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Added public assert{Type} methods to QPDFObjectHandle

This commit is contained in:
Tobias Hoffmann 2012-06-19 00:58:30 +02:00 committed by Jay Berkenbilt
parent 39bbaa86e3
commit a8266ccb0e
2 changed files with 106 additions and 31 deletions
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25
include/qpdf/QPDFObjectHandle.hh
View File

@ -409,6 +409,28 @@ class QPDFObjectHandle
friend class ReleaseResolver;
// Convenience routine: Throws if the assumption is violated.
QPDF_DLL
void assertInitialized() const;
QPDF_DLL
void assertNull();
QPDF_DLL
void assertBool();
QPDF_DLL
void assertInteger();
QPDF_DLL
void assertReal();
QPDF_DLL
void assertName();
QPDF_DLL
void assertString();
QPDF_DLL
void assertArray();
QPDF_DLL
void assertDictionary();
QPDF_DLL
void assertStream();
QPDF_DLL
void assertPageObject();
@ -422,8 +444,7 @@ class QPDFObjectHandle
QPDF* qpdf, int objid, int generation,
QPDFObjectHandle stream_dict, qpdf_offset_t offset, size_t length);
void assertInitialized() const;
void assertType(char const* type_name, bool istype);
void assertType(char const* type_name, bool istype) const;
void dereference();
void makeDirectInternal(std::set<int>& visited);
void releaseResolved();

112
libqpdf/QPDFObjectHandle.cc
View File

@ -183,7 +183,7 @@ QPDFObjectHandle::isScalar()
bool
QPDFObjectHandle::getBoolValue()
{
assertType("Boolean", isBool());
assertBool();
return dynamic_cast<QPDF_Bool*>(obj.getPointer())->getVal();
}
@ -192,7 +192,7 @@ QPDFObjectHandle::getBoolValue()
long long
QPDFObjectHandle::getIntValue()
{
assertType("Integer", isInteger());
assertInteger();
return dynamic_cast<QPDF_Integer*>(obj.getPointer())->getVal();
}
@ -201,7 +201,7 @@ QPDFObjectHandle::getIntValue()
std::string
QPDFObjectHandle::getRealValue()
{
assertType("Real", isReal());
assertReal();
return dynamic_cast<QPDF_Real*>(obj.getPointer())->getVal();
}
@ -210,7 +210,7 @@ QPDFObjectHandle::getRealValue()
std::string
QPDFObjectHandle::getName()
{
assertType("Name", isName());
assertName();
return dynamic_cast<QPDF_Name*>(obj.getPointer())->getName();
}
@ -219,14 +219,14 @@ QPDFObjectHandle::getName()
std::string
QPDFObjectHandle::getStringValue()
{
assertType("String", isString());
assertString();
return dynamic_cast<QPDF_String*>(obj.getPointer())->getVal();
}
std::string
QPDFObjectHandle::getUTF8Value()
{
assertType("String", isString());
assertString();
return dynamic_cast<QPDF_String*>(obj.getPointer())->getUTF8Val();
}
@ -235,21 +235,21 @@ QPDFObjectHandle::getUTF8Value()
int
QPDFObjectHandle::getArrayNItems()
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->getNItems();
}
QPDFObjectHandle
QPDFObjectHandle::getArrayItem(int n)
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->getItem(n);
}
std::vector<QPDFObjectHandle>
QPDFObjectHandle::getArrayAsVector()
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->getAsVector();
}
@ -258,35 +258,35 @@ QPDFObjectHandle::getArrayAsVector()
void
QPDFObjectHandle::setArrayItem(int n, QPDFObjectHandle const& item)
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->setItem(n, item);
}
void
QPDFObjectHandle::setArrayFromVector(std::vector<QPDFObjectHandle> const& items)
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->setFromVector(items);
}
void
QPDFObjectHandle::insertItem(int at, QPDFObjectHandle const& item)
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->insertItem(at, item);
}
void
QPDFObjectHandle::appendItem(QPDFObjectHandle const& item)
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->appendItem(item);
}
void
QPDFObjectHandle::eraseItem(int at)
{
assertType("Array", isArray());
assertArray();
return dynamic_cast<QPDF_Array*>(obj.getPointer())->eraseItem(at);
}
@ -295,28 +295,28 @@ QPDFObjectHandle::eraseItem(int at)
bool
QPDFObjectHandle::hasKey(std::string const& key)
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->hasKey(key);
}
QPDFObjectHandle
QPDFObjectHandle::getKey(std::string const& key)
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->getKey(key);
}
std::set<std::string>
QPDFObjectHandle::getKeys()
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->getKeys();
}
std::map<std::string, QPDFObjectHandle>
QPDFObjectHandle::getDictAsMap()
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->getAsMap();
}
@ -349,7 +349,7 @@ void
QPDFObjectHandle::replaceKey(std::string const& key,
QPDFObjectHandle const& value)
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(
obj.getPointer())->replaceKey(key, value);
}
@ -357,7 +357,7 @@ QPDFObjectHandle::replaceKey(std::string const& key,
void
QPDFObjectHandle::removeKey(std::string const& key)
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(obj.getPointer())->removeKey(key);
}
@ -365,7 +365,7 @@ void
QPDFObjectHandle::replaceOrRemoveKey(std::string const& key,
QPDFObjectHandle value)
{
assertType("Dictionary", isDictionary());
assertDictionary();
return dynamic_cast<QPDF_Dictionary*>(
obj.getPointer())->replaceOrRemoveKey(key, value);
}
@ -374,21 +374,21 @@ QPDFObjectHandle::replaceOrRemoveKey(std::string const& key,
QPDFObjectHandle
QPDFObjectHandle::getDict()
{
assertType("Stream", isStream());
assertStream();
return dynamic_cast<QPDF_Stream*>(obj.getPointer())->getDict();
}
PointerHolder<Buffer>
QPDFObjectHandle::getStreamData()
{
assertType("Stream", isStream());
assertStream();
return dynamic_cast<QPDF_Stream*>(obj.getPointer())->getStreamData();
}
PointerHolder<Buffer>
QPDFObjectHandle::getRawStreamData()
{
assertType("Stream", isStream());
assertStream();
return dynamic_cast<QPDF_Stream*>(obj.getPointer())->getRawStreamData();
}
@ -396,7 +396,7 @@ bool
QPDFObjectHandle::pipeStreamData(Pipeline* p, bool filter,
bool normalize, bool compress)
{
assertType("Stream", isStream());
assertStream();
return dynamic_cast<QPDF_Stream*>(obj.getPointer())->pipeStreamData(
p, filter, normalize, compress);
}
@ -406,7 +406,7 @@ QPDFObjectHandle::replaceStreamData(PointerHolder<Buffer> data,
QPDFObjectHandle const& filter,
QPDFObjectHandle const& decode_parms)
{
assertType("Stream", isStream());
assertStream();
dynamic_cast<QPDF_Stream*>(obj.getPointer())->replaceStreamData(
data, filter, decode_parms);
}
@ -416,7 +416,7 @@ QPDFObjectHandle::replaceStreamData(PointerHolder<StreamDataProvider> provider,
QPDFObjectHandle const& filter,
QPDFObjectHandle const& decode_parms)
{
assertType("Stream", isStream());
assertStream();
dynamic_cast<QPDF_Stream*>(obj.getPointer())->replaceStreamData(
provider, filter, decode_parms);
}
@ -524,7 +524,7 @@ void
QPDFObjectHandle::addPageContents(QPDFObjectHandle new_contents, bool first)
{
assertPageObject();
new_contents.assertType("Stream", new_contents.isStream());
new_contents.assertStream();
std::vector<QPDFObjectHandle> orig_contents = getPageContents();
@ -839,7 +839,7 @@ QPDFObjectHandle::assertInitialized() const
}
void
QPDFObjectHandle::assertType(char const* type_name, bool istype)
QPDFObjectHandle::assertType(char const* type_name, bool istype) const
{
if (! istype)
{
@ -848,6 +848,60 @@ QPDFObjectHandle::assertType(char const* type_name, bool istype)
}
}
void
QPDFObjectHandle::assertNull()
{
assertType("Null", isNull());
}
void
QPDFObjectHandle::assertBool()
{
assertType("Boolean", isBool());
}
void
QPDFObjectHandle::assertInteger()
{
assertType("Integer", isInteger());
}
void
QPDFObjectHandle::assertReal()
{
assertType("Real", isReal());
}
void
QPDFObjectHandle::assertName()
{
assertType("Name", isName());
}
void
QPDFObjectHandle::assertString()
{
assertType("String", isString());
}
void
QPDFObjectHandle::assertArray()
{
assertType("Array", isArray());
}
void
QPDFObjectHandle::assertDictionary()
{
assertType("Dictionary", isDictionary());
}
void
QPDFObjectHandle::assertStream()
{
assertType("Stream", isStream());
}
void
QPDFObjectHandle::assertPageObject()
{