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qpdf/libqpdf/QPDFExc.cc
Jay Berkenbilt d0e99f195a More robust handling of type errors
Give objects descriptions and context so it is possible to issue
warnings instead of fatal errors for attempts to access objects of the
wrong type.
2018-02-18 21:06:27 -05:00

93 lines
1.5 KiB
C++

#include <qpdf/QPDFExc.hh>
#include <qpdf/QUtil.hh>
QPDFExc::QPDFExc(qpdf_error_code_e error_code,
std::string const& filename,
std::string const& object,
qpdf_offset_t offset,
std::string const& message) :
std::runtime_error(createWhat(filename, object, offset, message)),
error_code(error_code),
filename(filename),
object(object),
offset(offset),
message(message)
{
}
QPDFExc::~QPDFExc() throw ()
{
}
std::string
QPDFExc::createWhat(std::string const& filename,
std::string const& object,
qpdf_offset_t offset,
std::string const& message)
{
std::string result;
if (! filename.empty())
{
result += filename;
}
if (! (object.empty() && offset == 0))
{
if (! filename.empty())
{
result += " (";
}
if (! object.empty())
{
result += object;
if (offset > 0)
{
result += ", ";
}
}
if (offset > 0)
{
result += "offset " + QUtil::int_to_string(offset);
}
if (! filename.empty())
{
result += ")";
}
}
if (! result.empty())
{
result += ": ";
}
result += message;
return result;
}
qpdf_error_code_e
QPDFExc::getErrorCode() const
{
return this->error_code;
}
std::string const&
QPDFExc::getFilename() const
{
return this->filename;
}
std::string const&
QPDFExc::getObject() const
{
return this->object;
}
qpdf_offset_t
QPDFExc::getFilePosition() const
{
return this->offset;
}
std::string const&
QPDFExc::getMessageDetail() const
{
return this->message;
}