refactor(php-shim): split lib.rs

1 files changed, 55 insertions, 0 deletions

diff --git a/crates/shirabe-php-shim/src/datetime.rs b/crates/shirabe-php-shim/src/datetime.rs
new file mode 100644
index 0000000..79c5ea2
--- /dev/null
+++ b/crates/shirabe-php-shim/src/datetime.rs
@@ -0,0 +1,55 @@
+static DEFAULT_TIMEZONE: std::sync::Mutex<Option<String>> = std::sync::Mutex::new(None);
+
+pub fn date_create<Tz: chrono::TimeZone>(s: &str) -> chrono::ParseResult<chrono::DateTime<Tz>> {
+    todo!()
+}
+
+/// PHP: \DATE_RFC3339 ("Y-m-d\TH:i:sP").
+pub const DATE_RFC3339: &str = "%Y-%m-%dT%H:%M:%S%:z";
+
+/// PHP: \DATE_ATOM (equivalent to \DATE_RFC3339).
+pub const DATE_ATOM: &str = DATE_RFC3339;
+
+/// Convert PHP-compatible date time format to strftime-compatible format.
+/// Only the patterns Composer actually passes are supported; anything else panics.
+pub fn date_format_to_strftime(format: &str) -> &'static str {
+    match format {
+        "Y-m-d H:i:s" => "%Y-%m-%d %H:%M:%S",
+        "Y-m-d" => "%Y-%m-%d",
+        "Ymd" => "%Y%m%d",
+        other => panic!("Unsupported PHP date format: {other:?}"),
+    }
+}
+
+pub fn strtotime(_time: &str) -> Option<i64> {
+    todo!()
+}
+
+pub fn time() -> i64 {
+    std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .unwrap()
+        .as_secs() as i64
+}
+
+pub fn microtime(_get_as_float: bool) -> f64 {
+    todo!()
+}
+
+// PHP defaults to "UTC" when no default timezone has been configured.
+pub fn date_default_timezone_get() -> String {
+    DEFAULT_TIMEZONE
+        .lock()
+        .unwrap()
+        .clone()
+        .unwrap_or_else(|| "UTC".to_string())
+}
+
+pub fn date_default_timezone_set(tz: &str) -> bool {
+    *DEFAULT_TIMEZONE.lock().unwrap() = Some(tz.to_string());
+    true
+}
+
+pub fn date(_format: &str, _timestamp: Option<i64>) -> String {
+    todo!()
+}