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qemu: qapi: Simplify value handling in virQEMUQAPISchemaTraverse

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Introduce a few variables so that we can easily access the modifier
character and also don't have to do pointer arithmetic when selecting
the schema entries. This will simplify adding of new modifier
characters.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Peter Krempa 2018-08-15 08:32:04 +02:00
parent b04d1b6a35
commit cbcee32350
1 changed files with 16 additions and 3 deletions
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19
src/qemu/qemu_qapi.c
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@ -25,6 +25,8 @@
#include "virerror.h"
#include "virlog.h"
#include "c-ctype.h"
#define VIR_FROM_THIS VIR_FROM_QEMU
VIR_LOG_INIT("qemu.qemu_qapi");
@ -75,6 +77,8 @@ virQEMUQAPISchemaTraverse(const char *baseName,
{
virJSONValuePtr base;
const char *metatype;
const char *querystr;
char modifier;
while (1) {
if (!(base = virHashLookup(schema, baseName)))
@ -93,13 +97,19 @@ virQEMUQAPISchemaTraverse(const char *baseName,
continue;
} else if (STREQ(metatype, "object")) {
if (**query == '+')
querystr = *query;
modifier = **query;
if (!c_isalpha(modifier))
querystr++;
if (modifier == '+')
baseName = virQEMUQAPISchemaObjectGetType("variants",
*query + 1,
querystr,
"case", base);
else
baseName = virQEMUQAPISchemaObjectGetType("members",
*query,
querystr,
"name", base);
if (!baseName)
@ -139,6 +149,9 @@ virQEMUQAPISchemaTraverse(const char *baseName,
* +variant_discriminator: In the case of unionized objects, select a
* specific case to introspect.
*
* If the name of any (sub)attribute starts with non-alphabetical symbols it
* needs to be prefixed by a single space.
*
* Array types are automatically flattened to the singular type. Alternate
* types are currently not supported.
*