wolfrpg-map-parser 0.6.0

Parser for Wolf RPG Editor map files
Documentation 
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use crate::byte_utils::as_u32_le;
use crate::db_parser::models::type_info::TypeInfo;
use std::fs;
use std::io::Result;
use std::path::Path;

/// Parse a .project file containing information on a WolfRPG Editor internal database.
///
/// Returns the schema of a database table. For the actual data, use [`data_parser::parse`]
/// If you already have read the bytes, consider using [`parse_bytes`].
/// 
/// [`data_parser::parse`]: crate::data_parser::parse
pub fn parse(project: &Path) -> Result<Vec<TypeInfo>> {
    match fs::read(project) {
        Ok(contents) => {
            Ok(parse_bytes(&contents))
        }
        Err(e) => {
            Err(e)
        }
    }
}


/// Parse bytes containing information on a WolfRPG Editor internal database.
///
/// Returns the schema of a database table. For the actual data, use [`data_parser::parse_bytes`]
/// If you already have read the bytes, consider using [`parse`].
///
/// [`data_parser::parse_bytes`]: crate::data_parser::parse_bytes
pub fn parse_bytes(bytes: &[u8]) -> Vec<TypeInfo> {
    let mut offset: usize = 0;
    
    let type_count: usize = as_u32_le(bytes) as usize;
    offset += 4;
    
    let mut types: Vec<TypeInfo> = Vec::with_capacity(type_count);
    
    for i in 0..type_count {
        let (bytes_read, type_info): (usize, TypeInfo) = TypeInfo::parse(&bytes[offset..], i);
        offset += bytes_read;
        types.push(type_info);
    }
    
    types
}