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♻️ add iterator set_parent function

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This commit is contained in:
Niels Lohmann
2021-01-14 22:43:52 +01:00
parent 0d1fb383b7
commit f8037660d0
2 changed files with 36 additions and 78 deletions
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57
include/nlohmann/json.hpp
View File

@ -1287,6 +1287,19 @@ class basic_json
#endif #endif
} }
iterator set_parents(iterator it, typename iterator::difference_type count)
{
#if JSON_DIAGNOSTICS
for (typename iterator::difference_type i = 0; i < count; ++i)
{
(it + i)->m_parent = this;
}
#else
static_cast<void>(count);
#endif
return it;
}
reference set_parent(reference j) reference set_parent(reference j)
{ {
#if JSON_DIAGNOSTICS #if JSON_DIAGNOSTICS
@ -3601,7 +3614,7 @@ class basic_json
// set parent for values added above // set parent for values added above
for (auto i = previous_size; i <= idx; ++i) for (auto i = previous_size; i <= idx; ++i)
{ {
m_value.array->operator[](i).m_parent = this; set_parent(m_value.array->operator[](i));
} }
#endif #endif
} }
@ -5636,13 +5649,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, val), static_cast<typename iterator::difference_type>(1));
iterator result = insert_iterator(pos, val);
result->m_parent = this;
return result;
#else
return insert_iterator(pos, val);
#endif
} }
JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this))); JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this)));
@ -5693,16 +5700,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, cnt, val), static_cast<typename iterator::difference_type>(cnt));
iterator result = insert_iterator(pos, cnt, val);
for (size_type i = 0; i < cnt; ++i)
{
(result + static_cast<typename iterator::difference_type>(i))->m_parent = this;
}
return result;
#else
return insert_iterator(pos, cnt, val);
#endif
} }
JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this))); JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this)));
@ -5764,16 +5762,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator), std::distance(first, last));
iterator result = insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator);
for (typename iterator::difference_type i = 0; i < std::distance(first, last); ++i)
{
(result + i)->m_parent = this;
}
return result;
#else
return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator);
#endif
} }
/*! /*!
@ -5815,17 +5804,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, ilist.begin(), ilist.end()), static_cast<typename iterator::difference_type>(ilist.size()));
const auto size = ilist.size();
iterator result = insert_iterator(pos, ilist.begin(), ilist.end());
for (std::size_t i = 0; i < size; ++i)
{
(result + static_cast<typename iterator::difference_type>(i))->m_parent = this;
}
return result;
#else
return insert_iterator(pos, ilist.begin(), ilist.end());
#endif
} }
/*! /*!

57
single_include/nlohmann/json.hpp
View File

@ -18042,6 +18042,19 @@ class basic_json
#endif #endif
} }
iterator set_parents(iterator it, typename iterator::difference_type count)
{
#if JSON_DIAGNOSTICS
for (typename iterator::difference_type i = 0; i < count; ++i)
{
(it + i)->m_parent = this;
}
#else
static_cast<void>(count);
#endif
return it;
}
reference set_parent(reference j) reference set_parent(reference j)
{ {
#if JSON_DIAGNOSTICS #if JSON_DIAGNOSTICS
@ -20356,7 +20369,7 @@ class basic_json
// set parent for values added above // set parent for values added above
for (auto i = previous_size; i <= idx; ++i) for (auto i = previous_size; i <= idx; ++i)
{ {
m_value.array->operator[](i).m_parent = this; set_parent(m_value.array->operator[](i));
} }
#endif #endif
} }
@ -22391,13 +22404,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, val), static_cast<typename iterator::difference_type>(1));
iterator result = insert_iterator(pos, val);
result->m_parent = this;
return result;
#else
return insert_iterator(pos, val);
#endif
} }
JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this))); JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this)));
@ -22448,16 +22455,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, cnt, val), static_cast<typename iterator::difference_type>(cnt));
iterator result = insert_iterator(pos, cnt, val);
for (size_type i = 0; i < cnt; ++i)
{
(result + static_cast<typename iterator::difference_type>(i))->m_parent = this;
}
return result;
#else
return insert_iterator(pos, cnt, val);
#endif
} }
JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this))); JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()), diagnostics_t(*this)));
@ -22519,16 +22517,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator), std::distance(first, last));
iterator result = insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator);
for (typename iterator::difference_type i = 0; i < std::distance(first, last); ++i)
{
(result + i)->m_parent = this;
}
return result;
#else
return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator);
#endif
} }
/*! /*!
@ -22570,17 +22559,7 @@ class basic_json
} }
// insert to array and return iterator // insert to array and return iterator
#if JSON_DIAGNOSTICS return set_parents(insert_iterator(pos, ilist.begin(), ilist.end()), static_cast<typename iterator::difference_type>(ilist.size()));
const auto size = ilist.size();
iterator result = insert_iterator(pos, ilist.begin(), ilist.end());
for (std::size_t i = 0; i < size; ++i)
{
(result + static_cast<typename iterator::difference_type>(i))->m_parent = this;
}
return result;
#else
return insert_iterator(pos, ilist.begin(), ilist.end());
#endif
} }
/*! /*!