Separate segments function in ogg_pager

Signed-off-by: Serial <69764315+Serial-ATA@users.noreply.github.com>

ogg_pager/src/error.rs

@@ -16,7 +16,7 @@ impl fmt::Display for PageError {
 		match self {
 			PageError::InvalidVersion => {
 				write!(f, "Invalid stream structure version (Should always be 0)")
-            }
+			},
 			PageError::BadSegmentCount => write!(f, "Page has a segment count < 1"),
 			PageError::MissingMagic => write!(f, "Page is missing a magic signature"),
 			PageError::Io(..) => write!(f, "Encountered an std::io::Error"),

ogg_pager/src/lib.rs

@@ -1,5 +1,5 @@
-mod error;
 mod crc;
+mod error;
 
 use std::io::{Read, Seek, SeekFrom};
 
@@ -40,29 +40,7 @@ impl Page {
 	}
 
 	pub fn segments(&self) -> Vec<u8> {
-        let len = self.content.len();
-
-        let mut last_len = (len % 255) as u8;
-        if last_len == 0 {
-            last_len = 255
-        }
-
-        let mut needed = len / 255;
-        if needed != 255 {
-            needed += 1
-        }
-
-        let mut segments = Vec::new();
-
-        for i in 0..needed {
-            if i + 1 < needed {
-                segments.push(255)
-            } else {
-                segments.push(last_len)
-            }
-        }
-
-        segments
+		segments(&*self.content)
 	}
 
 	pub fn read<V>(mut data: V) -> Result<Self>
@@ -122,3 +100,29 @@ impl Page {
 		self.checksum = crc::crc32(&*self.as_bytes());
 	}
 }
+
+pub fn segments(cont: &[u8]) -> Vec<u8> {
+	let len = cont.len();
+
+	let mut last_len = (len % 255) as u8;
+	if last_len == 0 {
+		last_len = 255
+	}
+
+	let mut needed = len / 255;
+	if needed != 255 {
+		needed += 1
+	}
+
+	let mut segments = Vec::new();
+
+	for i in 0..needed {
+		if i + 1 < needed {
+			segments.push(255)
+		} else {
+			segments.push(last_len)
+		}
+	}
+
+	segments
+}