+use strict 'vars';
+use warnings;
+
+# Modules
+use Getopt::Long;
+
+
+
#-----------------------------------------------------------------------------#
-# Variables #
+# Variables #
# ----------------------------------------------------------------------------#
-%Files = (); # List of all files.
-%Exports = (); # List of exported symbol. Value is html tag.
-%Labels = (); # List of all labels
-$LabelNum = 0; # Counter to generate unique labels
+# Global variables
+my %Files = (); # List of all files.
+my $FileCount = 0; # Number of input files
+my %Exports = (); # List of exported symbols.
+my %Imports = (); # List of imported symbols.
+my %Labels = (); # List of all labels
+my $LabelNum = 0; # Counter to generate unique labels
+
+# Command line options
+my $BGColor = "#FFFFFF"; # Background color
+my $Debug = 0; # No debugging
+my $Help = 0; # Help flag
+my $IndexCols = 6; # Columns in the file listing
+my $IndexTitle = "Index"; # Title of index page
+my $IndexName = "index.html"; # Name of index page
+my $IndexPage = 0; # Create an index page
+my $LinkStyle = 0; # Default link style
+my $ReplaceExt = 0; # Replace extension instead of appending
+my $TextColor = "#000000"; # Text color
+my $Verbose = 0; # Be quiet
#-----------------------------------------------------------------------------#
-# Helper functions #
+# Helper functions #
# ----------------------------------------------------------------------------#
# Terminate with an error
sub Abort {
- print "@_\n";
+ print STDERR "ca65html: @_\n";
exit 1;
}
+# Print a message if verbose is true
+sub Gabble {
+ if ($Verbose) {
+ print "ca65html: @_\n";
+ }
+}
+
# Generate a label and return it
sub GenLabel {
# Generate the label
sub GetOutName {
# Input name is parameter
- local $InName = @_[0];
+ my $InName = $_[0];
# Create the output file name from the input file name
- if ($InName =~ /^(.+)\.([^\.\/]*)$/) {
+ if ($ReplaceExt && $InName =~ /^(.+)\.([^\.\/]*)$/) {
return "$1.html";
} else {
- return "$InName.html";
+ return "$InName.html";
}
}
+# Remove illegal characters from a string
+sub Cleanup {
+ my $S = shift (@_);
+ $S =~ s/&/&/g;
+ $S =~ s/</</g;
+ $S =~ s/>/>/g;
+ $S =~ s/\"/"/g;
+ return $S;
+}
+
+
+
+#-----------------------------------------------------------------------------#
+# Document header and footer #
+# ----------------------------------------------------------------------------#
+
+
+
# Print the document header
sub DocHeader {
- local $OUT = shift (@_);
- local $Asm = shift (@_);
+ my $OUT = shift (@_);
+ my $Asm = shift (@_);
print $OUT <<"EOF";
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html-40/loose.dtd">
<html>
<head>
-<title>SDSL Traffic</title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+<meta name="GENERATOR" content="ca65html">
+<title>$Asm</title>
</head>
-
-<body bgcolor="#FFFFFF" text="#000000" link="#0000d0" vlink="#000060" alink="#00d0d0">
+<body bgcolor="$BGColor" text="$TextColor" link="#0000d0" vlink="#000060" alink="#00d0d0">
<p><br><p>
<center><h1>$Asm</h1></center>
<hr><p><br><p>
<pre>
-
EOF
}
# Print the document footer
sub DocFooter {
- local $OUT = shift (@_);
- local $Name = shift (@_);
+ my $OUT = shift (@_);
+ my $Name = shift (@_);
# Get the current date and time
- $Today = localtime;
+ my $Today = localtime;
print $OUT <<"EOF";
</pre>
$Name; generated on $Today by ca65html<br>
<a href=\"mailto:uz\@cc65.org\">uz\@cc65.org</a>
</address>
-
</body>
</html>
EOF
-# Remove illegal characters from a string
-sub Cleanup {
- local $S = shift (@_);
- $S =~ s/&/&/g;
- $S =~ s/</</g;
- $S =~ s/>/>/g;
- $S =~ s/\"/"/g;
- return $S;
+#-----------------------------------------------------------------------------#
+# File list management #
+# ----------------------------------------------------------------------------#
+
+
+
+sub AddFile {
+
+ # Argument is file to add
+ my $FileName = $_[0];
+
+ # Remove a path name if we have one
+ $FileName =~ /^(.*?)([^\/]*)$/;
+ my $Path = $1;
+ my $Name = $2;
+
+ # Check if we have the file already
+ if (exists ($Files{$Name})) {
+ Gabble ("File \"$FileName\" already known");
+ return;
+ }
+
+ # Check with the full pathname. If we don't find it, search in the current
+ # directory
+ if (-f $FileName && -r $FileName) {
+ $Files{$Name} = $FileName;
+ $FileCount++;
+ } elsif (-f $Name && -r $Name) {
+ $Files{$Name} = $Name;
+ $FileCount++;
+ } else {
+ Abort ("$FileName not found or not readable");
+ }
}
#-----------------------------------------------------------------------------#
-# Pass 1 #
+# Referencing and defining labels #
+# ----------------------------------------------------------------------------#
+
+
+
+# Get a label reference
+sub RefLabel {
+
+ # Arguments are: Filename, identifier, item that should be tagged
+ my $FileName = $_[0];
+ my $Id = $_[1];
+ my $Item = $_[2];
+
+ # Search for the identifier in the list of labels
+ if (exists ($Labels{$FileName}{$Id})) {
+ # It is a label (in this file)
+ return sprintf ("<a href=\"#%s\">%s</a>", $Labels{$FileName}{$Id}, $Item);
+ } elsif (exists ($Imports{$FileName}{$Id})) {
+ # It is an import. If LinkStyle is 1, or if the file exporting the
+ # identifier is not visible, we link to the .import statement in the
+ # current file. Otherwise we link directly to the referenced symbol
+ # in the file that exports it.
+ if ($LinkStyle == 1 or not exists ($Exports{$Id})) {
+ return sprintf ("<a href=\"#%s\">%s</a>", $Imports{$FileName}{$Id}, $Item);
+ } else {
+ # Get the filename from the export
+ my $Label;
+ ($FileName, $Label) = split (/#/, $Exports{$Id});
+ if (not defined ($Labels{$FileName}{$Id})) {
+ # This may currently happen because we don't see .include
+ # statements, so we may have an export but no definition.
+ # Link to the .export statement instead
+ $Label = $Exports{$Id};
+ } else {
+ # Link to the definition in the file
+ $Label = sprintf ("%s#%s", $FileName, $Labels{$FileName}{$Id});
+ }
+ return sprintf ("<a href=\"%s\">%s</a>", $Label, $Item);
+ }
+ } else {
+ # The symbol is unknown, return as is
+ return $Item;
+ }
+}
+
+
+
+#-----------------------------------------------------------------------------#
+# Pass 1 #
# ----------------------------------------------------------------------------#
sub Process1 {
# Variables
- local $Line;
- local $Id;
+ my $Line;
+ my $Id;
# Filename is parameter
- local $InName = shift(@_);
+ my $InName = shift(@_);
# Create the output file name from the input file name
- local $OutName = GetOutName ($InName);
+ my $OutName = GetOutName ($InName);
# Current cheap local label prefix is empty
- local $CheapPrefix = "";
+ my $CheapPrefix = "";
# Open a the input file
- open (INPUT, "<$InName") or Abort ("Cannot open $InName");
+ my $FileName = $Files{$InName}; # Includes path if needed
+ open (INPUT, "<$FileName") or Abort ("Cannot open $FileName: $!");
# Read and process all lines from the file
while ($Line = <INPUT>) {
- # Remove the newline
- chop ($Line);
+ # Remove the newline
+ chop ($Line);
- # Check for a label
- if ($Line =~ /^\s*(\@?)([_a-zA-Z][_\w]*)\s*(:|=)/) {
+ # Check for a label
+ if ($Line =~ /^\s*(\@?)([_a-zA-Z][_\w]*)\s*(:|=)/) {
# Is this a local label?
if ($1 eq "\@") {
- # Use the prefix
- $Id = "$CheapPrefix$1$2";
+ # Use the prefix
+ $Id = "$CheapPrefix$1$2";
} else {
- # Use as is
- $Id = $2;
- # Remember the id as new cheap local prefix
- $CheapPrefix = $Id;
+ # Use as is
+ $Id = $2;
+ # Remember the id as new cheap local prefix
+ $CheapPrefix = $Id;
}
# Remember the label
- $Labels{$InName}{$Id} = GenLabel();
+ $Labels{$OutName}{$Id} = GenLabel();
- # Check for an import statement
- } elsif ($Line =~ /^\s*(\.import|\.importzp|.proc)\s+(.*?)(\s*)(;.*$|$)/) {
+ # Check for an import statement
+ } elsif ($Line =~ /^\s*(\.import|\.importzp)\s+(.*?)(\s*)(;.*$|$)/) {
# Split into a list of identifiers
- local @Ids = split (/\s*,\s*/, $2);
- for my $Id (@Ids) {
- $Labels{$InName}{$Id} = GenLabel();
+ my @Ids = split (/\s*,\s*/, $2);
+ for $Id (@Ids) {
+ $Imports{$OutName}{$Id} = GenLabel();
}
# Check for an export statement
} elsif ($Line =~ /^\s*(\.export|\.exportzp)\s+(.*?)(\s*)(;.*$|$)/) {
# Split into a list of identifiers
- local @Ids = split (/\s*,\s*/, $2);
- for my $Id (@Ids) {
- $Exports{$Id} = sprintf ("%s#%s", $OutName, GenLabel());
+ my @Ids = split (/\s*,\s*/, $2);
+ for $Id (@Ids) {
+ $Exports{$Id} = sprintf ("%s#%s", $OutName, GenLabel());
}
- }
+ # Check for a .proc statement
+ } elsif ($Line =~ /^\s*\.proc\s+([_a-zA-Z][_\w]*)?.*$/) {
+
+ # Do we have an id?
+ $Id = $1;
+ if ($Id ne "") {
+ $Labels{$OutName}{$Id} = GenLabel();
+ }
+
+ }
}
# Close the input file
# Pass1: Read all files for the first time.
-sub Pass1 {
-
- # List of new files we found
- local @NewFiles = ();
+sub Pass1 () {
# Walk over the files
- for my $InName (@_) {
+ for my $InName (keys (%Files)) {
- # Process one file
- Process1 ($InName);
+ # Process one file
+ Process1 ($InName);
}
}
sub Process2 {
# Variables
- local $Base;
- local $Ext;
- local $Line;
- local $OutLine;
- local $Id;
- local $Label;
- local $Operand;
- local $Comment;
+ my $Base;
+ my $Ext;
+ my $Line;
+ my $OutLine;
+ my $Id;
+ my $Label;
+ my $Operand;
+ my $Comment;
# Input file is parameter
- local $InName = shift(@_);
+ my $InName = shift(@_);
# Create the output file name from the input file name
- local $OutName = GetOutName ($InName);
+ my $OutName = GetOutName ($InName);
# Current cheap local label prefix is empty
- local $CheapPrefix = "";
+ my $CheapPrefix = "";
# Open a the input file
- open (INPUT, "<$InName") or Abort ("Cannot open $InName");
+ my $FileName = $Files{$InName}; # Includes path if needed
+ open (INPUT, "<$FileName") or Abort ("Cannot open $FileName: $!");
# Open the output file and print the HTML header
- open (OUTPUT, ">$OutName") or Abort ("Cannot open $OutName");
+ open (OUTPUT, ">$OutName") or Abort ("Cannot open $OutName: $!");
DocHeader (OUTPUT, $InName);
# The instructions that will have hyperlinks if a label is used
- local $Ins = "adc|add|and|bcc|bcs|beq|bit|bmi|bne|bpl|bcv|bvs|cmp|cpx|cpy|dec|".
- "eor|inc|jmp|jsr|lda|ldx|ldy|ora|rol|sbc|sta|stx|sty|sub|";
+ my $Ins = "adc|add|and|bcc|bcs|beq|bit|bmi|bne|bpl|bcv|bra|bvs|".
+ "cmp|cpx|cpy|dec|eor|inc|jmp|jsr|lda|ldx|ldy|ora|rol|".
+ "sbc|sta|stx|sty|sub|";
# Read the input file, replacing references by hyperlinks and mark
# labels as link targets.
# Is this a local label?
if ("$1" eq "\@") {
# Use the prefix
- $Id = "$CheapPrefix$1$2";
+ $Id = "$CheapPrefix$1$2";
} else {
# Use as is
$Id = $2;
}
# Get the label for the id
- $Label = $Labels{$InName}{$Id};
+ $Label = $Labels{$OutName}{$Id};
# Print the label with a tag
$OutLine .= sprintf ("<a name=\"%s\">%s%s</a>%s%s", $Label, $1, $2, $3, $4);
# Print any leading whitespace and remove it, so we don't have to
# care about whitespace below.
if ($Line =~ /^(\s+)(.*)$/) {
- $OutLine .= "$1";
+ $OutLine .= "$1";
$Line = $2;
}
$Line = $2;
# Variable to assemble HTML representation
- local $Item = $Id;
+ my $Item = $Id;
# If we have an export for this import, add a link to this
- # export definition
+ # export definition
if (exists ($Exports{$Id})) {
$Label = $Exports{$Id};
$Item = sprintf ("<a href=\"%s\">%s</a>", $Label, $Item);
}
# Make this import a link target
- if (exists ($Labels{$InName}{$Id})) {
- $Label = $Labels{$InName}{$1};
+ if (exists ($Imports{$OutName}{$Id})) {
+ $Label = $Imports{$OutName}{$1};
$Item = sprintf ("<a name=\"%s\">%s</a>", $Label, $Item);
}
# Add the HTML stuff to the output line
- $OutLine .= $Item;
+ $OutLine .= $Item;
- # Check if another identifier follows
+ # Check if another identifier follows
if ($Line =~ /^(\s*),(\s*)(.*)$/) {
- $OutLine .= "$1,$2";
+ $OutLine .= "$1,$2";
$Line = $3;
} else {
last;
- }
+ }
}
# Add an remainder if there is one
$Line = $2;
# Variable to assemble HTML representation
- local $Item = $Id;
+ my $Item = $Id;
# If we have a definition for this export in this file, add
# a link to the definition.
- if (exists ($Labels{$InName}{$1})) {
- $Label = $Labels{$InName}{$1};
+ if (exists ($Labels{$OutName}{$1})) {
+ $Label = $Labels{$OutName}{$1};
$Item = sprintf ("<a href=\"#%s\">%s</a>", $Label, $Item);
}
if (exists ($Exports{$Id})) {
$Label = $Exports{$Id};
# Be sure to use only the label part
- $Label =~ s/^(.*#)(.*)$/$2/;
+ $Label =~ s/^(.*#)(.*)$/$2/;
$Item = sprintf ("<a name=\"%s\">%s</a>", $Label, $Item);
- }
-
- # Add the HTML stuff to the output line
- $OutLine .= $Item;
-
- # Check if another identifier follows
- if ($Line =~ /^(\s*),(\s*)(.*)$/) {
- $OutLine .= "$1,$2";
- $Line = $3;
- } else {
- last;
- }
- }
-
- # Add an remainder if there is one
- $OutLine .= Cleanup ($Line);
-
- # Check for .addr and .word
- } elsif ($Line =~ /^(\.addr|\.word)(\s+)(.*)$/) {
-
- # Print the command the and white space
- $OutLine .= "$1$2";
- $Line = $3;
-
- # Print all identifiers if there are any
- while ($Line =~ /^([_a-zA-Z][_\w]*)(.*)$/) {
- if (exists ($Labels{$InName}{$1})) {
- $Label = $Labels{$InName}{$1};
+ }
+
+ # Add the HTML stuff to the output line
+ $OutLine .= $Item;
+
+ # Check if another identifier follows
+ if ($Line =~ /^(\s*),(\s*)(.*)$/) {
+ $OutLine .= "$1,$2";
+ $Line = $3;
+ } else {
+ last;
+ }
+ }
+
+ # Add an remainder if there is one
+ $OutLine .= Cleanup ($Line);
+
+ # Check for .addr and .word
+ } elsif ($Line =~ /^(\.addr|\.word)(\s+)(.*)$/) {
+
+ # Print the command the and white space
+ $OutLine .= "$1$2";
+ $Line = $3;
+
+ # Print all identifiers if there are any
+ while ($Line =~ /^([_a-zA-Z][_\w]*)(.*)$/) {
+ if (exists ($Labels{$OutName}{$1})) {
+ $Label = $Labels{$OutName}{$1};
$OutLine .= sprintf ("<a href=\"#%s\">%s</a>", $Label, $1);
- } else {
- $OutLine .= "$1";
- }
- $Line = $2;
- if ($Line =~ /^(\s*),(\s*)(.*)$/) {
- $OutLine .= "$1,$2";
- $Line = $3;
- } else {
- last;
- }
+ } else {
+ $OutLine .= "$1";
+ }
+ $Line = $2;
+ if ($Line =~ /^(\s*),(\s*)(.*)$/) {
+ $OutLine .= "$1,$2";
+ $Line = $3;
+ } else {
+ last;
+ }
+ }
+
+ # Add an remainder if there is one
+ $OutLine .= Cleanup ($Line);
+
+ # Handle .proc
+ } elsif ($Line =~ /^(\.proc\s+)([_a-zA-Z][_\w]*)?(.*)$/) {
+
+ # Do we have an identifier?
+ if ($2 ne "") {
+ # Get the label for the id
+ $Label = $Labels{$OutName}{$2};
+
+ # Print the label with a tag
+ $OutLine .= sprintf ("%s<a name=\"%s\">%s</a>", $1, $Label, $2);
+
+ # Use the remainder for line
+ $Line = $3;
}
- # Add an remainder if there is one
+ # Cleanup the remainder and add it
$OutLine .= Cleanup ($Line);
- # Check for any legal instruction
- } elsif ($Line =~ /^($Ins)(\s+)(.*?)(\s*)(;.*$|$)/) {
+ # Check for any legal instruction
+ } elsif ($Line =~ /^($Ins)(\s+)(.*?)(\s*)(;.*$|$)/) {
# Print the instruction and white space
$OutLine .= "$1$2";
$Id = $3;
}
- # Do we have a label for this id?
- if (exists ($Labels{$InName}{$Id})) {
- $Label = $Labels{$InName}{$Id};
- $Operand = sprintf ("%s<a href=\"#%s\">%s%s</a>%s",
- Cleanup($1), $Label, $2, $3, Cleanup ($4));
- }
-
+ # Get the reference to this label if we find it
+ $Operand = Cleanup($1) . RefLabel($OutName, $Id, $2 . $3) . Cleanup($4);
}
# Reassemble and print the line
$OutLine .= "$Operand$Comment";
- } else {
+ } else {
# Nothing known - print the line
$OutLine .= Cleanup ($Line);
}
# Print the result
- print OUTPUT "$OutLine\n";
+ print OUTPUT "$OutLine\n";
}
# Print the HTML footer
# Pass2: Read all files the second time.
-sub Pass2 {
+sub Pass2 () {
# Walk over the files
- for my $InName (@_) {
+ for my $InName (keys (%Files)) {
# Process one file
Process2 ($InName);
-# ----------------------------------------------------------
-# Code
-# ----------------------------------------------------------
+#-----------------------------------------------------------------------------#
+# Create an index page #
+# ----------------------------------------------------------------------------#
+
+
+
+# Print a list of all files
+sub FileIndex {
+
+ # File is argument
+ my $INDEX = $_[0];
+
+ # Print the file list in a table
+ print $INDEX "<h2>Files</h2><p>\n";
+ print $INDEX "<table border=\"0\" width=\"100%\">\n";
+ my $Count = 0;
+ for my $File (sort (keys (%Files))) {
+
+ #
+ if (($Count % $IndexCols) == 0) {
+ print $INDEX "<tr>\n";
+ }
+ printf $INDEX "<td><a href=\"%s\">%s</a></td>\n", GetOutName ($File), $File;
+ if (($Count % $IndexCols) == $IndexCols-1) {
+ print $INDEX "</tr>\n";
+ }
+ $Count++;
+ }
+ if (($Count % $IndexCols) != 0) {
+ print $INDEX "</tr>\n";
+ }
+ print $INDEX "</table><p><br><p>\n";
+}
+
+
+
+# Print a list of all exports
+sub ExportIndex {
+
+ # File is argument
+ my $INDEX = $_[0];
+
+ # Print the file list in a table
+ print $INDEX "<h2>Exports</h2><p>\n";
+ print $INDEX "<table border=\"0\" width=\"100%\">\n";
+ my $Count = 0;
+ for my $Export (sort (keys (%Exports))) {
+
+ # Get the export
+ my $File;
+ my $Label;
+ ($File, $Label) = split (/#/, $Exports{$Export});
+
+ # The label is the label of the export statement. If we can find the
+ # actual label, use this instead.
+ if (exists ($Labels{$File}{$Export})) {
+ $Label = $Labels{$File}{$Export};
+ }
+
+ #
+ if (($Count % $IndexCols) == 0) {
+ print $INDEX "<tr>\n";
+ }
+ printf $INDEX "<td><a href=\"%s#%s\">%s</a></td>\n", $File, $Label, $Export;
+ if (($Count % $IndexCols) == $IndexCols-1) {
+ print $INDEX "</tr>\n";
+ }
+ $Count++;
+ }
+ if (($Count % $IndexCols) != 0) {
+ print $INDEX "</tr>\n";
+ }
+ print $INDEX "</table><p><br><p>\n";
+}
+
+
+
+sub CreateIndex {
+
+ # Open the index page file
+ open (INDEX, ">$IndexName") or Abort ("Cannot open $IndexName: $!");
+
+ # Print the header
+ print INDEX <<"EOF";
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html-40/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content=\"text/html; charset=iso-8859-1">
+<meta name="GENERATOR" content="ca65html">
+<title>$IndexTitle</title>
+</head>
+<body bgcolor="$BGColor" text="$TextColor" link="#0000d0" vlink="#000060" alink="#00d0d0">
+<p><br><p>
+<center><h1>$IndexTitle</h1></center>
+<hr><p><br><p>
+EOF
+
+ # Print the file list in a table
+ FileIndex (INDEX);
+ ExportIndex (INDEX);
+
+ # Print the document footer
+ my $Today = localtime;
+ print INDEX <<"EOF";
+<p><br><p>
+<hr size=1 noshade>
+<address>
+ <a href="http://validator.w3.org/check/referer"><img border=0
+ src="http://validator.w3.org/images/vh40"
+ alt="Valid HTML 4.0!" height="31" width="88" align=right></a>
+ $IndexName; generated on $Today by ca65html<br>
+ <a href=\"mailto:uz\@cc65.org\">uz\@cc65.org</a>
+</address>
+</body>
+</html>
+EOF
+
+ # Close the index file
+ close (INDEX);
+}
+
+
+
+#-----------------------------------------------------------------------------#
+# Print usage information #
+# ----------------------------------------------------------------------------#
+
-# Get the arguments
-#if ($#ARGV != 0) {
-# printf STDERR "Usage: %s asm-file\n", $ARGV[0];
-# exit (1);
-#}
-#
-Pass1 (@ARGV);
-Pass2 (@ARGV);
+sub Usage {
+ print "Usage: ca65html [options] file ...\n";
+ print "Options:\n";
+ print "\t--bgcolor c\tUse background color c instead of $BGColor\n";
+ print "\t--help\t\tThis text\n";
+ print "\t--indexcols n\tUse n columns on index page (default $IndexCols)\n";
+ print "\t--indexname f\tUse name f for the index file instead of $IndexName\n";
+ print "\t--indexpage\tCreate an index page\n";
+ print "\t--indextitle t\tUse t as the index title instead of $IndexTitle\n";
+ print "\t--linkstyle s\tUse the given link style\n";
+ print "\t--replaceext\tReplace source extension instead of appending .html\n";
+ print "\t--textcolor c\tUse text color c instead of $TextColor\n";
+ print "\t--verbose\tBe more verbose\n";
+}
+
+
+
+#-----------------------------------------------------------------------------#
+# Main #
+# ----------------------------------------------------------------------------#
+
+# Get program options
+GetOptions ("bgcolor=s" => \$BGColor,
+ "debug!" => \$Debug,
+ "help" => \$Help,
+ "indexcols=i" => \$IndexCols,
+ "indexname=s" => \$IndexName,
+ "indexpage" => \$IndexPage,
+ "indextitle=s" => \$IndexTitle,
+ "linkstyle=i" => \$LinkStyle,
+ "replaceext" => \$ReplaceExt,
+ "textcolor=s" => \$TextColor,
+ "verbose!" => \$Verbose,
+ "<>" => \&AddFile);
+
+# Check some arguments
+if ($IndexCols <= 0 || $IndexCols >= 20) {
+ Abort ("Invalid value for --indexcols option");
+}
+
+# Print help if requested
+if ($Help) {
+ Usage ();
+}
+
+# Check if we have input files given
+if ($FileCount == 0) {
+ Abort ("No input files");
+}
+
+# Convert the documents
+Pass1 ();
+Pass2 ();
+
+# Generate an index page if requested
+if ($IndexPage) {
+ CreateIndex ();
+}
+
# Done
exit 0;