Scratching out parsers

tools/blisp/src/file_parsers/bin/bin_file.h

@@ -0,0 +1,25 @@
+//
+// Created by ralim on 01/08/23.
+//
+
+#ifndef BLISP_BIN_FILE_H
+#define BLISP_BIN_FILE_H
+
+#include <malloc.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int bin_file_parse(const char* file_path_on_disk,
+                   uint8_t** payload,
+                   size_t* payload_length,
+                   size_t* payload_address);
+#ifdef __cplusplus
+};
+#endif
+
+#endif  // BLISP_BIN_FILE_H

tools/blisp/src/file_parsers/parse_file.c

@@ -1,7 +1,29 @@
 #include "parse_file.h"
+#include <string.h>
+#include "dfu_file.h"
+
+const char* get_filename_ext(const char* filename) {
+  const char* dot = strrchr(filename, '.');
+  if (!dot || dot == filename)
+    return "";
+  return dot + 1;
+}
 
 int parse_firmware_file(const char* file_path_on_disk,
                         parsed_firmware_file_t* parsed_results) {
   // Switchcase on the extension of the file
+  const char* ext = get_filename_ext(file_path_on_disk);
 
+  if (strncmp(ext, "dfu", 3) == 0 || strncmp(ext, "DFU", 3) == 0) {
+    printf("Input file identified as a .dfu file\r\n");
+    // Handle as a .dfu file
+    return dfu_file_parse("test.dfu", &parsed_results->payload,
+                          &parsed_results->payload_length,
+                          &parsed_results->payload_address);
+  } else if (strncmp(ext, "bin", 3) == 0 || strncmp(ext, "BIN", 3) == 0) {
+    printf("Input file identified as a .bin file\r\n");
+    // Raw binary file
+  }
+  // TODO: Hex files?
+  return PARSED_ERROR_INVALID_FILETYPE;
 }

tools/blisp/src/file_parsers/parse_file.h

@@ -1,8 +1,9 @@
 #pragma once
 #include "parsed_firmware_file.h"
 
-#define PARSED_ERROR_TOO_BIG = -0x1000 /* Input expands to be too big */
+#define PARSED_ERROR_INVALID_FILETYPE -0x1000
-#define PARSED_ERROR_BAD_DFU = -0x1001 /* DFU file provided but not valid */
+#define PARSED_ERROR_TOO_BIG -0x1001 /* Input expands to be too big */
+#define PARSED_ERROR_BAD_DFU -0x1002 /* DFU file provided but not valid */
 
 // This attempts to parse the given file, and returns the parsed version of that
 // file. This will handle any repacking required to create one contigious file