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6cbc55a5b5
Avoid dynamic casting.
64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
#include <qpdf/QPDF_Real.hh>
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#include <qpdf/QUtil.hh>
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QPDF_Real::QPDF_Real(std::string const& val) :
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QPDFValue(::ot_real, "real"),
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val(val)
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{
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}
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QPDF_Real::QPDF_Real(
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double value, int decimal_places, bool trim_trailing_zeroes) :
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QPDFValue(::ot_real, "real"),
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val(QUtil::double_to_string(value, decimal_places, trim_trailing_zeroes))
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{
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}
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std::shared_ptr<QPDFObject>
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QPDF_Real::create(std::string const& val)
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{
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return do_create(new QPDF_Real(val));
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}
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std::shared_ptr<QPDFObject>
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QPDF_Real::create(double value, int decimal_places, bool trim_trailing_zeroes)
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{
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return do_create(
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new QPDF_Real(value, decimal_places, trim_trailing_zeroes));
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}
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std::shared_ptr<QPDFObject>
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QPDF_Real::copy(bool shallow)
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{
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return create(val);
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}
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std::string
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QPDF_Real::unparse()
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{
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return this->val;
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}
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JSON
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QPDF_Real::getJSON(int json_version)
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{
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// While PDF allows .x or -.x, JSON does not. Rather than
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// converting from string to double and back, just handle this as a
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// special case for JSON.
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std::string result;
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if (this->val.length() == 0) {
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// Can't really happen...
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result = "0";
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} else if (this->val.at(0) == '.') {
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result = "0" + this->val;
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} else if (
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(this->val.length() >= 2) && (this->val.at(0) == '-') &&
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(this->val.at(1) == '.')) {
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result = "-0." + this->val.substr(2);
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} else {
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result = this->val;
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}
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return JSON::makeNumber(result);
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}
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