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use json::JsonValue;
use crate::{SmDtonBuffer, SmDtonPair, SmDtonReader};
macro_rules! def_get_func {
($func_name:ident, $dty: ty) => {
#[allow(dead_code)]
pub fn $func_name(&self, key: &str) -> Option<$dty> {
match &self.nread {
Some(q) => {
let op = q.$func_name(1, key);
match op {
Some(data) => return Some(data),
_ => {}
}
}
_ => {}
}
match &self.oread {
Some(q) => {
let op = q.$func_name(1, key);
match op {
Some(data) => return Some(data),
_ => {}
}
}
_ => {}
}
return None
}
};
}
#[allow(dead_code)]
pub struct SmDton<'a> {
oread: Option<SmDtonReader<'a>>,
nread: Option<SmDtonReader<'a>>,
}
impl<'a> SmDton<'a> {
pub fn new_from_buffer(smb: &'a SmDtonBuffer) -> Self {
let buf = smb.get_buffer();
if buf.len() > 0 {
SmDton {
oread: Some(SmDtonReader::new(buf)),
nread: None,
}
} else {
SmDton {
oread: None,
nread: None,
}
}
}
pub fn new_from_pair(pair: &'a SmDtonPair) -> Self {
let buf1 = pair.raw.get_buffer();
let buf2 = pair.update.get_buffer();
if buf1.len() > 0 {
if buf2.len() > 0 {
SmDton {
oread: Some(SmDtonReader::new(buf1)),
nread: Some(SmDtonReader::new(buf2)),
}
} else {
SmDton {
oread: Some(SmDtonReader::new(buf1)),
nread: None,
}
}
} else {
SmDton {
oread: None,
nread: None,
}
}
}
pub fn update(&mut self, vec: &'a [u8]) {
self.nread = Some(SmDtonReader::new(vec));
}
pub fn update_by_dton(&mut self, ndt: &SmDton<'a>) {
if self.oread.is_some() {
match &ndt.oread {
Some(rd) => {
self.nread = Some(rd.clone());
}
_ => {}
}
}
}
pub fn get_string(&self, key: &str) -> Option<String> {
match &self.nread {
Some(q) => {
let op = q.get_string(1, key);
match op {
Some(data) => return Some(data.to_string()),
_ => {}
}
}
None => {}
}
match &self.oread {
Some(q) => {
let op = q.get_string(1, key);
match op {
Some(data) => return Some(data.to_string()),
_ => {}
}
}
None => {}
}
return None;
}
def_get_func!(get_bool, bool);
def_get_func!(get_u8, u8);
def_get_func!(get_bin, &[u8]);
def_get_func!(get_i16, i16);
def_get_func!(get_u16, u16);
def_get_func!(get_i32, i32);
def_get_func!(get_u32, u32);
def_get_func!(get_f32, f32);
def_get_func!(get_i64, i64);
def_get_func!(get_u64, u64);
def_get_func!(get_f64, f64);
pub fn stringify(&self) -> Option<String> {
let mut ret: Option<JsonValue> = None;
match &self.oread {
Some(q) => {
let op = q.to_json(1);
match op {
Some(jsn) => {
ret = Some(jsn);
}
_ => {}
}
}
_ => {}
}
match &self.nread {
Some(q) => {
let op = q.to_json(1);
match op {
Some(jsn) => {
if ret.is_some() {
let mut r = ret.unwrap();
for x in jsn.entries() {
let k = x.0.to_string();
let v = x.1;
r[k] = v.clone();
}
return Some(r.to_string());
} else {
return Some(jsn.to_string());
}
}
_ => {}
}
}
_ => {}
}
if ret.is_some() {
return Some(ret.unwrap().pretty(4));
}
return None;
}
pub fn combine<'b>(&self, ndt: &SmDton<'a>) -> Option<JsonValue> {
let ops1 = self.stringify();
let ops2 = ndt.stringify();
let mut s1 = "".to_string();
if ops1.is_some() {
s1 = ops1.unwrap();
}
let mut s2 = "".to_string();
if ops2.is_some() {
s2 = ops2.unwrap();
}
let r1 = json::parse(&s1);
let r2 = json::parse(&s2);
match r1 {
Ok(mut jsn1) => {
match r2 {
Ok(jsn2) => {
for x in jsn2.entries() {
let k = x.0.to_string();
let v = x.1;
jsn1[k] = v.clone();
}
}
_ => {}
}
return Some(jsn1);
}
_ => match r2 {
Ok(jsn2) => {
return Some(jsn2);
}
_ => {
return None;
}
},
}
}
pub fn clone(&self) -> Self {
match &self.oread {
Some(q) => match &self.nread {
Some(r) => SmDton {
oread: Some(q.clone()),
nread: Some(r.clone()),
},
_ => SmDton {
oread: Some(q.clone()),
nread: None,
},
},
_ => SmDton {
oread: None,
nread: None,
},
}
}
}