mirror of
https://github.com/qpdf/qpdf.git
synced 2024-12-23 11:28:56 +00:00
6cbc55a5b5
Avoid dynamic casting.
64 lines
1.4 KiB
C++
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);
|
|
}
|