chore(shirabe): remove ports of PHP @deprecated APIs

Composer does not use its own deprecated APIs internally, so drop their
Rust ports: whole deprecated classes, methods, constants, and field.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

3 files changed, 0 insertions, 129 deletions

diff --git a/crates/shirabe/src/json/json_file.rs b/crates/shirabe/src/json/json_file.rs
index 0aa44fc..b8372b9 100644
--- a/crates/shirabe/src/json/json_file.rs
+++ b/crates/shirabe/src/json/json_file.rs
@@ -87,13 +87,6 @@ impl JsonFile {
     pub const AUTH_SCHEMA: i64 = 3;
     pub const LOCK_SCHEMA: i64 = 4;
 
-    /// @deprecated Use \JSON_UNESCAPED_SLASHES
-    pub const JSON_UNESCAPED_SLASHES: i64 = 64;
-    /// @deprecated Use \JSON_PRETTY_PRINT
-    pub const JSON_PRETTY_PRINT: i64 = 128;
-    /// @deprecated Use \JSON_UNESCAPED_UNICODE
-    pub const JSON_UNESCAPED_UNICODE: i64 = 256;
-
     pub const INDENT_DEFAULT: &'static str = "    ";
 
     /// PHP: __DIR__ . '/../../../res/composer-schema.json'
diff --git a/crates/shirabe/src/json/json_formatter.rs b/crates/shirabe/src/json/json_formatter.rs
deleted file mode 100644
index 260bf1e..0000000
--- a/crates/shirabe/src/json/json_formatter.rs
+++ /dev/null
@@ -1,120 +0,0 @@
-//! ref: composer/src/Composer/Json/JsonFormatter.php
-
-use shirabe_external_packages::composer::pcre::{CaptureKey, Preg};
-use shirabe_php_shim::{PhpMixed, function_exists, mb_convert_encoding, pack};
-
-pub struct JsonFormatter;
-
-impl JsonFormatter {
-    /**
-     * This code is based on the function found at:
-     *  http://recursive-design.com/blog/2008/03/11/format-json-with-php/
-     *
-     * Originally licensed under MIT by Dave Perrett <mail@recursive-design.com>
-     */
-    pub fn format(json: String, unescape_unicode: bool, unescape_slashes: bool) -> String {
-        let mut result = String::new();
-        let mut pos: usize = 0;
-        let indent_str = "    ";
-        let new_line = "\n";
-        let mut out_of_quotes = true;
-        let mut buffer = String::new();
-        let mut noescape = true;
-
-        let chars: Vec<char> = json.chars().collect();
-        let str_len = chars.len();
-
-        for i in 0..str_len {
-            let char_ = chars[i];
-
-            if char_ == '"' && noescape {
-                out_of_quotes = !out_of_quotes;
-            }
-
-            if !out_of_quotes {
-                buffer.push(char_);
-                noescape = if char_ == '\\' { !noescape } else { true };
-                continue;
-            }
-            if !buffer.is_empty() {
-                if unescape_slashes {
-                    buffer = buffer.replace("\\/", "/");
-                }
-
-                if unescape_unicode && function_exists("mb_convert_encoding") {
-                    buffer = Preg::replace_callback(
-                        r"/(\\+)u([0-9a-f]{4})/i",
-                        |matches: &indexmap::IndexMap<CaptureKey, String>| -> String {
-                            let m0 = matches
-                                .get(&CaptureKey::ByIndex(0))
-                                .cloned()
-                                .unwrap_or_default();
-                            let m1 = matches
-                                .get(&CaptureKey::ByIndex(1))
-                                .cloned()
-                                .unwrap_or_default();
-                            let m2 = matches
-                                .get(&CaptureKey::ByIndex(2))
-                                .cloned()
-                                .unwrap_or_default();
-                            let l = m1.len();
-
-                            if l % 2 != 0 {
-                                let code = i64::from_str_radix(&m2, 16).unwrap_or(0);
-                                if code >= 0xD800 && code <= 0xDFFF {
-                                    return m0;
-                                }
-
-                                return "\\".repeat(l - 1)
-                                    + &mb_convert_encoding(
-                                        pack("H*", &[PhpMixed::String(m2)]),
-                                        "UTF-8",
-                                        "UCS-2BE",
-                                    );
-                            }
-
-                            m0
-                        },
-                        &buffer,
-                    )
-                    .unwrap_or(buffer);
-                }
-
-                result.push_str(&buffer);
-                result.push(char_);
-                buffer = String::new();
-                continue;
-            }
-
-            let mut char_str = char_.to_string();
-
-            if char_ == ':' {
-                char_str.push(' ');
-            } else if char_ == '}' || char_ == ']' {
-                pos -= 1;
-                let prev_char = if i > 0 { chars[i - 1] } else { '\0' };
-
-                if prev_char != '{' && prev_char != '[' {
-                    result.push_str(new_line);
-                    result.push_str(&indent_str.repeat(pos));
-                } else {
-                    result = result.trim_end().to_string();
-                }
-            }
-
-            result.push_str(&char_str);
-
-            if char_ == ',' || char_ == '{' || char_ == '[' {
-                result.push_str(new_line);
-
-                if char_ == '{' || char_ == '[' {
-                    pos += 1;
-                }
-
-                result.push_str(&indent_str.repeat(pos));
-            }
-        }
-
-        result
-    }
-}
diff --git a/crates/shirabe/src/json/mod.rs b/crates/shirabe/src/json/mod.rs
index 0863529..36b5b6d 100644
--- a/crates/shirabe/src/json/mod.rs
+++ b/crates/shirabe/src/json/mod.rs
@@ -1,9 +1,7 @@
 pub mod json_file;
-pub mod json_formatter;
 pub mod json_manipulator;
 pub mod json_validation_exception;
 
 pub use json_file::*;
-pub use json_formatter::*;
 pub use json_manipulator::*;
 pub use json_validation_exception::*;