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util: json: Allow converting a virTristate(Bool|Switch) into JSON

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Add a new modifier letter for virJSONValueObjectAddVArgs which will add
a boolean value with our tristate semantics. The value is omitted when
the _ABSENT value is used.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Peter Krempa 2018-08-16 16:19:22 +02:00
parent 350e238f63
commit 68ecbca5d3
1 changed files with 13 additions and 0 deletions
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13
src/util/virjson.c
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@ -142,6 +142,8 @@ virJSONValueGetType(const virJSONValue *value)
*
* b: boolean value
* B: boolean value, omitted if false
* T: boolean value specified by a virTristate(Bool|Switch) value, omitted on
* the _ABSENT value
*
* d: double precision floating point number
* n: json null value
@ -265,6 +267,7 @@ virJSONValueObjectAddVArgs(virJSONValuePtr obj,
rc = virJSONValueObjectAppendNumberDouble(obj, key, val);
} break;
case 'T':
case 'B':
case 'b': {
int val = va_arg(args, int);
@ -272,6 +275,16 @@ virJSONValueObjectAddVArgs(virJSONValuePtr obj,
if (!val && type == 'B')
continue;
if (type == 'T') {
if (val == VIR_TRISTATE_BOOL_ABSENT)
continue;
if (val == VIR_TRISTATE_BOOL_NO)
val = 0;
else
val = 1;
}
rc = virJSONValueObjectAppendBoolean(obj, key, val);
} break;