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🚧 implement more parent relations

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This commit is contained in:
Niels Lohmann 2021-01-02 21:36:11 +01:00
parent 7323a8eb4e
commit ec0b1798bc
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GPG Key ID: 7F3CEA63AE251B69
6 changed files with 219 additions and 17 deletions
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4
CMakeLists.txt
View File

@ -64,6 +64,10 @@ if (NOT JSON_ImplicitConversions)
message(STATUS "Implicit conversions are disabled")
endif()
if (JSON_Diagnostics)
message(STATUS "Diagnostics enabled")
endif()
##
## TARGET
## create target and add include path

14
include/nlohmann/detail/input/json_sax.hpp
View File

@ -298,12 +298,18 @@ class json_sax_dom_parser
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->emplace_back(std::forward<Value>(v));
#if JSON_DIAGNOSTICS
ref_stack.back()->m_value.array->back().m_parent = ref_stack.back();
#endif
return &(ref_stack.back()->m_value.array->back());
}
JSON_ASSERT(ref_stack.back()->is_object());
JSON_ASSERT(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
#if JSON_DIAGNOSTICS
object_element->m_parent = ref_stack.back();
#endif
return object_element;
}
@ -574,7 +580,10 @@ class json_sax_dom_callback_parser
// array
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->push_back(std::move(value));
ref_stack.back()->m_value.array->emplace_back(std::move(value));
#if JSON_DIAGNOSTICS
ref_stack.back()->m_value.array->back().m_parent = ref_stack.back();
#endif
return {true, &(ref_stack.back()->m_value.array->back())};
}
@ -592,6 +601,9 @@ class json_sax_dom_callback_parser
JSON_ASSERT(object_element);
*object_element = std::move(value);
#if JSON_DIAGNOSTICS
object_element->m_parent = ref_stack.back();
#endif
return {true, object_element};
}

86
include/nlohmann/json.hpp
View File

@ -1872,6 +1872,12 @@ class basic_json
: m_type(value_t::array)
{
m_value.array = create<array_t>(cnt, val);
#if JSON_DIAGNOSTICS
for (auto& entry : *m_value.array)
{
entry.m_parent = this;
}
#endif
assert_invariant();
}
@ -2004,6 +2010,12 @@ class basic_json
{
m_value.object = create<object_t>(first.m_it.object_iterator,
last.m_it.object_iterator);
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.object)
{
element.second.m_parent = this;
}
#endif
break;
}
@ -2011,6 +2023,12 @@ class basic_json
{
m_value.array = create<array_t>(first.m_it.array_iterator,
last.m_it.array_iterator);
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.array)
{
element.m_parent = this;
}
#endif
break;
}
@ -2074,12 +2092,24 @@ class basic_json
case value_t::object:
{
m_value = *other.m_value.object;
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.object)
{
element.second.m_parent = this;
}
#endif
break;
}
case value_t::array:
{
m_value = *other.m_value.array;
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.array)
{
element.m_parent = this;
}
#endif
break;
}
@ -2205,6 +2235,9 @@ class basic_json
using std::swap;
swap(m_type, other.m_type);
swap(m_value, other.m_value);
#if JSON_DIAGNOSTICS
m_parent = other.m_parent;
#endif
assert_invariant();
return *this;
@ -2229,6 +2262,9 @@ class basic_json
{
assert_invariant();
m_value.destroy(m_type);
#if JSON_DIAGNOSTICS
m_parent = nullptr;
#endif
}
/// @}
@ -2751,7 +2787,7 @@ class basic_json
return "";
}
return "(" + std::accumulate(tokens.begin(), tokens.end(), std::string{},
return "(" + std::accumulate(tokens.rbegin(), tokens.rend(), std::string{},
[](const std::string & a, const std::string & b)
{
return a + "/" + b;
@ -3604,7 +3640,10 @@ class basic_json
idx - m_value.array->size() + 1,
basic_json());
#if JSON_DIAGNOSTICS
m_value.array->back().m_parent = this;
for (std::size_t i = idx + 1; i < m_value.array->size(); ++i)
{
m_value.array->operator[](i).m_parent = this;
}
#endif
}
@ -5609,6 +5648,11 @@ class basic_json
// add element to array (perfect forwarding)
auto res = m_value.object->emplace(std::forward<Args>(args)...);
#if JSON_DIAGNOSTICS
res.first->second.m_parent = this;
#endif
// create result iterator and set iterator to the result of emplace
auto it = begin();
it.m_it.object_iterator = res.first;
@ -5671,7 +5715,13 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
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, diagnostics() + "cannot use insert() with " + std::string(type_name())));
@ -5722,7 +5772,16 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
iterator result = insert_iterator(pos, cnt, val);
for (size_type i = 0; i < cnt; ++i)
{
(result + i)->m_parent = this;
}
return result;
#else
return insert_iterator(pos, cnt, val);
#endif
}
JSON_THROW(type_error::create(309, diagnostics() + "cannot use insert() with " + std::string(type_name())));
@ -5784,7 +5843,16 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
iterator result = insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator);
for (std::size_t 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
}
/*!
@ -5826,7 +5894,17 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
const auto size = ilist.size();
iterator result = insert_iterator(pos, ilist.begin(), ilist.end());
for (std::size_t i = 0; i < size; ++i)
{
(result + i)->m_parent = this;
}
return result;
#else
return insert_iterator(pos, ilist.begin(), ilist.end());
#endif
}
/*!
@ -8387,7 +8465,7 @@ class basic_json
if (JSON_HEDLEY_UNLIKELY(idx > parent.size()))
{
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, diagnostics() + "array index " + std::to_string(idx) + " is out of range"));
JSON_THROW(out_of_range::create(401, parent.diagnostics() + "array index " + std::to_string(idx) + " is out of range"));
}
// default case: insert add offset
@ -8548,7 +8626,7 @@ class basic_json
// throw an exception if test fails
if (JSON_HEDLEY_UNLIKELY(!success))
{
JSON_THROW(other_error::create(501, diagnostics() + "unsuccessful: " + val.dump()));
JSON_THROW(other_error::create(501, val.diagnostics() + "unsuccessful: " + val.dump()));
}
break;

100
single_include/nlohmann/json.hpp
View File

@ -5590,12 +5590,18 @@ class json_sax_dom_parser
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->emplace_back(std::forward<Value>(v));
#if JSON_DIAGNOSTICS
ref_stack.back()->m_value.array->back().m_parent = ref_stack.back();
#endif
return &(ref_stack.back()->m_value.array->back());
}
JSON_ASSERT(ref_stack.back()->is_object());
JSON_ASSERT(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
#if JSON_DIAGNOSTICS
object_element->m_parent = ref_stack.back();
#endif
return object_element;
}
@ -5866,7 +5872,10 @@ class json_sax_dom_callback_parser
// array
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->push_back(std::move(value));
ref_stack.back()->m_value.array->emplace_back(std::move(value));
#if JSON_DIAGNOSTICS
ref_stack.back()->m_value.array->back().m_parent = ref_stack.back();
#endif
return {true, &(ref_stack.back()->m_value.array->back())};
}
@ -5884,6 +5893,9 @@ class json_sax_dom_callback_parser
JSON_ASSERT(object_element);
*object_element = std::move(value);
#if JSON_DIAGNOSTICS
object_element->m_parent = ref_stack.back();
#endif
return {true, object_element};
}
@ -18496,6 +18508,12 @@ class basic_json
: m_type(value_t::array)
{
m_value.array = create<array_t>(cnt, val);
#if JSON_DIAGNOSTICS
for (auto& entry : *m_value.array)
{
entry.m_parent = this;
}
#endif
assert_invariant();
}
@ -18628,6 +18646,12 @@ class basic_json
{
m_value.object = create<object_t>(first.m_it.object_iterator,
last.m_it.object_iterator);
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.object)
{
element.second.m_parent = this;
}
#endif
break;
}
@ -18635,6 +18659,12 @@ class basic_json
{
m_value.array = create<array_t>(first.m_it.array_iterator,
last.m_it.array_iterator);
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.array)
{
element.m_parent = this;
}
#endif
break;
}
@ -18698,12 +18728,24 @@ class basic_json
case value_t::object:
{
m_value = *other.m_value.object;
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.object)
{
element.second.m_parent = this;
}
#endif
break;
}
case value_t::array:
{
m_value = *other.m_value.array;
#if JSON_DIAGNOSTICS
for (auto& element : *m_value.array)
{
element.m_parent = this;
}
#endif
break;
}
@ -18829,6 +18871,9 @@ class basic_json
using std::swap;
swap(m_type, other.m_type);
swap(m_value, other.m_value);
#if JSON_DIAGNOSTICS
m_parent = other.m_parent;
#endif
assert_invariant();
return *this;
@ -18853,6 +18898,9 @@ class basic_json
{
assert_invariant();
m_value.destroy(m_type);
#if JSON_DIAGNOSTICS
m_parent = nullptr;
#endif
}
/// @}
@ -19375,7 +19423,7 @@ class basic_json
return "";
}
return "(" + std::accumulate(tokens.begin(), tokens.end(), std::string{},
return "(" + std::accumulate(tokens.rbegin(), tokens.rend(), std::string{},
[](const std::string & a, const std::string & b)
{
return a + "/" + b;
@ -20228,7 +20276,10 @@ class basic_json
idx - m_value.array->size() + 1,
basic_json());
#if JSON_DIAGNOSTICS
m_value.array->back().m_parent = this;
for (std::size_t i = idx + 1; i < m_value.array->size(); ++i)
{
m_value.array->operator[](i).m_parent = this;
}
#endif
}
@ -22233,6 +22284,11 @@ class basic_json
// add element to array (perfect forwarding)
auto res = m_value.object->emplace(std::forward<Args>(args)...);
#if JSON_DIAGNOSTICS
res.first->second.m_parent = this;
#endif
// create result iterator and set iterator to the result of emplace
auto it = begin();
it.m_it.object_iterator = res.first;
@ -22295,7 +22351,13 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
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, diagnostics() + "cannot use insert() with " + std::string(type_name())));
@ -22346,7 +22408,16 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
iterator result = insert_iterator(pos, cnt, val);
for (size_type i = 0; i < cnt; ++i)
{
(result + i)->m_parent = this;
}
return result;
#else
return insert_iterator(pos, cnt, val);
#endif
}
JSON_THROW(type_error::create(309, diagnostics() + "cannot use insert() with " + std::string(type_name())));
@ -22408,7 +22479,16 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
iterator result = insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator);
for (std::size_t 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
}
/*!
@ -22450,7 +22530,17 @@ class basic_json
}
// insert to array and return iterator
#if JSON_DIAGNOSTICS
const auto size = ilist.size();
iterator result = insert_iterator(pos, ilist.begin(), ilist.end());
for (std::size_t i = 0; i < size; ++i)
{
(result + i)->m_parent = this;
}
return result;
#else
return insert_iterator(pos, ilist.begin(), ilist.end());
#endif
}
/*!
@ -25011,7 +25101,7 @@ class basic_json
if (JSON_HEDLEY_UNLIKELY(idx > parent.size()))
{
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, diagnostics() + "array index " + std::to_string(idx) + " is out of range"));
JSON_THROW(out_of_range::create(401, parent.diagnostics() + "array index " + std::to_string(idx) + " is out of range"));
}
// default case: insert add offset
@ -25172,7 +25262,7 @@ class basic_json
// throw an exception if test fails
if (JSON_HEDLEY_UNLIKELY(!success))
{
JSON_THROW(other_error::create(501, diagnostics() + "unsuccessful: " + val.dump()));
JSON_THROW(other_error::create(501, val.diagnostics() + "unsuccessful: " + val.dump()));
}
break;

18
test/src/unit-iterators2.cpp
View File

@ -271,13 +271,16 @@ TEST_CASE("iterators 2")
{
CHECK_THROWS_AS(j.begin() == k.begin(), json::invalid_iterator&);
CHECK_THROWS_AS(j.cbegin() == k.cbegin(), json::invalid_iterator&);
CHECK_THROWS_WITH(j.begin() == k.begin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.cbegin() == k.cbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_AS(j.begin() < k.begin(), json::invalid_iterator&);
CHECK_THROWS_AS(j.cbegin() < k.cbegin(), json::invalid_iterator&);
#if JSON_DIAGNOSTICS
// the output differs in each loop, so we cannot fix a string for the expected exception
#else
CHECK_THROWS_WITH(j.begin() == k.begin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.cbegin() == k.cbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.begin() < k.begin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.cbegin() < k.cbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
#endif
}
}
}
@ -750,13 +753,16 @@ TEST_CASE("iterators 2")
{
CHECK_THROWS_AS(j.rbegin() == k.rbegin(), json::invalid_iterator&);
CHECK_THROWS_AS(j.crbegin() == k.crbegin(), json::invalid_iterator&);
CHECK_THROWS_WITH(j.rbegin() == k.rbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.crbegin() == k.crbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_AS(j.rbegin() < k.rbegin(), json::invalid_iterator&);
CHECK_THROWS_AS(j.crbegin() < k.crbegin(), json::invalid_iterator&);
#if JSON_DIAGNOSTICS
// the output differs in each loop, so we cannot fix a string for the expected exception
#else
CHECK_THROWS_WITH(j.rbegin() == k.rbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.crbegin() == k.crbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.rbegin() < k.rbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
CHECK_THROWS_WITH(j.crbegin() < k.crbegin(), "[json.exception.invalid_iterator.212] cannot compare iterators of different containers");
#endif
}
}
}

14
test/src/unit-json_patch.cpp
View File

@ -343,7 +343,11 @@ TEST_CASE("JSON patch")
// check that evaluation throws
CHECK_THROWS_AS(doc.patch(patch), json::other_error&);
#if JSON_DIAGNOSTICS
CHECK_THROWS_WITH_STD_STR(doc.patch(patch), "[json.exception.other_error.501] (/0) unsuccessful: " + patch[0].dump());
#else
CHECK_THROWS_WITH_STD_STR(doc.patch(patch), "[json.exception.other_error.501] unsuccessful: " + patch[0].dump());
#endif
}
SECTION("A.10. Adding a Nested Member Object")
@ -484,7 +488,11 @@ TEST_CASE("JSON patch")
// check that evaluation throws
CHECK_THROWS_AS(doc.patch(patch), json::other_error&);
#if JSON_DIAGNOSTICS
CHECK_THROWS_WITH_STD_STR(doc.patch(patch), "[json.exception.other_error.501] (/0) unsuccessful: " + patch[0].dump());
#else
CHECK_THROWS_WITH_STD_STR(doc.patch(patch), "[json.exception.other_error.501] unsuccessful: " + patch[0].dump());
#endif
}
SECTION("A.16. Adding an Array Value")
@ -1183,7 +1191,11 @@ TEST_CASE("JSON patch")
// the test will fail
CHECK_THROWS_AS(doc.patch(patch), json::other_error&);
#if JSON_DIAGNOSTICS
CHECK_THROWS_WITH_STD_STR(doc.patch(patch), "[json.exception.other_error.501] (/0) unsuccessful: " + patch[0].dump());
#else
CHECK_THROWS_WITH_STD_STR(doc.patch(patch), "[json.exception.other_error.501] unsuccessful: " + patch[0].dump());
#endif
}
}
}
@ -1268,7 +1280,7 @@ TEST_CASE("JSON patch")
std::ifstream f(filename);
json suite = json::parse(f);
for (const auto& test : suite)
for (const auto test : suite)
{
INFO_WITH_TEMP(test.value("comment", ""));