mirror of https://github.com/qpdf/qpdf.git
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#include <qpdf/Pl_Function.hh>
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#include <stdexcept>
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Pl_Function::Members::Members(writer_t fn) :
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fn(fn)
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{
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}
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Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_t fn) :
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Pipeline(identifier, next),
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m(new Members(fn))
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{
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}
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Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_c_t fn, void* udata) :
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Pipeline(identifier, next),
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m(new Members(nullptr))
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{
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m->fn = [identifier, fn, udata](unsigned char const* data, size_t len) {
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int code = fn(data, len, udata);
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if (code != 0) {
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throw std::runtime_error(
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std::string(identifier) + " function returned code " + std::to_string(code));
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}
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};
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}
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Pl_Function::Pl_Function(char const* identifier, Pipeline* next, writer_c_char_t fn, void* udata) :
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Pipeline(identifier, next),
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m(new Members(nullptr))
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{
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m->fn = [identifier, fn, udata](unsigned char const* data, size_t len) {
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int code = fn(reinterpret_cast<char const*>(data), len, udata);
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if (code != 0) {
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throw std::runtime_error(
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std::string(identifier) + " function returned code " + std::to_string(code));
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}
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};
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}
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Pl_Function::~Pl_Function() // NOLINT (modernize-use-equals-default)
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{
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// Must be explicit and not inline -- see QPDF_DLL_CLASS in README-maintainer
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}
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void
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Pl_Function::write(unsigned char const* buf, size_t len)
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{
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m->fn(buf, len);
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if (getNext(true)) {
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getNext()->write(buf, len);
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}
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}
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void
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Pl_Function::finish()
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{
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if (getNext(true)) {
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getNext()->finish();
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}
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}
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