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m_config: move parts of m_config_add_option into its own function

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Preparation for the next commit.
This commit is contained in:
wm4 2016-09-05 21:02:09 +02:00
parent 6cd80e972e
commit cc813647d5
1 changed files with 36 additions and 26 deletions
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62
options/m_config.c
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@ -371,6 +371,41 @@ static void add_options(struct m_config *config,
m_config_add_option(config, parent, optstruct, optstruct_def, &defs[i]);
}
static void add_sub_options(struct m_config *config,
struct m_config_option *parent,
const struct m_sub_options *subopts)
{
// Can't be used multiple times.
for (int n = 0; n < config->num_groups; n++)
assert(config->groups[n].group != subopts);
void *new_optstruct = NULL;
if (config->optstruct) // only if not noalloc
new_optstruct = m_config_alloc_struct(config, subopts);
if (parent && parent->data)
substruct_write_ptr(parent->data, new_optstruct);
const void *new_optstruct_def = NULL;
if (parent && parent->default_data)
new_optstruct_def = substruct_read_ptr(parent->default_data);
if (!new_optstruct_def)
new_optstruct_def = subopts->defaults;
int group = config->num_groups++;
MP_TARRAY_GROW(config, config->groups, group);
config->groups[group] = (struct m_config_group){
.group = subopts,
.parent_group = parent ? parent->group : 0,
.opts = new_optstruct,
};
struct m_config_option next = {
.name = parent ? parent->name : "",
.group = group,
};
add_options(config, &next, new_optstruct, new_optstruct_def, subopts->opts);
}
// Initialize a field with a given value. In case this is dynamic data, it has
// to be allocated and copied. src can alias dst, also can be NULL.
static void init_opt_inplace(const struct m_option *opt, void *dst,
@ -435,32 +470,7 @@ static void m_config_add_option(struct m_config *config,
// Option with children -> add them
if (arg->type->flags & M_OPT_TYPE_HAS_CHILD) {
const struct m_sub_options *subopts = arg->priv;
// Can't be used multiple times.
for (int n = 0; n < config->num_groups; n++)
assert(config->groups[n].group != subopts);
void *new_optstruct = NULL;
if (co.data) {
new_optstruct = m_config_alloc_struct(config, subopts);
substruct_write_ptr(co.data, new_optstruct);
}
const void *new_optstruct_def = substruct_read_ptr(co.default_data);
if (!new_optstruct_def)
new_optstruct_def = subopts->defaults;
int parent_group = co.group;
co.group = config->num_groups++;
MP_TARRAY_GROW(config, config->groups, co.group);
struct m_config_group *group = &config->groups[co.group];
*group = (struct m_config_group){
.group = subopts,
.parent_group = parent_group,
.opts = new_optstruct,
};
add_options(config, &co, new_optstruct, new_optstruct_def, subopts->opts);
add_sub_options(config, &co, subopts);
} else {
// Initialize options
if (co.data && co.default_data)