"
- " --no-colour alias for --no-color\n"
+ " --help display this help and exit\n"
+ " --color[=WHEN]\n"
+ " --colour[=WHEN] colored syntax highlighting;\n"
+ " WHEN is 'always', 'never', or 'auto'\n"
;
}
if (!strcmp(arg, "--")) {
break;
- } else if (!strcmp(arg, "--no-color") ||
+ } else if (!strcmp(arg, "--help")) {
+ usage();
+ return 0;
+ } else if (!strcmp(arg, "--color=auto") ||
+ !strcmp(arg, "--colour=auto")) {
+ color = COLOR_OPTION_AUTO;
+ } else if (!strcmp(arg, "--color") ||
+ !strcmp(arg, "--colour") ||
+ !strcmp(arg, "--color=always") ||
+ !strcmp(arg, "--colour=always")) {
+ color = COLOR_OPTION_ALWAYS;
+ } else if (!strcmp(arg, "--color=never") ||
+ !strcmp(arg, "--colour=never") ||
+ !strcmp(arg, "--no-color") ||
!strcmp(arg, "--no-colour")) {
- color = false;
+ color = COLOR_OPTION_NEVER;
} else {
std::cerr << "error: unknown option " << arg << "\n";
usage();
}
}
+ if (color == COLOR_OPTION_AUTO) {
+#ifdef _WIN32
+ color = COLOR_OPTION_ALWAYS;
+#else
+ color = isatty(1) ? COLOR_OPTION_ALWAYS : COLOR_OPTION_NEVER;
+#endif
+ }
+
for (; i < argc; ++i) {
- Trace::Parser p;
+ trace::Parser p;
if (!p.open(argv[i])) {
std::cerr << "error: failed to open " << argv[i] << "\n";
return 1;
}
- Trace::Call *call;
+ trace::Call *call;
while ((call = p.parse_call())) {
call->dump(std::cout, color);
delete call;