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json
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⚗️ try minimal example

pull/2898/head
Niels Lohmann 2021-08-10 08:22:21 +02:00
parent 36394cc262
commit 0d530c9de8
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1 changed files with 11 additions and 38 deletions
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49
test/src/unit-disabled_exceptions.cpp
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@ -65,18 +65,6 @@ namespace nlohmann
namespace detail2
{
struct position_t
{
std::size_t chars_read_total = 0;
std::size_t chars_read_current_line = 0;
std::size_t lines_read = 0;
constexpr operator size_t() const
{
return chars_read_total;
}
};
class exception : public std::exception
{
public:
@ -85,14 +73,12 @@ class exception : public std::exception
return m.what();
}
const int id; // NOLINT(cppcoreguidelines-non-private-member-variables-in-classes)
protected:
exception(int id_, const char* what_arg) : id(id_), m(what_arg) {}
exception(const char* what_arg) : m(what_arg) {}
static std::string name(const std::string& ename, int id_)
static std::string name(const std::string& ename)
{
return "[json.exception." + ename + "." + std::to_string(id_) + "] ";
return "[json.exception." + ename + "] ";
}
private:
@ -102,24 +88,16 @@ class exception : public std::exception
class parse_error : public exception
{
public:
static parse_error create(int id_, const position_t& pos, const std::string& what_arg)
static parse_error create(const std::string& what_arg)
{
std::string w = exception::name("parse_error", id_) + "parse error" +
position_string(pos) + ": " + what_arg;
return parse_error(id_, pos.chars_read_total, w.c_str());
std::string w = exception::name("parse_error") + what_arg;
return parse_error(w.c_str());
}
const std::size_t byte;
private:
parse_error(int id_, std::size_t byte_, const char* what_arg)
: exception(id_, what_arg), byte(byte_) {}
static std::string position_string(const position_t& pos)
{
return " at line " + std::to_string(pos.lines_read + 1) +
", column " + std::to_string(pos.chars_read_current_line);
}
parse_error(const char* what_arg)
: exception(what_arg)
{}
};
} // namespace detail2
@ -140,12 +118,7 @@ TEST_CASE("Tests with disabled exceptions")
SECTION("test")
{
nlohmann::detail2::position_t pos;
pos.chars_read_total = 100;
pos.chars_read_current_line = 50;
pos.lines_read = 1;
auto error = nlohmann::detail2::parse_error::create(100, pos, "foo");
CHECK(std::string(error.what()) == "[json.exception.parse_error.100] parse error at line 2, column 50: foo");
auto error = nlohmann::detail2::parse_error::create("foo");
CHECK(std::string(error.what()) == "[json.exception.parse_error] foo");
}
}