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Code Issues Releases Wiki Activity

command: add a new property deprecation mechanism

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Looks like this will be needed a lot...
This commit is contained in:
wm4 2015-05-22 20:01:12 +02:00
parent 17b3cab983
commit c2f9e3d2b3
1 changed files with 29 additions and 0 deletions
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29
player/command.c
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@ -75,6 +75,9 @@ struct command_ctx {
double prev_pts;
char **warned_deprecated;
int num_warned_deprecated;
struct cycle_counter *cycle_counters;
int num_cycle_counters;
@ -3081,6 +3084,29 @@ static int mp_property_alias(void *ctx, struct m_property *prop,
return mp_property_do(real_property, action, arg, ctx);
}
static int mp_property_deprecated_alias(void *ctx, struct m_property *prop,
int action, void *arg)
{
MPContext *mpctx = ctx;
struct command_ctx *cmd = mpctx->command_ctx;
const char *real_property = prop->priv;
if (action == M_PROPERTY_SET || action == M_PROPERTY_GET ||
action == M_PROPERTY_PRINT)
{
for (int n = 0; n < cmd->num_warned_deprecated; n++) {
if (strcmp(cmd->warned_deprecated[n], prop->name) == 0)
goto done;
}
MP_WARN(mpctx, "Warning: property '%s' was replaced with '%s' and "
"might be removed in the future.\n", prop->name, real_property);
MP_TARRAY_APPEND(cmd, cmd->warned_deprecated, cmd->num_warned_deprecated,
(char *)prop->name);
done:;
}
return mp_property_do(real_property, action, arg, ctx);
}
static int access_options(struct m_property_action_arg *ka, bool local,
MPContext *mpctx)
{
@ -3237,6 +3263,9 @@ static int mp_property_list(void *ctx, struct m_property *prop,
#define M_PROPERTY_ALIAS(name, real_property) \
{(name), mp_property_alias, .priv = (real_property)}
#define M_PROPERTY_DEPRECATED_ALIAS(name, real_property) \
{(name), mp_property_deprecated_alias, .priv = (real_property)}
/// All properties available in MPlayer.
/** \ingroup Properties
*/