From 60083b0a6dc76c890aa3684cf35e87340ebfae5e Mon Sep 17 00:00:00 2001
From: Will Hedgecock <will.hedgecock@gmail.com>
Date: Wed, 2 Oct 2024 12:46:59 -0500
Subject: [PATCH] Switch from libflate to miniz_oxide

---
 musicxml/Cargo.toml               |  3 +--
 musicxml/src/parser/zip_parser.rs | 16 +++++++---------
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/musicxml/Cargo.toml b/musicxml/Cargo.toml
index 64c74d0..ca9d45c 100644
--- a/musicxml/Cargo.toml
+++ b/musicxml/Cargo.toml
@@ -17,8 +17,7 @@ publish.workspace = true
 rustdoc-args = ["--extend-css", "assets/docs.css"]
 
 [dependencies]
-core2 = { version = "0.4", default-features = false }
-libflate = { version = "2.1", default-features = false }
+miniz_oxide = { version = "0.8", default-features = false, features = ["with-alloc"] }
 regex = { version = "1.10", default-features = false, features = ["perf-cache", "perf-dfa", "perf-onepass", "perf-backtrack", "perf-inline"] }
 musicxml_internal.workspace = true
 musicxml_macros.workspace = true
diff --git a/musicxml/src/parser/zip_parser.rs b/musicxml/src/parser/zip_parser.rs
index d0fabc6..63221d5 100644
--- a/musicxml/src/parser/zip_parser.rs
+++ b/musicxml/src/parser/zip_parser.rs
@@ -1,15 +1,14 @@
 #![allow(dead_code)]
 
 use alloc::{collections::BTreeMap, vec::Vec};
-use core2::io::Read;
-use libflate::deflate::Decoder;
+use miniz_oxide::inflate::decompress_to_vec;
 
 const DEFLATE_METHOD_CODE: u16 = 8;
 const LOCAL_FILE_HEADER_LEN: usize = core::mem::size_of::<LocalFileHeader>();
 const CENTRAL_FILE_HEADER_LEN: usize = core::mem::size_of::<CentralFileHeader>();
 const CENTRAL_DIR_END_LEN: usize = core::mem::size_of::<CentralDirEnd>();
 
-#[repr(packed)]
+#[repr(C, packed)]
 struct LocalFileHeader {
   signature: u32,
   version_needed_to_extract: u16,
@@ -34,7 +33,7 @@ impl LocalFileHeader {
   }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 struct CentralFileHeader {
   signature: u32,
   version_made_by: u16,
@@ -68,7 +67,7 @@ impl CentralFileHeader {
   }
 }
 
-#[repr(packed)]
+#[repr(C, packed)]
 struct CentralDirEnd {
   signature: u32,
   number_of_disk: u16,
@@ -233,14 +232,13 @@ impl<'a> ZipArchive<'a> {
   }
 
   pub fn read_file_to_string(&self, file_name: &str) -> Result<String, String> {
-    let mut decoded_data = Vec::new();
     let file = self
       .file_map
       .get(file_name)
       .ok_or(format!("File \"{file_name}\" not found within compressed archive"))?;
-    let mut decoder =
-      Decoder::new(&self.zip_data.content[file.relative_offset..(file.relative_offset + file.compressed_size)]);
-    decoder.read_to_end(&mut decoded_data).unwrap_or(0);
+    let decoded_data =
+      decompress_to_vec(&self.zip_data.content[file.relative_offset..(file.relative_offset + file.compressed_size)])
+        .map_err(|e| e.to_string())?;
     String::from_utf8(decoded_data).map_err(|e| e.to_string())
   }