Diff: mylib/appconf/appconf.cpp

Revision:

0:798c62ea70a3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mylib/appconf/appconf.cpp	Mon Apr 04 21:33:25 2011 +0000
@@ -0,0 +1,99 @@
+/**
+ * =============================================================================
+ * Application configuration for 'Expansion Board One' example no.2
+ * http://mbed.org/users/shintamainjp/notebook/starboard_expbrd-one_ex2_en/
+ * =============================================================================
+ * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * =============================================================================
+ */
+
+#include "appconf.h"
+#include "ConfigFile.h"
+
+#define KEY_PACHUBE_APIKEY   "PACHUBE_APIKEY"
+#define KEY_PACHUBE_FEEDID   "PACHUBE_FEEDID"
+#define KEY_PACHUBE_INTERVAL "PACHUBE_INTERVAL"
+
+/**
+ * Initialize configuration.
+ *
+ * @param p A pointer to a application config.
+ */
+void appconf_init(appconf_t *p) {
+    memset(p->apikey, 0, sizeof(p->apikey));
+    memset(p->feedid, 0, sizeof(p->feedid));
+    p->interval = 0;
+}
+
+/**
+ * Read configuration.
+ *
+ * @param filename Filename.
+ * @param p A pointer to a application config.
+ * @return Return zero if it succeed.
+ */
+int appconf_read(char *filename, appconf_t *p) {
+    ConfigFile cf;
+    if (!cf.read(filename)) {
+        return -1;
+    }
+    if (!cf.getValue(KEY_PACHUBE_APIKEY, p->apikey, sizeof(p->apikey))) {
+        return -2;
+    }    
+    if (!cf.getValue(KEY_PACHUBE_FEEDID, p->feedid, sizeof(p->feedid))) {
+        return -3;
+    }
+    char buf[64];
+    if (!cf.getValue(KEY_PACHUBE_INTERVAL, buf, sizeof(buf))) {
+        return -4;
+    } else {
+        if (sscanf(buf, "%d", &(p->interval)) != 1) {
+            return -5;
+        }
+    }
+    return 0;
+}
+
+/**
+ * Write configuration.
+ *
+ * @param filename Filename.
+ * @param p A pointer to a application config.
+ * @return Return zero if it succeed.
+ */
+int appconf_write(char *filename, appconf_t *p) {
+    ConfigFile cf;
+    if (!cf.setValue(KEY_PACHUBE_APIKEY, p->apikey)) {
+        return -1;
+    }
+    if (!cf.setValue(KEY_PACHUBE_FEEDID, p->feedid)) {
+        return -2;
+    }
+    char buf[64];
+    snprintf(buf, sizeof(buf) - 1, "%d", p->interval);
+    if (!cf.setValue(KEY_PACHUBE_INTERVAL, buf)) {
+        return -3;
+    }
+    if (!cf.write(filename)) {
+        return -4;
+    }
+    return 0;
+}