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json: Support %% in JSON strings when interpolating

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The previous commit makes JSON strings containing '%' awkward to
express in templates: you'd have to mask the '%' with an Unicode
escape \u0025.  No template currently contains such JSON strings.
Support the printf conversion specification %% in JSON strings as a
convenience anyway, because it's trivially easy to do.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-58-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-08-23 18:40:24 +02:00
parent 16a4859921
commit 8bca4613e6
2 changed files with 4 additions and 3 deletions
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4
tests/check-qjson.c
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@ -1270,7 +1270,7 @@ static void simple_interpolation(void)
QObject *obj;
QLitObject decoded = QLIT_QLIST(((QLitObject[]){
QLIT_QNUM(1),
QLIT_QNUM(2),
QLIT_QSTR("100%"),
QLIT_QLIST(((QLitObject[]){
QLIT_QNUM(32),
QLIT_QNUM(42),
@ -1280,7 +1280,7 @@ static void simple_interpolation(void)
embedded_obj = qobject_from_json("[32, 42]", &error_abort);
g_assert(embedded_obj != NULL);
obj = qobject_from_jsonf_nofail("[%d, 2, %p]", 1, embedded_obj);
obj = qobject_from_jsonf_nofail("[%d, '100%%', %p]", 1, embedded_obj);
g_assert(qlit_equal_qobject(&decoded, obj));
qobject_unref(obj);