File: V8SQLTransactionCustom.cpp

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/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "bindings/modules/v8/V8SQLTransaction.h"

#include "bindings/core/v8/ExceptionMessages.h"
#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/V8Binding.h"
#include "bindings/modules/v8/V8SQLStatementCallback.h"
#include "bindings/modules/v8/V8SQLStatementErrorCallback.h"
#include "core/dom/ExceptionCode.h"
#include "modules/webdatabase/sqlite/SQLValue.h"
#include "wtf/Vector.h"

using namespace WTF;

namespace blink {

void V8SQLTransaction::executeSqlMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    ExceptionState exceptionState(ExceptionState::ExecutionContext, "executeSql", "SQLTransaction", info.Holder(), info.GetIsolate());
    if (!info.Length()) {
        exceptionState.throwDOMException(SyntaxError, ExceptionMessages::notEnoughArguments(1, 0));
        exceptionState.throwIfNeeded();
        return;
    }

    TOSTRING_VOID(V8StringResource<>, statement, info[0]);

    Vector<SQLValue> sqlValues;

    if (info.Length() > 1 && !isUndefinedOrNull(info[1])) {
        if (!info[1]->IsObject()) {
            exceptionState.throwDOMException(TypeMismatchError, "The 'arguments' (2nd) argument provided is not an object.");
            exceptionState.throwIfNeeded();
            return;
        }

        uint32_t sqlArgsLength = 0;
        v8::Local<v8::Object> sqlArgsObject = info[1]->ToObject(info.GetIsolate());
        TONATIVE_VOID(v8::Local<v8::Value>, length, sqlArgsObject->Get(v8AtomicString(info.GetIsolate(), "length")));

        if (isUndefinedOrNull(length))
            sqlArgsLength = sqlArgsObject->GetPropertyNames()->Length();
        else
            sqlArgsLength = length->Uint32Value();

        for (unsigned i = 0; i < sqlArgsLength; ++i) {
            v8::Local<v8::Integer> key = v8::Integer::New(info.GetIsolate(), i);
            TONATIVE_VOID(v8::Local<v8::Value>, value, sqlArgsObject->Get(key));

            if (value.IsEmpty() || value->IsNull()) {
                sqlValues.append(SQLValue());
            } else if (value->IsNumber()) {
                TONATIVE_VOID(double, sqlValue, value->NumberValue());
                sqlValues.append(SQLValue(sqlValue));
            } else {
                TOSTRING_VOID(V8StringResource<>, sqlValue, value);
                sqlValues.append(SQLValue(sqlValue));
            }
        }
    }

    SQLTransaction* transaction = V8SQLTransaction::toImpl(info.Holder());
    SQLStatementCallback* callback;
    if (!isUndefinedOrNull(info[2])) {
        if (!info[2]->IsFunction()) {
            exceptionState.throwDOMException(TypeMismatchError, "The 'callback' (2nd) argument provided is not a function.");
            exceptionState.throwIfNeeded();
            return;
        }
        callback = V8SQLStatementCallback::create(v8::Local<v8::Function>::Cast(info[2]), ScriptState::current(info.GetIsolate()));
    } else {
        callback = nullptr;
    }

    SQLStatementErrorCallback* errorCallback;
    if (!isUndefinedOrNull(info[3])) {
        if (!info[3]->IsFunction()) {
            exceptionState.throwDOMException(TypeMismatchError, "The 'errorCallback' (3rd) argument provided is not a function.");
            exceptionState.throwIfNeeded();
            return;
        }
        errorCallback = V8SQLStatementErrorCallback::create(v8::Local<v8::Function>::Cast(info[3]), ScriptState::current(info.GetIsolate()));
    } else {
        errorCallback = nullptr;
    }

    transaction->executeSQL(statement, sqlValues, callback, errorCallback, exceptionState);
    exceptionState.throwIfNeeded();
}

} // namespace blink