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v/cmd/tools/vwhere/finder_utils.v

183 lines
3.9 KiB
V
Executable File

module main
import os
import term
import v.pref
import os.cmdline
// Symbol type to search
enum Symbol {
@fn
method
@struct
@interface
@enum
@const
var
regexp
}
// Visibility of the symbols to search
enum Visibility {
all
@pub
pri
}
// Mutability of the symbols to search
enum Mutability {
any
yes
not
}
const (
_args = os.args
verbose = '-v' in cmdline.only_options(_args)
header = '-h' in cmdline.only_options(_args)
format = '-f' in cmdline.only_options(_args)
symbols = {
'fn': Symbol.@fn
'method': .method
'struct': .@struct
'interface': .@interface
'enum': .@enum
'const': .@const
'var': .var
'regexp': .regexp
}
visibilities = {
'all': Visibility.all
'pub': .@pub
'pri': .pri
}
mutabilities = {
'any': Mutability.any
'yes': .yes
'not': .not
}
vexe = pref.vexe_path()
vlib_dir = os.join_path(os.dir(vexe), 'vlib')
vmod_dir = os.vmodules_dir()
vmod_paths = os.vmodules_paths()[1..]
current_dir = os.abs_path('.')
color_out = term.can_show_color_on_stdout()
)
fn (mut cfg Symbol) set_from_str(str_in string) {
if str_in !in symbols {
invalid_option(cfg, str_in)
}
cfg = symbols[str_in]
}
fn (mut cfg Visibility) set_from_str(str_in string) {
if str_in !in visibilities {
invalid_option(cfg, str_in)
}
cfg = visibilities[str_in]
}
fn (mut cfg Mutability) set_from_str(str_in string) {
if str_in !in mutabilities {
invalid_option(cfg, str_in)
}
cfg = mutabilities[str_in]
}
type ParamOption = Mutability | Symbol | Visibility
// General helpers
fn invalid_option(invalid ParamOption, arg string) {
match invalid.type_name() {
'Symbol' {
msg := 'First arg (symbol type) must be one of the following:'
make_and_print_error(msg, symbols.keys(), arg)
}
'Visibility' {
msg := '"-vis" (visibility) must be one of the following:'
make_and_print_error(msg, visibilities.keys(), arg)
}
'Mutability' {
msg := '"-mut" (mutability) must be one of the following:'
make_and_print_error(msg, mutabilities.keys(), arg)
}
else {
exit(1)
}
}
}
fn valid_args_quantity_or_show_help(args []string) {
if true in [
args.len < 1,
'-help' in args,
'--help' in args,
args == ['help'],
] {
os.system('${os.quoted_path(vexe)} help where')
exit(0)
}
}
fn make_and_print_error(msg string, opts []string, arg string) {
if verbose || format {
eprintln('\n' + maybe_color(term.bright_yellow, msg))
if opts.len > 0 {
eprint(opts.map(maybe_color(term.bright_green, it)).join(' | '))
}
eprintln(' ...can not be ${maybe_color(term.bright_red, arg)}')
} else {
eprint(maybe_color(term.bright_yellow, msg) + ' ')
if opts.len > 0 {
eprint(opts.map(maybe_color(term.bright_green, it)).join(' | '))
}
eprintln(' ...can not be ${maybe_color(term.bright_red, arg)}')
}
exit(1)
}
fn maybe_color(term_color fn (string) string, str string) string {
if color_out {
return term_color(str)
} else {
return str
}
}
fn collect_v_files(path string, recursive bool) ![]string {
if path.len == 0 {
return error('path cannot be empty')
}
if !os.is_dir(path) {
return error('path does not exist or is not a directory')
}
mut all_files := []string{}
mut entries := os.ls(path)!
mut local_path_separator := os.path_separator
if path.ends_with(os.path_separator) {
local_path_separator = ''
}
for entry in entries {
file := path + local_path_separator + entry
if os.is_dir(file) && !os.is_link(file) && recursive {
all_files << collect_v_files(file, recursive)!
} else if os.exists(file) && (file.ends_with('.v') || file.ends_with('.vsh')) {
all_files << file
}
}
return all_files
}
fn resolve_module(path string) !string {
if os.is_dir(path) {
return path
} else if os.is_dir(os.join_path(vmod_dir, path)) {
return os.join_path(vmod_dir, path)
} else if os.is_dir(os.join_path(vlib_dir, path)) {
return os.join_path(vlib_dir, path)
} else {
return error('Path: ${path} not found')
}
}