mirror of
https://github.com/SpaceVim/SpaceVim.git
synced 2025-01-24 02:20:03 +08:00
126 lines
3.6 KiB
VimL
Vendored
126 lines
3.6 KiB
VimL
Vendored
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" Options.
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if !exists("g:jsonnet_command")
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let g:jsonnet_command = "jsonnet"
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endif
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if !exists("g:jsonnet_fmt_command")
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let g:jsonnet_fmt_command = "jsonnetfmt"
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endif
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if !exists('g:jsonnet_fmt_options')
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let g:jsonnet_fmt_options = ''
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endif
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if !exists('g:jsonnet_fmt_fail_silently')
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let g:jsonnet_fmt_fail_silently = 1
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endif
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" System runs a shell command. It will reset the shell to /bin/sh for Unix-like
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" systems if it is executable.
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function! jsonnet#System(str, ...)
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let l:shell = &shell
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if executable('/bin/sh')
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let &shell = '/bin/sh'
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endif
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try
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let l:output = call("system", [a:str] + a:000)
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return l:output
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finally
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let &shell = l:shell
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endtry
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endfunction
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" CheckBinPath checks whether the given binary exists or not and returns the
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" path of the binary. It returns an empty string if it doesn't exists.
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function! jsonnet#CheckBinPath(binName)
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if executable(a:binName)
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if exists('*exepath')
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let binPath = exepath(a:binName)
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return binPath
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else
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return a:binName
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endif
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else
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echo "vim-jsonnet: could not find '" . a:binName . "'."
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return ""
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endif
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endfunction
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" Format calls `jsonnetfmt ... ` on the file and replaces the file with the
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" auto formatted version. Does some primitive error checking of the
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" jsonnetfmt command too.
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function! jsonnet#Format()
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" Save cursor position and many other things.
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let l:curw = winsaveview()
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" Write current unsaved buffer to a temp file
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let l:tmpname = tempname()
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call writefile(getline(1, '$'), l:tmpname)
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" get the command first so we can test it
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let l:binName = g:jsonnet_fmt_command
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" check if the user has installed command binary.
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let l:binPath = jsonnet#CheckBinPath(l:binName)
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if empty(l:binPath)
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return
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endif
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" Populate the final command.
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let l:command = l:binPath
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" The inplace modification is default. Makes file management easier
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let l:command = l:command . ' -i '
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let l:command = l:command . g:jsonnet_fmt_options
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" Execute the compiled jsonnetfmt command and save the return value
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let l:out = jsonnet#System(l:command . " " . l:tmpname)
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let l:errorCode = v:shell_error
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if l:errorCode == 0
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" The format command succeeded Move the formatted temp file over the
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" current file and restore other settings
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" stop undo recording
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try | silent undojoin | catch | endtry
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let l:originalFileFormat = &fileformat
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if exists("*getfperm")
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" save old file permissions
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let l:originalFPerm = getfperm(expand('%'))
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endif
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" Overwrite current file with the formatted temp file
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call rename(l:tmpname, expand('%'))
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if exists("*setfperm") && l:originalFPerm != ''
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call setfperm(expand('%'), l:originalFPerm)
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endif
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" the file has been changed outside of vim, enable reedit
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silent edit!
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let &fileformat = l:originalFileFormat
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let &syntax = &syntax
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elseif g:jsonnet_fmt_fail_silently == 0
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" FixMe: We could leverage the errors coming from the `jsonnetfmt` and
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" give immediate feedback to the user at every save time.
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" Our inspiration, vim-go, opens a new list below the current edit
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" window and shows the errors (the output of the fmt command).
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" We are not sure whether this is desired in the vim-jsonnet community
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" or not. Nevertheless, this else block is a suitable place to benefit
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" from the `jsonnetfmt` errors.
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endif
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" Restore our cursor/windows positions.
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call winrestview(l:curw)
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endfunction
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