war3parser 0.3.0

A extractor and parser for Warcraft 3 map files
Documentation 
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use std::collections::HashMap;

use regex::Regex;

use super::error::ParserError;

/// STRING_007
const STRINGS_RE: &str = r"STRING\s+([0-9]+)\s+\{\r\n+([^\}]*)\r\n\}";

/// String table
#[cfg_attr(
    feature = "wasm",
    derive(tsify_next::Tsify),
    tsify(into_wasm_abi, from_wasm_abi)
)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(Debug)]
pub struct War3MapWts {
    pub string_map: HashMap<i32, String>,
}

/// Load a string table from a buffer
impl War3MapWts {
    pub fn load(buffer: &str) -> Result<Self, ParserError> {
        let re = Regex::new(STRINGS_RE)?;
        let mut string_map = HashMap::new();
        for caps in re.captures_iter(buffer) {
            let id = caps
                .get(1)
                .ok_or(ParserError::FailedToFindRegex(STRINGS_RE.to_string()))?
                .as_str()
                .to_string();
            let content = String::from(
                caps.get(2)
                    .ok_or(ParserError::FailedToFindRegex(STRINGS_RE.to_string()))?
                    .as_str(),
            );
            if let Ok(id) = id.parse::<i32>() {
                string_map.insert(id, content);
            }
        }
        Ok(Self { string_map })
    }
}