* colorize - Read text from standard input stream or file and print
* it colorized through use of ANSI escape sequences
*
- * Copyright (c) 2011-2016 Steven Schubiger
+ * Copyright (c) 2011-2019 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
*
*/
+#define _DEFAULT_SOURCE
#define _BSD_SOURCE
#define _XOPEN_SOURCE 700
#define _FILE_OFFSET_BITS 64
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
+#include <pwd.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
+#include <wordexp.h>
#ifndef DEBUG
# define DEBUG 0
#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)
#define LF 0x01
#define CR 0x02
-#define SKIP_LINE_ENDINGS(flags) (((flags) & CR) && ((flags) & LF) ? 2 : 1)
+#define COUNT_OF(obj, type) (sizeof (obj) / sizeof (type))
+
+#define SKIP_LINE_ENDINGS(flags) ((flags) == (CR|LF) ? 2 : 1)
#define VALID_FILE_TYPE(mode) (S_ISREG (mode) || S_ISLNK (mode) || S_ISFIFO (mode))
#define ABORT_TRACE() \
fprintf (stderr, "Aborting in source file %s, line %u\n", __FILE__, __LINE__); \
- abort (); \
+ abort ();
#define CHECK_COLORS_RANDOM(color1, color2) \
streq (color_names[color1]->name, "random") \
&& (streq (color_names[color2]->name, "none") \
- || streq (color_names[color2]->name, "default")) \
+ || streq (color_names[color2]->name, "default"))
#define ALLOC_COMPLETE_PART_LINE 8
# define COLOR_SEP_CHAR '/'
#endif
-#define DEBUG_FILE "debug.txt"
+#define CONF_FILE ".colorize.conf"
+
+#if DEBUG
+# define DEBUG_FILE "debug.txt"
+#endif
+
+#define MAX_ATTRIBUTE_CHARS (6 * 2)
+
+#define PROGRAM_NAME "colorize"
-#define VERSION "0.59"
+#define VERSION "0.65"
typedef enum { false, true } bool;
+struct conf {
+ char *attr;
+ char *color;
+ char *exclude_random;
+ char *omit_color_empty;
+};
+
+enum { DESC_OPTION, DESC_CONF };
+
struct color_name {
char *name;
char *orig;
};
-static struct color_name *color_names[3] = { NULL, NULL, NULL };
-
struct color {
const char *name;
const char *code;
char unit;
};
-enum fmts {
+enum {
FMT_GENERIC,
FMT_STRING,
FMT_QUOTE,
FMT_RANDOM,
FMT_ERROR,
FMT_FILE,
- FMT_TYPE
+ FMT_TYPE,
+ FMT_CONF
};
static const char *formats[] = {
"%s", /* generic */
"less than %lu bytes %s", /* error */
"%s: %s", /* file */
"%s: %s: %s", /* type */
+ "%s: option '%s' %s" /* conf */
};
enum { GENERIC, FOREGROUND = 0, BACKGROUND };
static const struct {
- struct color const *entries;
+ const struct color *entries;
unsigned int count;
const char *desc;
} tables[] = {
- { fg_colors, sizeof (fg_colors) / sizeof (struct color), "foreground" },
- { bg_colors, sizeof (bg_colors) / sizeof (struct color), "background" },
+ { fg_colors, COUNT_OF (fg_colors, struct color), "foreground" },
+ { bg_colors, COUNT_OF (bg_colors, struct color), "background" },
};
+static unsigned int opts_set;
+enum opt_set {
+ OPT_ATTR_SET = 0x01,
+ OPT_EXCLUDE_RANDOM_SET = 0x02,
+ OPT_OMIT_COLOR_EMPTY_SET = 0x04
+};
+static struct {
+ char *attr;
+ char *exclude_random;
+} opts_arg = { NULL, NULL };
+
enum {
- OPT_CLEAN = 1,
+ OPT_ATTR = 1,
+ OPT_CLEAN,
OPT_CLEAN_ALL,
+ OPT_CONFIG,
OPT_EXCLUDE_RANDOM,
+ OPT_OMIT_COLOR_EMPTY,
OPT_HELP,
OPT_VERSION
};
static int opt_type;
static const 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 },
+ { "attr", required_argument, &opt_type, OPT_ATTR },
+ { "clean", no_argument, &opt_type, OPT_CLEAN },
+ { "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL },
+ { "config", required_argument, &opt_type, OPT_CONFIG },
+ { "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM },
+ { "omit-color-empty", no_argument, &opt_type, OPT_OMIT_COLOR_EMPTY },
+ { "help", no_argument, &opt_type, OPT_HELP },
+ { "version", no_argument, &opt_type, OPT_VERSION },
+ { NULL, 0, NULL, 0 },
+};
+
+enum attr_type {
+ ATTR_BOLD = 0x01,
+ ATTR_UNDERSCORE = 0x02,
+ ATTR_BLINK = 0x04,
+ ATTR_REVERSE = 0x08,
+ ATTR_CONCEALED = 0x10
+};
+struct attr {
+ const char *name;
+ unsigned int val;
+ enum attr_type type;
};
static FILE *stream;
static bool clean;
static bool clean_all;
+static bool omit_color_empty;
+static char attr[MAX_ATTRIBUTE_CHARS + 1];
static char *exclude;
static const char *program_name;
-static void process_opts (int, char **);
+#if DEBUG
+static void print_tstamp (FILE *);
+#endif
+static void process_opts (int, char **, char **);
+static void conf_file_path (char **);
+static void process_opt_attr (const char *, const bool);
+static void write_attr (const struct attr *, unsigned int *, const bool);
+static void process_opt_exclude_random (const char *, const bool);
+static void parse_conf (const char *, struct conf *);
+static void assign_conf (const char *, struct conf *, const char *, char *);
+static void init_conf_vars (const struct conf *);
+static void init_opts_vars (void);
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 free_conf (struct conf *);
+static void process_args (unsigned int, char **, char *, const struct color **, const char **, FILE **, struct conf *);
static void process_file_arg (const char *, const char **, FILE **);
-static void skip_path_colors (const char *, const char *, const struct stat *);
-static void gather_color_names (const char *, bool *, struct color_name **);
-static void read_print_stream (bool, const struct color **, const char *, FILE *);
+static bool skip_path_colors (const char *, const char *, const struct stat *, const bool);
+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 **, 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, bool);
static void print_clean (const char *);
static bool is_esc (const char *);
static const char *get_end_of_esc (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
static void free_wrap (void **);
static char *strdup_wrap (const char *, const char *, unsigned int);
static char *str_concat_wrap (const char *, const char *, const char *, unsigned int);
+static char *expand_string (const char *);
static bool get_bytes_size (unsigned long, struct bytes_size *);
static char *get_file_type (mode_t);
static bool has_color_name (const char *, const char *);
{
unsigned int arg_cnt;
- bool bold = false;
-
const struct color *colors[2] = {
NULL, /* foreground */
NULL, /* background */
const char *file = NULL;
+ char *conf_file = NULL;
+ struct conf config = { NULL, NULL, NULL, NULL };
+
program_name = argv[0];
atexit (cleanup);
#if DEBUG
log = open_file (DEBUG_FILE, "w");
+ print_tstamp (log);
+#endif
+
+ attr[0] = '\0';
+
+ process_opts (argc, argv, &conf_file);
+
+#ifdef CONF_FILE_TEST
+ conf_file = to_str (CONF_FILE_TEST);
+#elif !defined(TEST)
+ if (conf_file == NULL)
+ conf_file_path (&conf_file);
+ else
+ {
+ char *s;
+ if ((s = expand_string (conf_file)))
+ {
+ free (conf_file);
+ conf_file = s;
+ }
+ errno = 0;
+ if (access (conf_file, F_OK) == -1)
+ vfprintf_fail (formats[FMT_FILE], conf_file, strerror (errno));
+ }
+#endif
+#if defined(CONF_FILE_TEST) || !defined(TEST)
+ if (access (conf_file, F_OK) != -1)
+ parse_conf (conf_file, &config);
#endif
+#if !defined(CONF_FILE_TEST) && !defined(TEST)
+ free (conf_file);
+#endif
+ init_conf_vars (&config);
- process_opts (argc, argv);
+ init_opts_vars ();
arg_cnt = argc - optind;
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";
- const char *message = "switch cannot be used with more than one file";
- if (clean)
- vfprintf_fail (format, "--clean", message);
- else if (clean_all)
- vfprintf_fail (format, "--clean-all", message);
- }
+ vfprintf_fail ("--clean%s switch cannot be used with more than one file", clean_all ? "-all" : "");
+ {
+ unsigned int i;
+ const struct option_set {
+ const char *option;
+ enum opt_set set;
+ } options[] = {
+ { "attr", OPT_ATTR_SET },
+ { "exclude-random", OPT_EXCLUDE_RANDOM_SET },
+ { "omit-color-empty", OPT_OMIT_COLOR_EMPTY_SET },
+ };
+ for (i = 0; i < COUNT_OF (options, struct option_set); i++)
+ if (opts_set & options[i].set)
+ vfprintf_diag ("--%s switch has no meaning with --clean%s", options[i].option, clean_all ? "-all" : "");
+ }
}
else
{
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, &config);
+ read_print_stream (&attr[0], colors, file, stream);
+
+ free_conf (&config);
RELEASE_VAR (exclude);
exit (EXIT_SUCCESS);
}
-#define SET_OPT_TYPE(type) \
- opt_type = type; \
- opt = 0; \
- goto PARSE_OPT; \
+#if DEBUG
+static void
+print_tstamp (FILE *log)
+{
+ time_t t;
+ struct tm *tm;
+ char str[128];
+ size_t written;
+
+ t = time (NULL);
+ tm = localtime (&t);
+ if (tm == NULL)
+ {
+ perror ("localtime");
+ exit (EXIT_FAILURE);
+ }
+ written = strftime (str, sizeof (str), "%Y-%m-%d %H:%M:%S %Z", tm);
+ if (written == 0)
+ vfprintf_fail (formats[FMT_GENERIC], "strftime: 0 returned");
+
+ fprintf (log, "%s\n", str);
+ while (written--)
+ fprintf (log, "=");
+ fprintf (log, "\n");
+}
+#endif
+
+#define DUP_CONFIG() \
+ *conf_file = xstrdup (optarg); \
+ break;
+
+#define PRINT_HELP_EXIT() \
+ print_help (); \
+ exit (EXIT_SUCCESS);
+
+#define PRINT_VERSION_EXIT() \
+ print_version (); \
+ exit (EXIT_SUCCESS);
extern char *optarg;
static void
-process_opts (int argc, char **argv)
+process_opts (int argc, char **argv, char **conf_file)
{
int opt;
- while ((opt = getopt_long (argc, argv, "hV", long_opts, NULL)) != -1)
+ while ((opt = getopt_long (argc, argv, "c:hV", long_opts, NULL)) != -1)
{
- PARSE_OPT:
switch (opt)
{
case 0: /* long opts */
switch (opt_type)
{
+ case OPT_ATTR:
+ opts_set |= OPT_ATTR_SET;
+ opts_arg.attr = xstrdup (optarg);
+ break;
case OPT_CLEAN:
clean = true;
break;
case OPT_CLEAN_ALL:
clean_all = true;
break;
- case OPT_EXCLUDE_RANDOM: {
- bool valid = false;
- unsigned int i;
- exclude = xstrdup (optarg);
- STACK_VAR (exclude);
- for (i = 1; i < tables[GENERIC].count - 1; i++) /* skip color none and default */
- {
- const struct color *entry = &tables[GENERIC].entries[i];
- if (streq (exclude, entry->name))
- {
- valid = true;
- break;
- }
- }
- if (!valid)
- vfprintf_fail (formats[FMT_GENERIC], "--exclude-random switch must be provided a plain color");
+ case OPT_CONFIG:
+ DUP_CONFIG ();
+ case OPT_EXCLUDE_RANDOM:
+ opts_set |= OPT_EXCLUDE_RANDOM_SET;
+ opts_arg.exclude_random = xstrdup (optarg);
+ break;
+ case OPT_OMIT_COLOR_EMPTY:
+ opts_set |= OPT_OMIT_COLOR_EMPTY_SET;
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 'c':
+ DUP_CONFIG ();
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);
}
}
+static void
+conf_file_path (char **conf_file)
+{
+ char *path;
+ uid_t uid;
+ struct passwd *passwd;
+ size_t size;
+
+ uid = getuid ();
+ errno = 0;
+ if ((passwd = getpwuid (uid)) == NULL)
+ {
+ if (errno == 0)
+ vfprintf_diag ("password file entry for uid %lu not found", (unsigned long)uid);
+ else
+ perror ("getpwuid");
+ exit (EXIT_FAILURE);
+ }
+ size = strlen (passwd->pw_dir) + 1 + strlen (CONF_FILE) + 1;
+ path = xmalloc (size);
+ snprintf (path, size, "%s/%s", passwd->pw_dir, CONF_FILE);
+
+ *conf_file = path;
+}
+
+static void
+process_opt_attr (const char *p, const bool is_opt)
+{
+ /* If attributes are added to this "list", also increase MAX_ATTRIBUTE_CHARS! */
+ const struct attr attrs[] = {
+ { "bold", 1, ATTR_BOLD },
+ { "underscore", 4, ATTR_UNDERSCORE },
+ { "blink", 5, ATTR_BLINK },
+ { "reverse", 7, ATTR_REVERSE },
+ { "concealed", 8, ATTR_CONCEALED },
+ };
+ unsigned int attr_types = 0;
+ const char *desc_type[2] = { "--attr switch", "attr conf option" };
+ const unsigned int DESC_TYPE = is_opt ? DESC_OPTION : DESC_CONF;
+
+ while (*p)
+ {
+ const char *s;
+ if (!isalnum (*p))
+ vfprintf_fail ("%s must be provided a string", desc_type[DESC_TYPE]);
+ s = p;
+ while (isalnum (*p))
+ p++;
+ if (*p != '\0' && *p != ',')
+ vfprintf_fail ("%s must have strings separated by ,", desc_type[DESC_TYPE]);
+ else
+ {
+ bool valid_attr = false;
+ unsigned int i;
+ for (i = 0; i < COUNT_OF (attrs, struct attr); i++)
+ {
+ const size_t name_len = strlen (attrs[i].name);
+ if ((size_t)(p - s) == name_len && strneq (s, attrs[i].name, name_len))
+ {
+ write_attr (&attrs[i], &attr_types, is_opt);
+ valid_attr = true;
+ break;
+ }
+ }
+ if (!valid_attr)
+ {
+ char *attr_invalid = xmalloc ((p - s) + 1);
+ STACK_VAR (attr_invalid);
+ strncpy (attr_invalid, s, p - s);
+ attr_invalid[p - s] = '\0';
+ vfprintf_fail ("%s attribute '%s' is not valid", desc_type[DESC_TYPE], attr_invalid);
+ RELEASE_VAR (attr_invalid); /* never reached */
+ }
+ }
+ if (*p)
+ p++;
+ }
+}
+
+static void
+write_attr (const struct attr *attr_i, unsigned int *attr_types, const bool is_opt)
+{
+ const unsigned int val = attr_i->val;
+ const enum attr_type attr_type = attr_i->type;
+ const char *attr_name = attr_i->name;
+
+ if (*attr_types & attr_type)
+ vfprintf_fail ("%s has attribute '%s' twice or more",
+ is_opt ? "--attr switch" : "attr conf option", attr_name);
+ snprintf (attr + strlen (attr), 3, "%u;", val);
+ *attr_types |= attr_type;
+}
+
+static void
+process_opt_exclude_random (const char *s, const bool is_opt)
+{
+ bool valid = false;
+ unsigned int i;
+ RELEASE_VAR (exclude);
+ exclude = xstrdup (s);
+ STACK_VAR (exclude);
+ for (i = 1; i < tables[GENERIC].count - 1; i++) /* skip color none and default */
+ {
+ const struct color *entry = &tables[GENERIC].entries[i];
+ if (streq (exclude, entry->name))
+ {
+ valid = true;
+ break;
+ }
+ }
+ if (!valid)
+ vfprintf_fail ("%s must be provided a plain color",
+ is_opt ? "--exclude-random switch" : "exclude-random conf option");
+}
+
+static void
+init_opts_vars (void)
+{
+ if (opts_set & OPT_ATTR_SET)
+ {
+ attr[0] = '\0'; /* Clear attr string to discard values from the config file. */
+ process_opt_attr (opts_arg.attr, true);
+ }
+ if (opts_set & OPT_EXCLUDE_RANDOM_SET)
+ process_opt_exclude_random (opts_arg.exclude_random, true);
+ if (opts_set & OPT_OMIT_COLOR_EMPTY_SET)
+ omit_color_empty = true;
+
+ free (opts_arg.attr);
+ free (opts_arg.exclude_random);
+}
+
+#define IS_SPACE(c) ((c) == ' ' || (c) == '\t')
+
+static void
+parse_conf (const char *conf_file, struct conf *config)
+{
+ unsigned int cnt = 0;
+ char line[256 + 1];
+ FILE *conf;
+
+ conf = open_file (conf_file, "r");
+
+ while (fgets (line, sizeof (line), conf))
+ {
+ char *cfg, *val;
+ char *assign, *comment, *opt, *value;
+ char *p;
+
+ cnt++;
+ if ((p = strchr (line, '\r')) && *(p + 1) != '\n')
+ vfprintf_fail ("%s: CR ending of line %u is not supported, switch to CRLF/LF instead", conf_file, cnt);
+ if (strlen (line) > (sizeof (line) - 2))
+ vfprintf_fail ("%s: line %u exceeds maximum of %u characters", conf_file, cnt, (unsigned int)(sizeof (line) - 2));
+ if ((p = strpbrk (line, "\n\r")))
+ *p = '\0';
+/* NAME PARSING (start) */
+ p = line;
+ /* skip leading spaces and tabs for name */
+ while (IS_SPACE (*p))
+ p++;
+ /* skip line if a) string end, b) comment, [cd]) newline */
+ if (*p == '\0' || *p == '#' || *p == '\n' || *p == '\r')
+ continue;
+ opt = p;
+ if (!(assign = strchr (opt, '='))) /* check for = */
+ {
+ char *s;
+ if ((s = strpbrk (opt, "# ")))
+ *s = '\0';
+ vfprintf_fail (formats[FMT_CONF], conf_file, opt, "not followed by =");
+ }
+ p = assign;
+ /* skip trailing spaces and tabs for name */
+ while (IS_SPACE (*(p - 1)))
+ p--;
+ *p = '\0';
+/* NAME PARSING (end) */
+/* NAME VALIDATION (start) */
+ for (p = opt; *p; p++)
+ if (!isalnum (*p) && *p != '-')
+ vfprintf_fail (formats[FMT_CONF], conf_file, opt, "cannot be made of non-option characters");
+/* NAME VALIDATION (end) */
+/* VALUE PARSING (start) */
+ p = assign + 1;
+ /* skip leading spaces and tabs for value */
+ while (IS_SPACE (*p))
+ p++;
+ /* skip line if comment */
+ if (*p == '#')
+ continue;
+ value = p;
+ if ((comment = strchr (p, '#')))
+ p = comment;
+ else
+ p += strlen (p);
+ /* skip trailing spaces and tabs for value */
+ while (IS_SPACE (*(p - 1)))
+ p--;
+ *p = '\0';
+/* VALUE PARSING (end) */
+
+ /* save option name */
+ cfg = xstrdup (opt);
+ /* save option value (allow empty ones) */
+ val = strlen (value) ? xstrdup (value) : NULL;
+
+ assign_conf (conf_file, config, cfg, val);
+ free (cfg);
+ }
+
+ fclose (conf);
+}
+
+#define ASSIGN_CONF(str,val) do { \
+ free (str); \
+ str = val; \
+} while (false)
+
+static void
+assign_conf (const char *conf_file, struct conf *config, const char *cfg, char *val)
+{
+ if (streq (cfg, "attr"))
+ ASSIGN_CONF (config->attr, val);
+ else if (streq (cfg, "color"))
+ ASSIGN_CONF (config->color, val);
+ else if (streq (cfg, "exclude-random"))
+ ASSIGN_CONF (config->exclude_random, val);
+ else if (streq (cfg, "omit-color-empty"))
+ ASSIGN_CONF (config->omit_color_empty, val);
+ else
+ vfprintf_fail (formats[FMT_CONF], conf_file, cfg, "not recognized");
+}
+
+static void
+init_conf_vars (const struct conf *config)
+{
+ if (config->attr)
+ process_opt_attr (config->attr, false);
+ if (config->exclude_random)
+ process_opt_exclude_random (config->exclude_random, false);
+ if (config->omit_color_empty)
+ {
+ if (streq (config->omit_color_empty, "yes"))
+ omit_color_empty = true;
+ else if (streq (config->omit_color_empty, "no"))
+ omit_color_empty = false;
+ else
+ vfprintf_fail (formats[FMT_GENERIC], "omit-color-empty conf option is not valid");
+ }
+}
+
static void
print_hint (void)
{
static void
print_help (void)
{
- struct short_opt {
+ struct opt_data {
const char *name;
const char *short_opt;
+ const char *arg;
};
- const struct short_opt short_opts[] = {
- { "help", "h" },
- { "version", "V" },
+ const struct opt_data opts_data[] = {
+ { "attr", NULL, "=ATTR1,ATTR2,..." },
+ { "config", "c", "=PATH" },
+ { "exclude-random", NULL, "=COLOR" },
+ { "help", "h", NULL },
+ { "version", "V", NULL },
};
const struct option *opt = long_opts;
unsigned int i;
printf ("\n\tOptions\n");
for (; opt->name; opt++)
{
- const char *short_opt = NULL;
+ const struct opt_data *opt_data = NULL;
unsigned int i;
- for (i = 0; i < sizeof (short_opts) / sizeof (struct short_opt); i++)
+ for (i = 0; i < COUNT_OF (opts_data, struct opt_data); i++)
+ if (streq (opt->name, opts_data[i].name))
+ {
+ opt_data = &opts_data[i];
+ break;
+ }
+ if (opt_data)
{
- if (streq (opt->name, short_opts[i].name))
- {
- short_opt = short_opts[i].short_opt;
- break;
- }
+ if (opt_data->short_opt)
+ printf ("\t\t-%s, --%s", opt_data->short_opt, opt->name);
+ else
+ printf ("\t\t --%s", opt->name);
+ if (opt_data->arg)
+ printf ("%s", opt_data->arg);
+ printf ("\n");
}
- if (short_opt)
- printf ("\t\t-%s, --%s\n", short_opt, opt->name);
else
printf ("\t\t --%s\n", opt->name);
}
#ifdef HAVE_VERSION
# include "version.h"
#else
- const char *version = NULL;
+ const char *const version = NULL;
#endif
const char *version_prefix, *version_string;
- const char *c_flags;
+ const char *c_flags, *ld_flags, *cpp_flags;
+ const char *const desc_flags_unknown = "unknown";
struct bytes_size bytes_size;
bool debug;
#ifdef CFLAGS
c_flags = to_str (CFLAGS);
#else
- c_flags = "unknown";
+ c_flags = desc_flags_unknown;
+#endif
+#ifdef LDFLAGS
+ ld_flags = to_str (LDFLAGS);
+#else
+ ld_flags = desc_flags_unknown;
+#endif
+#ifdef CPPFLAGS
+ cpp_flags = to_str (CPPFLAGS);
+#else
+ cpp_flags = desc_flags_unknown;
#endif
#if DEBUG
debug = true;
#endif
version_prefix = version ? "" : "v";
version_string = version ? version : VERSION;
- printf ("colorize %s%s (compiled at %s, %s)\n", version_prefix, version_string, __DATE__, __TIME__);
+ printf ("%s %s%s (compiled at %s, %s)\n", PROGRAM_NAME, 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)
static void
cleanup (void)
{
- free_color_names (color_names);
-
if (stream && fileno (stream) != STDIN_FILENO)
fclose (stream);
#if DEBUG
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)
+free_conf (struct conf *config)
+{
+ free (config->attr);
+ free (config->color);
+ free (config->exclude_random);
+ free (config->omit_color_empty);
+}
+
+static void
+process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct color **colors, const char **file, FILE **stream, struct conf *config)
{
+ bool has_hyphen, use_conf_color;
int ret;
char *p;
struct stat sb;
+ struct color_name *color_names[3] = {
+ NULL, /* foreground */
+ NULL, /* background */
+ NULL, /* sentinel value */
+ };
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);
+ assert (color_string != NULL);
+
+ has_hyphen = streq (color_string, "-");
- if (streq (color_string, "-"))
+ if (has_hyphen)
{
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");
+ else if (!config->color)
+ vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceded by color string");
}
- ret = lstat (color_string, &sb);
+ if (!has_hyphen && (ret = lstat (color_string, &sb)) == 0) /* exists */
+ /* Ensure that we don't fail if there's a file with one or more
+ color names in its path. */
+ use_conf_color = skip_path_colors (color_string, file_string, &sb, !!config->color);
+ else if (has_hyphen)
+ use_conf_color = true;
+ else
+ use_conf_color = false;
- /* Ensure that we don't fail if there's a file with one or more
- color names in its path. */
- if (ret == 0) /* success */
- skip_path_colors (color_string, file_string, &sb);
+ /* Use color from config file. */
+ if (arg_cnt == 1 && use_conf_color)
+ {
+ file_string = color_string;
+ color_string = config->color;
+ }
if ((p = strchr (color_string, COLOR_SEP_CHAR)))
{
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]);
+ assert (color_names[FOREGROUND] != NULL);
if (color_names[BACKGROUND])
{
}
find_color_entries (color_names, colors);
+ assert (colors[FOREGROUND] != NULL);
free_color_names (color_names);
if (!colors[FOREGROUND]->code && colors[BACKGROUND] && colors[BACKGROUND]->code)
color_name.name = color_name.orig = "default";
find_color_entry (&color_name, FOREGROUND, colors);
+ assert (colors[FOREGROUND]->code != NULL);
}
process_file_arg (file_string, file, stream);
*file = "stdin";
}
- assert (*stream);
- assert (*file);
+ assert (*stream != NULL);
+ assert (*file != NULL);
}
-static void
-skip_path_colors (const char *color_string, const char *file_string, const struct stat *sb)
+static bool
+skip_path_colors (const char *color_string, const char *file_string, const struct stat *sb, const bool has_conf)
{
bool have_file;
unsigned int c;
if (have_file)
{
- const char *file_exists = color_string;
+ const char *file_existing = color_string;
if (file_string)
- vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "cannot be used as color string");
+ vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_existing, "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");
+ {
+ if (has_conf)
+ return true;
+ vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_existing, "must be preceded by color string");
+ }
else
- vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "is not a valid file type");
+ vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_existing, "is not a valid file type");
}
}
+ return false;
}
static void
-gather_color_names (const char *color_string, bool *bold, struct color_name **color_names)
+gather_color_names (const char *color_string, char *attr, struct color_name **color_names)
{
unsigned int index;
char *color, *p, *str;
}
else
p = color + strlen (color);
- assert (p);
+ assert (p != NULL);
for (ch = color; *ch; ch++)
if (!isalpha (*ch))
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");
+ break;
default: /* never reached */
ABORT_TRACE ();
}
}
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;
line = buf;
while ((eol = strpbrk (line, "\n\r")))
{
- char *p;
+ const bool has_text = (eol > line);
+ const char *p;
flags &= ~(CR|LF);
if (*eol == '\r')
{
}
else if (*eol == '\n')
flags |= LF;
- else
+ else /* never reached */
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,
+ omit_color_empty ? has_text : true);
line = p;
}
if (feof (stream))
{
if (*line != '\0')
- print_line (bold, colors, line, 0);
+ print_line (attr, colors, line, 0, true);
}
else if (*line != '\0')
{
if ((clean || clean_all) && (p = strrchr (line, '\033')))
merge_print_line (line, p, stream);
else
- print_line (bold, colors, line, 0);
+ print_line (attr, colors, line, 0, true);
}
}
}
if (read_from_stream)
save_char (ch, buf, &i, &size);
}
- else /* read next character */
+ else /* got next character */
{
got_next_char = true;
break;
}
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, bool emit_colors)
{
/* --clean[-all] */
if (clean || clean_all)
print_clean (line);
- else
+ /* skip for --omit-color-empty? */
+ else if (emit_colors)
{
/* Foreground color code is guaranteed to be set when background color code is present. */
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);
}
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++;
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);
}
}
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))
}
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
return p;
}
#else
+static const char *const format_debug = "%s: %10s %7lu bytes [source file %s, line %5u]\n";
static void *
malloc_wrap_debug (size_t size, const char *file, unsigned int line)
{
void *p = malloc (size);
if (!p)
MEM_ALLOC_FAIL_DEBUG (file, line);
- fprintf (log, "%s: malloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)size, file, line);
+ fprintf (log, format_debug, program_name, "malloc'ed", (unsigned long)size, file, line);
return p;
}
void *p = calloc (nmemb, size);
if (!p)
MEM_ALLOC_FAIL_DEBUG (file, line);
- fprintf (log, "%s: calloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)(nmemb * size), file, line);
+ fprintf (log, format_debug, program_name, "calloc'ed", (unsigned long)(nmemb * size), file, line);
return p;
}
void *p = realloc (ptr, size);
if (!p)
MEM_ALLOC_FAIL_DEBUG (file, line);
- fprintf (log, "%s: realloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)size, file, line);
+ fprintf (log, format_debug, program_name, "realloc'ed", (unsigned long)size, file, line);
return p;
}
#endif /* !DEBUG */
return str;
}
+static char *
+expand_string (const char *str)
+{
+ char *s = NULL;
+ wordexp_t p;
+
+ wordexp (str, &p, 0);
+ if (p.we_wordc >= 1)
+ s = xstrdup (p.we_wordv[0]);
+ wordfree (&p);
+
+ return s;
+}
+
static bool
get_bytes_size (unsigned long bytes, struct bytes_size *bytes_size)
{
{
char *p;
- assert (strlen (str));
- assert (strlen (name));
+ assert (strlen (str) > 0);
+ assert (strlen (name) > 0);
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;
+ else
+ return true;
}
static FILE *
va_start (ap, fmt); \
vfprintf (stderr, fmt, ap); \
va_end (ap); \
- fprintf (stderr, "\n"); \
+ fprintf (stderr, "\n");
static void
vfprintf_diag (const char *fmt, ...)
projects / colorize.git / blobdiff