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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/165900">165900</a></dd>
<dt>Author</dt> <dd>andersca@apple.com</dd>
<dt>Date</dt> <dd>2014-03-19 10:36:37 -0700 (Wed, 19 Mar 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add new functionality that will be required by the history item decoding
https://bugs.webkit.org/show_bug.cgi?id=130433

Reviewed by Sam Weinig.

Source/WebCore:

* platform/KeyedCoding.h:
(WebCore::KeyedDecoder::decodeConditionalObject):

Source/WebKit2:

* Shared/cf/KeyedDecoder.cpp:
(WebKit::KeyedDecoder::decodeUInt32):
(WebKit::KeyedDecoder::decodeInt32):
(WebKit::KeyedDecoder::decodeFloat):
* Shared/cf/KeyedDecoder.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformKeyedCodingh">trunk/Source/WebCore/platform/KeyedCoding.h</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2SharedcfKeyedDecodercpp">trunk/Source/WebKit2/Shared/cf/KeyedDecoder.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedcfKeyedDecoderh">trunk/Source/WebKit2/Shared/cf/KeyedDecoder.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (165899 => 165900)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-03-19 17:27:24 UTC (rev 165899)
+++ trunk/Source/WebCore/ChangeLog        2014-03-19 17:36:37 UTC (rev 165900)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2014-03-18  Anders Carlsson  &lt;andersca@apple.com&gt;
+
+        Add new functionality that will be required by the history item decoding
+        https://bugs.webkit.org/show_bug.cgi?id=130433
+
+        Reviewed by Sam Weinig.
+
+        * platform/KeyedCoding.h:
+        (WebCore::KeyedDecoder::decodeConditionalObject):
+
</ins><span class="cx"> 2014-03-19  Tim Horton  &lt;timothy_horton@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fix the iOS build.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformKeyedCodingh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/KeyedCoding.h (165899 => 165900)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/KeyedCoding.h        2014-03-19 17:27:24 UTC (rev 165899)
+++ trunk/Source/WebCore/platform/KeyedCoding.h        2014-03-19 17:36:37 UTC (rev 165900)
</span><span class="lines">@@ -41,7 +41,9 @@
</span><span class="cx"> public:
</span><span class="cx">     virtual bool decodeBool(const String&amp; key, bool&amp;) = 0;
</span><span class="cx">     virtual bool decodeUInt32(const String&amp; key, uint32_t&amp;) = 0;
</span><ins>+    virtual bool decodeInt32(const String&amp; key, int32_t&amp;) = 0;
</ins><span class="cx">     virtual bool decodeInt64(const String&amp; key, int64_t&amp;) = 0;
</span><ins>+    virtual bool decodeFloat(const String&amp; key, float&amp;) = 0;
</ins><span class="cx">     virtual bool decodeDouble(const String&amp; key, double&amp;) = 0;
</span><span class="cx">     virtual bool decodeString(const String&amp; key, String&amp;) = 0;
</span><span class="cx"> 
</span><span class="lines">@@ -72,6 +74,21 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     template&lt;typename T, typename F&gt;
</span><ins>+    bool decodeConditionalObject(const String&amp; key, T&amp; object, F&amp;&amp; function)
+    {
+        // FIXME: beginObject can return false for two reasons: either the
+        // key doesn't exist or the key refers to something that isn't an object.
+        // Because of this, decodeConditionalObject won't distinguish between a
+        // missing object or a value that isn't an object.
+        if (!beginObject(key))
+            return true;
+
+        bool result = function(*this, object);
+        endObject();
+        return result;
+    }
+
+    template&lt;typename T, typename F&gt;
</ins><span class="cx">     bool decodeObjects(const String&amp; key, Vector&lt;T&gt;&amp; objects, F&amp;&amp; function)
</span><span class="cx">     {
</span><span class="cx">         if (!beginArray(key))
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (165899 => 165900)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-03-19 17:27:24 UTC (rev 165899)
+++ trunk/Source/WebKit2/ChangeLog        2014-03-19 17:36:37 UTC (rev 165900)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2014-03-18  Anders Carlsson  &lt;andersca@apple.com&gt;
+
+        Add new functionality that will be required by the history item decoding
+        https://bugs.webkit.org/show_bug.cgi?id=130433
+
+        Reviewed by Sam Weinig.
+
+        * Shared/cf/KeyedDecoder.cpp:
+        (WebKit::KeyedDecoder::decodeUInt32):
+        (WebKit::KeyedDecoder::decodeInt32):
+        (WebKit::KeyedDecoder::decodeFloat):
+        * Shared/cf/KeyedDecoder.h:
+
</ins><span class="cx"> 2014-03-19  Tim Horton  &lt;timothy_horton@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [iOS] WebPDFViewPlaceholder divides-by-zero with an empty document
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedcfKeyedDecodercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/cf/KeyedDecoder.cpp (165899 => 165900)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/cf/KeyedDecoder.cpp        2014-03-19 17:27:24 UTC (rev 165899)
+++ trunk/Source/WebKit2/Shared/cf/KeyedDecoder.cpp        2014-03-19 17:36:37 UTC (rev 165900)
</span><span class="lines">@@ -62,6 +62,11 @@
</span><span class="cx"> 
</span><span class="cx"> bool KeyedDecoder::decodeUInt32(const String&amp; key, uint32_t&amp; result)
</span><span class="cx"> {
</span><ins>+    return decodeInt32(key, reinterpret_cast&lt;int32_t&amp;&gt;(result));
+}
+
+bool KeyedDecoder::decodeInt32(const String&amp; key, int32_t&amp; result)
+{
</ins><span class="cx">     CFNumberRef number = static_cast&lt;CFNumberRef&gt;(CFDictionaryGetValue(m_dictionaryStack.last(), key.createCFString().get()));
</span><span class="cx">     if (!number || CFGetTypeID(number) != CFNumberGetTypeID())
</span><span class="cx">         return false;
</span><span class="lines">@@ -78,6 +83,15 @@
</span><span class="cx">     return CFNumberGetValue(number, kCFNumberSInt64Type, &amp;result);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool KeyedDecoder::decodeFloat(const String&amp; key, float&amp; result)
+{
+    CFNumberRef number = static_cast&lt;CFNumberRef&gt;(CFDictionaryGetValue(m_dictionaryStack.last(), key.createCFString().get()));
+    if (!number || CFGetTypeID(number) != CFNumberGetTypeID())
+        return false;
+
+    return CFNumberGetValue(number, kCFNumberFloatType, &amp;result);
+}
+
</ins><span class="cx"> bool KeyedDecoder::decodeDouble(const String&amp; key, double&amp; result)
</span><span class="cx"> {
</span><span class="cx">     CFNumberRef number = static_cast&lt;CFNumberRef&gt;(CFDictionaryGetValue(m_dictionaryStack.last(), key.createCFString().get()));
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedcfKeyedDecoderh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/cf/KeyedDecoder.h (165899 => 165900)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/cf/KeyedDecoder.h        2014-03-19 17:27:24 UTC (rev 165899)
+++ trunk/Source/WebKit2/Shared/cf/KeyedDecoder.h        2014-03-19 17:36:37 UTC (rev 165900)
</span><span class="lines">@@ -40,7 +40,9 @@
</span><span class="cx"> private:
</span><span class="cx">     virtual bool decodeBool(const String&amp; key, bool&amp;) override;
</span><span class="cx">     virtual bool decodeUInt32(const String&amp; key, uint32_t&amp;) override;
</span><ins>+    virtual bool decodeInt32(const String&amp; key, int32_t&amp;) override;
</ins><span class="cx">     virtual bool decodeInt64(const String&amp; key, int64_t&amp;) override;
</span><ins>+    virtual bool decodeFloat(const String&amp; key, float&amp;) override;
</ins><span class="cx">     virtual bool decodeDouble(const String&amp; key, double&amp;) override;
</span><span class="cx">     virtual bool decodeString(const String&amp; key, String&amp;) override;
</span><span class="cx"> 
</span></span></pre>
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