From a9cb228861a6b0fad4d508c05c0614757a7f0a34 Mon Sep 17 00:00:00 2001
From: nasr <nsrddyn@gmail.com>
Date: Mon, 13 Apr 2026 14:58:49 +0200
Subject: refactor(main): refactor directory structure

---
 source/tb_db.c | 198 ---------------------------------------------------------
 1 file changed, 198 deletions(-)
 delete mode 100644 source/tb_db.c

(limited to 'source/tb_db.c')

diff --git a/source/tb_db.c b/source/tb_db.c
deleted file mode 100644
index cfa26b1..0000000
--- a/source/tb_db.c
+++ /dev/null
@@ -1,198 +0,0 @@
-#define BTREE_IMPLEMENTATION
-#define BASE_UNITY
-#include "base/base_include.h"
-
-internal b32
-is_alpha(u8 point)
-{
-    return ((point >= 'a' && point <= 'z') || (point >= 'A' && point <= 'Z') || (point == '_'));
-}
-
-internal b32
-is_digit(u8 point)
-{
-    return (point >= '0' && point <= '9');
-}
-
-internal b32
-is_alpha_num(u8 point)
-{
-    return (is_alpha(point) || is_digit(point));
-}
-
-internal b32
-is_whitespace(u8 point)
-{
-    return (point == '\n' || point == '\r' || point == ' ' || point == '\t');
-}
-
-internal b32
-is_delimiter(u8 point)
-{
-    return (point == ',');
-}
-
-#include "btree_impl.h"
-#include "csv_decoder.h"
-
-typedef struct query_token query_token;
-struct query_token
-{
-    string8      lexeme;
-    query_token  *next;
-};
-
-typedef struct query_token_list query_token_list;
-struct query_token_list
-{
-    query_token *start_token;
-    query_token *current_token;
-};
-
-read_only global_variable
-query_token nil_query_token =
-{
-    .lexeme = {.data = NULL, .size = 0},
-    .next = &nil_query_token
-};
-
-
-read_only global_variable
-query_token_list nil_query_token_list =
-{
-    .start_token = &nil_query_token,
-    .current_token = &nil_query_token,
-};
-
-internal b32
-is_nil_query_token(query_token *token)
-{
-    return (token == &nil_query_token) || (token == NULL);
-}
-
-internal b32
-is_nil_query_token_list(query_token *token)
-{
-    return (token == &nil_query_token) || (token == NULL);
-}
-
-// takes on line of the repl input
-// return a reference to the passed list
-internal query_token_list *
-query_tokenizer(mem_arena *arena, string8 *buffer, query_token_list *list)
-{
-    b32 initialized = 0;
-    unused(initialized);
-
-    for (u64 index = 0; index < buffer->size; ++index)
-    {
-        u8 codepoint = buffer->data[index];
-
-        if(codepoint == '\n' || codepoint == '\r') break;
-
-        s32 start   = 0; 
-        s32 end     = 0; 
-
-        if(is_whitespace(codepoint)) end = index; 
-
-        // save the token
-        // TODO(nasr): work on the string macros cuz no work
-        {
-            query_token *new_token = PushStruct(arena, query_token);
-
-            //- initialize list
-            {
-                if(is_nil_query_token(list->start_token))
-                {
-                    list->start_token   = new_token;
-                    list->current_token = new_token; 
-                }
-                else 
-                {
-                    //- all we need to do - we dont track parents or what ever. this is a token stream not a tree
-                    list->current_token->next = new_token;
-                }
-            }
-
-            s32 new_token_size = end - start;
-
-            new_token->lexeme = PushString(arena, new_token_size);
-            new_token->lexeme.data = &buffer->data[index]; 
-            new_token->lexeme.size = new_token_size;
-
-            list->current_token->next = new_token;
-
-            start = index + 1;
-        }
-    }
-
-    return list;
-}
-
-int main(int count, char **value)
-{
-#if 1
-    unused(nil_query_token_list);
-#endif
-
-    if(count < 2) value[1] = "./test/data.csv";
-
-    local_persist b32 running = 1;
-
-    mem_arena *global_arena = arena_create(GiB(1));
-
-    string8 buffer = load_file(global_arena, value[1]);
-
-    // NOTE(nasr): the use of tables is required for tracking headers etc.
-    // i think we can optimize this away in the future but for now its fine
-    csv_table      *table      = PushStructZero(global_arena, csv_table);
-    csv_token_list *token_list = PushStructZero(global_arena, csv_token_list);
-
-    token_list->start_token = &nil_csv_token; 
-    token_list->end_token   = &nil_csv_token;   
-
-    csv_token *tokens = tokenize_csv(buffer, global_arena, table, token_list);
-    assert_msg(tokens != NULL, "tokens are null");
-
-    // NOTE(nasr): token_list is now populated — pass it directly, not a fresh empty list
-    btree *bt = parse_csv(global_arena, token_list, table);
-
-    print("\nDatabase Engine\n");
-
-    for(;;)
-    {
-        if(running)
-        {
-            u8  *lbuf     = PushArray(global_arena, u8, 256);
-            s32  err      = os_read(STDIN_FD, lbuf, 256);
-
-            if(err < 0)
-            {
-                print("error reading from stdin");
-            }
-
-            // TODO(nasr): extract this later in the future and make a string copy function/macro
-            // @params (s32 lbuf_size, string8 lbuf_stringified)
-            // NOTE(nasr): use err (bytes read) not sizeof(lbuf*) — sizeof a pointer is always 8
-            s32     lbuf_size       = err;
-            string8 lbuf_stringified = PushString(global_arena, lbuf_size);
-            {
-                memcpy(lbuf_stringified.data, lbuf, lbuf_size);
-                lbuf_stringified.size = lbuf_size;
-            }
-
-            query_token_list *qtl = PushStructZero(global_arena, query_token_list);
-
-
-            query_tokenizer(global_arena, &lbuf_stringified, qtl);
-
-            // TODO(nasr): dispatch qtl against bt here
-
-            unused(bt);
-
-            sleep(1);
-        }
-    }
-
-    return 0;
-}
-- 
cgit v1.3