v/cmd/tools/vdoc/files.v

module main

import os

fn get_ignore_paths(path string) ![]string {
	ignore_file_path := os.join_path(path, '.vdocignore')
	ignore_content := os.read_file(ignore_file_path) or {
		return error_with_code('ignore file not found.', 1)
	}
	mut res := []string{}
	if ignore_content.trim_space().len > 0 {
		rules := ignore_content.split_into_lines().map(it.trim_space())
		mut final := []string{}
		for rule in rules {
			if rule.contains('*.') || rule.contains('**') {
				println('vdoc: Wildcards in ignore rules are not allowed for now.')
				continue
			}
			final << rule
		}
		res = final.map(os.join_path(path, it.trim_right('/')))
	} else {
		mut dirs := os.ls(path) or { return []string{} }
		res = dirs.map(os.join_path(path, it)).filter(os.is_dir(it))
	}
	return res.map(it.replace('/', os.path_separator))
}

fn is_included(path string, ignore_paths []string) bool {
	if path.len == 0 {
		return true
	}
	for ignore_path in ignore_paths {
		if !path.contains(ignore_path) {
			continue
		}
		return false
	}
	return true
}

fn get_modules_list(path string, ignore_paths2 []string) []string {
	files := os.ls(path) or { return []string{} }
	mut ignore_paths := get_ignore_paths(path) or { []string{} }
	ignore_paths << ignore_paths2
	mut dirs := []string{}
	for file in files {
		fpath := os.join_path(path, file)
		if os.is_dir(fpath) && is_included(fpath, ignore_paths) && !os.is_link(path) {
			dirs << get_modules_list(fpath, ignore_paths.filter(it.starts_with(fpath)))
		} else if fpath.ends_with('.v') && !fpath.ends_with('_test.v') {
			if path in dirs {
				continue
			}
			dirs << path
		}
	}
	dirs.sort()
	return dirs
}