#file:batchReplace.pl
#author:Bound0
#created:2007-04-06
#first published: http://bbs.blueidea.com/viewthread.php?tid=2734388

my $match;
my $replacement='';
my $insensitive=0;
my $global=0;
my $gi;
my $go;
my $Checktype=".htm|.html";
my $except;

if(open(setfile,"<batchReplace.set"))
{
    while(<setfile>)
    {
        if(/^\s*-I/){$insensitive=1}
        if(/^\s*-G/){$global=1}
        if(/^\s*-m=(.+)/){$match=$1}
        if(/^\s*-r=(.+)/){$replacement=$1}
        if(/^\s*-e=(.+)/){$except=$1}
        if(/^\s*-i=(.+)/){$gi=$1}
        if(/^\s*-o=(.+)/){$go=$1}
        if(/^\s*-c=(.+)/){$Checktype=$1}
        if(/^\s*Insensitive/){$insensitive=1}
        if(/^\s*Global/){$global=1}
        if(/^\s*Match=(.+)/){$match=$1}
        if(/^\s*Replacement=(.+)/){$replacement=$1}
        if(/^\s*Except=(.+)/){$except=$1}
        if(/^\s*Input=(.+)/){$gi=$1}
        if(/^\s*Output=(.+)/){$go=$1}
        if(/^\s*CheckType=(.+)/){$Checktype=$1}
    }
}

my $para=' '.join(' ',@ARGV);
if($para=~/ -I */){$insensitive=1}
if($para=~/ -G */){$global=1}
my @ti=split(/ -i */,$para);
if($ti[1]){($gi)=split(/ -(o|i|c|e|m|r|I|G)/,$ti[1])}
unless($gi){print "No \"Input path\" parameter!";exit}
my @to=split(/ -o */,$para);
if($to[1]){($go)=split(/ -(o|i|c|e|m|r|I|G)/,$to[1])}
unless($go){print "No \"Output path\" parameter!";exit}
my @tc=split(/ -c */,$para);
if($tc[1]){($Checktype)=split(/ -(o|i|c|e|m|r|I|G)/,$tc[1])}
my @te=split(/ -e */,$para);
if($te[1]){($except)=split(/ -(o|i|c|e|m|r|I|G)/,$te[1])}
my @tr=split(/ -r */,$para);
if($tr[1]){($replacement)=split(/ -(o|i|c|e|m|r|I|G)/,$tr[1])}

unless($match){$match="<iframe[^>]*>[\\s\\S]*?<\\/iframe>";
$insensitive=1;
$global=1}

my @tm=split(/ -m */,$para);
if($tm[1]){($match)=split(/ -(o|i|c|e|m|r|I|G)/,$tm[1])}
unless($match){print "No \"Match Pattern\" parameter!";exit}

my $checktyp='(';
$Checktype=~s/\./\\\./g;
$Checktype=~s/\|/\)\|\(/g;
$checktyp.=$Checktype.')$';

my $excep;
if($except){
$excep=$except;
$excep=~s/\//\\\//g;
$excep=~s/\./\\\./g;
$excep=~s/\|/\\\|/g;
$excep=~s/\[/\\\[/g;
$excep=~s/\]/\\\]/g;
$excep=~s/\(/\\\(/g;
$excep=~s/\)/\\\)/g;
$excep=~s/\$/\\\$/g;
$excep=~s/\?/\\\?/g;
}

my $replacemen;
if($replacement){
$replacemen=$replacement;
$replacemen=~s/\//\\\//g;
$replacemen=~s/\./\\\./g;
$replacemen=~s/\|/\\\|/g;
$replacemen=~s/\[/\\\[/g;
$replacemen=~s/\]/\\\]/g;
$replacemen=~s/\(/\\\(/g;
$replacemen=~s/\)/\\\)/g;
$replacemen=~s/\$/\\\$/g;
$replacemen=~s/\?/\\\?/g;
}

sub cFile
{
    my $fi;
    ($fi)=@_;
    if(opendir(DIR, $fi))
    {
        my @dir=readdir(DIR);
        closedir DIR;
        if("\\" eq substr $fi,(length $fi)-1){$fi=substr($fi,0,(length $fi)-1)}
        my @subdirs= grep { /^(?!\.)/ && -d "$fi\\$_" } @dir;
        foreach my $subdir (@subdirs)
        {
            cFile("$fi\\$subdir")
        }
        @files = grep { /$checktyp/i  && -T "$fi\\$_" } @dir;
        foreach my $fil (@files)
        {
            my $bp='';
            $bp=(substr $fi,(length $gi))."\\";
            my $bi="$fi\\$fil";
            my $bo=$go.$bp.$fil;
            remove($bi,$bo)
        }
    }
}
unless("\\" eq substr $go,(length $go)-1){$go.="\\"}
if(-d $gi)
{
    unless("\\" eq substr $gi,(length $gi)-1){$gi.="\\"}
    cFile($gi);
}
else
{
    my $bu=substr $gi,(rindex $gi,'\\');
    my $bo=$go.$bu;
    remove($gi,$bo)
}

print "\nProcess Finished!";
print "\n-i:$gi";
print "\n-o:$go";
print "\n-m:$match";
if($except){print "\n-e:$except"}
if($replacement){print "\n-r:$replacement"}
sub remove
{
    my $bi;
    my $bo;
    ($bi,$bo)=@_;

    print "\nprocessing $bi ...\n";
    unless(open(INPUT,"<$bi")){print "\n[Warn] Can not open the file <$bi>: $!";return}
    my @conts = <INPUT>;
    close INPUT;
    my $cont=join '',@conts;
    my $c;
    if($insensitive)
    {
        if($global)
        {
            unless($cont=~s/($match)/${$c=Cexcept($1)}$c/gi){die "$!"}
        }
        else
        {
            unless($cont=~s/($match)/${$c=Cexcept($1)}$c/i){die "$!"}
        }
    }
    else
    {
        if($global)
        {
            unless($cont=~s/($match)/${$c=Cexcept($1)}$c/g){die "$!"}
        }
        else
        {
            unless($cont=~s/($match)/${$c=Cexcept($1)}$c/){die "$!"}
        }
    }
    unless(open(OUT, ">$bo"))
    {
        if($!==2)
        {
            my $dbo=substr $bo,0,(rindex $bo,'\\');
            if(opendir(OUTDIR,$dbo)){closedir OUTDIR;print "\n[Warn] Can not open the output file <$bo>: $!";exit}
            else
            {
                if($!==2)
                {
                    unless(pmkpath($dbo)){print "\n[Warn] Can not creat the output directory <$dbo>: $!";exit}
                    unless(open(OUT,">>$bo")){print "\n[Warn] Can not open the output file <$bo>: $!";exit}
                }
                else{print "\n[Warn] Can not open the output directory <$dbo>: $!";exit}
            }
        }
        else{print "\n[Warn] Can not open the output file <$bo>: $!";exit}
    }

    print OUT "$cont";
    close OUT;
}
sub pmkpath
{
    my @p=split(/\\/,shift);
    my $pa=$p[0];
    my $m=$#p+1;
    my $t;
    for($t=1; -e $pa;$t++){$pa.='\\'.$p[$t]}
    unless(mkdir $pa){return 0}
    for(;$t<$m;$t++)
    {
        $pa.='\\'.$p[$t];
        unless(mkdir $pa){return 0}
    }
    return 1
}
sub Cexcept
{
    unless($except){return $replacemen}
    my $con;
    ($con)=@_;
    if($con=~/$excep/){return $con}else{return $replacemen}    
}