File Coverage

File:lib/CheckSpelling/Util.pm
Coverage:97.5%

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1#! -*-perl-*-
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use v5.20;
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use utf8;
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use feature 'unicode_strings';
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7package CheckSpelling::Util;
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use Encode qw/decode_utf8 encode_utf8 FB_DEFAULT/;
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use HTTP::Date;
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use feature 'signatures';
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no warnings qw(experimental::signatures);
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14our $VERSION='0.1.0';
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16sub get_file_from_env {
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  my ($var, $fallback) = @_;
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  return $fallback unless defined $ENV{$var};
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  $ENV{$var} =~ /(.*)/s;
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  return $fallback if $1 eq '';
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  return $1;
22}
23
24sub get_file_from_env_utf8 {
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  return decode_utf8(get_file_from_env(@_));
26}
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28sub get_val_from_env {
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  my ($var, $fallback) = @_;
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  return $fallback unless defined $ENV{$var};
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  $ENV{$var} =~ /^(\d+)$/;
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  return $1 || $fallback;
33}
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sub case_biased :prototype($$) ($a, $b) {
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  lc($a) cmp lc($b) || $a cmp $b;
37}
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sub number_biased :prototype($$) ($a, $b) {
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  my ($aUnchecked, $bUnchecked) = ($a, $b);
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  while ($aUnchecked ne '' && $bUnchecked ne '') {
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    my ($aNumber, $bNumber);
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    if ($aUnchecked =~ m/^(\d+)(.*)/) {
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      $aNumber = $1;
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      $aUnchecked = $2;
46    }
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    if ($bUnchecked =~ m/^(\d+)(.*)/) {
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      $bNumber = $1;
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      $bUnchecked = $2;
50    }
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    if (defined $aNumber && defined $bNumber) {
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      return $aNumber <=> $bNumber if ($aNumber != $bNumber);
53    } else {
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      return $aNumber cmp $bUnchecked if defined $aNumber;
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      return $aUnchecked cmp $bNumber if defined $bNumber;
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      my ($aLetters, $bLetters);
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      $aUnchecked =~ m/^(\D+)(.*)/;
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      $aLetters = $1;
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      $aUnchecked = $2;
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      $bUnchecked =~ m/^(\D+)(.*)/;
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      $bLetters = $1;
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      $bUnchecked = $2;
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      return case_biased($aLetters, $bLetters) if (defined $aLetters && defined $bLetters && !($aLetters eq $bLetters));
66    }
67  }
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  return $aUnchecked cmp $bUnchecked;
69}
70
71sub list_with_terminator {
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  my ($terminator, @list) = @_;
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  return join "", map { "$_$terminator" } @list;
74}
75
76sub read_file {
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  my ($name) = @_;
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  local $/ = undef;
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  my ($text, $file);
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  if (open $file, '<:utf8', $name) {
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    $text = <$file>;
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    close $file;
83  } else {
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    print STDERR "Could not open file ($name)\n";
85  }
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  return $text;
87}
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89sub maybe_str2time {
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  my ($time) = @_;
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  $time = str2time $time;
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  return $time if $time;
93}
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95sub print_insert {
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  open INSERT, "<", $ENV{insert};
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  local $/=undef;
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  print <INSERT>;
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  print "\n";
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  close INSERT;
101}
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103sub insert_into_summary {
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  my $state=0;
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  open BASE, "<", $ENV{base};
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  while (<BASE>){
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    if ($state==0) {
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      $state = 1 if /^(?:#+ |<details><summary>)Unrecognized words/;
109    } elsif ($state==1) {
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      if (/<details><summary>These words/) {
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        $state=2;
112      } elsif (m{<details><summary>To accept }) {
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        $state=3;
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        print_insert();
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        print "**OR**\n\n\n";
116      } elsif (m{^<details><summary>}) {
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        $state=3;
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        print_insert();
119      }
120    } elsif ($state==2) {
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      $state=1 if m{^</details><p></p>};
122    }
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    print;
124  }
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  close BASE;
126}
127
128sub calculate_delay {
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  my (@lines) = @_;
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  my $now_stamp = time;
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  my ($requested, $expires, $delay);
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  for my $line (@lines) {
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    if ($line =~ /^date:\s*(.*)/i) {
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      $requested = maybe_str2time($1);
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      next;
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    if ($line =~ /^expires:\s*(.*)/i) {
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      $expires = maybe_str2time($1);
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      next;
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    next unless $line =~ /^retry-after:\s*(\d+)/i;
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    $delay = $1 || 1;
143  }
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  return $delay if defined $delay;
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  if (defined $requested && defined $expires) {
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    $delay = $expires - $requested;
147  }
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  $delay = 5 unless defined $delay && $delay > 0;
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  return $delay;
151}
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153sub truncate_with_ellipsis {
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  my ($text, $length) = @_;
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  $text =~ s/^(.{$length}).{4,}?(\s?`+|)$/$1$2…/;
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  return $text;
157}
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159sub wrap_in_backticks {
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  my ($a) = @_;
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  my $longest = 0;
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  while ($a =~ /(`+)/g) {
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    my $length = length $1;
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    $longest = $length if $length > $longest;
165  }
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  my $q = '`'x ($longest + 1);
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  $a = " $a " if ($a =~ /^`|`$/);
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  return "$q$a$q";
169}
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171sub tear_here {
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  my ($exit) = @_;
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  our $exited;
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  return if defined $exited;
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  print STDERR "\n<<<TEAR HERE<<<exit: $exit\n";
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  print STDOUT "\n<<<TEAR HERE<<<exit: $exit\n";
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  $exited = $exit;
178}
179sub die_custom {
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  my ($program, $line, $message) = @_;
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  print STDERR "$message at $program line $line.\n";
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  tear_here(1);
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  die "stopping";
184}
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1861;