/**
* Parses a set of colon-separated or semicolon-separated
* <code>name=value</code> pairs.
* Some access (or access_demux) plugins uses this scheme
* in media resource location.
* @note Only trusted/safe variables are allowed. This is intended.
*
* @warning Only use this for plugins implementing VLC-specific resource
* location schemes. This would not make any sense for standardized ones.
*
* @param obj VLC object on which to set variables (and emit error messages)
* @param mrl string to parse
* @param pref prefix to prepend to option names in the string
*
* @return VLC_ENOMEM on error, VLC_SUCCESS on success.
*/
int var_LocationParse (vlc_object_t *obj, const char *mrl, const char *pref)
{
int ret = VLC_SUCCESS;
size_t preflen = strlen (pref) + 1;
assert(mrl != NULL);
while (*mrl != '\0')
{
mrl += strspn (mrl, ":;"); /* skip leading colon(s) */
size_t len = strcspn (mrl, ":;");
char *buf = malloc (preflen + len);
if (likely(buf != NULL))
{
/* NOTE: this does not support the "no-<varname>" bool syntax. */
/* DO NOT use asprintf() here; it won't work! Think again. */
snprintf (buf, preflen + len, "%s%s", pref, mrl);
var_OptionParse (obj, buf, false);
free (buf);
}
else
ret = VLC_ENOMEM;
mrl += len;
}
return ret;
}
void input_item_ApplyOptions(vlc_object_t *obj, input_item_t *item)
{
vlc_mutex_lock(&item->lock);
assert(item->optflagc == (unsigned)item->i_options);
for (unsigned i = 0; i < (unsigned)item->i_options; i++)
var_OptionParse(obj, item->ppsz_options[i],
!!(item->optflagv[i] & VLC_INPUT_OPTION_TRUSTED));
for (const input_item_opaque_t *o = item->opaques; o != NULL; o = o->next)
{
var_Create(obj, o->name, VLC_VAR_ADDRESS);
var_SetAddress(obj, o->name, o->value);
}
vlc_mutex_unlock(&item->lock);
}
