*
*/
-#define _POSIX_SOURCE
+#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#define COLOR_SEP_CHAR '/'
-#define VERSION "0.50"
+#define VERSION "0.52"
typedef unsigned short bool;
{ bg_colors, sizeof (bg_colors) / sizeof (struct color), "background" },
};
-enum stream_mode { SCAN_FIRST = 1, SCAN_ALWAYS };
-
-struct ending {
- unsigned int flags;
- const char newline[3];
-};
-
-static const struct ending endings[] = {
- { CR & LF, "\r\n" },
- { CR, "\r" },
- { LF, "\n" },
-};
-
static FILE *stream = NULL;
static unsigned int stacked_vars = 0;
static void print_version (void);
static void cleanup (void);
static void free_color_names (struct color_name **);
-static void process_options (unsigned int, char **, bool *, const struct color **, const char **, FILE **);
-static void process_file_option (const char *, const char **, FILE **);
-static void read_print_stream (bool, const struct color **, const char *, FILE *, enum stream_mode);
+static void process_args (unsigned int, char **, bool *, const struct color **, const char **, FILE **);
+static void process_file_arg (const char *, const char **, FILE **);
+static void read_print_stream (bool, const struct color **, const char *, FILE *);
static void find_color_entries (struct color_name **, const struct color **);
-static void find_color_entry (const char *const, unsigned int, const struct color **);
-static void print_line (const struct color **, bool, const char * const, unsigned int);
+static void find_color_entry (const struct color_name *, unsigned int, const struct color **);
+static void print_line (bool, const struct color **, const char * const, unsigned int);
static void print_clean (const char *);
static void print_free_offsets (const char *, char ***, unsigned int);
static void *malloc_wrap (size_t);
static void free_wrap (void **);
static char *strdup_wrap (const char *);
static char *str_concat (const char *, const char *);
+static bool has_color_name (const char *, const char *);
+static void vfprintf_diag (const char *, ...);
static void vfprintf_fail (const char *, ...);
static void stack_var (void ***, unsigned int *, unsigned int, void *);
static void release_var (void **, unsigned int, void **);
{ "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM },
{ "help", no_argument, &opt_type, OPT_HELP },
{ "version", no_argument, &opt_type, OPT_VERSION },
- { 0, 0, 0, 0 },
+ { NULL, 0, NULL, 0 },
};
bool bold = false;
NULL, /* background */
};
- const char *file;
-
- enum stream_mode mode = SCAN_FIRST;
+ const char *file = NULL;
program_name = argv[0];
atexit (cleanup);
if (clean || clean_all)
{
+ if (clean && clean_all)
+ vfprintf_fail (formats[FMT_GENERIC], "--clean and --clean-all switch are mutually exclusive");
if (arg_cnt > 1)
{
const char *format = "%s %s";
{
if (arg_cnt == 0 || arg_cnt > 2)
{
+ vfprintf_diag ("%u arguments provided, expected 1-2 arguments or option", arg_cnt);
print_help ();
exit (EXIT_FAILURE);
}
}
if (clean || clean_all)
- process_file_option (argv[optind], &file, &stream);
+ process_file_arg (argv[optind], &file, &stream);
else
- process_options (arg_cnt, &argv[optind], &bold, colors, &file, &stream);
- read_print_stream (bold, colors, file, stream, mode);
+ process_args (arg_cnt, &argv[optind], &bold, colors, &file, &stream);
+ read_print_stream (bold, colors, file, stream);
RELEASE_VAR (exclude);
}
static void
-process_options (unsigned int arg_cnt, char **option_strings, bool *bold, const struct color **colors, const char **file, FILE **stream)
+process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct color **colors, const char **file, FILE **stream)
{
int ret;
unsigned int index;
char *color, *p, *str;
struct stat sb;
- const char *color_string = arg_cnt >= 1 ? option_strings[0] : NULL;
- const char *file_string = arg_cnt == 2 ? option_strings[1] : NULL;
+ const char *color_string = arg_cnt >= 1 ? arg_strings[0] : NULL;
+ const char *file_string = arg_cnt == 2 ? arg_strings[1] : NULL;
assert (color_string);
for (i = 0; i < tables[FOREGROUND].count; i++)
{
const struct color *entry = &tables[FOREGROUND].entries[i];
- char *p;
- if ((p = strstr (color, entry->name)) && p == color)
+ if (has_color_name (color, entry->name))
{
- color = p + strlen (entry->name);
+ color += strlen (entry->name);
matched = true;
break;
}
}
+ if (!matched && has_color_name (color, "random"))
+ {
+ color += strlen ("random");
+ matched = true;
+ }
if (matched && *color == COLOR_SEP_CHAR && *(color + 1))
color++;
else
for (index = 0, color = str; *color; index++, color = p)
{
char *ch, *sep;
+
+ p = NULL;
if ((sep = strchr (color, COLOR_SEP_CHAR)))
{
*sep = '\0';
}
else
p = color + strlen (color);
+ assert (p);
for (ch = color; *ch; ch++)
if (!isalpha (*ch))
free_color_names (color_names);
if (!colors[FOREGROUND]->code && colors[BACKGROUND] && colors[BACKGROUND]->code)
- find_color_entry ("default", FOREGROUND, colors);
+ {
+ struct color_name color_name;
+ color_name.name = color_name.orig = "default";
- process_file_option (file_string, file, stream);
+ find_color_entry (&color_name, FOREGROUND, colors);
+ }
+
+ process_file_arg (file_string, file, stream);
}
static void
-process_file_option (const char *file_string, const char **file, FILE **stream)
+process_file_arg (const char *file_string, const char **file, FILE **stream)
{
if (file_string)
{
}
assert (*stream);
+ assert (*file);
}
#define MERGE_PRINT_LINE(part_line, line, flags, check_eof) do { \
} \
current_line = merged_line ? merged_line : (char *)line; \
if (!check_eof || *current_line != '\0') \
- print_line (colors, bold, current_line, flags); \
+ print_line (bold, colors, current_line, flags); \
free (merged_line); \
} while (false);
static void
-read_print_stream (bool bold, const struct color **colors, const char *file, FILE *stream, enum stream_mode mode)
+read_print_stream (bool bold, const struct color **colors, const char *file, FILE *stream)
{
char buf[BUF_SIZE], *part_line = NULL;
unsigned int flags = 0;
- bool first = false, always = false;
-
- switch (mode)
- {
- case SCAN_FIRST:
- first = true;
- break;
- case SCAN_ALWAYS:
- always = true;
- break;
- default: /* never reached */
- ABORT_TRACE ();
- }
while (!feof (stream))
{
if (bytes_read != (BUF_SIZE - 1) && ferror (stream))
vfprintf_fail (formats[FMT_ERROR], BUF_SIZE - 1, "read");
line = buf;
- LOOP: while ((eol = strpbrk (line, "\n\r")))
+ while ((eol = strpbrk (line, "\n\r")))
{
char *p;
- if (first || always)
+ flags &= ~(CR|LF);
+ if (*eol == '\r')
{
- first = false;
- flags &= ~(CR|LF);
- if (*eol == '\r')
- {
- flags |= CR;
- if (*(eol + 1) == '\n')
- flags |= LF;
- }
- else if (*eol == '\n')
+ flags |= CR;
+ if (*(eol + 1) == '\n')
flags |= LF;
- else
- vfprintf_fail (formats[FMT_FILE], file, "unrecognized line ending");
- }
- if (always)
- p = eol + SKIP_LINE_ENDINGS (flags);
- else /* first */
- {
- unsigned int i;
- unsigned int count = sizeof (endings) / sizeof (struct ending);
- for (i = 0; i < count; i++)
- {
- if (flags & endings[i].flags)
- {
- char *p;
- if ((p = strstr (eol, endings[i].newline)) && p == eol)
- break;
- else
- {
- always = true;
- goto LOOP;
- }
- }
- }
- p = eol + SKIP_LINE_ENDINGS (flags);
}
+ else if (*eol == '\n')
+ flags |= LF;
+ else
+ vfprintf_fail (formats[FMT_FILE], file, "unrecognized line ending");
+ p = eol + SKIP_LINE_ENDINGS (flags);
*eol = '\0';
MERGE_PRINT_LINE (part_line, line, flags, false);
line = p;
if (feof (stream)) {
MERGE_PRINT_LINE (part_line, line, 0, true);
}
- else
+ else if (*line != '\0')
{
if (!clean && !clean_all) /* efficiency */
- print_line (colors, bold, line, 0);
+ print_line (bold, colors, line, 0);
else if (!part_line)
part_line = xstrdup (line);
else
colors[index] = (struct color *)&color_entries[i];
}
else
- find_color_entry (color_name, index, colors);
+ find_color_entry (color_names[index], index, colors);
}
}
static void
-find_color_entry (const char *const color_name, unsigned int index, const struct color **colors)
+find_color_entry (const struct color_name *color_name, unsigned int index, const struct color **colors)
{
bool found = false;
unsigned int i;
const struct color *const color_entries = tables[index].entries;
for (i = 0; i < count; i++)
- if (streq (color_name, color_entries[i].name))
+ if (streq (color_name->name, color_entries[i].name))
{
colors[index] = (struct color *)&color_entries[i];
found = true;
break;
}
if (!found)
- vfprintf_fail (formats[FMT_COLOR], tables[index].desc, color_name, "not recognized");
+ vfprintf_fail (formats[FMT_COLOR], tables[index].desc, color_name->orig, "not recognized");
}
static void
-print_line (const struct color **colors, bool bold, const char *const line, unsigned int flags)
+print_line (bool bold, const struct color **colors, const char *const line, unsigned int flags)
{
/* --clean[-all] */
if (clean || clean_all)
}
else if (clean)
{
- bool check_values, first = true;
- if (!isdigit (*p))
- goto END;
+ bool check_values;
+ unsigned int iter = 0;
+ const char *digit;
do {
- const char *digit;
check_values = false;
- if (!first && !isdigit (*p))
+ iter++;
+ if (!isdigit (*p))
goto DISCARD;
digit = p;
while (isdigit (*p))
val[i] = *digit++;
val[i] = '\0';
value = atoi (val);
- if (!((value == 0 || value == 1) /* attributes */
- || (value >= 30 && value <= 37) /* foreground colors */
- || (value >= 40 && value <= 47) /* background colors */
- || (value == 39 || value == 49))) /* default colors */
+ if (value == 0) /* reset */
+ {
+ if (iter > 1)
+ goto DISCARD;
+ goto END;
+ }
+ else if (value == 1) /* bold */
+ {
+ bool discard = false;
+ if (iter > 1)
+ discard = true;
+ else if (*p != ';')
+ discard = true;
+ if (discard)
+ goto DISCARD;
+ p++;
+ check_values = true;
+ }
+ else if ((value >= 30 && value <= 37) || value == 39) /* foreground colors */
+ goto END;
+ else if ((value >= 40 && value <= 47) || value == 49) /* background colors */
+ {
+ if (iter > 1)
+ goto DISCARD;
+ goto END;
+ }
+ else
goto DISCARD;
}
- if (*p == ';')
- {
- p++;
- check_values = true;
- }
- first = false;
- } while (check_values);
+ } while (iter == 1 && check_values);
}
END: if (*p == 'm')
{
return str;
}
+static bool
+has_color_name (const char *str, const char *name)
+{
+ char *p;
+
+ assert (strlen (str));
+ assert (strlen (name));
+
+ if (!(*str == *name || *str == toupper (*name)))
+ return false;
+ else if (*(name + 1) != '\0'
+ && !((p = strstr (str + 1, name + 1)) && p == str + 1))
+ return false;
+
+ return true;
+}
+
+#define DO_VFPRINTF(fmt) \
+ va_list ap; \
+ fprintf (stderr, "%s: ", program_name); \
+ va_start (ap, fmt); \
+ vfprintf (stderr, fmt, ap); \
+ va_end (ap); \
+ fprintf (stderr, "\n"); \
+
+static void
+vfprintf_diag (const char *fmt, ...)
+{
+ DO_VFPRINTF (fmt);
+}
+
static void
vfprintf_fail (const char *fmt, ...)
{
- va_list ap;
- fprintf (stderr, "%s: ", program_name);
- va_start (ap, fmt);
- vfprintf (stderr, fmt, ap);
- va_end (ap);
- fprintf (stderr, "\n");
+ DO_VFPRINTF (fmt);
exit (EXIT_FAILURE);
}
projects / colorize.git / blobdiff