Cargo.lock

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src/chunk.rs

@@ -2,7 +2,7 @@ use std::fmt::Display;
 use crc::Crc;
 
 use crate::chunk_type::ChunkType;
-#[derive(Debug)]
+
 pub struct Chunk {
     length:     u32,
     pub chunk_type: ChunkType,

src/png.rs

@@ -1,7 +1,7 @@
-use std::collections::VecDeque;
+use std::{collections::VecDeque, vec};
 use crc::Crc;
 
-use crate::{chunk::{self, Chunk}, chunk_type::{self, ChunkType}};
+use crate::{chunk::{self, Chunk}, chunk_type::ChunkType};
 
 
 struct Png {
@@ -24,25 +24,7 @@ impl Png {
     }
 
     fn remove_first_chunk(&mut self, chunk_type: &str) -> Result<Chunk, &'static str> {
-        let mut x = 0;
+        todo!()
-        let mut index = 0;
-
-        for chunk in &self.png_chunks {
-            x += 1;
-
-            if chunk.chunk_type.to_string() == *chunk_type.to_string() {
-                index = x - 1;
-                break;
-            } else {
-                continue;
-            }
-        }
-
-        if self.png_chunks[index].chunk_type.to_string() == *chunk_type.to_string() {
-            Ok(self.png_chunks.remove(index))
-        } else {
-            Err("Chunk not found")
-        }
     }
 
     fn header(&self) -> &[u8; 8] {
@@ -54,26 +36,7 @@ impl Png {
     }
 
     fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> {
-        let mut x = 0;
+        todo!()
-        let mut index = 0;
-
-        for chunk in &self.png_chunks {
-            x += 1;
-
-            if chunk.chunk_type.to_string() == *chunk_type.to_string() {
-                index = x - 1;
-                break;
-            } else {
-                continue;
-            }
-        }
-
-        if self.png_chunks[index].chunk_type.to_string() == *chunk_type.to_string() {
-            Some(&self.png_chunks[index])
-        } else {
-            None
-        }
-
     }
 
     fn as_bytes(&self) -> Vec<u8> {
@@ -192,10 +155,7 @@ impl TryFrom<&[u8]> for Png {
 
 impl std::fmt::Display for Png {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "signature: {:?}\nchunks (as bytes because i'm lazy): {:?}",
+        todo!()
-            self.png_signature,
-            self.png_chunks
-        )
     }
 }