From 9847614871e861c216425b95a8300dba37b0f6e6 Mon Sep 17 00:00:00 2001
From: grm <grm@eyesin.space>
Date: Sun, 2 Mar 2025 13:53:54 +0200
Subject: Also improve midi and add tt for templating

---
 src/tt.c | 124 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/tt.c

(limited to 'src/tt.c')

diff --git a/src/tt.c b/src/tt.c
new file mode 100644
index 0000000..01c9614
--- /dev/null
+++ b/src/tt.c
@@ -0,0 +1,124 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+
+#define DEFAULT_DELIMITER "$"
+
+void compile_c_code(char * s) {
+  printf("%.*s\n", (int) strlen(s), s);
+}
+
+void compile_byte_array(char * s) {
+  printf("write(OUT, \"");
+  uint64_t slen = strlen(s);
+  for (uint64_t i = 0; i < slen; ++i) {
+    printf("\\x%02x", s[i]);
+  }
+  printf("\", %lu);\n", strlen(s));
+}
+
+char *read_file_to_string(const char *filename) {
+  FILE *file = fopen(filename, "rb");
+  if (!file) {
+    perror("Error opening file");
+    return NULL;
+  }
+
+  fseek(file, 0, SEEK_END);
+  long file_size = ftell(file);
+  rewind(file);
+
+  char *buffer = (char *)malloc(file_size + 1);
+  if (!buffer) {
+    perror("Memory allocation failed");
+    fclose(file);
+    return NULL;
+  }
+
+  fread(buffer, 1, file_size, file);
+  buffer[file_size] = '\0';
+
+  fclose(file);
+  return buffer;
+}
+
+#define CHARSET_SIZE 128  // Covering standard ASCII characters
+
+int print_good_delimiters(const char * s) {
+    int seen[CHARSET_SIZE] = {0};  // Array to track seen characters
+
+    size_t len = strlen(s);
+    for (size_t i = 0; i < len; i++) {
+      if (s[i] >= 0 && (int)s[i] < CHARSET_SIZE) {
+        seen[(int)s[i]] = 1;
+      }
+    }
+
+    // Define the characters to check: A-Za-z0-9 and common symbols
+    char *valid_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()-_=+[{]}\\|;:'\",<.>/?`~";
+
+    int flag = 0;
+    printf("Good options for delimiters:\n");
+    for (int i = 0; valid_chars[i] != '\0'; i++) {
+        if (!seen[(unsigned char)valid_chars[i]]) {
+          putchar(valid_chars[i]);
+          flag++;
+        }
+    }
+    if (!flag) {
+      printf(" :( none found, compromises shall be made");
+    }
+    putchar('\n');
+
+    return 0;
+}
+
+
+int main(int argc, char *argv[])
+{
+  if (argc < 2) {
+    fprintf(stderr, "Usage: %s <template> [delim|-d] [> OUTPUT]\n", argv[0]);
+    return 1;
+  }
+
+  const char *filepath = argv[1];
+  char *template = read_file_to_string(filepath);
+  if (!template) return 1;
+
+  if (argc > 2 && 0 == strcmp(argv[2], "-d")) {
+    print_good_delimiters(template);
+    exit(0);
+  }
+
+  char delim[1024] = DEFAULT_DELIMITER;
+  if (argc > 2) {
+    strcpy(delim, argv[2]);
+  }
+
+
+  int c_code_mode = 1;
+  for (int i = 0; delim[i] != '\0'; i++) {
+    if (template[i] != delim[i]) {
+      c_code_mode = 0;
+      break;
+    }
+  }
+
+  char *token = strtok(template, delim);
+  while (token) {
+    if (c_code_mode) {
+      compile_c_code(token);
+    } else {
+      compile_byte_array(token);
+    }
+    c_code_mode = !c_code_mode;
+
+    token = strtok(NULL, delim);
+  }
+
+  free(template);
+  return 0;
+}
-- 
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