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qpdf/libqpdf/QPDF_Real.cc
2022-12-31 09:31:07 -05:00

64 lines
1.4 KiB
C++

#include <qpdf/QPDF_Real.hh>
#include <qpdf/QUtil.hh>
QPDF_Real::QPDF_Real(std::string const& val) :
QPDFValue(::ot_real, "real"),
val(val)
{
}
QPDF_Real::QPDF_Real(
double value, int decimal_places, bool trim_trailing_zeroes) :
QPDFValue(::ot_real, "real"),
val(QUtil::double_to_string(value, decimal_places, trim_trailing_zeroes))
{
}
std::shared_ptr<QPDFObject>
QPDF_Real::create(std::string const& val)
{
return do_create(new QPDF_Real(val));
}
std::shared_ptr<QPDFObject>
QPDF_Real::create(double value, int decimal_places, bool trim_trailing_zeroes)
{
return do_create(
new QPDF_Real(value, decimal_places, trim_trailing_zeroes));
}
std::shared_ptr<QPDFObject>
QPDF_Real::copy(bool shallow)
{
return create(val);
}
std::string
QPDF_Real::unparse()
{
return this->val;
}
JSON
QPDF_Real::getJSON(int json_version)
{
// While PDF allows .x or -.x, JSON does not. Rather than
// converting 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);
}