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<title>[198890] trunk/Source/WebCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/198890">198890</a></dd>
<dt>Author</dt> <dd>youenn.fablet@crf.canon.fr</dd>
<dt>Date</dt> <dd>2016-03-31 03:31:28 -0700 (Thu, 31 Mar 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>[Fetch API] Move isDisturbed handling to FetchBodyOwner
https://bugs.webkit.org/show_bug.cgi?id=155968
Reviewed by Darin Adler.
Moved isDisturbed handling in FetchBodyOwner.
This includes promise rejection in case of disturbed bodies.
No behavior change observable from user scripts.
* Modules/fetch/FetchBody.cpp:
(WebCore::FetchBody::arrayBuffer):
(WebCore::FetchBody::blob):
(WebCore::FetchBody::json):
(WebCore::FetchBody::text):
(WebCore::FetchBody::extractFromBody):
(WebCore::FetchBody::consume):
(WebCore::FetchBody::consumeArrayBuffer):
(WebCore::FetchBody::processIfEmptyOrDisturbed): Deleted.
* Modules/fetch/FetchBody.h:
(WebCore::FetchBody::isEmpty): Deleted.
* Modules/fetch/FetchBodyOwner.cpp:
(WebCore::FetchBodyOwner::arrayBuffer):
(WebCore::FetchBodyOwner::blob):
(WebCore::FetchBodyOwner::formData):
(WebCore::FetchBodyOwner::json):
(WebCore::FetchBodyOwner::text):
* Modules/fetch/FetchBodyOwner.h:
(WebCore::FetchBodyOwner::isDisturbed):
(WebCore::FetchBodyOwner::setDisturbed):
* Modules/fetch/FetchRequest.cpp:
(WebCore::FetchRequest::create):
* Modules/fetch/FetchResponse.cpp:
(WebCore::FetchResponse::clone):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesfetchFetchBodycpp">trunk/Source/WebCore/Modules/fetch/FetchBody.cpp</a></li>
<li><a href="#trunkSourceWebCoreModulesfetchFetchBodyh">trunk/Source/WebCore/Modules/fetch/FetchBody.h</a></li>
<li><a href="#trunkSourceWebCoreModulesfetchFetchBodyOwnercpp">trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.cpp</a></li>
<li><a href="#trunkSourceWebCoreModulesfetchFetchBodyOwnerh">trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.h</a></li>
<li><a href="#trunkSourceWebCoreModulesfetchFetchRequestcpp">trunk/Source/WebCore/Modules/fetch/FetchRequest.cpp</a></li>
<li><a href="#trunkSourceWebCoreModulesfetchFetchResponsecpp">trunk/Source/WebCore/Modules/fetch/FetchResponse.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/ChangeLog 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -1,5 +1,42 @@
</span><span class="cx"> 2016-03-31 Youenn Fablet <youenn.fablet@crf.canon.fr>
</span><span class="cx">
</span><ins>+ [Fetch API] Move isDisturbed handling to FetchBodyOwner
+ https://bugs.webkit.org/show_bug.cgi?id=155968
+
+ Reviewed by Darin Adler.
+
+ Moved isDisturbed handling in FetchBodyOwner.
+ This includes promise rejection in case of disturbed bodies.
+
+ No behavior change observable from user scripts.
+
+ * Modules/fetch/FetchBody.cpp:
+ (WebCore::FetchBody::arrayBuffer):
+ (WebCore::FetchBody::blob):
+ (WebCore::FetchBody::json):
+ (WebCore::FetchBody::text):
+ (WebCore::FetchBody::extractFromBody):
+ (WebCore::FetchBody::consume):
+ (WebCore::FetchBody::consumeArrayBuffer):
+ (WebCore::FetchBody::processIfEmptyOrDisturbed): Deleted.
+ * Modules/fetch/FetchBody.h:
+ (WebCore::FetchBody::isEmpty): Deleted.
+ * Modules/fetch/FetchBodyOwner.cpp:
+ (WebCore::FetchBodyOwner::arrayBuffer):
+ (WebCore::FetchBodyOwner::blob):
+ (WebCore::FetchBodyOwner::formData):
+ (WebCore::FetchBodyOwner::json):
+ (WebCore::FetchBodyOwner::text):
+ * Modules/fetch/FetchBodyOwner.h:
+ (WebCore::FetchBodyOwner::isDisturbed):
+ (WebCore::FetchBodyOwner::setDisturbed):
+ * Modules/fetch/FetchRequest.cpp:
+ (WebCore::FetchRequest::create):
+ * Modules/fetch/FetchResponse.cpp:
+ (WebCore::FetchResponse::clone):
+
+2016-03-31 Youenn Fablet <youenn.fablet@crf.canon.fr>
+
</ins><span class="cx"> Remove forEach use from Fetch Headers builtin constructor
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=155967
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesfetchFetchBodycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/fetch/FetchBody.cpp (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/fetch/FetchBody.cpp 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/Modules/fetch/FetchBody.cpp 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -33,7 +33,6 @@
</span><span class="cx">
</span><span class="cx"> #include "DOMRequestState.h"
</span><span class="cx"> #include "Dictionary.h"
</span><del>-#include "ExceptionCode.h"
</del><span class="cx"> #include "FetchBodyOwner.h"
</span><span class="cx"> #include "FormData.h"
</span><span class="cx"> #include "HTTPParsers.h"
</span><span class="lines">@@ -82,60 +81,24 @@
</span><span class="cx"> if (!body)
</span><span class="cx"> return { };
</span><span class="cx">
</span><del>- body->m_isDisturbed = true;
</del><span class="cx"> return FetchBody(WTFMove(*body));
</span><span class="cx"> }
</span><span class="cx">
</span><del>-bool FetchBody::processIfEmptyOrDisturbed(Consumer::Type type, DeferredWrapper& promise)
-{
- if (m_type == Type::None) {
- switch (type) {
- case Consumer::Type::Text:
- promise.resolve(String());
- return true;
- case Consumer::Type::Blob:
- promise.resolve<RefPtr<Blob>>(Blob::create());
- return true;
- case Consumer::Type::JSON:
- promise.reject<ExceptionCode>(SYNTAX_ERR);
- return true;
- case Consumer::Type::ArrayBuffer:
- fulfillPromiseWithArrayBuffer(promise, nullptr, 0);
- return true;
- default:
- ASSERT_NOT_REACHED();
- promise.reject<ExceptionCode>(0);
- return true;
- };
- }
-
- if (m_isDisturbed) {
- promise.reject<ExceptionCode>(TypeError);
- return true;
- }
- m_isDisturbed = true;
- return false;
-}
-
</del><span class="cx"> void FetchBody::arrayBuffer(FetchBodyOwner& owner, DeferredWrapper&& promise)
</span><span class="cx"> {
</span><del>- if (processIfEmptyOrDisturbed(Consumer::Type::ArrayBuffer, promise))
- return;
</del><ins>+ ASSERT(m_type != Type::None);
</ins><span class="cx"> consume(owner, Consumer::Type::ArrayBuffer, WTFMove(promise));
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void FetchBody::blob(FetchBodyOwner& owner, DeferredWrapper&& promise)
</span><span class="cx"> {
</span><del>- if (processIfEmptyOrDisturbed(Consumer::Type::Blob, promise))
- return;
-
</del><ins>+ ASSERT(m_type != Type::None);
</ins><span class="cx"> consume(owner, Consumer::Type::Blob, WTFMove(promise));
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void FetchBody::json(FetchBodyOwner& owner, DeferredWrapper&& promise)
</span><span class="cx"> {
</span><del>- if (processIfEmptyOrDisturbed(Consumer::Type::JSON, promise))
- return;
</del><ins>+ ASSERT(m_type != Type::None);
</ins><span class="cx">
</span><span class="cx"> if (m_type == Type::Text) {
</span><span class="cx"> fulfillPromiseWithJSON(promise, m_text);
</span><span class="lines">@@ -146,8 +109,7 @@
</span><span class="cx">
</span><span class="cx"> void FetchBody::text(FetchBodyOwner& owner, DeferredWrapper&& promise)
</span><span class="cx"> {
</span><del>- if (processIfEmptyOrDisturbed(Consumer::Type::Text, promise))
- return;
</del><ins>+ ASSERT(m_type != Type::None);
</ins><span class="cx">
</span><span class="cx"> if (m_type == Type::Text) {
</span><span class="cx"> promise.resolve(m_text);
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesfetchFetchBodyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/fetch/FetchBody.h (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/fetch/FetchBody.h 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/Modules/fetch/FetchBody.h 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -54,7 +54,6 @@
</span><span class="cx"> void text(FetchBodyOwner&, DeferredWrapper&&);
</span><span class="cx"> void formData(FetchBodyOwner&, DeferredWrapper&& promise) { promise.reject<ExceptionCode>(0); }
</span><span class="cx">
</span><del>- bool isDisturbed() const { return m_isDisturbed; }
</del><span class="cx"> bool isEmpty() const { return m_type == Type::None; }
</span><span class="cx">
</span><span class="cx"> void setMimeType(const String& mimeType) { m_mimeType = mimeType; }
</span><span class="lines">@@ -88,7 +87,6 @@
</span><span class="cx"> void consume(FetchBodyOwner&, Consumer::Type, DeferredWrapper&&);
</span><span class="cx">
</span><span class="cx"> Vector<uint8_t> extractFromText() const;
</span><del>- bool processIfEmptyOrDisturbed(Consumer::Type, DeferredWrapper&);
</del><span class="cx"> void consumeArrayBuffer(Consumer::Type, DeferredWrapper&);
</span><span class="cx"> void consumeText(Consumer::Type, DeferredWrapper&);
</span><span class="cx"> void consumeBlob(FetchBodyOwner&, Consumer::Type, DeferredWrapper&&);
</span><span class="lines">@@ -98,7 +96,6 @@
</span><span class="cx">
</span><span class="cx"> Type m_type { Type::None };
</span><span class="cx"> String m_mimeType;
</span><del>- bool m_isDisturbed { false };
</del><span class="cx">
</span><span class="cx"> // FIXME: Add support for BufferSource and URLSearchParams.
</span><span class="cx"> RefPtr<Blob> m_blob;
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesfetchFetchBodyOwnercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.cpp (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.cpp 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.cpp 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -31,7 +31,9 @@
</span><span class="cx">
</span><span class="cx"> #if ENABLE(FETCH_API)
</span><span class="cx">
</span><ins>+#include "ExceptionCode.h"
</ins><span class="cx"> #include "FetchLoader.h"
</span><ins>+#include "JSBlob.h"
</ins><span class="cx"> #include "ResourceResponse.h"
</span><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="lines">@@ -53,10 +55,80 @@
</span><span class="cx"> ASSERT(!m_blobLoader);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+void FetchBodyOwner::arrayBuffer(DeferredWrapper&& promise)
+{
+ if (m_body.isEmpty()) {
+ fulfillPromiseWithArrayBuffer(promise, nullptr, 0);
+ return;
+ }
+ if (isDisturbed()) {
+ promise.reject<ExceptionCode>(TypeError);
+ return;
+ }
+ m_isDisturbed = true;
+ m_body.arrayBuffer(*this, WTFMove(promise));
+}
+
+void FetchBodyOwner::blob(DeferredWrapper&& promise)
+{
+ if (m_body.isEmpty()) {
+ promise.resolve<RefPtr<Blob>>(Blob::create());
+ return;
+ }
+ if (isDisturbed()) {
+ promise.reject<ExceptionCode>(TypeError);
+ return;
+ }
+ m_isDisturbed = true;
+ m_body.blob(*this, WTFMove(promise));
+}
+
+void FetchBodyOwner::formData(DeferredWrapper&& promise)
+{
+ if (m_body.isEmpty()) {
+ promise.reject<ExceptionCode>(0);
+ return;
+ }
+ if (isDisturbed()) {
+ promise.reject<ExceptionCode>(TypeError);
+ return;
+ }
+ m_isDisturbed = true;
+ m_body.formData(*this, WTFMove(promise));
+}
+
+void FetchBodyOwner::json(DeferredWrapper&& promise)
+{
+ if (m_body.isEmpty()) {
+ promise.reject<ExceptionCode>(SYNTAX_ERR);
+ return;
+ }
+ if (isDisturbed()) {
+ promise.reject<ExceptionCode>(TypeError);
+ return;
+ }
+ m_isDisturbed = true;
+ m_body.json(*this, WTFMove(promise));
+}
+
+void FetchBodyOwner::text(DeferredWrapper&& promise)
+{
+ if (m_body.isEmpty()) {
+ promise.resolve(String());
+ return;
+ }
+ if (isDisturbed()) {
+ promise.reject<ExceptionCode>(TypeError);
+ return;
+ }
+ m_isDisturbed = true;
+ m_body.text(*this, WTFMove(promise));
+}
+
</ins><span class="cx"> void FetchBodyOwner::loadBlob(Blob& blob, FetchLoader::Type type)
</span><span class="cx"> {
</span><span class="cx"> // Can only be called once for a body instance.
</span><del>- ASSERT(m_body.isDisturbed());
</del><ins>+ ASSERT(isDisturbed());
</ins><span class="cx"> ASSERT(!m_blobLoader);
</span><span class="cx">
</span><span class="cx"> if (!scriptExecutionContext()) {
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesfetchFetchBodyOwnerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.h (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.h 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/Modules/fetch/FetchBodyOwner.h 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -43,13 +43,14 @@
</span><span class="cx"> FetchBodyOwner(ScriptExecutionContext&, FetchBody&&);
</span><span class="cx">
</span><span class="cx"> // Exposed Body API
</span><del>- bool isDisturbed() const { return m_body.isDisturbed(); }
- void arrayBuffer(DeferredWrapper&& promise) { m_body.arrayBuffer(*this, WTFMove(promise)); }
- void blob(DeferredWrapper&& promise) { m_body.blob(*this, WTFMove(promise)); }
- void formData(DeferredWrapper&& promise) { m_body.formData(*this, WTFMove(promise)); }
- void json(DeferredWrapper&& promise) { m_body.json(*this, WTFMove(promise)); }
- void text(DeferredWrapper&& promise) { m_body.text(*this, WTFMove(promise)); }
</del><ins>+ bool isDisturbed() const { return m_isDisturbed; }
</ins><span class="cx">
</span><ins>+ void arrayBuffer(DeferredWrapper&&);
+ void blob(DeferredWrapper&&);
+ void formData(DeferredWrapper&&);
+ void json(DeferredWrapper&&);
+ void text(DeferredWrapper&&);
+
</ins><span class="cx"> void loadBlob(Blob&, FetchLoader::Type);
</span><span class="cx">
</span><span class="cx"> bool isActive() const { return !!m_blobLoader; }
</span><span class="lines">@@ -61,6 +62,8 @@
</span><span class="cx"> // ActiveDOMObject API
</span><span class="cx"> void stop() override;
</span><span class="cx">
</span><ins>+ void setDisturbed() { m_isDisturbed = true; }
+
</ins><span class="cx"> private:
</span><span class="cx"> // Blob loading routines
</span><span class="cx"> void loadedBlobAsText(String&&);
</span><span class="lines">@@ -85,6 +88,7 @@
</span><span class="cx">
</span><span class="cx"> protected:
</span><span class="cx"> FetchBody m_body;
</span><ins>+ bool m_isDisturbed { false };
</ins><span class="cx">
</span><span class="cx"> private:
</span><span class="cx"> Optional<BlobLoader> m_blobLoader;
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesfetchFetchRequestcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/fetch/FetchRequest.cpp (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/fetch/FetchRequest.cpp 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/Modules/fetch/FetchRequest.cpp 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -295,6 +295,9 @@
</span><span class="cx"> return nullptr;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ if (!input.m_body.isEmpty())
+ input.setDisturbed();
+
</ins><span class="cx"> return adoptRef(*new FetchRequest(context, WTFMove(body), headers.releaseNonNull(), WTFMove(internalRequest)));
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesfetchFetchResponsecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/fetch/FetchResponse.cpp (198889 => 198890)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/fetch/FetchResponse.cpp 2016-03-31 08:31:25 UTC (rev 198889)
+++ trunk/Source/WebCore/Modules/fetch/FetchResponse.cpp 2016-03-31 10:31:28 UTC (rev 198890)
</span><span class="lines">@@ -118,7 +118,7 @@
</span><span class="cx">
</span><span class="cx"> RefPtr<FetchResponse> FetchResponse::clone(ScriptExecutionContext& context, ExceptionCode& ec)
</span><span class="cx"> {
</span><del>- if (m_body.isDisturbed() || m_isLocked) {
</del><ins>+ if (isDisturbed() || m_isLocked) {
</ins><span class="cx"> ec = TypeError;
</span><span class="cx"> return nullptr;
</span><span class="cx"> }
</span></span></pre>
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