X-Git-Url: http://git.refcnt.org/?p=colorize.git;a=blobdiff_plain;f=colorize.c;h=84677fb2afb56727aeb00cece2c7095364364a0a;hp=2dff23ea7bb6dd8423bd772bf3a3e8d1494500c8;hb=9e27da967973e089efe2f71f6279ebc4fe284c1a;hpb=2d50fa4a1e8a43a9d7a67bf347a899e48f1bf763 diff --git a/colorize.c b/colorize.c index 2dff23e..84677fb 100644 --- a/colorize.c +++ b/colorize.c @@ -2,7 +2,7 @@ * colorize - Read text from standard input stream or file and print * it colorized through use of ANSI escape sequences * - * Copyright (c) 2011-2015 Steven Schubiger + * Copyright (c) 2011-2017 Steven Schubiger * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,6 +19,7 @@ * */ +#define _DEFAULT_SOURCE #define _BSD_SOURCE #define _XOPEN_SOURCE 700 #define _FILE_OFFSET_BITS 64 @@ -44,6 +45,7 @@ #define to_str(arg) str(arg) #define streq(s1, s2) (strcmp (s1, s2) == 0) +#define strneq(s1, s2, n) (strncmp (s1, s2, n) == 0) #if !DEBUG # define xmalloc(size) malloc_wrap(size) @@ -106,11 +108,19 @@ #define ALLOC_COMPLETE_PART_LINE 8 -#define COLOR_SEP_CHAR '/' +#if defined(COLOR_SEP_CHAR_COLON) +# define COLOR_SEP_CHAR ':' +#elif defined(COLOR_SEP_CHAR_SLASH) +# define COLOR_SEP_CHAR '/' +#else +# define COLOR_SEP_CHAR '/' +#endif #define DEBUG_FILE "debug.txt" -#define VERSION "0.57" +#define MAX_ATTRIBUTE_CHARS (5 * 2) + +#define VERSION "0.61" typedef enum { false, true } bool; @@ -119,8 +129,6 @@ struct color_name { char *orig; }; -static struct color_name *color_names[3] = { NULL, NULL, NULL }; - struct color { const char *name; const char *code; @@ -177,7 +185,7 @@ static const char *formats[] = { "%s: %s: %s", /* type */ }; -enum { FOREGROUND, BACKGROUND }; +enum { GENERIC, FOREGROUND = 0, BACKGROUND }; static const struct { struct color const *entries; @@ -188,6 +196,25 @@ static const struct { { bg_colors, sizeof (bg_colors) / sizeof (struct color), "background" }, }; +enum { + OPT_ATTR = 1, + OPT_CLEAN, + OPT_CLEAN_ALL, + OPT_EXCLUDE_RANDOM, + OPT_HELP, + OPT_VERSION +}; +static int opt_type; +static const struct option long_opts[] = { + { "attr", required_argument, &opt_type, OPT_ATTR }, + { "clean", no_argument, &opt_type, OPT_CLEAN }, + { "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL }, + { "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM }, + { "help", no_argument, &opt_type, OPT_HELP }, + { "version", no_argument, &opt_type, OPT_VERSION }, + { NULL, 0, NULL, 0 }, +}; + static FILE *stream; #if DEBUG static FILE *log; @@ -199,27 +226,31 @@ static void **vars_list; static bool clean; static bool clean_all; +static char attr[MAX_ATTRIBUTE_CHARS + 1]; static char *exclude; static const char *program_name; static void process_opts (int, char **); +static void process_opt_attr (const char *); +static void write_attr (unsigned int); static void print_hint (void); static void print_help (void); static void print_version (void); static void cleanup (void); static void free_color_names (struct color_name **); -static void process_args (unsigned int, char **, bool *, const struct color **, const char **, FILE **); +static void process_args (unsigned int, char **, char *, const struct color **, const char **, FILE **); static void process_file_arg (const char *, const char **, FILE **); -static void gather_color_names (const char *, bool *, struct color_name **); -static void read_print_stream (bool, const struct color **, const char *, FILE *); -static void merge_print_line (bool, const struct color **, const char *, const char *, FILE *); +static void skip_path_colors (const char *, const char *, const struct stat *); +static void gather_color_names (const char *, char *, struct color_name **); +static void read_print_stream (const char *, const struct color **, const char *, FILE *); +static void merge_print_line (const char *, const char *, FILE *); static void complete_part_line (const char *, char **, FILE *); static bool get_next_char (char *, const char **, FILE *, bool *); -static void save_char (char, char **, unsigned long *, size_t *); +static void save_char (char, char **, size_t *, size_t *); static void find_color_entries (struct color_name **, const struct color **); 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_line (const char *, const struct color **, const char * const, unsigned int); static void print_clean (const char *); static bool is_esc (const char *); static const char *get_end_of_esc (const char *); @@ -227,9 +258,9 @@ static const char *get_end_of_text (const char *); static void print_text (const char *, size_t); static bool gather_esc_offsets (const char *, const char **, const char **); static bool validate_esc_clean_all (const char **); -static bool validate_esc_clean (int, unsigned int, const char **, bool *); +static bool validate_esc_clean (int, unsigned int, unsigned int *, const char **, bool *); static bool is_reset (int, unsigned int, const char **); -static bool is_bold (int, unsigned int, const char **); +static bool is_attr (int, unsigned int, unsigned int, const char **); static bool is_fg_color (int, const char **); static bool is_bg_color (int, unsigned int, const char **); #if !DEBUG @@ -260,8 +291,6 @@ main (int argc, char **argv) { unsigned int arg_cnt; - bool bold = false; - const struct color *colors[2] = { NULL, /* foreground */ NULL, /* background */ @@ -278,6 +307,8 @@ main (int argc, char **argv) log = open_file (DEBUG_FILE, "w"); #endif + attr[0] = '\0'; + process_opts (argc, argv); arg_cnt = argc - optind; @@ -309,51 +340,38 @@ main (int argc, char **argv) if (clean || clean_all) process_file_arg (argv[optind], &file, &stream); else - process_args (arg_cnt, &argv[optind], &bold, colors, &file, &stream); - read_print_stream (bold, colors, file, stream); + process_args (arg_cnt, &argv[optind], &attr[0], colors, &file, &stream); + read_print_stream (&attr[0], colors, file, stream); RELEASE_VAR (exclude); exit (EXIT_SUCCESS); } -#define SET_OPT_TYPE(type) \ - opt_type = type; \ - opt = 0; \ - goto PARSE_OPT; \ +#define PRINT_HELP_EXIT() \ + print_help (); \ + exit (EXIT_SUCCESS); \ + +#define PRINT_VERSION_EXIT() \ + print_version (); \ + exit (EXIT_SUCCESS); \ extern char *optarg; -static int opt_type; static void process_opts (int argc, char **argv) { - enum { - OPT_CLEAN = 1, - OPT_CLEAN_ALL, - OPT_EXCLUDE_RANDOM, - OPT_HELP, - OPT_VERSION - }; - int opt; - struct option long_opts[] = { - { "clean", no_argument, &opt_type, OPT_CLEAN }, - { "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL }, - { "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM }, - { "help", no_argument, &opt_type, OPT_HELP }, - { "version", no_argument, &opt_type, OPT_VERSION }, - { NULL, 0, NULL, 0 }, - }; - while ((opt = getopt_long (argc, argv, "hV", long_opts, NULL)) != -1) { - PARSE_OPT: switch (opt) { case 0: /* long opts */ switch (opt_type) { + case OPT_ATTR: + process_opt_attr (optarg); + break; case OPT_CLEAN: clean = true; break; @@ -365,9 +383,9 @@ process_opts (int argc, char **argv) unsigned int i; exclude = xstrdup (optarg); STACK_VAR (exclude); - for (i = 1; i < tables[FOREGROUND].count - 1; i++) /* skip color none and default */ + for (i = 1; i < tables[GENERIC].count - 1; i++) /* skip color none and default */ { - const struct color *entry = &tables[FOREGROUND].entries[i]; + const struct color *entry = &tables[GENERIC].entries[i]; if (streq (exclude, entry->name)) { valid = true; @@ -379,19 +397,17 @@ process_opts (int argc, char **argv) break; } case OPT_HELP: - print_help (); - exit (EXIT_SUCCESS); + PRINT_HELP_EXIT (); case OPT_VERSION: - print_version (); - exit (EXIT_SUCCESS); + PRINT_VERSION_EXIT (); default: /* never reached */ ABORT_TRACE (); } break; case 'h': - SET_OPT_TYPE (OPT_HELP); + PRINT_HELP_EXIT (); case 'V': - SET_OPT_TYPE (OPT_VERSION); + PRINT_VERSION_EXIT (); case '?': print_hint (); exit (EXIT_FAILURE); @@ -401,6 +417,46 @@ process_opts (int argc, char **argv) } } +static void +process_opt_attr (const char *p) +{ + while (*p) + { + const char *s; + if (!isalnum (*p)) + vfprintf_fail (formats[FMT_GENERIC], "--attr switch must be provided a string"); + s = p; + while (isalnum (*p)) + p++; + if (*p != '\0' && *p != ',') + vfprintf_fail (formats[FMT_GENERIC], "--attr switch must have strings separated by ,"); + else + { + /* If attributes are added to this "list", also increase MAX_ATTRIBUTE_CHARS! */ + if (p - s == 4 && strneq (s, "bold", 4)) + write_attr (1); + else if (p - s == 10 && strneq (s, "underscore", 10)) + write_attr (4); + else if (p - s == 5 && strneq (s, "blink", 5)) + write_attr (5); + else if (p - s == 7 && strneq (s, "reverse", 7)) + write_attr (7); + else if (p - s == 9 && strneq (s, "concealed", 9)) + write_attr (8); + else + vfprintf_fail (formats[FMT_GENERIC], "--attr switch must be provided valid attribute names"); + } + if (*p) + p++; + } +} + +static void +write_attr (unsigned int val) +{ + snprintf (attr + strlen (attr), 3, "%u;", val); +} + static void print_hint (void) { @@ -410,6 +466,15 @@ print_hint (void) static void print_help (void) { + struct short_opt { + const char *name; + const char *short_opt; + }; + const struct short_opt short_opts[] = { + { "help", "h" }, + { "version", "V" }, + }; + const struct option *opt = long_opts; unsigned int i; printf ("Usage: %s (foreground) OR (foreground)%c(background) OR --clean[-all] [-|file]\n\n", program_name, COLOR_SEP_CHAR); @@ -431,11 +496,24 @@ print_help (void) printf ("\twhereas for lower case colors will be of normal intensity.\n"); printf ("\n\tOptions\n"); - printf ("\t\t --clean\n"); - printf ("\t\t --clean-all\n"); - printf ("\t\t --exclude-random\n"); - printf ("\t\t-h, --help\n"); - printf ("\t\t-V, --version\n\n"); + for (; opt->name; opt++) + { + const char *short_opt = NULL; + unsigned int i; + for (i = 0; i < sizeof (short_opts) / sizeof (struct short_opt); i++) + { + if (streq (opt->name, short_opts[i].name)) + { + short_opt = short_opts[i].short_opt; + break; + } + } + if (short_opt) + printf ("\t\t-%s, --%s\n", short_opt, opt->name); + else + printf ("\t\t --%s\n", opt->name); + } + printf ("\n"); } static void @@ -447,7 +525,7 @@ print_version (void) const char *version = NULL; #endif const char *version_prefix, *version_string; - const char *c_flags; + const char *c_flags, *ld_flags, *cpp_flags; struct bytes_size bytes_size; bool debug; #ifdef CFLAGS @@ -455,6 +533,16 @@ print_version (void) #else c_flags = "unknown"; #endif +#ifdef LDFLAGS + ld_flags = to_str (LDFLAGS); +#else + ld_flags = "unknown"; +#endif +#ifdef CPPFLAGS + cpp_flags = to_str (CPPFLAGS); +#else + cpp_flags = "unknown"; +#endif #if DEBUG debug = true; #else @@ -465,6 +553,8 @@ print_version (void) printf ("colorize %s%s (compiled at %s, %s)\n", version_prefix, version_string, __DATE__, __TIME__); printf ("Compiler flags: %s\n", c_flags); + printf ("Linker flags: %s\n", ld_flags); + printf ("Preprocessor flags: %s\n", cpp_flags); if (get_bytes_size (BUF_SIZE, &bytes_size)) { if (BUF_SIZE % 1024 == 0) @@ -475,14 +565,13 @@ print_version (void) } else printf ("Buffer size: %lu byte%s\n", (unsigned long)BUF_SIZE, BUF_SIZE > 1 ? "s" : ""); + printf ("Color separator: '%c'\n", COLOR_SEP_CHAR); printf ("Debugging: %s\n", debug ? "yes" : "no"); } static void cleanup (void) { - free_color_names (color_names); - if (stream && fileno (stream) != STDIN_FILENO) fclose (stream); #if DEBUG @@ -505,18 +594,19 @@ free_color_names (struct color_name **color_names) unsigned int i; for (i = 0; color_names[i]; i++) { - free (color_names[i]->name); - free (color_names[i]->orig); - free_null (color_names[i]); + RELEASE_VAR (color_names[i]->name); + RELEASE_VAR (color_names[i]->orig); + RELEASE_VAR (color_names[i]); } } static void -process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct color **colors, const char **file, FILE **stream) +process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct color **colors, const char **file, FILE **stream) { int ret; char *p; struct stat sb; + struct color_name *color_names[3] = { NULL, NULL, NULL }; const char *color_string = arg_cnt >= 1 ? arg_strings[0] : NULL; const char *file_string = arg_cnt == 2 ? arg_strings[1] : NULL; @@ -528,7 +618,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct if (file_string) vfprintf_fail (formats[FMT_GENERIC], "hyphen cannot be used as color string"); else - vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceeded by color string"); + vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceded by color string"); } ret = lstat (color_string, &sb); @@ -536,53 +626,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct /* Ensure that we don't fail if there's a file with one or more color names in its path. */ if (ret == 0) /* success */ - { - bool have_file; - unsigned int c; - const char *color = color_string; - const mode_t mode = sb.st_mode; - - for (c = 1; c <= 2 && *color; c++) - { - bool matched = false; - unsigned int i; - for (i = 0; i < tables[FOREGROUND].count; i++) - { - const struct color *entry = &tables[FOREGROUND].entries[i]; - if (has_color_name (color, 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 - break; - } - - have_file = (*color != '\0'); - - if (have_file) - { - const char *file_exists = color_string; - if (file_string) - vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "cannot be used as color string"); - else - { - if (VALID_FILE_TYPE (mode)) - vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "must be preceeded by color string"); - else - vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "is not a valid file type"); - } - } - } + skip_path_colors (color_string, file_string, &sb); if ((p = strchr (color_string, COLOR_SEP_CHAR))) { @@ -594,7 +638,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct vfprintf_fail (formats[FMT_STRING], "one color pair allowed only for string", color_string); } - gather_color_names (color_string, bold, color_names); + gather_color_names (color_string, attr, color_names); assert (color_names[FOREGROUND]); @@ -662,7 +706,57 @@ process_file_arg (const char *file_string, const char **file, FILE **stream) } static void -gather_color_names (const char *color_string, bool *bold, struct color_name **color_names) +skip_path_colors (const char *color_string, const char *file_string, const struct stat *sb) +{ + bool have_file; + unsigned int c; + const char *color = color_string; + const mode_t mode = sb->st_mode; + + for (c = 1; c <= 2 && *color; c++) + { + bool matched = false; + unsigned int i; + for (i = 0; i < tables[GENERIC].count; i++) + { + const struct color *entry = &tables[GENERIC].entries[i]; + if (has_color_name (color, 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 + break; + } + + have_file = (*color != '\0'); + + if (have_file) + { + const char *file_exists = color_string; + if (file_string) + vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "cannot be used as color string"); + else + { + if (VALID_FILE_TYPE (mode)) + vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "must be preceded by color string"); + else + vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "is not a valid file type"); + } + } +} + +static void +gather_color_names (const char *color_string, char *attr, struct color_name **color_names) { unsigned int index; char *color, *p, *str; @@ -700,7 +794,7 @@ gather_color_names (const char *color_string, bool *bold, struct color_name **co switch (index) { case FOREGROUND: - *bold = true; + snprintf (attr + strlen (attr), 3, "1;"); break; case BACKGROUND: vfprintf_fail (formats[FMT_COLOR], tables[BACKGROUND].desc, color, "cannot be bold"); @@ -710,20 +804,23 @@ gather_color_names (const char *color_string, bool *bold, struct color_name **co } color_names[index] = xcalloc (1, sizeof (struct color_name)); + STACK_VAR (color_names[index]); color_names[index]->orig = xstrdup (color); + STACK_VAR (color_names[index]->orig); for (ch = color; *ch; ch++) *ch = tolower (*ch); color_names[index]->name = xstrdup (color); + STACK_VAR (color_names[index]->name); } RELEASE_VAR (str); } static void -read_print_stream (bool bold, const struct color **colors, const char *file, FILE *stream) +read_print_stream (const char *attr, const struct color **colors, const char *file, FILE *stream) { char buf[BUF_SIZE + 1]; unsigned int flags = 0; @@ -733,14 +830,14 @@ read_print_stream (bool bold, const struct color **colors, const char *file, FIL size_t bytes_read; char *eol; const char *line; - memset (buf, '\0', BUF_SIZE + 1); bytes_read = fread (buf, 1, BUF_SIZE, stream); if (bytes_read != BUF_SIZE && ferror (stream)) vfprintf_fail (formats[FMT_ERROR], BUF_SIZE, "read"); + buf[bytes_read] = '\0'; line = buf; while ((eol = strpbrk (line, "\n\r"))) { - char *p; + const char *p; flags &= ~(CR|LF); if (*eol == '\r') { @@ -754,47 +851,53 @@ read_print_stream (bool bold, const struct color **colors, const char *file, FIL vfprintf_fail (formats[FMT_FILE], file, "unrecognized line ending"); p = eol + SKIP_LINE_ENDINGS (flags); *eol = '\0'; - print_line (bold, colors, line, flags); + print_line (attr, colors, line, flags); line = p; } if (feof (stream)) { if (*line != '\0') - print_line (bold, colors, line, 0); + print_line (attr, colors, line, 0); } else if (*line != '\0') { char *p; if ((clean || clean_all) && (p = strrchr (line, '\033'))) - merge_print_line (bold, colors, line, p, stream); + merge_print_line (line, p, stream); else - print_line (bold, colors, line, 0); + print_line (attr, colors, line, 0); } } } static void -merge_print_line (bool bold, const struct color **colors, const char *line, const char *p, FILE *stream) +merge_print_line (const char *line, const char *p, FILE *stream) { char *buf = NULL; - char *merged_part_line = NULL; - const char *part_line; + char *merged_esc = NULL; + const char *esc = ""; + const char char_restore = *p; complete_part_line (p + 1, &buf, stream); if (buf) - part_line = merged_part_line = str_concat (line, buf); - else - part_line = line; - free (buf); + { + /* form escape sequence */ + esc = merged_esc = str_concat (p, buf); + /* shorten partial line accordingly */ + *(char *)p = '\0'; + free (buf); + } #ifdef TEST_MERGE_PART_LINE - printf ("%s", part_line); - free (merged_part_line); - exit (EXIT_SUCCESS); + printf ("%s%s", line, esc); + fflush (stdout); + _exit (EXIT_SUCCESS); #else - print_line (bold, colors, part_line, 0); - free (merged_part_line); + print_clean (line); + *(char *)p = char_restore; + print_clean (esc); + free (merged_esc); #endif } @@ -803,8 +906,7 @@ complete_part_line (const char *p, char **buf, FILE *stream) { bool got_next_char = false, read_from_stream; char ch; - unsigned long i = 0; - size_t size; + size_t i = 0, size; if (get_next_char (&ch, &p, stream, &read_from_stream)) { @@ -883,7 +985,7 @@ get_next_char (char *ch, const char **p, FILE *stream, bool *read_from_stream) } static void -save_char (char ch, char **buf, unsigned long *i, size_t *size) +save_char (char ch, char **buf, size_t *i, size_t *size) { if (!*buf) { @@ -970,7 +1072,7 @@ find_color_entry (const struct color_name *color_name, unsigned int index, const } static void -print_line (bool bold, const struct color **colors, const char *const line, unsigned int flags) +print_line (const char *attr, const struct color **colors, const char *const line, unsigned int flags) { /* --clean[-all] */ if (clean || clean_all) @@ -981,7 +1083,7 @@ print_line (bool bold, const struct color **colors, const char *const line, unsi if (colors[BACKGROUND] && colors[BACKGROUND]->code) printf ("\033[%s", colors[BACKGROUND]->code); if (colors[FOREGROUND]->code) - printf ("\033[%s%s%s\033[0m", bold ? "1;" : "", colors[FOREGROUND]->code, line); + printf ("\033[%s%s%s\033[0m", attr, colors[FOREGROUND]->code, line); else printf (formats[FMT_GENERIC], line); } @@ -1058,15 +1160,16 @@ gather_esc_offsets (const char *p, const char **start, const char **end) if (*p == 27 && *(p + 1) == '[') { bool valid = false; - const char *begin = p; + const char *const begin = p; p += 2; if (clean_all) valid = validate_esc_clean_all (&p); else if (clean) { bool check_values; - unsigned int iter = 0; + unsigned int prev_iter, iter; const char *digit; + prev_iter = iter = 0; do { check_values = false; iter++; @@ -1087,7 +1190,7 @@ gather_esc_offsets (const char *p, const char **start, const char **end) val[i] = *digit++; val[i] = '\0'; value = atoi (val); - valid = validate_esc_clean (value, iter, &p, &check_values); + valid = validate_esc_clean (value, iter, &prev_iter, &p, &check_values); } } while (check_values); } @@ -1112,14 +1215,15 @@ validate_esc_clean_all (const char **p) } static bool -validate_esc_clean (int value, unsigned int iter, const char **p, bool *check_values) +validate_esc_clean (int value, unsigned int iter, unsigned int *prev_iter, const char **p, bool *check_values) { if (is_reset (value, iter, p)) return true; - else if (is_bold (value, iter, p)) + else if (is_attr (value, iter, *prev_iter, p)) { (*p)++; *check_values = true; + *prev_iter = iter; return false; /* partial escape sequence, need another valid value */ } else if (is_fg_color (value, p)) @@ -1137,9 +1241,9 @@ is_reset (int value, unsigned int iter, const char **p) } static bool -is_bold (int value, unsigned int iter, const char **p) +is_attr (int value, unsigned int iter, unsigned int prev_iter, const char **p) { - return (value == 1 && iter == 1 && **p == ';'); + return ((value > 0 && value < 10) && (iter - prev_iter == 1) && **p == ';'); } static bool