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add option to colorize quotes #103

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add option to colorize quotes #103

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7e1052a
add option to colorize quotes
michaelPotter Sep 17, 2020
fb45893
Don't do ftdetect
michaelPotter Mar 13, 2024
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5 changes: 5 additions & 0 deletions ftplugin/json.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,11 @@ if !exists("g:vim_json_syntax_conceal")
let g:vim_json_syntax_conceal = 1
end

"don't colorize quotes by default
if !exists("g:vim_json_color_quotes")
let g:vim_json_color_quotes = 0
end

"have warnings by default
if !exists("g:vim_json_warnings")
let g:vim_json_warnings = 1
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1 change: 1 addition & 0 deletions readme.md
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Expand Up @@ -24,6 +24,7 @@ Specific customizations
* Warn about *trailing commas* after the last element in arrays or objects.
* (All warnings can be turned off with a `let g:vim_json_warnings=0` in your `vimrc`.)
* Recognize `.jsonp` file type. In [JSONP](http://stackoverflow.com/questions/2067472/what-is-jsonp-all-about), the wrapping function call at the beginning and the closing semicolon are recognized.
* Added option for **colored quotes**. To enable it add `let g:vim_json_color_quotes=1` to your `.vimrc`.

Screenshots
-----------
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30 changes: 20 additions & 10 deletions syntax/json.vim
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Expand Up @@ -16,30 +16,38 @@ if !exists("main_syntax")
let main_syntax = 'json'
endif

" parse options and set vars
if has('conceal') && g:vim_json_syntax_conceal == 1
let conceal = " concealends"
else
let conceal = ""
endif

if g:vim_json_color_quotes == 1
let keyword_quote_match_group = "jsonKeywordQuote"
let string_quote_match_group = "jsonStringQuote"
else
let keyword_quote_match_group = "jsonQuote"
let string_quote_match_group = "jsonQuote"
endif


syntax match jsonNoise /\%(:\|,\)/

" NOTE that for the concealing to work your conceallevel should be set to 2

" Syntax: Strings
" Separated into a match and region because a region by itself is always greedy
syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze[[:blank:]\r\n]*[,}\]]/ contains=jsonString
if has('conceal') && g:vim_json_syntax_conceal == 1
syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ concealends contains=jsonEscape contained
else
syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape contained
endif
execute 'syn region jsonString oneline matchgroup=' . string_quote_match_group . ' start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape contained' . conceal
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instead of running different syn commands based on user options, we'll set some vars and build the desired syn command from those


" Syntax: JSON does not allow strings with single quotes, unlike JavaScript.
syn region jsonStringSQError oneline start=+'+ skip=+\\\\\|\\"+ end=+'+

" Syntax: JSON Keywords
" Separated into a match and region because a region by itself is always greedy
syn match jsonKeywordMatch /"\([^"]\|\\\"\)\+"[[:blank:]\r\n]*\:/ contains=jsonKeyword
if has('conceal') && g:vim_json_syntax_conceal == 1
syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ concealends contains=jsonEscape contained
else
syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ contains=jsonEscape contained
endif
execute 'syn region jsonKeyword matchgroup=' . keyword_quote_match_group . ' start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ contains=jsonEscape contained' . conceal

" Syntax: Escape sequences
syn match jsonEscape "\\["\\/bfnrt]" contained
Expand Down Expand Up @@ -121,6 +129,8 @@ if version >= 508 || !exists("did_json_syn_inits")
endif
hi def link jsonQuote Quote
hi def link jsonNoise Noise
hi def link jsonKeywordQuote jsonKeyword
hi def link jsonStringQuote jsonString
endif

let b:current_syntax = "json"
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