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authorJay Berkenbilt <ejb@ql.org>2022-04-02 23:14:10 +0200
committerJay Berkenbilt <ejb@ql.org>2022-04-04 14:10:40 +0200
commit12f1eb15ca3fed6310402847559a7c99d3c77847 (patch)
tree8935675b623c6f3b4914b8b44f7fa5f2816a9241 /libqpdf/QPDFAcroFormDocumentHelper.cc
parentf20fa61eb4c323eb1642c69c236b3d9a1f8b2cdb (diff)
downloadqpdf-12f1eb15ca3fed6310402847559a7c99d3c77847.tar.zst
Programmatically apply new formatting to code
Run this: for i in **/*.cc **/*.c **/*.h **/*.hh; do clang-format < $i >| $i.new && mv $i.new $i done
Diffstat (limited to 'libqpdf/QPDFAcroFormDocumentHelper.cc')
-rw-r--r--libqpdf/QPDFAcroFormDocumentHelper.cc609
1 files changed, 228 insertions, 381 deletions
diff --git a/libqpdf/QPDFAcroFormDocumentHelper.cc b/libqpdf/QPDFAcroFormDocumentHelper.cc
index 4e05c46a..96f6d395 100644
--- a/libqpdf/QPDFAcroFormDocumentHelper.cc
+++ b/libqpdf/QPDFAcroFormDocumentHelper.cc
@@ -1,10 +1,10 @@
#include <qpdf/QPDFAcroFormDocumentHelper.hh>
-#include <qpdf/QTC.hh>
-#include <qpdf/QPDFPageDocumentHelper.hh>
-#include <qpdf/ResourceFinder.hh>
#include <qpdf/Pl_Buffer.hh>
+#include <qpdf/QPDFPageDocumentHelper.hh>
+#include <qpdf/QTC.hh>
#include <qpdf/QUtil.hh>
+#include <qpdf/ResourceFinder.hh>
QPDFAcroFormDocumentHelper::Members::~Members()
{
@@ -43,10 +43,9 @@ QPDFObjectHandle
QPDFAcroFormDocumentHelper::getOrCreateAcroForm()
{
auto acroform = this->qpdf.getRoot().getKey("/AcroForm");
- if (! acroform.isDictionary())
- {
- acroform = this->qpdf.makeIndirectObject(
- QPDFObjectHandle::newDictionary());
+ if (!acroform.isDictionary()) {
+ acroform =
+ this->qpdf.makeIndirectObject(QPDFObjectHandle::newDictionary());
this->qpdf.getRoot().replaceKey("/AcroForm", acroform);
}
return acroform;
@@ -57,8 +56,7 @@ QPDFAcroFormDocumentHelper::addFormField(QPDFFormFieldObjectHelper ff)
{
auto acroform = getOrCreateAcroForm();
auto fields = acroform.getKey("/Fields");
- if (! fields.isArray())
- {
+ if (!fields.isArray()) {
fields = QPDFObjectHandle::newArray();
acroform.replaceKey("/Fields", fields);
}
@@ -77,28 +75,23 @@ QPDFAcroFormDocumentHelper::addAndRenameFormFields(
std::list<QPDFObjectHandle> queue;
queue.insert(queue.begin(), fields.begin(), fields.end());
std::set<QPDFObjGen> seen;
- while (! queue.empty())
- {
+ while (!queue.empty()) {
QPDFObjectHandle obj = queue.front();
queue.pop_front();
auto og = obj.getObjGen();
- if (seen.count(og))
- {
+ if (seen.count(og)) {
// loop
continue;
}
seen.insert(og);
auto kids = obj.getKey("/Kids");
- if (kids.isArray())
- {
- for (auto kid: kids.aitems())
- {
+ if (kids.isArray()) {
+ for (auto kid : kids.aitems()) {
queue.push_back(kid);
}
}
- if (obj.hasKey("/T"))
- {
+ if (obj.hasKey("/T")) {
// Find something we can append to the partial name that
// makes the fully qualified name unique. When we find
// something, reuse the same suffix for all fields in this
@@ -109,13 +102,11 @@ QPDFAcroFormDocumentHelper::addAndRenameFormFields(
// qualified name.
std::string old_name =
QPDFFormFieldObjectHelper(obj).getFullyQualifiedName();
- if (renames.count(old_name) == 0)
- {
+ if (renames.count(old_name) == 0) {
std::string new_name = old_name;
int suffix = 0;
std::string append;
- while (! getFieldsWithQualifiedName(new_name).empty())
- {
+ while (!getFieldsWithQualifiedName(new_name).empty()) {
++suffix;
append = "+" + QUtil::int_to_string(suffix);
new_name = old_name + append;
@@ -123,17 +114,16 @@ QPDFAcroFormDocumentHelper::addAndRenameFormFields(
renames[old_name] = append;
}
std::string append = renames[old_name];
- if (! append.empty())
- {
+ if (!append.empty()) {
obj.replaceKey(
- "/T", QPDFObjectHandle::newUnicodeString(
+ "/T",
+ QPDFObjectHandle::newUnicodeString(
obj.getKey("/T").getUTF8Value() + append));
}
}
}
- for (auto i: fields)
- {
+ for (auto i : fields) {
addFormField(i);
}
}
@@ -143,34 +133,27 @@ QPDFAcroFormDocumentHelper::removeFormFields(
std::set<QPDFObjGen> const& to_remove)
{
auto acroform = this->qpdf.getRoot().getKey("/AcroForm");
- if (! acroform.isDictionary())
- {
+ if (!acroform.isDictionary()) {
return;
}
auto fields = acroform.getKey("/Fields");
- if (! fields.isArray())
- {
+ if (!fields.isArray()) {
return;
}
- for (auto const& og: to_remove)
- {
+ for (auto const& og : to_remove) {
auto annotations = this->m->field_to_annotations.find(og);
- if (annotations != this->m->field_to_annotations.end())
- {
- for (auto aoh: annotations->second)
- {
+ if (annotations != this->m->field_to_annotations.end()) {
+ for (auto aoh : annotations->second) {
this->m->annotation_to_field.erase(
aoh.getObjectHandle().getObjGen());
}
this->m->field_to_annotations.erase(og);
}
auto name = this->m->field_to_name.find(og);
- if (name != this->m->field_to_name.end())
- {
+ if (name != this->m->field_to_name.end()) {
this->m->name_to_fields[name->second].erase(og);
- if (this->m->name_to_fields[name->second].empty())
- {
+ if (this->m->name_to_fields[name->second].empty()) {
this->m->name_to_fields.erase(name->second);
}
this->m->field_to_name.erase(og);
@@ -178,15 +161,11 @@ QPDFAcroFormDocumentHelper::removeFormFields(
}
int i = 0;
- while (i < fields.getArrayNItems())
- {
+ while (i < fields.getArrayNItems()) {
auto field = fields.getArrayItem(i);
- if (to_remove.count(field.getObjGen()))
- {
+ if (to_remove.count(field.getObjGen())) {
fields.eraseItem(i);
- }
- else
- {
+ } else {
++i;
}
}
@@ -207,26 +186,23 @@ QPDFAcroFormDocumentHelper::getFormFields()
{
analyze();
std::vector<QPDFFormFieldObjectHelper> result;
- for (std::map<QPDFObjGen,
- std::vector<QPDFAnnotationObjectHelper> >::iterator iter =
- this->m->field_to_annotations.begin();
- iter != this->m->field_to_annotations.end(); ++iter)
- {
+ for (std::map<QPDFObjGen, std::vector<QPDFAnnotationObjectHelper>>::iterator
+ iter = this->m->field_to_annotations.begin();
+ iter != this->m->field_to_annotations.end();
+ ++iter) {
result.push_back(this->qpdf.getObjectByObjGen((*iter).first));
}
return result;
}
std::set<QPDFObjGen>
-QPDFAcroFormDocumentHelper::getFieldsWithQualifiedName(
- std::string const& name)
+QPDFAcroFormDocumentHelper::getFieldsWithQualifiedName(std::string const& name)
{
analyze();
// Keep from creating an empty entry
std::set<QPDFObjGen> result;
auto iter = this->m->name_to_fields.find(name);
- if (iter != this->m->name_to_fields.end())
- {
+ if (iter != this->m->name_to_fields.end()) {
result = iter->second;
}
return result;
@@ -238,8 +214,7 @@ QPDFAcroFormDocumentHelper::getAnnotationsForField(QPDFFormFieldObjectHelper h)
analyze();
std::vector<QPDFAnnotationObjectHelper> result;
QPDFObjGen og(h.getObjectHandle().getObjGen());
- if (this->m->field_to_annotations.count(og))
- {
+ if (this->m->field_to_annotations.count(og)) {
result = this->m->field_to_annotations[og];
}
return result;
@@ -258,16 +233,13 @@ QPDFAcroFormDocumentHelper::getFormFieldsForPage(QPDFPageObjectHelper ph)
std::set<QPDFObjGen> added;
std::vector<QPDFFormFieldObjectHelper> result;
auto widget_annotations = getWidgetAnnotationsForPage(ph);
- for (auto annot: widget_annotations)
- {
+ for (auto annot : widget_annotations) {
auto field = getFieldForAnnotation(annot);
field = field.getTopLevelField();
auto og = field.getObjectHandle().getObjGen();
- if (! added.count(og))
- {
+ if (!added.count(og)) {
added.insert(og);
- if (field.getObjectHandle().isDictionary())
- {
+ if (field.getObjectHandle().isDictionary()) {
result.push_back(field);
}
}
@@ -280,14 +252,12 @@ QPDFAcroFormDocumentHelper::getFieldForAnnotation(QPDFAnnotationObjectHelper h)
{
QPDFObjectHandle oh = h.getObjectHandle();
QPDFFormFieldObjectHelper result(QPDFObjectHandle::newNull());
- if (! oh.isDictionaryOfType("", "/Widget"))
- {
+ if (!oh.isDictionaryOfType("", "/Widget")) {
return result;
}
analyze();
QPDFObjGen og(oh.getObjGen());
- if (this->m->annotation_to_field.count(og))
- {
+ if (this->m->annotation_to_field.count(og)) {
result = this->m->annotation_to_field[og];
}
return result;
@@ -296,19 +266,16 @@ QPDFAcroFormDocumentHelper::getFieldForAnnotation(QPDFAnnotationObjectHelper h)
void
QPDFAcroFormDocumentHelper::analyze()
{
- if (this->m->cache_valid)
- {
+ if (this->m->cache_valid) {
return;
}
this->m->cache_valid = true;
QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
- if (! (acroform.isDictionary() && acroform.hasKey("/Fields")))
- {
+ if (!(acroform.isDictionary() && acroform.hasKey("/Fields"))) {
return;
}
QPDFObjectHandle fields = acroform.getKey("/Fields");
- if (! fields.isArray())
- {
+ if (!fields.isArray()) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper fields not array");
acroform.warnIfPossible(
"/Fields key of /AcroForm dictionary is not an array; ignoring");
@@ -321,8 +288,7 @@ QPDFAcroFormDocumentHelper::analyze()
std::set<QPDFObjGen> visited;
int nfields = fields.getArrayNItems();
QPDFObjectHandle null(QPDFObjectHandle::newNull());
- for (int i = 0; i < nfields; ++i)
- {
+ for (int i = 0; i < nfields; ++i) {
traverseField(fields.getArrayItem(i), null, 0, visited);
}
@@ -338,19 +304,18 @@ QPDFAcroFormDocumentHelper::analyze()
QPDFPageDocumentHelper dh(this->qpdf);
std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
- iter != pages.end(); ++iter)
- {
+ iter != pages.end();
+ ++iter) {
QPDFPageObjectHelper ph(*iter);
std::vector<QPDFAnnotationObjectHelper> annots =
getWidgetAnnotationsForPage(ph);
for (std::vector<QPDFAnnotationObjectHelper>::iterator i2 =
annots.begin();
- i2 != annots.end(); ++i2)
- {
+ i2 != annots.end();
+ ++i2) {
QPDFObjectHandle annot((*i2).getObjectHandle());
QPDFObjGen og(annot.getObjGen());
- if (this->m->annotation_to_field.count(og) == 0)
- {
+ if (this->m->annotation_to_field.count(og) == 0) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper orphaned widget");
// This is not supposed to happen, but it's easy
// enough for us to handle this case. Treat the
@@ -373,25 +338,24 @@ QPDFAcroFormDocumentHelper::analyze()
void
QPDFAcroFormDocumentHelper::traverseField(
- QPDFObjectHandle field, QPDFObjectHandle parent, int depth,
+ QPDFObjectHandle field,
+ QPDFObjectHandle parent,
+ int depth,
std::set<QPDFObjGen>& visited)
{
- if (depth > 100)
- {
+ if (depth > 100) {
// Arbitrarily cut off recursion at a fixed depth to avoid
// specially crafted files that could cause stack overflow.
return;
}
- if (! field.isIndirect())
- {
+ if (!field.isIndirect()) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper direct field");
field.warnIfPossible(
"encountered a direct object as a field or annotation while"
" traversing /AcroForm; ignoring field or annotation");
return;
}
- if (! field.isDictionary())
- {
+ if (!field.isDictionary()) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper non-dictionary field");
field.warnIfPossible(
"encountered a non-dictionary as a field or annotation while"
@@ -399,8 +363,7 @@ QPDFAcroFormDocumentHelper::traverseField(
return;
}
QPDFObjGen og(field.getObjGen());
- if (visited.count(og) != 0)
- {
+ if (visited.count(og) != 0) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper loop");
field.warnIfPossible("loop detected while traversing /AcroForm");
return;
@@ -418,51 +381,42 @@ QPDFAcroFormDocumentHelper::traverseField(
bool is_annotation = false;
bool is_field = (0 == depth);
QPDFObjectHandle kids = field.getKey("/Kids");
- if (kids.isArray())
- {
+ if (kids.isArray()) {
is_field = true;
int nkids = kids.getArrayNItems();
- for (int k = 0; k < nkids; ++k)
- {
+ for (int k = 0; k < nkids; ++k) {
traverseField(kids.getArrayItem(k), field, 1 + depth, visited);
}
- }
- else
- {
- if (field.hasKey("/Parent"))
- {
+ } else {
+ if (field.hasKey("/Parent")) {
is_field = true;
}
- if (field.hasKey("/Subtype") ||
- field.hasKey("/Rect") ||
- field.hasKey("/AP"))
- {
+ if (field.hasKey("/Subtype") || field.hasKey("/Rect") ||
+ field.hasKey("/AP")) {
is_annotation = true;
}
}
- QTC::TC("qpdf", "QPDFAcroFormDocumentHelper field found",
- (depth == 0) ? 0 : 1);
- QTC::TC("qpdf", "QPDFAcroFormDocumentHelper annotation found",
- (is_field ? 0 : 1));
+ QTC::TC(
+ "qpdf", "QPDFAcroFormDocumentHelper field found", (depth == 0) ? 0 : 1);
+ QTC::TC(
+ "qpdf",
+ "QPDFAcroFormDocumentHelper annotation found",
+ (is_field ? 0 : 1));
- if (is_annotation)
- {
+ if (is_annotation) {
QPDFObjectHandle our_field = (is_field ? field : parent);
this->m->field_to_annotations[our_field.getObjGen()].push_back(
QPDFAnnotationObjectHelper(field));
- this->m->annotation_to_field[og] =
- QPDFFormFieldObjectHelper(our_field);
+ this->m->annotation_to_field[og] = QPDFFormFieldObjectHelper(our_field);
}
- if (is_field && (field.hasKey("/T")))
- {
+ if (is_field && (field.hasKey("/T"))) {
QPDFFormFieldObjectHelper foh(field);
auto f_og = field.getObjGen();
std::string name = foh.getFullyQualifiedName();
auto old = this->m->field_to_name.find(f_og);
- if (old != this->m->field_to_name.end())
- {
+ if (old != this->m->field_to_name.end()) {
// We might be updating after a name change, so remove any
// old information
std::string old_name = old->second;
@@ -479,8 +433,7 @@ QPDFAcroFormDocumentHelper::getNeedAppearances()
bool result = false;
QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
if (acroform.isDictionary() &&
- acroform.getKey("/NeedAppearances").isBool())
- {
+ acroform.getKey("/NeedAppearances").isBool()) {
result = acroform.getKey("/NeedAppearances").getBoolValue();
}
return result;
@@ -490,20 +443,16 @@ void
QPDFAcroFormDocumentHelper::setNeedAppearances(bool val)
{
QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
- if (! acroform.isDictionary())
- {
+ if (!acroform.isDictionary()) {
this->qpdf.getRoot().warnIfPossible(
"ignoring call to QPDFAcroFormDocumentHelper::setNeedAppearances"
" on a file that lacks an /AcroForm dictionary");
return;
}
- if (val)
- {
- acroform.replaceKey("/NeedAppearances",
- QPDFObjectHandle::newBool(true));
- }
- else
- {
+ if (val) {
+ acroform.replaceKey(
+ "/NeedAppearances", QPDFObjectHandle::newBool(true));
+ } else {
acroform.removeKey("/NeedAppearances");
}
}
@@ -511,41 +460,34 @@ QPDFAcroFormDocumentHelper::setNeedAppearances(bool val)
void
QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded()
{
- if (! getNeedAppearances())
- {
+ if (!getNeedAppearances()) {
return;
}
QPDFPageDocumentHelper pdh(this->qpdf);
std::vector<QPDFPageObjectHelper> pages = pdh.getAllPages();
- for (std::vector<QPDFPageObjectHelper>::iterator page_iter =
- pages.begin();
- page_iter != pages.end(); ++page_iter)
- {
+ for (std::vector<QPDFPageObjectHelper>::iterator page_iter = pages.begin();
+ page_iter != pages.end();
+ ++page_iter) {
std::vector<QPDFAnnotationObjectHelper> annotations =
getWidgetAnnotationsForPage(*page_iter);
for (std::vector<QPDFAnnotationObjectHelper>::iterator annot_iter =
annotations.begin();
- annot_iter != annotations.end(); ++annot_iter)
- {
+ annot_iter != annotations.end();
+ ++annot_iter) {
QPDFAnnotationObjectHelper& aoh = *annot_iter;
- QPDFFormFieldObjectHelper ffh =
- getFieldForAnnotation(aoh);
- if (ffh.getFieldType() == "/Btn")
- {
+ QPDFFormFieldObjectHelper ffh = getFieldForAnnotation(aoh);
+ if (ffh.getFieldType() == "/Btn") {
// Rather than generating appearances for button
// fields, rely on what's already there. Just make
// sure /AS is consistent with /V, which we can do by
// resetting the value of the field back to itself.
// This code is referenced in a comment in
// QPDFFormFieldObjectHelper::generateAppearance.
- if (ffh.isRadioButton() || ffh.isCheckbox())
- {
+ if (ffh.isRadioButton() || ffh.isCheckbox()) {
ffh.setV(ffh.getValue());
}
- }
- else
- {
+ } else {
ffh.generateAppearance(aoh);
}
}
@@ -556,8 +498,10 @@ QPDFAcroFormDocumentHelper::generateAppearancesIfNeeded()
void
QPDFAcroFormDocumentHelper::adjustInheritedFields(
QPDFObjectHandle obj,
- bool override_da, std::string const& from_default_da,
- bool override_q, int from_default_q)
+ bool override_da,
+ std::string const& from_default_da,
+ bool override_q,
+ int from_default_q)
{
// Override /Q or /DA if needed. If this object has a field type,
// directly or inherited, it is a field and not just an
@@ -572,42 +516,32 @@ QPDFAcroFormDocumentHelper::adjustInheritedFields(
auto has_explicit = [](QPDFFormFieldObjectHelper& field,
std::string const& key) {
- if (field.getObjectHandle().hasKey(key))
- {
+ if (field.getObjectHandle().hasKey(key)) {
return true;
}
auto oh = field.getInheritableFieldValue(key);
- if (! oh.isNull())
- {
+ if (!oh.isNull()) {
return true;
}
return false;
};
- if (override_da || override_q)
- {
+ if (override_da || override_q) {
QPDFFormFieldObjectHelper cur_field(obj);
- if (override_da && (! has_explicit(cur_field, "/DA")))
- {
+ if (override_da && (!has_explicit(cur_field, "/DA"))) {
std::string da = cur_field.getDefaultAppearance();
- if (da != from_default_da)
- {
+ if (da != from_default_da) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper override da");
obj.replaceKey(
- "/DA",
- QPDFObjectHandle::newUnicodeString(
- from_default_da));
+ "/DA", QPDFObjectHandle::newUnicodeString(from_default_da));
}
}
- if (override_q && (! has_explicit(cur_field, "/Q")))
- {
+ if (override_q && (!has_explicit(cur_field, "/Q"))) {
int q = cur_field.getQuadding();
- if (q != from_default_q)
- {
+ if (q != from_default_q) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper override q");
obj.replaceKey(
- "/Q",
- QPDFObjectHandle::newInteger(from_default_q));
+ "/Q", QPDFObjectHandle::newInteger(from_default_q));
}
}
}
@@ -617,12 +551,9 @@ class ResourceReplacer: public QPDFObjectHandle::TokenFilter
{
public:
ResourceReplacer(
- std::map<std::string,
- std::map<std::string,
- std::string>> const& dr_map,
- std::map<std::string,
- std::map<std::string,
- std::set<size_t>>> const& rnames);
+ std::map<std::string, std::map<std::string, std::string>> const& dr_map,
+ std::map<std::string, std::map<std::string, std::set<size_t>>> const&
+ rnames);
virtual ~ResourceReplacer() = default;
virtual void handleToken(QPDFTokenizer::Token const&) override;
@@ -632,11 +563,9 @@ class ResourceReplacer: public QPDFObjectHandle::TokenFilter
};
ResourceReplacer::ResourceReplacer(
- std::map<std::string,
- std::map<std::string, std::string>> const& dr_map,
- std::map<std::string,
- std::map<std::string, std::set<size_t>>> const& rnames)
- :
+ std::map<std::string, std::map<std::string, std::string>> const& dr_map,
+ std::map<std::string, std::map<std::string, std::set<size_t>>> const&
+ rnames) :
offset(0)
{
// We have:
@@ -646,26 +575,21 @@ ResourceReplacer::ResourceReplacer(
// We want:
// * to_replace[key][offset] = new_key
- for (auto const& rn_iter: rnames)
- {
+ for (auto const& rn_iter : rnames) {
std::string const& rtype = rn_iter.first;
auto dr_map_rtype = dr_map.find(rtype);
- if (dr_map_rtype == dr_map.end())
- {
+ if (dr_map_rtype == dr_map.end()) {
continue;
}
auto const& key_offsets = rn_iter.second;
- for (auto const& ko_iter: key_offsets)
- {
+ for (auto const& ko_iter : key_offsets) {
std::string const& old_key = ko_iter.first;
auto dr_map_rtype_old = dr_map_rtype->second.find(old_key);
- if (dr_map_rtype_old == dr_map_rtype->second.end())
- {
+ if (dr_map_rtype_old == dr_map_rtype->second.end()) {
continue;
}
auto const& offsets = ko_iter.second;
- for (auto const& o_iter: offsets)
- {
+ for (auto const& o_iter : offsets) {
to_replace[old_key][o_iter] = dr_map_rtype_old->second;
}
}
@@ -676,21 +600,17 @@ void
ResourceReplacer::handleToken(QPDFTokenizer::Token const& token)
{
bool wrote = false;
- if (token.getType() == QPDFTokenizer::tt_name)
- {
+ if (token.getType() == QPDFTokenizer::tt_name) {
std::string name =
QPDFObjectHandle::newName(token.getValue()).getName();
- if (to_replace.count(name) &&
- to_replace[name].count(offset))
- {
+ if (to_replace.count(name) && to_replace[name].count(offset)) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper replaced DA token");
write(to_replace[name][offset]);
wrote = true;
}
}
this->offset += token.getRawValue().length();
- if (! wrote)
- {
+ if (!wrote) {
writeToken(token);
}
}
@@ -698,8 +618,7 @@ ResourceReplacer::handleToken(QPDFTokenizer::Token const& token)
void
QPDFAcroFormDocumentHelper::adjustDefaultAppearances(
QPDFObjectHandle obj,
- std::map<std::string,
- std::map<std::string, std::string>> const& dr_map)
+ std::map<std::string, std::map<std::string, std::string>> const& dr_map)
{
// This method is called on a field that has been copied from
// another file but whose /DA still refers to resources in the
@@ -733,8 +652,7 @@ QPDFAcroFormDocumentHelper::adjustDefaultAppearances(
// done in adjustInheritedFields.
auto DA = obj.getKey("/DA");
- if (! DA.isString())
- {
+ if (!DA.isString()) {
return;
}
@@ -743,19 +661,15 @@ QPDFAcroFormDocumentHelper::adjustDefaultAppearances(
// then filter it. We don't attach the stream to anything, so it
// will get discarded.
ResourceFinder rf;
- auto da_stream = QPDFObjectHandle::newStream(
- &this->qpdf, DA.getUTF8Value());
- try
- {
+ auto da_stream =
+ QPDFObjectHandle::newStream(&this->qpdf, DA.getUTF8Value());
+ try {
auto nwarnings = this->qpdf.numWarnings();
da_stream.parseAsContents(&rf);
- if (this->qpdf.numWarnings() > nwarnings)
- {
+ if (this->qpdf.numWarnings() > nwarnings) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper /DA parse error");
}
- }
- catch (std::exception& e)
- {
+ } catch (std::exception& e) {
// No way to reproduce in test suite right now since error
// conditions are converted to warnings.
obj.warnIfPossible(
@@ -795,8 +709,7 @@ QPDFAcroFormDocumentHelper::adjustAppearanceStream(
// Make sure this stream has its own private resource dictionary.
bool was_indirect = resources.isIndirect();
resources = resources.shallowCopy();
- if (was_indirect)
- {
+ if (was_indirect) {
resources = this->qpdf.makeIndirectObject(resources);
}
dict.replaceKey("/Resources", resources);
@@ -805,29 +718,23 @@ QPDFAcroFormDocumentHelper::adjustAppearanceStream(
// this to resolve conflicts that may already be in the resource
// dictionary.
auto merge_with = QPDFObjectHandle::newDictionary();
- for (auto const& top_key: dr_map)
- {
- merge_with.replaceKey(
- top_key.first, QPDFObjectHandle::newDictionary());
+ for (auto const& top_key : dr_map) {
+ merge_with.replaceKey(top_key.first, QPDFObjectHandle::newDictionary());
}
resources.mergeResources(merge_with);
// Rename any keys in the resource dictionary that we
// remapped.
- for (auto const& i1: dr_map)
- {
+ for (auto const& i1 : dr_map) {
std::string const& top_key = i1.first;
auto subdict = resources.getKey(top_key);
- if (! subdict.isDictionary())
- {
+ if (!subdict.isDictionary()) {
continue;
}
- for (auto const& i2: i1.second)
- {
+ for (auto const& i2 : i1.second) {
std::string const& old_key = i2.first;
std::string const& new_key = i2.second;
auto existing_new = subdict.getKey(new_key);
- if (! existing_new.isNull())
- {
+ if (!existing_new.isNull()) {
// The resource dictionary already has a key in it
// matching what we remapped an old key to, so we'll
// have to move it out of the way. Stick it in
@@ -838,8 +745,7 @@ QPDFAcroFormDocumentHelper::adjustAppearanceStream(
merge_with.getKey(top_key).replaceKey(new_key, existing_new);
}
auto existing_old = subdict.getKey(old_key);
- if (! existing_old.isNull())
- {
+ if (!existing_old.isNull()) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper ap rename");
subdict.replaceKey(new_key, existing_old);
subdict.removeKey(old_key);
@@ -851,31 +757,24 @@ QPDFAcroFormDocumentHelper::adjustAppearanceStream(
// the stream contents.
resources.mergeResources(merge_with, &dr_map);
// Remove empty subdictionaries
- for (auto iter: resources.ditems())
- {
- if (iter.second.isDictionary() &&
- (iter.second.getKeys().size() == 0))
- {
+ for (auto iter : resources.ditems()) {
+ if (iter.second.isDictionary() && (iter.second.getKeys().size() == 0)) {
resources.removeKey(iter.first);
}
}
// Now attach a token filter to replace the actual resources.
ResourceFinder rf;
- try
- {
+ try {
auto nwarnings = this->qpdf.numWarnings();
stream.parseAsContents(&rf);
- if (this->qpdf.numWarnings() > nwarnings)
- {
+ if (this->qpdf.numWarnings() > nwarnings) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper AP parse error");
}
auto rr = new ResourceReplacer(dr_map, rf.getNamesByResourceType());
auto tf = PointerHolder<QPDFObjectHandle::TokenFilter>(rr);
stream.addTokenFilter(tf);
- }
- catch (std::exception& e)
- {
+ } catch (std::exception& e) {
// No way to reproduce in test suite right now since error
// conditions are converted to warnings.
stream.warnIfPossible(
@@ -894,14 +793,11 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
QPDFAcroFormDocumentHelper* from_afdh)
{
PointerHolder<QPDFAcroFormDocumentHelper> afdhph;
- if (! from_qpdf)
- {
+ if (!from_qpdf) {
// Assume these are from the same QPDF.
from_qpdf = &this->qpdf;
from_afdh = this;
- }
- else if ((from_qpdf != &this->qpdf) && (! from_afdh))
- {
+ } else if ((from_qpdf != &this->qpdf) && (!from_afdh)) {
afdhph = make_pointer_holder<QPDFAcroFormDocumentHelper>(*from_qpdf);
from_afdh = afdhph.get();
}
@@ -926,47 +822,36 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
// If we copy any form fields, we will need to merge the source
// document's /DR into this document's /DR.
QPDFObjectHandle from_dr = QPDFObjectHandle::newNull();
- if (foreign)
- {
+ if (foreign) {
std::string default_da;
int default_q = 0;
- if (acroform.isDictionary())
- {
- if (acroform.getKey("/DA").isString())
- {
+ if (acroform.isDictionary()) {
+ if (acroform.getKey("/DA").isString()) {
default_da = acroform.getKey("/DA").getUTF8Value();
}
- if (acroform.getKey("/Q").isInteger())
- {
+ if (acroform.getKey("/Q").isInteger()) {
default_q = acroform.getKey("/Q").getIntValueAsInt();
}
}
- if (from_acroform.isDictionary())
- {
- if (from_acroform.getKey("/DR").isDictionary())
- {
+ if (from_acroform.isDictionary()) {
+ if (from_acroform.getKey("/DR").isDictionary()) {
from_dr = from_acroform.getKey("/DR");
- if (! from_dr.isIndirect())
- {
+ if (!from_dr.isIndirect()) {
from_dr = from_qpdf->makeIndirectObject(from_dr);
}
from_dr = this->qpdf.copyForeignObject(from_dr);
}
- if (from_acroform.getKey("/DA").isString())
- {
+ if (from_acroform.getKey("/DA").isString()) {
from_default_da = from_acroform.getKey("/DA").getUTF8Value();
}
- if (from_acroform.getKey("/Q").isInteger())
- {
+ if (from_acroform.getKey("/Q").isInteger()) {
from_default_q = from_acroform.getKey("/Q").getIntValueAsInt();
}
}
- if (from_default_da != default_da)
- {
+ if (from_default_da != default_da) {
override_da = true;
}
- if (from_default_q != default_q)
- {
+ if (from_default_q != default_q) {
override_q = true;
}
}
@@ -978,23 +863,19 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
bool initialized_dr_map = false;
QPDFObjectHandle dr = QPDFObjectHandle::newNull();
auto init_dr_map = [&]() {
- if (! initialized_dr_map)
- {
+ if (!initialized_dr_map) {
initialized_dr_map = true;
// Ensure that we have a /DR that is an indirect
// dictionary object.
- if (! acroform.isDictionary())
- {
+ if (!acroform.isDictionary()) {
acroform = getOrCreateAcroForm();
}
dr = acroform.getKey("/DR");
- if (! dr.isDictionary())
- {
+ if (!dr.isDictionary()) {
dr = QPDFObjectHandle::newDictionary();
}
dr.makeResourcesIndirect(this->qpdf);
- if (! dr.isIndirect())
- {
+ if (!dr.isIndirect()) {
dr = this->qpdf.makeIndirectObject(dr);
acroform.replaceKey("/DR", dr);
}
@@ -1006,8 +887,7 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
from_dr.makeResourcesIndirect(this->qpdf);
dr.mergeResources(from_dr, &dr_map);
- if (from_afdh->getNeedAppearances())
- {
+ if (from_afdh->getNeedAppearances()) {
setNeedAppearances(true);
}
}
@@ -1018,13 +898,10 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
std::map<QPDFObjGen, QPDFObjectHandle> orig_to_copy;
auto maybe_copy_object = [&](QPDFObjectHandle& to_copy) {
auto og = to_copy.getObjGen();
- if (orig_to_copy.count(og))
- {
+ if (orig_to_copy.count(og)) {
to_copy = orig_to_copy[og];
return false;
- }
- else
- {
+ } else {
to_copy = this->qpdf.makeIndirectObject(to_copy.shallowCopy());
orig_to_copy[og] = to_copy;
return true;
@@ -1034,10 +911,8 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
// Now do the actual copies.
std::set<QPDFObjGen> added_new_fields;
- for (auto annot: old_annots.aitems())
- {
- if (annot.isStream())
- {
+ for (auto annot : old_annots.aitems()) {
+ if (annot.isStream()) {
annot.warnIfPossible("ignoring annotation that's a stream");
continue;
}
@@ -1081,25 +956,18 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
QPDFObjectHandle top_field;
bool have_field = false;
bool have_parent = false;
- if (ffield_oh.isStream())
- {
+ if (ffield_oh.isStream()) {
ffield_oh.warnIfPossible("ignoring form field that's a stream");
- }
- else if ((! ffield_oh.isNull()) && (! ffield_oh.isIndirect()))
- {
+ } else if ((!ffield_oh.isNull()) && (!ffield_oh.isIndirect())) {
ffield_oh.warnIfPossible("ignoring form field not indirect");
- }
- else if (! ffield_oh.isNull())
- {
+ } else if (!ffield_oh.isNull()) {
// A field and its associated annotation can be the same
// object. This matters because we don't want to clone the
// annotation and field separately in this case.
have_field = true;
// Find the top-level field. It may be the field itself.
- top_field = ffield.getTopLevelField(
- &have_parent).getObjectHandle();
- if (foreign)
- {
+ top_field = ffield.getTopLevelField(&have_parent).getObjectHandle();
+ if (foreign) {
// copyForeignObject returns the same value if called
// multiple times with the same field. Create/retrieve
// the local copy of the original field. This pulls
@@ -1112,9 +980,7 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
// top_field and ffield_oh are known to be indirect.
top_field = this->qpdf.copyForeignObject(top_field);
ffield_oh = this->qpdf.copyForeignObject(ffield_oh);
- }
- else
- {
+ } else {
// We don't need to add top_field to old_fields if
// it's foreign because the new copy of the foreign
// field won't be referenced anywhere. It's just the
@@ -1126,62 +992,53 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
// Traverse the field, copying kids, and preserving
// integrity.
std::list<QPDFObjectHandle> queue;
- if (maybe_copy_object(top_field))
- {
+ if (maybe_copy_object(top_field)) {
queue.push_back(top_field);
}
std::set<QPDFObjGen> seen;
- while (! queue.empty())
- {
+ while (!queue.empty()) {
QPDFObjectHandle obj = queue.front();
queue.pop_front();
auto orig_og = obj.getObjGen();
- if (seen.count(orig_og))
- {
+ if (seen.count(orig_og)) {
// loop
break;
}
seen.insert(orig_og);
auto parent = obj.getKey("/Parent");
- if (parent.isIndirect())
- {
+ if (parent.isIndirect()) {
auto parent_og = parent.getObjGen();
- if (orig_to_copy.count(parent_og))
- {
+ if (orig_to_copy.count(parent_og)) {
obj.replaceKey("/Parent", orig_to_copy[parent_og]);
- }
- else
- {
+ } else {
parent.warnIfPossible(
"while traversing field " +
- obj.getObjGen().unparse() +
- ", found parent (" + parent_og.unparse() +
+ obj.getObjGen().unparse() + ", found parent (" +
+ parent_og.unparse() +
") that had not been seen, indicating likely"
" invalid field structure");
}
}
auto kids = obj.getKey("/Kids");
- if (kids.isArray())
- {
- for (int i = 0; i < kids.getArrayNItems(); ++i)
- {
+ if (kids.isArray()) {
+ for (int i = 0; i < kids.getArrayNItems(); ++i) {
auto kid = kids.getArrayItem(i);
- if (maybe_copy_object(kid))
- {
+ if (maybe_copy_object(kid)) {
kids.setArrayItem(i, kid);
queue.push_back(kid);
}
}
}
- if (override_da || override_q)
- {
+ if (override_da || override_q) {
adjustInheritedFields(
- obj, override_da, from_default_da,
- override_q, from_default_q);
+ obj,
+ override_da,
+ from_default_da,
+ override_q,
+ from_default_q);
}
- if (foreign)
- {
+ if (foreign) {
// Lazily initialize our /DR and the conflict map.
init_dr_map();
// The spec doesn't say anything about /DR on the
@@ -1195,14 +1052,12 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
// the mac Preview application, and several of the
// free readers on Linux all ignore /DR at the
// field level.
- if (obj.hasKey("/DR"))
- {
+ if (obj.hasKey("/DR")) {
obj.replaceKey("/DR", dr);
}
}
if (foreign && obj.getKey("/DA").isString() &&
- (! dr_map.empty()))
- {
+ (!dr_map.empty())) {
adjustDefaultAppearances(obj, dr_map);
}
}
@@ -1212,17 +1067,18 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
ffield = QPDFFormFieldObjectHelper(ffield_oh);
}
- QTC::TC("qpdf", "QPDFAcroFormDocumentHelper copy annotation",
- (have_field ? 1 : 0) | (foreign ? 2 : 0));
- if (have_field)
- {
- QTC::TC("qpdf", "QPDFAcroFormDocumentHelper field with parent",
- (have_parent ? 1 : 0) | (foreign ? 2 : 0));
+ QTC::TC(
+ "qpdf",
+ "QPDFAcroFormDocumentHelper copy annotation",
+ (have_field ? 1 : 0) | (foreign ? 2 : 0));
+ if (have_field) {
+ QTC::TC(
+ "qpdf",
+ "QPDFAcroFormDocumentHelper field with parent",
+ (have_parent ? 1 : 0) | (foreign ? 2 : 0));
}
- if (foreign)
- {
- if (! annot.isIndirect())
- {
+ if (foreign) {
+ if (!annot.isIndirect()) {
annot = from_qpdf->makeIndirectObject(annot);
}
annot = this->qpdf.copyForeignObject(annot);
@@ -1230,8 +1086,7 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
maybe_copy_object(annot);
// Now we have copies, so we can safely mutate.
- if (have_field && ! added_new_fields.count(top_field.getObjGen()))
- {
+ if (have_field && !added_new_fields.count(top_field.getObjGen())) {
new_fields.push_back(top_field);
added_new_fields.insert(top_field.getObjGen());
}
@@ -1247,24 +1102,16 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
dict.replaceKey(key, new_stream);
return new_stream;
};
- if (apdict.isDictionary())
- {
- for (auto& ap: apdict.ditems())
- {
- if (ap.second.isStream())
- {
+ if (apdict.isDictionary()) {
+ for (auto& ap : apdict.ditems()) {
+ if (ap.second.isStream()) {
streams.push_back(
replace_stream(apdict, ap.first, ap.second));
- }
- else if (ap.second.isDictionary())
- {
- for (auto& ap2: ap.second.ditems())
- {
- if (ap2.second.isStream())
- {
- streams.push_back(
- replace_stream(
- ap.second, ap2.first, ap2.second));
+ } else if (ap.second.isDictionary()) {
+ for (auto& ap2 : ap.second.ditems()) {
+ if (ap2.second.isStream()) {
+ streams.push_back(replace_stream(
+ ap.second, ap2.first, ap2.second));
}
}
}
@@ -1273,33 +1120,28 @@ QPDFAcroFormDocumentHelper::transformAnnotations(
// Now we can safely mutate the annotation and its appearance
// streams.
- for (auto& stream: streams)
- {
+ for (auto& stream : streams) {
auto dict = stream.getDict();
auto omatrix = dict.getKey("/Matrix");
QPDFMatrix apcm;
- if (omatrix.isArray())
- {
+ if (omatrix.isArray()) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper modify ap matrix");
auto m1 = omatrix.getArrayAsMatrix();
apcm = QPDFMatrix(m1);
}
apcm.concat(cm);
auto new_matrix = QPDFObjectHandle::newFromMatrix(apcm);
- if (omatrix.isArray() || (apcm != QPDFMatrix()))
- {
+ if (omatrix.isArray() || (apcm != QPDFMatrix())) {
dict.replaceKey("/Matrix", new_matrix);
}
auto resources = dict.getKey("/Resources");
- if ((! dr_map.empty()) && resources.isDictionary())
- {
+ if ((!dr_map.empty()) && resources.isDictionary()) {
adjustAppearanceStream(stream, dr_map);
}
}
- auto rect = cm.transformRectangle(
- annot.getKey("/Rect").getArrayAsRectangle());
- annot.replaceKey(
- "/Rect", QPDFObjectHandle::newFromRectangle(rect));
+ auto rect =
+ cm.transformRectangle(annot.getKey("/Rect").getArrayAsRectangle());
+ annot.replaceKey("/Rect", QPDFObjectHandle::newFromRectangle(rect));
}
}
@@ -1309,10 +1151,13 @@ QPDFAcroFormDocumentHelper::copyFieldsFromForeignPage(
QPDFAcroFormDocumentHelper& foreign_afdh,
std::vector<QPDFObjectHandle>* copied_fields)
{
- this->qpdf.warn(
- QPDFExc(qpdf_e_unsupported, "", "", 0,
- "Non-working version of copyFieldsFromForeignPage"
- " from qpdf 10.2 called; application requires updating"));
+ this->qpdf.warn(QPDFExc(
+ qpdf_e_unsupported,
+ "",
+ "",
+ 0,
+ "Non-working version of copyFieldsFromForeignPage"
+ " from qpdf 10.2 called; application requires updating"));
}
void
@@ -1323,24 +1168,26 @@ QPDFAcroFormDocumentHelper::fixCopiedAnnotations(
std::set<QPDFObjGen>* added_fields)
{
auto old_annots = from_page.getKey("/Annots");
- if ((! old_annots.isArray()) || (old_annots.getArrayNItems() == 0))
- {
+ if ((!old_annots.isArray()) || (old_annots.getArrayNItems() == 0)) {
return;
}
std::vector<QPDFObjectHandle> new_annots;
std::vector<QPDFObjectHandle> new_fields;
std::set<QPDFObjGen> old_fields;
- transformAnnotations(old_annots, new_annots, new_fields, old_fields,
- QPDFMatrix(), &(from_afdh.getQPDF()),
- &from_afdh);
+ transformAnnotations(
+ old_annots,
+ new_annots,
+ new_fields,
+ old_fields,
+ QPDFMatrix(),
+ &(from_afdh.getQPDF()),
+ &from_afdh);
to_page.replaceKey("/Annots", QPDFObjectHandle::newArray(new_annots));
addAndRenameFormFields(new_fields);
- if (added_fields)
- {
- for (auto f: new_fields)
- {
+ if (added_fields) {
+ for (auto f : new_fields) {
added_fields->insert(f.getObjGen());
}
}