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/*
* Copyright © 2012 Kristian Høgsberg
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include "config.h"
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "config-parser.h"
static int
handle_option(const struct weston_option *option, char *value)
{
char* p;
switch (option->type) {
case WESTON_OPTION_INTEGER:
* (int32_t *) option->data = strtol(value, &p, 0);
return *value && !*p;
case WESTON_OPTION_UNSIGNED_INTEGER:
* (uint32_t *) option->data = strtoul(value, &p, 0);
return *value && !*p;
case WESTON_OPTION_STRING:
* (char **) option->data = strdup(value);
return 1;
default:
assert(0);
}
}
static int
long_option(const struct weston_option *options, int count, char *arg)
{
int k, len;
for (k = 0; k < count; k++) {
if (!options[k].name)
continue;
len = strlen(options[k].name);
if (strncmp(options[k].name, arg + 2, len) != 0)
continue;
if (options[k].type == WESTON_OPTION_BOOLEAN) {
if (!arg[len + 2]) {
* (int32_t *) options[k].data = 1;
return 1;
}
} else if (arg[len+2] == '=') {
return handle_option(options + k, arg + len + 3);
}
}
return 0;
}
static int
short_option(const struct weston_option *options, int count, char *arg)
{
int k;
if (!arg[1])
return 0;
for (k = 0; k < count; k++) {
if (options[k].short_name != arg[1])
continue;
if (options[k].type == WESTON_OPTION_BOOLEAN) {
if (!arg[2]) {
* (int32_t *) options[k].data = 1;
return 1;
}
} else {
return handle_option(options + k, arg + 2);
}
}
return 0;
}
int
parse_options(const struct weston_option *options,
int count, int *argc, char *argv[])
{
int i, j;
for (i = 1, j = 1; i < *argc; i++) {
if (argv[i][0] == '-') {
if (argv[i][1] == '-') {
if (long_option(options, count, argv[i]))
continue;
} else if (short_option(options, count, argv[i]))
continue;
}
argv[j++] = argv[i];
}
argv[j] = NULL;
*argc = j;
return j;
}
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