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lighttpd2/src/common/value.c

145 lines
3.1 KiB
C

#define _LIGHTTPD_COMMON_VALUE_C_
#include <lighttpd/value.h>
#include <lighttpd/utils.h>
liValue* li_value_new_none(void) {
liValue *v = g_slice_new0(liValue);
v->type = LI_VALUE_NONE;
return v;
}
liValue* li_value_new_bool(gboolean val) {
liValue *v = g_slice_new0(liValue);
v->data.boolean = val;
v->type = LI_VALUE_BOOLEAN;
return v;
}
liValue* li_value_new_number(gint64 val) {
liValue *v = g_slice_new0(liValue);
v->data.number = val;
v->type = LI_VALUE_NUMBER;
return v;
}
liValue* li_value_new_string(GString *val) {
liValue *v = g_slice_new0(liValue);
v->data.string = val;
v->type = LI_VALUE_STRING;
return v;
}
liValue* li_value_new_list(void) {
liValue *v = g_slice_new0(liValue);
v->data.list = g_ptr_array_new();
v->type = LI_VALUE_LIST;
return v;
}
void li_value_list_append(liValue *list, liValue *item) {
LI_FORCE_ASSERT(LI_VALUE_LIST == list->type);
g_ptr_array_add(list->data.list, item);
}
void li_value_wrap_in_list(liValue *val) {
liValue *item;
LI_FORCE_ASSERT(NULL != val);
item = li_value_extract(val);
val->type = LI_VALUE_LIST;
val->data.list = g_ptr_array_new();
g_ptr_array_add(val->data.list, item);
}
static void _li_value_clear(liValue *val) {
memset(val, 0, sizeof(*val));
val->type = LI_VALUE_NONE;
}
const char* li_common_valuetype_string_(liValueType type) {
switch(type) {
case LI_VALUE_NONE:
return "none";
case LI_VALUE_BOOLEAN:
return "boolean";
case LI_VALUE_NUMBER:
return "number";
case LI_VALUE_STRING:
return "string";
case LI_VALUE_LIST:
return "list";
}
return "<unknown>";
}
gpointer li_common_value_extract_ptr_(liValue *val) {
gpointer ptr = NULL;
if (NULL == val) return NULL;
switch (val->type) {
case LI_VALUE_NONE:
break;
case LI_VALUE_BOOLEAN:
break;
case LI_VALUE_NUMBER:
break;
case LI_VALUE_STRING:
ptr = val->data.string;
break;
case LI_VALUE_LIST:
ptr = val->data.list;
break;
}
_li_value_clear(val);
return ptr;
}
GString* li_value_extract_string(liValue *val) {
GString* result;
if (NULL == val || val->type != LI_VALUE_STRING) return NULL;
result = val->data.string;
_li_value_clear(val);
return result;
}
GPtrArray* li_value_extract_list(liValue *val) {
GPtrArray* result;
if (NULL == val || val->type != LI_VALUE_LIST) return NULL;
result = val->data.list;
_li_value_clear(val);
return result;
}
liValue* li_value_extract(liValue *val) {
liValue *v;
if (NULL == val) return NULL;
v = li_value_new_none();
*v = *val;
_li_value_clear(val);
return v;
}
liValue* li_value_to_key_value_list(liValue *val) {
if (NULL == val) return NULL;
if (LI_VALUE_LIST == val->type) {
if (li_value_list_has_len(val, 2) &&
(LI_VALUE_STRING == li_value_list_type_at(val, 0) || LI_VALUE_NONE == li_value_list_type_at(val, 0))) {
/* single key-value pair */
li_value_wrap_in_list(val);
return val;
}
/* verify key-value list properties */
LI_VALUE_FOREACH(lentry, val)
if (!li_value_list_has_len(lentry, 2)) return NULL;
if (LI_VALUE_STRING != li_value_list_type_at(lentry, 0) && LI_VALUE_NONE != li_value_list_type_at(lentry, 0)) return NULL;
LI_VALUE_END_FOREACH()
return val;
}
return NULL;
}