Switch to elzr for json syntax, and disable conceal by default

1 files changed, 49 insertions, 31 deletions

diff --git a/syntax/json.vim b/syntax/json.vim
index 25989ead..48bc18e1 100644
--- a/syntax/json.vim
+++ b/syntax/json.vim
@@ -5,6 +5,10 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'json') == -1
 " Maintainer:	Eli Parra <eli@elzr.com> https://github.com/elzr/vim-json
 " Last Change:	2014-12-20 Load ftplugin/json.vim
 
+" Reload the definition of g:vim_json_syntax_conceal
+" see https://github.com/elzr/vim-json/issues/42
+runtime! ftplugin/json.vim
+
 if !exists("main_syntax")
   if version < 600
     syntax clear
@@ -16,10 +20,16 @@ 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
-syn region  jsonString oneline matchgroup=jsonQuote start=/"/  skip=/\\\\\|\\"/  end=/"/ concealends contains=jsonEscape contained
+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
 
 " Syntax: JSON does not allow strings with single quotes, unlike JavaScript.
 syn region  jsonStringSQError oneline  start=+'+  skip=+\\\\\|\\"+  end=+'+
@@ -27,7 +37,11 @@ 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
-syn region  jsonKeyword matchgroup=jsonQuote start=/"/  end=/"\ze[[:blank:]\r\n]*\:/ contains=jsonEscape contained
+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
 
 " Syntax: Escape sequences
 syn match   jsonEscape    "\\["\\/bfnrt]" contained
@@ -37,31 +51,33 @@ syn match   jsonEscape    "\\u\x\{4}" contained
 syn match   jsonNumber    "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>\ze[[:blank:]\r\n]*[,}\]]"
 
 " ERROR WARNINGS **********************************************
-" Syntax: Strings should always be enclosed with quotes.
-syn match   jsonNoQuotesError  "\<[[:alpha:]][[:alnum:]]*\>"
-syn match   jsonTripleQuotesError  /"""/
+if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1)
+	" Syntax: Strings should always be enclosed with quotes.
+	syn match   jsonNoQuotesError  "\<[[:alpha:]][[:alnum:]]*\>"
+	syn match   jsonTripleQuotesError  /"""/
 
-" Syntax: An integer part of 0 followed by other digits is not allowed.
-syn match   jsonNumError  "-\=\<0\d\.\d*\>"
+	" Syntax: An integer part of 0 followed by other digits is not allowed.
+	syn match   jsonNumError  "-\=\<0\d\.\d*\>"
 
-" Syntax: Decimals smaller than one should begin with 0 (so .1 should be 0.1).
-syn match   jsonNumError  "\:\@<=[[:blank:]\r\n]*\zs\.\d\+"
+	" Syntax: Decimals smaller than one should begin with 0 (so .1 should be 0.1).
+	syn match   jsonNumError  "\:\@<=[[:blank:]\r\n]*\zs\.\d\+"
 
-" Syntax: No comments in JSON, see http://stackoverflow.com/questions/244777/can-i-comment-a-json-file
-syn match   jsonCommentError  "//.*"
-syn match   jsonCommentError  "\(/\*\)\|\(\*/\)"
+	" Syntax: No comments in JSON, see http://stackoverflow.com/questions/244777/can-i-comment-a-json-file
+	syn match   jsonCommentError  "//.*"
+	syn match   jsonCommentError  "\(/\*\)\|\(\*/\)"
 
-" Syntax: No semicolons in JSON
-syn match   jsonSemicolonError  ";"
+	" Syntax: No semicolons in JSON
+	syn match   jsonSemicolonError  ";"
 
-" Syntax: No trailing comma after the last element of arrays or objects
-syn match   jsonTrailingCommaError  ",\_s*[}\]]"
+	" Syntax: No trailing comma after the last element of arrays or objects
+	syn match   jsonTrailingCommaError  ",\_s*[}\]]"
 
-" Syntax: Watch out for missing commas between elements
-syn match   jsonMissingCommaError /\("\|\]\|\d\)\zs\_s\+\ze"/
-syn match   jsonMissingCommaError /\(\]\|\}\)\_s\+\ze"/ "arrays/objects as values
-syn match   jsonMissingCommaError /}\_s\+\ze{/ "objects as elements in an array
-syn match   jsonMissingCommaError /\(true\|false\)\_s\+\ze"/ "true/false as value
+	" Syntax: Watch out for missing commas between elements
+	syn match   jsonMissingCommaError /\("\|\]\|\d\)\zs\_s\+\ze"/
+	syn match   jsonMissingCommaError /\(\]\|\}\)\_s\+\ze"/ "arrays/objects as values
+	syn match   jsonMissingCommaError /}\_s\+\ze{/ "objects as elements in an array
+	syn match   jsonMissingCommaError /\(true\|false\)\_s\+\ze"/ "true/false as value
+endif
 
 " ********************************************** END OF ERROR WARNINGS
 " Allowances for JSONP: function call at the beginning of the file,
@@ -87,20 +103,22 @@ if version >= 508 || !exists("did_json_syn_inits")
   hi def link jsonString		String
   hi def link jsonTest			Label
   hi def link jsonEscape		Special
-  hi def link jsonNumber		Number
+  hi def link jsonNumber		Delimiter
   hi def link jsonBraces		Delimiter
   hi def link jsonNull			Function
-  hi def link jsonBoolean		Boolean
+  hi def link jsonBoolean		Delimiter
   hi def link jsonKeyword		Label
 
-  hi def link jsonNumError					Error
-  hi def link jsonCommentError				Error
-  hi def link jsonSemicolonError			Error
-  hi def link jsonTrailingCommaError		Error
-  hi def link jsonMissingCommaError		Error
-  hi def link jsonStringSQError				Error
-  hi def link jsonNoQuotesError				Error
-  hi def link jsonTripleQuotesError		Error
+	if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1)
+		hi def link jsonNumError					Error
+		hi def link jsonCommentError				Error
+		hi def link jsonSemicolonError			Error
+		hi def link jsonTrailingCommaError		Error
+		hi def link jsonMissingCommaError		Error
+		hi def link jsonStringSQError				Error
+		hi def link jsonNoQuotesError				Error
+		hi def link jsonTripleQuotesError		Error
+  endif
   hi def link jsonQuote			Quote
   hi def link jsonNoise			Noise
 endif