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+#! /usr/bin/perl -w
+# -*- mode: perl; mode: fold -*-
+
+# This is a Perl script for Doxygen developers.
+# Its main purpose is to extract the information from sources
+# related to internationalization (the translator classes).
+#
+# Petr Prikryl (prikrylp@skil.cz)
+# History:
+# --------
+# 2001/04/27
+# - First version of the script.
+#
+# 2002/05/02
+# - Update to accept updateNeededMessage() in the Translator class.
+# - First version that generates doc/language.doc.
+#
+################################################################
+
+require 5.005;
+use strict;
+use Carp;
+
+# Global variables
+#
+my $doxygenrootdir = "..";
+my $srcdir = "$doxygenrootdir/src";
+my $docdir = "$doxygenrootdir/doc";
+
+# Names of the output files.
+#
+my $ftxt = "translator_report.txt";
+my $fdoc = "language.doc";
+
+
+################################################################
+# GetPureVirtual returns a hash of pure virtual method prototypes
+# in a hash where the key is the method prototype, and the value
+# is 1. The input argument is the full name of the source file.
+#
+sub GetPureVirtualFrom ##{{{
+{
+ my $fin = shift; # Get the file name.
+
+ # Let's open the file and read it into a single string.
+ #
+ open(FIN, "< $fin") or die "\nError when open < $fin: $!";
+ my @content = <FIN>;
+ close FIN;
+ my $cont = join("", @content);
+
+ # Remove comments and empty lines.
+ #
+ $cont =~ s{\s*//.*$}{}mg; # remove one-line comments
+ while ($cont =~ s{/\*.+?\*/}{}sg ) {} # remove C comments
+ $cont =~ s{\n\s*\n}{\n}sg; # remove empty lines
+
+ # Remove the beginning up to the first virtual method.
+ # Remove also the text behind the class.
+ #
+ $cont =~ s/^.*?virtual/virtual/s;
+ $cont =~ s/\n\};.*$//s;
+
+ # Erase anything between "=0;" and "virtual". Only the pure
+ # virtual methods will remain. Remove also the text behind
+ # the last "= 0;"
+ #
+ $cont =~ s{(=\s*0\s*;).*?(virtual)}{$1 $2}sg;
+ $cont =~ s{^(.+=\s*0\s*;).*?$}{$1}s;
+
+ # Remove the empty implementation of the updateNeededMessage()
+ # method which is to be implemented by adapters only, not by
+ # translators.
+ #
+ $cont =~ s{\s*virtual
+ \s+QCString
+ \s+updateNeededMessage\(\)
+ \s+\{\s*return\s+"";\s*\}
+ }
+ {}xs;
+
+ # Replace all consequent white spaces (including \n) by a single
+ # space. Trim also the leading and the trailing space.
+ #
+ $cont =~ s{\s+}{ }sg;
+ $cont =~ s{^\s+}{}s;
+ $cont =~ s{\s+$}{}s;
+
+ # Split the result to the lines again. Remove the "= 0;".
+ #
+ $cont =~ s{\s*=\s*0\s*;\s*}{\n}sg;
+
+ # Remove the keyword "virtual" because the derived classes
+ # may not use it.
+ #
+ $cont =~ s{^virtual\s+}{}mg;
+
+ # Split the string into array of lines and fill the output hash.
+ #
+ my %result = ();
+
+ foreach (split(/\n/, $cont)) {
+ $result{$_} = 1;
+ }
+
+ return %result;
+}
+##}}}
+
+
+################################################################
+# GetInfoFrom returns the list of information related to the
+# parsed source file. The input argument is the name of the
+# translator_xx.h file including path.
+#
+# The output list contains the following items:
+# - class identifier
+# - base class identifier
+# - method prototypes (each in a separate item)
+#
+sub GetInfoFrom ##{{{
+{
+ # Get the file name.
+ #
+ my $fin = shift;
+
+ # Let's open the file and read it into a single string.
+ #
+ open(FIN, "< $fin") or die "\nError when open < $fin: $!";
+ my @content = <FIN>;
+ close FIN;
+ my $cont = join("", @content);
+
+ # Remove comments and empty lines.
+ #
+ $cont =~ s{\s*//.*$}{}mg; # remove one-line comments
+ $cont =~ s{/\*.+?\*/}{}sg; # remove C comments
+ $cont =~ s{\n\s*\n}{\n}sg; # remove empty lines
+
+ # Extract the class and base class identifiers. Remove the
+ # opening curly brace. Remove also the first "public:"
+ # Put the class and the base class into the output list.
+ #
+ $cont =~ s{^.*class\s+(Translator\w+)[^:]*:
+ \s*public\s+(\w+)\b.*?\{\s*
+ (public\s*:\s+)?
+ }
+ {}sx;
+
+ @content = ($1, $2);
+
+ # Cut the things after the class.
+ #
+ $cont =~ s{\}\s*;\s*#endif\s*$}{}s;
+
+ # Remove the "virtual" keyword, because some the derived class
+ # is not forced to use it.
+ #
+ $cont =~ s{^\s*virtual\s+}{}mg;
+
+ # Remove all strings from lines.
+ #
+ $cont =~ s{".*?"}{}mg;
+
+ # Remove all bodies of methods;
+ #
+ while ($cont =~ s/{[^{}]+?}//sg) {}
+
+ # Remove all private methods, i.e. from "private:" to "public:"
+ # included. Later, remove also all from "private:" to the end.
+ #
+ $cont =~ s{private\s*:.*?public\s*:}{}sg;
+ $cont =~ s{private\s*:.*$}{}s;
+
+ # Some of the translators use conditional compilation where
+ # the branches define the body of the method twice. Remove
+ # the ifdef/endif block content.
+ #
+ $cont =~ s{#ifdef.*?#endif}{}sg;
+
+ # Now the string should containt only method prototypes.
+ # Let's unify their format by removing all spaces that
+ # are not necessary. Then let's put all of them on separate
+ # lines (one protototype -- one line; no empty lines).
+ #
+ $cont =~ s{\s+}{ }sg;
+ $cont =~ s{^\s+}{}s;
+ $cont =~ s{\s+$}{}s;
+
+ $cont =~ s{\)\s*}{)\n}g;
+
+ # Split the string and add it to the ouptut list.
+ #
+ @content = (@content, split(/\n/, $cont));
+ return @content;
+}
+##}}}
+
+
+################################################################
+# GenerateLanguageDoc takes document templates and code sources
+# generates the content as expected in the language.doc file (the
+# part of the Doxygen documentation), and returns the result as a
+# string.
+#
+sub GenerateLanguageDoc ##{{{
+{
+ # Get the references to the hash of class/base class.
+ #
+ my $rcb = shift;
+
+ # Define templates for HTML table parts of the documentation. #{{{
+ #
+ my $htmlTableHead = <<'xxxTABLE_HEADxxx';
+\htmlonly
+<TABLE ALIGN=center CELLSPACING=0 CELLPADDING=0 BORDER=0>
+<TR BGCOLOR="#000000">
+<TD>
+ <TABLE CELLSPACING=1 CELLPADDING=2 BORDER=0>
+ <TR BGCOLOR="#4040c0">
+ <TD ><b><font size=+1 color="#ffffff"> Language </font></b></TD>
+ <TD ><b><font size=+1 color="#ffffff"> Maintainer </font></b></TD>
+ <TD ><b><font size=+1 color="#ffffff"> Contact address </font>
+ <font size=-2 color="#ffffff">(remove the NOSPAM.)</font></b></TD>
+ <TD ><b><font size=+1 color="#ffffff"> Status </font></b></TD>
+ </TR>
+xxxTABLE_HEADxxx
+
+ my $htmlTableRow = <<'xxxTABLE_ROWxxx';
+ <TR BGCOLOR="#ffffff">
+ <TD>$lang</TD>
+ <TD>$maintainer</TD>
+ <TD>$email</TD>
+ <TD>$status</TD>
+ </TR>
+xxxTABLE_ROWxxx
+
+ my $htmlTableFoot = <<'xxxTABLE_FOOTxxx';
+ </TABLE>
+</TD>
+</TR>
+</TABLE>
+\endhtmlonly
+xxxTABLE_FOOTxxx
+ ##}}}
+
+ # Define templates for LaTeX table parts of the documentation. #{{{
+ #
+ my $latexTableHead = <<'xxxTABLE_HEADxxx';
+\latexonly
+\begin{tabular}{|l|l|l|l|}
+ \hline
+ {\bf Language} & {\bf Maintainer} & {Contact address} & {Status} \\
+xxxTABLE_HEADxxx
+
+ my $latexTableRow = <<'xxxTABLE_ROWxxx';
+ $lang & $maintainer & {\tt $email} & $status \\
+xxxTABLE_ROWxxx
+
+ my $latexTableFoot = <<'xxxTABLE_FOOTxxx';
+ \hline
+\end{tabular}
+\endlatexonly
+xxxTABLE_FOOTxxx
+ ##}}}
+
+ # Read the template of the documentation, and join the content
+ # to a single string. #{{{
+ #
+ my $fin = "$docdir/language.tpl";
+ open(FIN, "< $fin") or die "\nError when open < $fin: $!";
+ my @content = <FIN>;
+ close FIN;
+
+ my $output = join("", @content);
+ ##}}}
+
+ # Make and substitute the list of supported languages and their
+ # number. #{{{
+ #
+ my @languages = sort grep { s{^Translator}{} } keys %{$rcb};
+
+ my $numlang = @languages;
+
+ $output =~ s{\$numlang}{$numlang};
+
+ my $languages = join(", ", @languages);
+ $languages =~ s{((\w+,\s){5})}{$1\n}g;
+ $languages =~ s{Brazilian}{Brazilian Portuguese};
+ $languages =~ s{(,\s+)(\w+)$}{$1and $2}s;
+
+ $output =~ s{\$languages}{$languages};
+ ##}}}
+
+ # Create the hash of languages with the initial info. #{{{
+ #
+ my %language = ();
+
+ foreach (@languages) {
+ $language{$_} = $$rcb{"Translator$_"} . "<msep/>unknown: unknown";
+ }
+ ##}}}
+
+ # Read the information related to maintainers into the
+ # string using suitable separators -- one line, one language. #{{{
+ #
+ $fin = "$docdir/maintainers.txt";
+ open(FIN, "< $fin") or die "\nError when open < $fin: $!";
+ my @maintainers = <FIN>;
+ close FIN;
+
+ my $maintainers = join("", @maintainers);
+
+ # Trim the spaces on the lines. Strip the comment lines that
+ # start with % sign.
+ #
+ $maintainers =~ s{^[ \t]+}{}mg;
+ $maintainers =~ s{[ \t]+$}{}mg;
+
+ $maintainers =~ s{^%.*$}{}mg;
+
+ # Join the information for one language into one line,
+ # and remove empty lines.
+ #
+ $maintainers =~ s{\b\n\b}{<sep/>}sg;
+ $maintainers =~ s{\n{2,}}{\n}sg;
+ $maintainers =~ s{^\n+}{}s;
+ $maintainers =~ s{\n+$}{}s;
+ ##}}}
+
+ # Split the string back to the list, and update the information
+ # in the hash with information for languages. #{{{
+ #
+ foreach my $line (sort split(/\n/, $maintainers)) {
+
+ # Split the line for one language to separate lines for
+ # the language and one or more maintainers.
+ #
+ my @info = split(/<sep\/>/, $line);
+
+ my $lang = shift @info;
+
+ # Ensure that the language starts with uppercase and
+ # continues with lowercase.
+ #
+ $lang =~ s{^(\w)(\w+)}{\U$1\L$2\E};
+
+ # Add information to the %language hash. If the language
+ # was not defined in sources, add the question mark to the
+ # language identifier.
+ #
+ if (defined $language{$lang}) {
+ $language{$lang} = $$rcb{"Translator$lang"} . '<msep/>'
+ . join("<sep/>", @info);
+ }
+ else {
+ $lang .= " (?)";
+ $language{$lang} = "unknown<msep/>" . join("<sep/>", @info);
+ }
+ }
+ ##}}}
+
+ # Now, the %language hash contains all the information needed for
+ # generating the tables (HTML and LaTeX). Define string variables
+ # for each of the tables, and initialize them. #{{{
+ #
+ my $tableHTML = $htmlTableHead;
+ my $tableLATEX = $latexTableHead;
+ ##}}}
+
+ # Loop through sorted keys for the languages, parse the
+ # information, and add it to the tables. #{{{
+ #
+ foreach my $lang (sort keys %language) {
+
+ # Read the line with info for the language and separate
+ # the information of status. #{{{
+ #
+ my @list = split(/<msep\/>/, $language{$lang});
+ my $status = shift @list;
+
+ my $i = $status =~ s{^Translator$}{up-to-date};
+
+ if ($i == 0) {
+ $i = $status =~ s{^TranslatorAdapter_(\d)_(\d)_(\d)}
+ {$1.$2.$3}x;
+ }
+
+ if ($i == 0) { $status = '?'; }
+
+ ##}}}
+
+ # Split the rest of the list (should be a single item) into
+ # the list with one or more maintainers -- one line, one
+ # maintainer. #{{{
+ #
+ my $rest = shift @list;
+ @list = split(/<sep\/>/, $rest);
+ ##}}}
+
+ # In HTML table, maintainer names are placed in the same
+ # cell. Also their e-mails are placed in a single cell.
+ # Extract the string with concatenated names and the string
+ # with concatenated e-mails. Add the row to the HTML
+ # table. #{{{
+ #
+ my $name = '';
+ my $email = '';
+
+ foreach my $maintainer (@list) {
+
+ if ($name ne '') { $name .= '<br>'; }
+ if ($email ne '') { $email .= '<br>'; }
+
+ $maintainer =~ m{^\s*(.+?)\s*:\s*(.+?)\s*$};
+
+ $name .= $1;
+ $email .= $2;
+ }
+
+ # Prepare the HTML row template, modify it, and add the
+ # result to the HTML table.
+ #
+ my $item = $htmlTableRow;
+
+ $item =~ s{\$lang}{$lang};
+ $item =~ s{\$maintainer}{$name};
+ $item =~ s{\$email}{$email};
+ $item =~ s{\$status}{$status};
+
+ $tableHTML .= $item;
+
+ ##}}}
+
+ # For LaTeX, more maintainers for the same language are
+ # placed on separate rows in the table. The line separator
+ # in the table is placed explicitly above the first
+ # maintainer. Add rows for all maintainers to the LaTeX
+ # table. #{{{
+ #
+ # Prepare the LATEX row template, modify it, and add the
+ # result to the LATEX table.
+ #
+ $item = $latexTableRow;
+
+ my $first = shift @list; # the first maintainer.
+ $first =~ m{^\s*(.+?)\s*:\s*(.+?)\s*$};
+
+ $name = $1;
+ $email = $2;
+
+ $item =~ s{\$lang}{$lang};
+ $item =~ s{\$maintainer}{$name};
+ $item =~ s{\$email}{$email};
+ $item =~ s{\$status}{$status};
+
+ $tableLATEX .= " \\hline\n" . $item;
+
+ # List the other maintainers for the language. Do not set
+ # lang and status for them.
+ #
+ while (@list) {
+ my $next = shift @list;
+ $next =~ m{^\s*(.+?)\s*:\s*(.+?)\s*$};
+
+ my $name = $1;
+ my $email = $2;
+ my $item = $latexTableRow;
+
+ $item =~ s{\$lang}{};
+ $item =~ s{\$maintainer}{$name};
+ $item =~ s{\$email}{$email};
+ $item =~ s{\$status}{};
+
+ $tableLATEX .= $item;
+ }
+ ##}}}
+ }
+ ##}}}
+
+ # Finish the tables, and substitute the mark in the doc
+ # template by the contatenation of the tables. Add NOSPAM to
+ # email addresses in the HTML table. Replace the special
+ # character sequences. #{{{
+ #
+ $tableHTML .= $htmlTableFoot;
+ $tableLATEX .= $latexTableFoot;
+
+ $tableHTML =~ s{@}{\@NOSPAM.}sg;
+ $tableHTML =~ s{&rcaron;}{&#x0159;}sg;
+
+ $tableLATEX =~ s/&rcaron;/\\v{r}/sg;
+ $tableLATEX =~ s/&aacute;/\\'{a}/sg;
+ $tableLATEX =~ s/&auml;/\\"{a}/sg;
+ $tableLATEX =~ s/&ouml;/\\"{o}/sg;
+ $tableLATEX =~ s/_/\\_/sg;
+
+ $output =~ s{\$information_table}{$tableHTML$tableLATEX};
+ ##}}}
+
+ # Replace the introduction notice in the output. #{{{
+ #
+ $output =~ s{<notice>.+?</notice>}
+{Warning: this file was generated from the language.tpl template
+ * Do not edit this file. Edit the template!}sx;
+ ##}}}
+
+ # Return the content of the generated output file.
+ #
+ return $output;
+}
+##}}}
+
+
+################################################################
+# Body
+#
+{
+ # The translator base class must be present. Exit otherwise. #{{{
+ #
+ if (!-f "$srcdir/translator.h")
+ {
+ print STDERR "\n\nThe translator.h not found in $srcdir.\n\n\a";
+ exit 1;
+ }
+ ##}}}
+
+ # Find all translator_xx.h files. #{{{
+ #
+ my @entries = (); # init
+
+ opendir DIR, $srcdir or confess "opendir error for $srcdir: $!";
+ foreach (readdir(DIR)) { if (!/^\./) { push @entries, $_; } }
+ closedir DIR; # ignore names with dot at the beginning
+
+ my @files = sort
+ grep { -f "$srcdir/$_" && m{^translator_..\.h$}i }
+ @entries;
+ ##}}}
+
+ # Get only the pure virtual methods from the Translator class
+ # into a hash structure for later testing present/not present.
+ #
+ my %required = GetPureVirtualFrom("$srcdir/translator.h");
+
+ # Collect base classes of translators the hash.
+ #
+ my %cb = ();
+
+ # The details for translators will be collected into the output
+ # string.
+ #
+ my $output = '';
+
+ # Loop through all translator files. Extract the implemented
+ # virtual methods and compare it with the requirements. Prepare
+ # the output.
+ #
+ foreach (@files) {
+
+ # Get the information from the sources. Remember the base
+ # class for each of the classes. #{{{
+ #
+ my @info = GetInfoFrom("$srcdir/$_");
+
+ my $class = shift @info;
+ my $base = shift @info;
+
+ $cb{$class} = $base;
+ ##}}}
+
+ # Set the value of the required methods to 1 (true). Let
+ # this indicate that the method was not defined in the
+ # translator class.
+ #
+ foreach (keys %required) { $required{$_} = 1; }
+
+ # Loop through all items and compare the prototypes. Mark
+ # the implemented method and collect the old ones. #{{{
+ #
+ my @old_methods = ();
+
+ foreach my $method (@info) {
+ if (defined $required{$method}) { $required{$method} = 0; }
+ else {push(@old_methods, $method); }
+ }
+ ##}}}
+
+ # Loop through the required hash and collect the missing
+ # (new) methods. Do this only when it derives from
+ # Translator or TranslatorAdapter classes. #{{{
+ #
+ my @missing_methods = ();
+
+ if ($base =~ m/^Translator(Adapter.*)?$/) {
+ foreach (keys %required) {
+ if ($required{$_}) { push(@missing_methods, $_); }
+ }
+ }
+ ##}}}
+
+ # The detailed output will be produced only when it is
+ # needed. #{{{
+ #
+ if (@old_methods || @missing_methods
+ || $base !~ m/^Translator(Adapter.*)?$/) {
+
+ $output .= "\n\n\n";
+ $output .= $class . " ($base)\n" . '-' x length($class) . "\n";
+
+ if ($base !~ m/^Translator(Adapter.*)?$/) {
+ $output .= "\nThis is the unusual implementation of the "
+ . "translator. Its class is derived\n"
+ . "from the $base base class. The usual translator"
+ . "class derives\n"
+ . "or from the Translator class or from some "
+ . "TranslatorAdapter_x_x_x classes.\n"
+ . "Because of that, nothing can be guessed about "
+ . "missing methods.\n";
+ }
+
+ if (@missing_methods) {
+ $output .= "\nMissing methods (should be implemented):\n\n";
+ foreach (@missing_methods) { $output .= " $_\n"; }
+ }
+
+ if (@old_methods) {
+ $output .= "\nObsolete methods (should be removed):\n\n";
+ foreach (sort @old_methods) { $output .= " $_\n"; }
+ }
+ }
+ ##}}}
+ }
+
+
+ # Generate the textual output file.
+ #
+ my $fout = "$docdir/$ftxt";
+
+ # Open it first.
+ #
+ open(FOUT, "> $fout") or die "\nError when open > $fout: $!";
+
+ # List the supported languages. #{{{
+ #
+ my @all_translators = keys %cb;
+
+ print FOUT "Doxygen supports the following (" . @all_translators
+ . ") languages (sorted alphabetically):\n\n";
+
+ foreach (sort grep { s/^Translator(\w+)\b.*$/$1/ } @all_translators) {
+ print FOUT " $_\n";
+ }
+ ##}}}
+
+ # If there are up-to-date translators, list them. #{{{
+ #
+ my @list = sort grep { $cb{$_} =~ m/^Translator$/ } keys %cb;
+
+ if (@list) {
+ print FOUT "\n" .'-' x 70 . "\n";
+ print FOUT "The following translator classes are up-to-date "
+ . "(sorted alphabetically).\n"
+ . "This means that they derive from the Translator class. "
+ . "However, there still\n"
+ . "may be some details listed below "
+ . "for them. Please, check it.\n\n";
+
+ foreach (@list) { print FOUT " $_\n"; }
+ }
+ ##}}}
+
+ # If there are obsolete translators, list them. #{{{
+ #
+ @list = sort grep { $cb{$_} =~ m/^TranslatorAdapter/ } keys %cb;
+
+ if (@list) {
+ print FOUT "\n" .'-' x 70 . "\n";
+ print FOUT "The following translator classes are obsolete "
+ . "(sorted alphabetically).\n"
+ . "This means that they derive from some of "
+ . "the adapter classes.\n\n";
+
+ foreach (@list) { print FOUT " $_\t($cb{$_})\n"; }
+ }
+ ##}}}
+
+ # If there are other translators, list them. #{{{
+ #
+ @list = sort
+ grep { $cb{$_} !~ m/^Translator$/ }
+ grep { $cb{$_} !~ m/^TranslatorAdapter/ }
+ keys %cb;
+
+ if (@list) {
+ print FOUT "\n" .'-' x 70 . "\n";
+ print FOUT "The following translator classes are somehow different\n"
+ . "(sorted alphabetically). This means that they "
+ . "do not derive from\n"
+ . "the Translator class, nor from some of the adapter classes.\n\n";
+
+ foreach (@list) { print FOUT " $_\t($cb{$_})\n"; }
+ }
+ ##}}}
+
+ # List the methods that are expected to be implemented. #{{{
+ print FOUT "\n\n" .'-' x 70 . "\n";
+ print FOUT "Localized translators are expected to implement "
+ . "the following methods\n"
+ . "(prototypes sorted aplhabetically):\n\n";
+
+ foreach (sort keys(%required)) {
+ print FOUT "$_\n";
+ }
+ ##}}}
+
+ # If there are some details for the translators, show them. #{{{
+ #
+ if ($output !~ m/^\s*$/) {
+ print FOUT "\n\n" .'-' x 70 . "\n";
+ print FOUT "Details related to specific translator classes follows.\n"
+ . "Notice that the prototypes are recognized only when they\n"
+ . "are the same as in the Translator class.";
+
+ print FOUT $output . "\n";
+ }
+ ##}}}
+
+ # Close the output file
+ #
+ close FOUT;
+
+ # Generate the language.doc file.
+ #
+ $fout = "$docdir/$fdoc";
+
+ # Open it first for the output.
+ #
+ open(FOUT, "> $fout") or die "\nError when open > $fout: $!";
+
+ print FOUT GenerateLanguageDoc(\%cb);
+
+ # Close the output file
+ #
+ close FOUT;
+
+
+ exit 0;
+}
+# end of body
+################################################################
+