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use crate::parse_util::check_missing_i32;
use std::collections::HashMap;
use std::error::Error;
use std::path::Path;
mod surface;
mod surface_section;
mod upper_air;
mod upper_air_section;
use metfor::{MetersPSec, Quantity, WindUV};
use sounding_analysis::Analysis;
use sounding_base::{Sounding, StationInfo};
use self::surface::SurfaceData;
use self::surface_section::{SurfaceIterator, SurfaceSection};
use self::upper_air::UpperAir;
use self::upper_air_section::{UpperAirIterator, UpperAirSection};
use crate::error::*;
pub struct BufkitFile {
file_text: String,
file_name: String,
}
impl BufkitFile {
pub fn load(path: &Path) -> Result<BufkitFile, Box<dyn Error>> {
use std::fs::File;
use std::io::prelude::Read;
use std::io::BufReader;
let mut file = BufReader::new(File::open(path)?);
let mut contents = String::new();
file.read_to_string(&mut contents)?;
Ok(BufkitFile {
file_text: contents,
file_name: path
.file_name()
.map(|s| s.to_string_lossy().to_string())
.unwrap_or_else(|| "Unknown File".to_owned()),
})
}
pub fn validate_file_format(&self) -> Result<(), Box<dyn Error>> {
let data = self.data()?;
data.validate()?;
Ok(())
}
pub fn data(&self) -> Result<BufkitData<'_>, Box<dyn Error>> {
BufkitData::init(&self.file_text, &self.file_name)
}
pub fn raw_text(&self) -> &str {
&self.file_text
}
}
pub struct BufkitData<'a> {
upper_air: UpperAirSection<'a>,
surface: SurfaceSection<'a>,
file_name: &'a str,
}
impl<'a> BufkitData<'a> {
pub fn validate(&self) -> Result<(), Box<dyn Error>> {
self.upper_air.validate_section()?;
self.surface.validate_section()?;
Ok(())
}
pub fn init(text: &'a str, fname: &'a str) -> Result<BufkitData<'a>, Box<dyn Error>> {
let break_point = BufkitData::find_break_point(text)?;
let data = BufkitData::new_with_break_point(text, break_point, fname)?;
Ok(data)
}
fn new_with_break_point(
text: &'a str,
break_point: usize,
fname: &'a str,
) -> Result<BufkitData<'a>, BufkitFileError> {
Ok(BufkitData {
upper_air: UpperAirSection::new(&text[0..break_point]),
surface: SurfaceSection::init(&text[break_point..])?,
file_name: fname,
})
}
fn find_break_point(text: &str) -> Result<usize, BufkitFileError> {
match text.find("STN YYMMDD/HHMM") {
None => Err(BufkitFileError::new()),
Some(val) => Ok(val),
}
}
}
impl<'a> IntoIterator for &'a BufkitData<'a> {
type Item = Analysis;
type IntoIter = SoundingIterator<'a>;
fn into_iter(self) -> Self::IntoIter {
SoundingIterator {
upper_air_it: self.upper_air.into_iter(),
surface_it: self.surface.into_iter(),
source_name: self.file_name,
}
}
}
#[allow(clippy::needless_pass_by_value)]
fn combine_data(ua: UpperAir, sd: SurfaceData, fname: &str) -> Analysis {
let coords: Option<(f64, f64)> = ua
.lat
.into_option()
.and_then(|lat| ua.lon.into_option().map(|lon| (lat, lon)));
let station = StationInfo::new_with_values(check_missing_i32(ua.num), coords, ua.elevation);
let snd = Sounding::new()
.with_source_description(fname.to_owned())
.with_station_info(station)
.with_valid_time(ua.valid_time)
.with_lead_time(check_missing_i32(ua.lead_time))
.with_pressure_profile(ua.pressure)
.with_temperature_profile(ua.temperature)
.with_wet_bulb_profile(ua.wet_bulb)
.with_dew_point_profile(ua.dew_point)
.with_theta_e_profile(ua.theta_e)
.with_wind_profile(ua.wind)
.with_pvv_profile(ua.omega)
.with_height_profile(ua.height)
.with_cloud_fraction_profile(ua.cloud_fraction)
.with_mslp(sd.mslp)
.with_sfc_temperature(sd.temperature)
.with_sfc_dew_point(sd.dewpoint)
.with_station_pressure(sd.station_pres)
.with_low_cloud(sd.low_cloud)
.with_mid_cloud(sd.mid_cloud)
.with_high_cloud(sd.hi_cloud)
.with_sfc_wind(sd.wind);
macro_rules! check_and_add {
($opt:expr, $key:expr, $hash_map:ident) => {
if let Some(val) = $opt.into_option() {
$hash_map.insert($key, val.unpack());
}
};
}
let mut bufkit_anal: HashMap<&'static str, f64> = HashMap::new();
check_and_add!(ua.show, "Showalter", bufkit_anal);
check_and_add!(ua.swet, "SWeT", bufkit_anal);
check_and_add!(ua.kinx, "K", bufkit_anal);
check_and_add!(ua.li, "LI", bufkit_anal);
check_and_add!(ua.lclp, "LCL", bufkit_anal);
check_and_add!(ua.pwat, "PWAT", bufkit_anal);
check_and_add!(ua.totl, "TotalTotals", bufkit_anal);
check_and_add!(ua.cape, "CAPE", bufkit_anal);
check_and_add!(ua.cins, "CIN", bufkit_anal);
check_and_add!(ua.lclt, "LCLTemperature", bufkit_anal);
check_and_add!(ua.eqlv, "EquilibriumLevel", bufkit_anal);
check_and_add!(ua.lfc, "LFC", bufkit_anal);
check_and_add!(ua.brch, "BulkRichardsonNumber", bufkit_anal);
check_and_add!(sd.skin_temp, "SkinTemperature", bufkit_anal);
check_and_add!(sd.lyr_1_soil_temp, "Layer1SoilTemp", bufkit_anal);
check_and_add!(sd.snow_1hr, "SnowFall1HourKgPerMeterSquared", bufkit_anal);
check_and_add!(sd.p01, "Precipitation1HrMm", bufkit_anal);
check_and_add!(sd.c01, "ConvectivePrecip1HrMm", bufkit_anal);
check_and_add!(sd.lyr_2_soil_temp, "Layer2SoilTemp", bufkit_anal);
check_and_add!(sd.snow_ratio, "SnowRatio", bufkit_anal);
if let Some(WindUV {
u: MetersPSec(u),
v: MetersPSec(v),
}) = sd.storm_motion.into_option()
{
bufkit_anal.insert("StormMotionUMps", u);
bufkit_anal.insert("StormMotionVMps", v);
}
check_and_add!(sd.srh, "StormRelativeHelicity", bufkit_anal);
Analysis::new(snd).with_provider_analysis(bufkit_anal)
}
pub struct SoundingIterator<'a> {
upper_air_it: UpperAirIterator<'a>,
surface_it: SurfaceIterator<'a>,
source_name: &'a str,
}
impl<'a> Iterator for SoundingIterator<'a> {
type Item = Analysis;
fn next(&mut self) -> Option<Self::Item> {
let mut next_ua = self.upper_air_it.next()?;
let mut next_sd = self.surface_it.next()?;
loop {
while next_sd.valid_time < next_ua.valid_time {
next_sd = self.surface_it.next()?;
}
while next_ua.valid_time < next_sd.valid_time {
next_ua = self.upper_air_it.next()?;
}
if next_ua.valid_time == next_sd.valid_time {
return Some(combine_data(next_ua, next_sd, &self.source_name));
}
}
}
}