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fix issue1982: contains() exceptions are incorrectly raised

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chenguoping
2020-04-13 19:41:13 +08:00
parent b7be613b6e
commit f5a487d1b4
3 changed files with 51 additions and 12 deletions
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21
include/nlohmann/detail/json_pointer.hpp
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@ -678,6 +678,27 @@ class json_pointer
// "-" always fails the range check
return false;
}
if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 and not (reference_token >= "0" and reference_token <= "9")))
{
// invalid char
return false;
}
if (JSON_HEDLEY_UNLIKELY(reference_token.size() > 1))
{
if (JSON_HEDLEY_UNLIKELY(not (reference_token[0] > '0' and reference_token[0] <= '9')))
{
// first char should be between '1' and '9'
return false;
}
for (std::size_t i = 1; i < reference_token.size(); i++)
{
if (JSON_HEDLEY_UNLIKELY(not (reference_token[i] >= '0' and reference_token[i] <= '9')))
{
// other char should be between '0' and '9'
return false;
}
}
}
const auto idx = static_cast<size_type>(array_index(reference_token));
if (idx >= ptr->size())