Rename xfa_utils_imp to xfa_utils

This makes the cpp and unittest files match the naming of the header file.

Review-Url: https://codereview.chromium.org/2165833005

1 files changed, 486 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/xfa_utils.cpp b/xfa/fxfa/parser/xfa_utils.cpp
new file mode 100644
index 0000000000..da5b68516b
--- /dev/null
+++ b/xfa/fxfa/parser/xfa_utils.cpp
@@ -0,0 +1,486 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+#include "core/fxcrt/include/fx_ext.h"
+#include "xfa/fde/xml/fde_xml_imp.h"
+#include "xfa/fxfa/parser/cxfa_document.h"
+#include "xfa/fxfa/parser/cxfa_measurement.h"
+#include "xfa/fxfa/parser/xfa_basic_data.h"
+#include "xfa/fxfa/parser/xfa_localemgr.h"
+#include "xfa/fxfa/parser/xfa_localevalue.h"
+#include "xfa/fxfa/parser/xfa_object.h"
+
+namespace {
+
+const FX_DOUBLE fraction_scales[] = {0.1,
+                                     0.01,
+                                     0.001,
+                                     0.0001,
+                                     0.00001,
+                                     0.000001,
+                                     0.0000001,
+                                     0.00000001,
+                                     0.000000001,
+                                     0.0000000001,
+                                     0.00000000001,
+                                     0.000000000001,
+                                     0.0000000000001,
+                                     0.00000000000001,
+                                     0.000000000000001,
+                                     0.0000000000000001};
+
+FX_DOUBLE WideStringToDouble(const CFX_WideString& wsStringVal) {
+  CFX_WideString wsValue = wsStringVal;
+  wsValue.TrimLeft();
+  wsValue.TrimRight();
+  int64_t nIntegral = 0;
+  uint32_t dwFractional = 0;
+  int32_t nExponent = 0;
+  int32_t cc = 0;
+  bool bNegative = false;
+  bool bExpSign = false;
+  const FX_WCHAR* str = wsValue.c_str();
+  int32_t len = wsValue.GetLength();
+  if (str[0] == '+') {
+    cc++;
+  } else if (str[0] == '-') {
+    bNegative = true;
+    cc++;
+  }
+  int32_t nIntegralLen = 0;
+  while (cc < len) {
+    if (str[cc] == '.' || str[cc] == 'E' || str[cc] == 'e' ||
+        nIntegralLen > 17) {
+      break;
+    }
+    if (!FXSYS_isDecimalDigit(str[cc])) {
+      return 0;
+    }
+    nIntegral = nIntegral * 10 + str[cc] - '0';
+    cc++;
+    nIntegralLen++;
+  }
+  nIntegral = bNegative ? -nIntegral : nIntegral;
+  int32_t scale = 0;
+  FX_DOUBLE fraction = 0.0;
+  if (cc < len && str[cc] == '.') {
+    cc++;
+    while (cc < len) {
+      fraction += fraction_scales[scale] * (str[cc] - '0');
+      scale++;
+      cc++;
+      if (cc == len) {
+        break;
+      }
+      if (scale == sizeof(fraction_scales) / sizeof(FX_DOUBLE) ||
+          str[cc] == 'E' || str[cc] == 'e') {
+        break;
+      }
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return 0;
+      }
+    }
+    dwFractional = (uint32_t)(fraction * 4294967296.0);
+  }
+  if (cc < len && (str[cc] == 'E' || str[cc] == 'e')) {
+    cc++;
+    if (cc < len) {
+      if (str[cc] == '+') {
+        cc++;
+      } else if (str[cc] == '-') {
+        bExpSign = true;
+        cc++;
+      }
+    }
+    while (cc < len) {
+      if (str[cc] == '.' || !FXSYS_isDecimalDigit(str[cc])) {
+        return 0;
+      }
+      nExponent = nExponent * 10 + str[cc] - '0';
+      cc++;
+    }
+    nExponent = bExpSign ? -nExponent : nExponent;
+  }
+  FX_DOUBLE dValue = (dwFractional / 4294967296.0);
+  dValue = nIntegral + (nIntegral >= 0 ? dValue : -dValue);
+  if (nExponent != 0) {
+    dValue *= FXSYS_pow(10, (FX_FLOAT)nExponent);
+  }
+  return dValue;
+}
+
+}  // namespace
+
+CXFA_LocaleValue XFA_GetLocaleValue(CXFA_WidgetData* pWidgetData) {
+  CXFA_Node* pNodeValue =
+      pWidgetData->GetNode()->GetChild(0, XFA_Element::Value);
+  if (!pNodeValue) {
+    return CXFA_LocaleValue();
+  }
+  CXFA_Node* pValueChild = pNodeValue->GetNodeItem(XFA_NODEITEM_FirstChild);
+  if (!pValueChild) {
+    return CXFA_LocaleValue();
+  }
+  int32_t iVTType = XFA_VT_NULL;
+  switch (pValueChild->GetElementType()) {
+    case XFA_Element::Decimal:
+      iVTType = XFA_VT_DECIMAL;
+      break;
+    case XFA_Element::Float:
+      iVTType = XFA_VT_FLOAT;
+      break;
+    case XFA_Element::Date:
+      iVTType = XFA_VT_DATE;
+      break;
+    case XFA_Element::Time:
+      iVTType = XFA_VT_TIME;
+      break;
+    case XFA_Element::DateTime:
+      iVTType = XFA_VT_DATETIME;
+      break;
+    case XFA_Element::Boolean:
+      iVTType = XFA_VT_BOOLEAN;
+      break;
+    case XFA_Element::Integer:
+      iVTType = XFA_VT_INTEGER;
+      break;
+    case XFA_Element::Text:
+      iVTType = XFA_VT_TEXT;
+      break;
+    default:
+      iVTType = XFA_VT_NULL;
+      break;
+  }
+  return CXFA_LocaleValue(iVTType, pWidgetData->GetRawValue(),
+                          pWidgetData->GetNode()->GetDocument()->GetLocalMgr());
+}
+void XFA_GetPlainTextFromRichText(CFDE_XMLNode* pXMLNode,
+                                  CFX_WideString& wsPlainText) {
+  if (!pXMLNode) {
+    return;
+  }
+  switch (pXMLNode->GetType()) {
+    case FDE_XMLNODE_Element: {
+      CFDE_XMLElement* pXMLElement = static_cast<CFDE_XMLElement*>(pXMLNode);
+      CFX_WideString wsTag;
+      pXMLElement->GetLocalTagName(wsTag);
+      uint32_t uTag = FX_HashCode_GetW(wsTag.AsStringC(), true);
+      if (uTag == 0x0001f714) {
+        wsPlainText += L"\n";
+      } else if (uTag == 0x00000070) {
+        if (!wsPlainText.IsEmpty()) {
+          wsPlainText += L"\n";
+        }
+      } else if (uTag == 0xa48ac63) {
+        if (!wsPlainText.IsEmpty() &&
+            wsPlainText[wsPlainText.GetLength() - 1] != '\n') {
+          wsPlainText += L"\n";
+        }
+      }
+    } break;
+    case FDE_XMLNODE_Text: {
+      CFX_WideString wsContent;
+      static_cast<CFDE_XMLText*>(pXMLNode)->GetText(wsContent);
+      wsPlainText += wsContent;
+    } break;
+    case FDE_XMLNODE_CharData: {
+      CFX_WideString wsCharData;
+      static_cast<CFDE_XMLCharData*>(pXMLNode)->GetCharData(wsCharData);
+      wsPlainText += wsCharData;
+    } break;
+    default:
+      break;
+  }
+  for (CFDE_XMLNode* pChildXML =
+           pXMLNode->GetNodeItem(CFDE_XMLNode::FirstChild);
+       pChildXML;
+       pChildXML = pChildXML->GetNodeItem(CFDE_XMLNode::NextSibling)) {
+    XFA_GetPlainTextFromRichText(pChildXML, wsPlainText);
+  }
+}
+
+FX_BOOL XFA_FieldIsMultiListBox(CXFA_Node* pFieldNode) {
+  FX_BOOL bRet = FALSE;
+  if (!pFieldNode)
+    return bRet;
+
+  CXFA_Node* pUIChild = pFieldNode->GetChild(0, XFA_Element::Ui);
+  if (pUIChild) {
+    CXFA_Node* pFirstChild = pUIChild->GetNodeItem(XFA_NODEITEM_FirstChild);
+    if (pFirstChild &&
+        pFirstChild->GetElementType() == XFA_Element::ChoiceList) {
+      bRet = pFirstChild->GetEnum(XFA_ATTRIBUTE_Open) ==
+             XFA_ATTRIBUTEENUM_MultiSelect;
+    }
+  }
+  return bRet;
+}
+
+FX_DOUBLE XFA_ByteStringToDouble(const CFX_ByteStringC& szStringVal) {
+  CFX_WideString wsValue = CFX_WideString::FromUTF8(szStringVal);
+  return WideStringToDouble(wsValue);
+}
+
+int32_t XFA_MapRotation(int32_t nRotation) {
+  nRotation = nRotation % 360;
+  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;
+}