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Merge branch 'develop' into claude/const-json-pointer-assertion

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Conflicts:
- docs/mkdocs/docs/api/basic_json/operator[].md: version history item 1 keeps develop's std::length_error fix note and appends the PR's runtime assertion note

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-30 20:42:02 +02:00
parent 93fe62fc0b 6a073dbae4
commit b15ec08275
89 changed files with 5614 additions and 642 deletions
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include/nlohmann/detail/json_pointer.hpp
+10 -3
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@@ -26,6 +26,7 @@
#include <nlohmann/detail/macro_scope.hpp>
#include <nlohmann/detail/string_concat.hpp>
#include <nlohmann/detail/string_escape.hpp>
#include <nlohmann/detail/string_utils.hpp>
#include <nlohmann/detail/value_t.hpp>
NLOHMANN_JSON_NAMESPACE_BEGIN
@@ -116,7 +117,7 @@ class json_pointer
/// @sa https://json.nlohmann.me/api/json_pointer/operator_slasheq/
json_pointer& operator/=(std::size_t array_idx)
{
return *this /= std::to_string(array_idx);
return *this /= detail::to_string<string_t>(array_idx);
}
/// @brief create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer
@@ -752,7 +753,13 @@ class json_pointer
// "-" always fails the range check
return false;
}
if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !("0" <= reference_token && reference_token <= "9")))
if (JSON_HEDLEY_UNLIKELY(reference_token.empty()))
{
// an empty reference token is not an array index; array_index()
// would throw out_of_range.404 -- contains() must not throw (see #5395)
return false;
}
if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !('0' <= reference_token[0] && reference_token[0] <= '9')))
{
// invalid char
return false;
@@ -780,7 +787,7 @@ class json_pointer
// not throw (see #5395), so such a reference token is treated as "not found"
errno = 0; // strtoull() does not reset errno on success
char* p_end = nullptr; // NOLINT(misc-const-correctness)
const unsigned long long magnitude = std::strtoull(reference_token.c_str(), &p_end, 10); // NOLINT(runtime/int)
const unsigned long long magnitude = std::strtoull(reference_token.data(), &p_end, 10); // NOLINT(runtime/int)
if (JSON_HEDLEY_UNLIKELY(errno == ERANGE // the value exceeds ULLONG_MAX
|| magnitude >= static_cast<unsigned long long>((std::numeric_limits<typename BasicJsonType::size_type>::max)()))) // NOLINT(runtime/int)
{