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more documentation

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In this commit, also the semantics for values skipped via the parser
callback has changed. Now, the top-level value is returned as “null”
instead of “discarded”.
This commit is contained in:
Niels
2015-06-24 12:15:51 +02:00
parent 48545f5b18
commit 457572184c
25 changed files with 856 additions and 60 deletions
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20
test/unit.cpp
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@ -7742,14 +7742,16 @@ TEST_CASE("parser class")
return false;
});
CHECK (j_object.is_discarded());
// the top-level object will be discarded, leaving a null
CHECK (j_object.is_null());
json j_array = json::parse(s_array, [](int, json::parse_event_t, const json&)
{
return false;
});
CHECK (j_array.is_discarded());
// the top-level array will be discarded, leaving a null
CHECK (j_array.is_null());
}
SECTION("filter specific element")
@ -7791,8 +7793,10 @@ TEST_CASE("parser class")
{
json j_object = json::parse(s_object, [](int, json::parse_event_t e, const json&)
{
if (e == json::parse_event_t::object_end)
static bool first = true;
if (e == json::parse_event_t::object_end and first)
{
first = false;
return false;
}
else
@ -7801,14 +7805,17 @@ TEST_CASE("parser class")
}
});
CHECK (j_object.is_discarded());
// the first completed object will be discarded
CHECK (j_object == json({{"foo", 2}}));
}
{
json j_array = json::parse(s_array, [](int, json::parse_event_t e, const json&)
{
if (e == json::parse_event_t::array_end)
static bool first = true;
if (e == json::parse_event_t::array_end and first)
{
first = false;
return false;
}
else
@ -7817,7 +7824,8 @@ TEST_CASE("parser class")
}
});
CHECK (j_array.is_discarded());
// the first completed array will be discarded
CHECK (j_array == json({1, 2, 4, 5}));
}
}
}