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-rw-r--r--lib/src/lib.rs65
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/src/lib.rs b/lib/src/lib.rs
new file mode 100644
index 0000000..666c727
--- /dev/null
+++ b/lib/src/lib.rs
@@ -0,0 +1,65 @@
+extern crate phf;
+extern crate flate2;
+
+use std::borrow::{Borrow, Cow};
+use std::io::{self, Cursor, Error, ErrorKind, Read};
+
+use flate2::FlateReadExt;
+
+pub enum Compression {
+ None,
+ Gzip,
+}
+
+/// Runtime access to the included files
+pub struct Files {
+ /// **Do not access this field, it is only public to allow for code generation!**
+ pub files: phf::Map<&'static str, (Compression, &'static [u8])>,
+}
+
+#[cfg(windows)]
+fn as_key(path: &str) -> Cow<str> {
+ Cow::Owned(path.replace("\\", "/"))
+}
+
+#[cfg(not(windows))]
+fn as_key(path: &str) -> Cow<str> {
+ Cow::Borrowed(path)
+}
+
+impl Files {
+ pub fn available(&self, path: &str) -> bool {
+ self.files.contains_key(path)
+ }
+
+ pub fn get(&self, path: &str) -> io::Result<Cow<'static, [u8]>> {
+ let key = as_key(path);
+ match self.files.get(key.borrow() as &str) {
+ Some(b) => {
+ match b.0 {
+ Compression::None => Ok(Cow::Borrowed(b.1)),
+ Compression::Gzip => {
+ let mut r = try!(Cursor::new(b.1).gz_decode());
+ let mut v = Vec::new();
+ try!(r.read_to_end(&mut v));
+ Ok(Cow::Owned(v))
+ }
+ }
+ }
+ None => Err(Error::new(ErrorKind::NotFound, "Key not found")),
+ }
+ }
+
+ pub fn read(&self, path: &str) -> io::Result<Box<Read>> {
+ let key = as_key(path);
+ match self.files.get(key.borrow() as &str) {
+ Some(b) => {
+ match b.0 {
+ Compression::None => Ok(Box::new(Cursor::new(b.1))),
+ Compression::Gzip => Ok(Box::new(try!(Cursor::new(b.1).gz_decode()))),
+ }
+ }
+ None => Err(Error::new(ErrorKind::NotFound, "Key not found")),
+ }
+ }
+}