sync

C/C2/product/terminal_io.c

@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "terminal_io.h"
+
+#define MAX_STRLEN 80
+
+static const char* SpeciesNames[] = { "Cat", "Dog", "Guinea pig", "Parrot" };
+
+static const char* SexNames[] = { "Male", "Female" };
+
+
+static const char* MenuStrings[] = {
+    "Show animals",
+    "Add animal",
+    "Remove animal",
+    "Sort animals by age",
+    "Sort animals by year found",
+    "Sort animals by sex",
+    "Find animal",
+    "Load administration from disk",
+    "Save administration to disk",
+    "Quit"
+};
+static const size_t NrMenuStrings =
+            sizeof(MenuStrings) / sizeof(MenuStrings[0]);
+
+int getInt(const char* message)
+{
+    char line[MAX_STRLEN];
+    char* result = NULL;
+    int value = -1;
+
+    printf("%s", message);
+    result = fgets(line, sizeof(line), stdin);
+    if (result != NULL)
+    {
+        sscanf(result, "%d", &value);
+    }
+
+    return value;
+}  
+
+int getLimitedInt(const char* message, const char* items[], int nrItems)
+{
+    int choice = -1;
+    do
+    {
+        for (int i = 0; i < nrItems; i++)
+        {
+            printf("  [%d] %s\n", i, items[i]);
+        }
+        choice = getInt(message);
+    } while (choice < 0 || choice >= nrItems);
+
+    return choice;
+}
+
+MenuOptions getMenuChoice(void)
+{
+    return (MenuOptions)getLimitedInt("choice: ", MenuStrings, NrMenuStrings);
+}
+
+Date getDate(const char* message)
+{
+    Date temp = { 0, 0, 0 };
+    printf("%s", message);
+    temp.Day = getInt("  enter day: ");
+    temp.Month = getInt("  enter month: ");
+    temp.Year = getInt("  enter year: ");
+    return temp;
+}
+
+void printAnimals(const Animal* animals, int nrAnimals)
+{
+    if (animals != NULL)
+    {
+        if (nrAnimals <= 0)
+        {
+            printf("\nAnimal array is empty, or nrAnimals is less than 0\n\n");
+        }
+        else
+        {
+            for (int i = 0; i < nrAnimals; i++)
+            {
+                printf("\nAnimal %d:\n", i + 1);
+                printf("Id:     %d\n", animals[i].Id);
+                printf("Species:  %s\n", SpeciesNames[animals[i].Species]);
+                printf("Sex:      %s\n", SexNames[animals[i].Sex]);
+                printf("Age:      %d\n", animals[i].Age);
+                printf("Animal was found:\n");
+                printf("  at date:     %02d-%02d-%02d\n",
+                       animals[i].DateFound.Day, animals[i].DateFound.Month,
+                       animals[i].DateFound.Year);
+            }
+        }
+    }
+}