Example #1
0
CFDF_Document* CPDF_InterForm::ExportToFDF(
    const CFX_WideStringC& pdf_path,
    const std::vector<CPDF_FormField*>& fields,
    bool bIncludeOrExclude,
    bool bSimpleFileSpec) const {
  CFDF_Document* pDoc = CFDF_Document::CreateNewDoc();
  if (!pDoc)
    return nullptr;

  CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictBy("FDF");
  if (!pdf_path.IsEmpty()) {
    if (bSimpleFileSpec) {
      CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
      pMainDict->SetAtString("F", CFX_ByteString::FromUnicode(wsFilePath));
      pMainDict->SetAtString("UF", PDF_EncodeText(wsFilePath));
    } else {
      CPDF_FileSpec filespec;
      filespec.SetFileName(pdf_path);
      pMainDict->SetAt("F", filespec.GetObj());
    }
  }

  CPDF_Array* pFields = new CPDF_Array;
  pMainDict->SetAt("Fields", pFields);
  int nCount = m_pFieldTree->m_Root.CountFields();
  for (int i = 0; i < nCount; i++) {
    CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
    if (!pField || pField->GetType() == CPDF_FormField::PushButton)
      continue;

    uint32_t dwFlags = pField->GetFieldFlags();
    if (dwFlags & 0x04)
      continue;

    if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
      if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringBy("V").IsEmpty())
        continue;

      CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
      CPDF_Dictionary* pFieldDict = new CPDF_Dictionary;
      pFieldDict->SetAt("T", new CPDF_String(fullname));
      if (pField->GetType() == CPDF_FormField::CheckBox ||
          pField->GetType() == CPDF_FormField::RadioButton) {
        CFX_WideString csExport = pField->GetCheckValue(FALSE);
        CFX_ByteString csBExport = PDF_EncodeText(csExport);
        CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
        if (pOpt)
          pFieldDict->SetAtString("V", csBExport);
        else
          pFieldDict->SetAtName("V", csBExport);
      } else {
        CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
        if (pV)
          pFieldDict->SetAt("V", pV->CloneDirectObject());
      }
      pFields->Add(pFieldDict);
    }
  }
  return pDoc;
}
Example #2
0
std::unique_ptr<CFDF_Document> CPDF_InterForm::ExportToFDF(
    const CFX_WideStringC& pdf_path,
    const std::vector<CPDF_FormField*>& fields,
    bool bIncludeOrExclude,
    bool bSimpleFileSpec) const {
  std::unique_ptr<CFDF_Document> pDoc = CFDF_Document::CreateNewDoc();
  if (!pDoc)
    return nullptr;

  CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictFor("FDF");
  if (!pdf_path.IsEmpty()) {
    if (bSimpleFileSpec) {
      CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
      pMainDict->SetNewFor<CPDF_String>(
          "F", CFX_ByteString::FromUnicode(wsFilePath), false);
      pMainDict->SetNewFor<CPDF_String>("UF", PDF_EncodeText(wsFilePath),
                                        false);
    } else {
      CPDF_FileSpec filespec(pDoc->GetByteStringPool());
      filespec.SetFileName(pdf_path);
      pMainDict->SetFor("F", pdfium::WrapUnique(filespec.GetObj()));
    }
  }

  CPDF_Array* pFields = pMainDict->SetNewFor<CPDF_Array>("Fields");
  size_t nCount = m_pFieldTree->m_Root.CountFields();
  for (size_t i = 0; i < nCount; ++i) {
    CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
    if (!pField || pField->GetType() == CPDF_FormField::PushButton)
      continue;

    uint32_t dwFlags = pField->GetFieldFlags();
    if (dwFlags & 0x04)
      continue;

    if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
      if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringFor("V").IsEmpty())
        continue;

      CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
      auto pFieldDict =
          pdfium::MakeUnique<CPDF_Dictionary>(pDoc->GetByteStringPool());
      pFieldDict->SetNewFor<CPDF_String>("T", fullname);
      if (pField->GetType() == CPDF_FormField::CheckBox ||
          pField->GetType() == CPDF_FormField::RadioButton) {
        CFX_WideString csExport = pField->GetCheckValue(false);
        CFX_ByteString csBExport = PDF_EncodeText(csExport);
        CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
        if (pOpt)
          pFieldDict->SetNewFor<CPDF_String>("V", csBExport, false);
        else
          pFieldDict->SetNewFor<CPDF_Name>("V", csBExport);
      } else {
        CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
        if (pV)
          pFieldDict->SetFor("V", pV->CloneDirectObject());
      }
      pFields->Add(std::move(pFieldDict));
    }
  }
  return pDoc;
}
Example #3
0
CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
  if (!pFieldDict->KeyExist("FT")) {
    // Key "FT" is required for terminal fields, it is also inheritable.
    CPDF_Dictionary* pParentDict = pFieldDict->GetDictFor("Parent");
    if (!pParentDict || !pParentDict->KeyExist("FT"))
      return nullptr;
  }

  CPDF_Dictionary* pDict = pFieldDict;
  CFX_WideString csWName = FPDF_GetFullName(pFieldDict);
  if (csWName.IsEmpty())
    return nullptr;

  CPDF_FormField* pField = nullptr;
  pField = m_pFieldTree->GetField(csWName);
  if (!pField) {
    CPDF_Dictionary* pParent = pFieldDict;
    if (!pFieldDict->KeyExist("T") &&
        pFieldDict->GetStringFor("Subtype") == "Widget") {
      pParent = pFieldDict->GetDictFor("Parent");
      if (!pParent)
        pParent = pFieldDict;
    }

    if (pParent && pParent != pFieldDict && !pParent->KeyExist("FT")) {
      if (pFieldDict->KeyExist("FT")) {
        CPDF_Object* pFTValue = pFieldDict->GetDirectObjectFor("FT");
        if (pFTValue)
          pParent->SetFor("FT", pFTValue->Clone());
      }

      if (pFieldDict->KeyExist("Ff")) {
        CPDF_Object* pFfValue = pFieldDict->GetDirectObjectFor("Ff");
        if (pFfValue)
          pParent->SetFor("Ff", pFfValue->Clone());
      }
    }

    pField = new CPDF_FormField(this, pParent);
    CPDF_Object* pTObj = pDict->GetObjectFor("T");
    if (ToReference(pTObj)) {
      std::unique_ptr<CPDF_Object> pClone = pTObj->CloneDirectObject();
      if (pClone)
        pDict->SetFor("T", std::move(pClone));
      else
        pDict->SetNewFor<CPDF_Name>("T", "");
    }
    m_pFieldTree->SetField(csWName, pField);
  }

  CPDF_Array* pKids = pFieldDict->GetArrayFor("Kids");
  if (pKids) {
    for (size_t i = 0; i < pKids->GetCount(); i++) {
      CPDF_Dictionary* pKid = pKids->GetDictAt(i);
      if (!pKid)
        continue;
      if (pKid->GetStringFor("Subtype") != "Widget")
        continue;

      AddControl(pField, pKid);
    }
  } else {
    if (pFieldDict->GetStringFor("Subtype") == "Widget")
      AddControl(pField, pFieldDict);
  }
  return pField;
}
Example #4
0
CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) {
  if (!pFieldDict->KeyExist("T"))
    return nullptr;

  CPDF_Dictionary* pDict = pFieldDict;
  CFX_WideString csWName = FPDF_GetFullName(pFieldDict);
  if (csWName.IsEmpty())
    return nullptr;

  CPDF_FormField* pField = nullptr;
  pField = m_pFieldTree->GetField(csWName);
  if (!pField) {
    CPDF_Dictionary* pParent = pFieldDict;
    if (!pFieldDict->KeyExist("T") &&
        pFieldDict->GetStringBy("Subtype") == "Widget") {
      pParent = pFieldDict->GetDictBy("Parent");
      if (!pParent)
        pParent = pFieldDict;
    }

    if (pParent && pParent != pFieldDict && !pParent->KeyExist("FT")) {
      if (pFieldDict->KeyExist("FT")) {
        CPDF_Object* pFTValue = pFieldDict->GetDirectObjectBy("FT");
        if (pFTValue)
          pParent->SetAt("FT", pFTValue->Clone());
      }

      if (pFieldDict->KeyExist("Ff")) {
        CPDF_Object* pFfValue = pFieldDict->GetDirectObjectBy("Ff");
        if (pFfValue)
          pParent->SetAt("Ff", pFfValue->Clone());
      }
    }

    pField = new CPDF_FormField(this, pParent);
    CPDF_Object* pTObj = pDict->GetObjectBy("T");
    if (ToReference(pTObj)) {
      CPDF_Object* pClone = pTObj->CloneDirectObject();
      if (pClone)
        pDict->SetAt("T", pClone);
      else
        pDict->SetAtName("T", "");
    }
    m_pFieldTree->SetField(csWName, pField);
  }

  CPDF_Array* pKids = pFieldDict->GetArrayBy("Kids");
  if (!pKids) {
    if (pFieldDict->GetStringBy("Subtype") == "Widget")
      AddControl(pField, pFieldDict);
  } else {
    for (size_t i = 0; i < pKids->GetCount(); i++) {
      CPDF_Dictionary* pKid = pKids->GetDictAt(i);
      if (!pKid)
        continue;
      if (pKid->GetStringBy("Subtype") != "Widget")
        continue;

      AddControl(pField, pKid);
    }
  }
  return pField;
}