Add missing report module

solast/src/report.rs

@@ -0,0 +1,73 @@
+use serde::{Deserialize, Serialize};
+use std::{collections::HashMap, fmt::Display, path::PathBuf};
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct Entry {
+    pub line: Option<usize>,
+    pub text: String,
+}
+
+impl Display for Entry {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}{}",
+            if let Some(line) = self.line.as_ref() {
+                format!("L{}: ", line)
+            } else {
+                String::new()
+            },
+            self.text,
+        )
+    }
+}
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+pub struct Report {
+    pub entries: HashMap<PathBuf, Vec<Entry>>,
+}
+
+impl Report {
+    pub fn add_entry<P: Into<PathBuf>, S: Into<String>>(
+        &mut self,
+        file: P,
+        line: Option<usize>,
+        text: S,
+    ) {
+        self.entries
+            .entry(file.into())
+            .or_insert_with(|| vec![])
+            .push(Entry {
+                line,
+                text: text.into(),
+            });
+    }
+
+    pub fn sort_entries(&mut self) {
+        self.entries.iter_mut().for_each(|(_, entries)| {
+            entries.sort_by(|a, b| {
+                a.line
+                    .unwrap_or_else(|| 0)
+                    .cmp(&b.line.unwrap_or_else(|| 0))
+            });
+        });
+    }
+}
+
+impl Display for Report {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        for (i, (path, entries)) in self.entries.iter().enumerate() {
+            if i > 0 {
+                writeln!(f)?;
+            }
+
+            writeln!(f, "{}:", path.to_string_lossy())?;
+
+            for entry in entries.iter() {
+                writeln!(f, "\t{entry}")?;
+            }
+        }
+
+        Ok(())
+    }
+}