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Support for json
author Edho Arief <edho@myconan.net>
date Fri, 24 May 2013 18:47:59 +0900
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466:8e194cfa2f5f 467:8ef5ddb9b54b
1 " Vim syntax file
2 " Language: JSON
3 " Maintainer: Eli Parra <eli@elzr.com>
4 " Last Change: 2013-02-01
5 " Version: 0.12
6
7 if !exists("main_syntax")
8 if version < 600
9 syntax clear
10 elseif exists("b:current_syntax")
11 finish
12 endif
13 let main_syntax = 'json'
14 endif
15
16 " NOTE that for the concealing to work your conceallevel should be set to 2
17
18 " Syntax: Strings
19 if has('conceal')
20 syn region jsonString oneline matchgroup=Quote start=/"/ skip=/\\\\\|\\"/ end=/"/ concealends contains=jsonEscape
21 else
22 syn region jsonString oneline matchgroup=Quote start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape
23 endif
24
25 " Syntax: JSON does not allow strings with single quotes, unlike JavaScript.
26 syn region jsonStringSQ oneline start=+'+ skip=+\\\\\|\\"+ end=+'+
27
28 " Syntax: JSON Keywords
29 " Separated into a match and region because a region by itself is always greedy
30 syn match jsonKeywordMatch /"[^\"\:]\+"\:/ contains=jsonKeywordRegion
31 if has('conceal')
32 syn region jsonKeywordRegion matchgroup=Quote start=/"/ end=/"\ze\:/ concealends contained
33 else
34 syn region jsonKeywordRegion matchgroup=Quote start=/"/ end=/"\ze\:/ contained
35 endif
36
37 " Syntax: Escape sequences
38 syn match jsonEscape "\\["\\/bfnrt]" contained
39 syn match jsonEscape "\\u\x\{4}" contained
40
41 " Syntax: Strings should always be enclosed with quotes.
42 syn match jsonNoQuotes "\<\w\+\>"
43
44 " Syntax: Numbers
45 syn match jsonNumber "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>"
46
47 " ERROR WARNINGS **********************************************
48 "
49 " Syntax: An integer part of 0 followed by other digits is not allowed.
50 syn match jsonNumError "-\=\<0\d\.\d*\>"
51
52 " Syntax: Decimals smaller than one should begin with 0 (so .1 should be 0.1).
53 syn match jsonNumError "\:\@<=\s*\zs\.\d\+"
54
55 " Syntax: No comments in JSON, see http://stackoverflow.com/questions/244777/can-i-comment-a-json-file
56 syn match jsonCommentError "//.*"
57 syn match jsonCommentError "\(/\*\)\|\(\*/\)"
58
59 " Syntax: No semicolons in JSON
60 syn match jsonSemicolonError ";"
61
62 " Syntax: No trailing comma after the last element of arrays or objects
63 syn match jsonCommaError ",\_s*[}\]]"
64
65 " ********************************************** END OF ERROR WARNINGS
66
67 " Syntax: Boolean
68 syn keyword jsonBoolean true false
69
70 " Syntax: Null
71 syn keyword jsonNull null
72
73 " Syntax: Braces
74 syn region jsonFold matchgroup=jsonBraces start="{" end="}" transparent fold
75 syn region jsonFold matchgroup=jsonBraces start="\[" end="]" transparent fold
76
77 " Define the default highlighting.
78 " For version 5.7 and earlier: only when not done already
79 " For version 5.8 and later: only when an item doesn't have highlighting yet
80 if version >= 508 || !exists("did_json_syn_inits")
81 if version < 508
82 let did_json_syn_inits = 1
83 command -nargs=+ HiLink hi link <args>
84 else
85 command -nargs=+ HiLink hi def link <args>
86 endif
87 HiLink jsonString String
88 HiLink jsonEscape Special
89 HiLink jsonNumber Number
90 HiLink jsonBraces Operator
91 HiLink jsonNull Function
92 HiLink jsonBoolean Boolean
93 HiLink jsonKeywordRegion Label
94
95 HiLink jsonNumError Error
96 HiLink jsonCommentError Error
97 HiLink jsonSemicolonError Error
98 HiLink jsonCommaError Error
99 HiLink jsonStringSQ Error
100 HiLink jsonNoQuotes Error
101 delcommand HiLink
102 endif
103
104 let b:current_syntax = "json"
105 if main_syntax == 'json'
106 unlet main_syntax
107 endif
108
109 " Vim settings
110 " vim: ts=8 fdm=marker
111
112 " MIT License
113 " Copyright (c) 2013, Jeroen Ruigrok van der Werven, Eli Parra
114 "Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the Software), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
115 "The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
116 "THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
117 "See https://twitter.com/elzr/status/294964017926119424