Revert "Transition modules/** to use ExceptionState"

Source/modules/websockets/WebSocket.cpp

 /*
  * Copyright (C) 2011 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
@@ skipping 14 matching lines @@
  * 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 "modules/websockets/WebSocket.h"
 
-#include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/ScriptController.h"
 #include "core/dom/Document.h"
 #include "core/dom/Event.h"
 #include "core/dom/EventListener.h"
 #include "core/dom/EventNames.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MessageEvent.h"
 #include "core/dom/ScriptExecutionContext.h"
 #include "core/fileapi/Blob.h"
 #include "core/inspector/ScriptCallStack.h"
@@ skipping 102 matching lines @@
         m_channel->disconnect();
 }
 
 PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context)
 {
     RefPtr<WebSocket> webSocket(adoptRef(new WebSocket(context)));
     webSocket->suspendIfNeeded();
     return webSocket.release();
 }
 
-PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context, const String& url, ExceptionState& es)
+PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context, const String& url, ExceptionCode& ec)
 {
     Vector<String> protocols;
-    return WebSocket::create(context, url, protocols, es);
+    return WebSocket::create(context, url, protocols, ec);
 }
 
-PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context, const String& url, const Vector<String>& protocols, ExceptionState& es)
+PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context, const String& url, const Vector<String>& protocols, ExceptionCode& ec)
 {
     if (url.isNull()) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return 0;
     }
 
     RefPtr<WebSocket> webSocket(adoptRef(new WebSocket(context)));
     webSocket->suspendIfNeeded();
 
-    webSocket->connect(context->completeURL(url), protocols, es);
-    if (es.hadException())
+    webSocket->connect(context->completeURL(url), protocols, ec);
+    if (ec)
         return 0;
 
     return webSocket.release();
 }
 
-PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context, const String& url, const String& protocol, ExceptionState& es)
+PassRefPtr<WebSocket> WebSocket::create(ScriptExecutionContext* context, const String& url, const String& protocol, ExceptionCode& ec)
 {
     Vector<String> protocols;
     protocols.append(protocol);
-    return WebSocket::create(context, url, protocols, es);
+    return WebSocket::create(context, url, protocols, ec);
 }
 
-void WebSocket::connect(const String& url, ExceptionState& es)
+void WebSocket::connect(const String& url, ExceptionCode& ec)
 {
     Vector<String> protocols;
-    connect(url, protocols, es);
+    connect(url, protocols, ec);
 }
 
-void WebSocket::connect(const String& url, const String& protocol, ExceptionState& es)
+void WebSocket::connect(const String& url, const String& protocol, ExceptionCode& ec)
 {
     Vector<String> protocols;
     protocols.append(protocol);
-    connect(url, protocols, es);
+    connect(url, protocols, ec);
 }
 
-void WebSocket::connect(const String& url, const Vector<String>& protocols, ExceptionState& es)
+void WebSocket::connect(const String& url, const Vector<String>& protocols, ExceptionCode& ec)
 {
     LOG(Network, "WebSocket %p connect() url='%s'", this, url.utf8().data());
     m_url = KURL(KURL(), url);
 
     if (!m_url.isValid()) {
         scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "Invalid url for WebSocket " + m_url.elidedString());
         m_state = CLOSED;
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return;
     }
 
     if (!m_url.protocolIs("ws") && !m_url.protocolIs("wss")) {
         scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "Wrong url scheme for WebSocket " + m_url.elidedString());
         m_state = CLOSED;
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return;
     }
     if (m_url.hasFragmentIdentifier()) {
         scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "URL has fragment component " + m_url.elidedString());
         m_state = CLOSED;
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return;
     }
     if (!portAllowed(m_url)) {
         scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket port " + String::number(m_url.port()) + " blocked");
         m_state = CLOSED;
-        es.throwDOMException(SecurityError);
+        ec = SecurityError;
         return;
     }
 
     // FIXME: Convert this to check the isolated world's Content Security Policy once webkit.org/b/104520 is solved.
     bool shouldBypassMainWorldContentSecurityPolicy = false;
     if (scriptExecutionContext()->isDocument()) {
         Document* document = toDocument(scriptExecutionContext());
         shouldBypassMainWorldContentSecurityPolicy = document->frame()->script()->shouldBypassMainWorldContentSecurityPolicy();
     }
     if (!shouldBypassMainWorldContentSecurityPolicy && !scriptExecutionContext()->contentSecurityPolicy()->allowConnectToSource(m_url)) {
         m_state = CLOSED;
 
         // FIXME: Should this be throwing an exception?
-        es.throwDOMException(SecurityError);
+        ec = SecurityError;
         return;
     }
 
     m_channel = WebSocketChannel::create(scriptExecutionContext(), this);
 
     // FIXME: There is a disagreement about restriction of subprotocols between WebSocket API and hybi-10 protocol
     // draft. The former simply says "only characters in the range U+0021 to U+007E are allowed," while the latter
     // imposes a stricter rule: "the elements MUST be non-empty strings with characters as defined in [RFC2616],
     // and MUST all be unique strings."
     //
     // Here, we throw SyntaxError if the given protocols do not meet the latter criteria. This behavior does not
     // comply with WebSocket API specification, but it seems to be the only reasonable way to handle this conflict.
     for (size_t i = 0; i < protocols.size(); ++i) {
         if (!isValidProtocolString(protocols[i])) {
             scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "Wrong protocol for WebSocket '" + encodeProtocolString(protocols[i]) + "'");
             m_state = CLOSED;
-            es.throwDOMException(SyntaxError);
+            ec = SyntaxError;
             return;
         }
     }
     HashSet<String> visited;
     for (size_t i = 0; i < protocols.size(); ++i) {
         if (!visited.add(protocols[i]).isNewEntry) {
             scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket protocols contain duplicates: '" + encodeProtocolString(protocols[i]) + "'");
             m_state = CLOSED;
-            es.throwDOMException(SyntaxError);
+            ec = SyntaxError;
             return;
         }
     }
 
     String protocolString;
     if (!protocols.isEmpty())
         protocolString = joinStrings(protocols, subProtocolSeperator());
 
     m_channel->connect(m_url, protocolString);
     ActiveDOMObject::setPendingActivity(this);
 }
 
-void WebSocket::handleSendResult(WebSocketChannel::SendResult result, ExceptionState& es)
+void WebSocket::handleSendResult(WebSocketChannel::SendResult result, ExceptionCode& ec)
 {
     switch (result) {
     case WebSocketChannel::InvalidMessage:
         scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket message contains invalid character(s).");
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return;
     case WebSocketChannel::SendFail:
         scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket send() failed.");
         return;
     case WebSocketChannel::SendSuccess:
         return;
     }
     ASSERT_NOT_REACHED();
 }
 
 void WebSocket::updateBufferedAmountAfterClose(unsigned long payloadSize)
 {
     m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, payloadSize);
     m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
 
     scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket is already in CLOSING or CLOSED state.");
 }
 
-void WebSocket::send(const String& message, ExceptionState& es)
+void WebSocket::send(const String& message, ExceptionCode& ec)
 {
     LOG(Network, "WebSocket %p send() Sending String '%s'", this, message.utf8().data());
     if (m_state == CONNECTING) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         return;
     }
     // No exception is raised if the connection was once established but has subsequently been closed.
     if (m_state == CLOSING || m_state == CLOSED) {
         updateBufferedAmountAfterClose(message.utf8().length());
         return;
     }
     ASSERT(m_channel);
-    handleSendResult(m_channel->send(message), es);
+    handleSendResult(m_channel->send(message), ec);
 }
 
-void WebSocket::send(ArrayBuffer* binaryData, ExceptionState& es)
+void WebSocket::send(ArrayBuffer* binaryData, ExceptionCode& ec)
 {
     LOG(Network, "WebSocket %p send() Sending ArrayBuffer %p", this, binaryData);
     ASSERT(binaryData);
     if (m_state == CONNECTING) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         return;
     }
     if (m_state == CLOSING || m_state == CLOSED) {
         updateBufferedAmountAfterClose(binaryData->byteLength());
         return;
     }
     ASSERT(m_channel);
-    handleSendResult(m_channel->send(*binaryData, 0, binaryData->byteLength()), es);
+    handleSendResult(m_channel->send(*binaryData, 0, binaryData->byteLength()), ec);
 }
 
-void WebSocket::send(ArrayBufferView* arrayBufferView, ExceptionState& es)
+void WebSocket::send(ArrayBufferView* arrayBufferView, ExceptionCode& ec)
 {
     LOG(Network, "WebSocket %p send() Sending ArrayBufferView %p", this, arrayBufferView);
     ASSERT(arrayBufferView);
     if (m_state == CONNECTING) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         return;
     }
     if (m_state == CLOSING || m_state == CLOSED) {
         updateBufferedAmountAfterClose(arrayBufferView->byteLength());
         return;
     }
     ASSERT(m_channel);
     RefPtr<ArrayBuffer> arrayBuffer(arrayBufferView->buffer());
-    handleSendResult(m_channel->send(*arrayBuffer, arrayBufferView->byteOffset(), arrayBufferView->byteLength()), es);
+    handleSendResult(m_channel->send(*arrayBuffer, arrayBufferView->byteOffset(), arrayBufferView->byteLength()), ec);
 }
 
-void WebSocket::send(Blob* binaryData, ExceptionState& es)
+void WebSocket::send(Blob* binaryData, ExceptionCode& ec)
 {
     LOG(Network, "WebSocket %p send() Sending Blob '%s'", this, binaryData->url().elidedString().utf8().data());
     ASSERT(binaryData);
     if (m_state == CONNECTING) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         return;
     }
     if (m_state == CLOSING || m_state == CLOSED) {
         updateBufferedAmountAfterClose(static_cast<unsigned long>(binaryData->size()));
         return;
     }
     ASSERT(m_channel);
-    handleSendResult(m_channel->send(*binaryData), es);
+    handleSendResult(m_channel->send(*binaryData), ec);
 }
 
-void WebSocket::close(unsigned short code, const String& reason, ExceptionState& es)
+void WebSocket::close(unsigned short code, const String& reason, ExceptionCode& ec)
 {
-    closeInternal(code, reason, es);
+    closeInternal(code, reason, ec);
 }
 
-void WebSocket::close(ExceptionState& es)
+void WebSocket::close(ExceptionCode& ec)
 {
-    closeInternal(WebSocketChannel::CloseEventCodeNotSpecified, String(), es);
+    closeInternal(WebSocketChannel::CloseEventCodeNotSpecified, String(), ec);
 }
 
-void WebSocket::close(unsigned short code, ExceptionState& es)
+void WebSocket::close(unsigned short code, ExceptionCode& ec)
 {
-    closeInternal(code, String(), es);
+    closeInternal(code, String(), ec);
 }
 
-void WebSocket::closeInternal(int code, const String& reason, ExceptionState& es)
+void WebSocket::closeInternal(int code, const String& reason, ExceptionCode& ec)
 {
     if (code == WebSocketChannel::CloseEventCodeNotSpecified)
         LOG(Network, "WebSocket %p close() without code and reason", this);
     else {
         LOG(Network, "WebSocket %p close() code=%d reason='%s'", this, code, reason.utf8().data());
         if (!(code == WebSocketChannel::CloseEventCodeNormalClosure || (WebSocketChannel::CloseEventCodeMinimumUserDefined <= code && code <= WebSocketChannel::CloseEventCodeMaximumUserDefined))) {
-            es.throwDOMException(InvalidAccessError);
+            ec = InvalidAccessError;
             return;
         }
         CString utf8 = reason.utf8(String::StrictConversionReplacingUnpairedSurrogatesWithFFFD);
         if (utf8.length() > maxReasonSizeInBytes) {
             scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket close message is too long.");
-            es.throwDOMException(SyntaxError);
+            ec = SyntaxError;
             return;
         }
     }
 
     if (m_state == CLOSING || m_state == CLOSED)
         return;
     if (m_state == CONNECTING) {
         m_state = CLOSING;
         m_channel->fail("WebSocket is closed before the connection is established.", WarningMessageLevel);
         return;
@@ skipping 204 matching lines @@
     static const size_t minimumPayloadSizeWithEightByteExtendedPayloadLength = 0x10000;
     size_t overhead = hybiBaseFramingOverhead + hybiMaskingKeyLength;
     if (payloadSize >= minimumPayloadSizeWithEightByteExtendedPayloadLength)
         overhead += 8;
     else if (payloadSize >= minimumPayloadSizeWithTwoByteExtendedPayloadLength)
         overhead += 2;
     return overhead;
 }
 
 } // namespace WebCore