From b03364e3d92a9ab20943731a9a118847bba822ef Mon Sep 17 00:00:00 2001
From: _N3m0 <n3m0o7@hotmail.com>
Date: Sun, 31 Dec 2023 14:54:14 +0100
Subject: [PATCH] init lexer

---
 Makefile |  2 +-
 lexer.c  | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 lexer.h  | 30 ++++++++++++++++++++++++++
 main.c   |  8 +++++++
 4 files changed, 103 insertions(+), 1 deletion(-)
 create mode 100644 lexer.c
 create mode 100644 lexer.h

diff --git a/Makefile b/Makefile
index b0e912a..bff4e71 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 BIN=webpage
-SRCS=main.c config.c page.c
+SRCS=main.c config.c page.c lexer.c
 INC=.
 LIB=curl
 FLAGS=-Wall -Wextra -Og -g
diff --git a/lexer.c b/lexer.c
new file mode 100644
index 0000000..c5da1d9
--- /dev/null
+++ b/lexer.c
@@ -0,0 +1,64 @@
+#include "lexer.h"
+#include "page.h"
+#include <string.h>
+
+Cursor cursor = {
+  .chunk = 0,
+  .offset = 0,
+};
+
+char* nextchar(void){
+  if (page.chunks[cursor.chunk][cursor.offset+1] == '\0'){
+    cursor.chunk++;
+    cursor.offset = 0;
+  } else {
+    cursor.offset++;
+  }
+
+  return &page.chunks[cursor.chunk][cursor.offset];
+}
+
+Token* nexttoken(void){
+  Token* token = malloc(sizeof(Token));
+  token->type = NO_TYPE;
+
+  /*
+  while (nextchar() == '<');
+
+  char c = '\0';
+  do {
+    c = nextchar();
+    printf("%c", c);;
+  } while (c != '>');
+  puts("");
+  */
+
+  puts("");
+  for (int i=0; i<200; i++){
+    printf("%c", *nextchar());
+  }
+  puts("");
+
+  return token;
+}
+
+void printtoken(Token* token){
+  switch (token->type) {
+    case END_BODY:
+      printf("END_BODY: ");
+      break;
+    case NO_TYPE:
+      printf("NO_TYPE: ");
+      break;
+    default:
+      printf("OTHER_TOKEN: ");
+      break;
+  }
+
+  if (token->value == NULL){
+    puts("NO VALUE FOUND");
+    return;
+  }
+
+  printf("%s\n", token->value);
+}
diff --git a/lexer.h b/lexer.h
new file mode 100644
index 0000000..402b36d
--- /dev/null
+++ b/lexer.h
@@ -0,0 +1,30 @@
+#ifndef LEXER_H
+#define LEXER_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef enum TokenType {
+  NO_TYPE,
+  TEXT,
+  BODY,
+  END_BODY,
+  UL, LI,
+  H1, H2, H3, H4, H5, H6,
+} TokenType;
+
+typedef struct Token {
+  TokenType type;
+  char* value;
+} Token;
+
+typedef struct Cursor {
+  int chunk;
+  int offset;
+} Cursor;
+
+Token* nexttoken(void);
+
+void printtoken(Token* token);
+
+#endif // LEXER_H
diff --git a/main.c b/main.c
index 66bd484..1a8cbcd 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,6 @@
 #include "config.h"
 #include "page.h"
+#include "lexer.h"
 
 int main(int argc, char* argv[]){
 
@@ -8,5 +9,12 @@ int main(int argc, char* argv[]){
 
   printPage();
 
+  Token* token;
+  do{
+    token = nexttoken();
+    printtoken(token);
+    //parse(token);
+  } while (token->type != NO_TYPE);
+
   return 0;
 }