File:  [LON-CAPA] / nsdl / build / lpml_parse.pl
Revision 1.2: download - view: text, annotated - select for diffs
Sat Oct 12 15:17:42 2002 UTC (22 years ago) by harris41
Branches: MAIN
CVS tags: HEAD
updating NSDL build system to use the latest LPML XML parser

    1: #!/usr/bin/perl
    2: 
    3: # -------------------------------------------------------- Documentation notice
    4: # Run "perldoc ./lpml_parse.pl" in order to best view the software
    5: # documentation internalized in this program.
    6: 
    7: # --------------------------------------------------------- Distribution notice
    8: # This script is distributed with the LPML software project available at
    9: # http://lpml.sourceforge.net
   10: 
   11: # --------------------------------------------------------- License Information
   12: # The LearningOnline Network with CAPA
   13: # lpml_parse.pl - Linux Packaging Markup Language parser
   14: #
   15: # $Id: lpml_parse.pl,v 1.2 2002/10/12 15:17:42 harris41 Exp $
   16: #
   17: # Written by Scott Harrison, codeharrison@yahoo.com
   18: #
   19: # Copyright Michigan State University Board of Trustees
   20: #
   21: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   22: #
   23: # LON-CAPA is free software; you can redistribute it and/or modify
   24: # it under the terms of the GNU General Public License as published by
   25: # the Free Software Foundation; either version 2 of the License, or
   26: # (at your option) any later version.
   27: #
   28: # LON-CAPA is distributed in the hope that it will be useful,
   29: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   30: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   31: # GNU General Public License for more details.
   32: #
   33: # You should have received a copy of the GNU General Public License
   34: # along with LON-CAPA; if not, write to the Free Software
   35: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   36: #
   37: # /home/httpd/html/adm/gpl.txt
   38: #
   39: # http://www.lon-capa.org/
   40: #
   41: # YEAR=2001
   42: # May 2001
   43: # 06/19/2001,06/20,06/24 - Scott Harrison
   44: # 9/5/2001,9/6,9/7,9/8 - Scott Harrison
   45: # 9/17,9/18 - Scott Harrison
   46: # 11/4,11/5,11/6,11/7,11/16,11/17 - Scott Harrison
   47: # 12/2,12/3,12/4,12/5,12/6,12/13,12/19,12/29 - Scott Harrison
   48: # YEAR=2002
   49: # 1/8,1/9,1/29,1/31,2/5,3/21,4/8,4/12 - Scott Harrison
   50: #
   51: ###
   52: 
   53: ###############################################################################
   54: ##                                                                           ##
   55: ## ORGANIZATION OF THIS PERL SCRIPT                                          ##
   56: ## 1. Notes                                                                  ##
   57: ## 2. Get command line arguments                                             ##
   58: ## 3. First pass through (grab distribution-specific information)            ##
   59: ## 4. Second pass through (parse out what is not necessary)                  ##
   60: ## 5. Third pass through (translate markup according to specified mode)      ##
   61: ## 6. Functions (most all just format contents of different markup tags)     ##
   62: ## 7. POD (plain old documentation, CPAN style)                              ##
   63: ##                                                                           ##
   64: ###############################################################################
   65: 
   66: # ----------------------------------------------------------------------- Notes
   67: #
   68: # I am using a multiple pass-through approach to parsing
   69: # the lpml file.  This saves memory and makes sure the server
   70: # will never be overloaded.
   71: #
   72: # This is meant to parse files meeting the lpml document type.
   73: # See lpml.dtd.  LPML=Linux Packaging Markup Language.
   74: 
   75: use HTML::TokeParser;
   76: 
   77: my $usage=<<END;
   78: **** ERROR ERROR ERROR ERROR ****
   79: Usage is for lpml file to come in through standard input.
   80: 1st argument is the mode of parsing:
   81:     install,configinstall,build,rpm,dpkg,htmldoc,textdoc,status
   82: 2nd argument is the category permissions to use:
   83:     typical choices: runtime,development
   84: 3rd argument is the distribution:
   85:     typical choices: default,redhat6.2,debian2.2,redhat7
   86: 4th argument is to manually specify a sourceroot.
   87: 5th argument is to manually specify a targetroot.
   88: 
   89: Only the 1st argument is mandatory for the program to run.
   90: 
   91: Example:
   92: 
   93: cat ../../doc/loncapafiles.lpml |\\
   94: perl lpml_parse.pl html development default /home/sherbert/loncapa /tmp/install
   95: 
   96: For more information, type "perldoc lpml_parse.pl".
   97: END
   98: 
   99: # ------------------------------------------------- Grab command line arguments
  100: 
  101: my $mode='';
  102: if (@ARGV==5) {
  103:     $mode = shift @ARGV;
  104: }
  105: else {
  106:     @ARGV=();shift @ARGV;
  107:     while(<>){} # throw away the input to avoid broken pipes
  108:     print $usage;
  109:     exit -1; # exit with error status
  110: }
  111: 
  112: my $categorytype='';
  113: if (@ARGV) {
  114:     $categorytype = shift @ARGV;
  115: }
  116: 
  117: my $dist='';
  118: if (@ARGV) {
  119:     $dist = shift @ARGV;
  120: }
  121: 
  122: my $targetroot='';
  123: my $sourceroot='';
  124: my $targetrootarg='';
  125: my $sourcerootarg='';
  126: if (@ARGV) {
  127:     $sourceroot = shift @ARGV;
  128: }
  129: if (@ARGV) {
  130:     $targetroot = shift @ARGV;
  131: }
  132: $sourceroot=~s/\/$//; # remove trailing directory slash
  133: $targetroot=~s/\/$//; # remove trailing directory slash
  134: $sourcerootarg=$sourceroot;
  135: $targetrootarg=$targetroot;
  136: 
  137: my $logcmd='| tee -a WARNINGS';
  138: 
  139: my $invocation; # Record how the program was invoked
  140: # --------------------------------------------------- Record program invocation
  141: if ($mode eq 'install' or $mode eq 'configinstall' or $mode eq 'build') {
  142:     $invocation=(<<END);
  143: # Invocation: STDINPUT | lpml_parse.pl
  144: #             1st argument (mode) is: $mode
  145: #             2nd argument (category type) is: $categorytype
  146: #             3rd argument (distribution) is: $dist
  147: #             4th argument (sourceroot) is: described below
  148: #             5th argument (targetroot) is: described below
  149: END
  150: }
  151: 
  152: # -------------------------- Start first pass through (just gather information)
  153: my @parsecontents=<>;
  154: my $parsestring=join('',@parsecontents);
  155: 
  156: # Need to make a pass through and figure out what defaults are
  157: # overrided.  Top-down overriding strategy (tree leaves don't know
  158: # about distant tree leaves).
  159: 
  160: my @hierarchy;
  161: $hierarchy[0]=0;
  162: my $hloc=0;
  163: my $token;
  164: $parser = HTML::TokeParser->new(\$parsestring) or
  165:     die('can\'t create TokeParser object');
  166: $parser->xml_mode('1');
  167: my %setting;
  168: 
  169: # Values for the %setting hash
  170: my $defaultset=1; # a default setting exists for a key
  171: my $distset=2; # a distribution setting exists for a key
  172:                # (overrides default setting)
  173: 
  174: my $key=''; # this is a unique key identifier (the token name with its
  175:             # coordinates inside the hierarchy)
  176: while ($token = $parser->get_token()) { # navigate through $parsestring
  177:     if ($token->[0] eq 'S') {
  178: 	$hloc++;
  179: 	$hierarchy[$hloc]++;
  180: 	$key=$token->[1].join(',',@hierarchy[0..($hloc-1)]);
  181: 	my $thisdist=' '.$token->[2]{'dist'}.' ';
  182: 	if ($thisdist eq ' default ') {
  183: 	    $setting{$key}=$defaultset;
  184: 	}
  185: 	elsif (length($dist)>0 &&
  186: 	       $setting{$key}==$defaultset &&
  187: 	       $thisdist=~/\s$dist\s/) {
  188: 	    $setting{$key}=$distset;
  189:                    # disregard default setting for this key if
  190:                    # there is a directly requested distribution match
  191:                    # (in other words, there must first be a default
  192: 	           # setting for a key in order for it to be overridden)
  193: 	}
  194:     }
  195:     if ($token->[0] eq 'E') {
  196: 	$hloc--;
  197:     }
  198: }
  199: 
  200: # - Start second pass through (clean up the string to allow for easy rendering)
  201: 
  202: # The string is cleaned up so that there is no white-space surrounding any
  203: # XML tag.  White-space inside text 'T' elements is preserved.
  204: 
  205: # Clear up memory
  206: undef($hloc);
  207: undef(@hierarchy);
  208: undef($parser);
  209: $hierarchy[0]=0; # initialize hierarchy
  210: $parser = HTML::TokeParser->new(\$parsestring) or
  211:     die('can\'t create TokeParser object');
  212: $parser->xml_mode('1');
  213: my $cleanstring; # contains the output of the second step
  214: while ($token = $parser->get_token()) { # navigate through $parsestring
  215:     if ($token->[0] eq 'S') { # a start tag
  216: 	$hloc++;
  217: 	$hierarchy[$hloc]++;
  218: 	$key=$token->[1].join(',',@hierarchy[0..($hloc-1)]);
  219: 
  220: 	# Surround tagdist (the dist attribute of an XML tag)
  221: 	# with white-space to allow for uniform searching a few
  222: 	# lines below here.
  223: 	my $tagdist=' '.$token->[2]{'dist'}.' ';
  224: 
  225: 	# This conditional clause is set up to ignore two sets
  226: 	# of invalid conditions before accepting entry into
  227: 	# $cleanstring.
  228: 
  229: 	# Condition #1: Ignore this part of the string if the tag 
  230: 	# has a superior distribution-specific setting and the tag
  231: 	# being evaluated has a dist setting something other than
  232: 	# blank or $dist.
  233: 	if ($setting{$key}==$distset and
  234: 	    !($tagdist eq '  ' or $tagdist =~/\s$dist\s/)) {
  235: 	    if ($token->[4]!~/\/>$/) {
  236: 		$parser->get_tag('/'.$token->[1]);
  237: 		$hloc--;
  238: 	    }
  239: 	}
  240: 	# Condition #2: Ignore this part of the string if the tag has
  241: 	# is not blank and does not equal dist and
  242: 	# either does not equal default or it has a prior $dist-specific
  243: 	# setting.
  244: 	elsif ($tagdist ne '  ' and $tagdist!~/\s$dist\s/ and
  245: 	       !($tagdist eq ' default ' and $setting{$key}!=$distset)) {
  246: 	    if ($token->[4]!~/\/>$/) {
  247: 		$parser->get_tag('/'.$token->[1]);
  248: 		$hloc--;
  249: 	    }
  250: 	}
  251: 	# In other words, output to $cleanstring if the tag is dist=default
  252: 	# or if the tag is set to dist=$dist for the first time.  And, always
  253: 	# output when dist='' is not present.
  254: 	else {
  255: 	    $cleanstring.=$token->[4];
  256: 	}
  257:     }
  258:     # Note: this loop DOES work with <tag /> style markup as well as
  259:     # <tag></tag> style markup since I always check for $token->[4] ending
  260:     # with "/>".
  261:     if ($token->[0] eq 'E') { # an end tag
  262: 	$cleanstring.=$token->[2];
  263: 	$hloc--;
  264:     }
  265:     if ($token->[0] eq 'T') { # text contents inside tags
  266: 	$cleanstring.=$token->[1];
  267:     }
  268: }
  269: $cleanstring=&trim($cleanstring);
  270: $cleanstring=~s/\>\s*\n\s*\</\>\</g;
  271: 
  272: # -------------------------------------------- Start final (third) pass through
  273: 
  274: # storage variables
  275: my $lpml;
  276: my $categories;
  277: my @categorynamelist;
  278: my $category;
  279: my $category_att_name;
  280: my $category_att_type;
  281: my $chown;
  282: my $chmod;
  283: my $abbreviation; # space-free abbreviation; esp. for image names
  284: my $rpm;
  285: my $rpmSummary;
  286: my $rpmName;
  287: my $rpmVersion;
  288: my $rpmRelease;
  289: my $rpmVendor;
  290: my $rpmBuildRoot;
  291: my $rpmCopyright;
  292: my $rpmGroup;
  293: my $rpmSource;
  294: my $rpmAutoReqProv;
  295: my $rpmdescription;
  296: my $rpmpre;
  297: my $directories;
  298: my $directory;
  299: my $targetdirs;
  300: my $targetdir;
  301: my $categoryname;
  302: my $description;
  303: my $files;
  304: my $fileglobs;
  305: my $links;
  306: my $file;
  307: my $link;
  308: my $fileglob;
  309: my $sourcedir;
  310: my $targets;
  311: my $target;
  312: my $source;
  313: my $note;
  314: my $build;
  315: my $buildlink;
  316: my $commands;
  317: my $command;
  318: my $status;
  319: my $dependencies;
  320: my $dependency;
  321: my @links;
  322: my %categoryhash;
  323: my $dpathlength;
  324: my %fab; # file category abbreviation
  325: my $directory_count;
  326: my $file_count;
  327: my $link_count;
  328: my $fileglob_count;
  329: my $fileglobnames_count;
  330: my %categorycount;
  331: 
  332: my @buildall;
  333: my @buildinfo;
  334: 
  335: my @configall;
  336: 
  337: # Make new parser with distribution specific input
  338: undef $parser;
  339: $parser = HTML::TokeParser->new(\$cleanstring) or
  340:     die('can\'t create TokeParser object');
  341: $parser->xml_mode('1');
  342: 
  343: # Define handling methods for mode-dependent text rendering
  344: 
  345: $parser->{textify}={
  346:     specialnotices => \&format_specialnotices,
  347:     specialnotice => \&format_specialnotice,
  348:     targetroot => \&format_targetroot,
  349:     sourceroot => \&format_sourceroot,
  350:     categories => \&format_categories,
  351:     category => \&format_category,
  352:     abbreviation => \&format_abbreviation,
  353:     targetdir => \&format_targetdir,
  354:     chown => \&format_chown,
  355:     chmod => \&format_chmod,
  356:     rpm => \&format_rpm,
  357:     rpmSummary => \&format_rpmSummary,
  358:     rpmName => \&format_rpmName,
  359:     rpmVersion => \&format_rpmVersion,
  360:     rpmRelease => \&format_rpmRelease,
  361:     rpmVendor => \&format_rpmVendor,
  362:     rpmBuildRoot => \&format_rpmBuildRoot,
  363:     rpmCopyright => \&format_rpmCopyright,
  364:     rpmGroup => \&format_rpmGroup,
  365:     rpmSource => \&format_rpmSource,
  366:     rpmAutoReqProv => \&format_rpmAutoReqProv,
  367:     rpmdescription => \&format_rpmdescription,
  368:     rpmpre => \&format_rpmpre,
  369:     rpmRequires => \&format_rpmRequires,
  370:     directories => \&format_directories,
  371:     directory => \&format_directory,
  372:     categoryname => \&format_categoryname,
  373:     description => \&format_description,
  374:     files => \&format_files,
  375:     file => \&format_file,
  376:     fileglob => \&format_fileglob,
  377:     links => \&format_links,
  378:     link => \&format_link,
  379:     linkto => \&format_linkto,
  380:     source => \&format_source,
  381:     target => \&format_target,
  382:     note => \&format_note,
  383:     build => \&format_build,
  384:     status => \&format_status,
  385:     dependencies => \&format_dependencies,
  386:     buildlink => \&format_buildlink,
  387:     glob => \&format_glob,
  388:     sourcedir => \&format_sourcedir,
  389:     filenames => \&format_filenames,
  390:     };
  391: 
  392: my $text;
  393: my $token;
  394: undef $hloc;
  395: undef @hierarchy;
  396: my $hloc;
  397: my @hierarchy2;
  398: while ($token = $parser->get_tag('lpml')) {
  399:     &format_lpml(@{$token});
  400:     $text = &trim($parser->get_text('/lpml'));
  401:     $token = $parser->get_tag('/lpml');
  402:     print $lpml; 
  403:     print "\n";
  404: #    $text=~s/\s*\n\s*\n\s*/\n/g;
  405:     print $text;
  406:     print "\n";
  407:     print &end();
  408: }
  409: exit;
  410: 
  411: # ---------- Functions (most all just format contents of different markup tags)
  412: 
  413: # ------------------------ Final output at end of markup parsing and formatting
  414: sub end {
  415:     if ($mode eq 'html') {
  416: 	return "<br />&nbsp;<br />".
  417: 	    "<a name='summary' /><font size='+2'>Summary of Source Repository".
  418: 	    "</font>".
  419: 	    "<br />&nbsp;<br />".
  420: 	    "<table border='1' cellpadding='5'>".
  421: 	    "<caption>Files, Directories, and Symbolic Links</caption>".
  422: 	    "<tr><td>Files (not referenced by globs)</td><td>$file_count</td>".
  423: 	    "</tr>".
  424: 	    "<tr><td>Files (referenced by globs)</td>".
  425: 	    "<td>$fileglobnames_count</td>".
  426: 	    "</tr>".
  427: 	    "<tr><td>Total Files</td>".
  428: 	    "<td>".($fileglobnames_count+$file_count)."</td>".
  429: 	    "</tr>".
  430: 	    "<tr><td>File globs</td>".
  431: 	    "<td>".$fileglob_count."</td>".
  432: 	    "</tr>".
  433: 	    "<tr><td>Directories</td>".
  434: 	    "<td>".$directory_count."</td>".
  435: 	    "</tr>".
  436: 	    "<tr><td>Symbolic links</td>".
  437: 	    "<td>".$link_count."</td>".
  438: 	    "</tr>".
  439: 	    "</table>".
  440: 	    "<table border='1' cellpadding='5'>".
  441: 	    "<caption>File Category Count</caption>".
  442: 	    "<tr><th>Icon</th><th>Name</th><th>Number of Occurrences</th>".
  443: 	    "<th>Number of Incorrect Counts</th>".
  444: 	    "</tr>".
  445: 	    join("\n",(map {"<tr><td><img src='$fab{$_}.gif' ".
  446: 		 "alt='$_ icon' /></td>".
  447:  	         "<td>$_</td><td>$categorycount{$_}</td>".
  448: 		 "<td><!-- POSTEVALINLINE $_ --></td></tr>"}
  449: 		@categorynamelist)).
  450: 	    "</table>".
  451: 	    "</body></html>\n";
  452: 
  453:     }
  454:     if ($mode eq 'install') {
  455: 	return '';
  456:     }
  457: }
  458: 
  459: # ----------------------- Take in string to parse and the separation expression
  460: sub extract_array {
  461:     my ($stringtoparse,$sepexp) = @_;
  462:     my @a=split(/$sepexp/,$stringtoparse);
  463:     return \@a;
  464: }
  465: 
  466: # --------------------------------------------------------- Format lpml section
  467: sub format_lpml {
  468:     my (@tokeninfo)=@_;
  469:     my $date=`date`; chop $date;
  470:     if ($mode eq 'html') {
  471: 	$lpml=<<END;
  472: <html>
  473: <head>
  474: <title>LPML Description Page
  475: (dist=$dist, categorytype=$categorytype, $date)</title>
  476: </head>
  477: <body>
  478: END
  479: 	$lpml .= "<br /><font size='+2'>LPML Description Page (dist=$dist, ".
  480: 	    "categorytype=$categorytype, $date)".
  481: 	    "</font>";
  482: 	$lpml .=<<END;
  483: <ul>
  484: <li><a href='#about'>About this file</a></li>
  485: <li><a href='#ownperms'>File Type Ownership and Permissions
  486: Descriptions</a></li>
  487: <li><a href='#package'>Software Package Description</a></li>
  488: <li><a href='#directories'>Directory Structure</a></li>
  489: <li><a href='#files'>Files</a></li>
  490: <li><a href='#summary'>Summary of Source Repository</a></li>
  491: </ul>
  492: END
  493:         $lpml .=<<END;
  494: <br />&nbsp;<br /><a name='about' />
  495: <font size='+2'>About this file</font>
  496: <p>
  497: This file is generated dynamically by <tt>lpml_parse.pl</tt> as
  498: part of a development compilation process.</p>
  499: <p>LPML written by Scott Harrison (harris41\@msu.edu).
  500: </p>
  501: END
  502:     }
  503:     elsif ($mode eq 'text') {
  504: 	$lpml = "LPML Description Page (dist=$dist, $date)";
  505: 	$lpml .=<<END;
  506: 
  507: * About this file
  508: * Software Package Description
  509: * Directory Structure
  510: * File Type Ownership and Permissions
  511: * Files
  512: END
  513:         $lpml .=<<END;
  514: 
  515: About this file
  516: 
  517: This file is generated dynamically by lpml_parse.pl as
  518: part of a development compilation process.  Author: Scott
  519: Harrison (harris41\@msu.edu).
  520: 
  521: END
  522:     }
  523:     elsif ($mode eq 'install') {
  524: 	print '# LPML install targets. Linux Packaging Markup Language,';
  525: 	print ' by Scott Harrison 2001'."\n";
  526: 	print '# This file was automatically generated on '.`date`;
  527: 	print "\n".$invocation;
  528: 	$lpml .= "SHELL=\"/bin/bash\"\n\n";
  529:     }
  530:     elsif ($mode eq 'configinstall') {
  531: 	print '# LPML configuration file targets (configinstall).'."\n";
  532: 	print '# Linux Packaging Markup Language,';
  533: 	print ' by Scott Harrison 2001'."\n";
  534: 	print '# This file was automatically generated on '.`date`;
  535: 	print "\n".$invocation;
  536: 	$lpml .= "SHELL=\"/bin/bash\"\n\n";
  537:     }
  538:     elsif ($mode eq 'build') {
  539: 	$lpml = "# LPML build targets. Linux Packaging Markup Language,";
  540: 	$lpml .= ' by Scott Harrison 2001'."\n";
  541: 	$lpml .= '# This file was automatically generated on '.`date`;
  542: 	$lpml .= "\n".$invocation;
  543: 	$lpml .= "SHELL=\"/bin/sh\"\n\n";
  544:     }
  545:     else {
  546: 	return '';
  547:     }
  548: }
  549: # --------------------------------------------------- Format targetroot section
  550: sub format_targetroot {
  551:     my $text=&trim($parser->get_text('/targetroot'));
  552:     $text=$targetroot if $targetroot;
  553:     $parser->get_tag('/targetroot');
  554:     if ($mode eq 'html') {
  555: 	return $targetroot="\n<br />TARGETROOT: $text";
  556:     }
  557:     elsif ($mode eq 'install' or $mode eq 'build' or
  558: 	   $mode eq 'configinstall') {
  559: 	return '# TARGET INSTALL LOCATION is "'.$targetroot."\"\n";
  560:     }
  561:     else {
  562: 	return '';
  563:     }
  564: }
  565: # --------------------------------------------------- Format sourceroot section
  566: sub format_sourceroot {
  567:     my $text=&trim($parser->get_text('/sourceroot'));
  568:     $text=$sourceroot if $sourceroot;
  569:     $parser->get_tag('/sourceroot');
  570:     if ($mode eq 'html') {
  571: 	return $sourceroot="\n<br />SOURCEROOT: $text";
  572:     }
  573:     elsif ($mode eq 'install' or $mode eq 'build' or
  574: 	   $mode eq 'configinstall') {
  575: 	return '# SOURCE CODE LOCATION IS "'.$sourceroot."\"\n";;
  576:     }
  577:     else {
  578: 	return '';
  579:     }
  580: }
  581: # --------------------------------------------------- Format categories section
  582: sub format_categories {
  583:     my $text=&trim($parser->get_text('/categories'));
  584:     $parser->get_tag('/categories');
  585:     if ($mode eq 'html') {
  586: 	return $categories="\n<br />&nbsp;<br />".
  587: 	    "\n<a name='ownperms'>".
  588: 	    "\n<font size='+2'>File Type Ownership and Permissions".
  589: 	    " Descriptions</font>".
  590: 	    "\n<p>This table shows what permissions and ownership settings ".
  591: 	    "correspond to each category.</p>".
  592: 	    "\n<table border='1' cellpadding='5' width='60%'>\n".
  593: 	    "<tr>".
  594: 	    "<th align='left' bgcolor='#ffffff'>Icon</th>".
  595: 	    "<th align='left' bgcolor='#ffffff'>Category Name</th>".
  596: 	    "<th align='left' bgcolor='#ffffff'>Permissions ".
  597: 	    "($categorytype)</th>".
  598: 	    "</tr>".
  599: 	    "\n$text\n".
  600: 	    "</table>\n";
  601:     }
  602:     elsif ($mode eq 'text') {
  603: 	return $categories="\n".
  604: 	    "\nFile Type Ownership and Permissions".
  605: 	    " Descriptions".
  606: 	    "\n$text".
  607: 	    "\n";
  608:     }
  609:     else {
  610: 	return '';
  611:     }
  612: }
  613: # --------------------------------------------------- Format categories section
  614: sub format_category {
  615:     my (@tokeninfo)=@_;
  616:     $category_att_name=$tokeninfo[2]->{'name'};
  617:     $category_att_type=$tokeninfo[2]->{'type'};
  618:     $abbreviation=''; $chmod='';$chown='';
  619:     $parser->get_text('/category');
  620:     $parser->get_tag('/category');
  621:     $fab{$category_att_name}=$abbreviation;
  622:     if ($mode eq 'html') {
  623: 	if ($category_att_type eq $categorytype) {
  624: 	    push @categorynamelist,$category_att_name;
  625: 	    $categoryhash{$category_att_name}="$chmod $chown";
  626: 	    return $category="<tr>".
  627: 		"<td><img src='$abbreviation.gif' ".
  628:    	        "alt='${category_att_name}' /></td>\n".
  629: 		"<td>${category_att_name}</td>\n".
  630: 		"<td>$chmod $chown</td>\n".
  631: 		"</tr>".
  632: 		"\n";
  633: #	return $category="\n<br />CATEGORY $category_att_name ".
  634: #	    "$category_att_type $chmod $chown";
  635: 	}
  636:     }
  637:     else {
  638: 	if ($category_att_type eq $categorytype) {
  639: 	    my ($user,$group)=split(/\:/,$chown);
  640: 	    $categoryhash{$category_att_name}='-o '.$user.' -g '.$group.
  641: 		' -m '.$chmod;
  642: 	}
  643: 	return '';
  644:     }
  645: }
  646: # --------------------------------------------------- Format categories section
  647: sub format_abbreviation {
  648:     my @tokeninfo=@_;
  649:     $abbreviation='';
  650:     my $text=&trim($parser->get_text('/abbreviation'));
  651:     if ($text) {
  652: 	$parser->get_tag('/abbreviation');
  653: 	$abbreviation=$text;
  654:     }
  655:     return '';
  656: }
  657: # -------------------------------------------------------- Format chown section
  658: sub format_chown {
  659:     my @tokeninfo=@_;
  660:     $chown='';
  661:     my $text=&trim($parser->get_text('/chown'));
  662:     if ($text) {
  663: 	$parser->get_tag('/chown');
  664: 	$chown=$text;
  665:     }
  666:     return '';
  667: }
  668: # -------------------------------------------------------- Format chmod section
  669: sub format_chmod {
  670:     my @tokeninfo=@_;
  671:     $chmod='';
  672:     my $text=&trim($parser->get_text('/chmod'));
  673:     if ($text) {
  674: 	$parser->get_tag('/chmod');
  675: 	$chmod=$text;
  676:     }
  677:     return '';
  678: }
  679: # ---------------------------------------------------------- Format rpm section
  680: sub format_rpm {
  681:     my $text=&trim($parser->get_text('/rpm'));
  682:     $parser->get_tag('/rpm');
  683:     if ($mode eq 'html') {
  684: 	return $rpm=<<END;
  685: <br />&nbsp;<br />
  686: <a name='package' />
  687: <font size='+2'>Software Package Description</font>
  688: <p>
  689: <table bgcolor='#ffffff' border='0' cellpadding='10' cellspacing='0'>
  690: <tr><td><pre>
  691: $text
  692: </pre></td></tr>
  693: </table>
  694: END
  695:     }
  696:     elsif ($mode eq 'make_rpm') {
  697: 	return $text;
  698:     }
  699:     elsif ($mode eq 'text') {
  700: 	return $rpm=<<END;
  701: Software Package Description
  702: 
  703: $text
  704: END
  705:     }
  706:     else {
  707: 	return '';
  708:     }
  709: }
  710: # --------------------------------------------------- Format rpmSummary section
  711: sub format_rpmSummary {
  712:     my $text=&trim($parser->get_text('/rpmSummary'));
  713:     $parser->get_tag('/rpmSummary');
  714:     if ($mode eq 'html') {
  715: 	return $rpmSummary="\nSummary     : $text";
  716:     }
  717:     elsif ($mode eq 'text') {
  718: 	return $rpmSummary="\nSummary     : $text";
  719:     }
  720:     elsif ($mode eq 'make_rpm') {
  721: 	return <<END;
  722: <summary>$text</summary>
  723: END
  724:     }
  725:     else {
  726: 	return '';
  727:     }
  728: }
  729: # ------------------------------------------------------ Format rpmName section
  730: sub format_rpmName {
  731:     my $text=&trim($parser->get_text('/rpmName'));
  732:     $parser->get_tag('/rpmName');
  733:     if ($mode eq 'html') {
  734: 	return $rpmName="\nName        : $text";
  735:     }
  736:     elsif ($mode eq 'text') {
  737: 	return $rpmName="\nName        : $text";
  738:     }
  739:     elsif ($mode eq 'make_rpm') {
  740: 	return <<END;
  741: <name>$text</name>
  742: END
  743:     }
  744:     else {
  745: 	return '';
  746:     }
  747: }
  748: # --------------------------------------------------- Format rpmVersion section
  749: sub format_rpmVersion {
  750:     my $text=$parser->get_text('/rpmVersion');
  751:     $parser->get_tag('/rpmVersion');
  752:     if ($mode eq 'html') {
  753: 	return $rpmVersion="\nVersion     : $text";
  754:     }
  755:     elsif ($mode eq 'text') {
  756: 	return $rpmVersion="\nVersion     : $text";
  757:     }
  758:     else {
  759: 	return '';
  760:     }
  761: }
  762: # --------------------------------------------------- Format rpmRelease section
  763: sub format_rpmRelease {
  764:     my $text=$parser->get_text('/rpmRelease');
  765:     $parser->get_tag('/rpmRelease');
  766:     if ($mode eq 'html') {
  767: 	return $rpmRelease="\nRelease     : $text";
  768:     }
  769:     elsif ($mode eq 'text') {
  770: 	return $rpmRelease="\nRelease     : $text";
  771:     }
  772:     else {
  773: 	return '';
  774:     }
  775: }
  776: # ---------------------------------------------------- Format rpmVendor section
  777: sub format_rpmVendor {
  778:     my $text=$parser->get_text('/rpmVendor');
  779:     $parser->get_tag('/rpmVendor');
  780:     if ($mode eq 'html') {
  781: 	return $rpmVendor="\nVendor      : $text";
  782:     }
  783:     elsif ($mode eq 'text') {
  784: 	return $rpmVendor="\nVendor      : $text";
  785:     }
  786:     elsif ($mode eq 'make_rpm') {
  787: 	return <<END;
  788: <vendor>$text</vendor>
  789: END
  790:     }
  791:     else {
  792: 	return '';
  793:     }
  794: }
  795: # ------------------------------------------------- Format rpmBuildRoot section
  796: sub format_rpmBuildRoot {
  797:     my $text=$parser->get_text('/rpmBuildRoot');
  798:     $parser->get_tag('/rpmBuildRoot');
  799:     if ($mode eq 'html') {
  800: 	return $rpmBuildRoot="\nBuild Root  : $text";
  801:     }
  802:     elsif ($mode eq 'text') {
  803: 	return $rpmBuildRoot="\nBuild Root  : $text";
  804:     }
  805:     else {
  806: 	return '';
  807:     }
  808: }
  809: # ------------------------------------------------- Format rpmCopyright section
  810: sub format_rpmCopyright {
  811:     my $text=$parser->get_text('/rpmCopyright');
  812:     $parser->get_tag('/rpmCopyright');
  813:     if ($mode eq 'html') {
  814: 	return $rpmCopyright="\nLicense     : $text";
  815:     }
  816:     elsif ($mode eq 'text') {
  817: 	return $rpmCopyright="\nLicense     : $text";
  818:     }
  819:     elsif ($mode eq 'make_rpm') {
  820: 	return <<END;
  821: <copyright>$text</copyright>
  822: END
  823:     }
  824:     else {
  825: 	return '';
  826:     }
  827: }
  828: # ----------------------------------------------------- Format rpmGroup section
  829: sub format_rpmGroup {
  830:     my $text=$parser->get_text('/rpmGroup');
  831:     $parser->get_tag('/rpmGroup');
  832:     if ($mode eq 'html') {
  833: 	return $rpmGroup="\nGroup       : $text";
  834:     }
  835:     elsif ($mode eq 'text') {
  836: 	return $rpmGroup="\nGroup       : $text";
  837:     }
  838:     elsif ($mode eq 'make_rpm') {
  839: 	return <<END;
  840: <group>Utilities/System</group>
  841: END
  842:     }
  843:     else {
  844: 	return '';
  845:     }
  846: }
  847: # ---------------------------------------------------- Format rpmSource section
  848: sub format_rpmSource {
  849:     my $text=$parser->get_text('/rpmSource');
  850:     $parser->get_tag('/rpmSource');
  851:     if ($mode eq 'html') {
  852: 	return $rpmSource="\nSource      : $text";
  853:     }
  854:     elsif ($mode eq 'text') {
  855: 	return $rpmSource="\nSource      : $text";
  856:     }
  857:     else {
  858: 	return '';
  859:     }
  860: }
  861: # ----------------------------------------------- Format rpmAutoReqProv section
  862: sub format_rpmAutoReqProv {
  863:     my $text=$parser->get_text('/rpmAutoReqProv');
  864:     $parser->get_tag('/rpmAutoReqProv');
  865:     if ($mode eq 'html') {
  866: 	return $rpmAutoReqProv="\nAutoReqProv : $text";
  867:     }
  868:     elsif ($mode eq 'text') {
  869: 	return $rpmAutoReqProv="\nAutoReqProv : $text";
  870:     }
  871:     elsif ($mode eq 'make_rpm') {
  872: 	return <<END;
  873: <AutoReqProv>$text</AutoReqProv>
  874: END
  875:     }
  876:     else {
  877: 	return '';
  878:     }
  879: }
  880: # ----------------------------------------------- Format rpmdescription section
  881: sub format_rpmdescription {
  882:     my $text=$parser->get_text('/rpmdescription');
  883:     $parser->get_tag('/rpmdescription');
  884:     if ($mode eq 'html') {
  885: 	$text=~s/\n//g;
  886: 	$text=~s/\\n/\n/g;
  887: 	return $rpmdescription="\nDescription : $text";
  888:     }
  889:     elsif ($mode eq 'text') {
  890: 	$text=~s/\n//g;
  891: 	$text=~s/\\n/\n/g;
  892: 	return $rpmdescription="\nDescription : $text";
  893:     }
  894:     elsif ($mode eq 'make_rpm') {
  895: 	$text=~s/\n//g;
  896: 	$text=~s/\\n/\n/g;
  897: 	return <<END;
  898: <description>$text</description>
  899: END
  900:     }
  901:     else {
  902: 	return '';
  903:     }
  904: }
  905: # ------------------------------------------------------- Format rpmpre section
  906: sub format_rpmpre {
  907:     my $text=$parser->get_text('/rpmpre');
  908:     $parser->get_tag('/rpmpre');
  909:     if ($mode eq 'html') {
  910: #	return $rpmpre="\n<br />RPMPRE $text";
  911: 	return '';
  912:     }
  913:     elsif ($mode eq 'make_rpm') {
  914: 	return <<END;
  915: <pre>$text</pre>
  916: END
  917:     }
  918:     else {
  919: 	return '';
  920:     }
  921: }
  922: # -------------------------------------------------- Format requires section
  923: sub format_rpmRequires {
  924:     my @tokeninfo=@_;
  925:     my $aref;
  926:     my $text;
  927:     if ($mode eq 'make_rpm') {
  928: 	while ($aref=$parser->get_token()) {
  929: 	    if ($aref->[0] eq 'E' && $aref->[1] eq 'rpmRequires') {
  930: 		last;
  931: 	    }
  932: 	    elsif ($aref->[0] eq 'S') {
  933: 		$text.=$aref->[4];
  934: 	    }
  935: 	    elsif ($aref->[0] eq 'E') {
  936: 		$text.=$aref->[2];
  937: 	    }
  938: 	    else {
  939: 		$text.=$aref->[1];
  940: 	    }
  941: 	}
  942:     }
  943:     else {
  944: 	$parser->get_tag('/rpmRequires');
  945: 	return '';
  946:     }
  947:     return '<rpmRequires>'.$text.'</rpmRequires>';
  948: }
  949: # -------------------------------------------------- Format directories section
  950: sub format_directories {
  951:     my $text=$parser->get_text('/directories');
  952:     $parser->get_tag('/directories');
  953:     if ($mode eq 'html') {
  954: 	$text=~s/\[\{\{\{\{\{DPATHLENGTH\}\}\}\}\}\]/$dpathlength/g;
  955: 	return $directories="\n<br />&nbsp;<br />".
  956: 	    "<a name='directories' />".
  957: 	    "<font size='+2'>Directory Structure</font>".
  958: 	    "\n<br />&nbsp;<br />".
  959: 	    "<table border='1' cellpadding='3' cellspacing='0'>\n".
  960: 	    "<tr><th bgcolor='#ffffff'>Category</th>".
  961: 	    "<th bgcolor='#ffffff'>Status</th>\n".
  962: 	    "<th bgcolor='#ffffff'>Expected Permissions & Ownership</th>\n".
  963: 	    "<th bgcolor='#ffffff' colspan='$dpathlength'>Target Directory ".
  964: 	    "Path</th></tr>\n".
  965:  	    "\n$text\n</table><br />"."\n";
  966:     }
  967:     elsif ($mode eq 'text') {
  968: 	return $directories="\nDirectory Structure\n$text\n".
  969: 	    "\n";
  970:     }
  971:     elsif ($mode eq 'install') {
  972: 	return "\n".'directories:'."\n".$text;
  973:     }
  974:     elsif ($mode eq 'rpm_file_list') {
  975: 	return $text;
  976:     }
  977:     else {
  978: 	return '';
  979:     }
  980: }
  981: # ---------------------------------------------------- Format directory section
  982: sub format_directory {
  983:     my (@tokeninfo)=@_;
  984:     $targetdir='';$categoryname='';$description='';
  985:     $parser->get_text('/directory');
  986:     $parser->get_tag('/directory');
  987:     $directory_count++;
  988:     $categorycount{$categoryname}++;
  989:     if ($mode eq 'html') {
  990: 	my @a;
  991: 	@a=($targetdir=~/\//g);
  992: 	my $d=scalar(@a)+1;
  993: 	$dpathlength=$d if $d>$dpathlength;
  994: 	my $thtml=$targetdir;
  995: 	$thtml=~s/\//\<\/td\>\<td bgcolor='#ffffff'\>/g;
  996: 	my ($chmod,$chown)=split(/\s/,$categoryhash{$categoryname});
  997: 	return $directory="\n<tr><td rowspan='2' bgcolor='#ffffff'>".
  998: 	    "$categoryname</td>".
  999: 	    "<td rowspan='2' bgcolor='#ffffff'><!-- POSTEVAL [$categoryname] ".
 1000: 	    "verify.pl directory /$targetdir $categoryhash{$categoryname} -->".
 1001: 	    "&nbsp;</td>".
 1002: 	    "<td rowspan='2' bgcolor='#ffffff'>$chmod<br />$chown</td>".
 1003: 	    "<td bgcolor='#ffffff'>$thtml</td></tr>".
 1004: 	    "<tr><td bgcolor='#ffffff' colspan='[{{{{{DPATHLENGTH}}}}}]'>".
 1005: 	    "$description</td></tr>";
 1006:     }
 1007:     if ($mode eq 'text') {
 1008: 	return $directory="\nDIRECTORY $targetdir $categoryname ".
 1009: 	    "$description";
 1010:     }
 1011:     elsif ($mode eq 'install') {
 1012: 	return "\t".'install '.$categoryhash{$categoryname}.' -d '.
 1013: 	    $targetroot.'/'.$targetdir."\n";
 1014:     }
 1015:     elsif ($mode eq 'rpm_file_list') {
 1016: 	return $targetroot.'/'.$targetdir."\n";
 1017:     }
 1018:     else {
 1019: 	return '';
 1020:     }
 1021: }
 1022: # ---------------------------------------------------- Format targetdir section
 1023: sub format_targetdir {
 1024:     my @tokeninfo=@_;
 1025:     $targetdir='';
 1026:     my $text=&trim($parser->get_text('/targetdir'));
 1027:     if ($text) {
 1028: 	$parser->get_tag('/targetdir');
 1029: 	$targetdir=$text;
 1030:     }
 1031:     return '';
 1032: }
 1033: # ------------------------------------------------- Format categoryname section
 1034: sub format_categoryname {
 1035:     my @tokeninfo=@_;
 1036:     $categoryname='';
 1037:     my $text=&trim($parser->get_text('/categoryname'));
 1038:     if ($text) {
 1039: 	$parser->get_tag('/categoryname');
 1040: 	$categoryname=$text;
 1041:     }
 1042:     return '';
 1043: }
 1044: # -------------------------------------------------- Format description section
 1045: sub format_description {
 1046:     my @tokeninfo=@_;
 1047:     $description='';
 1048:     my $text=&htmlsafe(&trim($parser->get_text('/description')));
 1049:     if ($text) {
 1050: 	$parser->get_tag('/description');
 1051: 	$description=$text;
 1052:     }
 1053:     return '';
 1054: }
 1055: # -------------------------------------------------------- Format files section
 1056: sub format_files {
 1057:     my $text=$parser->get_text('/files');
 1058:     $parser->get_tag('/files');
 1059:     if ($mode eq 'MANIFEST') {
 1060: 	return $text;
 1061:     }
 1062:     elsif ($mode eq 'html') {
 1063: 	return $directories="\n<br />&nbsp;<br />".
 1064: 	    "<a name='files' />".
 1065: 	    "<font size='+2'>Files</font><br />&nbsp;<br />".
 1066: 	    "<p>All source and target locations are relative to the ".
 1067: 	    "sourceroot and targetroot values at the beginning of this ".
 1068: 	    "document.</p>".
 1069: 	    "\n<table border='1' cellpadding='5'>".
 1070: 	    "<tr><th>Status</th><th colspan='2'>Category</th>".
 1071: 	    "<th>Name/Location</th>".
 1072: 	    "<th>Description</th><th>Notes</th></tr>".
 1073: 	    "$text</table>\n".
 1074: 	    "\n";
 1075:     }
 1076:     elsif ($mode eq 'text') {
 1077: 	return $directories="\n".
 1078: 	    "File and Directory Structure".
 1079: 	    "\n$text\n".
 1080: 	    "\n";
 1081:     }
 1082:     elsif ($mode eq 'install') {
 1083: 	return "\n".'files:'."\n".$text.
 1084: 	    "\n".'links:'."\n".join('',@links);
 1085:     }
 1086:     elsif ($mode eq 'configinstall') {
 1087: 	return "\n".'configfiles: '.
 1088: 	join(' ',@configall).
 1089: 	"\n\n".$text.
 1090: 	"\n\nalwaysrun:\n\n";
 1091:     }
 1092:     elsif ($mode eq 'build') {
 1093: 	my $binfo;
 1094: 	my $tword;
 1095: 	my $command2;
 1096: 	my @deps;
 1097: 	foreach my $bi (@buildinfo) {
 1098: 	    my ($target,$source,$command,$trigger,@deps)=split(/\;/,$bi);
 1099: 	    $tword=''; $tword=' alwaysrun' if $trigger eq 'always run'; 
 1100: 	    if ($command!~/\s/) {
 1101: 		$command=~s/\/([^\/]*)$//;
 1102: 		$command2="cd $command; sh ./$1;\\";
 1103: 	    }
 1104: 	    else {
 1105: 		$command=~s/(.*?\/)([^\/]+\s+.*)$/$1/;
 1106: 		$command2="cd $command; sh ./$2;\\";
 1107: 	    }
 1108: 	    my $depstring;
 1109: 	    my $depstring2="\t\t\@echo '';\\\n";
 1110: 	    my $olddep;
 1111: 	    foreach my $dep (@deps) {
 1112: 		unless ($olddep) {
 1113: 		    $olddep=$deps[$#deps];
 1114: 		}
 1115: 		$depstring.="\telif !(test -r $command/$dep);\\\n";
 1116: 		$depstring.="\t\tthen echo ".
 1117: 		"\"**** WARNING **** missing the file: ".
 1118:  	        "$command/$dep\"$logcmd;\\\n";
 1119: 		$depstring.="\t\ttest -e $source || test -e $target || echo ".
 1120: 		    "'**** ERROR **** neither source=$source nor target=".
 1121: 		    "$target exist and they cannot be built'$logcmd;\\\n";
 1122: 		$depstring.="\t\tmake -f Makefile.build ${source}___DEPS;\\\n";
 1123: 		if ($olddep) {
 1124: 		    $depstring2.="\t\tECODE=0;\\\n";
 1125: 		    $depstring2.="\t\t! test -e $source && test -r $command/$olddep &&".
 1126: 			" { perl filecompare.pl -b2 $command/$olddep $target ||  ECODE=\$\$?; } && { [ \$\$ECODE != \"2\" ] || echo \"**** WARNING **** dependency $command/$olddep is newer than target file $target; SOMETHING MAY BE WRONG\"$logcmd; };\\\n";
 1127: 		}
 1128: 		$olddep=$dep;
 1129: 	    }
 1130: 	    $binfo.="$source: $tword\n".
 1131: 		"\t\@if !(echo \"\");\\\n\t\tthen echo ".
 1132: 		"\"**** WARNING **** Strange shell. ".
 1133:  	        "Check your path settings.\"$logcmd;\\\n".
 1134: 		$depstring.
 1135: 		"\telse \\\n\t\t$command2\n\tfi\n\n";
 1136: 	    $binfo.="${source}___DEPS:\n".$depstring2."\t\tECODE=0;\n\n";
 1137: 	}
 1138: 	return 'all: '.join(' ',@buildall)."\n\n".
 1139:   	        $text.
 1140: 		$binfo."\n".
 1141: 		"alwaysrun:\n\n";
 1142:     }
 1143:     elsif ($mode eq 'rpm_file_list') {
 1144: 	return $text;
 1145:     }
 1146:     else {
 1147: 	return '';
 1148:     }
 1149: }
 1150: # ---------------------------------------------------- Format fileglobs section
 1151: sub format_fileglobs {
 1152: 
 1153: }
 1154: # -------------------------------------------------------- Format links section
 1155: # deprecated.. currently <link></link>'s are included in <files></files>
 1156: sub format_links {
 1157:     my $text=$parser->get_text('/links');
 1158:     $parser->get_tag('/links');
 1159:     if ($mode eq 'html') {
 1160: 	return $links="\n<br />BEGIN LINKS\n$text\n<br />END LINKS\n";
 1161:     }
 1162:     elsif ($mode eq 'install') {
 1163: 	return "\n".'links:'."\n\t".$text;
 1164:     }
 1165:     else {
 1166: 	return '';
 1167:     }
 1168: }
 1169: # --------------------------------------------------------- Format file section
 1170: sub format_file {
 1171:     my @tokeninfo=@_;
 1172:     $file=''; $source=''; $target=''; $categoryname=''; $description='';
 1173:     $note=''; $build=''; $status=''; $dependencies='';
 1174:     my $text=&trim($parser->get_text('/file'));
 1175:     my $buildtest;
 1176:     $file_count++;
 1177:     $categorycount{$categoryname}++;
 1178:     if ($source) {
 1179: 	$parser->get_tag('/file');
 1180: 	if ($mode eq 'MANIFEST') {
 1181: 	    my $command=$build;
 1182: 	    if ($command!~/\s/) {
 1183: 		$command=~s/\/([^\/]*)$//;
 1184: 	    }
 1185: 	    else {
 1186: 		$command=~s/(.*?\/)([^\/]+\s+.*)$/$1/;
 1187: 	    }
 1188: 	    $command=~s/^$sourceroot\///;
 1189: 	    my (@deps)=split(/\;/,$dependencies);
 1190: 	    my $retval=join("\n",($source,
 1191: 		       (map {"$command$_"} @deps)));
 1192: 	    return $retval."\n";
 1193: 	}
 1194: 	elsif ($mode eq 'html') {
 1195: 	    return ($file="\n<!-- FILESORT:$target -->".
 1196: 		    "<tr>".
 1197:           "<td><!-- POSTEVAL [$categoryname] verify.pl file '$sourcerootarg' ".
 1198: 		    "'$targetrootarg' ".
 1199: 		    "'$source' '$target' ".
 1200: 		    "$categoryhash{$categoryname} -->&nbsp;</td><td>".
 1201: 		    "<img src='$fab{$categoryname}.gif' ".
 1202: 		    "alt='$categoryname icon' /></td>".
 1203: 		    "<td>$categoryname<br /><font size='-1'>".
 1204: 		    $categoryhash{$categoryname}."</font></td>".
 1205: 		    "<td>SOURCE: $source<br />TARGET: $target</td>".
 1206: 		    "<td>$description</td>".
 1207: 		    "<td>$note</td>".
 1208: 		    "</tr>");
 1209: #	    return ($file="\n<br />BEGIN FILE\n".
 1210: #		"$source $target $categoryname $description $note " .
 1211: #		"$build $status $dependencies" .
 1212: #		"\nEND FILE");
 1213: 	}
 1214: 	elsif ($mode eq 'install' && $categoryname ne 'conf') {
 1215: 	    if ($build) {
 1216: 		my $bi=$sourceroot.'/'.$source.';'.$build.';'.
 1217: 		    $dependencies;
 1218: 		my ($source2,$command,$trigger,@deps)=split(/\;/,$bi);
 1219: 		$tword=''; $tword=' alwaysrun' if $trigger eq 'always run'; 
 1220: 		$command=~s/\/([^\/]*)$//;
 1221: 		$command2="cd $command; sh ./$1;\\";
 1222: 		my $depstring;
 1223: 		foreach my $dep (@deps) {
 1224: 		    $depstring.=<<END;
 1225: 		ECODE=0; DEP=''; \\
 1226: 		test -e $dep || (echo '**** WARNING **** cannot evaluate status of dependency $dep (for building ${sourceroot}/${source} with)'$logcmd); DEP="1"; \\
 1227: 		[ -n DEP ] && { perl filecompare.pl -b2 $dep ${targetroot}/${target} || ECODE=\$\$?; } || DEP="1"; \\
 1228: 		case "\$\$ECODE" in \\
 1229: 			2) echo "**** WARNING **** dependency $dep is newer than target file ${targetroot}/${target}; you may want to run make build"$logcmd;; \\
 1230: 		esac; \\
 1231: END
 1232: 		}
 1233:                 chomp $depstring;
 1234: 		$buildtest=<<END;
 1235: 	\@if !(test -e "${sourceroot}/${source}") && !(test -e "${targetroot}/${target}"); then \\
 1236: 		echo "**** ERROR **** ${sourceroot}/${source} is missing and is also not present at target location ${targetroot}/${target}; you must run make build"$logcmd; exit; \\
 1237: END
 1238:                 $buildtest.=<<END if $depstring;
 1239: 	elif !(test -e "${sourceroot}/${source}"); then \\
 1240: $depstring
 1241: END
 1242:                 $buildtest.=<<END;
 1243: 	fi
 1244: END
 1245: 	    }
 1246:             my $bflag='-b1';
 1247:             $bflag='-b3' if $dependencies or $buildlink;
 1248: 	    return <<END;
 1249: $buildtest	\@if !(test -e "${sourceroot}/${source}") && !(test -e "${targetroot}/${target}"); then \\
 1250: 		echo "**** ERROR **** CVS source file does not exist: ${sourceroot}/${source} and neither does target: ${targetroot}/${target}"$logcmd; \\
 1251: 	elif !(test -e "${sourceroot}/${source}"); then \\
 1252: 		echo "**** WARNING **** CVS source file does not exist: ${sourceroot}/${source}"$logcmd; \\
 1253: 		perl verifymodown.pl ${targetroot}/${target} "$categoryhash{$categoryname}"$logcmd; \\
 1254: 	else \\
 1255: 		ECODE=0; \\
 1256: 		perl filecompare.pl $bflag ${sourceroot}/${source} ${targetroot}/${target} || ECODE=\$\$?; \\
 1257: 		case "\$\$ECODE" in \\
 1258: 			1) echo "${targetroot}/${target} is unchanged";; \\
 1259: 			2) echo "**** WARNING **** target file ${targetroot}/${target} is newer than CVS source; saving current (old) target file to ${targetroot}/${target}.lpmlsave and then overwriting"$logcmd && install -o www -g www -m 0600 ${targetroot}/${target} ${targetroot}/${target}.lpmlsave && install $categoryhash{$categoryname} ${sourceroot}/${source} ${targetroot}/${target};; \\
 1260: 			0) echo "install $categoryhash{$categoryname} ${sourceroot}/${source} ${targetroot}/${target}" && install $categoryhash{$categoryname} ${sourceroot}/${source} ${targetroot}/${target};; \\
 1261: 		esac; \\
 1262: 		perl verifymodown.pl ${targetroot}/${target} "$categoryhash{$categoryname}"$logcmd; \\
 1263: 	fi
 1264: END
 1265: 	}
 1266: 	elsif ($mode eq 'configinstall' && $categoryname eq 'conf') {
 1267: 	    push @configall,$targetroot.'/'.$target;
 1268: 	    return $targetroot.'/'.$target.': alwaysrun'."\n".
 1269: 		"\t".'@# Compare source with target and intelligently respond'.
 1270: 		"\n\t\n\t\n".
 1271: 
 1272: 
 1273: 		"\t".'@echo -n ""; ECODE=0 && { perl filecompare.pl -b4 \\'.
 1274: 		"\n\t".$sourceroot.'/'.$source." \\\n\t".
 1275: 		$targetroot.'/'.$target." \\\n\t".
 1276: 		' || ECODE=$$?; } && '."\\\n\t"."\\\n\t"."\\\n\t".
 1277: 
 1278: 
 1279: 		'{ [ $$ECODE != "2" ] || '." \\\n\t".'(install '.
 1280:                 $categoryhash{$categoryname}." \\\n\t\t".
 1281: 		$sourceroot.'/'.$source." \\\n\t\t".
 1282: 		$targetroot.'/'.$target.'.lpmlnew'." \\\n\t\t".
 1283: 		' && echo "**** NOTE: CONFIGURATION FILE CHANGE ****"'.
 1284: 		" \\\n\t\t".$logcmd.' && '." \\\n\t\t"."echo -n \"".
 1285: 		'You likely need to compare contents of "'."\\\n\t\t\t".
 1286: 		'&& echo -n "'.$targetroot.'/'.$target.'"'."\\\n\t\t".
 1287: 		'&& echo -n " with the new "'."\\\n\t\t\t".
 1288:                 '&& echo "'.$targetroot.'/'.$target.'.lpmlnew"'."\\\n\t\t".
 1289: 		"$logcmd); } && "." \\\n\t"."\\\n\t"."\\\n\t".
 1290: 
 1291: 
 1292: 		'{ [ $$ECODE != "3" ] || '."\\\n\t".
 1293: 		'(install '.
 1294:                 $categoryhash{$categoryname}."\\\n\t\t".
 1295: 		$sourceroot.'/'.$source."\\\n\t\t".
 1296: 		$targetroot.'/'.$target."\\\n\t\t".
 1297: 		' && echo "**** WARNING: NEW CONFIGURATION FILE ADDED ****"'.
 1298: 		"\\\n\t\t".$logcmd.' && '."\\\n\t\t".
 1299: 		'echo -n "'.
 1300: 		'You likely need to review the contents of "'."\\\n\t\t\t".
 1301: 		'&& echo -n "'.
 1302: 		$targetroot.'/'.$target.'"'."\\\n\t\t\t".
 1303: 		'&& echo -n "'.
 1304: 		' to make sure its "'."\\\n\t\t".
 1305: 		'&& echo "'.
 1306:                 'settings are compatible with your overall system"'."\\\n\t\t".
 1307: 		"$logcmd); } && "."\\\n\t"."\\\n\t"."\\\n\t".
 1308: 
 1309: 
 1310: 		'{ [ $$ECODE != "1" ] || ('."\\\n\t\t".
 1311: 		'echo "**** ERROR ****"'.$logcmd.' && '."\\\n\t\t".'echo -n "'.
 1312: 		'Configuration source file does not exist "'."\\\n\t\t".
 1313: 		'&& echo -n "'.$sourceroot.'/'.$source.'"'."\\\n\t\t".
 1314: 		"$logcmd); } && "."\\\n\t\t".
 1315: 		"perl verifymodown.pl ${targetroot}/${target} "."\\\n\t\t\t".
 1316: 		"\"$categoryhash{$categoryname}\""."\\\n\t\t\t".
 1317: 		"$logcmd;\n\n";
 1318: 	}
 1319: 	elsif ($mode eq 'build' && $build) {
 1320: 	    push @buildall,$sourceroot.'/'.$source;
 1321: 	    push @buildinfo,$targetroot.'/'.$target.';'.$sourceroot.'/'.
 1322: 		$source.';'.$build.';'.
 1323: 		$dependencies;
 1324: #	    return '# need to build '.$source.";
 1325: 	}
 1326:         elsif ($mode eq 'rpm_file_list') {
 1327: 	    if ($categoryname eq 'doc') {
 1328: 		return $targetroot.'/'.$target.' # doc'."\n";
 1329: 	    }
 1330: 	    elsif ($categoryname eq 'conf') {
 1331: 		return $targetroot.'/'.$target.' # config'."\n";
 1332: 	    }
 1333: 	    else {
 1334: 		return $targetroot.'/'.$target."\n";
 1335: 	    }
 1336: 	}
 1337: 	else {
 1338: 	    return '';
 1339: 	}
 1340:     }
 1341:     return '';
 1342: }
 1343: # --------------------------------------------------------- Format link section
 1344: sub format_link {
 1345:     my @tokeninfo=@_;
 1346:     $link=''; $linkto=''; $source=''; $target=''; $categoryname=''; 
 1347:     $description=''; $note=''; $build=''; $status=''; $dependencies='';
 1348:     my $text=&trim($parser->get_text('/link'));
 1349:     if ($linkto) {
 1350: 	$parser->get_tag('/link');
 1351: 	if ($mode eq 'html') {
 1352: 	    my @targets=map {s/^\s*//;s/\s$//;$_} split(/\;/,$target);
 1353: 	    $link_count+=scalar(@targets);
 1354: 	    foreach my $tgt (@targets) {
 1355: 		$categorycount{$categoryname}++;
 1356: 		push @links,("\n<!-- FILESORT:$tgt -->".
 1357: 		    "<tr>".
 1358: 		    "<td><!-- POSTEVAL [$categoryname] verify.pl link ".
 1359: 		    "'/$targetrootarg$linkto' '/$targetrootarg$tgt' ".
 1360: 		    "$categoryhash{$categoryname} -->&nbsp;</td><td>".
 1361: 		    "<img src='$fab{$categoryname}.gif' ".
 1362: 		    "alt='$categoryname icon' /></td>".
 1363: 		    "<td><font size='-1'>$categoryname</font></td>".
 1364: 		    "<td>LINKTO: $linkto<br />TARGET: $tgt</td>".
 1365: 		    "<td>$description</td>".
 1366: 		    "<td>$note</td>".
 1367: 		    "</tr>");
 1368: #		push @links,"\t".'ln -fs /'.$linkto.' /'.$targetroot.$tgt.
 1369: #		    "\n";
 1370: 	    }
 1371: 	    return join('',@links);
 1372: #	    return ($link="\n<!-- FILESORT:$target -->".
 1373: #		    "<tr>".
 1374: #		    "<td>&nbsp;</td><td><img src='$fab{$categoryname}.gif' ".
 1375: #		    "alt='$categoryname icon' /></td>".
 1376: #		    "<td>$categoryname</td>".
 1377: #		    "<td>LINKTO: $linkto<br />TARGET: $target</td>".
 1378: #		    "<td>$description</td>".
 1379: #		    "<td>$note</td>".
 1380: #		    "</tr>");
 1381: #	    return $link="\n<tr><td colspan='6'>BEGIN LINK\n".
 1382: #		"$linkto $target $categoryname $description $note " .
 1383: #		"$build $status $dependencies" .
 1384: #		    "\nEND LINK</td></tr>";
 1385: 	}
 1386: 	elsif ($mode eq 'install') {
 1387: 	    my @targets=map {s/^\s*//;s/\s$//;$_} split(/\;/,$target);
 1388: 	    foreach my $tgt (@targets) {
 1389: 		push @links,"\t".'ln -fs /'.$linkto.' '.$targetroot.'/'.$tgt.
 1390: 		    "\n";
 1391: 	    }
 1392: #	    return join('',@links);
 1393: 	    return '';
 1394: 	}
 1395: 	elsif ($mode eq 'rpm_file_list') {
 1396: 	    my @linklocs;
 1397: 	    my @targets=map {s/^\s*//;s/\s$//;$_} split(/\;/,$target);
 1398: 	    foreach my $tgt (@targets) {
 1399: 		push @linklocs,''.$targetroot.'/'.$tgt."\n";
 1400: 	    }
 1401: 	    return join('',@linklocs);
 1402: 	}
 1403: 	else {
 1404: 	    return '';
 1405: 	}
 1406:     }
 1407:     return '';
 1408: }
 1409: # ----------------------------------------------------- Format fileglob section
 1410: sub format_fileglob {
 1411:     my @tokeninfo=@_;
 1412:     $fileglob=''; $glob=''; $sourcedir='';
 1413:     $targetdir=''; $categoryname=''; $description='';
 1414:     $note=''; $build=''; $status=''; $dependencies='';
 1415:     $filenames='';
 1416:     my $text=&trim($parser->get_text('/fileglob'));
 1417:     my $filenames2=$filenames;$filenames2=~s/\s//g;
 1418:     $fileglob_count++;
 1419:     my @semi=($filenames2=~/(\;)/g);
 1420:     $fileglobnames_count+=scalar(@semi)+1;
 1421:     $categorycount{$categoryname}+=scalar(@semi)+1;
 1422:     if ($sourcedir) {
 1423: 	$parser->get_tag('/fileglob');
 1424: 	if ($mode eq 'MANIFEST') {
 1425:          return join("\n",(map {"$sourcedir$_"} split(/\;/,$filenames2)))."\n";
 1426: 	}
 1427: 	elsif ($mode eq 'html') {
 1428: 	    return $fileglob="\n<tr>".
 1429:       "<td><!-- POSTEVAL [$categoryname] verify.pl fileglob '$sourcerootarg' ".
 1430: 		"'$targetrootarg' ".
 1431: 		"'$glob' '$sourcedir' '$filenames2' '$targetdir' ".
 1432: 		"$categoryhash{$categoryname} -->&nbsp;</td>".
 1433: 		"<td>"."<img src='$fab{$categoryname}.gif' ".
 1434: 	        "alt='$categoryname icon' /></td>".
 1435: 		"<td>$categoryname<br />".
 1436: 		"<font size='-1'>".$categoryhash{$categoryname}."</font></td>".
 1437: 		"<td>SOURCEDIR: $sourcedir<br />".
 1438: 		"TARGETDIR: $targetdir<br />".
 1439:                 "GLOB: $glob<br />".
 1440:                 "FILENAMES: $filenames".
 1441: 		"</td>".
 1442: 		"<td>$description</td>".
 1443: 		"<td>$note</td>".
 1444: 		"</tr>";
 1445: #	    return $fileglob="\n<tr><td colspan='6'>BEGIN FILEGLOB\n".
 1446: #		"$glob sourcedir $targetdir $categoryname $description $note ".
 1447: #		"$build $status $dependencies $filenames" .
 1448: #		"\nEND FILEGLOB</td></tr>";
 1449: 	}
 1450: 	elsif ($mode eq 'install') {
 1451: 	    my $eglob=$glob;
 1452: 	    if ($glob eq '*') {
 1453: 		$eglob='[^C][^V][^S]'.$glob;
 1454: 	    }
 1455: 	    return "\t".'install '.
 1456: 		$categoryhash{$categoryname}.' '.
 1457: 		$sourceroot.'/'.$sourcedir.$eglob.' '.
 1458: 		$targetroot.'/'.$targetdir.'.'."\n";
 1459: 	}
 1460: 	elsif ($mode eq 'rpm_file_list') {
 1461: 	    my $eglob=$glob;
 1462: 	    if ($glob eq '*') {
 1463: 		$eglob='[^C][^V][^S]'.$glob;
 1464: 	    }
 1465: 	    my $targetdir2=$targetdir;$targetdir2=~s/\/$//;
 1466: 	    my @gfiles=map {s/^.*\///;"$targetroot/$targetdir2/$_\n"}
 1467: 	               glob("$sourceroot/$sourcedir/$eglob");
 1468: 	    return join('',@gfiles);
 1469: 	}
 1470: 	else {
 1471: 	    return '';
 1472: 	}
 1473:     }
 1474:     return '';
 1475: }
 1476: # ---------------------------------------------------- Format sourcedir section
 1477: sub format_sourcedir {
 1478:     my @tokeninfo=@_;
 1479:     $sourcedir='';
 1480:     my $text=&trim($parser->get_text('/sourcedir'));
 1481:     if ($text) {
 1482: 	$parser->get_tag('/sourcedir');
 1483: 	$sourcedir=$text;
 1484:     }
 1485:     return '';
 1486: }
 1487: # ------------------------------------------------------- Format target section
 1488: sub format_target {
 1489:     my @tokeninfo=@_;
 1490:     $target='';
 1491:     my $text=&trim($parser->get_text('/target'));
 1492:     if ($text) {
 1493: 	$parser->get_tag('/target');
 1494: 	$target=$text;
 1495:     }
 1496:     return '';
 1497: }
 1498: # ------------------------------------------------------- Format source section
 1499: sub format_source {
 1500:     my @tokeninfo=@_;
 1501:     $source='';
 1502:     my $text=&trim($parser->get_text('/source'));
 1503:     if ($text) {
 1504: 	$parser->get_tag('/source');
 1505: 	$source=$text;
 1506:     }
 1507:     return '';
 1508: }
 1509: # --------------------------------------------------------- Format note section
 1510: sub format_note {
 1511:     my @tokeninfo=@_;
 1512:     $note='';
 1513: #    my $text=&trim($parser->get_text('/note'));
 1514:     my $aref;
 1515:     my $text;
 1516:     while ($aref=$parser->get_token()) {
 1517: 	if ($aref->[0] eq 'E' && $aref->[1] eq 'note') {
 1518: 	    last;
 1519: 	}
 1520: 	elsif ($aref->[0] eq 'S') {
 1521: 	    $text.=$aref->[4];
 1522: 	}
 1523: 	elsif ($aref->[0] eq 'E') {
 1524: 	    $text.=$aref->[2];
 1525: 	}
 1526: 	else {
 1527: 	    $text.=$aref->[1];
 1528: 	}
 1529:     }
 1530:     if ($text) {
 1531: #	$parser->get_tag('/note');
 1532: 	$note=$text;
 1533:     }
 1534:     return '';
 1535: 
 1536: }
 1537: # -------------------------------------------------------- Format build section
 1538: sub format_build {
 1539:     my @tokeninfo=@_;
 1540:     $build='';
 1541:     my $text=&trim($parser->get_text('/build'));
 1542:     if ($text) {
 1543: 	$parser->get_tag('/build');
 1544: 	$build=$sourceroot.'/'.$text.';'.$tokeninfo[2]{'trigger'};
 1545: 	$build=~s/([^\\])\\\s+/$1/g; # allow for lines split onto new lines
 1546:     }
 1547:     return '';
 1548: }
 1549: # -------------------------------------------------------- Format build section
 1550: sub format_buildlink {
 1551:     my @tokeninfo=@_;
 1552:     $buildlink='';
 1553:     my $text=&trim($parser->get_text('/buildlink'));
 1554:     if ($text) {
 1555: 	$parser->get_tag('/buildlink');
 1556: 	$buildlink=$sourceroot.'/'.$text;
 1557:     }
 1558:     return '';
 1559: }
 1560: # ------------------------------------------------------- Format status section
 1561: sub format_status {
 1562:     my @tokeninfo=@_;
 1563:     $status='';
 1564:     my $text=&trim($parser->get_text('/status'));
 1565:     if ($text) {
 1566: 	$parser->get_tag('/status');
 1567: 	$status=$text;
 1568:     }
 1569:     return '';
 1570: }
 1571: # ------------------------------------------------- Format dependencies section
 1572: sub format_dependencies {
 1573:     my @tokeninfo=@_;
 1574:     $dependencies='';
 1575:     my $text=&trim($parser->get_text('/dependencies'));
 1576:     if ($text) {
 1577: 	$parser->get_tag('/dependencies');
 1578: 	$dependencies=join(';',
 1579: 			      (map {s/^\s*//;s/\s$//;$_} split(/\;/,$text)));
 1580:     }
 1581:     return '';
 1582: }
 1583: # --------------------------------------------------------- Format glob section
 1584: sub format_glob {
 1585:     my @tokeninfo=@_;
 1586:     $glob='';
 1587:     my $text=&trim($parser->get_text('/glob'));
 1588:     if ($text) {
 1589: 	$parser->get_tag('/glob');
 1590: 	$glob=$text;
 1591:     }
 1592:     return '';
 1593: }
 1594: # ---------------------------------------------------- Format filenames section
 1595: sub format_filenames {
 1596:     my @tokeninfo=@_;
 1597:     my $text=&trim($parser->get_text('/filenames'));
 1598:     if ($text) {
 1599: 	$parser->get_tag('/filenames');
 1600: 	$filenames=$text;
 1601:     }
 1602:     return '';
 1603: }
 1604: # ----------------------------------------------- Format specialnotices section
 1605: sub format_specialnotices {
 1606:     $parser->get_tag('/specialnotices');
 1607:     return '';
 1608: }
 1609: # ------------------------------------------------ Format specialnotice section
 1610: sub format_specialnotice {
 1611:     $parser->get_tag('/specialnotice');
 1612:     return '';
 1613: }
 1614: # ------------------------------------------------------- Format linkto section
 1615: sub format_linkto {
 1616:     my @tokeninfo=@_;
 1617:     my $text=&trim($parser->get_text('/linkto'));
 1618:     if ($text) {
 1619: 	$parser->get_tag('/linkto');
 1620: 	$linkto=$text;
 1621:     }
 1622:     return '';
 1623: }
 1624: # ------------------------------------- Render less-than and greater-than signs
 1625: sub htmlsafe {
 1626:     my $text=@_[0];
 1627:     $text =~ s/</&lt;/g;
 1628:     $text =~ s/>/&gt;/g;
 1629:     return $text;
 1630: }
 1631: # --------------------------------------- remove starting and ending whitespace
 1632: sub trim {
 1633:     my ($s)=@_; $s=~s/^\s*//; $s=~s/\s*$//; return $s;
 1634: } 
 1635: 
 1636: # ----------------------------------- POD (plain old documentation, CPAN style)
 1637: 
 1638: =pod
 1639: 
 1640: =head1 NAME
 1641: 
 1642: lpml_parse.pl - This is meant to parse files meeting the lpml document type.
 1643: 
 1644: =head1 SYNOPSIS
 1645: 
 1646: <STDIN> | perl lpml_parse.pl <MODE> <CATEGORY> <DIST> <SOURCE> <TARGET>
 1647: 
 1648: Usage is for the lpml file to come in through standard input.
 1649: 
 1650: =over 4
 1651: 
 1652: =item *
 1653: 
 1654: 1st argument is the mode of parsing.
 1655: 
 1656: =item * 
 1657: 
 1658: 2nd argument is the category permissions to use (runtime or development)
 1659: 
 1660: =item *
 1661: 
 1662: 3rd argument is the distribution
 1663: (default,redhat6.2,debian2.2,redhat7.1,etc).
 1664: 
 1665: =item *
 1666: 
 1667: 4th argument is to manually specify a sourceroot.
 1668: 
 1669: =item *
 1670: 
 1671: 5th argument is to manually specify a targetroot.
 1672: 
 1673: =back
 1674: 
 1675: Only the 1st argument is mandatory for the program to run.
 1676: 
 1677: Example:
 1678: 
 1679: cat ../../doc/loncapafiles.lpml |\\
 1680: perl lpml_parse.pl html runtime default /home/sherbert/loncapa /tmp/install
 1681: 
 1682: =head1 DESCRIPTION
 1683: 
 1684: The general flow of the script is to get command line arguments, run through
 1685: the XML document three times, and output according to any desired mode:
 1686: install, configinstall, build, rpm, dpkg, htmldoc, textdoc, and status.
 1687: 
 1688: A number of coding decisions are made according to the following principle:
 1689: installation software must be stand-alone.  Therefore, for instance, I try
 1690: not to use the GetOpt::Long module or any other perl modules.  (I do however
 1691: use HTML::TokeParser.)  I also have tried to keep all the MODES of
 1692: parsing inside this file.  Therefore, format_TAG subroutines are fairly
 1693: lengthy with their conditional logic.  A more "elegant" solution might
 1694: be to dynamically register the parsing mode and subroutines, or maybe even work
 1695: with stylesheets.  However, in order to make this the installation back-bone
 1696: of choice, there are advantages for HAVING EVERYTHING IN ONE FILE.
 1697: This way, the LPML installation software does not have to rely on OTHER
 1698: installation software (a chicken versus the egg problem).  Besides, I would
 1699: suggest the modes of parsing are fairly constant: install, configinstall,
 1700: build, rpm, dpkg, htmldoc, textdoc, and status.
 1701: 
 1702: Another coding decision is about using a multiple pass-through approach to
 1703: parsing the lpml file.  This saves memory and makes sure the server will never
 1704: be overloaded.  During the first pass-through, the script gathers information
 1705: specific as to resolving what tags with what 'dist=' attributes are to be used.
 1706: During the second pass-through, the script cleans up white-space surrounding
 1707: the XML tags, and filters through the tags based on information regarding the
 1708: 'dist=' attributes (information gathered in the first pass-through).
 1709: The third and final pass-through involves formatting and rendering the XML
 1710: into whatever XML mode is chosen: install, configinstall, build, rpm, dpkg,
 1711: htmldoc, textdoc, and status.
 1712: 
 1713: The hierarchy mandated by the DTD does not always correspond to the hierarchy
 1714: that is sensible for a Makefile.  For instance, in a Makefile it is sensible
 1715: that soft-links are installed after files.  However, in an LPML document, it
 1716: is sensible that files and links be considered together and the writer of the
 1717: LPML document should be free to place things in whatever order makes best
 1718: sense in terms of LOOKING at the information.  The complication that arises
 1719: is that the parser needs to have a memory for passing values from
 1720: leaves on the XML tree to higher-up branches.  Currently, this memory is
 1721: hard-coded (like with the @links array), but it may benefit from a more
 1722: formal approach in the future.
 1723: 
 1724: =head1 README
 1725: 
 1726: This parses an LPML file to generate information useful for
 1727: source to target installation, compilation, filesystem status
 1728: checking, RPM and Debian software packaging, and documentation.
 1729: 
 1730: More information on LPML is available at http://lpml.sourceforge.net.
 1731: 
 1732: =head1 PREREQUISITES
 1733: 
 1734: HTML::TokeParser
 1735: 
 1736: =head1 COREQUISITES
 1737: 
 1738: =head1 OSNAMES
 1739: 
 1740: linux
 1741: 
 1742: =head1 SCRIPT CATEGORIES
 1743: 
 1744: UNIX/System_administration
 1745: 
 1746: =head1 AUTHOR
 1747: 
 1748:  Scott Harrison
 1749:  codeharrison@yahoo.com
 1750: 
 1751: Please let me know how/if you are finding this script useful and
 1752: any/all suggestions.  -Scott
 1753: 
 1754: =cut

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