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//! ref: composer/src/Composer/DependencyResolver/MultiConflictRule.php
use crate::dependency_resolver::generic_rule::RuleLiterals;
use crate::dependency_resolver::rule::Rule;
use anyhow::Result;
use shirabe_php_shim::{PHP_VERSION_ID, RuntimeException, hash_raw};
#[derive(Debug)]
pub struct MultiConflictRule {
inner: Rule,
pub(crate) literals: Vec<i64>,
}
impl MultiConflictRule {
pub fn new(
mut literals: Vec<i64>,
reason: shirabe_php_shim::PhpMixed,
reason_data: shirabe_php_shim::PhpMixed,
) -> Result<Self> {
if literals.len() < 3 {
return Err(RuntimeException {
message: "multi conflict rule requires at least 3 literals".to_string(),
code: 0,
}
.into());
}
// sort all packages ascending by id
literals.sort();
Ok(Self {
inner: Rule::new(reason, reason_data),
literals,
})
}
pub fn get_literals(&self) -> &Vec<i64> {
&self.literals
}
pub fn get_hash(&self) -> Result<i64> {
let joined = self
.literals
.iter()
.map(|l| l.to_string())
.collect::<Vec<_>>()
.join(",");
let algo = if PHP_VERSION_ID > 80100 {
"xxh3"
} else {
"sha1"
};
let binary = hash_raw(algo, &format!("c:{}", joined));
let data = shirabe_php_shim::unpack("ihash", &binary);
match data {
Some(map) => {
if let Some(val) = map.get("hash") {
Ok(val.as_int().unwrap_or(0))
} else {
Err(RuntimeException {
message: format!("Failed unpacking: {}", joined),
code: 0,
}
.into())
}
}
None => Err(RuntimeException {
message: format!("Failed unpacking: {}", joined),
code: 0,
}
.into()),
}
}
pub fn equals(&self, rule: &dyn RuleLiterals) -> bool {
// PHP: if ($rule instanceof MultiConflictRule) { ... } return false;
// Phase A: instanceof check not representable via RuleLiterals trait; literals-only comparison used
self.literals == *rule.get_literals()
}
pub fn is_assertion(&self) -> bool {
false
}
pub fn disable(&mut self) -> Result<()> {
Err(RuntimeException {
message: "Disabling multi conflict rules is not possible. Please contact composer at https://github.com/composer/composer to let us debug what lead to this situation.".to_string(),
code: 0,
}.into())
}
pub fn to_string(&self) -> String {
let mut result = if self.inner.is_disabled() {
"disabled(multi(".to_string()
} else {
"(multi(".to_string()
};
// TODO multi conflict?
for (i, literal) in self.literals.iter().enumerate() {
if i != 0 {
result.push('|');
}
result.push_str(&literal.to_string());
}
result.push_str("))");
result
}
}
impl RuleLiterals for MultiConflictRule {
fn get_literals(&self) -> &Vec<i64> {
&self.literals
}
fn is_multi_conflict_rule(&self) -> bool {
true
}
}
|
