Merge pull request #141 from matthiasbeyer/libimagstore/add-storeid-iter

Libimagstore/add storeid iter

libimagstore/Cargo.toml

@@ -5,6 +5,7 @@ authors = ["Matthias Beyer <mail@beyermatthias.de>"]
 
 [dependencies]
 fs2 = "0.2.2"
+glob = "0.2.10"
 regex = "0.1.47"
 semver = "0.2"
 toml = "0.1.25"

libimagstore/src/lib.rs

@@ -1,5 +1,6 @@
 #[macro_use] extern crate version;
 extern crate fs2;
+extern crate glob;
 extern crate regex;
 extern crate toml;
 #[cfg(test)] extern crate tempdir;

libimagstore/src/store.rs

@@ -15,7 +15,7 @@ use regex::Regex;
 
 use error::{ParserErrorKind, ParserError};
 use error::{StoreError, StoreErrorKind};
-use storeid::StoreId;
+use storeid::{StoreId, StoreIdIterator};
 use lazyfile::LazyFile;
 
 /// The Result Type returned by any interaction with the store that could fail
@@ -140,6 +140,11 @@ impl Store {
             .and_then(|entry| Ok(FileLockEntry::new(self, entry, id)))
     }
 
+    /// Iterate over all StoreIds for one module name
+    pub fn retrieve_for_module(&self, mod_name: &str) -> StoreIdIterator {
+        unimplemented!();
+    }
+
     /// Return the `FileLockEntry` and write to disk
     pub fn update<'a>(&'a self, entry: FileLockEntry<'a>) -> Result<()> {
         self._update(&entry)

libimagstore/src/storeid.rs

@@ -1,4 +1,5 @@
 use std::path::PathBuf;
+use glob::Paths;
 
 /// The Index into the Store
 pub type StoreId = PathBuf;
@@ -63,6 +64,29 @@ macro_rules! module_entry_path_mod {
     )
 }
 
+pub struct StoreIdIterator {
+    paths: Paths,
+}
+
+impl StoreIdIterator {
+
+    pub fn new(paths: Paths) -> StoreIdIterator {
+        StoreIdIterator {
+            paths: paths,
+        }
+    }
+
+}
+
+impl Iterator for StoreIdIterator {
+    type Item = StoreId;
+
+    fn next(&mut self) -> Option<StoreId> {
+        self.paths.next().and_then(|o| o.ok())
+    }
+
+}
+
 #[cfg(test)]
 mod test {