Code tidy: remove redundant calls to smart_ptrs get() method

libqpdf/ClosedFileInputSource.cc

@@ -23,7 +23,7 @@ ClosedFileInputSource::~ClosedFileInputSource()
 void
 ClosedFileInputSource::before()
 {
-    if (nullptr == this->m->fis.get()) {
+    if (nullptr == this->m->fis) {
         this->m->fis =
             std::make_shared<FileInputSource>(this->m->filename.c_str());
         this->m->fis->seek(this->m->offset, SEEK_SET);

libqpdf/JSON.cc

@@ -204,7 +204,7 @@ JSON::JSON_blob::write(Pipeline* p, size_t) const
 void
 JSON::write(Pipeline* p, size_t depth) const
 {
-    if (nullptr == this->m->value.get()) {
+    if (nullptr == this->m->value) {
         *p << "null";
     } else {
         this->m->value->write(p, depth);
@@ -1122,7 +1122,7 @@ JSONParser::handleToken()
         break;
     }
 
-    if ((item.get() == nullptr) == (delimiter == '\0')) {
+    if ((item == nullptr) == (delimiter == '\0')) {
         throw std::logic_error(
             "JSONParser::handleToken: logic error: exactly one of item"
             " or delimiter must be set");

libqpdf/Pl_Buffer.cc

@@ -26,7 +26,7 @@ Pl_Buffer::~Pl_Buffer()
 void
 Pl_Buffer::write(unsigned char const* buf, size_t len)
 {
-    if (this->m->data.get() == nullptr) {
+    if (this->m->data == nullptr) {
         this->m->data = std::make_shared<Buffer>(len);
     }
     size_t cur_size = this->m->data->getSize();

libqpdf/Pl_Flate.cc

@@ -86,7 +86,7 @@ Pl_Flate::warn(char const* msg, int code)
 void
 Pl_Flate::write(unsigned char const* data, size_t len)
 {
-    if (this->m->outbuf.get() == nullptr) {
+    if (this->m->outbuf == nullptr) {
         throw std::logic_error(
             this->identifier +
             ": Pl_Flate: write() called after finish() called");

libqpdf/Pl_RC4.cc

@@ -18,7 +18,7 @@ Pl_RC4::Pl_RC4(
 void
 Pl_RC4::write(unsigned char const* data, size_t len)
 {
-    if (this->outbuf.get() == nullptr) {
+    if (this->outbuf == nullptr) {
         throw std::logic_error(
             this->identifier +
             ": Pl_RC4: write() called after finish() called");

libqpdf/QPDF.cc

@@ -2457,7 +2457,7 @@ QPDF::copyStreamData(QPDFObjectHandle result, QPDFObjectHandle foreign)
     }
     std::shared_ptr<Buffer> stream_buffer = stream->getStreamDataBuffer();
     if ((foreign_stream_qpdf->m->immediate_copy_from) &&
-        (stream_buffer.get() == nullptr)) {
+        (stream_buffer == nullptr)) {
         // Pull the stream data into a buffer before attempting
         // the copy operation. Do it on the source stream so that
         // if the source stream is copied multiple times, we don't

libqpdf/QPDFEmbeddedFileDocumentHelper.cc

@@ -50,7 +50,7 @@ QPDFEmbeddedFileDocumentHelper::QPDFEmbeddedFileDocumentHelper(QPDF& qpdf) :
 bool
 QPDFEmbeddedFileDocumentHelper::hasEmbeddedFiles() const
 {
-    return (this->m->embedded_files.get() != nullptr);
+    return (this->m->embedded_files != nullptr);
 }
 
 void

libqpdf/QPDFJob.cc

@@ -223,7 +223,7 @@ ImageOptimizer::evaluate(std::string const& description)
     Pl_Discard d;
     Pl_Count c("count", &d);
     std::shared_ptr<Pipeline> p = makePipeline(description, &c);
-    if (p.get() == nullptr) {
+    if (p == nullptr) {
         // message issued by makePipeline
         return false;
     }
@@ -252,7 +252,7 @@ void
 ImageOptimizer::provideStreamData(QPDFObjGen const&, Pipeline* pipeline)
 {
     std::shared_ptr<Pipeline> p = makePipeline("", pipeline);
-    if (p.get() == nullptr) {
+    if (p == nullptr) {
         // Should not be possible
         image.warnIfPossible("unable to create pipeline after previous"
                              " success; image data will be lost");
@@ -2243,8 +2243,7 @@ QPDFJob::handleUnderOverlay(QPDF& pdf)
 {
     validateUnderOverlay(pdf, &m->underlay);
     validateUnderOverlay(pdf, &m->overlay);
-    if ((nullptr == m->underlay.pdf.get()) &&
+    if ((nullptr == m->underlay.pdf) && (nullptr == m->overlay.pdf)) {
-        (nullptr == m->overlay.pdf.get())) {
         return;
     }
     std::map<int, std::vector<int>> underlay_pagenos;

libqpdf/QPDFObjectHandle.cc

@@ -3122,10 +3122,10 @@ QPDFObjectHandle::dereference()
         QPDF::Resolver::objectChanged(this->qpdf, getObjGen(), this->obj)) {
         this->obj = nullptr;
     }
-    if (this->obj.get() == nullptr) {
+    if (this->obj == nullptr) {
         std::shared_ptr<QPDFObject> obj =
             QPDF::Resolver::resolve(this->qpdf, getObjGen());
-        if (obj.get() == nullptr) {
+        if (obj == nullptr) {
             // QPDF::resolve never returns an uninitialized object, but
             // check just in case.
             this->obj = QPDF_Null::create();

libqpdf/QPDFOutlineDocumentHelper.cc

@@ -82,7 +82,7 @@ QPDFOutlineDocumentHelper::resolveNamedDest(QPDFObjectHandle name)
             result = this->m->dest_dict.getKey(name.getName());
         }
     } else if (name.isString()) {
-        if (nullptr == this->m->names_dest.get()) {
+        if (nullptr == this->m->names_dest) {
             QPDFObjectHandle names = this->qpdf.getRoot().getKey("/Names");
             if (names.isDictionary()) {
                 QPDFObjectHandle dests = names.getKey("/Dests");

libqpdf/QPDFPageLabelDocumentHelper.cc

@@ -16,7 +16,7 @@ QPDFPageLabelDocumentHelper::QPDFPageLabelDocumentHelper(QPDF& qpdf) :
 bool
 QPDFPageLabelDocumentHelper::hasPageLabels()
 {
-    return nullptr != this->m->labels.get();
+    return nullptr != this->m->labels;
 }
 
 QPDFObjectHandle