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Better string matching #1

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Better string matching #1

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000ad82
Remove redundant indent
ryncsn Apr 7, 2024
6a6223a
Be lenient for string keys
ryncsn Apr 7, 2024
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12 changes: 6 additions & 6 deletions poorjson.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ __JNUM='(-?([1-9][0-9]*|0)(\.[0-9]+)?([eE][-+]?[0-9]+)?)'
__JSTR='("([^[:cntrl:]\\"]|\\(["\\\/bfnrt]|u[0-9a-fA-F]{4}))*")'
_TOK="" _TMP="" __JTOK="$__JSTR|$__JNUM|true|false|null|[][}{,:]"

_is_match() { case $1 in "$2"|'*'|.);; *)! :;; esac }
_is_match() { case "$1" in "$2"|'*'|.);; *)! :;; esac || case "$2" in "\"$1\"");; *)! :;; esac }
_err() { echo "Unexpected $1token: \"$_TOK\""; exit 1; }
_jread() {
read -r _TOK || _err "EOF after "
Expand All @@ -22,8 +22,8 @@ _jarr() {
while :; do
_jread "$1"
case $_TOK in "]") return;;
",") [ "$1" -ge 0 ] 2>/dev/null && _TMP=$(($1 - 1)) && shift && set -- "$_TMP" "$@";;
*) _err;;
",") [ "$1" -ge 0 ] 2>/dev/null && _TMP=$(($1 - 1)) && shift && set -- "$_TMP" "$@";;
*) _err;;
esac
if _is_match "$1" 0; then _jval "$@"; else _jval; fi || _err
done
Expand All @@ -49,9 +49,9 @@ _jval() {
[ "$#" -eq 0 ] || [ "$*" = . ] || shift
_jread "$1"
case $_TOK in '{') _jobj "$@";;
"[") _jarr "$@";;
true|false|null|-*|[0-9]*|'"'*'"') [ "$1" = \* ] && echo "$_TOK"; :;;
*) ! :;;
"[") _jarr "$@";;
true|false|null|-*|[0-9]*|'"'*'"') [ "$1" = \* ] && echo "$_TOK"; :;;
*) ! :;;
esac
}

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