Add from_str to Entry

libimagstore/src/error.rs

@@ -17,6 +17,7 @@ pub enum StoreErrorKind {
     OutOfMemory,
     FileNotFound,
     FileNotCreated,
+    IoError,
     StorePathExists,
     StorePathCreate,
     LockPoisoned,
@@ -33,6 +34,7 @@ fn store_error_type_as_str(e: &StoreErrorKind) -> &'static str {
         &StoreErrorKind::OutOfMemory     => "Out of Memory",
         &StoreErrorKind::FileNotFound    => "File corresponding to ID not found",
         &StoreErrorKind::FileNotCreated  => "File corresponding to ID could not be created",
+        &StoreErrorKind::IoError         => "File Error",
         &StoreErrorKind::StorePathExists => "Store path exists",
         &StoreErrorKind::StorePathCreate => "Store path create",
         &StoreErrorKind::LockPoisoned
@@ -113,6 +115,15 @@ impl From<ParserError> for StoreError {
     }
 }
 
+impl From<::std::io::Error> for StoreError {
+    fn from(ps: ::std::io::Error) -> StoreError {
+        StoreError {
+            err_type: StoreErrorKind::IoError,
+            cause: Some(Box::new(ps)),
+        }
+    }
+}
+
 #[derive(Clone)]
 pub enum ParserErrorKind {
     TOMLParserErrors,

libimagstore/src/store.rs

@@ -334,21 +334,24 @@ impl Entry {
     }
 
     fn from_file(loc: StoreId, file: &mut File) -> Result<Entry> {
+        let text = {
             use std::io::Read;
-        let file = {
-            let mut buff = String::new();
-            file.read_to_string(&mut buff);
-            buff
+            let mut s = String::new();
+            try!(file.read_to_string(&mut s));
+            s
         };
+        Self::from_str(loc, &text[..])
+    }
 
+    fn from_str(loc: StoreId, s: &str) -> Result<Entry> {
         let re = Regex::new(r"(?smx)
             ^---$
             (?P<header>.*) # Header
-            ^---$
+            ^---$\n
             (?P<content>.*) # Content
         ").unwrap();
 
-        let matches = re.captures(&file[..]);
+        let matches = re.captures(s);
 
         if matches.is_none() {
             return Err(StoreError::new(StoreErrorKind::MalformedEntry, None));
@@ -516,6 +519,25 @@ mod test {
 
         assert!(verify_header_consistency(header).is_ok());
     }
+
+    static TEST_ENTRY : &'static str = "---
+[imag]
+version = '0.0.3'
+---
+Hai";
+
+    #[test]
+    fn test_entry_from_str() {
+        use super::Entry;
+        use std::path::PathBuf;
+        println!("{}", TEST_ENTRY);
+        let entry = Entry::from_str(PathBuf::from("/test/foo~1.3"),
+                                    TEST_ENTRY).unwrap();
+
+        assert_eq!(entry.content, "Hai");
+    }
+
+
 }