ascii-gen

commit 0cd317758c4d173d04789a15364cd074ec893d7a
parent 551440fd1dd49aea04e3f8c38d7cf8156d07124a
Author: Jake Koroman <jakekoroman@gmail.com>
Date:   Tue,  8 Oct 2024 14:18:12 -0400

ascii_gen.c: updated formatting and added inverted option.

Diffstat:
M
ascii_gen.c
 | 
147
++++++++++++++++++++++++++++++++++++++++++-------------------------------------

1 file changed, 79 insertions(+), 68 deletions(-)
diff --git a/ascii_gen.c b/ascii_gen.c
@@ -20,6 +20,7 @@ typedef uint8_t uint8;
 #define SET_LONG "$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\\|()1{}[]?-_+~<>i!lI;:,\"^`'. "
 #define SET_SIZE_LONG 70
 #define SET_SHORT "@%#*+=-:. "
+#define SET_SHORT_INVERTED " .:-=+*#%@"
 #define SET_SIZE_SHORT 10
 
 typedef enum {
@@ -36,6 +37,7 @@ typedef struct {
     int set_size;
     int scale;
     bool debug;
+	bool inverted;
 } Options;
 
 internal inline int
@@ -54,6 +56,7 @@ print_docs(const char *fname)
     printf("  -S: The character set that will be used to generate the output, defaults to the builtin 'short' character set\n");
     printf("  -l: Uses the builtin 'long' character set for generating the output\n");
     printf("  -t: Uses the builtin 'short' character set for generating the output\n");
+    printf("  -i: Uses the builtin 'short' character set but inverted\n");
     printf("  -v: Shows debug info\n");
 }
 
@@ -65,82 +68,90 @@ parse_args(int argc, char **argv, Options *options)
     int opt;
     options->scale = 1;
     
-    while ((opt = getopt(argc, argv, ":o:hls:S:vc")) != -1)
+    while ((opt = getopt(argc, argv, ":o:hls:S:vic")) != -1)
     {
         switch (opt)
         {
-            case 'o':
-            {
-                strncpy(options->out_file, optarg, BUF_CAP);
-            } break; 
-
-            case 'h':
-            {
-                print_docs(argv[0]);
-                exit(0);
-            } break;
-
-            case 's':
-            {
-                options->scale = atoi(optarg);
-                if (options->scale == 0) {
-                    fprintf(stderr, "Invalid scale '%s'\n", optarg);
-                    exit(69);
-                }
-            } break;    
-
-            case 'v':
-            {
-                options->debug = true;
-            } break;    
-
-            case 'l':
-            {
-                options->set_type = SET_TYPE_LONG;
-                options->set_size = SET_SIZE_LONG;
-                strncpy(options->set, SET_LONG, BUF_CAP);
-            } break;
-
-            case 't':  // 't' for tiny I guess? wanted to keep 's' for scale
-            {
-                // Redundant because it will default to short but sometimes
-                // it's nice to request it even though its default.
-                options->set_type = SET_TYPE_SHORT;
-            } break;
-
-            case 'S':
-            {
-                int size = strnlen(optarg, BUF_CAP);
-
-                options->set_size = size;
-                options->set_type = SET_TYPE_CUSTOM;
-                strncpy(options->set, optarg, size);
-				printf("sizeof input: %d\n", size);
-            } break;
-
-            case '?':
-            {
-                printf("Unknown Option: %c\n", optopt);
-                exit(69);
-            } break;
-
-            case ':':
-            {
-                printf("Missing arg for %c\n", optopt);
-                exit(69);
-            } break;
-
-            default:
-            {
-                printf("Something broke\n");
-                break;
-            }
+		case 'o':
+		{
+			strncpy(options->out_file, optarg, BUF_CAP);
+		} break; 
+
+		case 'h':
+		{
+			print_docs(argv[0]);
+			exit(0);
+		} break;
+
+		case 's':
+		{
+			options->scale = atoi(optarg);
+			if (options->scale == 0) {
+				fprintf(stderr, "Invalid scale '%s'\n", optarg);
+				exit(69);
+			}
+		} break;    
+
+		case 'v':
+		{
+			options->debug = true;
+		} break;    
+
+		case 'l':
+		{
+			options->set_type = SET_TYPE_LONG;
+			options->set_size = SET_SIZE_LONG;
+			strncpy(options->set, SET_LONG, BUF_CAP);
+		} break;
+
+		case 't':  // 't' for tiny I guess? wanted to keep 's' for scale
+		{
+			// Redundant because it will default to short but sometimes
+			// it's nice to request it even though its default.
+			options->set_type = SET_TYPE_SHORT;
+		} break;
+
+		case 'i':
+		{
+			options->inverted = true;
+		} break;
+
+		case 'S':
+		{
+			int size = strnlen(optarg, BUF_CAP);
+
+			options->set_size = size;
+			options->set_type = SET_TYPE_CUSTOM;
+			strncpy(options->set, optarg, size);
+			printf("sizeof input: %d\n", size);
+		} break;
+
+		case '?':
+		{
+			printf("Unknown Option: %c\n", optopt);
+			exit(69);
+		} break;
+
+		case ':':
+		{
+			printf("Missing arg for %c\n", optopt);
+			exit(69);
+		} break;
+
+		default:
+		{
+			printf("Something broke\n");
+			break;
+		}
         }
     }
 
     if (options->set_type == SET_TYPE_SHORT) {
         options->set_size = SET_SIZE_SHORT;
-        strncpy(options->set, SET_SHORT, BUF_CAP);
+		if (options->inverted)
+			strncpy(options->set, SET_SHORT_INVERTED, BUF_CAP);
+		else
+			strncpy(options->set, SET_SHORT, BUF_CAP);
     }
 
     if (optind < argc) {