Coverage Report

Created: 2025-07-11 06:58

/src/qpdf/libqpdf/QPDFObject.cc
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#include <qpdf/QPDFObject_private.hh>
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std::string
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QPDFObject::getDescription()
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{
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    qpdf_offset_t shift = (getTypeCode() == ::ot_dictionary) ? 2
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        : (getTypeCode() == ::ot_array)                      ? 1
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                                                             : 0;
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    if (object_description) {
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        switch (object_description->index()) {
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        case 0:
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            {
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                // Simple template string
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                auto description = std::get<0>(*object_description);
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                if (auto pos = description.find("$OG"); pos != std::string::npos) {
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                    description.replace(pos, 3, og.unparse(' '));
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                }
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                if (auto pos = description.find("$PO"); pos != std::string::npos) {
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                    description.replace(pos, 3, std::to_string(parsed_offset + shift));
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                }
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                return description;
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            }
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        case 1:
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            {
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                // QPDF::JSONReactor generated description
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                auto j_descr = std::get<1>(*object_description);
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                return (
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                    *j_descr.input + (j_descr.object.empty() ? "" : ", " + j_descr.object) +
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                    " at offset " + std::to_string(parsed_offset));
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            }
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        case 2:
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            {
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                // Child object description
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                auto j_descr = std::get<2>(*object_description);
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                std::string result;
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                if (auto p = j_descr.parent.lock()) {
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                    result = p->getDescription();
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                }
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                result += j_descr.static_descr;
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                if (auto pos = result.find("$VD"); pos != std::string::npos) {
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                    result.replace(pos, 3, j_descr.var_descr);
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                }
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                return result;
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            }
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        case 3:
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            auto [stream_id, obj_id] = std::get<3>(*object_description);
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            std::string result = qpdf ? qpdf->getFilename() : "";
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            result += " object stream " + std::to_string(stream_id) + ", object " +
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                std::to_string(obj_id) + " 0 at offset " + std::to_string(parsed_offset + shift);
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            return result;
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        }
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    } else if (og.isIndirect()) {
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        return "object " + og.unparse(' ');
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    }
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    return {};
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}