Implement URLSearchParams.

Source/core/dom/DOMURLUtils.cpp

Index: Source/core/dom/DOMURLUtils.cpp
diff --git a/Source/core/dom/DOMURLUtils.cpp b/Source/core/dom/DOMURLUtils.cpp
index 7e1fa195c5af5d86fe00115f540654c8e164e65c..7a58044af984215171064bd71451f5e5f207be7b 100644
--- a/Source/core/dom/DOMURLUtils.cpp
+++ b/Source/core/dom/DOMURLUtils.cpp
@@ -31,6 +31,12 @@
 
 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);
@@ -122,6 +128,12 @@ void DOMURLUtils::setSearch(DOMURLUtils* impl, const String& value)
     if (!url.isValid())
         return;
     url.setQuery(value);
+
+    if (!value.isEmpty() && value[0] == '?')
+        setSearchParams(impl, value.substring(1));
+    else
+        setSearchParams(impl, value);
+
     impl->setURL(url);
 }
 
@@ -139,4 +151,45 @@ void DOMURLUtils::setHash(DOMURLUtils* impl, const String& 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