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use std::{io, num};
use parser::Rule;
error_chain! {
types {
PatchError, PatchErrorKind, PatchResultExt, PatchResult;
}
foreign_links {
Reading(io::Error);
ParsingPatch(pest::error::Error<Rule>);
ParsingContext(num::ParseIntError);
}
errors {
NotFound(desc: &'static str) {
description("Element is not found")
display("Missing an element: {}", desc)
}
MalformedPatch(desc: &'static str) {
description("Malformed patch")
display("Elements are found in invalid order: {}", desc)
}
AbruptInput(line: usize) {
description("Abrupt input file")
display("Line #{} not found", line)
}
PatchInputMismatch(line: usize) {
description("Patch does not match the input file")
display("Invalid line #{}", line)
}
}
}