1 files changed, 113 insertions, 0 deletions
diff --git a/crates/shirabe-symfony-console/src/question/confirmation_question.rs b/crates/shirabe-symfony-console/src/question/confirmation_question.rs
new file mode 100644
index 00000000..34db281b
--- /dev/null
+++ b/crates/shirabe-symfony-console/src/question/confirmation_question.rs
@@ -0,0 +1,113 @@
+//! ref: composer/vendor/symfony/console/Question/ConfirmationQuestion.php
+
+use crate::exception::invalid_argument_exception::InvalidArgumentException;
+use crate::question::Question;
+use crate::question::QuestionInterface;
+use shirabe_php_shim::PhpMixed;
+
+/// Represents a yes/no question.
+#[derive(Debug)]
+pub struct ConfirmationQuestion {
+    inner: Question,
+    true_answer_regex: String,
+}
+
+impl ConfirmationQuestion {
+    /// `$question` The question to ask to the user.
+    /// `$default` The default answer to return, true or false.
+    /// `$trueAnswerRegex` A regex to match the "yes" answer.
+    pub fn new(question: String, default: bool, true_answer_regex: String) -> Self {
+        let mut this = Self {
+            inner: Question::new(question, Some(PhpMixed::Bool(default))),
+            true_answer_regex,
+        };
+
+        let normalizer = this.get_default_normalizer();
+        this.inner.set_normalizer(normalizer);
+
+        this
+    }
+
+    /// Returns the default answer normalizer.
+    fn get_default_normalizer(&self) -> Box<dyn Fn(PhpMixed) -> PhpMixed> {
+        let default = self.inner.get_default();
+        let regex = self.true_answer_regex.clone();
+
+        Box::new(move |answer: PhpMixed| {
+            if let PhpMixed::Bool(_) = answer {
+                return answer;
+            }
+
+            let answer_is_true = {
+                let mut matches: Vec<Option<String>> = Vec::new();
+                shirabe_php_shim::preg_match(
+                    &regex,
+                    &shirabe_php_shim::strval(&answer),
+                    &mut matches,
+                )
+            };
+
+            // false === $default
+            if matches!(default, PhpMixed::Bool(false)) {
+                // $answer && $answerIsTrue
+                return PhpMixed::Bool(!shirabe_php_shim::empty(&answer) && answer_is_true);
+            }
+
+            // '' === $answer || $answerIsTrue
+            let answer_is_empty_string = matches!(&answer, PhpMixed::String(s) if s.is_empty());
+            PhpMixed::Bool(answer_is_empty_string || answer_is_true)
+        })
+    }
+}
+
+impl QuestionInterface for ConfirmationQuestion {
+    fn get_question(&self) -> &str {
+        self.inner.get_question()
+    }
+
+    fn get_default(&self) -> PhpMixed {
+        self.inner.get_default()
+    }
+
+    fn is_multiline(&self) -> bool {
+        self.inner.is_multiline()
+    }
+
+    fn is_hidden(&self) -> bool {
+        self.inner.is_hidden()
+    }
+
+    fn is_hidden_fallback(&self) -> bool {
+        self.inner.is_hidden_fallback()
+    }
+
+    fn get_autocompleter_values(&self) -> Option<Vec<PhpMixed>> {
+        self.inner.get_autocompleter_values()
+    }
+
+    fn get_autocompleter_callback(&self) -> Option<&dyn Fn(&str) -> Option<Vec<PhpMixed>>> {
+        self.inner.get_autocompleter_callback()
+    }
+
+    fn get_validator(
+        &self,
+    ) -> Option<&dyn Fn(Option<PhpMixed>) -> Result<PhpMixed, InvalidArgumentException>> {
+        self.inner.get_validator()
+    }
+
+    fn get_max_attempts(&self) -> Option<i64> {
+        self.inner.get_max_attempts()
+    }
+
+    fn get_normalizer(&self) -> Option<&dyn Fn(PhpMixed) -> PhpMixed> {
+        self.inner.get_normalizer()
+    }
+
+    fn is_trimmable(&self) -> bool {
+        self.inner.is_trimmable()
+    }
+
+    fn as_confirmation(&self) -> Option<&ConfirmationQuestion> {
+        Some(self)
+    }
+}