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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "bindings/modules/v8/V8SQLTransactionSync.h"
     33 
     34 #include "bindings/modules/v8/V8SQLResultSet.h"
     35 #include "bindings/v8/ExceptionState.h"
     36 #include "bindings/v8/V8Binding.h"
     37 #include "core/dom/ExceptionCode.h"
     38 #include "modules/webdatabase/sqlite/SQLValue.h"
     39 #include "modules/webdatabase/DatabaseSync.h"
     40 #include "modules/webdatabase/SQLResultSet.h"
     41 #include "wtf/Vector.h"
     42 
     43 using namespace WTF;
     44 
     45 namespace WebCore {
     46 
     47 void V8SQLTransactionSync::executeSqlMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
     48 {
     49     ExceptionState exceptionState(ExceptionState::ExecutionContext, "executeSql", "SQLTransactionSync", info.Holder(), info.GetIsolate());
     50     if (!info.Length()) {
     51         exceptionState.throwDOMException(SyntaxError, ExceptionMessages::notEnoughArguments(1, 0));
     52         exceptionState.throwIfNeeded();
     53         return;
     54     }
     55 
     56     TOSTRING_VOID(V8StringResource<>, statement, info[0]);
     57 
     58     Vector<SQLValue> sqlValues;
     59 
     60     if (info.Length() > 1 && !isUndefinedOrNull(info[1])) {
     61         if (!info[1]->IsObject()) {
     62             exceptionState.throwDOMException(TypeMismatchError, ExceptionMessages::argumentNullOrIncorrectType(1, "DOMString"));
     63             exceptionState.throwIfNeeded();
     64             return;
     65         }
     66 
     67         uint32_t sqlArgsLength = 0;
     68         v8::Local<v8::Object> sqlArgsObject = info[1]->ToObject();
     69         TONATIVE_VOID(v8::Local<v8::Value>, length, sqlArgsObject->Get(v8AtomicString(info.GetIsolate(), "length")));
     70 
     71         if (isUndefinedOrNull(length))
     72             sqlArgsLength = sqlArgsObject->GetPropertyNames()->Length();
     73         else
     74             sqlArgsLength = length->Uint32Value();
     75 
     76         for (unsigned i = 0; i < sqlArgsLength; ++i) {
     77             v8::Handle<v8::Integer> key = v8::Integer::New(info.GetIsolate(), i);
     78             TONATIVE_VOID(v8::Local<v8::Value>, value, sqlArgsObject->Get(key));
     79 
     80             if (value.IsEmpty() || value->IsNull())
     81                 sqlValues.append(SQLValue());
     82             else if (value->IsNumber()) {
     83                 TONATIVE_VOID(double, sqlValue, value->NumberValue());
     84                 sqlValues.append(SQLValue(sqlValue));
     85             } else {
     86                 TOSTRING_VOID(V8StringResource<>, sqlValue, value);
     87                 sqlValues.append(SQLValue(sqlValue));
     88             }
     89         }
     90     }
     91 
     92     SQLTransactionSync* transaction = V8SQLTransactionSync::toNative(info.Holder());
     93 
     94     v8::Handle<v8::Value> result = toV8(transaction->executeSQL(statement, sqlValues, exceptionState), info.Holder(), info.GetIsolate());
     95     if (exceptionState.throwIfNeeded())
     96         return;
     97 
     98     v8SetReturnValue(info, result);
     99 }
    100 
    101 } // namespace WebCore
    102