--- /dev/null
+/*
+ * Copyright (c) 2011, Andy Spencer <andy753421@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <search.h>
+
+#include "util.h"
+#include "conf.h"
+
+/* Types */
+typedef enum { number, string } type_t;
+
+typedef struct {
+ type_t type;
+ char *key;
+ union {
+ int num;
+ char *str;
+ };
+} entry_t;
+
+/* Data */
+static void *conf;
+
+/* Helpers */
+static int conf_cmp(const void *_a, const void *_b)
+{
+ const entry_t *a = _a;
+ const entry_t *b = _b;
+ return strcmp(a->key, b->key);
+}
+
+static entry_t *conf_get(const char *key)
+{
+ entry_t try = { .key = (char*)key };
+ entry_t **found = tfind(&try, &conf, conf_cmp);
+ return found ? *found : NULL;
+}
+
+static void conf_set(const char *key, int num, const char *str)
+{
+ entry_t *entry;
+
+ /* Free old item */
+ if ((entry = conf_get(key))) {
+ tdelete(entry, &conf, conf_cmp);
+ free(entry->key);
+ if (entry->type == string)
+ free(entry->str);
+ free(entry);
+ }
+
+ /* Insert new item */
+ entry = new0(entry_t);
+ entry->key = strdup(key);
+ if (str) {
+ entry->type = string;
+ entry->str = strdup(str);
+ } else {
+ entry->type = number;
+ entry->num = num;
+ }
+ tsearch(entry, &conf, conf_cmp);
+}
+
+static char *strtrim(char *str)
+{
+ while (*str == ' ' || *str == '\t' || *str == '\n')
+ str++;
+ char *end = strchr(str, '\0');
+ while (end > str && (*end == ' ' || *end == '\t' ||
+ *end == '\n' || *end == '\0'))
+ *end-- = '\0';
+ return str;
+}
+
+/* Read an ini file into the configuration
+ * - this does not properly handle excape sequences
+ * - could probably make this into a real parser.. */
+static void load_file(const char *path)
+{
+ char line[256]={}, section[256]={};
+ char key[256]={}, val[256]={};
+ FILE *fd = fopen(path, "rt");
+ if (!fd) return;
+ printf("load_file: %s\n", path);
+ while (fgets(line, sizeof(line), fd)) {
+ /* Find special characters */
+ char *lbrace = strchr( line , '[');
+ char *rbrace = strchr((lbrace ?: line)+1, ']');
+ char *equal = strchr( line , '=');
+ char *lquote = strchr((equal ?: line)+1, '"');
+ char *rquote = strchr((lquote ?: line)+1, '"');
+ char *hash = strchr((rquote ?: line)+1, '#');
+ if (hash)
+ *hash = '\0';
+
+ if (lbrace && rbrace) {
+ /* Check for secions */
+ memcpy(section, lbrace+1, rbrace-lbrace-1);
+ }
+ else if (section[0] && equal && lquote && rquote) {
+ /* Check for numbers/plain strings */
+ memcpy(key, line, equal-line);
+ memcpy(val, lquote+1, rquote-lquote-1);
+ char *_key = strtrim(key);
+ conf_set_str(_key, val);
+ printf(" [%s.%s] = [%s]\n", section, _key, val);
+ }
+ else if (section[0] && equal) {
+ /* Check for strings */
+ memcpy(key, line, equal-line);
+ strcpy(val, equal+1);
+ char *_key = strtrim(key);
+ char *_val = strtrim(val);
+ char *end;
+ int num = strtol(_val, &end, 10);
+ if (end != val && *end == '\0')
+ conf_set_int(_key, num);
+ else if (!strcasecmp(_val, "true"))
+ conf_set_int(_key, 1);
+ else if (!strcasecmp(_val, "false"))
+ conf_set_int(_key, 0);
+ else
+ conf_set_str(_key, _val);
+ printf(" [%s.%s] = [%s]\n", section, _key, _val);
+ }
+ }
+ fclose(fd);
+}
+
+static void load_args(int argc, char **argv)
+{
+ /* ... */
+}
+
+
+/* Configuration file functions */
+int conf_get_int(const char *key)
+{
+ entry_t *entry = conf_get(key);
+ return entry ? entry->num : 0;
+}
+
+void conf_set_int(const char *key, int value)
+{
+ conf_set(key, value, NULL);
+}
+
+const char *conf_get_str(const char *key)
+{
+ entry_t *entry = conf_get(key);
+ return entry ? entry->str : NULL;
+}
+
+void conf_set_str(const char *key, const char *value)
+{
+ conf_set(key, 0, value);
+}
+
+void conf_init(int argc, char **argv)
+{
+ /* Load configuration */
+ char path[256];
+ snprintf(path, sizeof(path), "%s/%s", getenv("HOME"), ".wmpus");
+ load_file(path);
+ load_args(argc, argv);
+}
+
+void conf_free(void)
+{
+}
--- /dev/null
+/*
+ * Copyright (c) 2011, Andy Spencer <andy753421@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, 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
+ */
+
+int conf_get_int(const char *key);
+
+const char *conf_get_str(const char *key);
+
+void conf_set_int(const char *key, int value);
+
+void conf_set_str(const char *key, const char *value);
+
+void conf_init(int argc, char **argv);
+
+void conf_free(void);
projects / wmpus / commitdiff