Version 0.4d

1 files changed, 128 insertions, 0 deletions

diff --git a/src/errors.cpp b/src/errors.cpp
new file mode 100644
index 0000000..a884233
--- /dev/null
+++ b/src/errors.cpp
@@ -0,0 +1,128 @@
+#include <iostream>
+#include "errors.h"
+
+using namespace std;
+
+int verbose_level=DEFAULT_VERBOSE;
+
+/*************************************************************
+ *     Function: error_handler                                             *
+ *************************************************************
+ *  Description:                                             *
+ *     Shows error message on the screen and abort execution *
+ *  of the program.                                          *
+ *                                                           *
+ * Input:                                                    *
+ *   int err_code - Which error?                             *
+ *   char *add_string - Some errors may display additional   *
+ *                      information.                         *
+ *                                                           *
+ * Change History:                                           *
+ *  Date      Author      Modification                       *
+ *                                                           *
+ *************************************************************/ 
+void error_handler (int err_code, char *add_string)
+{
+  if (err_code==OKAY)
+    {
+      return;			// Does nothing
+    }
+  else
+    {
+      switch (err_code)
+	{
+	case ERR_NODISPLAY:
+	  cout<<"Couldn't open display.";
+	  break;
+	case ERR_XPMERROR:
+	  cout<<"Couldn't load XPM image";
+	  break;
+	case ERR_BADFONT:
+	  cout<<"Couldn't load desired font: "<<add_string;
+	  break;
+	case ERR_BADSTTEMP:
+	  cout<<"Default temperature position not defined";
+	  break;
+	case ERR_CFGNOTFOUND:
+	  cout<<"Configuration file ~/.dwgo.conf not found. See documentation";
+	  break;
+	case ERR_BADDFTCLR:
+	  cout<<"Bad default text color. See default_textcolor in config. file";
+	  break;
+	case ERR_BADDFICLR:
+	  cout<<"Bad default time color. See default_timecolor in config. file";
+	  break;
+	case ERR_BADDFECLR:
+	  cout<<"Bad default temp color. See default_tempcolor in config. file";
+	  break;
+	case ERR_NOCFGFILE:
+	  cout<<"Configuration file not found.";
+	  break;
+
+	default:
+	  cout<<"Unknown error!!! :S";
+	}
+      cout <<endl;
+      exit (err_code);
+    }
+}
+
+/*************************************************************
+ *     Function: verbsth                                     *
+ *************************************************************
+ *  Description:                                             *
+ *     The application wants to tell the user something via  *
+ *  stdout, acording to the verbose level chosen, it will    *
+ *  display some messages, but some don't. Are we debugging? *
+ *                                                           *
+ * Input:                                                    *
+ *    int level - Verbose level                              *
+ *    char *msg or string msg - Is the message to be         *
+ *                              displayed.                   *
+ *                                                           *
+ * Change History:                                           *
+ *  Date      Author      Modification                       *
+ *                                                           *
+ *************************************************************/
+
+void verbsth (int level, const char *msg)
+{
+  if (level<=verbose_level)
+    cout << msg <<endl;
+}
+
+void verbsth (int level, string msg)
+{
+  if (level<=verbose_level)
+    cout << msg <<endl;
+}
+
+/*************************************************************
+ *     Function: file_exists                                 *
+ *************************************************************
+ *  Description:                                             *
+ *     Does the specified file exist?                        *
+ *                                                           *
+ * Input:                                                    *
+ *    const char *name - File name                           *
+ *                                                           *
+ * Output:                                                   *
+ *    True if the file exists, it not, False                                                       *
+ *                                                           *
+ * Change History:                                           *
+ *  Date      Author      Modification                       *
+ *                                                           *
+ *************************************************************/ 
+bool file_exists( const char *name )
+{
+    FILE *fp = NULL;
+
+    fp = fopen( name, "rb" );
+    if( fp != NULL )
+    {
+        fclose( fp );
+        return true;
+    }
+
+    return false;
+}