static CPDF_Object* SearchNameNode(CPDF_Dictionary* pNode,
const CFX_ByteString& csName,
int& nIndex,
CPDF_Array** ppFind,
int nLevel = 0) {
if (nLevel > nMaxRecursion) {
return NULL;
}
CPDF_Array* pLimits = pNode->GetArrayBy("Limits");
if (pLimits) {
CFX_ByteString csLeft = pLimits->GetStringAt(0);
CFX_ByteString csRight = pLimits->GetStringAt(1);
if (csLeft.Compare(csRight) > 0) {
CFX_ByteString csTmp = csRight;
csRight = csLeft;
csLeft = csTmp;
}
if (csName.Compare(csLeft) < 0 || csName.Compare(csRight) > 0) {
return NULL;
}
}
CPDF_Array* pNames = pNode->GetArrayBy("Names");
if (pNames) {
FX_DWORD dwCount = pNames->GetCount() / 2;
for (FX_DWORD i = 0; i < dwCount; i++) {
CFX_ByteString csValue = pNames->GetStringAt(i * 2);
int32_t iCompare = csValue.Compare(csName);
if (iCompare <= 0) {
if (ppFind) {
*ppFind = pNames;
}
if (iCompare < 0) {
continue;
}
} else {
break;
}
nIndex += i;
return pNames->GetElementValue(i * 2 + 1);
}
nIndex += dwCount;
return NULL;
}
CPDF_Array* pKids = pNode->GetArrayBy("Kids");
if (!pKids) {
return NULL;
}
for (FX_DWORD i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pKid = pKids->GetDictAt(i);
if (!pKid) {
continue;
}
CPDF_Object* pFound =
SearchNameNode(pKid, csName, nIndex, ppFind, nLevel + 1);
if (pFound) {
return pFound;
}
}
return NULL;
}
void CheckUnSupportAnnot(CPDF_Document* pDoc, const CPDF_Annot* pPDFAnnot) {
CPDF_Annot::Subtype nAnnotSubtype = pPDFAnnot->GetSubtype();
if (nAnnotSubtype == CPDF_Annot::Subtype::THREED) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_3DANNOT);
} else if (nAnnotSubtype == CPDF_Annot::Subtype::SCREEN) {
const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
CFX_ByteString cbString;
if (pAnnotDict->KeyExist("IT"))
cbString = pAnnotDict->GetStringFor("IT");
if (cbString.Compare("Img") != 0)
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_MEDIA);
} else if (nAnnotSubtype == CPDF_Annot::Subtype::MOVIE) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_MOVIE);
} else if (nAnnotSubtype == CPDF_Annot::Subtype::SOUND) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SOUND);
} else if (nAnnotSubtype == CPDF_Annot::Subtype::RICHMEDIA) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA);
} else if (nAnnotSubtype == CPDF_Annot::Subtype::FILEATTACHMENT) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_ATTACHMENT);
} else if (nAnnotSubtype == CPDF_Annot::Subtype::WIDGET) {
const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
CFX_ByteString cbString;
if (pAnnotDict->KeyExist("FT"))
cbString = pAnnotDict->GetStringFor("FT");
if (cbString.Compare("Sig") == 0)
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG);
}
}
void CheckUnSupportAnnot(CPDF_Document* pDoc, const CPDF_Annot* pPDFAnnot) {
CFX_ByteString cbSubType = pPDFAnnot->GetSubType();
if (cbSubType.Compare("3D") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_3DANNOT);
} else if (cbSubType.Compare("Screen") == 0) {
const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
CFX_ByteString cbString;
if (pAnnotDict->KeyExist("IT"))
cbString = pAnnotDict->GetString("IT");
if (cbString.Compare("Img") != 0)
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_MEDIA);
} else if (cbSubType.Compare("Movie") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_MOVIE);
} else if (cbSubType.Compare("Sound") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SOUND);
} else if (cbSubType.Compare("RichMedia") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA);
} else if (cbSubType.Compare("FileAttachment") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_ATTACHMENT);
} else if (cbSubType.Compare("Widget") == 0) {
const CPDF_Dictionary* pAnnotDict = pPDFAnnot->GetAnnotDict();
CFX_ByteString cbString;
if (pAnnotDict->KeyExist("FT")) {
cbString = pAnnotDict->GetString("FT");
}
if (cbString.Compare("Sig") == 0) {
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG);
}
}
}
FX_INT32 CPDF_PageLabel::GetPageByLabel(FX_BSTR bsLabel) const
{
if (m_pDocument == NULL) {
return -1;
}
CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot();
if (pPDFRoot == NULL) {
return -1;
}
int nPages = m_pDocument->GetPageCount();
CFX_ByteString bsLbl;
CFX_ByteString bsOrig = bsLabel;
for (int i = 0; i < nPages; i++) {
bsLbl = PDF_EncodeText(GetLabel(i));
if (!bsLbl.Compare(bsOrig)) {
return i;
}
}
bsLbl = bsOrig;
int nPage = FXSYS_atoi(bsLbl);
if (nPage > 0 && nPage <= nPages) {
return nPage;
}
return -1;
}
void CheckUnSupportError(CPDF_Document* pDoc, FX_DWORD err_code) {
// Security
if (err_code == FPDF_ERR_SECURITY) {
FPDF_UnSupportError(FPDF_UNSP_DOC_SECURITY);
return;
}
if (!pDoc)
return;
// Portfolios and Packages
CPDF_Dictionary* pRootDict = pDoc->GetRoot();
if (pRootDict) {
CFX_ByteString cbString;
if (pRootDict->KeyExist("Collection")) {
FPDF_UnSupportError(FPDF_UNSP_DOC_PORTABLECOLLECTION);
return;
}
if (pRootDict->KeyExist("Names")) {
CPDF_Dictionary* pNameDict = pRootDict->GetDict("Names");
if (pNameDict && pNameDict->KeyExist("EmbeddedFiles")) {
FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT);
return;
}
if (pNameDict && pNameDict->KeyExist("JavaScript")) {
CPDF_Dictionary* pJSDict = pNameDict->GetDict("JavaScript");
CPDF_Array* pArray = pJSDict ? pJSDict->GetArray("Names") : NULL;
if (pArray) {
int nCount = pArray->GetCount();
for (int i = 0; i < nCount; i++) {
CFX_ByteString cbStr = pArray->GetString(i);
if (cbStr.Compare("com.adobe.acrobat.SharedReview.Register") == 0) {
FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDREVIEW);
return;
}
}
}
}
}
}
// SharedForm
CPDF_Metadata metaData(pDoc);
const CXML_Element* pElement = metaData.GetRoot();
if (pElement)
CheckSharedForm(pElement, "workflowType");
// XFA Forms
CPDF_InterForm* pInterForm = new CPDF_InterForm(pDoc, FALSE);
if (pInterForm->HasXFAForm()) {
FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM);
}
delete pInterForm;
}
void CheckUnSupportError(CPDF_Document* pDoc, uint32_t err_code) {
// Security
if (err_code == FPDF_ERR_SECURITY) {
FPDF_UnSupportError(FPDF_UNSP_DOC_SECURITY);
return;
}
if (!pDoc)
return;
// Portfolios and Packages
CPDF_Dictionary* pRootDict = pDoc->GetRoot();
if (pRootDict) {
CFX_ByteString cbString;
if (pRootDict->KeyExist("Collection")) {
FPDF_UnSupportError(FPDF_UNSP_DOC_PORTABLECOLLECTION);
return;
}
if (pRootDict->KeyExist("Names")) {
CPDF_Dictionary* pNameDict = pRootDict->GetDictFor("Names");
if (pNameDict && pNameDict->KeyExist("EmbeddedFiles")) {
FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT);
return;
}
if (pNameDict && pNameDict->KeyExist("JavaScript")) {
CPDF_Dictionary* pJSDict = pNameDict->GetDictFor("JavaScript");
CPDF_Array* pArray = pJSDict ? pJSDict->GetArrayFor("Names") : nullptr;
if (pArray) {
for (size_t i = 0; i < pArray->GetCount(); i++) {
CFX_ByteString cbStr = pArray->GetStringAt(i);
if (cbStr.Compare("com.adobe.acrobat.SharedReview.Register") == 0) {
FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDREVIEW);
return;
}
}
}
}
}
}
// SharedForm
CPDF_Metadata metaData(pDoc);
const CXML_Element* pElement = metaData.GetRoot();
if (pElement)
CheckSharedForm(pElement, "workflowType");
#ifndef PDF_ENABLE_XFA
// XFA Forms
CPDF_InterForm interform(pDoc);
if (interform.HasXFAForm())
FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM);
#endif // PDF_ENABLE_XFA
}
void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding,
int& iBaseEncoding,
std::vector<CFX_ByteString>* pCharNames,
bool bEmbedded,
bool bTrueType) {
if (!pEncoding) {
if (m_BaseFont == "Symbol") {
iBaseEncoding = bTrueType ? PDFFONT_ENCODING_MS_SYMBOL
: PDFFONT_ENCODING_ADOBE_SYMBOL;
} else if (!bEmbedded && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) {
iBaseEncoding = PDFFONT_ENCODING_WINANSI;
}
return;
}
if (pEncoding->IsName()) {
if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL ||
iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) {
return;
}
if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == "Symbol") {
if (!bTrueType) {
iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL;
}
return;
}
CFX_ByteString bsEncoding = pEncoding->GetString();
if (bsEncoding.Compare("MacExpertEncoding") == 0) {
bsEncoding = "WinAnsiEncoding";
}
GetPredefinedEncoding(bsEncoding, &iBaseEncoding);
return;
}
CPDF_Dictionary* pDict = pEncoding->AsDictionary();
if (!pDict)
return;
if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) {
CFX_ByteString bsEncoding = pDict->GetStringFor("BaseEncoding");
if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) {
bsEncoding = "WinAnsiEncoding";
}
GetPredefinedEncoding(bsEncoding, &iBaseEncoding);
}
if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN)
iBaseEncoding = PDFFONT_ENCODING_STANDARD;
CPDF_Array* pDiffs = pDict->GetArrayFor("Differences");
if (!pDiffs)
return;
pCharNames->resize(256);
uint32_t cur_code = 0;
for (uint32_t i = 0; i < pDiffs->GetCount(); i++) {
CPDF_Object* pElement = pDiffs->GetDirectObjectAt(i);
if (!pElement)
continue;
if (CPDF_Name* pName = pElement->AsName()) {
if (cur_code < 256)
(*pCharNames)[cur_code] = pName->GetString();
cur_code++;
} else {
cur_code = pElement->GetInteger();
}
}
}
FX_BOOL CPDF_PageOrganizer::ExportPage(CPDF_Document* pSrcPDFDoc,
CFX_WordArray* nPageNum,
CPDF_Document* pDestPDFDoc,
int nIndex) {
int curpage = nIndex;
nonstd::unique_ptr<ObjectNumberMap> pObjNumberMap(new ObjectNumberMap);
for (int i = 0; i < nPageNum->GetSize(); ++i) {
CPDF_Dictionary* pCurPageDict = pDestPDFDoc->CreateNewPage(curpage);
CPDF_Dictionary* pSrcPageDict = pSrcPDFDoc->GetPage(nPageNum->GetAt(i) - 1);
if (!pSrcPageDict || !pCurPageDict)
return FALSE;
// Clone the page dictionary///////////
FX_POSITION SrcPos = pSrcPageDict->GetStartPos();
while (SrcPos) {
CFX_ByteString cbSrcKeyStr;
CPDF_Object* pObj = pSrcPageDict->GetNextElement(SrcPos, cbSrcKeyStr);
if (cbSrcKeyStr.Compare(("Type")) && cbSrcKeyStr.Compare(("Parent"))) {
if (pCurPageDict->KeyExist(cbSrcKeyStr))
pCurPageDict->RemoveAt(cbSrcKeyStr);
pCurPageDict->SetAt(cbSrcKeyStr, pObj->Clone());
}
}
// inheritable item///////////////////////
CPDF_Object* pInheritable = nullptr;
// 1 MediaBox //required
if (!pCurPageDict->KeyExist("MediaBox")) {
pInheritable = PageDictGetInheritableTag(pSrcPageDict, "MediaBox");
if (!pInheritable) {
// Search the "CropBox" from source page dictionary,
// if not exists,we take the letter size.
pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox");
if (pInheritable) {
pCurPageDict->SetAt("MediaBox", pInheritable->Clone());
} else {
// Make the default size to be letter size (8.5'x11')
CPDF_Array* pArray = new CPDF_Array;
pArray->AddNumber(0);
pArray->AddNumber(0);
pArray->AddNumber(612);
pArray->AddNumber(792);
pCurPageDict->SetAt("MediaBox", pArray);
}
} else {
pCurPageDict->SetAt("MediaBox", pInheritable->Clone());
}
}
// 2 Resources //required
if (!pCurPageDict->KeyExist("Resources")) {
pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Resources");
if (!pInheritable)
return FALSE;
pCurPageDict->SetAt("Resources", pInheritable->Clone());
}
// 3 CropBox //Optional
if (!pCurPageDict->KeyExist("CropBox")) {
pInheritable = PageDictGetInheritableTag(pSrcPageDict, "CropBox");
if (pInheritable)
pCurPageDict->SetAt("CropBox", pInheritable->Clone());
}
// 4 Rotate //Optional
if (!pCurPageDict->KeyExist("Rotate")) {
pInheritable = PageDictGetInheritableTag(pSrcPageDict, "Rotate");
if (pInheritable)
pCurPageDict->SetAt("Rotate", pInheritable->Clone());
}
/////////////////////////////////////////////
// Update the reference
FX_DWORD dwOldPageObj = pSrcPageDict->GetObjNum();
FX_DWORD dwNewPageObj = pCurPageDict->GetObjNum();
(*pObjNumberMap)[dwOldPageObj] = dwNewPageObj;
UpdateReference(pCurPageDict, pDestPDFDoc, pObjNumberMap.get());
++curpage;
}
return TRUE;
}
