forked from aniani/vim
93 lines
2.8 KiB
VimL
93 lines
2.8 KiB
VimL
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" Vim indent file
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" Language: graphql
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" Maintainer: Jon Parise <jon@indelible.org>
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" Filenames: *.graphql *.graphqls *.gql
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" URL: https://github.com/jparise/vim-graphql
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" License: MIT <https://opensource.org/license/mit>
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" Last Change: 2024 Dec 21
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" Set our local options if indentation hasn't already been set up.
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" This generally means we've been detected as the primary filetype.
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if !exists('b:did_indent')
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setlocal autoindent
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setlocal nocindent
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setlocal nolisp
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setlocal nosmartindent
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setlocal indentexpr=GetGraphQLIndent()
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setlocal indentkeys=0{,0},0),0[,0],0#,!^F,o,O
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let b:did_indent = 1
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endif
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" If our indentation function already exists, we have nothing more to do.
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if exists('*GetGraphQLIndent')
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finish
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endif
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let s:cpo_save = &cpoptions
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set cpoptions&vim
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" searchpair() skip expression that matches in comments and strings.
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let s:pair_skip_expr =
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\ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "comment\\|string"'
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" Check if the character at lnum:col is inside a string.
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function s:InString(lnum, col)
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return synIDattr(synID(a:lnum, a:col, 1), 'name') ==# 'graphqlString'
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endfunction
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function GetGraphQLIndent()
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" If this is the first non-blank line, we have nothing more to do because
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" all of our indentation rules are based on matching against earlier lines.
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let l:prevlnum = prevnonblank(v:lnum - 1)
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if l:prevlnum == 0
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return 0
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endif
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" If the previous line isn't GraphQL, assume we're part of a template
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" string and indent this new line within it.
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let l:stack = map(synstack(l:prevlnum, 1), "synIDattr(v:val, 'name')")
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if get(l:stack, -1) !~# '^graphql'
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return indent(l:prevlnum) + shiftwidth()
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endif
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let l:line = getline(v:lnum)
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" If this line contains just a closing bracket, find its matching opening
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" bracket and indent the closing bracket to match.
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let l:col = matchend(l:line, '^\s*[]})]')
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if l:col > 0 && !s:InString(v:lnum, l:col)
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call cursor(v:lnum, l:col)
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let l:bracket = l:line[l:col - 1]
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if l:bracket ==# '}'
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let l:matched = searchpair('{', '', '}', 'bW', s:pair_skip_expr)
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elseif l:bracket ==# ']'
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let l:matched = searchpair('\[', '', '\]', 'bW', s:pair_skip_expr)
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elseif l:bracket ==# ')'
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let l:matched = searchpair('(', '', ')', 'bW', s:pair_skip_expr)
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else
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let l:matched = -1
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endif
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return l:matched > 0 ? indent(l:matched) : virtcol('.') - 1
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endif
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" If we're inside of a multiline string, continue with the same indentation.
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if s:InString(v:lnum, matchend(l:line, '^\s*') + 1)
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return indent(v:lnum)
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endif
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" If the previous line ended with an opening bracket, indent this line.
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if getline(l:prevlnum) =~# '\%(#.*\)\@<![[{(]\s*$'
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return indent(l:prevlnum) + shiftwidth()
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endif
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" Default to the existing indentation level.
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return indent(l:prevlnum)
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endfunction
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let &cpoptions = s:cpo_save
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unlet s:cpo_save
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