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ResetForm and Next Action

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This commit is contained in:
Kulikova Svetlana
2023-04-14 17:08:10 +03:00
parent debfdebe8d
commit 35f0861e82
5 changed files with 229 additions and 113 deletions
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111
PdfFile/PdfReader.cpp
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@ -721,8 +721,17 @@ BYTE* CPdfReader::GetLinks(int nPageIndex)
void getAction(PDFDoc* pdfDoc, NSWasm::CData& oRes, Object* oAction, int nAnnot)
{
AcroForm* pAcroForms = pdfDoc->getCatalog()->getForm();
if (!pAcroForms)
return;
Object oActType;
std::string sSName;
if (oAction->dictLookup("S", &oActType)->isName())
{
sSName = oActType.getName();
oRes.WriteString((BYTE*)sSName.c_str(), (unsigned int)sSName.length());
}
else
oRes.WriteString(NULL, 0);
oActType.free();
LinkAction* oAct = LinkAction::parseAction(oAction);
if (!oAct)
@ -823,27 +832,19 @@ void getAction(PDFDoc* pdfDoc, NSWasm::CData& oRes, Object* oAction, int nAnnot)
}
if (oHide.isString())
{
TextString* s = new TextString(oHide.getString());
std::string sStr = NSStringExt::CConverter::GetUtf8FromUTF32(s->getUnicode(), s->getLength());
oRes.WriteString((BYTE*)sStr.c_str(), (unsigned int)sStr.length());
delete s;
GString* sField = oHide.getString();
int nFind = pAcroForms->findFieldIdx(sField);
if (nFind >= 0)
{
oRes.AddInt(nFind);
}
}
else if (oHide.isRef())
{
for (int m = 0, nNum = pAcroForms->getNumFields(); m < nNum; ++m)
int nFind = pAcroForms->findFieldIdx(&oHide);
if (nFind >= 0)
{
AcroFormField* pSField = pAcroForms->getField(nAnnot);
Object oSFieldRef;
if (pSField->getFieldRef(&oSFieldRef)->isRef() && oSFieldRef.getRefGen() == oHide.getRefGen() && oSFieldRef.getRefNum() == oHide.getRefNum())
{
// TODO нельзя однозначно идентифицировать аннотацию по Т-имени, лучше использовать i из сопоставления с AP
int nLengthName;
Unicode* uName = pSField->getName(&nLengthName);
std::string sTName = NSStringExt::CConverter::GetUtf8FromUTF32(uName, nLengthName);
oRes.WriteString((BYTE*)sTName.c_str(), (unsigned int)sTName.length());
gfree(uName);
break;
}
oRes.AddInt(nFind);
}
}
k++;
@ -855,10 +856,64 @@ void getAction(PDFDoc* pdfDoc, NSWasm::CData& oRes, Object* oAction, int nAnnot)
case actionUnknown:
default:
{
if (sSName == "ResetForm")
{
Object oObj;
if (oAction->dictLookup("Flags", &oObj)->isInt())
oRes.AddInt(oObj.getInt());
else
oRes.AddInt(0);
oObj.free();
if (oAction->dictLookup("Fields", &oObj)->isArray())
{
int nFieldsPos = oRes.GetSize();
int nFields = 0;
oRes.AddInt(nFields);
for (int j = 0; j < oObj.arrayGetLength(); ++j)
{
Object oField;
oObj.arrayGetNF(j, &oField);
if (oField.isString())
{
GString* sField = oField.getString();
int nFind = pAcroForms->findFieldIdx(sField);
if (nFind >= 0)
{
nFields++;
oRes.AddInt(nFind);
}
}
else if (oField.isRef())
{
int nFind = pAcroForms->findFieldIdx(&oField);
if (nFind >= 0)
{
nFields++;
oRes.AddInt(nFind);
}
}
oField.free();
}
oRes.AddInt(nFields, nFieldsPos);
}
else
oRes.AddInt(0);
oObj.free();
}
break;
}
}
Object oNextAction;
if (oAction->dictLookup("Next", &oNextAction)->isDict())
{
oRes.WriteBYTE(1);
getAction(pdfDoc, oRes, &oNextAction, nAnnot);
}
else
oRes.WriteBYTE(0);
RELEASEOBJECT(oAct);
};
BYTE* CPdfReader::GetWidgets()
@ -1698,21 +1753,16 @@ oObj.free();\
oRes.AddInt(nActionLength);
// Action - A
Object oAction, oActType;
if (pField->fieldLookup("A", &oAction)->isDict() && oAction.dictLookup("S", &oActType)->isName())
Object oAction;
if (pField->fieldLookup("A", &oAction)->isDict())
{
nActionLength++;
std::string sAA = "A";
oRes.WriteString((BYTE*)sAA.c_str(), (unsigned int)sAA.length());
std::string sSName(oActType.getName());
oRes.WriteString((BYTE*)sSName.c_str(), (unsigned int)sSName.length());
oActType.free();
getAction(m_pPDFDocument, oRes, &oAction, i);
}
oAction.free(); oActType.free();
oAction.free();
// Actions - AA
Object oAA;
@ -1725,18 +1775,13 @@ oObj.free();\
std::string sAA(oAA.dictGetKey(j));
oRes.WriteString((BYTE*)sAA.c_str(), (unsigned int)sAA.length());
if (!oAA.dictGetVal(j, &oAction)->isDict() || !oAction.dictLookup("S", &oActType)->isName())
if (!oAA.dictGetVal(j, &oAction)->isDict())
{
oRes.WriteString(NULL, 0);
oAction.free();
oActType.free();
continue;
}
std::string sSName(oActType.getName());
oRes.WriteString((BYTE*)sSName.c_str(), (unsigned int)sSName.length());
oActType.free();
getAction(m_pPDFDocument, oRes, &oAction, i);
oAction.free();
}