Mercurial > vim
annotate runtime/indent/json.vim @ 6481:2f8c3790366e
Added tag v7-4-568 for changeset 747cbac7047b
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 14 Jan 2015 11:25:05 +0100 |
| parents | 6921742f396a |
| children | 63b0b7b79b25 |
| rev | line source |
|---|---|
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1 " Vim indent file |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
2 " Language: JSON |
| 6180 | 3 " Mantainer: Eli Parra <eli@elzr.com> https://github.com/elzr/vim-json |
| 4 " Last Change: 2014 Aug 29 | |
| 5 " https://github.com/jakar/vim-json/commit/20b650e22aa750c4ab6a66aa646bdd95d7cd548a#diff-e81fc111b2052e306d126bd9989f7b7c | |
| 6 " Original Author: Rogerz Zhang <rogerz.zhang at gmail.com> http://github.com/rogerz/vim-json | |
| 7 " Acknowledgement: Based off of vim-javascript maintained by Darrick Wiebe | |
| 8 " http://www.vim.org/scripts/script.php?script_id=2765 | |
| 9 | |
| 10 " 0. Initialization {{{1 | |
| 11 " ================= | |
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
12 |
| 6180 | 13 " Only load this indent file when no other was loaded. |
| 14 if exists("b:did_indent") | |
| 15 finish | |
| 16 endif | |
| 17 let b:did_indent = 1 | |
| 18 | |
| 19 setlocal nosmartindent | |
| 20 | |
| 21 " Now, set up our indentation expression and keys that trigger it. | |
| 22 setlocal indentexpr=GetJSONIndent() | |
| 23 setlocal indentkeys=0{,0},0),0[,0],!^F,o,O,e | |
| 24 | |
| 25 " Only define the function once. | |
| 26 if exists("*GetJSONIndent") | |
| 27 finish | |
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
28 endif |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
29 |
| 6180 | 30 let s:cpo_save = &cpo |
| 31 set cpo&vim | |
| 32 | |
| 33 " 1. Variables {{{1 | |
| 34 " ============ | |
| 35 | |
| 36 let s:line_term = '\s*\%(\%(\/\/\).*\)\=$' | |
| 37 " Regex that defines blocks. | |
| 38 let s:block_regex = '\%({\)\s*\%(|\%([*@]\=\h\w*,\=\s*\)\%(,\s*[*@]\=\h\w*\)*|\)\=' . s:line_term | |
| 39 | |
| 40 " 2. Auxiliary Functions {{{1 | |
| 41 " ====================== | |
| 42 | |
| 43 " Check if the character at lnum:col is inside a string. | |
| 44 function s:IsInString(lnum, col) | |
| 45 return synIDattr(synID(a:lnum, a:col, 1), 'name') == 'jsonString' | |
| 46 endfunction | |
| 47 | |
| 48 " Find line above 'lnum' that isn't empty, or in a string. | |
| 49 function s:PrevNonBlankNonString(lnum) | |
| 50 let lnum = prevnonblank(a:lnum) | |
| 51 while lnum > 0 | |
| 52 " If the line isn't empty or in a string, end search. | |
| 53 let line = getline(lnum) | |
| 54 if !(s:IsInString(lnum, 1) && s:IsInString(lnum, strlen(line))) | |
| 55 break | |
| 56 endif | |
| 57 let lnum = prevnonblank(lnum - 1) | |
| 58 endwhile | |
| 59 return lnum | |
| 60 endfunction | |
| 61 | |
| 62 " Check if line 'lnum' has more opening brackets than closing ones. | |
| 63 function s:LineHasOpeningBrackets(lnum) | |
| 64 let open_0 = 0 | |
| 65 let open_2 = 0 | |
| 66 let open_4 = 0 | |
| 67 let line = getline(a:lnum) | |
| 68 let pos = match(line, '[][(){}]', 0) | |
| 69 while pos != -1 | |
| 70 let idx = stridx('(){}[]', line[pos]) | |
| 71 if idx % 2 == 0 | |
| 72 let open_{idx} = open_{idx} + 1 | |
| 73 else | |
| 74 let open_{idx - 1} = open_{idx - 1} - 1 | |
| 75 endif | |
| 76 let pos = match(line, '[][(){}]', pos + 1) | |
| 77 endwhile | |
| 78 return (open_0 > 0) . (open_2 > 0) . (open_4 > 0) | |
| 79 endfunction | |
| 80 | |
| 81 function s:Match(lnum, regex) | |
| 82 let col = match(getline(a:lnum), a:regex) + 1 | |
| 83 return col > 0 && !s:IsInString(a:lnum, col) ? col : 0 | |
| 84 endfunction | |
| 85 | |
| 86 " 3. GetJSONIndent Function {{{1 | |
| 87 " ========================= | |
| 88 | |
| 89 function GetJSONIndent() | |
| 90 " 3.1. Setup {{{2 | |
| 91 " ---------- | |
| 92 | |
| 93 " Set up variables for restoring position in file. Could use v:lnum here. | |
| 94 let vcol = col('.') | |
| 95 | |
| 96 " 3.2. Work on the current line {{{2 | |
| 97 " ----------------------------- | |
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
98 |
| 6180 | 99 " Get the current line. |
| 100 let line = getline(v:lnum) | |
| 101 let ind = -1 | |
| 102 | |
| 103 " If we got a closing bracket on an empty line, find its match and indent | |
| 104 " according to it. | |
| 105 let col = matchend(line, '^\s*[]}]') | |
| 106 | |
| 107 if col > 0 && !s:IsInString(v:lnum, col) | |
| 108 call cursor(v:lnum, col) | |
| 109 let bs = strpart('{}[]', stridx('}]', line[col - 1]) * 2, 2) | |
| 110 | |
| 111 let pairstart = escape(bs[0], '[') | |
| 112 let pairend = escape(bs[1], ']') | |
| 113 let pairline = searchpair(pairstart, '', pairend, 'bW') | |
| 114 | |
| 115 if pairline > 0 | |
| 116 let ind = indent(pairline) | |
| 117 else | |
| 118 let ind = virtcol('.') - 1 | |
| 119 endif | |
| 120 | |
| 121 return ind | |
| 122 endif | |
| 123 | |
| 124 " If we are in a multi-line string, don't do anything to it. | |
| 125 if s:IsInString(v:lnum, matchend(line, '^\s*') + 1) | |
| 126 return indent('.') | |
| 127 endif | |
| 128 | |
| 129 " 3.3. Work on the previous line. {{{2 | |
| 130 " ------------------------------- | |
| 131 | |
| 132 let lnum = prevnonblank(v:lnum - 1) | |
| 133 | |
| 134 if lnum == 0 | |
| 135 return 0 | |
| 136 endif | |
| 137 | |
| 138 " Set up variables for current line. | |
| 139 let line = getline(lnum) | |
| 140 let ind = indent(lnum) | |
| 141 | |
| 142 " If the previous line ended with a block opening, add a level of indent. | |
| 143 " if s:Match(lnum, s:block_regex) | |
| 144 " return indent(lnum) + &sw | |
| 145 " endif | |
| 146 | |
| 147 " If the previous line contained an opening bracket, and we are still in it, | |
| 148 " add indent depending on the bracket type. | |
| 149 if line =~ '[[({]' | |
| 150 let counts = s:LineHasOpeningBrackets(lnum) | |
| 151 if counts[0] == '1' || counts[1] == '1' || counts[2] == '1' | |
| 152 return ind + &sw | |
| 153 else | |
| 154 call cursor(v:lnum, vcol) | |
| 155 end | |
| 156 endif | |
| 157 | |
| 158 " }}}2 | |
| 159 | |
| 160 return ind | |
| 161 endfunction | |
| 162 | |
| 163 " }}}1 | |
| 164 | |
| 165 let &cpo = s:cpo_save | |
| 166 unlet s:cpo_save | |
| 167 | |
| 168 " vim:set sw=2 sts=2 ts=8 noet: |