/*
- * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
- * Use of this source code is governed by a BSD-style license
+ * Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
+ * in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <limits.h>
#include "args.h"
-#ifdef _MSC_VER
-#define snprintf _snprintf
-#endif
+#include "vpx_ports/msvc.h"
#if defined(__GNUC__) && __GNUC__
extern void die(const char *fmt, ...) __attribute__((noreturn));
#endif
-struct arg arg_init(char **argv)
-{
- struct arg a;
+struct arg arg_init(char **argv) {
+ struct arg a;
- a.argv = argv;
- a.argv_step = 1;
- a.name = NULL;
- a.val = NULL;
- a.def = NULL;
- return a;
+ a.argv = argv;
+ a.argv_step = 1;
+ a.name = NULL;
+ a.val = NULL;
+ a.def = NULL;
+ return a;
}
-int arg_match(struct arg *arg_, const struct arg_def *def, char **argv)
-{
- struct arg arg;
+int arg_match(struct arg *arg_, const struct arg_def *def, char **argv) {
+ struct arg arg;
- if (!argv[0] || argv[0][0] != '-')
- return 0;
+ if (!argv[0] || argv[0][0] != '-')
+ return 0;
- arg = arg_init(argv);
+ arg = arg_init(argv);
- if (def->short_name
- && strlen(arg.argv[0]) == strlen(def->short_name) + 1
- && !strcmp(arg.argv[0] + 1, def->short_name))
- {
+ if (def->short_name
+ && strlen(arg.argv[0]) == strlen(def->short_name) + 1
+ && !strcmp(arg.argv[0] + 1, def->short_name)) {
- arg.name = arg.argv[0] + 1;
- arg.val = def->has_val ? arg.argv[1] : NULL;
- arg.argv_step = def->has_val ? 2 : 1;
- }
- else if (def->long_name)
- {
- int name_len = strlen(def->long_name);
-
- if (strlen(arg.argv[0]) >= name_len + 2
- && arg.argv[0][1] == '-'
- && !strncmp(arg.argv[0] + 2, def->long_name, name_len)
- && (arg.argv[0][name_len+2] == '='
- || arg.argv[0][name_len+2] == '\0'))
- {
-
- arg.name = arg.argv[0] + 2;
- arg.val = arg.name[name_len] == '=' ? arg.name + name_len + 1 : NULL;
- arg.argv_step = 1;
- }
+ arg.name = arg.argv[0] + 1;
+ arg.val = def->has_val ? arg.argv[1] : NULL;
+ arg.argv_step = def->has_val ? 2 : 1;
+ } else if (def->long_name) {
+ const size_t name_len = strlen(def->long_name);
+
+ if (strlen(arg.argv[0]) >= name_len + 2
+ && arg.argv[0][1] == '-'
+ && !strncmp(arg.argv[0] + 2, def->long_name, name_len)
+ && (arg.argv[0][name_len + 2] == '='
+ || arg.argv[0][name_len + 2] == '\0')) {
+
+ arg.name = arg.argv[0] + 2;
+ arg.val = arg.name[name_len] == '=' ? arg.name + name_len + 1 : NULL;
+ arg.argv_step = 1;
}
+ }
- if (arg.name && !arg.val && def->has_val)
- die("Error: option %s requires argument.\n", arg.name);
+ if (arg.name && !arg.val && def->has_val)
+ die("Error: option %s requires argument.\n", arg.name);
- if (arg.name && arg.val && !def->has_val)
- die("Error: option %s requires no argument.\n", arg.name);
+ if (arg.name && arg.val && !def->has_val)
+ die("Error: option %s requires no argument.\n", arg.name);
- if (arg.name
- && (arg.val || !def->has_val))
- {
- arg.def = def;
- *arg_ = arg;
- return 1;
- }
+ if (arg.name
+ && (arg.val || !def->has_val)) {
+ arg.def = def;
+ *arg_ = arg;
+ return 1;
+ }
- return 0;
+ return 0;
}
-const char *arg_next(struct arg *arg)
-{
- if (arg->argv[0])
- arg->argv += arg->argv_step;
+const char *arg_next(struct arg *arg) {
+ if (arg->argv[0])
+ arg->argv += arg->argv_step;
- return *arg->argv;
+ return *arg->argv;
}
-char **argv_dup(int argc, const char **argv)
-{
- char **new_argv = malloc((argc + 1) * sizeof(*argv));
+char **argv_dup(int argc, const char **argv) {
+ char **new_argv = malloc((argc + 1) * sizeof(*argv));
- memcpy(new_argv, argv, argc * sizeof(*argv));
- new_argv[argc] = NULL;
- return new_argv;
+ memcpy(new_argv, argv, argc * sizeof(*argv));
+ new_argv[argc] = NULL;
+ return new_argv;
}
-void arg_show_usage(FILE *fp, const struct arg_def *const *defs)
-{
- char option_text[40] = {0};
-
- for (; *defs; defs++)
- {
- const struct arg_def *def = *defs;
- char *short_val = def->has_val ? " <arg>" : "";
- char *long_val = def->has_val ? "=<arg>" : "";
-
- if (def->short_name && def->long_name)
- snprintf(option_text, 37, "-%s%s, --%s%s",
- def->short_name, short_val,
- def->long_name, long_val);
- else if (def->short_name)
- snprintf(option_text, 37, "-%s%s",
- def->short_name, short_val);
- else if (def->long_name)
- snprintf(option_text, 37, " --%s%s",
- def->long_name, long_val);
-
- fprintf(fp, " %-37s\t%s\n", option_text, def->desc);
+void arg_show_usage(FILE *fp, const struct arg_def *const *defs) {
+ char option_text[40] = {0};
+
+ for (; *defs; defs++) {
+ const struct arg_def *def = *defs;
+ char *short_val = def->has_val ? " <arg>" : "";
+ char *long_val = def->has_val ? "=<arg>" : "";
+
+ if (def->short_name && def->long_name) {
+ char *comma = def->has_val ? "," : ", ";
+
+ snprintf(option_text, 37, "-%s%s%s --%s%6s",
+ def->short_name, short_val, comma,
+ def->long_name, long_val);
+ } else if (def->short_name)
+ snprintf(option_text, 37, "-%s%s",
+ def->short_name, short_val);
+ else if (def->long_name)
+ snprintf(option_text, 37, " --%s%s",
+ def->long_name, long_val);
+
+ fprintf(fp, " %-37s\t%s\n", option_text, def->desc);
+
+ if (def->enums) {
+ const struct arg_enum_list *listptr;
+
+ fprintf(fp, " %-37s\t ", "");
+
+ for (listptr = def->enums; listptr->name; listptr++)
+ fprintf(fp, "%s%s", listptr->name,
+ listptr[1].name ? ", " : "\n");
}
+ }
}
-unsigned int arg_parse_uint(const struct arg *arg)
-{
- long int rawval;
- char *endptr;
+unsigned int arg_parse_uint(const struct arg *arg) {
+ long int rawval;
+ char *endptr;
- rawval = strtol(arg->val, &endptr, 10);
+ rawval = strtol(arg->val, &endptr, 10);
- if (arg->val[0] != '\0' && endptr[0] == '\0')
- {
- if (rawval >= 0 && rawval <= UINT_MAX)
- return rawval;
+ if (arg->val[0] != '\0' && endptr[0] == '\0') {
+ if (rawval >= 0 && rawval <= UINT_MAX)
+ return rawval;
- die("Option %s: Value %ld out of range for unsigned int\n",
- arg->name, rawval);
- }
+ die("Option %s: Value %ld out of range for unsigned int\n",
+ arg->name, rawval);
+ }
- die("Option %s: Invalid character '%c'\n", arg->name, *endptr);
- return 0;
+ die("Option %s: Invalid character '%c'\n", arg->name, *endptr);
+ return 0;
}
-int arg_parse_int(const struct arg *arg)
-{
- long int rawval;
- char *endptr;
+int arg_parse_int(const struct arg *arg) {
+ long int rawval;
+ char *endptr;
- rawval = strtol(arg->val, &endptr, 10);
+ rawval = strtol(arg->val, &endptr, 10);
- if (arg->val[0] != '\0' && endptr[0] == '\0')
- {
- if (rawval >= INT_MIN && rawval <= INT_MAX)
- return rawval;
+ if (arg->val[0] != '\0' && endptr[0] == '\0') {
+ if (rawval >= INT_MIN && rawval <= INT_MAX)
+ return rawval;
- die("Option %s: Value %ld out of range for signed int\n",
- arg->name, rawval);
- }
+ die("Option %s: Value %ld out of range for signed int\n",
+ arg->name, rawval);
+ }
- die("Option %s: Invalid character '%c'\n", arg->name, *endptr);
- return 0;
+ die("Option %s: Invalid character '%c'\n", arg->name, *endptr);
+ return 0;
}
-struct vpx_rational
-{
- int num; /**< fraction numerator */
- int den; /**< fraction denominator */
+struct vpx_rational {
+ int num; /**< fraction numerator */
+ int den; /**< fraction denominator */
};
-struct vpx_rational arg_parse_rational(const struct arg *arg)
-{
- long int rawval;
- char *endptr;
- struct vpx_rational rat;
-
- /* parse numerator */
- rawval = strtol(arg->val, &endptr, 10);
-
- if (arg->val[0] != '\0' && endptr[0] == '/')
- {
- if (rawval >= INT_MIN && rawval <= INT_MAX)
- rat.num = rawval;
- else die("Option %s: Value %ld out of range for signed int\n",
- arg->name, rawval);
- }
- else die("Option %s: Expected / at '%c'\n", arg->name, *endptr);
+struct vpx_rational arg_parse_rational(const struct arg *arg) {
+ long int rawval;
+ char *endptr;
+ struct vpx_rational rat;
+
+ /* parse numerator */
+ rawval = strtol(arg->val, &endptr, 10);
+
+ if (arg->val[0] != '\0' && endptr[0] == '/') {
+ if (rawval >= INT_MIN && rawval <= INT_MAX)
+ rat.num = rawval;
+ else die("Option %s: Value %ld out of range for signed int\n",
+ arg->name, rawval);
+ } else die("Option %s: Expected / at '%c'\n", arg->name, *endptr);
+
+ /* parse denominator */
+ rawval = strtol(endptr + 1, &endptr, 10);
+
+ if (arg->val[0] != '\0' && endptr[0] == '\0') {
+ if (rawval >= INT_MIN && rawval <= INT_MAX)
+ rat.den = rawval;
+ else die("Option %s: Value %ld out of range for signed int\n",
+ arg->name, rawval);
+ } else die("Option %s: Invalid character '%c'\n", arg->name, *endptr);
+
+ return rat;
+}
- /* parse denominator */
- rawval = strtol(endptr + 1, &endptr, 10);
- if (arg->val[0] != '\0' && endptr[0] == '\0')
- {
- if (rawval >= INT_MIN && rawval <= INT_MAX)
- rat.den = rawval;
- else die("Option %s: Value %ld out of range for signed int\n",
- arg->name, rawval);
- }
- else die("Option %s: Invalid character '%c'\n", arg->name, *endptr);
+int arg_parse_enum(const struct arg *arg) {
+ const struct arg_enum_list *listptr;
+ long int rawval;
+ char *endptr;
+
+ /* First see if the value can be parsed as a raw value */
+ rawval = strtol(arg->val, &endptr, 10);
+ if (arg->val[0] != '\0' && endptr[0] == '\0') {
+ /* Got a raw value, make sure it's valid */
+ for (listptr = arg->def->enums; listptr->name; listptr++)
+ if (listptr->val == rawval)
+ return rawval;
+ }
+
+ /* Next see if it can be parsed as a string */
+ for (listptr = arg->def->enums; listptr->name; listptr++)
+ if (!strcmp(arg->val, listptr->name))
+ return listptr->val;
+
+ die("Option %s: Invalid value '%s'\n", arg->name, arg->val);
+ return 0;
+}
+
- return rat;
+int arg_parse_enum_or_int(const struct arg *arg) {
+ if (arg->def->enums)
+ return arg_parse_enum(arg);
+ return arg_parse_int(arg);
}
projects / libvpx / blobdiff