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use std::borrow::Cow;
use log::debug;
use rar_common::{database::score::TaskScore, util::StorageMethod};
use serde::{
Deserialize,
de::{DeserializeSeed, IgnoredAny},
};
use crate::{
Cli,
finder::{
de::{
DTaskFinder, IdTask,
commands::DCommandListDeserializer,
cred::{CredData, CredFinderDeserializerReturn},
to_storage_m,
},
options::DPathOptions,
},
};
pub(super) struct TaskListFinderDeserializer<'a, 'b> {
pub(super) cli: &'a Cli,
/// The current user path
pub(super) env_path: &'a [&'a str],
/// spath is scoped only inside the deserialisation, useful for cbor
pub(super) spath: &'b mut DPathOptions<'a>,
}
impl<'de: 'a, 'a> DeserializeSeed<'de> for TaskListFinderDeserializer<'a, '_> {
type Value = Vec<DTaskFinder<'a>>;
fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
where
D: serde::Deserializer<'de>,
{
struct TaskListFinderVisitor<'a, 'b> {
cli: &'a Cli,
spath: &'b mut DPathOptions<'a>,
env_path: &'a [&'a str],
}
impl<'de: 'a, 'a> serde::de::Visitor<'de> for TaskListFinderVisitor<'a, '_> {
type Value = Vec<DTaskFinder<'a>>;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str("TaskList sequence")
}
fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
where
A: serde::de::SeqAccess<'de>,
{
let mut tasks = Vec::new();
let mut i = 0;
while let Some(element) = seq.next_element_seed(TaskFinderDeserializer {
cli: self.cli,
spath: self.spath,
env_path: self.env_path,
i,
})? {
if let Some(task) = element {
debug!("adding task {task:?}");
tasks.push(task);
i += 1;
}
}
Ok(tasks)
}
}
deserializer.deserialize_seq(TaskListFinderVisitor {
cli: self.cli,
spath: self.spath,
env_path: self.env_path,
})
}
}
struct TaskFinderDeserializer<'a, 'b> {
cli: &'a Cli,
i: usize,
/// The current user path
env_path: &'a [&'a str],
/// spath is scoped only inside the deserialisation, useful for cbor
spath: &'b mut DPathOptions<'a>,
}
impl<'de: 'a, 'a> DeserializeSeed<'de> for TaskFinderDeserializer<'a, '_> {
type Value = Option<DTaskFinder<'a>>;
#[allow(clippy::too_many_lines)]
fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
where
D: serde::Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(field_identifier, rename_all = "lowercase")]
#[repr(u8)]
enum Field<'a> {
#[serde(alias = "n")]
Name,
#[serde(alias = "i", alias = "credentials")]
Cred,
#[serde(alias = "c", alias = "cmds")]
Commands,
#[serde(alias = "o")]
Options,
#[serde(untagged, borrow)]
Unknown(Cow<'a, str>),
}
struct TaskFinderVisitor<'a, 'b> {
cli: &'a Cli,
i: usize,
env_path: &'a [&'a str],
spath: &'b mut DPathOptions<'a>,
storage_method: StorageMethod,
}
impl<'de: 'a, 'a> serde::de::Visitor<'de> for TaskFinderVisitor<'a, '_> {
type Value = Option<DTaskFinder<'a>>;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str("STask structure")
}
fn visit_map<V>(self, mut map: V) -> Result<Self::Value, V::Error>
where
V: serde::de::MapAccess<'de>,
{
// Use local temporaries for each field
let mut id = IdTask::Number(self.i);
let mut score = TaskScore::default();
let mut commands = None;
let mut options = None;
let mut final_path = None;
//let mut extra_values = HashMap::new();
let mut cred = CredData::default();
while let Some(key) = map.next_key()? {
match key {
Field::Options => {
debug!("TaskFinderVisitor: options");
if let Some(opt) = map.next_value()? {
options = Some(opt);
} else {
while map.next_entry::<IgnoredAny, IgnoredAny>()?.is_some() {}
return Ok(None);
}
/*if self.cli.info && opt.execinfo.is_some_and(|i| i.is_hide()) {
while map.next_entry::<IgnoredAny, IgnoredAny>()?.is_some() {}
return Ok(None);
}
// skip the task if env_override is required and not allowed
if self.cli.opt_filter.as_ref().is_some_and(|o| {
// we have a filter
o.env_behavior.as_ref().is_some_and(|_| {
// the filter overrides env behavior
opt.env.as_ref().is_some_and(|e| {
// the task specifies env options
e.override_behavior.is_some_and(|b| !b) // the task specifies override behavior and deny it
})
})
// in any other case, we cannot know if this task is valid or not (as we don't know the inherited env override value)
}) {
while map.next_entry::<IgnoredAny, IgnoredAny>()?.is_some() {}
return Ok(None);
}*/
}
Field::Name => {
debug!("TaskFinderVisitor: name");
let task_name = map.next_value()?;
if self
.cli
.opt_filter
.as_ref()
.and_then(|x| x.task.as_ref())
.is_some_and(|t| IdTask::Name(t.into()) != task_name)
{
while map.next_entry::<IgnoredAny, IgnoredAny>()?.is_some() {}
return Ok(None);
}
id = task_name;
}
Field::Cred => {
debug!("TaskFinderVisitor: cred");
let result = map
.next_value_seed(CredFinderDeserializerReturn { cli: self.cli })?;
if !result.ok {
while map.next_entry::<IgnoredAny, IgnoredAny>()?.is_some() {}
return Ok(None);
}
cred = result.cred;
score.setuser_min = result.score.setuser_min;
score.caps_min = result.score.caps_min;
}
Field::Commands => {
debug!("TaskFinderVisitor: commands");
// if json -> next_value (store)
// else -> next_value_seed -> use deserializer, thus highly optimizing
if self.storage_method.is_json() {
commands = Some(map.next_value()?);
} else {
map.next_value_seed(DCommandListDeserializer {
env_path: &self.spath.calc_path(self.env_path),
cmd_path: &self.cli.cmd_path,
cmd_args: &self.cli.cmd_args,
final_path: &mut final_path,
cmd_min: &mut score.cmd_min,
blocker: false,
})?;
}
}
Field::Unknown(_key) => {
debug!("TaskFinderVisitor: unknown");
let _ = map.next_value::<serde::de::IgnoredAny>()?;
}
}
}
debug!("TaskFinderVisitor: final_path {final_path:?}");
Ok(Some(DTaskFinder {
id,
score,
cred,
commands,
options,
final_path,
}))
}
}
let human_readable = deserializer.is_human_readable();
deserializer.deserialize_map(TaskFinderVisitor {
i: self.i,
cli: self.cli,
env_path: self.env_path,
spath: self.spath,
storage_method: to_storage_m(human_readable),
})
}
}
#[cfg(test)]
mod test {
use serde::de::DeserializeSeed;
use test_log::test;
use crate::{
Cli,
finder::{
de::{DCommandList, DTaskFinder, tasks::TaskFinderDeserializer},
options::DPathOptions,
},
};
#[test]
fn test_expecting_error() {
let seq = "[1, 2, 3]";
let int = "1";
let json = r#"{"unknown": "unknown"}"#;
let cli = Cli::builder().build();
let deserializer = TaskFinderDeserializer {
cli: &cli,
i: 0,
env_path: &[],
spath: &mut DPathOptions::default(),
};
let result: Result<Option<DTaskFinder<'_>>, serde_json::Error> =
deserializer.deserialize(&mut serde_json::Deserializer::from_str(json));
assert!(
result.is_ok(),
"Expected task with nothing in it, got: {result:?}"
);
let task = TaskFinderDeserializer {
cli: &cli,
i: 0,
env_path: &[],
spath: &mut DPathOptions::default(),
};
let result = task.deserialize(&mut serde_json::Deserializer::from_str(seq));
assert!(result.is_err(), "Expected error, got: {result:?}");
assert!(serde_json::from_str::<DCommandList>(int).is_err());
}
}