refactor: rename the timezone module to offset

src/items/builder.rs

@@ -3,7 +3,7 @@
 
 use jiff::{civil, Span, Zoned};
 
-use super::{date, epoch, error, relative, time, timezone, weekday, year, Item};
+use super::{date, epoch, error, offset, relative, time, weekday, year, Item};
 
 /// The builder is used to construct a DateTime object from various components.
 /// The parser creates a `DateTimeBuilder` object with the parsed components,
@@ -17,7 +17,7 @@ pub(crate) struct DateTimeBuilder {
     date: Option<date::Date>,
     time: Option<time::Time>,
     weekday: Option<weekday::Weekday>,
-    timezone: Option<timezone::Offset>,
+    offset: Option<offset::Offset>,
     relative: Vec<relative::Relative>,
 }
 
@@ -41,7 +41,7 @@ impl DateTimeBuilder {
         } else if self.date.is_some()
             || self.time.is_some()
             || self.weekday.is_some()
-            || self.timezone.is_some()
+            || self.offset.is_some()
             || !self.relative.is_empty()
         {
             return Err("timestamp cannot be combined with other date/time items");
@@ -67,7 +67,7 @@ impl DateTimeBuilder {
             return Err("timestamp cannot be combined with other date/time items");
         } else if self.time.is_some() {
             return Err("time cannot appear more than once");
-        } else if self.timezone.is_some() && time.offset.is_some() {
+        } else if self.offset.is_some() && time.offset.is_some() {
             return Err("time offset and timezone are mutually exclusive");
         }
 
@@ -86,16 +86,16 @@ impl DateTimeBuilder {
         Ok(self)
     }
 
-    pub(super) fn set_timezone(mut self, timezone: timezone::Offset) -> Result<Self, &'static str> {
+    pub(super) fn set_offset(mut self, timezone: offset::Offset) -> Result<Self, &'static str> {
         if self.timestamp.is_some() {
             return Err("timestamp cannot be combined with other date/time items");
-        } else if self.timezone.is_some() {
-            return Err("timezone cannot appear more than once");
-        } else if self.time.as_ref().and_then(|t| t.offset.as_ref()).is_some() {
-            return Err("time offset and timezone are mutually exclusive");
+        } else if self.offset.is_some()
+            || self.time.as_ref().and_then(|t| t.offset.as_ref()).is_some()
+        {
+            return Err("time offset cannot appear more than once");
         }
 
-        self.timezone = Some(timezone);
+        self.offset = Some(timezone);
         Ok(self)
     }
 
@@ -162,7 +162,7 @@ impl DateTimeBuilder {
             && self.date.is_none()
             && self.time.is_none()
             && self.weekday.is_none()
-            && self.timezone.is_none()
+            && self.offset.is_none()
         {
             base
         } else {
@@ -239,7 +239,7 @@ impl DateTimeBuilder {
             })?;
         }
 
-        if let Some(offset) = self.timezone {
+        if let Some(offset) = self.offset {
             let (offset, hour_adjustment) = offset.normalize();
             dt = dt.checked_add(Span::new().hours(hour_adjustment))?;
             dt = dt.datetime().to_zoned((&offset).try_into()?)?;
@@ -262,7 +262,7 @@ impl TryFrom<Vec<Item>> for DateTimeBuilder {
                 Item::Date(d) => builder.set_date(d)?,
                 Item::Time(t) => builder.set_time(t)?,
                 Item::Weekday(weekday) => builder.set_weekday(weekday)?,
-                Item::TimeZone(tz) => builder.set_timezone(tz)?,
+                Item::Offset(offset) => builder.set_offset(offset)?,
                 Item::Relative(rel) => builder.push_relative(rel)?,
                 Item::Pure(pure) => builder.set_pure(pure)?,
             }

src/items/mod.rs

@@ -21,21 +21,21 @@
 //!  - [`combined`]
 //!  - [`date`]
 //!  - [`epoch`]
+//!  - [`offset`]
 //!  - [`pure`]
 //!  - [`relative`]
 //!  - [`time`]
-//!  - [`timezone`]
 //!  - [`weekday`]
 //!  - [`year`]
 
 // date and time items
 mod combined;
 mod date;
 mod epoch;
+mod offset;
 mod pure;
 mod relative;
 mod time;
-mod timezone;
 mod weekday;
 mod year;
 
@@ -66,7 +66,7 @@ enum Item {
     Time(time::Time),
     Weekday(weekday::Weekday),
     Relative(relative::Relative),
-    TimeZone(timezone::Offset),
+    Offset(offset::Offset),
     Pure(String),
 }
 
@@ -231,7 +231,7 @@ fn parse_item(input: &mut &str) -> ModalResult<Item> {
             time::parse.map(Item::Time),
             relative::parse.map(Item::Relative),
             weekday::parse.map(Item::Weekday),
-            timezone::parse.map(Item::TimeZone),
+            offset::parse.map(Item::Offset),
             pure::parse.map(Item::Pure),
         )),
     )
@@ -369,7 +369,7 @@ mod tests {
         assert!(result
             .unwrap_err()
             .to_string()
-            .contains("timezone cannot appear more than once"));
+            .contains("time offset cannot appear more than once"));
 
         let result = parse(&mut "2025-05-19 abcdef");
         assert!(result.is_err());

src/items/timezone.rs → src/items/offset.rs

@@ -1,7 +1,7 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
-//! Parse a timezone item.
+//! Parse an offset item.
 //!
 //! From the GNU docs:
 //!

src/items/time.rs

@@ -45,8 +45,8 @@ use winnow::{
 
 use super::{
     epoch::sec_and_nsec,
+    offset::{timezone_offset, Offset},
     primitive::{colon, ctx_err, dec_uint, s},
-    timezone::{timezone_offset, Offset},
 };
 
 #[derive(PartialEq, Clone, Debug, Default)]