1 files changed, 0 insertions, 127 deletions
diff --git a/src/metadata.rs b/src/metadata.rs
deleted file mode 100644
index 7692434..0000000
--- a/src/metadata.rs
+++ /dev/null
@@ -1,127 +0,0 @@
-use phosphor::Colour;
-
-
-pub fn parse_metadata(bytecode: &[u8]) -> Option<ProgramMetadata> {
-    MetadataParser::from_bytecode(bytecode).parse()
-}
-
-
-struct MetadataParser<'a> {
-    bytecode: &'a [u8],
-}
-
-impl<'a> MetadataParser<'a> {
-    pub fn from_bytecode(bytecode: &'a [u8]) -> Self {
-        Self { bytecode }
-    }
-
-    pub fn parse(self) -> Option<ProgramMetadata> {
-        macro_rules! array {
-            ($len:expr, $slice:expr) => {{
-                let mut array = [0; $len];
-                for i in 0..$len { array[i] = *$slice.get(i).unwrap_or(&0); }
-                array
-            }};
-        }
-
-        if self.range(0x00, 3) != &[0x41, 0x00, 0x20] {
-            return None;
-        }
-
-        let (name, version) = split_name_version(self.string(self.double(0x10)));
-        let authors = self.string(self.double(0x12)).map(|string| {
-            string.lines().map(|line| line.to_string()).collect()
-        });
-
-        Some( ProgramMetadata {
-            bedrock_string: array!(7, self.range(0x03, 7)),
-            program_memory_size: match self.double(0x0a) {
-                0 => 65536, double => double as usize },
-            working_stack_size: match self.byte(0x0c) {
-                0 => 256, byte => byte as usize },
-            return_stack_size: match self.byte(0x0d) {
-                0 => 256, byte => byte as usize },
-            required_devices: self.double(0x0e),
-            name,
-            version,
-            authors,
-            description: self.string(self.double(0x14)),
-            path_buffer: match self.double(0x16) {
-                0 => None, addr => Some(addr as usize) },
-            small_icon: match self.double(0x18) {
-                0 => None, addr => Some(array!(72, self.range(addr, 72))) },
-            large_icon: match self.double(0x1a) {
-                0 => None, addr => Some(array!(512, self.range(addr, 512))) },
-            bg_colour: parse_colour(self.double(0x1c)),
-            fg_colour: parse_colour(self.double(0x1e)),
-        } )
-    }
-
-    fn byte(&self, address: u16) -> u8 {
-        *self.bytecode.get(address as usize).unwrap_or(&0)
-    }
-
-    fn double(&self, address: u16) -> u16 {
-        u16::from_be_bytes([
-            *self.bytecode.get(address as usize).unwrap_or(&0),
-            *self.bytecode.get(address as usize + 1).unwrap_or(&0),
-        ])
-    }
-
-    fn range(&self, address: u16, length: usize) -> &[u8] {
-        let start = address as usize;
-        let end = start + length;
-        self.bytecode.get(start..end).unwrap_or(&[])
-    }
-
-    fn string(&self, address: u16) -> Option<String> {
-        if address == 0 { return None; }
-        let start = address as usize;
-        let mut end = start;
-        while let Some(byte) = self.bytecode.get(end) {
-            match byte { 0 => break, _ => end += 1 }
-        }
-        let range = self.bytecode.get(start..end)?;
-        Some( String::from_utf8_lossy(range).to_string() )
-    }
-}
-
-fn split_name_version(string: Option<String>) -> (Option<String>, Option<String>) {
-    if let Some(string) = string {
-        match string.split_once('/') {
-            Some((left, right)) => (Some(left.to_string()), Some(right.to_string())),
-            None => (Some(string), None),
-        }
-    } else {
-        (None, None)
-    }
-}
-
-fn parse_colour(double: u16) -> Option<Colour> {
-    let i = (double >> 12      ) as usize;
-    let r = (double >>  8 & 0xf) as u8 * 17;
-    let g = (double >>  4 & 0xf) as u8 * 17;
-    let b = (double       & 0xf) as u8 * 17;
-    match i {
-        0 => Some(Colour::from_rgb(r, g, b)),
-        _ => None,
-    }
-}
-
-
-pub struct ProgramMetadata {
-    pub bedrock_string: [u8; 7],
-    pub program_memory_size: usize,
-    pub working_stack_size: usize,
-    pub return_stack_size: usize,
-    pub required_devices: u16,
-    pub name: Option<String>,
-    pub version: Option<String>,
-    pub authors: Option<Vec<String>>,
-    pub description: Option<String>,
-    pub path_buffer: Option<usize>,
-    pub small_icon: Option<[u8; 72]>,
-    pub large_icon: Option<[u8; 512]>,
-    pub bg_colour: Option<Colour>,
-    pub fg_colour: Option<Colour>,
-}