mirror of
https://github.com/rkd77/elinks.git
synced 2024-10-03 03:56:32 -04:00
185 lines
3.9 KiB
C
185 lines
3.9 KiB
C
/* The localstorage database helper implementation. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sqlite3.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "src/ecmascript/ecmascript.h"
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int
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db_prepare_structure(char *db_name)
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{
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sqlite3_stmt *stmt;
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sqlite3 *db;
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int rc;
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rc = sqlite3_open(db_name, &db);
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if (rc)
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{
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//DBG("Error opening localStorage database.");
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rc=sqlite3_close(db);
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return(-1);
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}
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sqlite3_busy_timeout(db, 2000);
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rc=sqlite3_prepare_v2(db, "CREATE TABLE storage (key TEXT, value TEXT);", -1, &stmt, NULL);
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rc=sqlite3_step(stmt);
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rc=sqlite3_finalize(stmt);
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rc=sqlite3_close(db);
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return(0);
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}
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int
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db_delete_from(char *db_name, const char *key)
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{
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sqlite3_stmt *stmt;
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sqlite3 *db;
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int rc;
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int affected_rows = 0;
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rc = sqlite3_open(db_name, &db);
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if (rc)
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{
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//DBG("Error opening localStorage database.");
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rc=sqlite3_close(db);
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return(-1);
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}
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sqlite3_busy_timeout(db, 2000);
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rc=sqlite3_prepare_v2(db, "DELETE FROM storage WHERE key = ?;", -1, &stmt, NULL);
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rc=sqlite3_bind_text(stmt, 1, key, strlen(key), SQLITE_STATIC);
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rc=sqlite3_step(stmt);
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rc=sqlite3_finalize(stmt);
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affected_rows=sqlite3_changes(db);
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rc=sqlite3_close(db);
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return(affected_rows);
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}
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int
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db_insert_into(char *db_name, const char *key, const char *value)
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{
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sqlite3_stmt *stmt;
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sqlite3 *db;
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int rc;
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int affected_rows = 0;
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rc = sqlite3_open(db_name, &db);
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if (rc) {
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//DBG("Error opening localStorage database.");
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rc=sqlite3_close(db);
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return(-1);
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}
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sqlite3_busy_timeout(db, 2000);
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rc=sqlite3_prepare_v2(db, "INSERT INTO storage (value,key) VALUES (?,?);", -1, &stmt, NULL);
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rc=sqlite3_bind_text(stmt, 1, value, strlen(value), SQLITE_STATIC);
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rc=sqlite3_bind_text(stmt, 2, key, strlen(key), SQLITE_STATIC);
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rc=sqlite3_step(stmt);
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rc=sqlite3_finalize(stmt);
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affected_rows=sqlite3_changes(db);
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rc=sqlite3_close(db);
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return(affected_rows);
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}
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int
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db_update_set(char *db_name, const char *key, const char *value)
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{
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sqlite3_stmt *stmt;
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sqlite3 *db;
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int rc;
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int affected_rows = 0;
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rc = sqlite3_open(db_name, &db);
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if (rc) {
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//DBG("Error opening localStorage database.");
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rc=sqlite3_close(db);
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return(-1);
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}
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sqlite3_busy_timeout(db, 2000);
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rc=sqlite3_prepare_v2(db, "UPDATE storage SET value = ? where key = ?;", -1, &stmt, NULL);
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rc=sqlite3_bind_text(stmt, 1, value, strlen(value), SQLITE_STATIC);
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rc=sqlite3_bind_text(stmt, 2, key, strlen(key), SQLITE_STATIC);
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rc=sqlite3_step(stmt);
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rc=sqlite3_finalize(stmt);
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affected_rows=sqlite3_changes(db);
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rc=sqlite3_close(db);
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return(affected_rows);
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}
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char *
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db_query_by_value(char *db_name, const char *value)
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{
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sqlite3_stmt *stmt;
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sqlite3 *db;
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int rc;
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char *result;
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rc = sqlite3_open(db_name, &db);
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if (rc)
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{
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//DBG("Error opening localStorage database.");
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rc=sqlite3_close(db);
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return stracpy("");
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}
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sqlite3_busy_timeout(db, 2000);
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rc=sqlite3_prepare_v2(db, "SELECT key FROM storage WHERE value = ? LIMIT 1;", -1, &stmt, NULL);
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rc=sqlite3_bind_text(stmt, 1, value, strlen(value), SQLITE_STATIC);
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if (sqlite3_column_text(stmt,1)!= NULL) {
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result=stracpy((const char *)sqlite3_column_text(stmt, 1));
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} else {
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result=stracpy("");
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}
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rc=sqlite3_finalize(stmt);
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rc=sqlite3_close(db);
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return(result);
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}
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char *
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db_query_by_key(char *db_name, const char *key)
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{
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sqlite3_stmt *stmt;
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sqlite3 *db;
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int rc;
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char *result;
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rc = sqlite3_open(db_name, &db);
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if (rc)
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{
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//DBG("Error opening localStorage database.");
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rc=sqlite3_close(db);
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return nullptr;
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}
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sqlite3_busy_timeout(db, 2000);
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rc=sqlite3_prepare_v2(db, "SELECT * FROM storage WHERE key = ? LIMIT 1;", -1, &stmt, NULL);
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rc=sqlite3_bind_text(stmt, 1, key, strlen(key), SQLITE_STATIC);
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rc=sqlite3_step(stmt);
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if (sqlite3_column_text(stmt,1)!= NULL) {
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result=stracpy((const char *)sqlite3_column_text(stmt, 1));
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} else {
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result = nullptr;
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}
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rc=sqlite3_finalize(stmt);
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rc=sqlite3_close(db);
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return(result);
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}
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