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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

use crate::prelude::*;
use std::fs;
use std::fs::File;
use std::io::LineWriter;
use std::io::Write;
use std::path::Path;

/// write file, for generating classes files
pub fn write_file<P: AsRef<Path> + Clone>(
    path: P,
    content: &str,
) -> Result<(), Box<dyn std::error::Error>> {
    let path_str = path.clone().as_ref().to_string_lossy().to_string();
    let file = File::create(path)?;
    let mut writer = LineWriter::new(file);
    writer.write_all(content.as_bytes())?;
    println!(
        "cargo:warning=dioxus-class::build::write_file: [{}] {}",
        content.len(), path_str
    );
    Ok(())
}

/// write given classes to html format, which can be used by CSS utilities
pub fn generate_classes<P: AsRef<Path> + Clone>(
    path: P,
    classes: Vec<Class>,
) -> Result<(), Box<dyn std::error::Error>> {
    let path_str = path.clone().as_ref().to_string_lossy().to_string();
    let file = File::create(path)?;
    let mut writer = LineWriter::new(file);
    let mut class_count: usize = 0;
    let mut size: usize = 0;
    for class in classes {
        let str = class.to_class();
        class_count += 1;
        size += str.len();
        writer.write_all(format!("<div class=\"{}\">{}</div>\n", str, class.to_string()).as_bytes())?;
    }
    println!(
        "cargo:warning=dioxus-class::build::generate_classes: {}-[{}] {}",
        class_count, size, path_str
    );
    Ok(())
}

pub fn check_vec_ending(content: &str) -> bool {
    for ch in content.chars().rev() {
        if ch == ']' {
            return true;
        } else if vec!['\n', '\r', ' ', '\t'].contains(&ch) {
            continue;
        } else {
            return false;
        }
    }
    false
}

pub fn check_classes<P: AsRef<Path> + Clone>(
    path: P,
) -> Result<(), Box<dyn std::error::Error>> {
    let content = if path.as_ref().exists() {
        let lines = fs::read_to_string(path.clone())?;
        if check_vec_ending(&lines) {
            return Ok(())
        }
        println!("cargo:warning=dioxus-class::build::check_classes: append vec ending");
        lines + "]\n"
    } else {
        println!("cargo:warning=dioxus-class::build::check_classes: create empty file");

        "vec![]\n".to_owned()
    };
    write_file(path, &content)
}