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, 258 insertions, 2 deletions

diff --git a/xfa/fxfa/parser/xfa_utils_imp.cpp b/xfa/fxfa/parser/xfa_utils_imp.cpp
index 2f9c3e0d8c..50438b7a09 100644
--- a/xfa/fxfa/parser/xfa_utils_imp.cpp
+++ b/xfa/fxfa/parser/xfa_utils_imp.cpp
@@ -8,6 +8,8 @@
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fde/xml/fde_xml_imp.h"
+#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/parser/xfa_basic_data.h"
 #include "xfa/fxfa/parser/xfa_doclayout.h"
 #include "xfa/fxfa/parser/xfa_document.h"
 #include "xfa/fxfa/parser/xfa_localemgr.h"
@@ -202,11 +204,12 @@ void XFA_GetPlainTextFromRichText(CFDE_XMLNode* pXMLNode,
     XFA_GetPlainTextFromRichText(pChildXML, wsPlainText);
   }
 }
+
 FX_BOOL XFA_FieldIsMultiListBox(CXFA_Node* pFieldNode) {
   FX_BOOL bRet = FALSE;
-  if (!pFieldNode) {
+  if (!pFieldNode)
     return bRet;
-  }
+
   CXFA_Node* pUIChild = pFieldNode->GetChild(0, XFA_Element::Ui);
   if (pUIChild) {
     CXFA_Node* pFirstChild = pUIChild->GetNodeItem(XFA_NODEITEM_FirstChild);
@@ -229,3 +232,256 @@ int32_t XFA_MapRotation(int32_t nRotation) {
   nRotation = nRotation < 0 ? nRotation + 360 : nRotation;
   return nRotation;
 }
+
+const XFA_SCRIPTATTRIBUTEINFO* XFA_GetScriptAttributeByName(
+    XFA_Element eElement,
+    const CFX_WideStringC& wsAttributeName) {
+  if (wsAttributeName.IsEmpty())
+    return nullptr;
+
+  int32_t iElementIndex = static_cast<int32_t>(eElement);
+  while (iElementIndex != -1) {
+    const XFA_SCRIPTHIERARCHY* scriptIndex = g_XFAScriptIndex + iElementIndex;
+    int32_t icount = scriptIndex->wAttributeCount;
+    if (icount == 0) {
+      iElementIndex = scriptIndex->wParentIndex;
+      continue;
+    }
+    uint32_t uHash = FX_HashCode_GetW(wsAttributeName, false);
+    int32_t iStart = scriptIndex->wAttributeStart, iEnd = iStart + icount - 1;
+    do {
+      int32_t iMid = (iStart + iEnd) / 2;
+      const XFA_SCRIPTATTRIBUTEINFO* pInfo = g_SomAttributeData + iMid;
+      if (uHash == pInfo->uHash)
+        return pInfo;
+      if (uHash < pInfo->uHash)
+        iEnd = iMid - 1;
+      else
+        iStart = iMid + 1;
+    } while (iStart <= iEnd);
+    iElementIndex = scriptIndex->wParentIndex;
+  }
+  return nullptr;
+}
+
+const XFA_NOTSUREATTRIBUTE* XFA_GetNotsureAttribute(XFA_Element eElement,
+                                                    XFA_ATTRIBUTE eAttribute,
+                                                    XFA_ATTRIBUTETYPE eType) {
+  int32_t iStart = 0, iEnd = g_iXFANotsureCount - 1;
+  do {
+    int32_t iMid = (iStart + iEnd) / 2;
+    const XFA_NOTSUREATTRIBUTE* pAttr = g_XFANotsureAttributes + iMid;
+    if (eElement == pAttr->eElement) {
+      if (pAttr->eAttribute == eAttribute) {
+        if (eType == XFA_ATTRIBUTETYPE_NOTSURE || eType == pAttr->eType)
+          return pAttr;
+        return nullptr;
+      }
+      int32_t iBefore = iMid - 1;
+      if (iBefore >= 0) {
+        pAttr = g_XFANotsureAttributes + iBefore;
+        while (eElement == pAttr->eElement) {
+          if (pAttr->eAttribute == eAttribute) {
+            if (eType == XFA_ATTRIBUTETYPE_NOTSURE || eType == pAttr->eType)
+              return pAttr;
+            return nullptr;
+          }
+          iBefore--;
+          if (iBefore < 0)
+            break;
+
+          pAttr = g_XFANotsureAttributes + iBefore;
+        }
+      }
+
+      int32_t iAfter = iMid + 1;
+      if (iAfter <= g_iXFANotsureCount - 1) {
+        pAttr = g_XFANotsureAttributes + iAfter;
+        while (eElement == pAttr->eElement) {
+          if (pAttr->eAttribute == eAttribute) {
+            if (eType == XFA_ATTRIBUTETYPE_NOTSURE || eType == pAttr->eType)
+              return pAttr;
+            return nullptr;
+          }
+          iAfter++;
+          if (iAfter > g_iXFANotsureCount - 1)
+            break;
+
+          pAttr = g_XFANotsureAttributes + iAfter;
+        }
+      }
+      return nullptr;
+    }
+
+    if (eElement < pAttr->eElement)
+      iEnd = iMid - 1;
+    else
+      iStart = iMid + 1;
+  } while (iStart <= iEnd);
+  return nullptr;
+}
+
+const XFA_PROPERTY* XFA_GetPropertyOfElement(XFA_Element eElement,
+                                             XFA_Element eProperty,
+                                             uint32_t dwPacket) {
+  int32_t iCount = 0;
+  const XFA_PROPERTY* pProperties = XFA_GetElementProperties(eElement, iCount);
+  if (!pProperties || iCount < 1)
+    return nullptr;
+
+  auto it = std::find_if(pProperties, pProperties + iCount,
+                         [eProperty](const XFA_PROPERTY& prop) {
+                           return prop.eName == eProperty;
+                         });
+  if (it == pProperties + iCount)
+    return nullptr;
+
+  const XFA_ELEMENTINFO* pInfo = XFA_GetElementByID(eProperty);
+  ASSERT(pInfo);
+  if (dwPacket != XFA_XDPPACKET_UNKNOWN && !(dwPacket & pInfo->dwPackets))
+    return nullptr;
+  return it;
+}
+
+const XFA_PROPERTY* XFA_GetElementProperties(XFA_Element eElement,
+                                             int32_t& iCount) {
+  if (eElement == XFA_Element::Unknown)
+    return nullptr;
+
+  const XFA_ELEMENTHIERARCHY* pElement =
+      g_XFAElementPropertyIndex + static_cast<int32_t>(eElement);
+  iCount = pElement->wCount;
+  return g_XFAElementPropertyData + pElement->wStart;
+}
+
+const uint8_t* XFA_GetElementAttributes(XFA_Element eElement, int32_t& iCount) {
+  if (eElement == XFA_Element::Unknown)
+    return nullptr;
+
+  const XFA_ELEMENTHIERARCHY* pElement =
+      g_XFAElementAttributeIndex + static_cast<int32_t>(eElement);
+  iCount = pElement->wCount;
+  return g_XFAElementAttributeData + pElement->wStart;
+}
+
+const XFA_ELEMENTINFO* XFA_GetElementByID(XFA_Element eName) {
+  return eName != XFA_Element::Unknown
+             ? g_XFAElementData + static_cast<int32_t>(eName)
+             : nullptr;
+}
+
+XFA_Element XFA_GetElementTypeForName(const CFX_WideStringC& wsName) {
+  if (wsName.IsEmpty())
+    return XFA_Element::Unknown;
+
+  uint32_t uHash = FX_HashCode_GetW(wsName, false);
+  const XFA_ELEMENTINFO* pEnd = g_XFAElementData + g_iXFAElementCount;
+  auto pInfo = std::lower_bound(g_XFAElementData, pEnd, uHash,
+                                [](const XFA_ELEMENTINFO& info, uint32_t hash) {
+                                  return info.uHash < hash;
+                                });
+  if (pInfo < pEnd && pInfo->uHash == uHash)
+    return pInfo->eName;
+  return XFA_Element::Unknown;
+}
+
+CXFA_Measurement XFA_GetAttributeDefaultValue_Measure(XFA_Element eElement,
+                                                      XFA_ATTRIBUTE eAttribute,
+                                                      uint32_t dwPacket) {
+  void* pValue;
+  if (XFA_GetAttributeDefaultValue(pValue, eElement, eAttribute,
+                                   XFA_ATTRIBUTETYPE_Measure, dwPacket)) {
+    return *(CXFA_Measurement*)pValue;
+  }
+  return CXFA_Measurement();
+}
+
+FX_BOOL XFA_GetAttributeDefaultValue(void*& pValue,
+                                     XFA_Element eElement,
+                                     XFA_ATTRIBUTE eAttribute,
+                                     XFA_ATTRIBUTETYPE eType,
+                                     uint32_t dwPacket) {
+  const XFA_ATTRIBUTEINFO* pInfo = XFA_GetAttributeByID(eAttribute);
+  if (!pInfo)
+    return FALSE;
+  if (dwPacket && (dwPacket & pInfo->dwPackets) == 0)
+    return FALSE;
+  if (pInfo->eType == eType) {
+    pValue = pInfo->pDefValue;
+    return TRUE;
+  }
+  if (pInfo->eType == XFA_ATTRIBUTETYPE_NOTSURE) {
+    const XFA_NOTSUREATTRIBUTE* pAttr =
+        XFA_GetNotsureAttribute(eElement, eAttribute, eType);
+    if (pAttr) {
+      pValue = pAttr->pValue;
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+const XFA_ATTRIBUTEINFO* XFA_GetAttributeByName(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_iXFAAttributeCount - 1;
+  do {
+    int32_t iMid = (iStart + iEnd) / 2;
+    const XFA_ATTRIBUTEINFO* pInfo = g_XFAAttributeData + iMid;
+    if (uHash == pInfo->uHash)
+      return pInfo;
+    if (uHash < pInfo->uHash)
+      iEnd = iMid - 1;
+    else
+      iStart = iMid + 1;
+  } while (iStart <= iEnd);
+  return nullptr;
+}
+
+const XFA_ATTRIBUTEINFO* XFA_GetAttributeByID(XFA_ATTRIBUTE eName) {
+  return (eName < g_iXFAAttributeCount) ? (g_XFAAttributeData + eName)
+                                        : nullptr;
+}
+
+const XFA_ATTRIBUTEENUMINFO* XFA_GetAttributeEnumByName(
+    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_iXFAEnumCount - 1;
+  do {
+    int32_t iMid = (iStart + iEnd) / 2;
+    const XFA_ATTRIBUTEENUMINFO* pInfo = g_XFAEnumData + iMid;
+    if (uHash == pInfo->uHash)
+      return pInfo;
+    if (uHash < pInfo->uHash)
+      iEnd = iMid - 1;
+    else
+      iStart = iMid + 1;
+  } while (iStart <= iEnd);
+  return nullptr;
+}
+
+const XFA_PACKETINFO* XFA_GetPacketByIndex(XFA_PACKET ePacket) {
+  return g_XFAPacketData + ePacket;
+}
+
+const XFA_PACKETINFO* XFA_GetPacketByID(uint32_t dwPacket) {
+  int32_t iStart = 0, iEnd = g_iXFAPacketCount - 1;
+  do {
+    int32_t iMid = (iStart + iEnd) / 2;
+    uint32_t dwFind = (g_XFAPacketData + iMid)->eName;
+    if (dwPacket == dwFind)
+      return g_XFAPacketData + iMid;
+    if (dwPacket < dwFind)
+      iEnd = iMid - 1;
+    else
+      iStart = iMid + 1;
+  } while (iStart <= iEnd);
+  return nullptr;
+}