13b9041511
Also restructure the code to implement get_dtcs and get_dtc_info by implementing GetObd2Values on the data types they return. This brings them in line with every other getter function besides get_vin.
134 lines
3.7 KiB
Rust
134 lines
3.7 KiB
Rust
macro_rules! trait_func {
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{
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$(#[$attr:meta])*
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fn $name:ident($service:expr) -> $retrieve_type:ty;
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} => {
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$(#[$attr])*
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fn $name(&mut self) -> Result<Vec<$retrieve_type>>;
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};
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{
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$(#[$attr:meta])*
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fn $name:ident($service:expr, $pid:expr) -> $retrieve_type:ty;
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} => {
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$(#[$attr])*
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fn $name(&mut self) -> Result<Vec<$retrieve_type>>;
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};
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{
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$(#[$attr:meta])*
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fn $name:ident($service:expr, $pid:expr, $map:expr) -> $retrieve_type:ty;
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} => {
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$(#[$attr])*
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fn $name(&mut self) -> Result<Vec<$retrieve_type>>;
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};
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{
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$(#[$attr:meta])*
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fn $name:ident<$retrieve_type:ty>($service:expr, $pid:expr, $map:expr) -> $out_type:ty;
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} => {
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$(#[$attr])*
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fn $name(&mut self) -> Result<Vec<$out_type>>;
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};
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}
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macro_rules! impl_func {
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{
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$(#[$attr:meta])*
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fn $name:ident($service:expr) -> $retrieve_type:ty;
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} => {
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fn $name(&mut self) -> Result<Vec<$retrieve_type>> {
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<$retrieve_type>::get_obd2_val_mode(self, $service)
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}
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};
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{
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$(#[$attr:meta])*
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fn $name:ident($service:expr, $pid:expr) -> $retrieve_type:ty;
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} => {
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fn $name(&mut self) -> Result<Vec<$retrieve_type>> {
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<$retrieve_type>::get_obd2_val(self, $service, $pid)
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}
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};
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{
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$(#[$attr:meta])*
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fn $name:ident($service:expr, $pid:expr, $map:expr) -> $retrieve_type:ty;
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} => {
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fn $name(&mut self) -> Result<Vec<$retrieve_type>> {
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$map(<$retrieve_type>::get_obd2_val(self, $service, $pid))
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}
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};
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{
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$(#[$attr:meta])*
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fn $name:ident<$retrieve_type:ty>($service:expr, $pid:expr, $map:expr) -> $out_type:ty;
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} => {
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fn $name(&mut self) -> Result<Vec<$out_type>> {
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Ok(
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<$retrieve_type>::get_obd2_val(self, $service, $pid)?
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.into_iter()
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.map(|v| $map(v.into()))
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.collect()
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)
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}
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};
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}
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macro_rules! func {
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{
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$(#[$attr:meta])*
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trait $trait_name:ident;
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$({
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$(
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$(#[$f_attr_inner:meta])*
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fn $f_name:ident($self:ident, $f_service:expr$(, $f_pid:expr)?) -> $f_output:ty
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$inside:block
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)+
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})?
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$(
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$(#[$attr_inner:meta])*
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fn $name:ident$(<$retrieve_type:ty>)?($service:expr$(, $pid:expr$(, $map:expr)?)?) -> $output:ty;
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)*
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} => {
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$(#[$attr])*
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pub trait $trait_name: private::Sealed {
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$($(
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$(#[$f_attr_inner])*
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fn $f_name(&mut self) -> $f_output;
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)+)?
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$(
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trait_func! {
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$(#[$attr_inner])*
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///
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#[doc=concat!(
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"Details: service ", $service,
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$(", PID ", $pid,)?
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", read type: `", decode_type!($output $(, $retrieve_type)?), "`"
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)]
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fn $name$(<$retrieve_type>)?($service$(, $pid$(, $map)?)?) -> $output;
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}
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)*
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}
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impl<T: Obd2Device> $trait_name for T {
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$($(
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fn $f_name(&mut $self) -> $f_output
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$inside
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)+)?
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$(
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impl_func! {
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$(#[$attr_inner])*
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fn $name$(<$retrieve_type>)?($service$(, $pid$(, $map)?)?) -> $output;
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}
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)*
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}
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};
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}
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macro_rules! decode_type {
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($_:ty, $t:ty) => {
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stringify!($t)
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};
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($t:ty) => {
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stringify!($t)
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};
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}
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