From da7c2c0ee90104524ed98a2370af0ea70a0f6d0d Mon Sep 17 00:00:00 2001 From: Jay Berkenbilt Date: Mon, 11 Mar 2019 16:21:27 -0400 Subject: 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. --- libqpdf/QPDF_Real.cc | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) (limited to 'libqpdf') diff --git a/libqpdf/QPDF_Real.cc b/libqpdf/QPDF_Real.cc index b28c2f70..b4c8283f 100644 --- a/libqpdf/QPDF_Real.cc +++ b/libqpdf/QPDF_Real.cc @@ -25,7 +25,30 @@ QPDF_Real::unparse() JSON QPDF_Real::getJSON() { - return JSON::makeNumber(this->val); + // 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 -- cgit v1.2.3-54-g00ecf