rush-ecs-parser 0.1.0

Rush ECS Framework Parser
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

use super::adapter::Parser;
use crate::utils::{dir_to_string, file_to_string};
use anyhow::Result;
use rush_ecs_core::blueprint::Blueprint;
use std::{
    fs::{canonicalize, metadata},
    path::Path,
};

/// [`Blueprint`] Loader
///
/// Load [`Blueprint`] from file or directory
///
pub struct Loader {
    parser: Box<dyn Parser>,
}

impl Loader {
    /// Create a new [`Blueprint`] [`Loader`]
    pub fn new(parser: impl Parser) -> Self {
        Self {
            parser: Box::new(parser),
        }
    }

    /// Load Blueprint
    ///
    /// Loads [`Blueprint`] from a specific [`Path`]
    ///
    /// [`Path`] can be a **file** or **directory**;
    pub fn load_blueprint(&self, path: &Path) -> Result<Blueprint> {
        // expecting a valid path
        let abs_path = canonicalize(path)?;
        let md = metadata(abs_path).expect("invalid path");

        // get blueprint string from file or directory
        let blueprint_string = match md.is_dir() {
            true => dir_to_string(path),
            false => file_to_string(path),
        };

        self.parser.parse_string(blueprint_string)
    }
}