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index 62977f4808ae339fdfe797e16b4eb28dc6abb85d..e8e26818b3b1f2ffce1374e2edf88b40c575c3dd 100644 (file)
--- a/color.c
+++ b/color.c
#include "cache.h"
#include "color.h"
-int git_use_color_default = 0;
+static int git_use_color_default = 0;
+int color_stdout_is_tty = -1;
+
+/*
+ * The list of available column colors.
+ */
+const char *column_colors_ansi[] = {
+ GIT_COLOR_RED,
+ GIT_COLOR_GREEN,
+ GIT_COLOR_YELLOW,
+ GIT_COLOR_BLUE,
+ GIT_COLOR_MAGENTA,
+ GIT_COLOR_CYAN,
+ GIT_COLOR_BOLD_RED,
+ GIT_COLOR_BOLD_GREEN,
+ GIT_COLOR_BOLD_YELLOW,
+ GIT_COLOR_BOLD_BLUE,
+ GIT_COLOR_BOLD_MAGENTA,
+ GIT_COLOR_BOLD_CYAN,
+ GIT_COLOR_RESET,
+};
+
+/* Ignore the RESET at the end when giving the size */
+const int column_colors_ansi_max = ARRAY_SIZE(column_colors_ansi) - 1;
static int parse_color(const char *name, int len)
{
{
const char *ptr = value;
int len = value_len;
- int attr = -1;
+ unsigned int attr = 0;
int fg = -2;
int bg = -2;
return;
}
- /* [fg [bg]] [attr] */
+ /* [fg [bg]] [attr]... */
while (len > 0) {
const char *word = ptr;
int val, wordlen = 0;
goto bad;
}
val = parse_attr(word, wordlen);
- if (val < 0 || attr != -1)
+ if (0 <= val)
+ attr |= (1 << val);
+ else
goto bad;
- attr = val;
}
- if (attr >= 0 || fg >= 0 || bg >= 0) {
+ if (attr || fg >= 0 || bg >= 0) {
int sep = 0;
+ int i;
*dst++ = '\033';
*dst++ = '[';
- if (attr >= 0) {
- *dst++ = '0' + attr;
- sep++;
+
+ for (i = 0; attr; i++) {
+ unsigned bit = (1 << i);
+ if (!(attr & bit))
+ continue;
+ attr &= ~bit;
+ if (sep++)
+ *dst++ = ';';
+ *dst++ = '0' + i;
}
if (fg >= 0) {
if (sep++)
die("bad color value '%.*s' for variable '%s'", value_len, value, var);
}
-int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
+int git_config_colorbool(const char *var, const char *value)
{
if (value) {
if (!strcasecmp(value, "never"))
@@ -135,18 +166,25 @@ int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
if (!strcasecmp(value, "always"))
return 1;
if (!strcasecmp(value, "auto"))
- goto auto_color;
+ return GIT_COLOR_AUTO;
}
+ if (!var)
+ return -1;
+
/* Missing or explicit false to turn off colorization */
if (!git_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)) {
+ return GIT_COLOR_AUTO;
+}
+
+static int check_auto_color(void)
+{
+ if (color_stdout_is_tty < 0)
+ color_stdout_is_tty = isatty(1);
+ if (color_stdout_is_tty || (pager_in_use() && pager_use_color)) {
char *term = getenv("TERM");
if (term && strcmp(term, "dumb"))
return 1;
@@ -154,16 +192,48 @@ int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
return 0;
}
-int git_color_default_config(const char *var, const char *value, void *cb)
+int want_color(int var)
+{
+ static int want_auto = -1;
+
+ if (var < 0)
+ var = git_use_color_default;
+
+ if (var == GIT_COLOR_AUTO) {
+ if (want_auto < 0)
+ want_auto = check_auto_color();
+ return want_auto;
+ }
+ return var;
+}
+
+int git_color_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "color.ui")) {
- git_use_color_default = git_config_colorbool(var, value, -1);
+ git_use_color_default = git_config_colorbool(var, value);
return 0;
}
+ return 0;
+}
+
+int git_color_default_config(const char *var, const char *value, void *cb)
+{
+ if (git_color_config(var, value, cb) < 0)
+ return -1;
+
return git_default_config(var, value, cb);
}
+void color_print_strbuf(FILE *fp, const char *color, const struct strbuf *sb)
+{
+ if (*color)
+ fprintf(fp, "%s", color);
+ fprintf(fp, "%s", sb->buf);
+ if (*color)
+ fprintf(fp, "%s", GIT_COLOR_RESET);
+}
+
static int color_vfprintf(FILE *fp, const char *color, const char *fmt,
va_list args, const char *trail)
{
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)
+int color_is_nil(const char *c)
{
- 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 ? p - buf : count, 1, fp) != 1 ||
- fputs(GIT_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;
+ return !strcmp(c, "NIL");
}
-
-