Implement URLSearchParams.

Source/core/dom/DOMURLUtils.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2012 Motorola Mobility Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 13 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/dom/DOMURLUtils.h"
 
 #include "platform/weborigin/KnownPorts.h"
 
 namespace WebCore {
 
+void DOMURLUtils::update(DOMURLUtils* impl)
+{
+    KURL url = impl->url();

[Inactive, 2014/01/21 15:25:58]

We should probably ASSERT to make sure impl is not null.

[sof, 2014/01/21 21:16:47]

When the context makes it unmistakably clear that a non-null pointer is to be
expected, I don't see the value of adding such asserts.

+    setSearchParams(impl, url.query());
+}
+
 void DOMURLUtils::setHref(DOMURLUtils* impl, const String& value)
 {
     impl->setInput(value);
 }
 
 void DOMURLUtils::setProtocol(DOMURLUtils* impl, const String& value)
 {
     KURL url = impl->url();
     if (url.isNull())
         return;
@@ skipping 71 matching lines @@
     url.setPath(value);
     impl->setURL(url);
 }
 
 void DOMURLUtils::setSearch(DOMURLUtils* impl, const String& value)
 {
     KURL url = impl->url();
     if (!url.isValid())
         return;
     url.setQuery(value);
+
+    if (!value.isEmpty() && value[0] == '?')
+        setSearchParams(impl, value.substring(1));
+    else
+        setSearchParams(impl, value);
+
     impl->setURL(url);
 }
 
 void DOMURLUtils::setHash(DOMURLUtils* impl, const String& value)
 {
     KURL url = impl->url();
     if (url.isNull())
         return;
 
     if (value[0] == '#')
         url.setFragmentIdentifier(value.substring(1));
     else
         url.setFragmentIdentifier(value);
 
     impl->setURL(url);
 }
 
+DOMURLSearchParams* DOMURLUtils::searchParams(DOMURLUtils* impl, bool& isNull)
+{
+    if (!impl->m_searchParams)
+        createSearchParams(impl, impl->url().query());
+    isNull = false;
+    return impl->m_searchParams.get();
+}
+
+void DOMURLUtils::createSearchParams(DOMURLUtils* impl, const String& queryString)
+{
+    if (!impl->m_searchParams) {
+        impl->m_searchParams = adoptPtr(DOMURLSearchParams::create(queryString).get());
+        impl->m_searchParams->setURLObject(impl);
+    } else {
+        setSearchParams(impl, queryString);
+    }
+}
+
+void DOMURLUtils::setSearchParams(DOMURLUtils* impl, const String& queryString)
+{
+    if (!impl->m_searchParams)
+        return;
+
+    ASSERT(impl->m_searchParams->urlObject() == impl);
+    impl->m_searchParams->setInput(queryString);
+}
+
+void DOMURLUtils::setSearchParams(DOMURLUtils* impl, DOMURLSearchParams* searchParams)
+{
+    if (!searchParams)
+        return;
+
+    if (searchParams->urlObject())
+        impl->m_searchParams = adoptPtr(DOMURLSearchParams::create(searchParams).get());
+    else
+        impl->m_searchParams = adoptPtr(searchParams);
+
+    ASSERT(!impl->m_searchParams->urlObject());
+    impl->m_searchParams->setURLObject(impl);
+}
+
 } // namespace WebCore