From d33b2e158ea96fefd3be7d30916d137fed5e3e88 Mon Sep 17 00:00:00 2001
From: rhysd <lin90162@yahoo.co.jp>
Date: Fri, 21 Jul 2023 23:41:32 +0900
Subject: [PATCH] Replace unmaintained `encoding` with `encoding_rs`

---
 Cargo.lock     | 65 ++++----------------------------------------------
 Cargo.toml     |  2 +-
 src/printer.rs | 33 ++++++++++++-------------
 3 files changed, 21 insertions(+), 79 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 0d5264be..fa5b7e44 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -130,7 +130,7 @@ dependencies = [
  "console",
  "content_inspector",
  "dirs",
- "encoding",
+ "encoding_rs",
  "expect-test",
  "flate2",
  "git2",
@@ -383,69 +383,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
 
 [[package]]
-name = "encoding"
-version = "0.2.33"
+name = "encoding_rs"
+version = "0.8.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
+checksum = "071a31f4ee85403370b58aca746f01041ede6f0da2730960ad001edc2b71b394"
 dependencies = [
- "encoding-index-japanese",
- "encoding-index-korean",
- "encoding-index-simpchinese",
- "encoding-index-singlebyte",
- "encoding-index-tradchinese",
+ "cfg-if",
 ]
 
-[[package]]
-name = "encoding-index-japanese"
-version = "1.20141219.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
-dependencies = [
- "encoding_index_tests",
-]
-
-[[package]]
-name = "encoding-index-korean"
-version = "1.20141219.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dc33fb8e6bcba213fe2f14275f0963fd16f0a02c878e3095ecfdf5bee529d81"
-dependencies = [
- "encoding_index_tests",
-]
-
-[[package]]
-name = "encoding-index-simpchinese"
-version = "1.20141219.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d87a7194909b9118fc707194baa434a4e3b0fb6a5a757c73c3adb07aa25031f7"
-dependencies = [
- "encoding_index_tests",
-]
-
-[[package]]
-name = "encoding-index-singlebyte"
-version = "1.20141219.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
-dependencies = [
- "encoding_index_tests",
-]
-
-[[package]]
-name = "encoding-index-tradchinese"
-version = "1.20141219.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
-dependencies = [
- "encoding_index_tests",
-]
-
-[[package]]
-name = "encoding_index_tests"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
-
 [[package]]
 name = "errno"
 version = "0.3.3"
diff --git a/Cargo.toml b/Cargo.toml
index 2164f14d..1f8bc755 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,7 +49,6 @@ once_cell = "1.17"
 thiserror = "1.0"
 wild = { version = "2.1", optional = true }
 content_inspector = "0.2.4"
-encoding = "0.2"
 shell-words = { version = "1.1.0", optional = true }
 unicode-width = "0.1.10"
 globset = "0.4"
@@ -64,6 +63,7 @@ grep-cli = { version = "0.1.9", optional = true }
 regex = { version = "1.8.3", optional = true }
 walkdir = { version = "2.3", optional = true }
 bytesize = { version = "1.2.0" }
+encoding_rs = "0.8.32"
 
 [dependencies.git2]
 version = "0.18"
diff --git a/src/printer.rs b/src/printer.rs
index d46b23d1..28230f34 100644
--- a/src/printer.rs
+++ b/src/printer.rs
@@ -15,8 +15,7 @@ use syntect::parsing::SyntaxSet;
 
 use content_inspector::ContentType;
 
-use encoding::all::{UTF_16BE, UTF_16LE};
-use encoding::{DecoderTrap, Encoding};
+use encoding_rs::{UTF_16BE, UTF_16LE};
 
 use unicode_width::UnicodeWidthChar;
 
@@ -431,27 +430,25 @@ impl<'a> Printer for InteractivePrinter<'a> {
                 self.config.tab_width,
                 self.config.nonprintable_notation,
             )
+            .into()
         } else {
-            let line = match self.content_type {
+            match self.content_type {
                 Some(ContentType::BINARY) | None => {
                     return Ok(());
                 }
-                Some(ContentType::UTF_16LE) => UTF_16LE
-                    .decode(line_buffer, DecoderTrap::Replace)
-                    .map_err(|_| "Invalid UTF-16LE")?,
-                Some(ContentType::UTF_16BE) => UTF_16BE
-                    .decode(line_buffer, DecoderTrap::Replace)
-                    .map_err(|_| "Invalid UTF-16BE")?,
-                _ => String::from_utf8_lossy(line_buffer).to_string(),
-            };
-            // Remove byte order mark from the first line if it exists
-            if line_number == 1 {
-                match line.strip_prefix('\u{feff}') {
-                    Some(stripped) => stripped.to_string(),
-                    None => line,
+                Some(ContentType::UTF_16LE) => UTF_16LE.decode_with_bom_removal(line_buffer).0,
+                Some(ContentType::UTF_16BE) => UTF_16BE.decode_with_bom_removal(line_buffer).0,
+                _ => {
+                    let line = String::from_utf8_lossy(line_buffer);
+                    if line_number == 1 {
+                        match line.strip_prefix('\u{feff}') {
+                            Some(stripped) => stripped.to_string().into(),
+                            None => line,
+                        }
+                    } else {
+                        line
+                    }
                 }
-            } else {
-                line
             }
         };