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use std::{fmt::Display, rc::Rc};
#[derive(Debug, Clone)]
pub enum Error {
EmptyFile,
TiltNotDefined,
TiltFileNotFound(String),
TileFileIOError(Rc<std::io::Error>),
TiltFiltTooLong(usize),
InvalidKeyword(usize),
ParseFloatError(usize, Option<usize>, std::num::ParseFloatError),
ParseIntError(usize, Option<usize>, std::num::ParseIntError),
InvalidUnit(usize),
ArrayIncorrectLength(usize, usize, usize),
VerticalAnglesInvalid(usize),
HorizontalAnglesInvalid(usize),
UnexpectedEndOfFile(usize),
UnexpectedIitem(usize, usize, usize),
FromPrimitiveError(usize, Rc<dyn std::error::Error>),
}
impl Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", {
match self {
Error::TileFileIOError(ref err) => {
format!("Tilt file IO Error: {}", err)
}
Error::EmptyFile => {
format!("The file contains no lines. ")
}
Error::TiltNotDefined => {
format!("Unable to find TILT definition in file. ")
}
Error::TiltFileNotFound(ref path) => {
format!("Unable to load TILT file: {}", path)
}
Error::TiltFiltTooLong(ref len) => {
format!("Tilt should be 4 lines. Reached {} lines. ", len)
}
Error::InvalidKeyword(ref iline) => {
format!("Line {}: Invalid keyword. ", iline)
}
Error::ParseFloatError(ref iline, ref iitem, ref err) => match iitem {
Some(iitem) => format!(
"Error parsing floating point number at item {} on line {}: {}",
iitem, iline, err
),
None => format!(
"Error parsing floating point number on line {}: {}",
iline, err
),
},
Error::ParseIntError(ref iline, ref iitem, ref err) => match iitem {
Some(iitem) => format!(
"Error parsing integer number at item {} on line {}: {}",
iitem, iline, err
),
None => format!("Error parsing integer number on line {}: {}", iline, err),
},
Error::InvalidUnit(ref iline) => {
format!("Line {}: Invalid unit used. ", iline)
}
Error::ArrayIncorrectLength(ref iline, ref expected, ref found) => {
format!(
"Line {}: Array too short. Expected {}, but found {}. ",
iline, expected, found
)
}
Error::VerticalAnglesInvalid(ref iline) => {
format!("Line {}: Vertical angles are invalid and don't conform to a hemisphere or the whole domain. ", iline )
}
Error::HorizontalAnglesInvalid(ref iline) => {
format!("Line {}: Horizontal angles are invalid and do not conform to an allowed lateral symmetry. ", iline )
}
Error::UnexpectedEndOfFile(ref iline) => {
format!("Line {}: Unexpected end of file. ", iline)
}
Error::UnexpectedIitem(ref iline, ref expected, ref actual) => {
format!(
"Line {}: Expected {} items, found {}. ",
iline, expected, actual
)
}
Error::FromPrimitiveError(ref iline, ref err) => {
format!("Error converting from primitive on line {}: {}", iline, err)
}
}
})
}
}
impl From<std::io::Error> for Error {
fn from(err: std::io::Error) -> Self {
Error::TileFileIOError(Rc::new(err))
}
}