From f19ae5dcd0b618cdeb80d6a1df5b13610d0ff7da Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Sat, 28 Jul 2018 00:00:24 +0000
Subject: Add ToXML{Instruction,Text,CharData}() checked conversion functions

All usages were previously checked correctly, but this consolidates
some code as well.

Change-Id: I63711748b31b698a3f21f98fdb536db1e9e0b1cf
Reviewed-on: https://pdfium-review.googlesource.com/39010
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
---
 core/fxcrt/xml/cfx_xmlchardata.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'core/fxcrt/xml/cfx_xmlchardata.h')

diff --git a/core/fxcrt/xml/cfx_xmlchardata.h b/core/fxcrt/xml/cfx_xmlchardata.h
index 013414bc82..9e5669a464 100644
--- a/core/fxcrt/xml/cfx_xmlchardata.h
+++ b/core/fxcrt/xml/cfx_xmlchardata.h
@@ -25,4 +25,10 @@ class CFX_XMLCharData : public CFX_XMLText {
   void Save(const RetainPtr<IFX_SeekableWriteStream>& pXMLStream) override;
 };
 
+inline CFX_XMLCharData* ToXMLCharData(CFX_XMLNode* pNode) {
+  return pNode && pNode->GetType() == FX_XMLNODE_CharData
+             ? static_cast<CFX_XMLCharData*>(pNode)
+             : nullptr;
+}
+
 #endif  // CORE_FXCRT_XML_CFX_XMLCHARDATA_H_
-- 
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