From 73efe8f2d78c780ddf8be80909572807fab71ef7 Mon Sep 17 00:00:00 2001
From: bpc2003 <wpesfriendnva@gmail.com>
Date: Thu, 6 Mar 2025 15:24:31 -0500
Subject: Got started on parser

---
 src/include/parser.h | 22 ++++++++++++++++++++++
 src/main.c           | 11 ++++++-----
 src/parser.c         | 44 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+), 5 deletions(-)
 create mode 100644 src/include/parser.h
 create mode 100644 src/parser.c

(limited to 'src')

diff --git a/src/include/parser.h b/src/include/parser.h
new file mode 100644
index 0000000..f4a6c77
--- /dev/null
+++ b/src/include/parser.h
@@ -0,0 +1,22 @@
+#ifndef PARSER_H
+#define PARSER_H
+
+extern int blen;
+
+enum btype {
+  BEGIN = 1,
+  END, OBJ,
+
+  COLON,
+
+  IDENTIFIER, VALUE
+};
+
+struct byte {
+  enum btype type;
+  char *value;
+};
+
+struct byte *parse(unsigned char *buf);
+
+#endif
diff --git a/src/main.c b/src/main.c
index 8e4bab4..64c5de2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3,6 +3,7 @@
 #include <stdint.h>
 
 #include "include/fileops.h"
+#include "include/parser.h"
 
 int main(int argc, char **argv)
 {
@@ -13,12 +14,12 @@ int main(int argc, char **argv)
   uint8_t *buf = readdb(filename);
   if (buf == NULL)
     exit(0);
-
-  printf("[ ");
-  for (int i = 0; buf[i]; ++i) {
-    printf("%d ", buf[i]);
+  struct byte *bytes = parse(buf);
+  for (int i = 0; i < blen; ++i) {
+    printf("%d\n", bytes[i].type);
   }
-  printf("]\n");
+
+  free(bytes);
   free(buf);
   exit(0);
 }
diff --git a/src/parser.c b/src/parser.c
new file mode 100644
index 0000000..4cd26fa
--- /dev/null
+++ b/src/parser.c
@@ -0,0 +1,44 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "include/parser.h"
+
+int blen;
+
+static void addbyte(struct byte *bytes, int *pos, enum btype type, char *value);
+
+struct byte *parse(uint8_t *buf)
+{
+  int len = 2;
+  struct byte *bytes = calloc(len, sizeof(struct byte));
+  for (int i = 0, j = 0; buf[i]; ++i) {
+    if (j >= len)
+      len *= 2;
+      bytes = realloc(bytes, len * sizeof(struct byte));
+    switch (buf[i]) {
+      case '\xb':
+        addbyte(bytes, &j, BEGIN, NULL);
+        break;
+      case '\xe':
+        addbyte(bytes, &j, END, NULL);
+        break;
+    }
+    blen = j;
+  }
+  return bytes;
+}
+
+static void addbyte(struct byte *bytes, int *pos, enum btype type, char *value)
+{
+  bytes[*pos].type = type;
+  
+  if (value != NULL) {
+    bytes[*pos].value = calloc(strlen(value) + 1, sizeof(char));
+    strcpy(bytes[*pos].value, value);
+  }
+  else
+    bytes[*pos].value = NULL;
+  
+  (*pos)++;
+}
-- 
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