diff options
Diffstat (limited to 'src/tools/perf/util/color.c')
| -rw-r--r-- | src/tools/perf/util/color.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/src/tools/perf/util/color.c b/src/tools/perf/util/color.c deleted file mode 100644 index 66e44a5..0000000 --- a/src/tools/perf/util/color.c +++ /dev/null @@ -1,332 +0,0 @@ -#include <linux/kernel.h> -#include "cache.h" -#include "color.h" - -int perf_use_color_default = -1; - -static int parse_color(const char *name, int len) -{ - static const char * const color_names[] = { - "normal", "black", "red", "green", "yellow", - "blue", "magenta", "cyan", "white" - }; - char *end; - int i; - - for (i = 0; i < (int)ARRAY_SIZE(color_names); i++) { - const char *str = color_names[i]; - if (!strncasecmp(name, str, len) && !str[len]) - return i - 1; - } - i = strtol(name, &end, 10); - if (end - name == len && i >= -1 && i <= 255) - return i; - return -2; -} - -static int parse_attr(const char *name, int len) -{ - static const int attr_values[] = { 1, 2, 4, 5, 7 }; - static const char * const attr_names[] = { - "bold", "dim", "ul", "blink", "reverse" - }; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(attr_names); i++) { - const char *str = attr_names[i]; - if (!strncasecmp(name, str, len) && !str[len]) - return attr_values[i]; - } - return -1; -} - -void color_parse(const char *value, const char *var, char *dst) -{ - color_parse_mem(value, strlen(value), var, dst); -} - -void color_parse_mem(const char *value, int value_len, const char *var, - char *dst) -{ - const char *ptr = value; - int len = value_len; - int attr = -1; - int fg = -2; - int bg = -2; - - if (!strncasecmp(value, "reset", len)) { - strcpy(dst, PERF_COLOR_RESET); - return; - } - - /* [fg [bg]] [attr] */ - while (len > 0) { - const char *word = ptr; - int val, wordlen = 0; - - while (len > 0 && !isspace(word[wordlen])) { - wordlen++; - len--; - } - - ptr = word + wordlen; - while (len > 0 && isspace(*ptr)) { - ptr++; - len--; - } - - val = parse_color(word, wordlen); - if (val >= -1) { - if (fg == -2) { - fg = val; - continue; - } - if (bg == -2) { - bg = val; - continue; - } - goto bad; - } - val = parse_attr(word, wordlen); - if (val < 0 || attr != -1) - goto bad; - attr = val; - } - - if (attr >= 0 || fg >= 0 || bg >= 0) { - int sep = 0; - - *dst++ = '\033'; - *dst++ = '['; - if (attr >= 0) { - *dst++ = '0' + attr; - sep++; - } - if (fg >= 0) { - if (sep++) - *dst++ = ';'; - if (fg < 8) { - *dst++ = '3'; - *dst++ = '0' + fg; - } else { - dst += sprintf(dst, "38;5;%d", fg); - } - } - if (bg >= 0) { - if (sep++) - *dst++ = ';'; - if (bg < 8) { - *dst++ = '4'; - *dst++ = '0' + bg; - } else { - dst += sprintf(dst, "48;5;%d", bg); - } - } - *dst++ = 'm'; - } - *dst = 0; - return; -bad: - die("bad color value '%.*s' for variable '%s'", value_len, value, var); -} - -int perf_config_colorbool(const char *var, const char *value, int stdout_is_tty) -{ - if (value) { - if (!strcasecmp(value, "never")) - return 0; - if (!strcasecmp(value, "always")) - return 1; - if (!strcasecmp(value, "auto")) - goto auto_color; - } - - /* Missing or explicit false to turn off colorization */ - if (!perf_config_bool(var, value)) - return 0; - - /* any normal truth value defaults to 'auto' */ - auto_color: - if (stdout_is_tty < 0) - stdout_is_tty = isatty(1); - if (stdout_is_tty || (pager_in_use() && pager_use_color)) { - char *term = getenv("TERM"); - if (term && strcmp(term, "dumb")) - return 1; - } - return 0; -} - -int perf_color_default_config(const char *var, const char *value, void *cb) -{ - if (!strcmp(var, "color.ui")) { - perf_use_color_default = perf_config_colorbool(var, value, -1); - return 0; - } - - return perf_default_config(var, value, cb); -} - -static int __color_vsnprintf(char *bf, size_t size, const char *color, - const char *fmt, va_list args, const char *trail) -{ - int r = 0; - - /* - * Auto-detect: - */ - if (perf_use_color_default < 0) { - if (isatty(1) || pager_in_use()) - perf_use_color_default = 1; - else - perf_use_color_default = 0; - } - - if (perf_use_color_default && *color) - r += scnprintf(bf, size, "%s", color); - r += vscnprintf(bf + r, size - r, fmt, args); - if (perf_use_color_default && *color) - r += scnprintf(bf + r, size - r, "%s", PERF_COLOR_RESET); - if (trail) - r += scnprintf(bf + r, size - r, "%s", trail); - return r; -} - -static int __color_vfprintf(FILE *fp, const char *color, const char *fmt, - va_list args, const char *trail) -{ - int r = 0; - - /* - * Auto-detect: - */ - if (perf_use_color_default < 0) { - if (isatty(fileno(fp)) || pager_in_use()) - perf_use_color_default = 1; - else - perf_use_color_default = 0; - } - - if (perf_use_color_default && *color) - r += fprintf(fp, "%s", color); - r += vfprintf(fp, fmt, args); - if (perf_use_color_default && *color) - r += fprintf(fp, "%s", PERF_COLOR_RESET); - if (trail) - r += fprintf(fp, "%s", trail); - return r; -} - -int color_vsnprintf(char *bf, size_t size, const char *color, - const char *fmt, va_list args) -{ - return __color_vsnprintf(bf, size, color, fmt, args, NULL); -} - -int color_vfprintf(FILE *fp, const char *color, const char *fmt, va_list args) -{ - return __color_vfprintf(fp, color, fmt, args, NULL); -} - -int color_snprintf(char *bf, size_t size, const char *color, - const char *fmt, ...) -{ - va_list args; - int r; - - va_start(args, fmt); - r = color_vsnprintf(bf, size, color, fmt, args); - va_end(args); - return r; -} - -int color_fprintf(FILE *fp, const char *color, const char *fmt, ...) -{ - va_list args; - int r; - - va_start(args, fmt); - r = color_vfprintf(fp, color, fmt, args); - va_end(args); - return r; -} - -int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...) -{ - va_list args; - int r; - va_start(args, fmt); - r = __color_vfprintf(fp, color, fmt, args, "\n"); - va_end(args); - return r; -} - -/* - * This function splits the buffer by newlines and colors the lines individually. - * - * Returns 0 on success. - */ -int color_fwrite_lines(FILE *fp, const char *color, - size_t count, const char *buf) -{ - if (!*color) - return fwrite(buf, count, 1, fp) != 1; - - while (count) { - char *p = memchr(buf, '\n', count); - - if (p != buf && (fputs(color, fp) < 0 || - fwrite(buf, p ? (size_t)(p - buf) : count, 1, fp) != 1 || - fputs(PERF_COLOR_RESET, fp) < 0)) - return -1; - if (!p) - return 0; - if (fputc('\n', fp) < 0) - return -1; - count -= p + 1 - buf; - buf = p + 1; - } - return 0; -} - -const char *get_percent_color(double percent) -{ - const char *color = PERF_COLOR_NORMAL; - - /* - * We color high-overhead entries in red, mid-overhead - * entries in green - and keep the low overhead places - * normal: - */ - if (percent >= MIN_RED) - color = PERF_COLOR_RED; - else { - if (percent > MIN_GREEN) - color = PERF_COLOR_GREEN; - } - return color; -} - -int percent_color_fprintf(FILE *fp, const char *fmt, double percent) -{ - int r; - const char *color; - - color = get_percent_color(percent); - r = color_fprintf(fp, color, fmt, percent); - - return r; -} - -int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...) -{ - va_list args; - double percent; - const char *color; - - va_start(args, fmt); - percent = va_arg(args, double); - va_end(args); - color = get_percent_color(percent); - return color_snprintf(bf, size, color, fmt, percent); -} |