143 lines
3.6 KiB
VimL
143 lines
3.6 KiB
VimL
" Copyright 2011 The Go Authors. All rights reserved.
|
|
" Use of this source code is governed by a BSD-style
|
|
" license that can be found in the LICENSE file.
|
|
|
|
let s:buf_nr = -1
|
|
|
|
if !exists("g:go_doc_command")
|
|
let g:go_doc_command = "godoc"
|
|
endif
|
|
|
|
if !exists("g:go_doc_options")
|
|
let g:go_doc_options = ""
|
|
endif
|
|
|
|
" returns the package and exported name. exported name might be empty.
|
|
" ie: fmt and Println
|
|
" ie: github.com/fatih/set and New
|
|
function! s:godocWord(args)
|
|
if !executable('godoc')
|
|
let msg = "godoc command not found."
|
|
let msg .= " install with: go get golang.org/x/tools/cmd/godoc"
|
|
call go#util#echoWarning(msg)
|
|
return []
|
|
endif
|
|
|
|
if !len(a:args)
|
|
let oldiskeyword = &iskeyword
|
|
setlocal iskeyword+=.
|
|
let word = expand('<cword>')
|
|
let &iskeyword = oldiskeyword
|
|
let word = substitute(word, '[^a-zA-Z0-9\\/._~-]', '', 'g')
|
|
let words = split(word, '\.\ze[^./]\+$')
|
|
else
|
|
let words = a:args
|
|
endif
|
|
|
|
if !len(words)
|
|
return []
|
|
endif
|
|
|
|
let pkg = words[0]
|
|
if len(words) == 1
|
|
let exported_name = ""
|
|
else
|
|
let exported_name = words[1]
|
|
endif
|
|
|
|
let packages = go#tool#Imports()
|
|
|
|
if has_key(packages, pkg)
|
|
let pkg = packages[pkg]
|
|
endif
|
|
|
|
return [pkg, exported_name]
|
|
endfunction
|
|
|
|
function! s:godocNotFound(content)
|
|
if len(a:content) == 0
|
|
return 1
|
|
endif
|
|
|
|
return a:content =~# '^.*: no such file or directory\n$'
|
|
endfunction
|
|
|
|
function! go#doc#OpenBrowser(...)
|
|
let pkgs = s:godocWord(a:000)
|
|
if empty(pkgs)
|
|
return
|
|
endif
|
|
|
|
let pkg = pkgs[0]
|
|
let exported_name = pkgs[1]
|
|
|
|
" example url: https://godoc.org/github.com/fatih/set#Set
|
|
let godoc_url = "https://godoc.org/" . pkg . "#" . exported_name
|
|
call go#tool#OpenBrowser(godoc_url)
|
|
endfunction
|
|
|
|
function! go#doc#Open(newmode, mode, ...)
|
|
" check if we have 'gogetdoc' and use it automatically
|
|
let bin_path = go#path#CheckBinPath('gogetdoc')
|
|
if empty(bin_path)
|
|
return
|
|
endif
|
|
|
|
let offset = go#util#OffsetCursor()
|
|
let fname = expand("%:p")
|
|
|
|
let command = printf("%s -pos %s:#%s", bin_path, fname, offset)
|
|
|
|
let out = system(command)
|
|
if v:shell_error != 0
|
|
call go#util#EchoError(out)
|
|
return
|
|
endif
|
|
|
|
call s:GodocView(a:newmode, a:mode, out)
|
|
endfunction
|
|
|
|
function! s:GodocView(newposition, position, content)
|
|
" reuse existing buffer window if it exists otherwise create a new one
|
|
if !bufexists(s:buf_nr)
|
|
execute a:newposition
|
|
sil file `="[Godoc]"`
|
|
let s:buf_nr = bufnr('%')
|
|
elseif bufwinnr(s:buf_nr) == -1
|
|
execute a:position
|
|
execute s:buf_nr . 'buffer'
|
|
elseif bufwinnr(s:buf_nr) != bufwinnr('%')
|
|
execute bufwinnr(s:buf_nr) . 'wincmd w'
|
|
endif
|
|
|
|
" cap buffer height to 20, but resize it for smaller contents
|
|
let max_height = 20
|
|
let content_height = len(split(a:content, "\n"))
|
|
if content_height > max_height
|
|
exe 'resize ' . max_height
|
|
else
|
|
exe 'resize ' . content_height
|
|
endif
|
|
|
|
setlocal filetype=godoc
|
|
setlocal bufhidden=delete
|
|
setlocal buftype=nofile
|
|
setlocal noswapfile
|
|
setlocal nobuflisted
|
|
setlocal nocursorline
|
|
setlocal nocursorcolumn
|
|
setlocal iskeyword+=:
|
|
setlocal iskeyword-=-
|
|
|
|
setlocal modifiable
|
|
%delete _
|
|
call append(0, split(a:content, "\n"))
|
|
sil $delete _
|
|
setlocal nomodifiable
|
|
|
|
" close easily with <esc> or enter
|
|
noremap <buffer> <silent> <CR> :<C-U>close<CR>
|
|
noremap <buffer> <silent> <Esc> :<C-U>close<CR>
|
|
endfunction
|
|
|
|
" vim:ts=2:sw=2:et
|