/usr/share/joe/syntax/json.jsf is in joe 4.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 | # JSON highlighter per json.org
# Written by Rebecca Turner (@ReBecaOrg)
# Define colors
=Idle
=Comma
=PairSep
=Bracket +Brace
=Brace +Control +Operator
=Constant
=Number +Constant
=Boolean +Constant
=Null +Constant
=String +Constant
=Key +Attr +Type +String
=Escape
=StringEscape +Escape +String
=Bad
=ERROR +Bad
:json Idle
* end noeat call=.value()
" \t\n" json
:end Idle
* endBAD noeat
" \t\n" end
:endBAD Bad
* end
.subr value
:value Idle
* valueBAD noeat
"\"" end noeat call=.string()
"-0-9" end noeat call=.number()
"tfn" end noeat call=.bareword()
"{" end noeat call=.object()
"[" end noeat call=.array()
:valueBAD Bad
* value
:end Idle
* NULL noeat return
.end
.subr object
:object Brace
* objectBAD noeat
"{" maybeempty
:objectBAD ERROR
* end
:maybeempty Brace
* key noeat
" \t\n" maybeempty
"}" end recolor=-1
:key Idle
* keyBAD noeat
"\"" pairsep noeat call=.keystring()
" \t\n" key
:keyBAD Bad
* key
:pairsep PairSep
* pairsepBAD noeat
":" value
" \t\n" pairsep
:pairsepBAD Bad
* pairsep
:value Idle
* nextpair noeat call=.value()
" \t\n" value
:nextpair Comma
* nextpairBAD noeat
"}" end recolor=-1
"," key
" \t\n" nextpair
:nextpairBAD Bad
* nextpair
:end Brace
* NULL noeat return
.end
.subr array
:array Bracket
* arrayBAD noeat
"[" maybeempty
:arrayBAD ERROR
* end
:maybeempty Bracket
* value noeat
" \t\n" maybeempty
"]" end recolor=-1
:value Idle
* nextvalue noeat call=.value()
" \t\n" value
:nextvalue Comma
* nextvalueBAD noeat
"]" end recolor=-1
"," value
" \t\n" nextvalue
:nextvalueBAD Bad
* nextvalue
:end Bracket
* NULL noeat return
.end
.subr string
:string String string
* stringBAD noeat
"\"" body
:body String string
* body
"\"" end
"\\" escape recolor=-1
:stringBAD ERROR
* end
:escape StringEscape string
* escapeBAD recolor=-2 noeat
"\"/bfnrt\\" body
"u" unicode1
:escapeBAD Bad
* body
:unicode1 StringEscape string
* unicodeBAD recolor=-3 noeat
"0-9a-fA-F" unicode2
:unicode2 StringEscape string
* unicodeBAD recolor=-4 noeat
"0-9a-fA-F" unicode3
:unicode3 StringEscape string
* unicodeBAD recolor=-5 noeat
"0-9a-fA-F" unicode4
:unicode4 StringEscape string
* unicodeBAD recolor=-6 noeat
"0-9a-fA-F" body
:unicodeBAD Bad
* body
:end Idle
* NULL noeat return
.end
.subr keystring
:string Key
* stringBAD noeat
"\"" body
:body Key
* body
"\"" end
"\\" escape recolor=-1
:stringBAD ERROR
* end
:escape Escape
* escapeBAD recolor=-2 noeat
"\"/bfnrt\\" body
"u" unicode1
:escapeBAD Bad
* body
:unicode1 Escape
* unicodeBAD recolor=-3 noeat
"0-9a-fA-F" unicode2
:unicode2 Escape
* unicodeBAD recolor=-4 noeat
"0-9a-fA-F" unicode3
:unicode3 Escape
* unicodeBAD recolor=-5 noeat
"0-9a-fA-F" unicode4
:unicode4 Escape
* unicodeBAD recolor=-6 noeat
"0-9a-fA-F" body
:unicodeBAD Bad
* body
:end Idle
* NULL noeat return
.end
.subr bareword
:bareword Idle
* body noeat mark buffer
:body Bad
* end noeat markend strings
"true" boolean
"false" boolean
"null" null
done
"truefalsn" body
:boolean Boolean
* end noeat
:null Null
* end noeat
:end Idle
* NULL noeat return
.end
.subr number
:number Number
* numberBAD
"0-9" numberA noeat
"-" numberA
:numberBAD ERROR
* end
:numberA Number
"0" decimalpoint
"1-9" integer
:integer Number
* end noeat
"0-9" integer
"." decimalpart
"eE" exponentpart
:decimalpoint Number
* end noeat
"0-9" decimalpointBAD
"eE" exponentpart
"." decimalpart
:decimalpointBAD Bad
* end
:decimalpart Number
* decimalpartBAD
"0-9" decimalpartA
:decimalpartBAD Bad
* end
:decimalpartA Number
* end noeat
"0-9" decimalpartA
"eE" exponentpart
:exponentpart Number
* exponentpartBAD
"-+" exponentpartA
"0-9" exponentpartB
:exponentpartBAD Bad
* end
:exponentpartA Number
* exponentpartBAD
"0-9" exponentpartB
:exponentpartB Number
* end noeat
"0-9" exponentpartB
:end Idle
* NULL noeat return
.end
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