75 lines
2.3 KiB
Rust
75 lines
2.3 KiB
Rust
use std::{collections::HashMap, path::PathBuf};
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use crate::{Mod, ModFile};
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pub struct ConflictSolver<'a> {
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files: HashMap<PathBuf, (&'a ModFile, &'a Mod)>,
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}
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#[derive(Debug)]
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pub struct Conflict<'a> {
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rhs_mod: &'a Mod,
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lhs_mod: &'a Mod,
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rhs_file: &'a ModFile,
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lhs_file: &'a ModFile,
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}
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impl<'a> ConflictSolver<'a> {
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pub fn new() -> Self {
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Self {
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files: HashMap::new(),
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}
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}
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pub fn add_file(&mut self, file: &'a ModFile, from_mod: &'a Mod) -> Option<Conflict<'a>> {
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let path = &file.dest;
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match self.files.get(path) {
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Some((current_file, current_file_mod)) => {
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if from_mod == *current_file_mod {
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// File from the same mod
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// Check internal priority
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if file.internal_priority > current_file.internal_priority {
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self.files.insert(path.to_owned(), (file, from_mod));
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return None;
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}
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if file.internal_priority == current_file.internal_priority {
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// Same prio. We got a conflict.
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return Some(Conflict {
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rhs_mod: from_mod,
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lhs_mod: current_file_mod,
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rhs_file: file,
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lhs_file: current_file,
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});
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}
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}
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if from_mod.priority > current_file_mod.priority {
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self.files.insert(path.to_owned(), (file, from_mod));
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return None;
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}
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if from_mod.priority == current_file_mod.priority {
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// Different mod but priority the same. We got a conflict.
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return Some(Conflict {
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rhs_mod: from_mod,
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lhs_mod: current_file_mod,
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rhs_file: file,
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lhs_file: current_file,
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});
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}
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}
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None => {
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self.files.insert(path.to_owned(), (file, from_mod));
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}
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}
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None
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}
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pub fn export_files(&self) -> Vec<(&ModFile, &Mod)> {
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self.files.values().copied().collect()
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}
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}
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