From 5521b2ce6a80160d68c76319cbe55469b73b8e30 Mon Sep 17 00:00:00 2001
From: Caleb Gardner <calebq23@gmail.com>
Date: Sun, 3 May 2026 05:31:04 -0500
Subject: [PATCH] Started working on file extraction

---
 src/file.zig             |  1 +
 src/frag.zig             |  7 +++++++
 src/util/data_reader.zig | 20 ++++++++++++++++++++
 3 files changed, 28 insertions(+)
 create mode 100644 src/frag.zig
 create mode 100644 src/util/data_reader.zig

diff --git a/src/file.zig b/src/file.zig
index 1dda0a1..b54dd87 100644
--- a/src/file.zig
+++ b/src/file.zig
@@ -7,6 +7,7 @@ const Archive = @import("archive.zig");
 const DirEntry = @import("directory.zig");
 const ExtractionOptions = @import("options.zig");
 const Inode = @import("inode.zig");
+const DataExtractor = @import("util/data_extractor.zig");
 const MetadataReader = @import("util/metadata.zig");
 
 const File = @This();
diff --git a/src/frag.zig b/src/frag.zig
new file mode 100644
index 0000000..9333f24
--- /dev/null
+++ b/src/frag.zig
@@ -0,0 +1,7 @@
+const BlockSize = @import("inode_data/file.zig").BlockSize;
+
+pub const FragEntry = extern struct {
+    start: u64,
+    size: BlockSize,
+    _: u32,
+};
diff --git a/src/util/data_reader.zig b/src/util/data_reader.zig
new file mode 100644
index 0000000..15831f8
--- /dev/null
+++ b/src/util/data_reader.zig
@@ -0,0 +1,20 @@
+//! DataReader reads a regular file's data linearly from start to finish using Io.Reader interface.
+
+const std = @import("std");
+const Io = std.Io;
+
+const BlockSize = @import("../inode_data/file.zig").BlockSize;
+const Decompressor = @import("decompressor.zig");
+const OffsetFile = @import("offset_file.zig");
+
+const DataExtractor = @This();
+
+fil: OffsetFile,
+decomp: *const Decompressor,
+block_size: u32,
+
+file_size: u64,
+cur_offset: u64,
+blocks: []BlockSize,
+
+interface: Io.Reader,