CFX_WideString FPDF_FileSpec_GetWin32Path(const CPDF_Object* pFileSpec)
{
CFX_WideString wsFileName;
if (pFileSpec->GetType() == PDFOBJ_DICTIONARY) {
CPDF_Dictionary* pDict = (CPDF_Dictionary*)pFileSpec;
wsFileName = pDict->GetUnicodeText(FX_BSTRC("UF"));
if (wsFileName.IsEmpty()) {
wsFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("F")));
}
if (pDict->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL")) {
return wsFileName;
}
if (wsFileName.IsEmpty() && pDict->KeyExist(FX_BSTRC("DOS"))) {
wsFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("DOS")));
}
} else {
wsFileName = CFX_WideString::FromLocal(pFileSpec->GetString());
}
if (wsFileName[0] != '/') {
return ChangeSlash(wsFileName);
}
if (wsFileName[2] == '/') {
CFX_WideString result;
result += wsFileName[1];
result += ':';
result += ChangeSlash(((FX_LPCWSTR)wsFileName) + 2);
return result;
} else {
CFX_WideString result;
result += '\\';
result += ChangeSlash(wsFileName);
return result;
}
}
FX_BOOL CPDF_FileSpec::GetFileName(CFX_WideString &csFileName) const
{
if (m_pObj == NULL) {
return FALSE;
}
if (m_pObj->GetType() == PDFOBJ_DICTIONARY) {
CPDF_Dictionary* pDict = (CPDF_Dictionary*)m_pObj;
csFileName = pDict->GetUnicodeText(FX_BSTRC("UF"));
if (csFileName.IsEmpty()) {
csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("F")));
}
if (pDict->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL")) {
return TRUE;
}
if (csFileName.IsEmpty()) {
if (pDict->KeyExist(FX_BSTRC("DOS"))) {
csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("DOS")));
} else if (pDict->KeyExist(FX_BSTRC("Mac"))) {
csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("Mac")));
} else if (pDict->KeyExist(FX_BSTRC("Unix"))) {
csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("Unix")));
} else {
return FALSE;
}
}
} else {
csFileName = CFX_WideString::FromLocal(m_pObj->GetString());
}
csFileName = FILESPEC_DecodeFileName(csFileName);
return TRUE;
}
FX_BOOL CPDF_OCContext::LoadOCGState(const CPDF_Dictionary *pOCGDict) const
{
if (!FPDFDOC_OCG_HasIntent(pOCGDict, FX_BSTRC("View"), FX_BSTRC("View"))) {
return TRUE;
}
CFX_ByteString csState = FPDFDOC_OCG_GetUsageTypeString(m_eUsageType);
CPDF_Dictionary *pUsage = pOCGDict->GetDict(FX_BSTRC("Usage"));
if (pUsage) {
CPDF_Dictionary *pState = pUsage->GetDict(csState);
if (pState) {
CFX_ByteString csFind = csState + FX_BSTRC("State");
if (pState->KeyExist(csFind)) {
return pState->GetString(csFind) != FX_BSTRC("OFF");
}
}
if (csState != FX_BSTRC("View")) {
pState = pUsage->GetDict(FX_BSTRC("View"));
if (pState && pState->KeyExist(FX_BSTRC("ViewState"))) {
return pState->GetString(FX_BSTRC("ViewState")) != FX_BSTRC("OFF");
}
}
}
FX_BOOL bDefValid = FALSE;
return LoadOCGStateFromConfig(csState, pOCGDict, bDefValid);
}
FX_BOOL CPDF_OCContext::LoadOCGStateFromConfig(const CFX_ByteStringC& csConfig,
const CPDF_Dictionary* pOCGDict,
FX_BOOL& bValidConfig) const {
CPDF_Dictionary* pConfig =
FPDFDOC_OCG_GetConfig(m_pDocument, pOCGDict, csConfig);
if (!pConfig) {
return TRUE;
}
bValidConfig = TRUE;
FX_BOOL bState = pConfig->GetString(FX_BSTRC("BaseState"), FX_BSTRC("ON")) !=
FX_BSTRC("OFF");
CPDF_Array* pArray = pConfig->GetArray(FX_BSTRC("ON"));
if (pArray) {
if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
bState = TRUE;
}
}
pArray = pConfig->GetArray(FX_BSTRC("OFF"));
if (pArray) {
if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
bState = FALSE;
}
}
pArray = pConfig->GetArray(FX_BSTRC("AS"));
if (pArray) {
CFX_ByteString csFind = csConfig + FX_BSTRC("State");
int32_t iCount = pArray->GetCount();
for (int32_t i = 0; i < iCount; i++) {
CPDF_Dictionary* pUsage = pArray->GetDict(i);
if (!pUsage) {
continue;
}
if (pUsage->GetString(FX_BSTRC("Event"), FX_BSTRC("View")) != csConfig) {
continue;
}
CPDF_Array* pOCGs = pUsage->GetArray(FX_BSTRC("OCGs"));
if (!pOCGs) {
continue;
}
if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
continue;
}
CPDF_Dictionary* pState = pUsage->GetDict(csConfig);
if (!pState) {
continue;
}
bState = pState->GetString(csFind) != FX_BSTRC("OFF");
}
}
return bState;
}
CPDF_Object* CPDF_StructElementImpl::GetAttr(FX_BSTR owner, FX_BSTR name, FX_BOOL bInheritable, FX_FLOAT fLevel)
{
if (fLevel > nMaxRecursion) {
return NULL;
}
if (bInheritable) {
CPDF_Object* pAttr = GetAttr(owner, name, FALSE);
if (pAttr) {
return pAttr;
}
if (m_pParent == NULL) {
return NULL;
}
return m_pParent->GetAttr(owner, name, TRUE, fLevel + 1);
}
CPDF_Object* pA = m_pDict->GetElementValue(FX_BSTRC("A"));
if (pA) {
CPDF_Dictionary* pAttrDict = FindAttrDict(pA, owner);
if (pAttrDict) {
CPDF_Object* pAttr = pAttrDict->GetElementValue(name);
if (pAttr) {
return pAttr;
}
}
}
CPDF_Object* pC = m_pDict->GetElementValue(FX_BSTRC("C"));
if (pC == NULL) {
return NULL;
}
CPDF_Dictionary* pClassMap = m_pTree->m_pTreeRoot->GetDict(FX_BSTRC("ClassMap"));
if (pClassMap == NULL) {
return NULL;
}
if (pC->GetType() == PDFOBJ_ARRAY) {
CPDF_Array* pArray = (CPDF_Array*)pC;
for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
CFX_ByteString class_name = pArray->GetString(i);
CPDF_Dictionary* pClassDict = pClassMap->GetDict(class_name);
if (pClassDict && pClassDict->GetString(FX_BSTRC("O")) == owner) {
return pClassDict->GetElementValue(name);
}
}
return NULL;
}
CFX_ByteString class_name = pC->GetString();
CPDF_Dictionary* pClassDict = pClassMap->GetDict(class_name);
if (pClassDict && pClassDict->GetString(FX_BSTRC("O")) == owner) {
return pClassDict->GetElementValue(name);
}
return NULL;
}
FX_BOOL CPDF_PageOrganizer::PDFDocInit(CPDF_Document* pDestPDFDoc,
CPDF_Document* pSrcPDFDoc) {
if (!pDestPDFDoc || !pSrcPDFDoc)
return FALSE;
CPDF_Dictionary* pNewRoot = pDestPDFDoc->GetRoot();
if (!pNewRoot)
return FALSE;
// Set the document information////////////////////////////////////////////
CPDF_Dictionary* DInfoDict = pDestPDFDoc->GetInfo();
if (!DInfoDict)
return FALSE;
CFX_ByteString producerstr;
producerstr.Format("PDFium");
DInfoDict->SetAt("Producer", new CPDF_String(producerstr));
// Set type////////////////////////////////////////////////////////////////
CFX_ByteString cbRootType = pNewRoot->GetString("Type", "");
if (cbRootType.Equal("")) {
pNewRoot->SetAt("Type", new CPDF_Name("Catalog"));
}
CPDF_Object* pElement = pNewRoot->GetElement("Pages");
CPDF_Dictionary* pNewPages =
pElement ? ToDictionary(pElement->GetDirect()) : nullptr;
if (!pNewPages) {
pNewPages = new CPDF_Dictionary;
FX_DWORD NewPagesON = pDestPDFDoc->AddIndirectObject(pNewPages);
pNewRoot->SetAt("Pages", new CPDF_Reference(pDestPDFDoc, NewPagesON));
}
CFX_ByteString cbPageType = pNewPages->GetString("Type", "");
if (cbPageType.Equal("")) {
pNewPages->SetAt("Type", new CPDF_Name("Pages"));
}
CPDF_Array* pKeysArray = pNewPages->GetArray("Kids");
if (!pKeysArray) {
CPDF_Array* pNewKids = new CPDF_Array;
FX_DWORD Kidsobjnum = -1;
Kidsobjnum = pDestPDFDoc->AddIndirectObject(pNewKids);
pNewPages->SetAt("Kids", new CPDF_Reference(pDestPDFDoc, Kidsobjnum));
pNewPages->SetAt("Count", new CPDF_Number(0));
}
return TRUE;
}
int CPDFSDK_Annot::GetBorderStyle() const
{
ASSERT(m_pAnnot != NULL);
ASSERT(m_pAnnot->m_pAnnotDict != NULL);
CPDF_Dictionary* pBSDict = m_pAnnot->m_pAnnotDict->GetDict("BS");
if (pBSDict)
{
CFX_ByteString sBorderStyle = pBSDict->GetString("S", "S");
if (sBorderStyle == "S") return BBS_SOLID;
if (sBorderStyle == "D") return BBS_DASH;
if (sBorderStyle == "B") return BBS_BEVELED;
if (sBorderStyle == "I") return BBS_INSET;
if (sBorderStyle == "U") return BBS_UNDERLINE;
}
CPDF_Array* pBorder = m_pAnnot->m_pAnnotDict->GetArray("Border");
if (pBorder)
{
if (pBorder->GetCount() >= 4)
{
CPDF_Array *pDP = pBorder->GetArray(3);
if (pDP && pDP->GetCount() > 0)
return BBS_DASH;
}
}
return BBS_SOLID;
}
CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
FX_DWORD index,
CFX_ByteString& csNameTag) {
if (!pFormDict) {
return NULL;
}
CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
if (!pDR) {
return NULL;
}
CPDF_Dictionary* pFonts = pDR->GetDict("Font");
if (!pFonts) {
return NULL;
}
FX_DWORD dwCount = 0;
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetString("Type") != "Font")
continue;
if (dwCount == index) {
csNameTag = csKey;
return pDocument->LoadFont(pElement);
}
dwCount++;
}
return NULL;
}
FX_DWORD CPDF_ActionFields::GetFieldsCount() const {
if (!m_pAction) {
return 0;
}
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict) {
return 0;
}
CFX_ByteString csType = pDict->GetString("S");
CPDF_Object* pFields = NULL;
if (csType == "Hide") {
pFields = pDict->GetElementValue("T");
} else {
pFields = pDict->GetArray("Fields");
}
if (!pFields)
return 0;
if (pFields->IsDictionary())
return 1;
if (pFields->IsString())
return 1;
if (CPDF_Array* pArray = pFields->AsArray())
return pArray->GetCount();
return 0;
}
FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict,
const CPDF_Font* pFont,
CFX_ByteString& csNameTag) {
if (!pFormDict || !pFont) {
return FALSE;
}
CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
if (!pDR) {
return FALSE;
}
CPDF_Dictionary* pFonts = pDR->GetDict("Font");
if (!pFonts) {
return FALSE;
}
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetString("Type") != "Font") {
continue;
}
if (pFont->GetFontDict() == pElement) {
csNameTag = csKey;
return TRUE;
}
}
return FALSE;
}
CPDF_Object* CPDF_ActionFields::GetField(FX_DWORD iIndex) const {
if (!m_pAction) {
return NULL;
}
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict) {
return NULL;
}
CFX_ByteString csType = pDict->GetString("S");
CPDF_Object* pFields = NULL;
if (csType == "Hide") {
pFields = pDict->GetElementValue("T");
} else {
pFields = pDict->GetArray("Fields");
}
if (!pFields) {
return NULL;
}
CPDF_Object* pFindObj = NULL;
if (pFields->IsDictionary() || pFields->IsString()) {
if (iIndex == 0)
pFindObj = pFields;
} else if (CPDF_Array* pArray = pFields->AsArray()) {
pFindObj = pArray->GetElementValue(iIndex);
}
return pFindObj;
}
std::vector<CPDF_Object*> CPDF_ActionFields::GetAllFields() const {
std::vector<CPDF_Object*> fields;
if (!m_pAction)
return fields;
CPDF_Dictionary* pDict = m_pAction->GetDict();
if (!pDict)
return fields;
CFX_ByteString csType = pDict->GetString("S");
CPDF_Object* pFields;
if (csType == "Hide")
pFields = pDict->GetElementValue("T");
else
pFields = pDict->GetArray("Fields");
if (!pFields)
return fields;
if (pFields->IsDictionary() || pFields->IsString()) {
fields.push_back(pFields);
} else if (CPDF_Array* pArray = pFields->AsArray()) {
FX_DWORD iCount = pArray->GetCount();
for (FX_DWORD i = 0; i < iCount; ++i) {
CPDF_Object* pObj = pArray->GetElementValue(i);
if (pObj) {
fields.push_back(pObj);
}
}
}
return fields;
}
static CPDF_Dictionary* FindAttrDict(CPDF_Object* pAttrs, FX_BSTR owner, FX_FLOAT nLevel = 0.0F)
{
if (nLevel > nMaxRecursion) {
return NULL;
}
if (pAttrs == NULL) {
return NULL;
}
CPDF_Dictionary* pDict = NULL;
if (pAttrs->GetType() == PDFOBJ_DICTIONARY) {
pDict = (CPDF_Dictionary*)pAttrs;
} else if (pAttrs->GetType() == PDFOBJ_STREAM) {
pDict = ((CPDF_Stream*)pAttrs)->GetDict();
} else if (pAttrs->GetType() == PDFOBJ_ARRAY) {
CPDF_Array* pArray = (CPDF_Array*)pAttrs;
for (FX_DWORD i = 0; i < pArray->GetCount(); i ++) {
CPDF_Object* pElement = pArray->GetElementValue(i);
pDict = FindAttrDict(pElement, owner, nLevel + 1);
if (pDict) {
return pDict;
}
}
}
if (pDict && pDict->GetString(FX_BSTRC("O")) == owner) {
return pDict;
}
return NULL;
}
FX_BOOL CPDF_InterForm::ImportFromFDF(const CFDF_Document* pFDF,
FX_BOOL bNotify) {
if (pFDF == NULL) {
return FALSE;
}
CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDict("FDF");
if (pMainDict == NULL) {
return FALSE;
}
CPDF_Array* pFields = pMainDict->GetArray("Fields");
if (pFields == NULL) {
return FALSE;
}
m_bsEncoding = pMainDict->GetString(FX_BSTRC("Encoding"));
if (bNotify && m_pFormNotify != NULL) {
int iRet = m_pFormNotify->BeforeFormImportData(this);
if (iRet < 0) {
return FALSE;
}
}
for (FX_DWORD i = 0; i < pFields->GetCount(); i++) {
CPDF_Dictionary* pField = pFields->GetDict(i);
if (pField == NULL) {
continue;
}
FDF_ImportField(pField, L"", bNotify);
}
if (bNotify && m_pFormNotify != NULL) {
m_pFormNotify->AfterFormImportData(this);
}
return TRUE;
}
CPDF_FormField* CPDF_InterForm::CheckRequiredFields(
const std::vector<CPDF_FormField*>* fields,
bool bIncludeOrExclude) const {
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)
continue;
int32_t iType = pField->GetType();
if (iType == CPDF_FormField::PushButton ||
iType == CPDF_FormField::CheckBox || iType == CPDF_FormField::ListBox) {
continue;
}
FX_DWORD dwFlags = pField->GetFieldFlags();
// TODO(thestig): Look up these magic numbers and add constants for them.
if (dwFlags & 0x04)
continue;
bool bFind = true;
if (fields) {
auto it = std::find(fields->begin(), fields->end(), pField);
bFind = (it != fields->end());
}
if (bIncludeOrExclude == bFind) {
CPDF_Dictionary* pFieldDict = pField->m_pDict;
if ((dwFlags & 0x02) != 0 && pFieldDict->GetString("V").IsEmpty()) {
return pField;
}
}
}
return nullptr;
}
void CheckUnSupportAnnot(CPDF_Document * pDoc, 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)
{
CPDF_Dictionary* pAnnotDict = pPDFAnnot->m_pAnnotDict;
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)
{
CPDF_Dictionary* pAnnotDict = pPDFAnnot->m_pAnnotDict;
CFX_ByteString cbString;
if(pAnnotDict->KeyExist("FT"))
{
cbString = pAnnotDict->GetString("FT");
}
if(cbString.Compare("Sig") == 0)
{
FPDF_UnSupportError(FPDF_UNSP_ANNOT_SIG);
}
}
}
void CPDF_StructElementImpl::LoadKid(FX_DWORD PageObjNum, CPDF_Object* pKidObj, CPDF_StructKid* pKid)
{
pKid->m_Type = CPDF_StructKid::Invalid;
if (pKidObj == NULL) {
return;
}
if (pKidObj->GetType() == PDFOBJ_NUMBER) {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::PageContent;
pKid->m_PageContent.m_ContentId = pKidObj->GetInteger();
pKid->m_PageContent.m_PageObjNum = PageObjNum;
return;
}
if (pKidObj->GetType() != PDFOBJ_DICTIONARY) {
return;
}
CPDF_Dictionary* pKidDict = (CPDF_Dictionary*)pKidObj;
CPDF_Object* pPageObj = pKidDict->GetElement(FX_BSTRC("Pg"));
if (pPageObj && pPageObj->GetType() == PDFOBJ_REFERENCE) {
PageObjNum = ((CPDF_Reference*)pPageObj)->GetRefObjNum();
}
CFX_ByteString type = pKidDict->GetString(FX_BSTRC("Type"));
if (type == FX_BSTRC("MCR")) {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::StreamContent;
CPDF_Object* pStreamObj = pKidDict->GetElement(FX_BSTRC("Stm"));
if (pStreamObj && pStreamObj->GetType() == PDFOBJ_REFERENCE) {
pKid->m_StreamContent.m_RefObjNum = ((CPDF_Reference*)pStreamObj)->GetRefObjNum();
} else {
pKid->m_StreamContent.m_RefObjNum = 0;
}
pKid->m_StreamContent.m_PageObjNum = PageObjNum;
pKid->m_StreamContent.m_ContentId = pKidDict->GetInteger(FX_BSTRC("MCID"));
} else if (type == FX_BSTRC("OBJR")) {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
pKid->m_Type = CPDF_StructKid::Object;
CPDF_Object* pObj = pKidDict->GetElement(FX_BSTRC("Obj"));
if (pObj && pObj->GetType() == PDFOBJ_REFERENCE) {
pKid->m_Object.m_RefObjNum = ((CPDF_Reference*)pObj)->GetRefObjNum();
} else {
pKid->m_Object.m_RefObjNum = 0;
}
pKid->m_Object.m_PageObjNum = PageObjNum;
} else {
pKid->m_Type = CPDF_StructKid::Element;
pKid->m_Element.m_pDict = pKidDict;
if (m_pTree->m_pPage == NULL) {
pKid->m_Element.m_pElement = FX_NEW CPDF_StructElementImpl(m_pTree, this, pKidDict);
} else {
pKid->m_Element.m_pElement = NULL;
}
}
}
FX_BOOL CPDF_ViewerPreferences::PrintScaling() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
pDict = pDict->GetDict(FX_BSTRC("ViewerPreferences"));
if (!pDict) {
return TRUE;
}
return FX_BSTRC("None") != pDict->GetString(FX_BSTRC("PrintScaling"));
}
CFX_ByteString CPDF_ViewerPreferences::Duplex() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
pDict = pDict->GetDict(FX_BSTRC("ViewerPreferences"));
if (!pDict) {
return FX_BSTRC("None");
}
return pDict->GetString(FX_BSTRC("Duplex"));
}
FX_BOOL CPDF_ViewerPreferences::IsDirectionR2L() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
pDict = pDict->GetDict(FX_BSTRC("ViewerPreferences"));
if (!pDict) {
return FALSE;
}
return FX_BSTRC("R2L") == pDict->GetString(FX_BSTRC("Direction"));
}
void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage,
std::vector<CPDF_Dictionary*>* pList) {
CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArray("Annots");
if (!pAnnotList)
return;
for (FX_DWORD i = 0; i < pAnnotList->GetCount(); ++i) {
CPDF_Dictionary* pAnnot = pAnnotList->GetDict(i);
bool add_link = (pAnnot && pAnnot->GetString("Subtype") == "Link");
// Add non-links as nullptrs to preserve z-order.
pList->push_back(add_link ? pAnnot : nullptr);
}
}
static int InsertDeletePDFPage(CPDF_Document* pDoc,
CPDF_Dictionary* pPages,
int nPagesToGo,
CPDF_Dictionary* pPage,
FX_BOOL bInsert,
CFX_ArrayTemplate<CPDF_Dictionary*>& stackList) {
CPDF_Array* pKidList = pPages->GetArray("Kids");
if (!pKidList) {
return -1;
}
int nKids = pKidList->GetCount();
for (int i = 0; i < nKids; i++) {
CPDF_Dictionary* pKid = pKidList->GetDict(i);
if (pKid->GetString("Type") == "Page") {
if (nPagesToGo == 0) {
if (bInsert) {
pKidList->InsertAt(i, new CPDF_Reference(pDoc, pPage->GetObjNum()));
pPage->SetAtReference("Parent", pDoc, pPages->GetObjNum());
} else {
pKidList->RemoveAt(i);
}
pPages->SetAtInteger("Count",
pPages->GetInteger("Count") + (bInsert ? 1 : -1));
return 1;
}
nPagesToGo--;
} else {
int nPages = pKid->GetInteger("Count");
if (nPagesToGo < nPages) {
int stackCount = stackList.GetSize();
for (int j = 0; j < stackCount; ++j) {
if (pKid == stackList[j]) {
return -1;
}
}
stackList.Add(pKid);
if (InsertDeletePDFPage(pDoc, pKid, nPagesToGo, pPage, bInsert,
stackList) < 0) {
return -1;
}
stackList.RemoveAt(stackCount);
pPages->SetAtInteger("Count",
pPages->GetInteger("Count") + (bInsert ? 1 : -1));
return 1;
}
nPagesToGo -= nPages;
}
}
return 0;
}
static FX_BOOL _LoadCryptInfo(CPDF_Dictionary* pEncryptDict,
const CFX_ByteStringC& name,
int& cipher,
int& keylen) {
int Version = pEncryptDict->GetInteger(FX_BSTRC("V"));
cipher = FXCIPHER_RC4;
keylen = 0;
if (Version >= 4) {
CPDF_Dictionary* pCryptFilters = pEncryptDict->GetDict(FX_BSTRC("CF"));
if (pCryptFilters == NULL) {
return FALSE;
}
if (name == FX_BSTRC("Identity")) {
cipher = FXCIPHER_NONE;
} else {
CPDF_Dictionary* pDefFilter = pCryptFilters->GetDict(name);
if (pDefFilter == NULL) {
return FALSE;
}
int nKeyBits = 0;
if (Version == 4) {
nKeyBits = pDefFilter->GetInteger(FX_BSTRC("Length"), 0);
if (nKeyBits == 0) {
nKeyBits = pEncryptDict->GetInteger(FX_BSTRC("Length"), 128);
}
} else {
nKeyBits = pEncryptDict->GetInteger(FX_BSTRC("Length"), 256);
}
if (nKeyBits < 40) {
nKeyBits *= 8;
}
keylen = nKeyBits / 8;
CFX_ByteString cipher_name = pDefFilter->GetString(FX_BSTRC("CFM"));
if (cipher_name == FX_BSTRC("AESV2") ||
cipher_name == FX_BSTRC("AESV3")) {
cipher = FXCIPHER_AES;
}
}
} else {
keylen =
Version > 1 ? pEncryptDict->GetInteger(FX_BSTRC("Length"), 40) / 8 : 5;
}
if (keylen > 32 || keylen < 0) {
return FALSE;
}
return TRUE;
}
FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CPDF_Font*& pFont, CFX_ByteString& csNameTag)
{
if (pFormDict == NULL) {
return FALSE;
}
CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
if (pDR == NULL) {
return FALSE;
}
CPDF_Dictionary* pFonts = pDR->GetDict("Font");
if (pFonts == NULL) {
return FALSE;
}
if (csFontName.GetLength() > 0) {
csFontName.Remove(' ');
}
FX_POSITION pos = pFonts->GetStartPos();
while (pos) {
CPDF_Object* pObj = NULL;
CFX_ByteString csKey, csTmp;
pObj = pFonts->GetNextElement(pos, csKey);
if (pObj == NULL) {
continue;
}
CPDF_Object* pDirect = pObj->GetDirect();
if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
continue;
}
CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
if (pElement->GetString("Type") != "Font") {
continue;
}
pFont = pDocument->LoadFont(pElement);
if (pFont == NULL) {
continue;
}
CFX_ByteString csBaseFont;
csBaseFont = pFont->GetBaseFont();
csBaseFont.Remove(' ');
if (csBaseFont == csFontName) {
csNameTag = csKey;
return TRUE;
}
}
return FALSE;
}
void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage, CFX_PtrArray* pList)
{
CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArray("Annots");
if (pAnnotList == NULL) {
return;
}
for (FX_DWORD i = 0; i < pAnnotList->GetCount(); i ++) {
CPDF_Dictionary* pAnnot = pAnnotList->GetDict(i);
if (pAnnot == NULL) {
continue;
}
if (pAnnot->GetString("Subtype") != "Link") {
continue;
}
pList->Add(pAnnot);
}
}
FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict,
CPDF_Document* pDocument,
CFX_ByteString csFontName,
CPDF_Font*& pFont,
CFX_ByteString& csNameTag) {
if (!pFormDict) {
return FALSE;
}
CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
if (!pDR) {
return FALSE;
}
CPDF_Dictionary* pFonts = pDR->GetDict("Font");
if (!pFonts) {
return FALSE;
}
if (csFontName.GetLength() > 0) {
csFontName.Remove(' ');
}
for (const auto& it : *pFonts) {
const CFX_ByteString& csKey = it.first;
CPDF_Object* pObj = it.second;
if (!pObj) {
continue;
}
CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
if (!pElement)
continue;
if (pElement->GetString("Type") != "Font") {
continue;
}
pFont = pDocument->LoadFont(pElement);
if (!pFont) {
continue;
}
CFX_ByteString csBaseFont;
csBaseFont = pFont->GetBaseFont();
csBaseFont.Remove(' ');
if (csBaseFont == csFontName) {
csNameTag = csKey;
return TRUE;
}
}
return FALSE;
}
CFX_ByteString CPDF_Action::GetURI(CPDF_Document* pDoc) const {
CFX_ByteString csURI;
if (!m_pDict) {
return csURI;
}
if (m_pDict->GetString("S") != "URI") {
return csURI;
}
csURI = m_pDict->GetString("URI");
CPDF_Dictionary* pRoot = pDoc->GetRoot();
CPDF_Dictionary* pURI = pRoot->GetDict("URI");
if (pURI) {
if (csURI.Find(":", 0) < 1) {
csURI = pURI->GetString("Base") + csURI;
}
}
return csURI;
}
void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) {
ASSERT(pPage != NULL);
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
if (pPageDict == NULL) {
return;
}
CPDF_Array* pAnnots = pPageDict->GetArray(FX_BSTRC("Annots"));
if (pAnnots == NULL) {
return;
}
int iAnnotCount = pAnnots->GetCount();
for (int i = 0; i < iAnnotCount; i++) {
CPDF_Dictionary* pAnnot = pAnnots->GetDict(i);
if (pAnnot != NULL && pAnnot->GetString(FX_BSTRC("Subtype")) == "Widget") {
LoadField(pAnnot);
}
}
}
CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag)
{
if (pFormDict == NULL) {
return NULL;
}
CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
if (pDR == NULL) {
return NULL;
}
CPDF_Dictionary* pFonts = pDR->GetDict("Font");
if (pFonts == NULL) {
return NULL;
}
FX_POSITION pos = pFonts->GetStartPos();
while (pos) {
CPDF_Object* pObj = NULL;
CFX_ByteString csKey;
pObj = pFonts->GetNextElement(pos, csKey);
if (pObj == NULL) {
continue;
}
CPDF_Object* pDirect = pObj->GetDirect();
if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
continue;
}
CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
if (pElement->GetString("Type") != "Font") {
continue;
}
CPDF_Font* pFind = pDocument->LoadFont(pElement);
if (pFind == NULL) {
continue;
}
CFX_SubstFont* pSubst = (CFX_SubstFont*)pFind->GetSubstFont();
if (pSubst == NULL) {
continue;
}
if (pSubst->m_Charset == (int)charSet) {
csNameTag = csKey;
return pFind;
}
}
return NULL;
}
CPDF_Font* CBA_FontMap::FindResFontSameCharset(CPDF_Dictionary* pResDict,
CFX_ByteString& sFontAlias,
int32_t nCharset) {
if (!pResDict)
return NULL;
CPDF_Document* pDocument = GetDocument();
ASSERT(pDocument != NULL);
CPDF_Dictionary* pFonts = pResDict->GetDict("Font");
if (pFonts == NULL)
return NULL;
CPDF_Font* pFind = NULL;
FX_POSITION pos = pFonts->GetStartPos();
while (pos) {
CPDF_Object* pObj = NULL;
CFX_ByteString csKey;
pObj = pFonts->GetNextElement(pos, csKey);
if (pObj == NULL)
continue;
CPDF_Object* pDirect = pObj->GetDirect();
if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY)
continue;
CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
if (pElement->GetString("Type") != "Font")
continue;
CPDF_Font* pFont = pDocument->LoadFont(pElement);
if (pFont == NULL)
continue;
const CFX_SubstFont* pSubst = pFont->GetSubstFont();
if (pSubst == NULL)
continue;
if (pSubst->m_Charset == nCharset) {
sFontAlias = csKey;
pFind = pFont;
}
}
return pFind;
}