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497 lines
16 KiB
Perl
Executable File
497 lines
16 KiB
Perl
Executable File
#!/usr/bin/perl
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# -*- Mode: Perl; tab-width: 2; indent-tabs-mode: nil; -*-
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is Mozilla MathML Project.
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#
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# The Initial Developer of the Original Code is
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# Frederic Wang <fred.wang@free.fr>.
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# Portions created by the Initial Developer are Copyright (C) 2010
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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use XML::XSLT;
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use XML::DOM;
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# output files
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$FILE_DIFFERENCES = "differences.txt";
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$FILE_NEW_DICTIONARY = "new_dictionary.txt";
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$FILE_SYNTAX_ERRORS = "syntax_errors.txt";
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$FILE_JS = "tests/stretchy-and-large-operators.js";
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# our dictionary (property file)
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$MOZ_DICTIONARY = "mathfont.properties";
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# dictionary provided in "XML Entity Definitions for Characters"
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# The file unicode.xml is very large (> 5Mb), so it is expected that you
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# provide instead the XML file transformed by operatorDictionary.xsl.
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# > xsltproc -o dictionary.xml operatorDictionary.xsl unicode.xml
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$WG_DICTIONARY = "dictionary.xml";
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if (!($#ARGV >= 0 &&
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((($ARGV[0] eq "compare") && $#ARGV <= 1) ||
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(($ARGV[0] eq "check") && $#ARGV <= 0) ||
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(($ARGV[0] eq "make-js") && $#ARGV <= 0)))) {
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&usage;
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}
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if ($ARGV[0] eq "compare" && $#ARGV == 1) {
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$WG_DICTIONARY = $ARGV[1];
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}
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################################################################################
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# structure of the dictionary used by this script:
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# - key: same as in mathfont.properties
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# - table:
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# index | value
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# 0 | description
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# 1 | lspace
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# 2 | rspace
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# 3 | minsize
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# 4 | largeop
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# 5 | movablelimits
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# 6 | stretchy
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# 7 | separator
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# 8 | accent
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# 9 | fence
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# 10 | symmetric
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# 11 | priority
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# 12 | linebreakstyle
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# 13 | direction
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# 14 | integral
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# 15 | mirrorable
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# 1) build %moz_hash from $MOZ_DICTIONARY
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print "loading $MOZ_DICTIONARY...\n";
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open($file, $MOZ_DICTIONARY) || die ("Couldn't open $MOZ_DICTIONARY!");
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print "building dictionary...\n";
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while (<$file>) {
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next unless (m/^operator\.(.*)$/);
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(m/^([\w|\.|\\]*)\s=\s(.*)\s#\s(.*)$/);
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# 1.1) build the key
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$key = $1;
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# 1.2) build the array
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$_ = $2;
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@value = ();
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$value[0] = $3;
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if (m/^(.*)lspace:(\d)(.*)$/) { $value[1] = $2; } else { $value[1] = "5"; }
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if (m/^(.*)rspace:(\d)(.*)$/) { $value[2] = $2; } else { $value[2] = "5"; }
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if (m/^(.*)minsize:(\d)(.*)$/) { $value[3] = $2; } else { $value[3] = "1"; }
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$value[4] = (m/^(.*)largeop(.*)$/);
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$value[5] = (m/^(.*)movablelimits(.*)$/);
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$value[6] = (m/^(.*)stretchy(.*)$/);
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$value[7] = (m/^(.*)separator(.*)$/);
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$value[8] = (m/^(.*)accent(.*)$/);
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$value[9] = (m/^(.*)fence(.*)$/);
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$value[10] = (m/^(.*)symmetric(.*)$/);
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$value[11] = ""; # we don't store "priority" in our dictionary
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$value[12] = ""; # we don't store "linebreakstyle" in our dictionary
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if (m/^(.*)direction:([a-z]*)(.*)$/) { $value[13] = $2; }
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else { $value[13] = ""; }
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$value[14] = (m/^(.*)integral(.*)$/);
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$value[15] = (m/^(.*)mirrorable(.*)$/);
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# 1.3) save the key and value
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$moz_hash{$key} = [ @value ];
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}
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close($file);
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################################################################################
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# 2) If mode "make-js", generate tests/stretchy-and-large-operators.js and quit.
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# If mode "check", verify validity of our operator dictionary and quit.
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# If mode "compare", go to step 3)
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if ($ARGV[0] eq "make-js") {
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print "generating file $FILE_JS...\n";
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open($file_js, ">$FILE_JS") ||
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die ("Couldn't open $FILE_JS!");
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print $file_js "// This file is automatically generated. Do not edit.\n";
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print $file_js "var stretchy_and_large_operators = [";
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@moz_keys = (keys %moz_hash);
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while ($key = pop(@moz_keys)) {
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@moz = @{ $moz_hash{$key} };
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$_ = $key;
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(m/^operator\.([\w|\.|\\]*)\.(prefix|infix|postfix)$/);
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$opname = "\\$1.$2: ";
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if (@moz[4]) {
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print $file_js "['$opname', '$1','l','$2'],";
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}
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if (@moz[6]) {
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$_ = substr(@moz[13], 0, 1);
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print $file_js "['$opname', '$1','$_','$2'],";
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}
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}
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print $file_js "];\n";
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close($file_js);
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exit 0;
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}
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if ($ARGV[0] eq "check") {
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print "checking operator dictionary...\n";
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open($file_syntax_errors, ">$FILE_SYNTAX_ERRORS") ||
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die ("Couldn't open $FILE_SYNTAX_ERRORS!");
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$nb_errors = 0;
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$nb_warnings = 0;
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@moz_keys = (keys %moz_hash);
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# check the validity of our private data
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while ($key = pop(@moz_keys)) {
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@moz = @{ $moz_hash{$key} };
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$entry = &generateEntry($key, @moz);
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$valid = 1;
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if (!(@moz[13] eq "" ||
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@moz[13] eq "horizontal" ||
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@moz[13] eq "vertical")) {
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$valid = 0;
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$nb_errors++;
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print $file_syntax_errors "error: invalid direction \"$moz[13]\"\n";
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}
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if (!@moz[4] && @moz[14]) {
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$valid = 0;
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$nb_warnings++;
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print $file_syntax_errors "warning: operator is integral but not largeop\n";
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}
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$_ = @moz[0];
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if ((m/^(.*)[iI]ntegral(.*)$/) && !@moz[14]) {
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$valid = 0;
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$nb_warnings++;
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print $file_syntax_errors "warning: operator contains the term \"integral\" in its comment, but is not integral\n";
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}
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if (!$valid) {
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print $file_syntax_errors $entry;
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print $file_syntax_errors "\n";
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}
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}
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# check that all forms have the same direction.
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@moz_keys = (keys %moz_hash);
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while ($key = pop(@moz_keys)) {
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if (@{ $moz_hash{$key} }) {
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# the operator has not been removed from the hash table yet.
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$_ = $key;
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(m/^([\w|\.|\\]*)\.(prefix|infix|postfix)$/);
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$key_prefix = "$1.prefix";
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$key_infix = "$1.infix";
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$key_postfix = "$1.postfix";
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@moz_prefix = @{ $moz_hash{$key_prefix} };
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@moz_infix = @{ $moz_hash{$key_infix} };
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@moz_postfix = @{ $moz_hash{$key_postfix} };
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$same_direction = 1;
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if (@moz_prefix) {
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if (@moz_infix &&
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!($moz_infix[13] eq $moz_prefix[13])) {
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$same_direction = 0;
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}
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if (@moz_postfix &&
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!($moz_postfix[13] eq $moz_prefix[13])) {
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$same_direction = 0;
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}
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}
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if (@moz_infix) {
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if (@moz_postfix &&
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!($moz_postfix[13] eq $moz_infix[13])) {
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$same_direction = 0;
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}
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}
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if (!$same_direction) {
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$nb_errors++;
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print $file_syntax_errors
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"error: operator has a stretchy form, but all forms";
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print $file_syntax_errors
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" have not the same direction\n";
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if (@moz_prefix) {
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$_ = &generateEntry($key_prefix, @moz_prefix);
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print $file_syntax_errors $_;
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}
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if (@moz_infix) {
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$_ = &generateEntry($key_infix, @moz_infix);
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print $file_syntax_errors $_;
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}
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if (@moz_postfix) {
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$_ = &generateEntry($key_postfix, @moz_postfix);
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print $file_syntax_errors $_;
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}
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print $file_syntax_errors "\n";
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}
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if (@moz_prefix) {
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delete $moz_hash{$key.prefix};
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}
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if (@moz_infix) {
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delete $moz_hash{$key_infix};
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}
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if (@moz_postfix) {
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delete $moz_hash{$key_postfix};
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}
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}
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}
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close($file_syntax_errors);
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print "\n";
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if ($nb_errors > 0 || $nb_warnings > 0) {
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print "$nb_errors error(s) found\n";
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print "$nb_warnings warning(s) found\n";
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print "See output file $FILE_SYNTAX_ERRORS.\n\n";
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} else {
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print "No error found.\n\n";
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}
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exit 0;
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}
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################################################################################
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# 3) build %wg_hash and @wg_keys from the page $WG_DICTIONARY
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print "loading $WG_DICTIONARY...\n";
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$parser = new XML::DOM::Parser;
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$doc = $parser->parsefile($WG_DICTIONARY)->getDocumentElement;
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print "building dictionary...\n";
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@wg_keys = ();
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$entries = $doc->getElementsByTagName("entry");
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$n = $entries->getLength;
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for ($i = 0; $i < $n; $i++) {
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$entry = $entries->item($i);
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# 3.1) build the key
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$key = "operator.";
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$_ = $entry->getAttribute("unicode");
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$_ = "$_-";
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while (m/^U?0(\w*)-(.*)$/) {
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# Concatenate .\uNNNN
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$key = "$key\\u$1";
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$_ = $2;
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}
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$_ = $entry->getAttribute("form"); # "Form"
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$key = "$key.$_";
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# 3.2) build the array
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@value = ();
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$value[0] = lc($entry->getAttribute("description"));
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$value[1] = $entry->getAttribute("lspace");
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if ($value[1] eq "") { $value[1] = "5"; }
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$value[2] = $entry->getAttribute("rspace");
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if ($value[2] eq "") { $value[2] = "5"; }
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$value[3] = $entry->getAttribute("minsize");
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if ($value[3] eq "") { $value[3] = "1"; }
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$_ = $entry->getAttribute("properties");
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$value[4] = (m/^(.*)largeop(.*)$/);
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$value[5] = (m/^(.*)movablelimits(.*)$/);
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$value[6] = (m/^(.*)stretchy(.*)$/);
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$value[7] = (m/^(.*)separator(.*)$/);
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$value[8] = (m/^(.*)accent(.*)$/);
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$value[9] = (m/^(.*)fence(.*)$/);
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$value[10] = (m/^(.*)symmetric(.*)$/);
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$value[11] = $entry->getAttribute("priority");
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$value[12] = $entry->getAttribute("linebreakstyle");
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# not stored in the WG dictionary
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$value[13] = ""; # direction
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$value[14] = ""; # integral
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$value[15] = ""; # mirrorable
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# 3.3) save the key and value
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push(@wg_keys, $key);
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$wg_hash{$key} = [ @value ];
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}
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$doc->dispose;
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@wg_keys = reverse(@wg_keys);
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################################################################################
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# 4) Compare the two dictionaries and output the result
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print "comparing dictionaries...\n";
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open($file_differences, ">$FILE_DIFFERENCES") ||
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die ("Couldn't open $FILE_DIFFERENCES!");
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open($file_new_dictionary, ">$FILE_NEW_DICTIONARY") ||
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die ("Couldn't open $FILE_NEW_DICTIONARY!");
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$conflicting = 0; $conflicting_stretching = 0;
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$new = 0; $new_stretching = 0;
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$obsolete = 0; $obsolete_stretching = 0;
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$unchanged = 0;
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# 4.1) look to the entries of the WG dictionary
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while ($key = pop(@wg_keys)) {
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@wg = @{ $wg_hash{$key} };
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delete $wg_hash{$key};
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$wg_value = &generateCommon(@wg);
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if (exists($moz_hash{$key})) {
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# entry is in both dictionary
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@moz = @{ $moz_hash{$key} };
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delete $moz_hash{$key};
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$moz_value = &generateCommon(@moz);
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if ($moz_value ne $wg_value) {
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# conflicting entry
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print $file_differences "[conflict]";
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$conflicting++;
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if ($moz[6] != $wg[6]) {
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print $file_differences "[stretching]";
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$conflicting_stretching++;
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}
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print $file_differences " - $key ($wg[0])\n";
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print $file_differences "-$moz_value\n+$wg_value\n\n";
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$_ = &completeCommon($wg_value, $key, @moz, @wg);
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print $file_new_dictionary $_;
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} else {
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# unchanged entry
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$unchanged++;
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$_ = &completeCommon($wg_value, $key, @moz, @wg);
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print $file_new_dictionary $_;
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}
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} else {
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# we don't have this entry in our dictionary yet
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print $file_differences "[new entry]";
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$new++;
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if ($wg[6]) {
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print $file_differences "[stretching]";
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$new_stretching++;
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}
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print $file_differences " - $key ($wg[0])\n";
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print $file_differences "-\n+$wg_value\n\n";
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$_ = &completeCommon($wg_value, $key, (), @wg);
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print $file_new_dictionary $_;
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}
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}
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print $file_new_dictionary
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"\n# Entries below are not part of the official MathML dictionary\n\n";
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# 4.2) look in our dictionary the remaining entries
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@moz_keys = (keys %moz_hash);
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@moz_keys = reverse(sort(@moz_keys));
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while ($key = pop(@moz_keys)) {
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@moz = @{ $moz_hash{$key} };
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$moz_value = &generateCommon(@moz);
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print $file_differences "[obsolete entry]";
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$obsolete++;
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if ($moz[6]) {
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print $file_differences "[stretching]";
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$obsolete_stretching++;
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}
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print $file_differences " - $key ($moz[0])\n";
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print $file_differences "-$moz_value\n+\n\n";
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$_ = &completeCommon($moz_value, $key, (), @moz);
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print $file_new_dictionary $_;
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}
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close($file_differences);
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close($file_new_dictionary);
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print "\n";
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print "- $obsolete obsolete entries ";
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print "($obsolete_stretching of them are related to stretching)\n";
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print "- $unchanged unchanged entries\n";
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print "- $conflicting conflicting entries ";
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print "($conflicting_stretching of them are related to stretching)\n";
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print "- $new new entries ";
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print "($new_stretching of them are related to stretching)\n";
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print "\nSee output files $FILE_DIFFERENCES and $FILE_NEW_DICTIONARY.\n\n";
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print "After having modified the dictionary, please run";
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print "./updateOperatorDictionary check\n\n";
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exit 0;
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################################################################################
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sub usage {
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# display the accepted command syntax and quit
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print "usage:\n";
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print " ./updateOperatorDictionary.pl compare [dictionary]\n";
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print " ./updateOperatorDictionary.pl check\n";
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print " ./updateOperatorDictionary.pl make-js\n";
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exit 0;
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}
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sub generateCommon {
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# helper function to generate the string of data shared by both dictionaries
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my(@v) = @_;
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$entry = "lspace:$v[1] rspace:$v[2]";
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if ($v[3] ne "1") { $entry = "$entry minsize:$v[3]"; }
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if ($v[4]) { $entry = "$entry largeop"; }
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if ($v[5]) { $entry = "$entry movablelimits"; }
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if ($v[6]) { $entry = "$entry stretchy"; }
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if ($v[7]) { $entry = "$entry separator"; }
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if ($v[8]) { $entry = "$entry accent"; }
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if ($v[9]) { $entry = "$entry fence"; }
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if ($v[10]) { $entry = "$entry symmetric"; }
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return $entry;
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}
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sub completeCommon {
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# helper to add key and private data to generateCommon
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my($entry, $key, @v_moz, @v_wg) = @_;
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$entry = "$key = $entry";
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if ($v_moz[13]) { $entry = "$entry direction:$v_moz[13]"; }
|
|
if ($v_moz[14]) { $entry = "$entry integral"; }
|
|
if ($v_moz[15]) { $entry = "$entry mirrorable"; }
|
|
|
|
if ($v_moz[0]) {
|
|
# keep our previous comment
|
|
$entry = "$entry # $v_moz[0]";
|
|
} else {
|
|
# otherwise use the description given by the WG
|
|
$entry = "$entry # $v_wg[0]";
|
|
}
|
|
|
|
$entry = "$entry\n";
|
|
return $entry;
|
|
}
|
|
|
|
sub generateEntry {
|
|
# helper function to generate an entry of our operator dictionary
|
|
my($key, @moz) = @_;
|
|
$entry = &generateCommon(@moz);
|
|
$entry = &completeCommon($entry, $key, @moz, @moz);
|
|
return $entry;
|
|
}
|