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[经验分享] perl 将XML格式转换为html、txt、pod格式

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发表于 2018-8-31 09:19:45 | 显示全部楼层 |阅读模式
  xmlfile:
  [root@dou xml]# cat example
  
  
  Test README File
  
  This is a summary of the file.
  It should appear in PRE tags
  
  
  This is the full description of the file
  

  Subsection>  Subsection text
  
  

  Another Subsection>  More Subsection text
  
  List item 1
  List item 2
  
  
  
  
  Dave Cross
  dave@mag-sol.com
  
  
  
  Something
  Something else
  
  
  
  [root@dou xml]#
  perl转换脚本:
  #!/usr/bin/perl -w
  use strict;
  use XML::Parser;
  use Getopt::Std;
  use Text::Wrap;
  my %formats = (h => {name => 'html'},
  p => {name => 'pod'},
  t => {name => 'text'});
  my %opts;
  (getopts('f:', \%opts) && @ARGV) || die "usage: format_xml.pl -f h|p|t xml_file\n";
  die "Invalid format: $opts{f}\n" unless exists $formats{$opts{f}};
  warn "Formatting file as $formats{$opts{f}}->{name}\n";
  my $p = XML::Parser->new(Style => 'Tree');
  my $tree = $p->parsefile(shift);
  my $level = 0;
  my $ind = '';
  my $head = 1;
  top($tree);
  process_node(@$tree);
  bot();
  sub process_node {
  my ($type, $content) = @_;
  $ind = ' ' x $level;
  if ($type) {
  local $_ = $type;
  my $attrs = shift @$content;
  /^NAME$/ && name($content);
  /^SYNOPSIS$/ && synopsis($content);
  /^DESCRIPTION$/ && description();
  /^TEXT$/ && text($content);
  /^CODE$/ && code($content);
  /^HEAD$/ && head($content);
  /^LIST$/ && do {list($attrs, $content); @$content = ()};
  /^AUTHOR$/ && author();
  /^ANAME$/ && aname($content);
  /^EMAIL$/ && email($content);
  /^SEE_ALSO$/ && see_also($content);
  while (my @node = splice @$content, 0, 2) {
  ++$level;
  ++$head if $type eq 'SUBSECTION';
  process_node(@node);
  --$head if $type eq 'SUBSECTION';
  --$level;
  }
  }
  }
  sub top {
  $tree = shift;
  if ($opts{f} eq 'h') {
  print "\n";
  print "\n";
  print "$tree->[1]->[4]->[2]\n";
  print "\n\n";
  } elsif ($opts{f} eq 'p') {
  print "=pod\n\n";
  } elsif ($opts{f} eq 't') {
  print "\n", $tree->[1]->[4]->[2], "\n";
  print '-' x length($tree->[1]->[4]->[2]), "\n\n";
  }
  }
  sub bot {
  if ($opts{f} eq 'h') {
  print "\n\n";
  } elsif ($opts{f} eq 'p') {
  print "=cut\n\n";
  } elsif ($opts{f} eq 't') {
  # do nothing
  }
  }
  sub name {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print "NAME\n";
  print "$content->[1]\n"
  } elsif ($opts{f} eq 'p') {
  print "=head1 NAME\n\n";
  print "$content->[1]\n\n";
  } elsif ($opts{f} eq 't') {
  print "NAME\n\n";
  print $ind, "$content->[1]\n\n";
  }
  }
  sub synopsis {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print "SYNOPSIS\n";
  print "$content->[1]\n"
  } elsif ($opts{f} eq 'p') {
  print "=head1 SYNOPSIS\n\n";
  print "$content->[1]\n";
  } elsif ($opts{f} eq 't') {
  print "SYNOPSIS\n";
  print "$content->[1]\n";
  }
  }
  sub description {
  if ($opts{f} eq 'h') {
  print "DESCRIPTION\n";
  } elsif ($opts{f} eq 'p') {
  print "=head1 DESCRIPTION\n\n";
  } elsif ($opts{f} eq 't') {
  print "DESCRIPTION\n\n";
  }
  }
  sub text {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print "$content->[1]\n"
  } elsif ($opts{f} eq 'p') {
  print wrap('', '', trim($content->[1])), "\n\n";
  } elsif ($opts{f} eq 't') {
  print wrap($ind, $ind, trim($content->[1])), "\n\n";
  }
  }
  sub code {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print "$content->[1]\n"
  } elsif ($opts{f} eq 'p') {
  print "$content->[1]\n";
  } elsif ($opts{f} eq 't') {
  print "$content->[1]\n";
  }
  }
  sub head {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print "", trim($content->[1]), "\n"
  } elsif ($opts{f} eq 'p') {
  print "=head$head ", trim($content->[1]), "\n\n";
  } elsif ($opts{f} eq 't') {
  print trim($content->[1]), "\n\n";
  }
  }
  sub list {
  my ($attrs, $content) = @_;
  my %list = (bullet => 'ul', numbered => 'ol');
  my $type = $attrs->{TYPE};
  if ($opts{f} eq 'h') {
  print "\n";
  while (my @node = splice @$content, 0, 2) {
  if ($node[0] eq 'ITEM') {
  print "$node[1]->[2]\n";
  }
  }
  print "\n";
  } elsif ($opts{f} eq 'p') {
  print "=over 4\n";
  while (my @node = splice @$content, 0, 2) {
  my $cnt = 1;
  if ($node[0] eq 'ITEM') {
  print "=item *\n$node[1]->[2]\n\n";
  }
  }
  print "=back\n\n";
  } elsif ($opts{f} eq 't') {
  while (my @node = splice @$content, 0, 2) {
  my $cnt = 1;
  if ($node[0] eq 'ITEM') {
  print $ind, "* $node[1]->[2]\n";
  }
  }
  print "\n";
  }
  }
  sub author {
  if ($opts{f} eq 'h') {
  print "AUTHOR\n";
  } elsif ($opts{f} eq 'p') {
  print "=head1 AUTHOR\n\n";
  } elsif ($opts{f} eq 't') {
  print "AUTHOR\n\n";
  }
  }
  sub aname {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print "$content->[1]\n"
  } elsif ($opts{f} eq 'p') {
  print trim($content->[1]), ' ';
  } elsif ($opts{f} eq 't') {
  print $ind, trim($content->[1]), ' ';
  }
  }
  sub email {
  my $content = shift;
  if ($opts{f} eq 'h') {
  print '<', trim($content->[1]), ">\n"
  } elsif ($opts{f} eq 'p') {
  print '

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所有资源均系网友上传或者通过网络收集,我们仅提供一个展示、介绍、观摩学习的平台,我们不对其承担任何法律责任,如涉及侵犯版权等问题,请您及时通知我们,我们将立即处理,联系人Email:kefu@iyunv.com,QQ:1061981298 本贴地址:https://www.yunweiku.com/thread-559186-1-1.html 上篇帖子: perl XML::RSS创建RSS文件并解析 下篇帖子: 环境变量PERL5LIB的值超过1023字符。无法设置该值
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