C ordening

C/C(extra) ExtraAssignments/Stegano/stegano_main.c

@@ -0,0 +1,128 @@
+/*
+ * main.c
+ *
+ *  Created on: Nov 6, 2011
+ *      Author: student
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "bmp.h"
+#include "resource_detector.h"
+#include "stegano.h"
+
+#define MAX_STRLEN 80
+
+static bool WithMenu = true;
+
+static int GetInt(const char* Message)
+{
+    char Line[MAX_STRLEN];
+    char* Result = NULL;
+    int Value = -1;
+
+    if (WithMenu)
+    {
+        printf("%s", Message);
+    }
+    Result = fgets(Line, sizeof(Line), stdin);
+    if (Result != NULL)
+    {
+        sscanf(Result, "%d", &Value);
+    }
+
+    return Value;
+}
+
+static void GetStr(const char* Message, char* Str)
+{
+    char Line[MAX_STRLEN];
+    char* Result = NULL;
+
+    if (WithMenu)
+    {
+        printf("%s", Message);
+    }
+    Result = fgets(Line, sizeof(Line), stdin);
+    if (Result != NULL)
+    {
+        sscanf(Result, "%s", Str);
+    }
+}
+
+
+extern int main(int argc, char* argv[])
+{
+    char File0[MAX_STRLEN];
+    char File1[MAX_STRLEN];
+    char File2[MAX_STRLEN];
+    int Choice;
+    bool Quit = false;
+
+    printf("PRC assignment 'SteganoC' (version 2)\n"
+           "-------------------------------------\n");
+
+    if (argc != 1)
+    {
+        fprintf(stderr, "%s: argc=%d\n", argv[0], argc);
+    }
+
+    while (!Quit)
+    {
+        if (WithMenu)
+        {
+            printf("\n\nMENU\n"
+                   "===================\n"
+                   "[1] multiplex\n"
+                   "[2] multiplex text\n"
+                   "[3] demultiplex\n"
+                   "[4] demultiplex text\n"
+                   "[8] show/hide menu\n"
+                   "[9] Quit\n");
+        }
+        Choice = GetInt("Choice: ");
+
+        switch (Choice)
+        {
+        case 1:
+            GetStr("enter input file (visible): ", File0);
+            GetStr("enter input file (hidden): ", File1);
+            SteganoMultiplex(File0, File1);
+            break;
+        case 2:
+            GetStr("enter input file (visible): ", File0);
+            GetStr("enter input file (text): ", File1);
+            SteganoMultiplexText(File0, File1);
+            break;
+        case 3:
+            GetStr("enter input file: ", File0);
+            GetStr("enter output file (visible): ", File1);
+            GetStr("enter output file (hidden): ", File2);
+            SteganoDemultiplex(File0, File1, File2);
+            break;
+        case 4:
+            GetStr("enter input file: ", File0);
+            GetStr("enter output file (visible): ", File1);
+            GetStr("enter output file (text): ", File2);
+            SteganoDemultiplexText(File0, File1, File2);
+            break;
+        case 8:
+            if (WithMenu)
+            {
+                printf("printing of MENU is disabled\n");
+            }
+            WithMenu = !WithMenu;
+            break;
+        case 9:
+            Quit = true;
+            break;
+        default:
+            printf("ERROR: invalid Choice: %d\n", Choice);
+            break;
+        }
+    }
+    return (0);
+}