Fix new perl warnings

[fiction/Kate-the-Empress.git] / Tex2fb2
diff --git a/Tex2fb2 b/Tex2fb2

index 12f50da94cbca1d0b11758a5f6f08b85455a621d..9ed9dd93299d5c906fbac8ffe03bf9dbf4103947 100755 (executable)
--- a/Tex2fb2
+++ b/Tex2fb2
@@ -1,5 +1,7 @@
  #!/usr/bin/perl -CDS
  use utf8;
+use POSIX qw(strftime);
+use MIME::Base64;
  # char-level modes
  my $poetry = 0;
  my $verbatim = 0;
@@ -18,7 +20,27 @@ print "<FictionBook xmlns=\"http://www.gribuser.ru/xml/fictionbook/2.0\"
  xmlns:l=\"http://www.w3.org/1999/xlink\">\n";
  my $metadata = shift @ARGV;
  open F,"<",$metadata;
+my $pics = "";
  while (<F>) {
+       # Replace empty date with current date
+       if (/<date\s+\/>/ || /<date>\s*<\/date>/) {
+               $_ = "<date value=\"".strftime("%Y-%m-%d",localtime())."\">".
+                       strftime("%d/%m/%Y",localtime())."</date>\n";
+       }
+       # Add current to date as fractional part to version
+       if (/<version>(\d*)(.\d*)?<\/version>/) {
+               my $ver = $1+time()/1E10;
+               $_=tag(sprintf("%g",$ver),"version")."\n";
+       }
+       # Если  существует cover.png, добавляем coverpage
+       if (/<coverpage \/>/) {
+               $_="";
+               if (-f "cover.png") { 
+                       my $id = "cover_png";
+                       $_ = "<coverpage>\n<image l:href=\"#$id\" />\n</coverpage>\n";
+                       $pics .= mkbinary("cover.png",$id);
+               }
+       }
         print $_;
  }
  close F;
@@ -53,7 +75,7 @@ if ((/^$/ || $environ) && $buffer) {
  }
  next LINE if $environ;
  # Section headings
-if (/\\(part|chapter|section|subsection|subsubsection)\*?{(.*)}/) {
+if (/\\(part|chapter|section|subsection|subsubsection)\*?\{(.*)\}/) {
         if ($buffer) {
                 add_to_section(tag(flushbuffer($buffer),$poetry?"stanza":"p"));
                 $buffer="";
@@ -61,11 +83,17 @@ if (/\\(part|chapter|section|subsection|subsubsection)\*?{(.*)}/) {
         pushsection($1,tag($2,"p"));
         next LINE;
  }
-if (/\\vspace{/) {
+if (/\\vspace\{/) {
         add_to_section("<empty-line />");
         next LINE;
  }
  next LINE if /\\pagebreak\b/;
+#replace ' and " with entities
+s/&/&amp;/g;
+s/'/&apos;/g;
+s/"/&quot;/g;
+s/</&lt;/g;
+s/>/&gt;/g;
  #normal mode: 
  if (!$verbatim) {
  #strip TeX comments 
@@ -73,7 +101,7 @@ s/([^\\])%.*$/$1/;
  s/^%.*$//;
  # strip \sloppy
  s/\\sloppy\s+//g;
-s/\\sloppy{}//g;
+s/\\sloppy\{\}//g;
  s/\\sloppy([^\w])/$1/g;
  # strip extra space
  s/^\s+//;
@@ -81,21 +109,26 @@ s/\s+$//;
  s/(\s)\s+/$1/g;
  #replace TeX ligatures ~ --- << >> \% with appropriate unicode symbols
  s/~/\xA0/g;
+s/\\-/\xAD/g;
  s/---/—/g;
  s/<</«/g;
  s/>>/»/g;
  s/\\%/%/g;
  s/\\dots/\x{2026}/g;
+s/\\verb(.)(.*)\1/<code>$2<\/code>/;
  }
-#replace ' and " with entities
-s/&/&amp;/g;
-s/'/&apos;/g;
-s/"/&quot;/g;
-s/</&lt;/g;
-s/>/&gt;/g;
  
  if ($poetry) {
         chomp;
+       if ($poetic_buffer) {
+               $_ = $poetic_buffer." ".$_;
+               $poetic_buffer = undef;
+       }
+       if (/{[^}]+$/) {
+               $poetic_buffer=$_;
+               next LINE;
+       }
+       s/\\footnote\{(.*)\}/push_footnote($1)/e;
         s/\s*\\\\$//;
    $buffer.=tag($_,'v')."\n";
  } elsif ($verbatim) {
@@ -115,6 +148,7 @@ while (@sections) {
  print "</body>\n";
  ## print footnotes
  print "<body>\n$footnotes\n</body>" if $footnotes;
+print $pics;
  print "</FictionBook>";
  
  sub add_to_section {
@@ -172,9 +206,9 @@ sub tag {
  
  sub flushbuffer {
         local $_ = shift;
-       s/{\\(em|it|bf)(?:\s+|{})([^{}]+)}/<emphasis>$2<\/emphasis>/g;
-       s/\\(emph|textit|textbf){([^{}]+)}/<emphasis>$2<\/emphasis>/g;
-       s/\\footnote{(.*)}/push_footnote($1)/e;
+       s/\{\\(em|it|bf)(?:\s+|\{\})([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
+       s/\\(emph|textit|textbf)\{([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
+       s/\\footnote\{(.*)\}/push_footnote($1)/e;
         s/[{}]//g;
         return $_;
  }
@@ -185,3 +219,14 @@ sub push_footnote {
         $footnotes.="<section id=\"$id\">".tag(shift,'p')."</section>\n";
         return "<a l:href=\"#$id\" type=\"note\">$idseq</a>";
  }
+
+sub mkbinary {
+       my ($filename,$id) = @_;
+       my $f;
+       open $f,"<",$filename;
+       binmode $f;
+       local $/;
+       my $data = encode_base64(<$f>);
+       return "<binary id=\"$id\" content-type=\"image/png\">$data</binary>\n";
+       close $f;
+}