appconf.cpp

00001 /**
00002  * =============================================================================
00003  * Application configuration for 'Expansion Board One' example no.1
00004  * http://mbed.org/users/shintamainjp/notebook/starboard_expbrd-one_ex1_en/
00005  * =============================================================================
00006  * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  *
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  * =============================================================================
00026  */
00027 
00028 #include "appconf.h"
00029 #include "ConfigFile.h"
00030 
00031 #define KEY_SUPERTWEET_ACCOUNT  "SUPERTWEET_ACCOUNT"
00032 #define KEY_SUPERTWEET_PASSWORD "SUPERTWEET_PASSWORD"
00033 
00034 /**
00035  * Initialize configuration.
00036  *
00037  * @param p A pointer to a application config.
00038  */
00039 void appconf_init(appconf_t *p) {
00040     memset(p->account, 0, sizeof(p->account));
00041     memset(p->password, 0, sizeof(p->password));
00042 }
00043 
00044 /**
00045  * Read configuration.
00046  *
00047  * @param filename Filename.
00048  * @param p A pointer to a application config.
00049  * @return Return zero if it succeed.
00050  */
00051 int appconf_read(char *filename, appconf_t *p) {
00052     ConfigFile cf;
00053     if (!cf.read(filename)) {
00054         return -1;
00055     }
00056     if (!cf.getValue(KEY_SUPERTWEET_ACCOUNT, p->account, sizeof(p->account))) {
00057         return -2;
00058     }    
00059     if (!cf.getValue(KEY_SUPERTWEET_PASSWORD, p->password, sizeof(p->password))) {
00060         return -3;
00061     }
00062     return 0;
00063 }
00064 
00065 /**
00066  * Write configuration.
00067  *
00068  * @param filename Filename.
00069  * @param p A pointer to a application config.
00070  * @return Return zero if it succeed.
00071  */
00072 int appconf_write(char *filename, appconf_t *p) {
00073     ConfigFile cf;
00074     if (!cf.setValue(KEY_SUPERTWEET_ACCOUNT, p->account)) {
00075         return -1;
00076     }
00077     if (!cf.setValue(KEY_SUPERTWEET_PASSWORD, p->password)) {
00078         return -2;
00079     }
00080     if (!cf.write(filename)) {
00081         return -3;
00082     }
00083     return 0;
00084 }