tackler_core/
parser.rs

1/*
2 * Tackler-NG 2022-2025
3 * SPDX-License-Identifier: Apache-2.0
4 */
5pub use crate::parser::pricedb_parser::{pricedb_from_file, pricedb_from_str};
6pub use crate::parser::tackler_txns::git_to_txns;
7pub use crate::parser::tackler_txns::paths_to_txns;
8pub use crate::parser::tackler_txns::string_to_txns;
9use std::fmt::Write;
10use winnow::error::{ErrMode, FromExternalError};
11
12mod error;
13mod pricedb_parser;
14mod tackler_parser;
15mod tackler_txns;
16
17use crate::kernel::settings::Settings;
18use crate::parser::error::TacklerTxnError;
19use crate::parser::parts::identifier::{parse_identifier, parse_multi_part_id};
20use crate::tackler;
21use winnow::Stateful;
22
23pub(crate) mod parts;
24
25pub(crate) type Stream<'is> = Stateful<&'is str, &'is mut Settings>;
26
27pub(crate) fn make_semantic_error<
28    'is,
29    E: winnow::error::FromExternalError<Stream<'is>, TacklerTxnError>,
30>(
31    is: &mut Stream<'is>,
32    msg: &str,
33) -> ErrMode<E> {
34    ErrMode::from_external_error(is, TacklerTxnError::semantic_error(msg)).cut()
35}
36
37pub(crate) fn from_error<
38    'is,
39    E: winnow::error::FromExternalError<Stream<'is>, TacklerTxnError>,
40    SE: std::error::Error + ?Sized,
41>(
42    is: &mut Stream<'is>,
43    err: &SE,
44) -> ErrMode<E> {
45    ErrMode::from_external_error(
46        is,
47        TacklerTxnError::semantic_error(err.to_string().as_str()),
48    )
49    .cut()
50}
51
52/// Check if id is a valid identifier, e.g., commodity name
53///
54/// # Errors
55/// Returns error in case the identifier is not valid
56pub fn is_valid_identifier(id: &str) -> Result<bool, tackler::Error> {
57    let mut ptr = id;
58    let res = parse_identifier(&mut ptr);
59
60    if res.is_err() || !ptr.is_empty() {
61        let mut msg = format!("Invalid identifier '{id}'. ");
62        match res {
63            Err(e) => {
64                let _ = write!(msg, "Error was {e}");
65            }
66            Ok(_) => {
67                let _ = write!(msg, "Extra characters: '{ptr}')");
68            }
69        }
70        return Err(msg.into());
71    }
72    Ok(true)
73}
74
75/// Check if id is a valid name, e.g., account name
76///
77/// # Errors
78/// Returns error in case the account name is not valid
79pub fn is_valid_name(name: &str) -> Result<bool, tackler::Error> {
80    let mut ptr = name;
81    let res = parse_multi_part_id(&mut ptr);
82
83    if res.is_err() || !ptr.is_empty() {
84        let mut msg = format!("Invalid name '{name}'. ");
85        match res {
86            Err(e) => {
87                let _ = write!(msg, "Error was {e}");
88            }
89            Ok(_) => {
90                let _ = write!(msg, "Extra characters: '{ptr}')");
91            }
92        }
93        return Err(msg.into());
94    }
95    Ok(true)
96}
97
98#[cfg(test)]
99mod tests;
tackler_core/parser.rs

tackler_core/
parser.rs
