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ultimate-vim/sources_non_forked/vim-go/autoload/go/util.vim
2016-04-12 09:31:09 +01:00

135 lines
3.8 KiB
VimL

" PathSep returns the appropriate OS specific path separator.
function! go#util#PathSep()
if go#util#IsWin()
return '\'
endif
return '/'
endfunction
" PathListSep returns the appropriate OS specific path list separator.
function! go#util#PathListSep()
if go#util#IsWin()
return ";"
endif
return ":"
endfunction
" LineEnding returns the correct line ending, based on the current fileformat
function! go#util#LineEnding()
if &fileformat == 'dos'
return "\r\n"
elseif &fileformat == 'mac'
return "\r"
endif
return "\n"
endfunction
" IsWin returns 1 if current OS is Windows or 0 otherwise
function! go#util#IsWin()
let win = ['win16', 'win32', 'win64', 'win95']
for w in win
if (has(w))
return 1
endif
endfor
return 0
endfunction
" StripPath strips the path's last character if it's a path separator.
" example: '/foo/bar/' -> '/foo/bar'
function! go#util#StripPathSep(path)
let last_char = strlen(a:path) - 1
if a:path[last_char] == go#util#PathSep()
return strpart(a:path, 0, last_char)
endif
return a:path
endfunction
" StripTrailingSlash strips the trailing slash from the given path list.
" example: ['/foo/bar/'] -> ['/foo/bar']
function! go#util#StripTrailingSlash(paths)
return map(copy(a:paths), 'go#util#StripPathSep(v:val)')
endfunction
" Shelljoin returns a shell-safe string representation of arglist. The
" {special} argument of shellescape() may optionally be passed.
function! go#util#Shelljoin(arglist, ...)
try
let ssl_save = &shellslash
set noshellslash
if a:0
return join(map(copy(a:arglist), 'shellescape(v:val, ' . a:1 . ')'), ' ')
endif
return join(map(copy(a:arglist), 'shellescape(v:val)'), ' ')
finally
let &shellslash = ssl_save
endtry
endfunction
" Shelllist returns a shell-safe representation of the items in the given
" arglist. The {special} argument of shellescape() may optionally be passed.
function! go#util#Shelllist(arglist, ...)
try
let ssl_save = &shellslash
set noshellslash
if a:0
return map(copy(a:arglist), 'shellescape(v:val, ' . a:1 . ')')
endif
return map(copy(a:arglist), 'shellescape(v:val)')
finally
let &shellslash = ssl_save
endtry
endfunction
" Returns the byte offset for line and column
function! go#util#Offset(line, col)
if &encoding != 'utf-8'
let sep = go#util#LineEnding()
let buf = a:line == 1 ? '' : (join(getline(1, a:line-1), sep) . sep)
let buf .= a:col == 1 ? '' : getline('.')[:a:col-2]
return len(iconv(buf, &encoding, 'utf-8'))
endif
return line2byte(a:line) + (a:col-2)
endfunction
"
" Returns the byte offset for the cursor
function! go#util#OffsetCursor()
return go#util#Offset(line('.'), col('.'))
endfunction
" Windo is like the built-in :windo, only it returns to the window the command
" was issued from
function! go#util#Windo(command)
let s:currentWindow = winnr()
try
execute "windo " . a:command
finally
execute s:currentWindow. "wincmd w"
unlet s:currentWindow
endtry
endfunction
" TODO(arslan): I couldn't parameterize the highlight types. Check if we can
" simplify the following functions
function! go#util#EchoSuccess(msg)
redraws! | echon "vim-go: " | echohl Function | echon a:msg | echohl None
endfunction
function! go#util#EchoError(msg)
redraws! | echon "vim-go: " | echohl ErrorMsg | echon a:msg | echohl None
endfunction
function! go#util#EchoWarning(msg)
redraws! | echon "vim-go: " | echohl WarningMsg | echon a:msg | echohl None
endfunction
function! go#util#EchoProgress(msg)
redraws! | echon "vim-go: " | echohl Identifier | echon a:msg | echohl None
endfunction
" vim:ts=4:sw=4:et