ecitygml_io/
read.rs

1use crate::error::Error;
2use crate::read_impl::read_from_file;
3use std::fs::File;
4use std::io::{Read, Seek};
5
6use crate::error::Error::{InvalidFileExtension, NoFileExtension};
7use crate::validate_impl::validate_from_reader;
8use crate::{FILE_EXTENSION_CITYGML_GML_FORMAT, FILE_EXTENSION_CITYGML_XML_FORMAT};
9use ecitygml_core::model::city_model::CitygmlModel;
10use std::path::Path;
11
12/// `CitygmlReader` reads CityGML datasets.
13///
14#[derive(Debug, Clone)]
15pub struct CitygmlReader<R: Read + Seek> {
16    reader: R,
17}
18
19impl<R: Read + Seek> CitygmlReader<R> {
20    /// Create a new [`CitygmlReader`] from an existing `Reader`.
21    pub fn new(reader: R) -> Self {
22        Self { reader }
23    }
24
25    pub fn validate(self) -> Result<crate::validate::report::Report, Error> {
26        validate_from_reader(self.reader)
27    }
28
29    pub fn finish(self) -> Result<CitygmlModel, Error> {
30        read_from_file(self.reader)
31    }
32}
33
34impl CitygmlReader<File> {
35    pub fn from_path(path: impl AsRef<Path>) -> Result<Self, Error> {
36        let extension = path.as_ref().extension().ok_or(NoFileExtension())?;
37        if extension != FILE_EXTENSION_CITYGML_GML_FORMAT
38            && extension != FILE_EXTENSION_CITYGML_XML_FORMAT
39        {
40            return Err(InvalidFileExtension(
41                extension.to_str().unwrap_or_default().to_string(),
42            ));
43        }
44
45        let file = std::fs::File::open(path)?;
46        Ok(Self::new(file))
47    }
48}
ecitygml_io/read.rs

ecitygml_io/
read.rs
