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// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module json2
pub const (
null = Null{}
)
pub interface Serializable {
from_json(f Any)
to_json() string
}
// Decodes a JSON string into an `Any` type. Returns an option.
pub fn raw_decode(src string) ?Any {
mut p := new_parser(src, true)
return p.decode()
}
// Same with `raw_decode`, but skips the type conversion for certain types when decoding a certain value.
pub fn fast_raw_decode(src string) ?Any {
mut p := new_parser(src, false)
return p.decode()
}
// decode is a generic function that decodes a JSON string into the target type.
pub fn decode<T>(src string) ?T {
res := raw_decode(src) ?
mut typ := T{}
typ.from_json(res)
return typ
}
// encode is a generic function that encodes a type into a JSON string.
pub fn encode<T>(typ T) string {
return typ.to_json()
}
// as_map uses `Any` as a map.
pub fn (f Any) as_map() map[string]Any {
if f is map[string]Any {
return f
} else if f is []Any {
mut mp := map[string]Any{}
for i, fi in f {
mp['$i'] = fi
}
return mp
}
return {
'0': f
}
}
// int uses `Any` as an integer.
pub fn (f Any) int() int {
match f {
int { return f }
i64, f32, f64, bool { return int(f) }
else { return 0 }
}
}
// i64 uses `Any` as a 64-bit integer.
pub fn (f Any) i64() i64 {
match f {
i64 { return f }
int, f32, f64, bool { return i64(f) }
else { return 0 }
}
}
// u64 uses `Any` as a 64-bit unsigned integer.
pub fn (f Any) u64() u64 {
match f {
u64 { return f }
int, i64, f32, f64, bool { return u64(f) }
else { return 0 }
}
}
// f32 uses `Any` as a 32-bit float.
pub fn (f Any) f32() f32 {
match f {
f32 { return f }
int, i64, f64 { return f32(f) }
else { return 0.0 }
}
}
// f64 uses `Any` as a float.
pub fn (f Any) f64() f64 {
match f {
f64 { return f }
int, i64, f32 { return f64(f) }
else { return 0.0 }
}
}
// arr uses `Any` as an array.
pub fn (f Any) arr() []Any {
if f is []Any {
return f
} else if f is map[string]Any {
mut arr := []Any{}
for _, v in f {
arr << v
}
return arr
}
return [f]
}
// bool uses `Any` as a bool
pub fn (f Any) bool() bool {
match f {
bool { return f }
string { return f.bool() }
else { return false }
}
}
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