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commands: remove fallback for M_PROPERTY_PARSE and M_PROPERTY_TO_STRING

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These should never be overridden by property implementations anyway,
because it would likely result in inconsistencies. The right way to do
this is adding a new m_option type.

Also some cosmetics.
This commit is contained in:
wm4 2012-09-21 12:15:47 +02:00
parent dec53f760e
commit d6dad9e934
1 changed files with 26 additions and 38 deletions
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64
m_property.c
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@ -25,7 +25,7 @@
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <unistd.h>
#include <assert.h>
#include "talloc.h"
#include "m_option.h"
@ -55,7 +55,8 @@ static int do_action(const m_option_t *prop_list, const char *name,
prop = m_option_list_find(prop_list, name);
if (!prop)
return M_PROPERTY_UNKNOWN;
r = ((m_property_ctrl_f)prop->p)(prop, action, arg, ctx);
int (*control)(const m_option_t*, int, void*, void*) = prop->p;
r = control(prop, action, arg, ctx);
if (action == M_PROPERTY_GET_TYPE && r < 0) {
*(const m_option_t **)arg = prop;
return M_PROPERTY_OK;
@ -66,60 +67,47 @@ static int do_action(const m_option_t *prop_list, const char *name,
int m_property_do(const m_option_t *prop_list, const char *name,
int action, void *arg, void *ctx)
{
const m_option_t *opt;
union m_option_value val = {0};
int r;
char *str;
const m_option_t *opt = NULL;
r = do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx);
if (r <= 0)
return r;
assert(opt);
switch (action) {
case M_PROPERTY_PRINT:
case M_PROPERTY_PRINT: {
if ((r = do_action(prop_list, name, M_PROPERTY_PRINT, arg, ctx)) >= 0)
return r;
if ((r =
do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx)) <= 0)
return r;
// Fallback to m_option
if ((r = do_action(prop_list, name, M_PROPERTY_GET, &val, ctx)) <= 0)
return r;
str = m_option_pretty_print(opt, &val);
char *str = m_option_pretty_print(opt, &val);
m_option_free(opt, &val);
*(char **)arg = str;
return str != NULL;
case M_PROPERTY_TO_STRING:
if ((r = do_action(prop_list, name, M_PROPERTY_TO_STRING, arg, ctx)) !=
M_PROPERTY_NOT_IMPLEMENTED)
return r;
// fallback on the options API. Get the type, value and print.
if ((r =
do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx)) <= 0)
return r;
}
case M_PROPERTY_TO_STRING: {
if ((r = do_action(prop_list, name, M_PROPERTY_GET, &val, ctx)) <= 0)
return r;
str = m_option_print(opt, &val);
char *str = m_option_print(opt, &val);
m_option_free(opt, &val);
*(char **)arg = str;
return str != NULL;
case M_PROPERTY_PARSE:
// try the property own parsing func
if ((r = do_action(prop_list, name, M_PROPERTY_PARSE, arg, ctx)) !=
M_PROPERTY_NOT_IMPLEMENTED)
return r;
// fallback on the options API, get the type and parse.
if ((r =
do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx)) <= 0)
return r;
if ((r = m_option_parse(opt, bstr0(opt->name), bstr0(arg), &val)) <= 0)
return r;
}
case M_PROPERTY_PARSE: {
// (reject 0 return value: success, but empty string with flag)
if (m_option_parse(opt, bstr0(opt->name), bstr0(arg), &val) <= 0)
return M_PROPERTY_ERROR;
r = do_action(prop_list, name, M_PROPERTY_SET, &val, ctx);
m_option_free(opt, &val);
return r;
case M_PROPERTY_SWITCH:
}
case M_PROPERTY_SWITCH: {
if ((r = do_action(prop_list, name, M_PROPERTY_SWITCH, arg, ctx)) !=
M_PROPERTY_NOT_IMPLEMENTED)
return r;
if ((r =
do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx)) <= 0)
return r;
// Fallback to m_option
if (!opt->type->add)
return M_PROPERTY_NOT_IMPLEMENTED;
@ -131,10 +119,8 @@ int m_property_do(const m_option_t *prop_list, const char *name,
r = do_action(prop_list, name, M_PROPERTY_SET, &val, ctx);
m_option_free(opt, &val);
return r;
case M_PROPERTY_SET:
if ((r =
do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx)) <= 0)
return r;
}
case M_PROPERTY_SET: {
if (!opt->type->clamp) {
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Property '%s' without clamp().\n",
name);
@ -150,7 +136,9 @@ int m_property_do(const m_option_t *prop_list, const char *name,
}
return do_action(prop_list, name, M_PROPERTY_SET, arg, ctx);
}
return do_action(prop_list, name, action, arg, ctx);
default:
return do_action(prop_list, name, action, arg, ctx);
}
}
char *m_properties_expand_string(const m_option_t *prop_list, char *str,