--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dav/optparser.c Tue Aug 13 11:19:22 2013 +0200
@@ -0,0 +1,106 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2012 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "optparser.h"
+
+void cmd_args_free(CmdArgs *args) {
+ ucx_map_free(args->options);
+ free(args->argv);
+}
+
+CmdArgs* cmd_parse_args(int argc, char **argv) {
+ CmdArgs *a = malloc(sizeof(CmdArgs));
+ a->options = ucx_map_new(16);
+ a->argv = calloc(argc, sizeof(char*));
+ a->argc = 0;
+
+ char *option = NULL;
+ char optchar = 0;
+ for(int i=0;i<argc;i++) {
+ char *arg = argv[i];
+ size_t len = strlen(arg);
+ if(len > 1 && arg[0] == '-') {
+ for(int c=1;c<len;c++) {
+ switch(arg[c]) {
+ default: {
+ fprintf(stderr, "Unknown option -%c", arg[c]);
+ cmd_args_free(a);
+ return NULL;
+ }
+ case 'k': {
+ if(!option) {
+ option = "key";
+ optchar = 'k';
+ } else {
+ fprintf(
+ stderr,
+ "Missing argument for option -%c\n",
+ optchar);
+ cmd_args_free(a);
+ return NULL;
+ }
+ break;
+ }
+ case 'p': {
+ ucx_map_cstr_put(a->options, "plain", "");
+ break;
+ }
+ case 'o': {
+ if(!option) {
+ option = "output";
+ optchar = 'o';
+ } else {
+ fprintf(
+ stderr,
+ "Missing argument for option -%c\n",
+ optchar);
+ cmd_args_free(a);
+ return NULL;
+ }
+ break;
+ }
+ }
+ }
+ } else if(option) {
+ ucx_map_cstr_put(a->options, option, arg);
+ option = NULL;
+ } else {
+ a->argv[a->argc++] = arg;
+ }
+ }
+
+ return a;
+}
+
+char* cmd_getoption(CmdArgs *arg, char *name) {
+ return ucx_map_cstr_get(arg->options, name);
+}