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qpdf/libqpdf/QPDF_Real.cc
Jay Berkenbilt da7c2c0ee9 Fix json serialization for {x | -1 < x < 1} (fixes #308)
JSON serialization was preserving the value as presented, but JSON
doesn't accept decimal values without a 0 before the decimal point.
2019-03-11 16:22:59 -04:00

71 lines
1.2 KiB
C++

#include <qpdf/QPDF_Real.hh>
#include <qpdf/QUtil.hh>
QPDF_Real::QPDF_Real(std::string const& val) :
val(val)
{
}
QPDF_Real::QPDF_Real(double value, int decimal_places) :
val(QUtil::double_to_string(value, decimal_places))
{
}
QPDF_Real::~QPDF_Real()
{
}
std::string
QPDF_Real::unparse()
{
return this->val;
}
JSON
QPDF_Real::getJSON()
{
// While PDF allows .x or -.x, JSON does not. Rather than
// convering from string to double and back, just handle this as a
// special case for JSON.
std::string result;
if (this->val.length() == 0)
{
// Can't really happen...
result = "0";
}
else if (this->val.at(0) == '.')
{
result = "0" + this->val;
}
else if ((this->val.length() >= 2) &&
(this->val.at(0) == '-') &&
(this->val.at(1) == '.'))
{
result = "-0." + this->val.substr(2);
}
else
{
result = this->val;
}
return JSON::makeNumber(result);
}
QPDFObject::object_type_e
QPDF_Real::getTypeCode() const
{
return QPDFObject::ot_real;
}
char const*
QPDF_Real::getTypeName() const
{
return "real";
}
std::string
QPDF_Real::getVal()
{
return this->val;
}