From fc26d6542276e17f3206a00b996162397d875e93 Mon Sep 17 00:00:00 2001
From: "Gabriel A. Giovanini" <mail@gabrielgio.me>
Date: Mon, 12 Feb 2024 13:34:56 +0100
Subject: feat: Initial commit

Add initial code form dealing with sqlite.
---
 data.c | 183 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 data.c

(limited to 'data.c')

diff --git a/data.c b/data.c
new file mode 100644
index 0000000..5a9a103
--- /dev/null
+++ b/data.c
@@ -0,0 +1,183 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "data.h"
+
+const char *insert_into = "INSERT INTO words (LINE) VALUES($VVV);";
+const char *select_words = "SELECT Id, Line FROM words LIMIT 10;";
+const char *create_table =  "CREATE TABLE IF NOT EXISTS words (ID INTEGER PRIMARY KEY AUTOINCREMENT, LINE TEXT NOT NULL);";
+
+Data* new_data(const char* con) {
+    Data* data = (Data*)malloc(sizeof(Data));
+
+    int v = sqlite3_open(con, &(data->db));
+    if (v == SQLITE_OK) {
+        return data;
+    }
+
+    print_result_code(v);
+    return NULL;
+}
+
+
+void free_data(Data* data) {
+    sqlite3_close(data->db);
+    free(data);
+}
+
+void insert(Data* data, char* line) {
+    sqlite3_stmt *stmt; 
+    int r = sqlite3_prepare_v2(data->db, insert_into, -1, &stmt, NULL);
+
+    if (r != SQLITE_OK) {
+        printf("Error executing insert: ");
+        print_result_code(r);
+        printf("\n");
+        return;
+    }
+
+    // binds the paremets to the statement, in this case the line;
+    sqlite3_bind_text(stmt, 1, line, -1, NULL);
+
+    int c = sqlite3_step(stmt);
+    if (c != SQLITE_DONE) {
+        printf("Error executing insert: ");
+        print_result_code(r);
+        printf("\n");
+    }
+}
+
+void bootstrap(Data* data) {
+    sqlite3_stmt *stmt; 
+    int r = sqlite3_prepare_v2(data->db, create_table, -1, &stmt, NULL);
+
+    if (r != SQLITE_OK) {
+        printf("Error preparing bootstrap: ");
+        print_result_code(r);
+        printf("\n");
+        return;
+    }
+
+    int c = sqlite3_step(stmt);
+    if (c != SQLITE_DONE) {
+        printf("Error executing bootstrap: ");
+        print_result_code(r);
+        printf("\n");
+    }
+}
+
+LIST* select(Data* data) {
+    sqlite3_stmt *stmt; 
+    int r = sqlite3_prepare_v2(data->db, select_words, -1, &stmt, NULL);
+
+    if (r != SQLITE_OK) {
+        printf("Error executing select: ");
+        print_result_code(r);
+        printf("\n");
+        return NULL;
+    }
+
+    LIST *list = NULL;
+
+    int m =  sqlite3_step(stmt);
+    while(m == SQLITE_ROW) {
+        Word *word = (Word*)malloc(sizeof(Word));
+
+        int id = sqlite3_column_int(stmt, 0);
+        const unsigned char *line = sqlite3_column_text(stmt, 1);
+
+        word->Id = id;
+        word->Line = line;
+        list = list_add(list, word);
+
+        m = sqlite3_step(stmt);
+    }
+
+    sqlite3_finalize(stmt);
+
+    return list;
+}
+
+void print_result_code(int code) {
+    switch(code) {
+        // Primary result code
+        case SQLITE_ABORT:
+            printf("SQLITE_ABORT");
+            break;
+        case SQLITE_AUTH:
+            printf("SQLITE_AUTH");
+            break;
+        case SQLITE_BUSY:
+            printf("SQLITE_BUSY");
+            break;
+        case SQLITE_CANTOPEN:
+            printf("SQLITE_CANTOPEN");
+            break;
+        case SQLITE_CONSTRAINT:
+            printf("SQLITE_CONSTRAINT");
+            break;
+        case SQLITE_CORRUPT:
+            printf("SQLITE_CORRUPT");
+            break;
+        case SQLITE_DONE:
+            printf("SQLITE_DONE");
+            break;
+        case SQLITE_EMPTY:
+            printf("SQLITE_EMPTY");
+            break;
+        case SQLITE_ERROR:
+            printf("SQLITE_ERROR");
+            break;
+        case SQLITE_FORMAT:
+            printf("SQLITE_FORMAT");
+            break;
+        case SQLITE_INTERNAL:
+            printf("SQLITE_INTERNAL");
+            break;
+        case SQLITE_INTERRUPT:
+            printf("SQLITE_INTERRUPT");
+            break;
+        case SQLITE_IOERR:
+            printf("SQLITE_IOERR");
+            break;
+        case SQLITE_LOCKED:
+            printf("SQLITE_LOCKED");
+            break;
+        case SQLITE_MISMATCH:
+            printf("SQLITE_MISMATCH");
+            break;
+        case SQLITE_MISUSE:
+            printf("SQLITE_MISUSE");
+            break;
+        case SQLITE_NOLFS:
+            printf("SQLITE_NOLFS");
+            break;
+        case SQLITE_NOMEM:
+            printf("SQLITE_NOMEM");
+            break;
+        case SQLITE_NOTADB:
+            printf("SQLITE_NOTADB");
+            break;
+        case SQLITE_NOTFOUND:
+            printf("SQLITE_NOTFOUND");
+            break;
+        case SQLITE_NOTICE:
+            printf("SQLITE_NOTICE");
+            break;
+        case SQLITE_OK:
+            printf("SQLITE_OK");
+            break;
+        case SQLITE_PERM:
+            printf("SQLITE_PERM");
+            break;
+        case SQLITE_SCHEMA:
+            printf("SQLITE_SCHEMA");
+            break;
+        case SQLITE_TOOBIG:
+            printf("SQLITE_TOOBIG");
+            break;
+        case SQLITE_WARNING:
+            printf("SQLITE_WARNING");
+            break;
+    }
+}
-- 
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