feat(pcre): implement Preg class

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

1 files changed, 29 insertions, 0 deletions

diff --git a/crates/shirabe-external-packages/src/composer/pcre/unexpected_null_match_exception.rs b/crates/shirabe-external-packages/src/composer/pcre/unexpected_null_match_exception.rs
new file mode 100644
index 0000000..513870c
--- /dev/null
+++ b/crates/shirabe-external-packages/src/composer/pcre/unexpected_null_match_exception.rs
@@ -0,0 +1,29 @@
+//! ref: composer/vendor/composer/pcre/src/UnexpectedNullMatchException.php
+
+use super::pcre_exception::PcreException;
+
+#[derive(Debug)]
+pub struct UnexpectedNullMatchException(pub PcreException);
+
+impl UnexpectedNullMatchException {
+    pub fn new(message: String) -> UnexpectedNullMatchException {
+        UnexpectedNullMatchException(PcreException(shirabe_php_shim::RuntimeException {
+            message,
+            code: 0,
+        }))
+    }
+
+    pub fn from_function(_function: &str, _pattern: &str) -> UnexpectedNullMatchException {
+        panic!(
+            "fromFunction should not be called on UnexpectedNullMatchException, use PcreException"
+        );
+    }
+}
+
+impl std::fmt::Display for UnexpectedNullMatchException {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
+impl std::error::Error for UnexpectedNullMatchException {}