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65 lines
1.4 KiB
65 lines
1.4 KiB
#define _POSIX_C_SOURCE 200809L
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#include <float.h>
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include "log.h"
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#include "util.h"
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int wrap(int i, int max) {
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return ((i % max) + max) % max;
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}
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int numlen(int n) {
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if (n == 0) {
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return 1;
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}
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// Account for the '-' in negative numbers.
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return log10(abs(n)) + (n > 0 ? 1 : 2);
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}
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uint32_t parse_color(const char *color) {
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if (color[0] == '#') {
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++color;
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}
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int len = strlen(color);
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if (len != 6 && len != 8) {
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sway_log(SWAY_DEBUG, "Invalid color %s, defaulting to color 0xFFFFFFFF", color);
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return 0xFFFFFFFF;
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}
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uint32_t res = (uint32_t)strtoul(color, NULL, 16);
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if (strlen(color) == 6) {
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res = (res << 8) | 0xFF;
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}
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return res;
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}
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bool parse_boolean(const char *boolean, bool current) {
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if (strcasecmp(boolean, "1") == 0
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|| strcasecmp(boolean, "yes") == 0
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|| strcasecmp(boolean, "on") == 0
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|| strcasecmp(boolean, "true") == 0
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|| strcasecmp(boolean, "enable") == 0
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|| strcasecmp(boolean, "enabled") == 0
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|| strcasecmp(boolean, "active") == 0) {
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return true;
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} else if (strcasecmp(boolean, "toggle") == 0) {
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return !current;
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}
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// All other values are false to match i3
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return false;
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}
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float parse_float(const char *value) {
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errno = 0;
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char *end;
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float flt = strtof(value, &end);
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if (*end || errno) {
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sway_log(SWAY_DEBUG, "Invalid float value '%s', defaulting to NAN", value);
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return NAN;
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}
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return flt;
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}
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