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https://github.com/LadybirdBrowser/ladybird.git
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0a55749a39
We've adopted a stance that paths should be ByteStrings rather than UTF-8 strings, so apply that to the Ladybird helpers.
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* Copyright (c) 2022-2023, Tim Flynn <trflynn89@serenityos.org>
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* Copyright (c) 2023, Jelle Raaijmakers <jelle@gmta.nl>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/Function.h>
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#include <AK/HashMap.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/Optional.h>
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#include <AK/RefCounted.h>
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#include <AK/StringView.h>
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#include <AK/Vector.h>
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#include <LibCore/Promise.h>
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#include <LibSQL/SQLClient.h>
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#include <LibSQL/Type.h>
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#include <LibSQL/Value.h>
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namespace WebView {
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class Database : public RefCounted<Database> {
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using OnResult = Function<void(ReadonlySpan<SQL::Value>)>;
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using OnComplete = Function<void()>;
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using OnError = Function<void(StringView)>;
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public:
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static ErrorOr<NonnullRefPtr<Database>> create();
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#if !defined(AK_OS_SERENITY)
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static ErrorOr<NonnullRefPtr<Database>> create(Vector<ByteString> candidate_sql_server_paths);
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#endif
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ErrorOr<SQL::StatementID> prepare_statement(StringView statement);
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template<typename... PlaceholderValues>
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void execute_statement(SQL::StatementID statement_id, OnResult on_result, OnComplete on_complete, OnError on_error, PlaceholderValues&&... placeholder_values)
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{
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auto sync_promise = Core::Promise<Empty>::construct();
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PendingExecution pending_execution {
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.on_result = move(on_result),
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.on_complete = [sync_promise, on_complete = move(on_complete)] {
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if (on_complete)
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on_complete();
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sync_promise->resolve({}); },
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.on_error = [sync_promise, on_error = move(on_error)](auto message) {
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if (on_error)
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on_error(message);
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sync_promise->resolve({}); },
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};
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Vector<SQL::Value> values { SQL::Value(forward<PlaceholderValues>(placeholder_values))... };
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execute_statement(statement_id, move(values), move(pending_execution));
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MUST(sync_promise->await());
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}
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private:
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static ErrorOr<NonnullRefPtr<Database>> create(NonnullRefPtr<SQL::SQLClient>);
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struct ExecutionKey {
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constexpr bool operator==(ExecutionKey const&) const = default;
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SQL::StatementID statement_id { 0 };
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SQL::ExecutionID execution_id { 0 };
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};
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struct PendingExecution {
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OnResult on_result { nullptr };
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OnComplete on_complete { nullptr };
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OnError on_error { nullptr };
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};
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struct ExecutionKeyTraits : public Traits<ExecutionKey> {
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static constexpr unsigned hash(ExecutionKey const& key)
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{
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return pair_int_hash(u64_hash(key.statement_id), u64_hash(key.execution_id));
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}
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};
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Database(NonnullRefPtr<SQL::SQLClient> sql_client, SQL::ConnectionID connection_id);
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void execute_statement(SQL::StatementID statement_id, Vector<SQL::Value> placeholder_values, PendingExecution pending_execution);
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template<typename ResultData>
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auto take_pending_execution(ResultData const& result_data)
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{
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return m_pending_executions.take({ result_data.statement_id, result_data.execution_id });
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}
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NonnullRefPtr<SQL::SQLClient> m_sql_client;
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SQL::ConnectionID m_connection_id { 0 };
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HashMap<ExecutionKey, PendingExecution, ExecutionKeyTraits> m_pending_executions;
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};
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}
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