131 lines
3.2 KiB
V
131 lines
3.2 KiB
V
module eventbus
|
|
|
|
/*
|
|
NOTE: All these non-generic methods are temporary until
|
|
V has a properly functioning generic system
|
|
*/
|
|
|
|
pub struct Params {
|
|
mut:
|
|
params []Param
|
|
}
|
|
|
|
struct Param{
|
|
typ string
|
|
name string
|
|
value voidptr
|
|
keys voidptr
|
|
}
|
|
|
|
pub fn (p Params) get_string(name string) string {
|
|
param, is_type := p.get_param(name, "string")
|
|
return if is_type {string(byteptr(param.value))}else{""}
|
|
}
|
|
|
|
pub fn (p Params) get_int(name string) int {
|
|
param, is_type := p.get_param(name, "num")
|
|
return if is_type {int(param.value)}else{0}
|
|
}
|
|
|
|
pub fn (p Params) get_bool(name string) bool {
|
|
param, is_type := p.get_param(name, "bool")
|
|
return if is_type {int(param.value) == 1}else{false}
|
|
}
|
|
|
|
pub fn get_array<T>(p Params, name string, def T) []T {
|
|
param, _ := p.get_param(name, "")
|
|
if param.typ.contains("[") {
|
|
len := parse_len(param.typ, "[", "]")
|
|
mut b := []T
|
|
b = C.new_array_from_c_array_no_alloc(len, len, sizeof(T), param.value)
|
|
return b
|
|
}
|
|
return []
|
|
}
|
|
|
|
fn C.map_set() // TODO remove hack
|
|
|
|
// TODO: make this a method after generics are fixed.
|
|
pub fn get_map<T>(p Params, name string, valueTyp T) map[string]T {
|
|
param, _ := p.get_param(name, "")
|
|
ret := map[string]T
|
|
if param.typ.contains("map(") {
|
|
len := parse_len(param.typ, "(", ")")
|
|
mut keys := []string
|
|
// the best way (that I could find) to convert voidptr into array without alloc
|
|
// since we know that the voidptr we are getting is an array
|
|
keys = C.new_array_from_c_array_no_alloc(len, len, sizeof(T), param.keys)
|
|
for i, key in keys {
|
|
//the most simple way to set map value without knowing the typ
|
|
// TODO remove
|
|
C.map_set(&ret, key, param.value + i * sizeof(T))
|
|
}
|
|
}
|
|
return ret
|
|
}
|
|
|
|
pub fn (p Params) get_string_map(name string) map[string]string {
|
|
return get_map(p, name, "")
|
|
}
|
|
|
|
pub fn (p Params) get_int_map(name string) map[string]int {
|
|
return get_map(p, name, 0)
|
|
}
|
|
|
|
pub fn (p Params) get_bool_map(name string) map[string]bool {
|
|
return get_map(p, name, false)
|
|
}
|
|
|
|
// TODO: make this a method after generics are fixed.
|
|
pub fn put_map<T>(p mut Params, name string, valueTyp T, value map[string]T) {
|
|
keys := value.keys()
|
|
mut vals := []T
|
|
for key in keys {
|
|
vals << value[key]
|
|
}
|
|
p.params << Param {
|
|
typ: "map($value.size)"
|
|
name: name
|
|
keys: keys.data
|
|
value: vals.data
|
|
}
|
|
}
|
|
|
|
// TODO: make this a method after generic methods are working.
|
|
pub fn put_array<T>(p mut Params, name string, arr []T) {
|
|
p.put_custom(name, "[$arr.len]", arr.data)
|
|
}
|
|
|
|
pub fn (p mut Params) put_int(name string, num int) {
|
|
p.put_custom(name, "num", num)
|
|
}
|
|
|
|
pub fn (p mut Params) put_string(name string, s string) {
|
|
p.put_custom(name, "string", s.str)
|
|
}
|
|
|
|
pub fn (p mut Params) put_bool(name string, val bool) {
|
|
p.put_custom(name, "bool", if val { 1 } else { 0 })
|
|
}
|
|
|
|
pub fn (p mut Params) put_custom(name string, typ string, data voidptr) {
|
|
p.params << Param {typ, name, data, voidptr(0)}
|
|
}
|
|
|
|
//HELPERS
|
|
|
|
fn parse_len(typ, s_tok, e_tok string) int {
|
|
len := typ[typ.index(s_tok) + 1 .. typ.index(e_tok)].int()
|
|
//t := typ.substr(typ.index(e_tok) + 1, typ.len)
|
|
return len
|
|
}
|
|
|
|
fn (p Params) get_param(name string, typ string) (Param, bool) {
|
|
for param in p.params {
|
|
if param.name == name {
|
|
return param, param.typ == typ
|
|
}
|
|
}
|
|
return Param{value: voidptr(0), keys: voidptr(0)}, false
|
|
}
|