Files
vim-lsp-mirror/autoload/lsp/utils.vim
Fujiwara Takuya 52539a54ae Show diagnostics in a floating window (#700)
* fix comment

* fix indent

* support diagnostics in a floating window

* doc: add g:lsp_diagnostics_float_{cursor,delay}

* fix vint errors except unused variables

* suppress vint unused variable errors

* lint: use robust operator
2020-02-10 01:44:05 +09:00

322 lines
9.1 KiB
VimL

function! lsp#utils#is_file_uri(uri) abort
return stridx(a:uri, 'file:///') == 0
endfunction
function! lsp#utils#is_remote_uri(uri) abort
return a:uri =~# '^\w\+::' || a:uri =~# '^\w\+://'
endfunction
function! s:decode_uri(uri) abort
let l:ret = substitute(a:uri, '[?#].*', '', '')
return substitute(l:ret, '%\(\x\x\)', '\=printf("%c", str2nr(submatch(1), 16))', 'g')
endfunction
function! s:urlencode_char(c) abort
return printf('%%%02X', char2nr(a:c))
endfunction
function! s:get_prefix(path) abort
return matchstr(a:path, '\(^\w\+::\|^\w\+://\)')
endfunction
function! s:encode_uri(path, start_pos_encode, default_prefix) abort
let l:prefix = s:get_prefix(a:path)
let l:path = a:path[len(l:prefix):]
if len(l:prefix) == 0
let l:prefix = a:default_prefix
endif
let l:result = strpart(a:path, 0, a:start_pos_encode)
for l:i in range(a:start_pos_encode, len(l:path) - 1)
" Don't encode '/' here, `path` is expected to be a valid path.
if l:path[l:i] =~# '^[a-zA-Z0-9_.~/-]$'
let l:result .= l:path[l:i]
else
let l:result .= s:urlencode_char(l:path[l:i])
endif
endfor
return l:prefix . l:result
endfunction
if has('win32') || has('win64')
function! lsp#utils#path_to_uri(path) abort
if empty(a:path)
return a:path
else
" You must not encode the volume information on the path if
" present
let l:end_pos_volume = matchstrpos(a:path, '\c[A-Z]:')[2]
if l:end_pos_volume == -1
let l:end_pos_volume = 0
endif
return s:encode_uri(substitute(a:path, '\', '/', 'g'), l:end_pos_volume, 'file:///')
endif
endfunction
else
function! lsp#utils#path_to_uri(path) abort
if empty(a:path)
return a:path
else
return s:encode_uri(a:path, 0, 'file://')
endif
endfunction
endif
if has('win32') || has('win64')
function! lsp#utils#uri_to_path(uri) abort
return substitute(s:decode_uri(a:uri[len('file:///'):]), '/', '\\', 'g')
endfunction
else
function! lsp#utils#uri_to_path(uri) abort
return s:decode_uri(a:uri[len('file://'):])
endfunction
endif
function! lsp#utils#get_default_root_uri() abort
return lsp#utils#path_to_uri(getcwd())
endfunction
function! lsp#utils#get_buffer_path(...) abort
return expand((a:0 > 0 ? '#' . a:1 : '%') . ':p')
endfunction
function! lsp#utils#get_buffer_uri(...) abort
return lsp#utils#path_to_uri(expand((a:0 > 0 ? '#' . a:1 : '%') . ':p'))
endfunction
" Find a nearest to a `path` parent directory `directoryname` by traversing the filesystem upwards
function! lsp#utils#find_nearest_parent_directory(path, directoryname) abort
let l:relative_path = finddir(a:directoryname, a:path . ';')
if !empty(l:relative_path)
return fnamemodify(l:relative_path, ':p')
else
return ''
endif
endfunction
" Find a nearest to a `path` parent filename `filename` by traversing the filesystem upwards
function! lsp#utils#find_nearest_parent_file(path, filename) abort
let l:relative_path = findfile(a:filename, a:path . ';')
if !empty(l:relative_path)
return fnamemodify(l:relative_path, ':p')
else
return ''
endif
endfunction
" Find a nearest to a `path` parent filename `filename` by traversing the filesystem upwards
" The filename ending with '/' or '\' will be regarded as directory name,
" otherwith as file name
function! lsp#utils#find_nearest_parent_file_directory(path, filename) abort
if type(a:filename) == 3
let l:matched_paths = {}
for l:current_name in a:filename
let l:path = lsp#utils#find_nearest_parent_file_directory(a:path, l:current_name)
if !empty(l:path)
if has_key(l:matched_paths, l:path)
let l:matched_paths[l:path] += 1
else
let l:matched_paths[l:path] = 1
endif
endif
endfor
return empty(l:matched_paths) ?
\ '' :
\ keys(l:matched_paths)[index(values(l:matched_paths), max(values(l:matched_paths)))]
elseif type(a:filename) == 1
if a:filename[-1:] ==# '/' || a:filename[-1:] ==# '\'
let l:modify_str = ':p:h:h'
let l:path = lsp#utils#find_nearest_parent_directory(a:path, a:filename[:-2])
else
let l:modify_str = ':p:h'
let l:path = lsp#utils#find_nearest_parent_file(a:path, a:filename)
endif
return empty(l:path) ? '' : fnamemodify(l:path, l:modify_str)
else
echoerr "The type of argument \"filename\" must be String or List"
endif
endfunction
if exists('*matchstrpos')
function! lsp#utils#matchstrpos(expr, pattern) abort
return matchstrpos(a:expr, a:pattern)
endfunction
else
function! lsp#utils#matchstrpos(expr, pattern) abort
return [matchstr(a:expr, a:pattern), match(a:expr, a:pattern), matchend(a:expr, a:pattern)]
endfunction
endif
function! lsp#utils#empty_complete(...) abort
return []
endfunction
function! lsp#utils#error(msg) abort
echohl ErrorMsg
echom a:msg
echohl NONE
endfunction
function! lsp#utils#echo_with_truncation(msg) abort
let l:msg = a:msg
if &laststatus == 0 || (&laststatus == 1 && tabpagewinnr(tabpagenr(), '$') == 1)
let l:winwidth = winwidth(0)
if &ruler
let l:winwidth -= 18
endif
else
let l:winwidth = &columns
endif
if &showcmd
let l:winwidth -= 12
endif
if l:winwidth > 5 && l:winwidth < strdisplaywidth(l:msg)
let l:msg = l:msg[:l:winwidth - 5] . '...'
endif
exec 'echo l:msg'
endfunction
" Convert a byte-index (1-based) to a character-index (0-based)
" This function requires a buffer specifier (expr, see :help bufname()),
" a line number (lnum, 1-based), and a byte-index (char, 1-based).
function! lsp#utils#to_char(expr, lnum, col) abort
let l:lines = getbufline(a:expr, a:lnum)
if l:lines == []
if type(a:expr) != v:t_string || !filereadable(a:expr)
" invalid a:expr
return a:col - 1
endif
" a:expr is a file that is not yet loaded as a buffer
let l:lines = readfile(a:expr, '', a:lnum)
endif
let l:linestr = l:lines[-1]
return strchars(strpart(l:linestr, 0, a:col - 1))
endfunction
function! s:get_base64_alphabet() abort
let l:alphabet = []
" Uppercase letters
for l:c in range(char2nr('A'), char2nr('Z'))
call add(l:alphabet, nr2char(l:c))
endfor
" Lowercase letters
for l:c in range(char2nr('a'), char2nr('z'))
call add(l:alphabet, nr2char(l:c))
endfor
" Numbers
for l:c in range(char2nr('0'), char2nr('9'))
call add(l:alphabet, nr2char(l:c))
endfor
" Symbols
call add(l:alphabet, '+')
call add(l:alphabet, '/')
return l:alphabet
endfunction
if exists('*trim')
function! lsp#utils#_trim(string) abort
return trim(a:string)
endfunction
else
function! lsp#utils#_trim(string) abort
return substitute(a:string, '^\s*\|\s*$', '', 'g')
endfunction
endif
function! lsp#utils#_get_before_line() abort
let l:text = getline('.')
let l:idx = min([strlen(l:text), col('.') - 2])
let l:idx = max([l:idx, -1])
if l:idx == -1
return ''
endif
return l:text[0 : l:idx]
endfunction
function! lsp#utils#_get_before_char_skip_white() abort
let l:current_lnum = line('.')
let l:lnum = l:current_lnum
while l:lnum > 0
if l:lnum == l:current_lnum
let l:text = lsp#utils#_get_before_line()
else
let l:text = getline(l:lnum)
endif
let l:match = matchlist(l:text, '\([^[:blank:]]\)\s*$')
if get(l:match, 1, v:null) isnot v:null
return l:match[1]
endif
let l:lnum -= 1
endwhile
return ''
endfunction
let s:alphabet = s:get_base64_alphabet()
function! lsp#utils#base64_decode(data) abort
let l:ret = []
" Process base64 string in chunks of 4 chars
for l:group in split(a:data, '.\{4}\zs')
let l:group_dec = 0
" Convert 4 chars to 3 octets
for l:char in split(l:group, '\zs')
let l:group_dec = l:group_dec * 64
let l:group_dec += max([index(s:alphabet, l:char), 0])
endfor
" Split the number representing the 3 octets into the individual
" octets
let l:octets = []
let l:i = 0
while l:i < 3
call add(l:octets, l:group_dec % 256)
let l:group_dec = l:group_dec / 256
let l:i += 1
endwhile
call extend(l:ret, reverse(l:octets))
endfor
" Handle padding
if len(a:data) >= 2
if strpart(a:data, len(a:data) - 2) ==# '=='
call remove(l:ret, -2, -1)
elseif strpart(a:data, len(a:data) - 1) ==# '='
call remove(l:ret, -1, -1)
endif
endif
return l:ret
endfunction
function! lsp#utils#make_valid_word(str) abort
let l:str = matchstr(a:str, '^[^ (<{\[\t\r\n]\+')
if l:str =~# ':$'
return l:str[:-2]
endif
return l:str
endfunction