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use std::collections::HashMap;
// // TODO
// pub struct EvaluateOptions {
// numeric: HashMap<String, Box<f64>>,
// textual: HashMap<String, String>,
// boolean: HashMap<String, Box<bool>>
// }
// // TODO
// pub struct IntermediateHooks {
// before_evaulate_triggers: Vec<String>,
// after_evaulate_triggers: Vec<String>
// }
#[derive(Debug)]
pub struct FilePatternOptions {
pub exclude_patterns: Vec<String>,
pub skip_files: Vec<String>,
pub extensions: Vec<String>,
}
fn read_yaml(file: &str) -> Result<serde_yaml::Value, Box<dyn std::error::Error>> {
let f = std::fs::File::open(file)?;
Ok(serde_yaml::from_reader(f)?)
}
pub fn parse(
file: &str,
) -> (
HashMap<String, Box<f64>>,
HashMap<String, String>,
HashMap<String, Box<bool>>,
Vec<String>,
Vec<String>,
FilePatternOptions,
) {
let yaml_file = read_yaml(file).unwrap();
// options that can be represented as a number
let mut number_options: HashMap<String, Box<f64>> = HashMap::new();
// options that can be represented as text
let mut text_options: HashMap<String, String> = HashMap::new();
// options that can be represented as boolean
let mut bool_options: HashMap<String, Box<bool>> = HashMap::new();
// trigger before evaluate
let mut before_evaulate_triggers: Vec<String> = Vec::new();
// trigger after evaluate
let mut after_evaluate_triggers: Vec<String> = Vec::new();
// options that fit in a vector
let mut exclude_patterns: Vec<String> = Vec::new();
let mut skip_files: Vec<String> = Vec::new();
let mut extensions: Vec<String> = Vec::new();
// parsing the standard sections
for section in vec!["load_options", "preprocess", "evaluate"].iter() {
for feature in yaml_file[section].as_sequence().iter() {
for entities in feature.iter() {
let load_option: serde_yaml::Value = serde_yaml::to_value(entities).unwrap();
if let serde_yaml::Value::Mapping(options) = load_option {
for option in options.iter() {
match option {
(serde_yaml::Value::String(key), serde_yaml::Value::Number(val)) => {
number_options
.insert(key.to_string(), Box::new(val.as_f64().unwrap()));
}
(serde_yaml::Value::String(key), serde_yaml::Value::String(val)) => {
text_options.insert(key.to_string(), val.to_string());
}
(serde_yaml::Value::String(key), serde_yaml::Value::Bool(val)) => {
bool_options.insert(key.to_string(), Box::new(*val));
}
(serde_yaml::Value::String(key), serde_yaml::Value::Sequence(seq)) => {
match key.as_str() {
"exclude_patterns" => {
seq.iter()
.filter_map(|d| match d {
serde_yaml::Value::String(string) => {
Some(string.to_owned())
}
_ => None,
})
.collect::<Vec<String>>()
.as_slice()
.clone_into(&mut exclude_patterns);
}
"skip" => {
seq.iter()
.filter_map(|d| match d {
serde_yaml::Value::String(string) => {
Some(string.to_owned())
}
_ => None,
})
.collect::<Vec<String>>()
.as_slice()
.clone_into(&mut skip_files);
}
"extensions" => {
seq.iter()
.filter_map(|d| match d {
serde_yaml::Value::String(string) => {
Some(string.to_owned())
}
_ => None,
})
.collect::<Vec<String>>()
.as_slice()
.clone_into(&mut extensions);
}
_ => {}
}
}
_ => panic!(
"yaml contains values that are unknown in this context: {:?}",
option
),
}
}
}
}
}
}
// parsing the "before_evaluate" section for subcommands to run
for commands in yaml_file["before_evaluate"].as_sequence().iter() {
for command in commands.iter() {
if let serde_yaml::Value::String(cmd) = command {
before_evaulate_triggers.push(cmd.to_string());
}
}
}
// parsing the "after_evaluate" section for subcommands to run
for commands in yaml_file["after_evaluate"].as_sequence().iter() {
for command in commands.iter() {
if let serde_yaml::Value::String(cmd) = command {
after_evaluate_triggers.push(cmd.to_string());
}
}
}
// getting the method section
for commands in yaml_file["method"].as_sequence().iter() {
for command in commands.iter() {
if let serde_yaml::Value::String(cmd) = command {
match cmd.to_string().as_str() {
"fft" => {
text_options.insert(String::from("methodname"), String::from("FFTMethod"))
}
"wft" => {
text_options.insert(String::from("methodname"), String::from("WFTMethod"))
}
"mm" => text_options
.insert(String::from("methodname"), String::from("MinMaxMethod")),
_ => panic!("method named {:?} is not implemented", cmd),
};
}
}
}
for commands in yaml_file["method_details"].as_sequence().iter() {
for command in commands.iter() {
match command {
serde_yaml::Value::String(cmd) => {
bool_options.insert(cmd.to_string(), Box::new(true));
}
serde_yaml::Value::Mapping(options) => {
for option in options.iter() {
match option {
(serde_yaml::Value::String(key), serde_yaml::Value::Number(val)) => {
number_options
.insert(key.to_string(), Box::new(val.as_f64().unwrap()));
}
(serde_yaml::Value::String(key), serde_yaml::Value::String(val)) => {
text_options.insert(key.to_string(), val.to_string());
}
(serde_yaml::Value::String(key), serde_yaml::Value::Bool(val)) => {
bool_options.insert(key.to_string(), Box::new(*val));
}
_ => panic!(
"yaml contains values that are unknown in this context: {:?}",
option
),
}
}
}
_ => {}
}
}
}
(
number_options,
text_options,
bool_options,
before_evaulate_triggers,
after_evaluate_triggers,
FilePatternOptions {
exclude_patterns,
skip_files,
extensions,
},
)
}