Move xfa_basic_imp to cxfa_widetextread.

This Cl splits out the CXFA_WideTextRead class into it's own file. The helper
methods have been moved into xfa_utils.cpp and their pre-declarations into
xfa_utils.h.

Review-Url: https://codereview.chromium.org/2165993002

1 files changed, 26 insertions, 5 deletions

diff --git a/xfa/fxfa/parser/cxfa_simple_parser.cpp b/xfa/fxfa/parser/cxfa_simple_parser.cpp
index 7f70c81d38..043c56a270 100644
--- a/xfa/fxfa/parser/cxfa_simple_parser.cpp
+++ b/xfa/fxfa/parser/cxfa_simple_parser.cpp
@@ -6,11 +6,15 @@
 
 #include "xfa/fxfa/parser/cxfa_simple_parser.h"
 
+#include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
 #include "xfa/fxfa/include/fxfa.h"
 #include "xfa/fxfa/include/xfa_checksum.h"
+#include "xfa/fxfa/parser/cxfa_widetextread.h"
 #include "xfa/fxfa/parser/cxfa_xml_parser.h"
+#include "xfa/fxfa/parser/xfa_basic_data.h"
 #include "xfa/fxfa/parser/xfa_document.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
 
 namespace {
 
@@ -224,6 +228,26 @@ void ConvertXMLToPlainText(CFDE_XMLElement* pRootXMLNode,
   }
 }
 
+const XFA_PACKETINFO* GetPacketByName(const CFX_WideStringC& wsName) {
+  if (wsName.IsEmpty())
+    return nullptr;
+
+  uint32_t uHash = FX_HashCode_GetW(wsName, false);
+  int32_t iStart = 0;
+  int32_t iEnd = g_iXFAPacketCount - 1;
+  do {
+    int32_t iMid = (iStart + iEnd) / 2;
+    const XFA_PACKETINFO* pInfo = g_XFAPacketData + iMid;
+    if (uHash == pInfo->uHash)
+      return pInfo;
+    if (uHash < pInfo->uHash)
+      iEnd = iMid - 1;
+    else
+      iStart = iMid + 1;
+  } while (iStart <= iEnd);
+  return nullptr;
+}
+
 }  // namespace
 
 FX_BOOL XFA_RecognizeRichText(CFDE_XMLElement* pRichTextXMLNode) {
@@ -301,10 +325,7 @@ int32_t CXFA_SimpleParser::ParseXMLData(const CFX_WideString& wsXML,
   CloseParser();
   pXMLNode = nullptr;
 
-  std::unique_ptr<IFX_Stream> pStream(XFA_CreateWideTextRead(wsXML));
-  if (!pStream)
-    return XFA_PARSESTATUS_StreamErr;
-
+  std::unique_ptr<IFX_Stream> pStream(new CXFA_WideTextRead(wsXML));
   m_pXMLDoc.reset(new CFDE_XMLDoc);
   CXFA_XMLParser* pParser =
       new CXFA_XMLParser(m_pXMLDoc->GetRoot(), pStream.get());
@@ -504,7 +525,7 @@ CXFA_Node* CXFA_SimpleParser::ParseAsXDPPacket_XDP(
       CFX_WideString wsPacketName;
       pElement->GetLocalTagName(wsPacketName);
       const XFA_PACKETINFO* pPacketInfo =
-          XFA_GetPacketByName(wsPacketName.AsStringC());
+          GetPacketByName(wsPacketName.AsStringC());
       if (pPacketInfo && pPacketInfo->pURI) {
         if (!MatchNodeName(pElement, pPacketInfo->pName, pPacketInfo->pURI,
                            pPacketInfo->eFlags)) {