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提交 330ffd95 编写于 作者: N Niels
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removed reverse_iterators and fixed some bugs

上级 4c59ccd1
隐藏空白更改
内联 并排
Showing with 471 addition and 102 deletion
src/json.hpp
浏览文件 @ 330ffd95
......@@ -84,10 +84,6 @@ class basic_json
using iterator = basic_json::iterator;
/// a const iterator for a basic_json container
using const_iterator = basic_json::const_iterator;
// a reverse iterator for a basic_json container
using reverse_iterator = std::reverse_iterator<iterator>;
/// a const reverse iterator for a basic_json container
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
///////////////////////////
......@@ -259,8 +255,6 @@ class basic_json
std::enable_if<
not std::is_same<V, basic_json::iterator>::value and
not std::is_same<V, basic_json::const_iterator>::value and
not std::is_same<V, basic_json::reverse_iterator>::value and
not std::is_same<V, basic_json::const_reverse_iterator>::value and
std::is_constructible<basic_json, typename V::value_type>::value, int>::type
= 0>
inline basic_json(const V& value)
......@@ -732,18 +726,6 @@ class basic_json
return m_value.object->operator[](key);
}
/// access specified element
inline reference operator[](typename object_t::key_type&& key)
{
// at only works for objects
if (m_type != value_t::object)
{
throw std::runtime_error("cannot use [] with " + type_name());
}
return m_value.object->operator[](std::move(key));
}
/// find an element in an object
inline iterator find(typename object_t::key_type key)
......@@ -824,38 +806,6 @@ class basic_json
return result;
}
/// returns a reverse iterator to the end of the container
inline reverse_iterator rbegin() const noexcept
{
reverse_iterator result(this);
result.set_end();
return result;
}
/// returns a reverse iterator to the beginning of the container
inline reverse_iterator rend() const noexcept
{
reverse_iterator result(this);
result.set_begin();
return result;
}
/// returns a const reverse iterator to the end of the container
inline const_reverse_iterator crbegin() const noexcept
{
const_reverse_iterator result(this);
result.set_end();
return result;
}
/// returns a const reverse iterator to the beginning of the container
inline const_reverse_iterator crend() const noexcept
{
const_reverse_iterator result(this);
result.set_begin();
return result;
}
//////////////
// capacity //
......@@ -2326,7 +2276,7 @@ class basic_json
/// post-decrement (it--)
inline const_iterator operator--(int)
{
iterator result = *this;
const_iterator result = *this;
switch (m_object->m_type)
{
......
src/json.hpp.re2c
浏览文件 @ 330ffd95
......@@ -84,10 +84,6 @@ class basic_json
using iterator = basic_json::iterator;
/// a const iterator for a basic_json container
using const_iterator = basic_json::const_iterator;
// a reverse iterator for a basic_json container
using reverse_iterator = std::reverse_iterator<iterator>;
/// a const reverse iterator for a basic_json container
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
///////////////////////////
......@@ -259,8 +255,6 @@ class basic_json
std::enable_if<
not std::is_same<V, basic_json::iterator>::value and
not std::is_same<V, basic_json::const_iterator>::value and
not std::is_same<V, basic_json::reverse_iterator>::value and
not std::is_same<V, basic_json::const_reverse_iterator>::value and
std::is_constructible<basic_json, typename V::value_type>::value, int>::type
= 0>
inline basic_json(const V& value)
......@@ -732,18 +726,6 @@ class basic_json
return m_value.object->operator[](key);
}
/// access specified element
inline reference operator[](typename object_t::key_type&& key)
{
// at only works for objects
if (m_type != value_t::object)
{
throw std::runtime_error("cannot use [] with " + type_name());
}
return m_value.object->operator[](std::move(key));
}
/// find an element in an object
inline iterator find(typename object_t::key_type key)
......@@ -824,38 +806,6 @@ class basic_json
return result;
}
/// returns a reverse iterator to the end of the container
inline reverse_iterator rbegin() const noexcept
{
reverse_iterator result(this);
result.set_end();
return result;
}
/// returns a reverse iterator to the beginning of the container
inline reverse_iterator rend() const noexcept
{
reverse_iterator result(this);
result.set_begin();
return result;
}
/// returns a const reverse iterator to the end of the container
inline const_reverse_iterator crbegin() const noexcept
{
const_reverse_iterator result(this);
result.set_end();
return result;
}
/// returns a const reverse iterator to the beginning of the container
inline const_reverse_iterator crend() const noexcept
{
const_reverse_iterator result(this);
result.set_begin();
return result;
}
//////////////
// capacity //
......@@ -2326,7 +2276,7 @@ class basic_json
/// post-decrement (it--)
inline const_iterator operator--(int)
{
iterator result = *this;
const_iterator result = *this;
switch (m_object->m_type)
{
......
test/unit.cpp
浏览文件 @ 330ffd95
......@@ -2275,3 +2275,472 @@ TEST_CASE("element access")
}
}
}
TEST_CASE("iterators")
{
SECTION("boolean")
{
json j = true;
json j_const(j);
SECTION("json + begin/end")
{
auto it = j.begin();
CHECK(it != j.end());
CHECK(*it == j);
it++;
CHECK(it != j.begin());
CHECK(it == j.end());
it--;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
++it;
CHECK(it != j.begin());
CHECK(it == j.end());
--it;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
}
SECTION("const json + begin/end")
{
auto it = j_const.begin();
CHECK(it != j_const.end());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
it--;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
--it;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
}
SECTION("json + cbegin/cend")
{
auto it = j.cbegin();
CHECK(it != j.cend());
CHECK(*it == j);
it++;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
it--;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
++it;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
--it;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
}
SECTION("const json + cbegin/cend")
{
auto it = j_const.cbegin();
CHECK(it != j_const.cend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
it--;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
--it;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
}
SECTION("string")
{
json j = "hello world";
json j_const(j);
SECTION("json + begin/end")
{
auto it = j.begin();
CHECK(it != j.end());
CHECK(*it == j);
it++;
CHECK(it != j.begin());
CHECK(it == j.end());
it--;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
++it;
CHECK(it != j.begin());
CHECK(it == j.end());
--it;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
}
SECTION("const json + begin/end")
{
auto it = j_const.begin();
CHECK(it != j_const.end());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
it--;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
--it;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
}
SECTION("json + cbegin/cend")
{
auto it = j.cbegin();
CHECK(it != j.cend());
CHECK(*it == j);
it++;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
it--;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
++it;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
--it;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
}
SECTION("const json + cbegin/cend")
{
auto it = j_const.cbegin();
CHECK(it != j_const.cend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
it--;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
--it;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
}
SECTION("array")
{
json j = {1, 2, 3, 4};
json j_const(j);
}
SECTION("object")
{
json j = {{"one", 1}, {"two", 2}, {"three", 3}};
json j_const(j);
}
SECTION("number (integer)")
{
json j = 23;
json j_const(j);
SECTION("json + begin/end")
{
auto it = j.begin();
CHECK(it != j.end());
CHECK(*it == j);
it++;
CHECK(it != j.begin());
CHECK(it == j.end());
it--;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
++it;
CHECK(it != j.begin());
CHECK(it == j.end());
--it;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
}
SECTION("const json + begin/end")
{
auto it = j_const.begin();
CHECK(it != j_const.end());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
it--;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
--it;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
}
SECTION("json + cbegin/cend")
{
auto it = j.cbegin();
CHECK(it != j.cend());
CHECK(*it == j);
it++;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
it--;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
++it;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
--it;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
}
SECTION("const json + cbegin/cend")
{
auto it = j_const.cbegin();
CHECK(it != j_const.cend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
it--;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
--it;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
}
SECTION("number (float)")
{
json j = 23.42;
json j_const(j);
SECTION("json + begin/end")
{
auto it = j.begin();
CHECK(it != j.end());
CHECK(*it == j);
it++;
CHECK(it != j.begin());
CHECK(it == j.end());
it--;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
++it;
CHECK(it != j.begin());
CHECK(it == j.end());
--it;
CHECK(it == j.begin());
CHECK(it != j.end());
CHECK(*it == j);
}
SECTION("const json + begin/end")
{
auto it = j_const.begin();
CHECK(it != j_const.end());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
it--;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.begin());
CHECK(it == j_const.end());
--it;
CHECK(it == j_const.begin());
CHECK(it != j_const.end());
CHECK(*it == j_const);
}
SECTION("json + cbegin/cend")
{
auto it = j.cbegin();
CHECK(it != j.cend());
CHECK(*it == j);
it++;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
it--;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
++it;
CHECK(it != j.cbegin());
CHECK(it == j.cend());
--it;
CHECK(it == j.cbegin());
CHECK(it != j.cend());
CHECK(*it == j);
}
SECTION("const json + cbegin/cend")
{
auto it = j_const.cbegin();
CHECK(it != j_const.cend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
it--;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.cbegin());
CHECK(it == j_const.cend());
--it;
CHECK(it == j_const.cbegin());
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
}
SECTION("null")
{
json j = nullptr;
json j_const(j);
SECTION("json + begin/end")
{
auto it = j.begin();
CHECK(it == j.end());
}
SECTION("const json + begin/end")
{
auto it = j_const.begin();
CHECK(it == j_const.end());
}
SECTION("json + cbegin/cend")
{
auto it = j.cbegin();
CHECK(it == j.cend());
}
SECTION("const json + cbegin/cend")
{
auto it = j_const.cbegin();
CHECK(it == j_const.cend());
}
}
}
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