games: add 'cowsay'

diff --git a/Applications/games/Makefile.6809 b/Applications/games/Makefile.6809
index e80b8f7..8d214e2 100644 (file)
--- a/Applications/games/Makefile.6809
+++ b/Applications/games/Makefile.6809
@@ -23,7 +23,7 @@ SRCS  = adv01.c adv02.c adv03.c adv04.c adv05.c adv06.c adv07.c \
         adv08.c adv09.c adv10.c adv11.c adv12.c adv13.c adv14a.c adv14b.c \
         myst01.c myst02.c myst03.c myst04.c myst05.c myst06.c myst07.c \
         myst08.c myst09.c myst10.c myst11.c fortune-gen.c startrek.c \
-       hamurabi.c advint.c
+       hamurabi.c advint.c cowsay.c
 
 SRCSFP =
 

diff --git a/Applications/games/cowsay.c b/Applications/games/cowsay.c
new file mode 100644 (file)
index 0000000..7c3f9f1
--- /dev/null
+++ b/Applications/games/cowsay.c
@@ -0,0 +1,167 @@
+#include <stdio.h>
+#include <string.h>
+
+#define MULTILINE_WARNING   "Blah blah blah, try something shorter."
+#define BLANK_WARNING       "Nothing to say."
+
+typedef struct {
+    char *opt;
+    char *eyes;
+    char tongue;
+} design_t;
+
+static design_t designs[] = {
+    { "-b", "==", ' ' },
+    { "-d", "XX", ' ' },
+    { "-g", "$$", ' ' },
+    { "-p", "@@", ' ' },
+    { "-s", "**", 'U' },
+    { "-t", "--", ' ' },
+    { "-w", "OO", ' ' },
+    { "-y", "..", ' ' },
+    { NULL, "\0\0", 0 }
+};
+
+int
+args_shift(int n, int *argc, char ***argv)
+{
+    if (*argc >= n)
+    {
+        *argc -= n;
+        *argv += n;
+    }
+    return *argc - n;
+}
+
+int
+cowsay_get_length(int argc, char **argv)
+{
+    int i;
+    int sum = 0;
+
+    for (i = 0; i < argc; i++)
+        sum += strlen(argv[i]);
+    sum += argc - 1;
+    return sum;
+}
+
+void
+cowsay_print_singleline(int argc, char **argv, int length)
+{
+    int i;
+    putchar(' ');
+    for (i = 0; i < length + 2; i++)
+        putchar('_');
+    printf("\n< ");
+
+    for (i = 0; i < argc; i++)
+    {
+        printf("%s", argv[i]);
+        putchar(' ');
+    }
+    printf(">\n ");
+    for (i = 0; i < length + 2; i++)
+        putchar('-');
+    putchar('\n');
+}
+
+void
+cowsay_print_string(char *str)
+{
+    int i;
+    int length = strlen(str);
+    putchar(' ');
+    for (i = 0; i < length + 2; i++)
+        putchar('_');
+    printf("\n< ");
+
+    printf("%s", str);
+    putchar(' ');
+
+    printf(">\n ");
+    for (i = 0; i < length + 2; i++)
+        putchar('-');
+    putchar('\n');
+}
+
+void
+cowsay_print_multiline(int argc, char **argv)
+{
+    /* TODO: Add multiline support */
+    cowsay_print_string(MULTILINE_WARNING);
+}
+
+void
+cowsay_print_bubble(int argc, char **argv)
+{
+    int length = cowsay_get_length(argc, argv);
+    if (length < 40)
+        cowsay_print_singleline(argc, argv, length);
+    else
+        cowsay_print_multiline(argc, argv);
+}
+
+void
+cowsay_print_cow(design_t design)
+{
+    printf("        \\   ^__^\n"
+           "         \\  (%s)\\_______\n"
+           "            (__)\\       )\\/\\\n"
+           "             %c  ||----w |\n"
+           "                ||     ||\n",
+           design.eyes, design.tongue);
+}
+
+int
+main(int argc, char **argv)
+{
+    int i;
+    design_t current = { NULL, "oo", ' ' };
+
+    args_shift(1, &argc, &argv);
+
+    if (argc == 1 && strcmp(argv[0], "--version") == 0)
+    {
+        printf("cowsay 1.0 (Fedux release 1.0)\n");
+        printf("Copyright (C) 2012 Federico Pomar & Federico Bond\n");
+        return 0;
+    }
+
+    if (argc == 1 && strcmp(argv[0], "--help") == 0)
+    {
+        /* Texts stolen from the Wikipedia article on cowsay: */
+        /* http://en.wikipedia.org/wiki/Cowsay */
+        printf("Usage: cowsay [OPTION] MESSAGE\n"
+               "Prints a cute cow with the message in a speech bubble.\n\n"
+               "Available designs:\n"
+               "  -b    \"Borg\" mode, uses == in place of oo for the cow eyes.\n"
+               "  -d    \"Dead\", uses XX.\n"
+               "  -g    \"Greedy\", uses $$.\n"
+               "  -p    \"Paranoid\", uses @@.\n"
+               "  -s    \"Stoned\", uses ** to represent bloodshot eyes, plus a descending U to\n"
+               "        represent an extruded tongue.\n"
+               "  -t    \"Tired\", uses --.\n"
+               "  -w    \"Wired\", uses OO.\n"
+               "  -y    \"Youthful\", uses .. to represent smaller eyes.\n\n"
+               "General help available by running 'help' command.\n");
+        return 0;
+    }
+
+    for (i = 0; designs[i].opt != NULL; i++)
+    {
+        if (strcmp(argv[0], designs[i].opt) == 0)
+        {
+            current = designs[i];
+            args_shift(1, &argc, &argv);
+        }
+    }
+
+    if (argc > 0)
+        cowsay_print_bubble(argc, argv);
+    else
+        cowsay_print_string(BLANK_WARNING);
+
+    cowsay_print_cow(current);
+
+    return 0;
+}

diff --git a/Applications/games/fuzix-games.pkg b/Applications/games/fuzix-games.pkg
index c9624f9..a7ae1ea 100644 (file)
--- a/Applications/games/fuzix-games.pkg
+++ b/Applications/games/fuzix-games.pkg
@@ -17,6 +17,7 @@ f 0755 /usr/bin/adv13         adv13
 f 0755 /usr/bin/adv14a        adv14a
 f 0755 /usr/bin/adv14b        adv14b
 f 0755 /usr/bin/advint        advint
+f 0755 /usr/bin/cowsay        cowsay
 f 0755 /usr/bin/fortune       fortune
 f 0755 /usr/bin/fortune-gen   fortune-gen
 f 0755 /usr/bin/myst01        myst01