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//! ref: composer/src/Composer/DependencyResolver/RuleSet.php
use indexmap::IndexMap;
use shirabe_php_shim::OutOfBoundsException;
use crate::dependency_resolver::pool::Pool;
use crate::dependency_resolver::request::Request;
use crate::dependency_resolver::rule::Rule;
use crate::dependency_resolver::rule_set_iterator::RuleSetIterator;
use crate::repository::repository_set::RepositorySet;
#[derive(Debug)]
pub struct RuleSet {
pub rule_by_id: IndexMap<i64, Box<dyn Rule>>,
pub(crate) rules: IndexMap<i64, Vec<Box<dyn Rule>>>,
pub(crate) next_rule_id: i64,
pub(crate) rules_by_hash: IndexMap<String, Vec<Box<dyn Rule>>>,
}
impl RuleSet {
pub const TYPE_PACKAGE: i64 = 0;
pub const TYPE_REQUEST: i64 = 1;
pub const TYPE_LEARNED: i64 = 4;
pub fn types() -> IndexMap<i64, &'static str> {
let mut map = IndexMap::new();
map.insert(Self::TYPE_PACKAGE, "PACKAGE");
map.insert(Self::TYPE_REQUEST, "REQUEST");
map.insert(Self::TYPE_LEARNED, "LEARNED");
map
}
pub fn new() -> Self {
let mut rules = IndexMap::new();
for type_ in Self::get_types_static() {
rules.insert(type_, vec![]);
}
Self {
rule_by_id: IndexMap::new(),
rules,
next_rule_id: 0,
rules_by_hash: IndexMap::new(),
}
}
fn get_types_static() -> Vec<i64> {
Self::types().into_keys().collect()
}
pub fn add(&mut self, rule: Box<dyn Rule>, r#type: i64) -> anyhow::Result<()> {
let types = Self::types();
if !types.contains_key(&r#type) {
return Err(OutOfBoundsException {
message: format!("Unknown rule type: {}", r#type),
code: 0,
}
.into());
}
let hash = rule.get_hash();
if let Some(potential_duplicates) = self.rules_by_hash.get(&hash) {
for potential_duplicate in potential_duplicates {
if rule.equals(potential_duplicate.as_ref()) {
return Ok(());
}
}
}
self.rules
.entry(r#type)
.or_insert_with(Vec::new)
.push(rule.clone());
rule.set_type(r#type);
self.rule_by_id.insert(self.next_rule_id, rule.clone());
self.next_rule_id += 1;
self.rules_by_hash
.entry(hash)
.or_insert_with(Vec::new)
.push(rule);
Ok(())
}
pub fn count(&self) -> i64 {
self.next_rule_id
}
pub fn rule_by_id(&self, id: i64) -> &dyn Rule {
&*self.rule_by_id[&id]
}
pub fn rule_by_id_mut(&mut self, id: i64) -> &mut dyn Rule {
&mut *self.rule_by_id.get_mut(&id).unwrap()
}
pub fn get_rules(&self) -> &IndexMap<i64, Vec<Box<dyn Rule>>> {
&self.rules
}
pub fn get_iterator(&self) -> RuleSetIterator {
// TODO(phase-b): same Rule-clone concern as get_iterator_for.
RuleSetIterator::new(IndexMap::new())
}
pub fn get_iterator_for(&self, types: Vec<i64>) -> RuleSetIterator {
// TODO(phase-b): Rule is a PHP class with shared ownership; should be Rc<dyn Rule>
// before this can compile. Returning an empty iterator placeholder for now.
let _ = (self, types);
RuleSetIterator::new(IndexMap::new())
}
pub fn get_iterator_without(&self, types: Vec<i64>) -> RuleSetIterator {
// TODO(phase-b): same as above; Box<dyn Rule> cannot be cloned.
let _ = (self, types);
RuleSetIterator::new(IndexMap::new())
}
pub fn get_types(&self) -> Vec<i64> {
Self::get_types_static()
}
pub fn get_pretty_string(
&self,
repository_set: Option<&RepositorySet>,
request: Option<&Request>,
pool: Option<&Pool>,
is_verbose: bool,
) -> String {
let types = Self::types();
let mut string = "\n".to_string();
for (r#type, rules) in &self.rules {
let type_name = types.get(r#type).copied().unwrap_or("");
string.push_str(&format!("{:<8}: ", type_name));
for rule in rules {
if repository_set.is_some() && request.is_some() && pool.is_some() {
string.push_str(&rule.get_pretty_string(
repository_set.unwrap(),
request.unwrap(),
pool.unwrap(),
is_verbose,
));
} else {
string.push_str(&rule.to_string());
}
string.push('\n');
}
string.push_str("\n\n");
}
string
}
}
impl std::fmt::Display for RuleSet {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.get_pretty_string(None, None, None, false))
}
}
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