Make Ephemeris.format public (#378)

* Make Ephemeris.formattign public
* Improve version API
* IONEX: moved to separate lib

---------

Signed-off-by: Guillaume W. Bres <[email protected]>

Author: gwbres

src/header/parsing.rs

@@ -7,7 +7,6 @@ use crate::{
     hatanaka::CRINEX,
     header::{DcbCompensation, Header, PcvCompensation},
     leap::Leap,
-    linspace::Linspace,
     marker::{GeodeticMarker, MarkerType},
     meteo::{HeaderFields as MeteoHeader, Sensor as MeteoSensor},
     navigation::{HeaderFields as NavigationHeader, IonosphereModel, KbModel, TimeOffset},
@@ -948,41 +947,6 @@ impl Header {
         .map_err(|_| ParsingError::DatetimeParsing)
     }
 
-    /*
-     * Parse IONEX grid
-     */
-    fn parse_grid(line: &str) -> Result<Linspace, ParsingError> {
-        let mut start = 0.0_f64;
-        let mut end = 0.0_f64;
-        let mut spacing = 0.0_f64;
-        for (index, item) in line.split_ascii_whitespace().enumerate() {
-            let item = item.trim();
-            match index {
-                0 => {
-                    start = f64::from_str(item).or(Err(ParsingError::IonexGridSpecs))?;
-                },
-                1 => {
-                    end = f64::from_str(item).or(Err(ParsingError::IonexGridSpecs))?;
-                },
-                2 => {
-                    spacing = f64::from_str(item).or(Err(ParsingError::IonexGridSpecs))?;
-                },
-                _ => {},
-            }
-        }
-        if spacing == 0.0 {
-            // avoid linspace verification in this case
-            Ok(Linspace {
-                start,
-                end,
-                spacing,
-            })
-        } else {
-            let grid = Linspace::new(start, end, spacing)?;
-            Ok(grid)
-        }
-    }
-
     /// Parse list of [Observable]s which applies to both METEO and OBS RINEX
     pub(crate) fn parse_v2_observables(
         line: &str,

src/navigation/ephemeris/formatting.rs

@@ -12,7 +12,7 @@ use std::io::{BufWriter, Write};
 
 impl Ephemeris {
     /// Formats [Ephemeris] according to RINEX standards
-    pub(crate) fn format<W: Write>(
+    pub fn format<W: Write>(
         &self,
         w: &mut BufWriter<W>,
         sv: SV,

src/version.rs

@@ -107,6 +107,23 @@ impl Version {
     pub fn new(major: u8, minor: u8) -> Self {
         Self { major, minor }
     }
+
+    /// Builds desired major [Version] with minor = 0
+    pub fn from_major(major: u8) -> Self {
+        Self { major, minor: 0 }
+    }
+
+    /// Copies and returns [Version] with updated major
+    pub fn with_major(mut self, major: u8) -> Self {
+        self.major = major;
+        self
+    }
+
+    /// Copies and returns [Version] with updated minor
+    pub fn with_minor(mut self, minor: u8) -> Self {
+        self.minor = minor;
+        self
+    }
 }
 
 #[cfg(test)]