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@@ -1,18 +1,14 @@
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extern crate chrono;
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extern crate quick_xml;
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-extern crate xml;
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use chrono::DateTime;
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use chrono::Duration;
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use chrono::TimeZone;
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use chrono::Utc;
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-use std::fs::File;
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-use std::io::BufReader;
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use std::time::Duration as stdDuration;
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use quick_xml::events::Event;
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use quick_xml::Reader;
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-use xml::reader::{EventReader, XmlEvent};
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#[derive(Debug, Clone)]
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struct Point {
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@@ -115,10 +111,8 @@ impl Track {
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fn dist(p1: &Point, p2: &Point) -> f64 {
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let r = 6371.0;
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- // println!("analyzing p1 {:?} p2 {:?}", p1, p2);
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let d_lat = (p1.lat - p2.lat).to_radians();
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let d_long = (p1.long - p2.long).to_radians();
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-
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let a = (d_lat / 2.0).sin() * (d_lat / 2.0).sin()
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+ p1.lat.to_radians().cos()
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* p2.lat.to_radians().cos()
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@@ -129,16 +123,10 @@ fn dist(p1: &Point, p2: &Point) -> f64 {
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}
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fn main() {
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- // let file = File::open("data/Day1-1.gpx").unwrap();
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- // let file = BufReader::new(file);
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-
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- // let mut trk = Track {
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- // ..Default::default()
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- // };
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- // println!("open {:?}", file);
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- // let parser = EventReader::new(file);
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- // println!("done.");
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+ let mut trk = Track {
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+ ..Default::default()
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+ };
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// Records for the pull parser
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let mut current_point = Point::new();
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@@ -146,129 +134,8 @@ fn main() {
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println!("XML parse start.");
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- // for e in parser {
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- // match e {
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-
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- // Ok(XmlEvent::StartElement {
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- // name, attributes, ..
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- // }) => {
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- // if name.local_name == "trkpt" {
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- // for attr in attributes {
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- // // println!("A\t{:?}={:?}", attr.name.local_name, attr.value);
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- // if attr.name.local_name == "lat" {
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- // current_point.lat = attr.value.parse().unwrap();
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- // }
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- // if attr.name.local_name == "lon" {
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- // current_point.long = attr.value.parse().unwrap();
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- // }
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- // }
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- // }
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- // }
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-
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- // Ok(XmlEvent::Characters(text)) => {
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- // // This event is the text between tags, such as <foo>text</foo>
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- // current_data = text;
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- // }
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-
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- // Ok(XmlEvent::EndElement { name, .. }) => {
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- // // Elevation
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- // if name.local_name == "ele" {
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- // current_point.ele = current_data.parse().unwrap();
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- // }
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-
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- // // Parse time
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- // if name.local_name == "time" {
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- // match Utc.datetime_from_str(current_data.as_str(), "%FT%H:%M:%S%.3fZ") {
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- // Ok(time) => current_point.time = time,
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- // Err(err) => println!("=== TIME ERROR === {:?}", err),
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- // }
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- // }
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-
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- // // The track name
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- // if name.local_name == "name" {
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- // trk.name = current_data.clone();
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- // }
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-
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- // //Track point end event
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- // if name.local_name == "trkpt" {
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- // // push a copy of the point to the track
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- // trk.points.push(current_point.clone());
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- // }
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- // }
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- // Err(e) => {
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- // println!("Error: {}", e);
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- // break;
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- // }
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-
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- // _ => {}
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- // }
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- // }
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-
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- // for e in parser {
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- // match e {
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-
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- // Ok(XmlEvent::StartElement {
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- // name, attributes, ..
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- // }) => {
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- // if name.local_name == "trkpt" {
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- // for attr in attributes {
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- // // println!("A\t{:?}={:?}", attr.name.local_name, attr.value);
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- // if attr.name.local_name == "lat" {
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- // current_point.lat = attr.value.parse().unwrap();
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- // }
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- // if attr.name.local_name == "lon" {
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- // current_point.long = attr.value.parse().unwrap();
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- // }
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- // }
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- // }
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- // }
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-
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- // Ok(XmlEvent::Characters(text)) => {
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- // // This event is the text between tags, such as <foo>text</foo>
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- // current_data = text;
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- // }
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-
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- // Ok(XmlEvent::EndElement { name, .. }) => {
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- // // Elevation
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- // if name.local_name == "ele" {
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- // current_point.ele = current_data.parse().unwrap();
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- // }
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-
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- // // Parse time
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- // if name.local_name == "time" {
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- // match Utc.datetime_from_str(current_data.as_str(), "%FT%H:%M:%S%.3fZ") {
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- // Ok(time) => current_point.time = time,
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- // Err(err) => println!("=== TIME ERROR === {:?}", err),
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- // }
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- // }
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-
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- // // The track name
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- // if name.local_name == "name" {
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- // trk.name = current_data.clone();
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- // }
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-
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- // //Track point end event
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- // if name.local_name == "trkpt" {
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- // // push a copy of the point to the track
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- // trk.points.push(current_point.clone());
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- // }
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- // }
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- // Err(e) => {
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- // println!("Error: {}", e);
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- // break;
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- // }
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-
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- // _ => {}
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- // }
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- // }
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-
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let mut reader = Reader::from_file("data/Day1-1.gpx").unwrap();
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- // let mut reader = Reader::from_file("data/test.xml").unwrap();
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-
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reader.trim_text(true);
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-
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- let mut count = 0;
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- let mut txt = Vec::new();
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let mut buf = Vec::new();
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// The `Reader` does not implement `Iterator` because it outputs borrowed data (`Cow`s)
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@@ -281,39 +148,66 @@ fn main() {
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b"trkpt" => {
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for a in e.attributes() {
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let unwrapped_attr = a.unwrap();
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- let k = reader.decode(unwrapped_attr.key);
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- let v = unwrapped_attr.unescape_and_decode_value(&reader).unwrap();
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- if k == "lat" {
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- current_point.lat = v.parse().unwrap();
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- }
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- if k == "lon" {
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- current_point.long = v.parse().unwrap();
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- }
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- // println!("{:?}: {:?}", k, v);
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+ let key = reader.decode(unwrapped_attr.key).into_owned();
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+ let value = unwrapped_attr.unescape_and_decode_value(&reader).unwrap();
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+
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+ match key.as_str() {
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+ "lat" => current_point.lat = value.parse().unwrap(),
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+ "lon" => current_point.long = value.parse().unwrap(),
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+ _ => ()
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+ }
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}
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()
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}
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_ => (),
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}
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}
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- Ok(Event::Text(e)) => txt.push(e.unescape_and_decode(&reader).unwrap()),
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- // Ok(Event::End(ref e)) => (),
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+ // current_data = text;
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+ Ok(Event::Text(e)) => {
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+ current_data = e.unescape_and_decode(&reader).unwrap();
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+ // txt.push(e.unescape_and_decode(&reader).unwrap()),
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+ }
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+ Ok(Event::End(ref e)) => {
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+
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+
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+ match e.name() {
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+ b"ele" => {
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+ current_point.ele = current_data.parse().unwrap();
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+ },
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+ b"name" => {
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+ trk.name = current_data.clone();
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+ },
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+ b"time" => {
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+ match Utc.datetime_from_str(current_data.as_str(), "%FT%H:%M:%S%.3fZ") {
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+ Ok(time) => current_point.time = time,
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+ Err(err) => println!("=== TIME ERROR === {:?}", err),
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+ }
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+ },
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+ b"trkpt" => {
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+ // push a copy of the point to the track
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+ trk.points.push(current_point.clone());
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+ },
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+ _ => ()
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+ }
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+
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+
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+
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+
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+ }
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Ok(Event::Eof) => break, // exits the loop when reaching end of file
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Err(e) => panic!("Error at position {}: {:?}", reader.buffer_position(), e),
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_ => (), // There are several other `Event`s we do not consider here
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}
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- // print!("{:?}\n", buf);
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- // print!("{:?}\n", txt);
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// if we don't keep a borrow elsewhere, we can clear the buffer to keep memory usage low
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buf.clear();
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}
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println!("XML parse end.");
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- // println!("Track name: {:?}", trk.name);
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- // println!("Distance: {:?} km", trk.len());
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- // println!("Duration: {:?} h", trk.time().num_minutes() as f32 / 60.0);
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- // println!("Speed: {:?} Km/h", trk.speed());
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+ println!("Track name: {:?}", trk.name);
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+ println!("Distance: {:?} km", trk.len());
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+ println!("Duration: {:?} h", trk.time().num_minutes() as f32 / 60.0);
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+ println!("Speed: {:?} Km/h", trk.speed());
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// trk.parse();
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}
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