added key value storage

[svn42.git] / powersensordaemon / key_value_storage.c

diff --git a/powersensordaemon/key_value_storage.c b/powersensordaemon/key_value_storage.c
new file mode 100644 (file)
index 0000000..7f4b584
--- /dev/null
+++ b/powersensordaemon/key_value_storage.c
@@ -0,0 +1,92 @@
+/*
+ *  rhctl
+ *
+ *  Copyright (C) 2009 Christian Pointner <equinox@spreadspace.org>
+ *
+ *  This file is part of rhctl.
+ *
+ *  rhctl is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  rhctl is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with rhctl. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "key_value_storage.h"
+
+void key_value_storage_init(key_value_storage_t* stor)
+{
+  if(!stor)
+    return;
+
+  string_list_init(&(stor->keys_));
+  string_list_init(&(stor->values_));
+}
+
+void key_value_storage_clear(key_value_storage_t* stor)
+{
+  if(!stor)
+    return;
+
+  string_list_clear(&(stor->keys_));
+  string_list_clear(&(stor->values_));
+}
+
+int key_value_storage_add(key_value_storage_t* stor, const char* key, const char* value)
+{
+  if(!stor || !key || !value)
+    return -1;
+
+  int ret = string_list_add(&(stor->keys_), key);
+  if(ret!=0) 
+    return ret;
+
+  ret = string_list_add(&(stor->values_), value);
+  if(ret!=0) 
+    return ret;
+
+  return 0;
+}
+
+char* key_value_storage_find(key_value_storage_t* stor, const char* key)
+{
+  if(!stor || !key)
+    return NULL;
+
+  string_list_element_t* k = stor->keys_.first_;
+  string_list_element_t* v = stor->values_.first_;
+  while(v && k) {
+    if(!strcmp(k->string_, key))
+      return v->string_;
+    
+    k = k->next_;
+    v = v->next_;
+  }
+
+  return NULL;
+}
+
+void key_value_storage_print(key_value_storage_t* stor, const char* head, const char* sep, const char* tail)
+{
+  if(!stor)
+    return;
+
+  string_list_element_t* k = stor->keys_.first_;
+  string_list_element_t* v = stor->values_.first_;
+  while(v && k) {
+    printf("%s%s%s%s%s", head, k->string_, sep, v->string_, tail);
+    k = k->next_;
+    v = v->next_;
+  }
+  printf("\n");
+}