mirror of
https://github.com/vlang/v.git
synced 2025-08-03 17:57:59 -04:00
353 lines
6.1 KiB
V
353 lines
6.1 KiB
V
// Copyright (c) 2019-2024 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module json2
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import time
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// i8 uses `Any` as a 16-bit integer.
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pub fn (f Any) i8() i8 {
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match f {
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i8 {
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return f
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}
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i16, i32, int, i64, u8, u16, u32, u64, f32, f64, bool {
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return i8(f)
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}
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string {
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return f.i8()
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}
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else {
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return 0
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}
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}
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}
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// i16 uses `Any` as a 16-bit integer.
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pub fn (f Any) i16() i16 {
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match f {
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i16 {
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return f
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}
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i8, i32, int, i64, u8, u16, u32, u64, f32, f64, bool {
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return i16(f)
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}
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string {
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return f.i16()
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}
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else {
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return 0
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}
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}
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}
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// int uses `Any` as an integer.
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pub fn (f Any) int() int {
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match f {
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int {
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return f
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}
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i8, i16, i32, i64, u8, u16, u32, u64, f32, f64, bool {
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return int(f)
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}
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string {
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return f.int()
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}
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else {
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return 0
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}
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}
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}
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// i32 uses `Any` as a 32-bit integer.
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pub fn (f Any) i32() i32 {
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match f {
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i32 {
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return f
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}
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i8, i16, int, i64, u8, u16, u32, u64, f32, f64, bool {
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return i32(f)
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}
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string {
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return f.i32()
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}
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else {
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return 0
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}
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}
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}
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// i64 uses `Any` as a 64-bit integer.
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pub fn (f Any) i64() i64 {
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match f {
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i64 {
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return f
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}
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i8, i16, i32, int, u8, u16, u32, u64, f32, f64, bool {
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return i64(f)
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}
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string {
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return f.i64()
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}
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else {
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return 0
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}
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}
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}
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// u8 uses `Any` as a 8-bit unsigned integer.
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pub fn (f Any) u8() u8 {
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match f {
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u8 {
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return f
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}
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u16, u32, i8, i16, i32, int, i64, f32, f64, bool {
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return u8(u16(f))
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}
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string {
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return f.u8()
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}
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else {
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return 0
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}
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}
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}
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// u64 uses `Any` as a 64-bit unsigned integer.
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pub fn (f Any) u64() u64 {
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match f {
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u64 {
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return f
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}
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u8, u16, u32, i8, i16, i32, int, i64, f32, f64, bool {
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return u64(f)
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}
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string {
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return f.u64()
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}
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else {
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return 0
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}
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}
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}
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// f32 uses `Any` as a 32-bit float.
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pub fn (f Any) f32() f32 {
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match f {
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f32 {
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return f
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}
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bool, i8, i16, i32, int, i64, u8, u16, u32, u64, f64 {
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return f32(f)
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}
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string {
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return f.f32()
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}
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else {
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return 0.0
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}
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}
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}
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// f64 uses `Any` as a 64-bit float.
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pub fn (f Any) f64() f64 {
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match f {
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f64 {
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return f
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}
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i8, i16, i32, int, i64, u8, u16, u32, u64, f32 {
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return f64(f)
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}
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string {
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return f.f64()
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}
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else {
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return 0.0
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}
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}
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}
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// bool uses `Any` as a bool.
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pub fn (f Any) bool() bool {
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match f {
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bool {
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return f
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}
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string {
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if f == 'false' {
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return false
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}
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if f == 'true' {
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return true
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}
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if f.len > 0 {
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return f != '0' && f != '0.0'
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} else {
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return false
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}
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}
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i8, i16, i32, int, i64 {
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return i64(f) != 0
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}
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u8, u16, u32, u64 {
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return u64(f) != 0
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}
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f32, f64 {
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return f64(f) != 0.0
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}
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else {
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return false
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}
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}
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}
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// arr uses `Any` as an array.
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pub fn (f Any) arr() []Any {
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if f is []Any {
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return f
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} else if f is map[string]Any {
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mut arr := []Any{}
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for _, v in f {
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arr << v
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}
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return arr
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}
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return [f]
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}
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// as_map uses `Any` as a map.
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pub fn (f Any) as_map() map[string]Any {
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if f is map[string]Any {
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return f
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} else if f is []Any {
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mut mp := map[string]Any{}
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for i, fi in f {
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mp['${i}'] = fi
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}
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return mp
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}
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return {
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'0': f
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}
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}
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// to_time uses `Any` as a time.Time.
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pub fn (f Any) to_time() !time.Time {
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match f {
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time.Time {
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return f
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}
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i64 {
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return time.unix(f)
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}
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string {
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is_iso8601 := f[4] == `-` && f[7] == `-`
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if is_iso8601 {
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return time.parse_iso8601(f)!
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}
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is_rfc3339 := f.len == 24 && f[23] == `Z` && f[10] == `T`
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if is_rfc3339 {
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return time.parse_rfc3339(f)!
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}
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mut is_unix_timestamp := true
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for c in f {
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if c == `-` || (c >= `0` && c <= `9`) {
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continue
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}
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is_unix_timestamp = false
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break
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}
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if is_unix_timestamp {
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return time.unix(f.i64())
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}
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// TODO: parse_iso8601
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// TODO: parse_rfc2822
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return time.parse(f)!
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}
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else {
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return error('not a time value: ${f} of type: ${f.type_name()}')
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}
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}
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}
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// map_from convert a struct to map of Any
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pub fn map_from[T](t T) map[string]Any {
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mut m := map[string]Any{}
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$if T is $struct {
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$for field in T.fields {
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value := t.$(field.name)
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$if field.is_array {
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mut top_arr := unsafe { []Any{len: t.$(field.name).len} }
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for idx, variable in value {
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$if variable is $array {
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top_arr[idx] = flatten_array(variable)
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} $else {
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top_arr[idx] = variable
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}
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}
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m[field.name] = top_arr
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top_arr.clear()
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} $else $if field.is_struct {
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m[field.name] = map_from(value)
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} $else $if field.is_map {
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// TODO
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} $else $if field.is_alias {
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// TODO
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} $else $if field.is_option {
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// TODO
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} $else {
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// TODO: simplify check of type & improve memory usage when convert
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$if field.typ is string {
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m[field.name] = value
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} $else $if field.typ is bool {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is i8 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is i16 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is i32 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is int {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is i64 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is f32 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is f64 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is u8 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is u16 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is u32 {
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m[field.name] = t.$(field.name)
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} $else $if field.typ is u64 {
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m[field.name] = t.$(field.name)
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} $else {
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// return error("The type of `${field.name}` can't be decoded. Please open an issue at https://github.com/vlang/v/issues/new/choose")
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}
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}
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}
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}
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return m
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}
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// flatten_array convert a array of values to array of Any
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@[inline]
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fn flatten_array[T](t []T) []Any {
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$if t !is $array {
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return Any(t)
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} $else {
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mut arr := []Any{}
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for variable in t {
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$if variable is $array {
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arr << flatten_array(variable)
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} $else {
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arr << Any(variable)
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}
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}
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return arr
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}
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}
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