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QPDFObjGen : tidy QPDFObjectHandle private methods

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Change method signature to use QPDFObjGen.
This commit is contained in:
m-holger 2022-07-23 14:45:54 +01:00
parent b123f79dfd
commit 3404ca8ac8
4 changed files with 28 additions and 32 deletions
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14
include/qpdf/QPDFObjectHandle.hh
View File

@ -1429,21 +1429,20 @@ class QPDFObjectHandle
private:
static QPDFObjectHandle
newIndirect(QPDF* qpdf, int objid, int generation)
newIndirect(QPDF* qpdf, QPDFObjGen const& og)
{
return QPDFObjectHandle::newIndirect(qpdf, objid, generation);
return QPDFObjectHandle::newIndirect(qpdf, og);
}
static QPDFObjectHandle
newStream(
QPDF* qpdf,
int objid,
int generation,
QPDFObjGen const& og,
QPDFObjectHandle stream_dict,
qpdf_offset_t offset,
size_t length)
{
return QPDFObjectHandle::newStream(
qpdf, objid, generation, stream_dict, offset, length);
qpdf, og, stream_dict, offset, length);
}
// Reserve an object with a specific ID
static QPDFObjectHandle
@ -1563,11 +1562,10 @@ class QPDFObjectHandle
};
// Private object factory methods
static QPDFObjectHandle newIndirect(QPDF*, int objid, int generation);
static QPDFObjectHandle newIndirect(QPDF*, QPDFObjGen const& og);
static QPDFObjectHandle newStream(
QPDF* qpdf,
int objid,
int generation,
QPDFObjGen const& og,
QPDFObjectHandle stream_dict,
qpdf_offset_t offset,
size_t length);

25
libqpdf/QPDF.cc
View File

@ -1404,9 +1404,8 @@ QPDF::fixDanglingReferences(bool force)
// For each non-scalar item to process, put it in the queue.
std::list<QPDFObjectHandle> queue;
queue.push_back(this->m->trailer);
for (auto const& iter: to_process) {
QPDFObjectHandle obj = QPDFObjectHandle::Factory::newIndirect(
this, iter.getObj(), iter.getGen());
for (auto const& og: to_process) {
QPDFObjectHandle obj = QPDFObjectHandle::Factory::newIndirect(this, og);
if (obj.isDictionary() || obj.isArray()) {
queue.push_back(obj);
} else if (obj.isStream()) {
@ -1472,10 +1471,7 @@ QPDF::getAllObjects()
std::vector<QPDFObjectHandle> result;
for (auto const& iter: this->m->obj_cache) {
QPDFObjGen const& og = iter.first;
result.push_back(
// line-break
QPDFObjectHandle::Factory::newIndirect(
this, og.getObj(), og.getGen()));
result.push_back(QPDFObjectHandle::Factory::newIndirect(this, og));
}
return result;
}
@ -1662,7 +1658,11 @@ QPDF::readObject(
}
}
object = QPDFObjectHandle::Factory::newStream(
this, objid, generation, object, stream_offset, length);
this,
QPDFObjGen(objid, generation),
object,
stream_offset,
length);
} else {
input->seek(cur_offset, SEEK_SET);
}
@ -2159,8 +2159,7 @@ QPDF::makeIndirectObject(QPDFObjectHandle oh)
QPDFObjGen next(max_objid + 1, 0);
this->m->obj_cache[next] =
ObjCache(QPDFObjectHandle::ObjAccessor::getObject(oh), -1, -1);
return QPDFObjectHandle::Factory::newIndirect(
this, next.getObj(), next.getGen());
return QPDFObjectHandle::Factory::newIndirect(this, next);
}
QPDFObjectHandle
@ -2178,19 +2177,19 @@ QPDFObjectHandle
QPDF::reserveStream(int objid, int gen)
{
return QPDFObjectHandle::Factory::newStream(
this, objid, gen, QPDFObjectHandle::newDictionary(), 0, 0);
this, QPDFObjGen(objid, gen), QPDFObjectHandle::newDictionary(), 0, 0);
}
QPDFObjectHandle
QPDF::getObjectByObjGen(QPDFObjGen const& og)
{
return getObjectByID(og.getObj(), og.getGen());
return QPDFObjectHandle::Factory::newIndirect(this, og);
}
QPDFObjectHandle
QPDF::getObjectByID(int objid, int generation)
{
return QPDFObjectHandle::Factory::newIndirect(this, objid, generation);
return getObjectByObjGen(QPDFObjGen(objid, generation));
}
void

19
libqpdf/QPDFObjectHandle.cc
View File

@ -2180,8 +2180,9 @@ QPDFObjectHandle::parseInternal(
// Try to resolve indirect objects
object = newIndirect(
context,
olist.at(olist.size() - 2).getIntValueAsInt(),
olist.at(olist.size() - 1).getIntValueAsInt());
QPDFObjGen(
olist.at(olist.size() - 2).getIntValueAsInt(),
olist.at(olist.size() - 1).getIntValueAsInt()));
olist.remove_last();
olist.remove_last();
} else if ((value == "endobj") && (state == st_top)) {
@ -2469,9 +2470,9 @@ QPDFObjectHandle::setParsedOffset(qpdf_offset_t offset)
}
QPDFObjectHandle
QPDFObjectHandle::newIndirect(QPDF* qpdf, int objid, int generation)
QPDFObjectHandle::newIndirect(QPDF* qpdf, QPDFObjGen const& og)
{
if (objid == 0) {
if (!og.isIndirect()) {
// Special case: QPDF uses objid 0 as a sentinel for direct
// objects, and the PDF specification doesn't allow for object
// 0. Treat indirect references to object 0 as null so that we
@ -2480,7 +2481,7 @@ QPDFObjectHandle::newIndirect(QPDF* qpdf, int objid, int generation)
return newNull();
}
return QPDFObjectHandle(qpdf, QPDFObjGen(objid, generation));
return QPDFObjectHandle(qpdf, og);
}
QPDFObjectHandle
@ -2628,14 +2629,13 @@ QPDFObjectHandle::newDictionary(
QPDFObjectHandle
QPDFObjectHandle::newStream(
QPDF* qpdf,
int objid,
int generation,
QPDFObjGen const& og,
QPDFObjectHandle stream_dict,
qpdf_offset_t offset,
size_t length)
{
QPDFObjectHandle result = QPDFObjectHandle(QPDF_Stream::create(
qpdf, objid, generation, stream_dict, offset, length));
qpdf, og.getObj(), og.getGen(), stream_dict, offset, length));
if (offset) {
result.setParsedOffset(offset);
}
@ -2683,8 +2683,7 @@ QPDFObjectHandle::newReserved(QPDF* qpdf)
// Reserve a spot for this object by assigning it an object
// number, but then return an unresolved handle to the object.
QPDFObjectHandle reserved = qpdf->makeIndirectObject(makeReserved());
QPDFObjectHandle result =
newIndirect(qpdf, reserved.getObjectID(), reserved.getGeneration());
QPDFObjectHandle result = newIndirect(qpdf, reserved.getObjGen());
result.reserved = true;
return result;
}

2
libqpdf/QPDF_linearization.cc
View File

@ -138,7 +138,7 @@ QPDF::isLinearized()
}
QPDFObjectHandle candidate =
QPDFObjectHandle::Factory::newIndirect(this, lindict_obj, 0);
QPDFObjectHandle::Factory::newIndirect(this, QPDFObjGen(lindict_obj));
if (!candidate.isDictionary()) {
return false;
}