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/*
 * Copyright 2022 E257.FI
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

pub use crate::parser::tackler_txns::git_to_txns;
pub use crate::parser::tackler_txns::paths_to_txns;
pub use crate::parser::tackler_txns::string_to_txns;
pub use crate::parser::tackler_txns::GitInputSelector;

mod ctx_handler;
mod tackler_parser;
mod tackler_txns;
mod txn_antlr;

/*
 * TODO: This logic should be 1:1 with TxnLexer.g4
 *       (ID, SUBID and NameChar + NameStartChar)
 * Real account names are coming through parser+lexer,
 * So these are validating Chart-of-Xyz config/settings
 * entries (accounts, tags, commodities).
 * E.g. checking these is a nicety for user
 * (warn about invalid Chart-Of-Xyz).
 */
#[inline]
fn illegal_characters(c: char) -> bool {
    c == ':' || c.is_whitespace()
}

// todo: this is too relaxed
fn is_valid_id_start_char(c: char) -> bool {
    !(c.is_ascii_digit() || c == ':' || c == '-' || c == '_' || c == '·' || c.is_whitespace())
}

// this is fine, once is_valid_id_start_char is fixed
fn is_valid_sub_id_start_char(c: char) -> bool {
    c.is_numeric() || is_valid_id_start_char(c)
}

// todo: this is too relaxed
pub fn is_valid_id(token: &str) -> bool {
    !token.is_empty()
        && token.starts_with(is_valid_id_start_char)
        && !token.contains(illegal_characters)
}

// todo: this is too relaxed
pub fn is_valid_sub_id(token: &str) -> bool {
    !token.is_empty()
        && token.starts_with(is_valid_sub_id_start_char)
        && !token.contains(illegal_characters)
}

#[cfg(test)]
mod tests;