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json-format.pl: add a --keep-ws switch

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Přemysl Eric Janouch 2017-01-25 21:13:36 +01:00
parent 18c25e8bff
commit cd4107b782
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 12 additions and 11 deletions
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json-format.pl
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@ -16,14 +16,15 @@ my %format = (
ERROR => color('bold white on_red'),
);
my $color = 'auto';
my $help;
if (!GetOptions('color=s' => \$color, 'help' => \$help) || $help) {
my ($color, $keep_ws, $help) = 'auto';
if (!GetOptions('color=s' => \$color, 'keep-ws' => \$keep_ws, 'help' => \$help)
|| $help) {
print STDERR
"Usage: $0 [OPTION...] [FILE...]\n" .
"Pretty-print and colorify JSON\n" .
"\n" .
" --help print this help\n" .
" --keep-ws retain all original whitespace\n" .
" --color=COLOR 'always', 'never' or 'auto' (the default)\n";
exit 2;
}
@ -77,7 +78,7 @@ sub nexttoken ($) {
sub skip_ws ($) {
my $json = shift;
while (my ($token, $text) = nexttoken $json) {
next if $token eq 'WS';
next if !$keep_ws && $token eq 'WS';
return $token, $text;
}
return;
@ -103,9 +104,9 @@ sub do_object ($) {
}
if ($token eq 'RBRACE') {
$indent--;
printindent;
printindent unless $keep_ws;
} elsif ($first) {
printindent;
printindent unless $keep_ws;
$first = 0;
}
do_value $token, $text, $json;
@ -119,9 +120,9 @@ sub do_array ($) {
while (my ($token, $text) = skip_ws $json) {
if ($token eq 'RBRACKET') {
$indent--;
printindent;
printindent unless $keep_ws;
} elsif ($first) {
printindent;
printindent unless $keep_ws;
$first = 0;
}
do_value $token, $text, $json;
@ -143,9 +144,9 @@ sub do_value ($$$) {
$indent++;
do_array $json;
} elsif ($token eq 'COMMA') {
printindent;
printindent unless $keep_ws;
} elsif ($token eq 'COLON') {
print ' ';
print ' ' unless $keep_ws;
}
}
@ -153,4 +154,4 @@ my @buffer;
while (my ($token, $text) = skip_ws \@buffer) {
do_value $token, $text, \@buffer;
}
print "\n";
print "\n" unless $keep_ws;