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json-format.pl: fix display of empty [] and {}

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Přemysl Eric Janouch 2017-01-25 19:52:09 +01:00
parent 66f1a6afa3
commit 17331073a4
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 19 additions and 12 deletions
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json-format.pl
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@ -21,7 +21,7 @@ my $help;
if (!GetOptions('color=s' => \$color, 'help' => \$help) || $help) {
print STDERR
"Usage: $0 [OPTION...] [FILE...]\n" .
"Pretty-print and colorify JSON\n" .
"Pretty-print and colorify JSON\n" .
"\n" .
" --help print this help\n" .
" --color=COLOR 'always', 'never' or 'auto' (the default)\n";
@ -77,6 +77,7 @@ sub do_value ($$$);
sub do_object ($) {
my $json = shift;
my $in_field_name = 1;
my $first = 1;
while (my ($token, $text) = nexttoken $json) {
if ($token eq 'COLON') {
$in_field_name = 0;
@ -88,6 +89,9 @@ sub do_object ($) {
if ($token eq 'RBRACE') {
$indent--;
printindent;
} elsif ($first) {
printindent;
$first = 0;
}
do_value $token, $text, $json;
return if $token eq 'RBRACE';
@ -96,10 +100,14 @@ sub do_object ($) {
sub do_array ($) {
my $json = shift;
my $first = 1;
while (my ($token, $text) = nexttoken $json) {
if ($token eq 'RBRACKET') {
$indent--;
printindent;
} elsif ($first) {
printindent;
$first = 0;
}
do_value $token, $text, $json;
return if $token eq 'RBRACKET';
@ -115,11 +123,9 @@ sub do_value ($$$) {
}
if ($token eq 'LBRACE') {
$indent++;
printindent;
do_object $json;
} elsif ($token eq 'LBRACKET') {
$indent++;
printindent;
do_array $json;
} elsif ($token eq 'COMMA') {
printindent;
@ -129,14 +135,15 @@ sub do_value ($$$) {
}
while (<>) {
my $json = $_;
# FIXME: this way it doesn't work with pre-formatted JSON
my $json = $_;
my @matches = $json =~ /$any_token/gsc;
push @matches, substr $json, pos $json
if pos $json != length $json;
while (my ($token, $text) = nexttoken \@matches) {
next if $token eq 'WS';
do_value $token, $text, \@matches;
}
print "\n";
my @matches = $json =~ /$any_token/gsc;
push @matches, substr $json, pos $json
if pos $json != length $json;
while (my ($token, $text) = nexttoken \@matches) {
next if $token eq 'WS';
do_value $token, $text, \@matches;
}
print "\n";
}