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Use QPDFObjGen::set in QPDFFormFieldObjectHelper

This commit is contained in:
m-holger 2023-01-05 15:12:31 +00:00
parent d395a90904
commit d60f06c15d
1 changed files with 16 additions and 23 deletions
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39
libqpdf/QPDFFormFieldObjectHelper.cc
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@ -36,20 +36,14 @@ QPDFFormFieldObjectHelper
QPDFFormFieldObjectHelper::getTopLevelField(bool* is_different)
{
auto top_field = this->oh;
std::set<QPDFObjGen> seen;
while (top_field.isDictionary() &&
(!top_field.getKey("/Parent").isNull())) {
QPDFObjGen::set seen;
while (seen.add(top_field) && !top_field.getKeyIfDict("/Parent").isNull()) {
top_field = top_field.getKey("/Parent");
if (is_different) {
*is_different = true;
}
auto og = top_field.getObjGen();
if (seen.count(og)) {
break;
}
seen.insert(og);
}
return QPDFFormFieldObjectHelper(top_field);
return {top_field};
}
QPDFObjectHandle
@ -76,17 +70,17 @@ QPDFFormFieldObjectHelper::getInheritableFieldValue(std::string const& name)
return QPDFObjectHandle::newNull();
}
QPDFObjectHandle result(node.getKey(name));
std::set<QPDFObjGen> seen;
while (result.isNull() && node.hasKey("/Parent")) {
seen.insert(node.getObjGen());
node = node.getKey("/Parent");
if (seen.count(node.getObjGen())) {
break;
}
result = node.getKey(name);
if (!result.isNull()) {
QTC::TC(
"qpdf", "QPDFFormFieldObjectHelper non-trivial inheritance");
if (result.isNull()) {
QPDFObjGen::set seen;
while (seen.add(node) && node.hasKey("/Parent")) {
node = node.getKey("/Parent");
result = node.getKey(name);
if (!result.isNull()) {
QTC::TC(
"qpdf",
"QPDFFormFieldObjectHelper non-trivial inheritance");
return result;
}
}
}
return result;
@ -127,8 +121,8 @@ QPDFFormFieldObjectHelper::getFullyQualifiedName()
{
std::string result;
QPDFObjectHandle node = this->oh;
std::set<QPDFObjGen> seen;
while ((!node.isNull()) && (seen.count(node.getObjGen()) == 0)) {
QPDFObjGen::set seen;
while (!node.isNull() && seen.add(node)) {
if (node.getKey("/T").isString()) {
if (!result.empty()) {
QTC::TC(
@ -138,7 +132,6 @@ QPDFFormFieldObjectHelper::getFullyQualifiedName()
}
result = node.getKey("/T").getUTF8Value() + result;
}
seen.insert(node.getObjGen());
node = node.getKey("/Parent");
}
return result;