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json
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🔨 added user-defined exception 110

pull/508/head
Niels Lohmann 2017-03-06 21:00:13 +01:00
parent a186106bde
commit 21ec0e7806
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GPG Key ID: 7F3CEA63AE251B69
4 changed files with 64 additions and 23 deletions
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2
Makefile
View File

@ -49,6 +49,7 @@ doctest:
# -Wno-documentation-unknown-command: code uses user-defined commands like @complexity
# -Wno-exit-time-destructors: warning in Catch code
# -Wno-keyword-macro: unit-tests use "#define private public"
# -Wno-weak-vtables: exception class is defined inline, but has virtual method
# -Wno-range-loop-analysis: iterator_wrapper tests tests "for(const auto i...)"
pedantic:
$(MAKE) json_unit CXXFLAGS="\
@ -58,6 +59,7 @@ pedantic:
-Wno-documentation-unknown-command \
-Wno-exit-time-destructors \
-Wno-keyword-macro \
-Wno-weak-vtables \
-Wno-range-loop-analysis"

12
src/json.hpp
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@ -156,7 +156,8 @@ file.
@note For an input with n bytes, 1 is the index of the first character
and n+1 is the index of the terminating null byte or the end of
file.
file. This also holds true when reading a byte vector (CBOR or
MessagePack).
Exceptions have ids 1xx.
@ -171,6 +172,8 @@ json.exception.[parse_error](@ref parse_error).106 | "parse error: array index '
json.exception.[parse_error](@ref parse_error).107 | "parse error: JSON pointer must be empty or begin with '/' - was: 'foo'" | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character.
json.exception.[parse_error](@ref parse_error).108 | "parse error: escape character '~' must be followed with '0' or '1'" | In a JSON Pointer, only `~0` and `~1` are valid escape sequences.
json.exception.[parse_error](@ref parse_error).109 | "parse error: array index 'one' is not a number" | A JSON Pointer array index must be a number.
json.exception.[parse_error](@ref parse_error).110 | "parse error at 1: cannot read 2 bytes from vector" | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read.
@since version 3.0.0
*/
@ -198,7 +201,8 @@ class parse_error : public exception
@note For an input with n bytes, 1 is the index of the first character
and n+1 is the index of the terminating null byte or the end of
file.
file. This also holds true when reading a byte vector (CBOR or
MessagePack).
*/
const size_t byte;
};
@ -7344,7 +7348,7 @@ class basic_json
@tparam T the integral return type
@throw std::out_of_range if there are less than sizeof(T)+1 bytes in the
@throw parse_error.110 if there are less than sizeof(T)+1 bytes in the
vector @a vec to read
In the for loop, the bytes from the vector are copied in reverse order into
@ -7371,7 +7375,7 @@ class basic_json
{
if (current_index + sizeof(T) + 1 > vec.size())
{
JSON_THROW(std::out_of_range("cannot read " + std::to_string(sizeof(T)) + " bytes from vector"));
JSON_THROW(parse_error(110, current_index + 1, "cannot read " + std::to_string(sizeof(T)) + " bytes from vector"));
}
T result;

12
src/json.hpp.re2c
View File

@ -156,7 +156,8 @@ file.
@note For an input with n bytes, 1 is the index of the first character
and n+1 is the index of the terminating null byte or the end of
file.
file. This also holds true when reading a byte vector (CBOR or
MessagePack).
Exceptions have ids 1xx.
@ -171,6 +172,8 @@ json.exception.[parse_error](@ref parse_error).106 | "parse error: array index '
json.exception.[parse_error](@ref parse_error).107 | "parse error: JSON pointer must be empty or begin with '/' - was: 'foo'" | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character.
json.exception.[parse_error](@ref parse_error).108 | "parse error: escape character '~' must be followed with '0' or '1'" | In a JSON Pointer, only `~0` and `~1` are valid escape sequences.
json.exception.[parse_error](@ref parse_error).109 | "parse error: array index 'one' is not a number" | A JSON Pointer array index must be a number.
json.exception.[parse_error](@ref parse_error).110 | "parse error at 1: cannot read 2 bytes from vector" | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read.
@since version 3.0.0
*/
@ -198,7 +201,8 @@ class parse_error : public exception
@note For an input with n bytes, 1 is the index of the first character
and n+1 is the index of the terminating null byte or the end of
file.
file. This also holds true when reading a byte vector (CBOR or
MessagePack).
*/
const size_t byte;
};
@ -7344,7 +7348,7 @@ class basic_json
@tparam T the integral return type
@throw std::out_of_range if there are less than sizeof(T)+1 bytes in the
@throw parse_error.110 if there are less than sizeof(T)+1 bytes in the
vector @a vec to read
In the for loop, the bytes from the vector are copied in reverse order into
@ -7371,7 +7375,7 @@ class basic_json
{
if (current_index + sizeof(T) + 1 > vec.size())
{
JSON_THROW(std::out_of_range("cannot read " + std::to_string(sizeof(T)) + " bytes from vector"));
JSON_THROW(parse_error(110, current_index + 1, "cannot read " + std::to_string(sizeof(T)) + " bytes from vector"));
}
T result;

61
test/src/unit-cbor.cpp
View File

@ -1145,21 +1145,52 @@ TEST_CASE("CBOR")
{
SECTION("too short byte vector")
{
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x18})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x19})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x19, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), std::out_of_range);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x18})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x19})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x19, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x18})),
"[json.exception.parse_error.110] parse error at 1: cannot read 1 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x19})),
"[json.exception.parse_error.110] parse error at 1: cannot read 2 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x19, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 2 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1a})),
"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1a, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
}
}
}