Rust crate for geo coord parsing
https://crates.io/crates/latlon
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829 lines
21 KiB
829 lines
21 KiB
#[macro_use]
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extern crate lazy_static;
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// re-export Point so `geo_types` do not have to be added as a dependency
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// to store the `parse()` function's result.
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pub use geo_types::Point;
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use regex::Regex;
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use std::convert::TryFrom;
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use std::fmt::Display;
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use std::num::ParseFloatError;
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#[cfg(test)]
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mod tests;
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mod errors;
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pub use crate::errors::GeoParseError;
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use crate::errors::ParseErrorInternal;
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// Two-sided patterns
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lazy_static! {
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// 40° 26′ 46″ N 79° 58′ 56″ W
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static ref RE_DMS_NS_DMS_EW: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,2})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?\s*
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(N|S)
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\s*
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[,;]?
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\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?\s*
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(E|W)
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$
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"#).unwrap();
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// N 40° 26′ 46″ W 79° 58′ 56″
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static ref RE_NS_DMS_EW_DMS: Regex = Regex::new(r#"(?x)
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^
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(N|S)\s*
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(-?\d{1,2})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?
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\s*
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[,;]?
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\s*
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(E|W)\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?
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$
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"#).unwrap();
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// 40° 26′ 46″ 79° 58′ 56″
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static ref RE_DMS_DMS: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,2})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?\s*
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[,;]?
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\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?
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$
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"#).unwrap();
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// 40° 26.767' N 79° 58.933' W
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static ref RE_DM_NS_DM_EW: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,2})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?\s*
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(N|S)
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\s*
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[,;]?
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\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?\s*
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(E|W)
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$
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"#).unwrap();
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// N 40° 26.767' W 79° 58.933'
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static ref RE_NS_DM_EW_DM: Regex = Regex::new(r#"(?x)
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^
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(N|S)\s*
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(-?\d{1,2})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?
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\s*
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[,;]?
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\s*
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(E|W)\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?
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$
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"#).unwrap();
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// 40° 26.767' 79° 58.933'
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static ref RE_DM_DM: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,2})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?
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\s*
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[,;]?
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\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?
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$
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"#).unwrap();
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// N 40.446° W 79.982°
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static ref RE_NS_D_EW_D: Regex = Regex::new(r#"(?x)
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^
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(N|S)\s*
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(-?\d{1,2}(?:[.,]\d+)?)°?
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\s*
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[,;]?
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\s*
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(E|W)\s*
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(-?\d{1,3}(?:[.,]\d+)?)°?
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$
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"#).unwrap();
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// 40.446° N 79.982° W
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static ref RE_D_NS_D_EW: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,2}(?:[.,]\d+)?)°?\s*
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(N|S)\s*
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[,;]?
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\s*
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(-?\d{1,3}(?:[.,]\d+)?)°?\s*
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(E|W)
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$
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"#).unwrap();
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// 40.446° 79.982°
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static ref RE_D_D: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,2}(?:[.,]\d+)?)(?:°\s*[,;]?\s*|\s*[,;]\s*|\s+)
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(-?\d{1,3}(?:[.,]\d+)?)°?
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$
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"#).unwrap();
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}
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// One-sided patterns
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lazy_static! {
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// 40° 26′ 46″ N
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static ref RE_DMS_NSEW: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?\s*
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(N|S|E|W)
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$
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"#).unwrap();
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// N 40° 26′ 46″
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static ref RE_NSEW_DMS: Regex = Regex::new(r#"(?x)
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^
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(N|S|E|W)\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?
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$
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"#).unwrap();
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// 40° 26′ 46″
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static ref RE_DMS: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2})(?:[’'′‘‛]\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[″”"“]?\s*
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$
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"#).unwrap();
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// 40° 26.767' N
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static ref RE_DM_NSEW: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?\s*
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(N|S|E|W)
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$
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"#).unwrap();
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// N 40° 26.767'
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static ref RE_NSEW_DM: Regex = Regex::new(r#"(?x)
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^
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(N|S|E|W)\s*
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?
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$
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"#).unwrap();
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// 40° 26.767'
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static ref RE_DM: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,3})(?:°\s*|\s+)
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(\d{1,2}(?:[.,]\d+)?)[’'′‘‛]?
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$
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"#).unwrap();
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// N 40.446°
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static ref RE_NSEW_D: Regex = Regex::new(r#"(?x)
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^
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(N|S|E|W)\s*
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(-?\d{1,3}(?:[.,]\d+)?)°?
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$
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"#).unwrap();
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// 40.446° N
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static ref RE_D_NSEW: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,3}(?:[.,]\d+)?)°?\s*
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(N|S|E|W)
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$
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"#).unwrap();
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// 40.446°
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static ref RE_D: Regex = Regex::new(r#"(?x)
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^
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(-?\d{1,3}(?:[.,]\d+)?)°?
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$
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"#).unwrap();
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}
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/// Parsed degrees, minutes, seconds
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#[derive(Debug, Clone)]
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struct DMS {
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d: f64,
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m: f64,
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s: f64,
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}
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// North / South
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#[derive(Debug, Clone, Copy, Eq, PartialEq)]
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enum NS {
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North,
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South,
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}
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impl NS {
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/// Get the opposite
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fn invert(self) -> NS {
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match self {
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NS::North => NS::South,
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NS::South => NS::North,
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}
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}
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}
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// Parsing from string
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impl<'a> TryFrom<&str> for NS {
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type Error = ParseErrorInternal;
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fn try_from(value: &str) -> Result<Self, ParseErrorInternal> {
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match value {
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"N" => Ok(NS::North),
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"S" => Ok(NS::South),
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_ => Err(ParseErrorInternal),
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}
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}
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}
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/// East / West
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#[derive(Debug, Clone, Copy, Eq, PartialEq)]
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enum EW {
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East,
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West,
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}
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impl EW {
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fn invert(self) -> EW {
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match self {
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EW::East => EW::West,
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EW::West => EW::East,
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}
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}
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}
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// Parsing from string
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impl<'a> TryFrom<&str> for EW {
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type Error = ParseErrorInternal;
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fn try_from(value: &str) -> Result<Self, ParseErrorInternal> {
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match value {
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"E" => Ok(EW::East),
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"W" => Ok(EW::West),
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_ => Err(ParseErrorInternal),
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}
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}
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}
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/// Parse a string containing a pair of coordinates (latitude, longitude).
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///
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/// Positive latitude is North, positive longitude is East.
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///
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/// ## Supported formats (examples)
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///
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/// - `40° 26′ 46″ N 79° 58′ 56″ W`
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/// - `N 40° 26′ 46″ W 79° 58′ 56″`
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/// - `40° 26.767' N 79° 58.933' W`
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/// - `40° 26′ 46″ 79° 58′ 56″`, `40° 26′ 46″, 79° 58′ 56″`, ...
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/// - `N 40° 26.767' W 79° 58.933'`
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/// - `40° 26.767' 79° 58.933'`, `40° 26.767', 79° 58.933'`, ...
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/// - `N 40.446° W 79.982°`
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/// - `40.446° N 79.982° W`
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/// - `40.446° 79.982°`, `40.446,79.982`, etc.
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///
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/// ## Parser rules
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/// - All formats support negative degrees (preceded by a minus sign).
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/// - Whitespace is optional and ignored, except for formats that would become unparsable.
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/// - Degree, minute and second symbols can be omitted.
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/// - Unicode quotes (`’`, `”`) may be used in place of apostrophe and double quote (`'`, `"`)
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/// for minutes and seconds.
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/// - The two coordinates can be separated by comma (`,`), semicolon (`;`), whitespace (` `), or nothing
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/// at all, if not ambiguous.
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///
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/// # Returns
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/// Returns a `Point` with longitude as X and latitude as Y (natural map orientation), or
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/// a parse error wrapping the source string (for zero-copy patterns)
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pub fn parse<T: AsRef<str> + Display>(text: T) -> Result<Point<f64>, GeoParseError<T>> {
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let s = text.as_ref().trim();
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match do_parse(s) {
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Ok(p) => Ok(p),
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Err(_) => Err(GeoParseError(text)),
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}
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}
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/// Parse string as latitude (N/S). Positive latitude is North.
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///
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/// See `parse()` for supported formats.
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pub fn parse_lat<T: AsRef<str> + Display>(text: T) -> Result<f64, GeoParseError<T>> {
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let s = text.as_ref().trim();
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match do_parse_lat(s) {
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Ok(p) => Ok(p),
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Err(_) => Err(GeoParseError(text)),
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}
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}
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/// Parse string as longitude (E/W). Positive longitude is East.
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///
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/// See `parse()` for supported formats.
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pub fn parse_lng<T: AsRef<str> + Display>(text: T) -> Result<f64, GeoParseError<T>> {
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let s = text.as_ref().trim();
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match do_parse_lng(s) {
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Ok(p) => Ok(p),
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Err(_) => Err(GeoParseError(text)),
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}
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}
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/// Parse to float, treating comma as decimal point (used in some locales)
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trait ParseFloatWithComma {
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fn parse_allow_comma(self) -> Result<f64, ParseFloatError>;
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}
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impl<'a> ParseFloatWithComma for &'a str {
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fn parse_allow_comma(self) -> Result<f64, ParseFloatError> {
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if self.contains(',') {
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let fixed = self.replace(',', ".");
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fixed.parse()
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} else {
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self.parse()
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}
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}
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}
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/// Validate and compose a complete coordinate (Lat Lng).
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fn build_point(lat: DMS, ns: NS, lng: DMS, ew: EW) -> Result<Point<f64>, ParseErrorInternal> {
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Ok(Point::new(build_lng(lng, ew)?, build_lat(lat, ns)?))
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}
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/// Validate and compose Lng.
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fn build_lng(mut lng: DMS, mut ew: EW) -> Result<f64, ParseErrorInternal> {
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// the minus sign must go in front of the whole coordinate, not just degrees!
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if lng.d < 0. {
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ew = ew.invert();
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lng.d = -lng.d;
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}
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let mut lng_f: f64 = lng.d + (lng.m / 60f64) + (lng.s / 3600f64);
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if ew == EW::West {
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lng_f = -lng_f;
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}
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if lng_f > 180f64 || lng_f < -180f64 {
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return Err(ParseErrorInternal);
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}
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Ok(lng_f)
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}
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/// Validate and compose Lat
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fn build_lat(mut lat: DMS, mut ns: NS) -> Result<f64, ParseErrorInternal> {
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// the minus sign must go in front of the whole coordinate, not just degrees!
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if lat.d < 0. {
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ns = ns.invert();
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lat.d = -lat.d;
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}
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let mut lat_f: f64 = lat.d + (lat.m / 60f64) + (lat.s / 3600f64);
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if ns == NS::South {
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lat_f = -lat_f;
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}
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if lat_f > 90f64 || lat_f < -90f64 {
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return Err(ParseErrorInternal);
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}
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Ok(lat_f)
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}
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/// Parse a complete coordinate (Lat Lng).
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/// Patterns are ordered by subjective frequency of use.
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fn do_parse(s: &str) -> Result<Point<f64>, ParseErrorInternal> {
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if let Some(cap) = RE_D_NS_D_EW.captures(s) {
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let lat = DMS {
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d: cap.get(1).unwrap().as_str().parse_allow_comma()?,
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m: 0.,
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s: 0.,
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};
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let ns = NS::try_from(cap.get(2).unwrap().as_str())?;
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let lng = DMS {
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d: cap.get(3).unwrap().as_str().parse_allow_comma()?,
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m: 0.,
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s: 0.,
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};
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let ew = EW::try_from(cap.get(4).unwrap().as_str())?;
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return build_point(lat, ns, lng, ew);
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}
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if let Some(cap) = RE_NS_DM_EW_DM.captures(s) {
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let ns = NS::try_from(cap.get(1).unwrap().as_str())?;
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let lat = DMS {
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d: cap.get(2).unwrap().as_str().parse()?,
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m: cap.get(3).unwrap().as_str().parse_allow_comma()?,
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s: 0.,
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};
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let ew = EW::try_from(cap.get(4).unwrap().as_str())?;
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let lng = DMS {
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d: cap.get(5).unwrap().as_str().parse()?,
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m: cap.get(6).unwrap().as_str().parse_allow_comma()?,
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s: 0.,
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};
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return build_point(lat, ns, lng, ew);
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}
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if let Some(cap) = RE_DMS_NS_DMS_EW.captures(s) {
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let lat = DMS {
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d: cap.get(1).unwrap().as_str().parse()?,
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m: cap.get(2).unwrap().as_str().parse()?,
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s: cap.get(3).unwrap().as_str().parse()?,
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};
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let ns = NS::try_from(cap.get(4).unwrap().as_str())?;
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let lng = DMS {
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d: cap.get(5).unwrap().as_str().parse()?,
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m: cap.get(6).unwrap().as_str().parse()?,
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s: cap.get(7).unwrap().as_str().parse()?,
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};
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let ew = EW::try_from(cap.get(8).unwrap().as_str())?;
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return build_point(lat, ns, lng, ew);
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}
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|
if let Some(cap) = RE_D_D.captures(s) {
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ns = NS::North;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ew = EW::East;
|
|
|
|
return build_point(lat, ns, lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_NS_DMS_EW_DMS.captures(s) {
|
|
let ns = NS::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse()?,
|
|
m: cap.get(3).unwrap().as_str().parse()?,
|
|
s: cap.get(4).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
let ew = EW::try_from(cap.get(5).unwrap().as_str())?;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(6).unwrap().as_str().parse()?,
|
|
m: cap.get(7).unwrap().as_str().parse()?,
|
|
s: cap.get(8).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
return build_point(lat, ns, lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DMS_DMS.captures(s) {
|
|
let ns = NS::North;
|
|
let ew = EW::East;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse()?,
|
|
s: cap.get(3).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
let lng = DMS {
|
|
d: cap.get(4).unwrap().as_str().parse()?,
|
|
m: cap.get(5).unwrap().as_str().parse()?,
|
|
s: cap.get(6).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
return build_point(lat, ns, lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DM_NS_DM_EW.captures(s) {
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
let ns = NS::try_from(cap.get(3).unwrap().as_str())?;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(4).unwrap().as_str().parse()?,
|
|
m: cap.get(5).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
let ew = EW::try_from(cap.get(6).unwrap().as_str())?;
|
|
|
|
return build_point(lat, ns, lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DM_DM.captures(s) {
|
|
let ns = NS::North;
|
|
let ew = EW::East;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
let lng = DMS {
|
|
d: cap.get(3).unwrap().as_str().parse()?,
|
|
m: cap.get(4).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_point(lat, ns, lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_NS_D_EW_D.captures(s) {
|
|
let ns = NS::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ew = EW::try_from(cap.get(3).unwrap().as_str())?;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(4).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_point(lat, ns, lng, ew);
|
|
}
|
|
|
|
Err(ParseErrorInternal)
|
|
}
|
|
|
|
/// Parse Lat.
|
|
/// Patterns are ordered by subjective frequency of use.
|
|
fn do_parse_lat(s: &str) -> Result<f64, ParseErrorInternal> {
|
|
if let Some(cap) = RE_D_NSEW.captures(s) {
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ns = NS::try_from(cap.get(2).unwrap().as_str())?;
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_NSEW_DM.captures(s) {
|
|
let ns = NS::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse()?,
|
|
m: cap.get(3).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_DMS_NSEW.captures(s) {
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse()?,
|
|
s: cap.get(3).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
let ns = NS::try_from(cap.get(4).unwrap().as_str())?;
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_D.captures(s) {
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ns = NS::North;
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_NSEW_DMS.captures(s) {
|
|
let ns = NS::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse()?,
|
|
m: cap.get(3).unwrap().as_str().parse()?,
|
|
s: cap.get(4).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_DMS.captures(s) {
|
|
let ns = NS::North;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse()?,
|
|
s: cap.get(3).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_DM_NSEW.captures(s) {
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
let ns = NS::try_from(cap.get(3).unwrap().as_str())?;
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_DM.captures(s) {
|
|
let ns = NS::North;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
if let Some(cap) = RE_NSEW_D.captures(s) {
|
|
let ns = NS::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lat = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_lat(lat, ns);
|
|
}
|
|
|
|
Err(ParseErrorInternal)
|
|
}
|
|
|
|
/// Parse Lng.
|
|
/// Patterns are ordered by subjective frequency of use.
|
|
fn do_parse_lng(s: &str) -> Result<f64, ParseErrorInternal> {
|
|
if let Some(cap) = RE_D_NSEW.captures(s) {
|
|
let lng = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ew = EW::try_from(cap.get(2).unwrap().as_str())?;
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_NSEW_D.captures(s) {
|
|
let ew = EW::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DMS_NSEW.captures(s) {
|
|
let lng = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse()?,
|
|
s: cap.get(3).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
let ew = EW::try_from(cap.get(4).unwrap().as_str())?;
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_D.captures(s) {
|
|
let lng = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse_allow_comma()?,
|
|
m: 0.,
|
|
s: 0.,
|
|
};
|
|
|
|
let ew = EW::East;
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_NSEW_DMS.captures(s) {
|
|
let ew = EW::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse()?,
|
|
m: cap.get(3).unwrap().as_str().parse()?,
|
|
s: cap.get(4).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DMS.captures(s) {
|
|
let ew = EW::East;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse()?,
|
|
s: cap.get(3).unwrap().as_str().parse()?,
|
|
};
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DM_NSEW.captures(s) {
|
|
let lng = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
let ew = EW::try_from(cap.get(3).unwrap().as_str())?;
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_NSEW_DM.captures(s) {
|
|
let ew = EW::try_from(cap.get(1).unwrap().as_str())?;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(2).unwrap().as_str().parse()?,
|
|
m: cap.get(3).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
if let Some(cap) = RE_DM.captures(s) {
|
|
let ew = EW::East;
|
|
|
|
let lng = DMS {
|
|
d: cap.get(1).unwrap().as_str().parse()?,
|
|
m: cap.get(2).unwrap().as_str().parse_allow_comma()?,
|
|
s: 0.,
|
|
};
|
|
|
|
return build_lng(lng, ew);
|
|
}
|
|
|
|
Err(ParseErrorInternal)
|
|
}
|
|
|