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json
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🔨 added user-defined exception 501

pull/508/head
Niels Lohmann 2017-03-08 19:16:53 +01:00
parent c8a6ce79ea
commit 9374eaa013
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GPG Key ID: 7F3CEA63AE251B69
3 changed files with 56 additions and 28 deletions
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38
src/json.hpp
View File

@ -52,7 +52,6 @@ SOFTWARE.
#include <memory> // addressof, allocator, allocator_traits, unique_ptr
#include <numeric> // accumulate
#include <sstream> // stringstream
#include <stdexcept> // domain_error, invalid_argument, out_of_range
#include <string> // getline, stoi, string, to_string
#include <type_traits> // add_pointer, conditional, decay, enable_if, false_type, integral_constant, is_arithmetic, is_base_of, is_const, is_constructible, is_convertible, is_default_constructible, is_enum, is_floating_point, is_integral, is_nothrow_move_assignable, is_nothrow_move_constructible, is_pointer, is_reference, is_same, is_scalar, is_signed, remove_const, remove_cv, remove_pointer, remove_reference, true_type, underlying_type
#include <utility> // declval, forward, make_pair, move, pair, swap
@ -295,6 +294,26 @@ class out_of_range : public exception
{}
};
/*!
@brief exception indicating other errors
Exceptions have ids 5xx.
name / id | example massage | description
------------------------------ | --------------- | -------------------------
json.exception.[other_error](@ref other_error).501 | "unsuccessful" | A JSON Patch operation 'test' failed.
@since version 3.0.0
*/
class other_error : public exception
{
public:
other_error(int id_, const std::string& what_arg_)
: exception(id_, "other_error", what_arg_)
{}
};
///////////////////////////
// JSON type enumeration //
@ -1240,12 +1259,6 @@ class basic_json
/// Classes to implement user-defined exceptions.
/// @{
/*
name / id | example massage | description
------------------------------ | --------------- | -------------------------
json.exception.other.500 | "unsuccessful" | A JSON Patch operation 'test' failed.
*/
/// @copydoc detail::parse_error
using parse_error = detail::parse_error;
/// @copydoc detail::invalid_iterator
@ -1254,6 +1267,8 @@ class basic_json
using type_error = detail::type_error;
/// @copydoc detail::out_of_range
using out_of_range = detail::out_of_range;
/// @copydoc detail::other_error
using other_error = detail::other_error;
/// @}
@ -1948,7 +1963,7 @@ class basic_json
{
if (t == value_t::null)
{
JSON_THROW(std::domain_error("961c151d2e87f2686a955a9be24d316f1362bf21 2.1.1")); // LCOV_EXCL_LINE
JSON_THROW(other_error(500, "961c151d2e87f2686a955a9be24d316f1362bf21 2.1.1")); // LCOV_EXCL_LINE
}
break;
}
@ -7374,11 +7389,8 @@ class basic_json
template<typename T>
static T get_from_vector(const std::vector<uint8_t>& vec, const size_t current_index)
{
// check if we can read sizeof(T) bytes starting the next index
check_length(vec.size(), sizeof(T), current_index + 1);
//if (current_index + sizeof(T) + 1 > vec.size())
//{
// JSON_THROW(parse_error(110, current_index + 1, "cannot read " + std::to_string(sizeof(T)) + " bytes from vector"));
//}
T result;
auto* ptr = reinterpret_cast<uint8_t*>(&result);
@ -13062,7 +13074,7 @@ basic_json_parser_74:
// throw an exception if test fails
if (not success)
{
JSON_THROW(std::domain_error("unsuccessful: " + val.dump()));
JSON_THROW(other_error(501, "unsuccessful: " + val.dump()));
}
break;

34
src/json.hpp.re2c
View File

@ -52,7 +52,6 @@ SOFTWARE.
#include <memory> // addressof, allocator, allocator_traits, unique_ptr
#include <numeric> // accumulate
#include <sstream> // stringstream
#include <stdexcept> // domain_error, invalid_argument, out_of_range
#include <string> // getline, stoi, string, to_string
#include <type_traits> // add_pointer, conditional, decay, enable_if, false_type, integral_constant, is_arithmetic, is_base_of, is_const, is_constructible, is_convertible, is_default_constructible, is_enum, is_floating_point, is_integral, is_nothrow_move_assignable, is_nothrow_move_constructible, is_pointer, is_reference, is_same, is_scalar, is_signed, remove_const, remove_cv, remove_pointer, remove_reference, true_type, underlying_type
#include <utility> // declval, forward, make_pair, move, pair, swap
@ -295,6 +294,27 @@ class out_of_range : public exception
{}
};
/*!
@brief exception indicating other errors
Exceptions have ids 5xx.
name / id | example massage | description
------------------------------ | --------------- | -------------------------
json.exception.[other_error](@ref other_error).501 | "unsuccessful: {"op":"test","path":"/baz",
"value":"bar"}" | A JSON Patch operation 'test' failed.
@since version 3.0.0
*/
class other_error : public exception
{
public:
other_error(int id_, const std::string& what_arg_)
: exception(id_, "other_error", what_arg_)
{}
};
///////////////////////////
// JSON type enumeration //
@ -1240,12 +1260,6 @@ class basic_json
/// Classes to implement user-defined exceptions.
/// @{
/*
name / id | example massage | description
------------------------------ | --------------- | -------------------------
json.exception.other.500 | "unsuccessful" | A JSON Patch operation 'test' failed.
*/
/// @copydoc detail::parse_error
using parse_error = detail::parse_error;
/// @copydoc detail::invalid_iterator
@ -1254,6 +1268,8 @@ class basic_json
using type_error = detail::type_error;
/// @copydoc detail::out_of_range
using out_of_range = detail::out_of_range;
/// @copydoc detail::other_error
using other_error = detail::other_error;
/// @}
@ -1948,7 +1964,7 @@ class basic_json
{
if (t == value_t::null)
{
JSON_THROW(std::domain_error("961c151d2e87f2686a955a9be24d316f1362bf21 2.1.1")); // LCOV_EXCL_LINE
JSON_THROW(other_error(500, "961c151d2e87f2686a955a9be24d316f1362bf21 2.1.1")); // LCOV_EXCL_LINE
}
break;
}
@ -12092,7 +12108,7 @@ class basic_json
// throw an exception if test fails
if (not success)
{
JSON_THROW(std::domain_error("unsuccessful: " + val.dump()));
JSON_THROW(other_error(501, "unsuccessful: " + val.dump()));
}
break;

12
test/src/unit-json_patch.cpp
View File

@ -337,8 +337,8 @@ TEST_CASE("JSON patch")
)"_json;
// check that evaluation throws
CHECK_THROWS_AS(doc.patch(patch), std::domain_error);
CHECK_THROWS_WITH(doc.patch(patch), "unsuccessful: " + patch[0].dump());
CHECK_THROWS_AS(doc.patch(patch), json::other_error);
CHECK_THROWS_WITH(doc.patch(patch), "[json.exception.other_error.501] unsuccessful: " + patch[0].dump());
}
SECTION("A.10. Adding a Nested Member Object")
@ -478,8 +478,8 @@ TEST_CASE("JSON patch")
)"_json;
// check that evaluation throws
CHECK_THROWS_AS(doc.patch(patch), std::domain_error);
CHECK_THROWS_WITH(doc.patch(patch), "unsuccessful: " + patch[0].dump());
CHECK_THROWS_AS(doc.patch(patch), json::other_error);
CHECK_THROWS_WITH(doc.patch(patch), "[json.exception.other_error.501] unsuccessful: " + patch[0].dump());
}
SECTION("A.16. Adding an Array Value")
@ -1177,8 +1177,8 @@ TEST_CASE("JSON patch")
)"_json;
// the test will fail
CHECK_THROWS_AS(doc.patch(patch), std::domain_error);
CHECK_THROWS_WITH(doc.patch(patch), "unsuccessful: " + patch[0].dump());
CHECK_THROWS_AS(doc.patch(patch), json::other_error);
CHECK_THROWS_WITH(doc.patch(patch), "[json.exception.other_error.501] unsuccessful: " + patch[0].dump());
}
}
}