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v/json/json_primitives.v

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// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
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module json
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// TODO: windows support
#flag linux -I @VROOT/thirdparty/cJSON
#flag darwin -I @VROOT/thirdparty/cJSON
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// #include "cJSON.c"
#include "cJSON.h"
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struct C.cJSON {
valueint int
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valuedouble f32
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valuestring byteptr
}
fn jsdecode_int(root *C.cJSON) int {
if isnil(root) {
return 0
}
return root.valueint
}
//TODO: Refactor with generics when it will be avaible
fn jsdecode_i8(root *C.cJSON) i8 {
if isnil(root) {
return i8(0)
}
return i8(root.valueint)
}
fn jsdecode_i16(root *C.cJSON) i16 {
if isnil(root) {
return i16(0)
}
return i16(root.valueint)
}
fn jsdecode_i32(root *C.cJSON) i32 {
if isnil(root) {
return i32(0)
}
return i32(root.valueint)
}
fn jsdecode_i64(root *C.cJSON) i64 {
if isnil(root) {
return i64(0)
}
return i64(root.valuedouble) //i64 is double in C
}
fn jsdecode_f32(root *C.cJSON) f32 {
if isnil(root) {
return f32(0)
}
return f32(root.valuedouble)
}
fn jsdecode_f64(root *C.cJSON) f64 {
if isnil(root) {
return f64(0)
}
return f64(root.valuedouble)
}
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fn jsdecode_string(root *C.cJSON) string {
if isnil(root) {
return ''
}
if isnil(root.valuestring) {
return ''
}
// println('jsdecode string valuestring="$root.valuestring"')
// return tos(root.valuestring, _strlen(root.valuestring))
return tos_clone(root.valuestring)// , _strlen(root.valuestring))
}
fn jsdecode_bool(root *C.cJSON) bool {
if isnil(root) {
return false
}
return C.cJSON_IsTrue(root)
}
// ///////////////////
//TODO: Refactor with Generics when it will be available
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fn jsencode_int(val int) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
fn jsencode_i8(val i8) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
fn jsencode_i16(val i16) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
fn jsencode_i32(val i32) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
fn jsencode_i64(val i64) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
fn jsencode_f32(val f32) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
fn jsencode_f64(val f64) *C.cJSON {
return C.cJSON_CreateNumber(val)
}
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fn jsencode_bool(val bool) *C.cJSON {
return C.cJSON_CreateBool(val)
}
fn jsencode_string(val string) *C.cJSON {
clone := val.clone()
return C.cJSON_CreateString(clone.str)
// return C.cJSON_CreateString2(val.str, val.len)
}
// ///////////////////////
// user := decode_User(json_parse(js_string_var))
fn json_parse(s string) *C.cJSON {
return C.cJSON_Parse(s.str)
}
// json_string := json_print(encode_User(user))
fn json_print(json *C.cJSON) string {
s := C.cJSON_PrintUnformatted(json)
return tos(s, _strlen(s))
}
// / cjson wrappers
// fn json_array_for_each(val, root *C.cJSON) {
// #cJSON_ArrayForEach (val ,root)
// }