#!/usr/bin/perl

# HTML local link checker
# usage: linkcheck ../doc/*.html

my %HREF_EXTERNAL;
my %HREF_LOCAL_FILE;
my %HREF_LOCAL;
my %NAME;

foreach $i ( @ARGV ) {
  open(FILE, "<$i");
  $NAME{"$i"} = 1;
  $NAME{"$i#"} = 1;
  while (<FILE>) {
    chomp;
    while (/href\s*?=\s*?"([^"]*)"/ig) {
      my $href = $1;
      if ($href =~ /^\w+:/) {
	$HREF_EXTERNAL{"$href"} = 1;
      } elsif ($href =~ /^#/) {
	$HREF_LOCAL{"$i$href"} = 1;
      } elsif ($href =~ /html$/ || $href =~ /html#/) {
	$HREF_LOCAL{"$href"} = 1;
      } else {
	$HREF_LOCAL_FILE{"$href"} = 1;
      }
    }
    while (/name\s*?=\s*?"([^"]*)"/ig) {
      $NAME{"$i#$1"} = 1;
    }
  }
}

foreach $i ( sort keys %HREF_EXTERNAL ) {
  print "external: $i\n";
}

foreach $i ( sort keys %HREF_LOCAL_FILE ) {
  if (-f $i) {
    print "file: $i\n";
  } else {
    print "missing: $i\n";
  }
}

foreach $i ( sort keys %HREF_LOCAL ) {
  if ($NAME{$i}) {
    print "local: $i\n";
  } else {
    print "missing: $i\n";
  }
}