1 namespace eval ten::json {
3 namespace eval deparse {
6 list "\"" "\\\"" / \\/ \\ \\\\ \b \\b \f \\f \n \\n \r \\r \t \\t
16 variable indentBy [ expr $indentBy + $indentIncr ]
17 variable indent [ string repeat " " $indentBy ]
22 variable indentBy [ expr $indentBy - $indentIncr ]
23 variable indent [ string repeat " " $indentBy ]
28 return \"[ string map $quotes $str ]\"
40 foreach el [lrange $args 0 end] {
42 append out [ deparse $el ],
45 append out $nl$indent\]
54 dict for {k v} $args {
55 append out $nl$indent[ str $k ]:\ [ deparse $v ],
58 append out $nl$indent\}
62 switch -regexp [lindex $data 0] {
63 ^true|false|null$ { uplevel 1 return [lindex $data 0] }
65 default { error [ concat "Invalid JSON type " [lindex $data 0 0] ] }
71 proc deparse_json {data {indentIncr 2}} {
72 set deparse::indentBy 0
73 set deparse::indentIncr $indentIncr
74 if [expr $indentIncr == 0] {
79 deparse::deparse $data
82 namespace eval tclify {
84 proc str {str} { return $str }
86 proc num {num} { return $num }
93 switch -regexp [lindex $data 0] {
94 ^true|false|null$ { uplevel 1 return [lindex $data 0] }
96 default { error [ concat "Invalid JSON type " [lindex $data 0 0] ] }
102 proc tclify_json {data} {
106 namespace eval parse {
112 set json [string trimleft $json]
113 if {[string index $json 0] eq ","} {
114 set json [string range $json 1 end]
120 set json [ string range $json 1 end ]
122 while {"$json" ne ""} {
123 if {[string index $json 0] eq "]"} {
126 lappend tcl [ parse ]
129 error "Ran out of JSON. Confused now."
135 # like Text::Balanced except ugly (borrowed from tcvJSON's code)
136 set reStr {(?:(?:\")(?:[^\\\"]*(?:\\.[^\\\"]*)*)(?:\"))}
137 if {![regexp $reStr $json string]} {
138 error [ concat "Invalid string: " [string range $json 0 32]
140 set json [string range $json [string length $string] end]
141 # chop off outer ""s and substitute backslashes
142 # This does more than the RFC-specified backslash sequences,
143 # but it does cover them all
144 list str [subst -nocommand -novariable [string range $string 1 end-1]]
149 set json [string trimleft $json]
153 switch -regexp [string index $json 0] {
158 {[-0-9]} { parse_number }
160 default { error "argh" }
165 proc parse_json {json} {
166 set parse::json $json
171 set ex_json { list {str foo} {num 0} {obj __remote_object__ {str 512}} {null} }
178 "__remote_object__": "512",
184 puts [ ten::json::deparse_json $ex_json 2 ]
186 dict for {k v} [ ten::json::tclify_json [
187 lindex [ ten::json::tclify_json $ex_json ] 2
188 ] ] { puts "$k: $v" }
190 #puts [ ten::json::parse_json $jtext ]
192 puts [ ten::json::parse_json {["foo"]} ]