v/vlib/eventbus/params.v

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module eventbus
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/*
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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
}
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}
}
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pub fn (p Params) get_array<T>(name string, def T) []T {
param, is_type := p.get_param(name, "array")
if is_type {
val := param.value
return unmarshall_array(def, val)
} else {
return []
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}
}
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pub fn (p Params) get_map<T>(name string, def T) map[string]T {
param, is_type := p.get_param(name, "map")
if is_type {
val := param.value
return unmarshall_map(def, val)
} else {
return map[string]T
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}
}
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pub fn (p Params) get_raw(name string) voidptr {
param, _ := p.get_param(name, "")
return param.value
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}
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pub fn (p mut Params) put_map(name string, value voidptr) {
p.put_custom(name, "map", value)
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}
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pub fn (p mut Params) put_array(name string, arr voidptr) {
p.put_custom(name, "array", arr)
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}
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) {
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p.put_custom(name, "bool", if val { 1 } else { 0 })
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}
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pub fn (p mut Params) put_custom(name, typ string, data voidptr) {
p.params << Param {typ, name, data}
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}
//HELPERS
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
}
}
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return Param{value: voidptr(0)}, false
}
fn unmarshall_array<T> (s T, m voidptr) array_T {
return *(*array_T(m))
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}
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fn unmarshall_map<T> (s T, m voidptr) map_T {
return *(*map_T(m))
}