mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-07-21 10:44:25 +00:00
130 lines
3 KiB
C
130 lines
3 KiB
C
/*
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* Copyright © 2012 Kristian Høgsberg
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "config-parser.h"
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static int
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handle_option(const struct weston_option *option, char *value)
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{
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char* p;
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switch (option->type) {
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case WESTON_OPTION_INTEGER:
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* (int32_t *) option->data = strtol(value, &p, 0);
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return *value && !*p;
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case WESTON_OPTION_UNSIGNED_INTEGER:
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* (uint32_t *) option->data = strtoul(value, &p, 0);
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return *value && !*p;
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case WESTON_OPTION_STRING:
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* (char **) option->data = strdup(value);
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return 1;
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default:
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assert(0);
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}
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}
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static int
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long_option(const struct weston_option *options, int count, char *arg)
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{
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int k, len;
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for (k = 0; k < count; k++) {
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if (!options[k].name)
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continue;
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len = strlen(options[k].name);
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if (strncmp(options[k].name, arg + 2, len) != 0)
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continue;
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if (options[k].type == WESTON_OPTION_BOOLEAN) {
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if (!arg[len + 2]) {
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* (int32_t *) options[k].data = 1;
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return 1;
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}
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} else if (arg[len+2] == '=') {
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return handle_option(options + k, arg + len + 3);
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}
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}
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return 0;
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}
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static int
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short_option(const struct weston_option *options, int count, char *arg)
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{
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int k;
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if (!arg[1])
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return 0;
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for (k = 0; k < count; k++) {
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if (options[k].short_name != arg[1])
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continue;
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if (options[k].type == WESTON_OPTION_BOOLEAN) {
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if (!arg[2]) {
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* (int32_t *) options[k].data = 1;
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return 1;
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}
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} else {
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return handle_option(options + k, arg + 2);
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}
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}
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return 0;
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}
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int
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parse_options(const struct weston_option *options,
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int count, int *argc, char *argv[])
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{
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int i, j;
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for (i = 1, j = 1; i < *argc; i++) {
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if (argv[i][0] == '-') {
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if (argv[i][1] == '-') {
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if (long_option(options, count, argv[i]))
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continue;
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} else if (short_option(options, count, argv[i]))
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continue;
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}
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argv[j++] = argv[i];
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}
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argv[j] = NULL;
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*argc = j;
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return j;
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}
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