| 1 | ###########################################################################
|
|---|
| 2 | #
|
|---|
| 3 | # BibTexPlugin.pm - a plugin for bibliography records in BibTex format
|
|---|
| 4 | #
|
|---|
| 5 | # A component of the Greenstone digital library software
|
|---|
| 6 | # from the New Zealand Digital Library Project at the
|
|---|
| 7 | # University of Waikato, New Zealand.
|
|---|
| 8 | #
|
|---|
| 9 | # Copyright 2000 Gordon W. Paynter
|
|---|
| 10 | # Copyright 1999-2001 New Zealand Digital Library Project
|
|---|
| 11 | #
|
|---|
| 12 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 13 | # it under the terms of the GNU General Public License as published by
|
|---|
| 14 | # the Free Software Foundation; either version 2 of the License, or
|
|---|
| 15 | # (at your option) any later version.
|
|---|
| 16 | #
|
|---|
| 17 | # This program is distributed in the hope that it will be useful,
|
|---|
| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 20 | # GNU General Public License for more details.
|
|---|
| 21 | #
|
|---|
| 22 | # You should have received a copy of the GNU General Public License
|
|---|
| 23 | # along with this program; if not, write to the Free Software
|
|---|
| 24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 25 | #
|
|---|
| 26 | ###########################################################################
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 | # BibTexPlugin reads bibliography files in BibTex format.
|
|---|
| 30 | #
|
|---|
| 31 | # by Gordon W. Paynter ([email protected]), November 2000
|
|---|
| 32 | # Based on ReferPlug. See ReferPlug for geneology.
|
|---|
| 33 | #
|
|---|
| 34 | # BibTexPlugin creates a document object for every reference a the file.
|
|---|
| 35 | # It is a subclass of SplitTextFile, so if there are multiple records, all
|
|---|
| 36 | # are read.
|
|---|
| 37 | #
|
|---|
| 38 | # Modified Dec 2001 by John McPherson:
|
|---|
| 39 | # * some modifications submitted by Sergey Yevtushenko
|
|---|
| 40 | # <[email protected]>
|
|---|
| 41 | # * some non-ascii char support (ie mostly Latin)
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | package BibTexPlugin;
|
|---|
| 45 |
|
|---|
| 46 | use SplitTextFile;
|
|---|
| 47 | use MetadataRead;
|
|---|
| 48 | use strict;
|
|---|
| 49 | no strict 'refs'; # allow filehandles to be variables and viceversa
|
|---|
| 50 |
|
|---|
| 51 | # BibTexPlugin is a sub-class of SplitTextFile.
|
|---|
| 52 | sub BEGIN {
|
|---|
| 53 | @BibTexPlugin::ISA = ('MetadataRead', 'SplitTextFile');
|
|---|
| 54 | }
|
|---|
| 55 |
|
|---|
| 56 | my $arguments =
|
|---|
| 57 | [ { 'name' => "process_exp",
|
|---|
| 58 | 'desc' => "{BaseImporter.process_exp}",
|
|---|
| 59 | 'type' => "regexp",
|
|---|
| 60 | 'reqd' => "no",
|
|---|
| 61 | 'deft' => &get_default_process_exp() },
|
|---|
| 62 | { 'name' => "split_exp",
|
|---|
| 63 | 'desc' => "{SplitTextFile.split_exp}",
|
|---|
| 64 | 'type' => "regexp",
|
|---|
| 65 | 'deft' => &get_default_split_exp(),
|
|---|
| 66 | 'reqd' => "no" }
|
|---|
| 67 | ];
|
|---|
| 68 |
|
|---|
| 69 | my $options = { 'name' => "BibTexPlugin",
|
|---|
| 70 | 'desc' => "{BibTexPlugin.desc}",
|
|---|
| 71 | 'abstract' => "no",
|
|---|
| 72 | 'inherits' => "yes",
|
|---|
| 73 | 'explodes' => "yes",
|
|---|
| 74 | 'args' => $arguments };
|
|---|
| 75 |
|
|---|
| 76 | # This plugin processes files with the suffix ".bib"
|
|---|
| 77 | sub get_default_process_exp {
|
|---|
| 78 | return q^(?i)\.bib$^;
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | # This plugin splits the input text at blank lines
|
|---|
| 82 | sub get_default_split_exp {
|
|---|
| 83 | return q^\n+(?=@)^;
|
|---|
| 84 | }
|
|---|
| 85 |
|
|---|
| 86 | sub new {
|
|---|
| 87 | my ($class) = shift (@_);
|
|---|
| 88 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
|
|---|
| 89 | push(@$pluginlist, $class);
|
|---|
| 90 |
|
|---|
| 91 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
|
|---|
| 92 | push(@{$hashArgOptLists->{"OptList"}},$options);
|
|---|
| 93 |
|
|---|
| 94 | my $self = new SplitTextFile($pluginlist, $inputargs, $hashArgOptLists);
|
|---|
| 95 |
|
|---|
| 96 | return bless $self, $class;
|
|---|
| 97 | }
|
|---|
| 98 |
|
|---|
| 99 |
|
|---|
| 100 |
|
|---|
| 101 | # The process function reads a single bibliographic record and stores
|
|---|
| 102 | # it as a new document.
|
|---|
| 103 |
|
|---|
| 104 | sub process {
|
|---|
| 105 | my $self = shift (@_);
|
|---|
| 106 | my ($textref, $pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
|
|---|
| 107 | my $outhandle = $self->{'outhandle'};
|
|---|
| 108 |
|
|---|
| 109 | my $cursection = $doc_obj->get_top_section();
|
|---|
| 110 | $self->{'key'} = "default";
|
|---|
| 111 |
|
|---|
| 112 | # Check that we're dealing with a valid BibTex record
|
|---|
| 113 | return undef unless ($$textref =~ /^@\w+\{.*\}/s);
|
|---|
| 114 |
|
|---|
| 115 | # Ignore things we can't use
|
|---|
| 116 | return 0 if ($$textref =~ /^\@String/);
|
|---|
| 117 |
|
|---|
| 118 | # This hash translates BibTex field names into metadata names. The
|
|---|
| 119 | # BibTex names are taken from the "Local Guide to Latex" Graeme
|
|---|
| 120 | # McKinstry. Metadata names are consistent with ReferPlug.
|
|---|
| 121 |
|
|---|
| 122 | # The author metadata will be stored as one "Creator" entry, but will
|
|---|
| 123 | # also be split up into several individual "Author" fields.
|
|---|
| 124 |
|
|---|
| 125 | my %field = (
|
|---|
| 126 | 'address', 'PublisherAddress',
|
|---|
| 127 | 'author', 'Creator',
|
|---|
| 128 |
|
|---|
| 129 | 'booktitle', 'Booktitle',
|
|---|
| 130 | 'chapter', 'Chapter',
|
|---|
| 131 | 'edition', 'Edition',
|
|---|
| 132 | 'editor', 'Editor',
|
|---|
| 133 | 'institution', 'Publisher',
|
|---|
| 134 | 'journal', 'Journal',
|
|---|
| 135 | 'month', 'Month',
|
|---|
| 136 | 'number', 'Number',
|
|---|
| 137 | 'pages', 'Pages',
|
|---|
| 138 | 'publisher', 'Publisher',
|
|---|
| 139 | 'school', 'Publisher',
|
|---|
| 140 | 'title', 'Title',
|
|---|
| 141 | 'volume', 'Volume',
|
|---|
| 142 | 'year', 'Year', # Can't use "Date" as this implies DDDDMMYY!
|
|---|
| 143 |
|
|---|
| 144 | 'keywords', 'Keywords',
|
|---|
| 145 | 'abstract', 'Abstract',
|
|---|
| 146 | 'copyright', 'Copyright',
|
|---|
| 147 | 'note', 'Note',
|
|---|
| 148 | 'url', 'URL',
|
|---|
| 149 | );
|
|---|
| 150 |
|
|---|
| 151 | # Metadata fields
|
|---|
| 152 | my %metadata;
|
|---|
| 153 | my ($EntryType, $Creator, $Keywords, $text);
|
|---|
| 154 |
|
|---|
| 155 | my $verbosity = $self->{'verbosity'};
|
|---|
| 156 | $verbosity = 0 unless $verbosity;
|
|---|
| 157 |
|
|---|
| 158 | # Make sure the text has exactly one entry per line -
|
|---|
| 159 | # append line to previous if it doesn't start with " <key> = "
|
|---|
| 160 |
|
|---|
| 161 | my @input_lines=split(/\r?\n/, $$textref);
|
|---|
| 162 | my @all_lines;
|
|---|
| 163 | my $entry_line=shift @input_lines;
|
|---|
| 164 | foreach my $input_line (@input_lines) {
|
|---|
| 165 | if ($input_line =~ m/^\s*\w+\s*=\s*/) {
|
|---|
| 166 | # this is a new key
|
|---|
| 167 | push(@all_lines, $entry_line);
|
|---|
| 168 | $entry_line=$input_line;
|
|---|
| 169 | } else {
|
|---|
| 170 | # this is a continuation of previous line
|
|---|
| 171 | $entry_line .= " " . $input_line;
|
|---|
| 172 | }
|
|---|
| 173 |
|
|---|
| 174 | }
|
|---|
| 175 | # add final line, removing trailing '}'
|
|---|
| 176 | $entry_line =~ s/\}\s*$//;
|
|---|
| 177 | push(@all_lines, $entry_line);
|
|---|
| 178 | push(@all_lines, "}");
|
|---|
| 179 |
|
|---|
| 180 | # Read and process each line in the bib file.
|
|---|
| 181 | my ($entryname, $name, $value, $line);
|
|---|
| 182 | foreach $line (@all_lines) {
|
|---|
| 183 |
|
|---|
| 184 | # Add each line. Most lines consist of a field identifer and
|
|---|
| 185 | # then data, and we simply store them, though we treat some
|
|---|
| 186 | # of the fields a bit differently.
|
|---|
| 187 |
|
|---|
| 188 | $line =~ s/\s+/ /g;
|
|---|
| 189 | $text .= "$line\n";
|
|---|
| 190 |
|
|---|
| 191 |
|
|---|
| 192 | print STDERR "Processing line = $line \n" if $verbosity>=4;
|
|---|
| 193 |
|
|---|
| 194 | # The first line is special, it contains the reference type and optional OID
|
|---|
| 195 | # oid (citekey) can contain alphanumeric, _, - and :
|
|---|
| 196 | if ($line =~ /\@(\w+)\W*\{\W*([\*\.\w:-]*)\W*$/) {
|
|---|
| 197 | $EntryType = $1; # eg @workingpaper
|
|---|
| 198 | my $EntryID = $2; # eg {Witen2020,
|
|---|
| 199 | print "** $EntryType - \"$EntryID\" \n" if ($verbosity >= 4);
|
|---|
| 200 | if (defined $EntryID && $EntryID =~ /\w+/) {
|
|---|
| 201 | $self->{'key'} = $EntryID;
|
|---|
| 202 | }
|
|---|
| 203 | next;
|
|---|
| 204 | }
|
|---|
| 205 | if ($line =~ /\@/) {
|
|---|
| 206 | print $outhandle "bibtexplug: suspect line in bibtex file: $line\n"
|
|---|
| 207 | if ($verbosity >= 2);
|
|---|
| 208 | print $outhandle "bibtexplug: if that's the start of a new bibtex record ammend regexp in bibtexplug::process()\n"
|
|---|
| 209 | if ($verbosity >= 2);
|
|---|
| 210 | }
|
|---|
| 211 |
|
|---|
| 212 | # otherwise, parse the metadata out of this line
|
|---|
| 213 | next unless ($line =~ /^\s*(\w+)\s*=\s*(.*)/);
|
|---|
| 214 | $entryname = lc($1);
|
|---|
| 215 | $value = $2;
|
|---|
| 216 | $value =~ s/,?\s*$//; # remove trailing comma and space
|
|---|
| 217 | if ($value =~ /^"/ && $value =~ /"$/) {
|
|---|
| 218 | # remove surrounding " marks
|
|---|
| 219 | $value =~ s/^"//; $value =~ s/"$//;
|
|---|
| 220 | } elsif ($value =~ /^\{/ && $value =~ /\}$/) {
|
|---|
| 221 | # remove surrounding {} marks
|
|---|
| 222 | $value =~ s/^\{//; $value =~ s/\}$//;
|
|---|
| 223 | }
|
|---|
| 224 | # special case for year - we only want a 4 digit year, not
|
|---|
| 225 | # "circa 2004" etc
|
|---|
| 226 | if ($entryname=~ /^year$/i) {
|
|---|
| 227 | if ($value=~ /(\d{4})/) {
|
|---|
| 228 | $value=$1;
|
|---|
| 229 | $metadata{$entryname} .= "$value";
|
|---|
| 230 | }
|
|---|
| 231 | }
|
|---|
| 232 | else {
|
|---|
| 233 |
|
|---|
| 234 | $value = &process_latex($value);
|
|---|
| 235 | # Add this line of metadata
|
|---|
| 236 | $metadata{$entryname} .= "$value";
|
|---|
| 237 | }
|
|---|
| 238 | }
|
|---|
| 239 |
|
|---|
| 240 | # Add the Entry type as metadata
|
|---|
| 241 | $doc_obj->add_utf8_metadata ($cursection, "EntryType", $EntryType);
|
|---|
| 242 |
|
|---|
| 243 | #Add the fileformat as metadata
|
|---|
| 244 | $doc_obj->add_metadata($cursection, "FileFormat", "BibTex");
|
|---|
| 245 |
|
|---|
| 246 |
|
|---|
| 247 | # Add the various field as metadata
|
|---|
| 248 | foreach my $entryname (keys %metadata) {
|
|---|
| 249 | next unless (defined $field{$entryname});
|
|---|
| 250 | next unless (defined $metadata{$entryname});
|
|---|
| 251 |
|
|---|
| 252 | $name = $field{$entryname};
|
|---|
| 253 | $value = $metadata{$entryname};
|
|---|
| 254 |
|
|---|
| 255 | if ($name =~ /^Month/) {
|
|---|
| 256 | $value=expand_month($value);
|
|---|
| 257 | }
|
|---|
| 258 |
|
|---|
| 259 | # Several special operatons on metadata follow
|
|---|
| 260 |
|
|---|
| 261 | # Add individual keywords.
|
|---|
| 262 | # The full set of keywords will be added, in due course, as "Keywords".
|
|---|
| 263 | # However, we also want to add them as individual "Keyword" metadata elements.
|
|---|
| 264 | if ($entryname eq "keywords") {
|
|---|
| 265 | my @keywordlist = split(/,/, $value);
|
|---|
| 266 | foreach my $k (@keywordlist) {
|
|---|
| 267 | $k = lc($k);
|
|---|
| 268 | $k =~ s/\s*$//;
|
|---|
| 269 | $k =~ s/^\s*//;
|
|---|
| 270 | if ($k =~ /\w/) {
|
|---|
| 271 | $doc_obj->add_utf8_metadata ($cursection, "Keyword", $k);
|
|---|
| 272 | }
|
|---|
| 273 | }
|
|---|
| 274 | }
|
|---|
| 275 |
|
|---|
| 276 | # Add individual authors
|
|---|
| 277 | # The author metadata will be stored as one "Creator" entry, but we
|
|---|
| 278 | # also want to split it into several individual "Author" fields in
|
|---|
| 279 | # "Lastname, Firstnames" format so we can browse it.
|
|---|
| 280 | if ($entryname eq "author") { #added also comparison with editor
|
|---|
| 281 |
|
|---|
| 282 | # take care of "et al."...
|
|---|
| 283 | my $etal='';
|
|---|
| 284 | if ($value =~ s/\s+(and\s+others|et\.?\s+al\.?)\s*$//i) {
|
|---|
| 285 | $etal=' <em>et. al.</em>';
|
|---|
| 286 | }
|
|---|
| 287 | # und here for german language...
|
|---|
| 288 | # don't use brackets in pattern, else the matched bit becomes
|
|---|
| 289 | # an element in the list!
|
|---|
| 290 | my @authorlist = split(/\s+and\s+|\s+und\s+/, $value);
|
|---|
| 291 | my @formattedlist = ();
|
|---|
| 292 | foreach $a (@authorlist) {
|
|---|
| 293 | $a =~ s/\s*$//;
|
|---|
| 294 | $a =~ s/^\s*//;
|
|---|
| 295 | # Reformat and add author name
|
|---|
| 296 | next if $a=~ /^\s*$/;
|
|---|
| 297 |
|
|---|
| 298 | # names are "First von Last", "von Last, First"
|
|---|
| 299 | # or "von Last, Jr, First". See the "BibTeXing" manual, page 16
|
|---|
| 300 | my $first="";
|
|---|
| 301 | my $vonlast="";
|
|---|
| 302 | my $jr="";
|
|---|
| 303 |
|
|---|
| 304 | if ($a =~ /,/) {
|
|---|
| 305 | my @parts=split(/,\s*/, $a);
|
|---|
| 306 | $first = pop @parts;
|
|---|
| 307 | if (scalar(@parts) == 2) {
|
|---|
| 308 | $jr = pop @parts;
|
|---|
| 309 | }
|
|---|
| 310 | $vonlast=shift @parts;
|
|---|
| 311 | if (scalar(@parts) > 0) {
|
|---|
| 312 | print $outhandle "BibTexPlugin: couldn't parse name $a\n";
|
|---|
| 313 | # but we continue anyway...
|
|---|
| 314 | }
|
|---|
| 315 | } else { # First von Last
|
|---|
| 316 | my @words = split(/ /, $a);
|
|---|
| 317 | while (scalar(@words) > 1 && $words[0] !~ /^[a-z]{2,}/) {
|
|---|
| 318 | $first .= " " . shift (@words);
|
|---|
| 319 | }
|
|---|
| 320 | $first =~ s/^\s//;
|
|---|
| 321 | $vonlast = join (' ', @words); # whatever's left...
|
|---|
| 322 | }
|
|---|
| 323 | my $von="";
|
|---|
| 324 | my $last="";
|
|---|
| 325 | if ($vonlast =~ m/^[a-z]/) { # lowercase implies "von"
|
|---|
| 326 | $vonlast =~ s/^(([a-z]\w+\s+)+)//;
|
|---|
| 327 | $von = $1;
|
|---|
| 328 | if (!defined ($von)) {
|
|---|
| 329 | # some non-English names do start with lowercase
|
|---|
| 330 | # eg "Marie desJardins". Also we can get typos...
|
|---|
| 331 | print $outhandle "BibTexPlugin: couldn't parse surname $vonlast\n";
|
|---|
| 332 | $von="";
|
|---|
| 333 | if ($vonlast =~ /^[a-z]+$/) {
|
|---|
| 334 | # if it's all lowercase, uppercase 1st.
|
|---|
| 335 | $vonlast =~ s/^(.)/\u$1/;
|
|---|
| 336 |
|
|---|
| 337 | }
|
|---|
| 338 | }
|
|---|
| 339 | $von =~ s/\s*$//;
|
|---|
| 340 | $last=$vonlast;
|
|---|
| 341 | } else {
|
|---|
| 342 | $last=$vonlast;
|
|---|
| 343 | }
|
|---|
| 344 | my $wholename="$first $von $last $jr";
|
|---|
| 345 | $wholename =~ s/\s+/ /g; # squeeze multiple spaces
|
|---|
| 346 | $wholename =~ s/ $//;
|
|---|
| 347 | push (@formattedlist, $wholename);
|
|---|
| 348 | my $fullname = "$last";
|
|---|
| 349 | $fullname .= " $jr" if ($jr);
|
|---|
| 350 | $fullname .= ", $first";
|
|---|
| 351 | $fullname .= " $von" if ($von);
|
|---|
| 352 |
|
|---|
| 353 | # Add each name to set of Authors
|
|---|
| 354 | $doc_obj->add_utf8_metadata ($cursection, "Author", $fullname);
|
|---|
| 355 | }
|
|---|
| 356 |
|
|---|
| 357 | # Only want at most one "and" in the Creator field
|
|---|
| 358 | if (scalar(@formattedlist) > 2) {
|
|---|
| 359 | my $lastauthor=pop @formattedlist;
|
|---|
| 360 | $value=join(', ', @formattedlist);
|
|---|
| 361 | $value.=" and $lastauthor";
|
|---|
| 362 | } else { # 1 or 2 authors...
|
|---|
| 363 | $value=join(" and ",@formattedlist);
|
|---|
| 364 | }
|
|---|
| 365 | $value.=$etal; # if there was "et al."
|
|---|
| 366 | }
|
|---|
| 367 |
|
|---|
| 368 | # Books and Journals are additionally marked for display purposes
|
|---|
| 369 | if ($entryname eq "booktitle") {
|
|---|
| 370 | $doc_obj->add_utf8_metadata($cursection, "BookConfOnly", 1);
|
|---|
| 371 | } elsif ($entryname eq "journal") {
|
|---|
| 372 | $doc_obj->add_utf8_metadata($cursection, "JournalsOnly", 1);
|
|---|
| 373 | }
|
|---|
| 374 |
|
|---|
| 375 | # Add the various fields as metadata
|
|---|
| 376 | $doc_obj->add_utf8_metadata ($cursection, $name, $value);
|
|---|
| 377 |
|
|---|
| 378 | }
|
|---|
| 379 |
|
|---|
| 380 | # for books and journals...
|
|---|
| 381 | if (!exists $metadata{'title'}) {
|
|---|
| 382 | my $name=$field{'title'}; # get Greenstone metadata name
|
|---|
| 383 | my $value;
|
|---|
| 384 | if (exists $metadata{'booktitle'}) {
|
|---|
| 385 | $value=$metadata{'booktitle'};
|
|---|
| 386 | } elsif (exists $metadata{'journal'}) {
|
|---|
| 387 | $value=$metadata{'journal'};
|
|---|
| 388 | }
|
|---|
| 389 | if ($value) {
|
|---|
| 390 | $doc_obj->add_utf8_metadata ($cursection, $name, $value);
|
|---|
| 391 | }
|
|---|
| 392 | }
|
|---|
| 393 |
|
|---|
| 394 | # Add Date (yyyymmdd) metadata
|
|---|
| 395 | if (defined ($metadata{'year'}) ) {
|
|---|
| 396 | my $date=$metadata{'year'};
|
|---|
| 397 | chomp $date;
|
|---|
| 398 | my $month=$metadata{'month'};
|
|---|
| 399 | if (defined($month)) {
|
|---|
| 400 | # month is currently 3 letter code or a range...
|
|---|
| 401 | $month = expand_month($month);
|
|---|
| 402 | # take the first month found... might not find one!
|
|---|
| 403 | $month =~ m/_textmonth(\d\d)_/;
|
|---|
| 404 | $month = $1;
|
|---|
| 405 | }
|
|---|
| 406 | if (!defined($month)) {
|
|---|
| 407 | $month="00";
|
|---|
| 408 | }
|
|---|
| 409 | $date .= "${month}00";
|
|---|
| 410 | $doc_obj->add_utf8_metadata($cursection, "Date", $date);
|
|---|
| 411 | }
|
|---|
| 412 |
|
|---|
| 413 | # # Add the text in BibTex format (all fields)
|
|---|
| 414 | if ($text =~ /\w/) {
|
|---|
| 415 |
|
|---|
| 416 | $text =~ s@&@&@g;
|
|---|
| 417 | $text =~ s@<@<@g;
|
|---|
| 418 | $text =~ s@>@>@g;
|
|---|
| 419 | $text =~ s@\n@<br/>\n@g;
|
|---|
| 420 | $text =~ s@\\@\\\\@g;
|
|---|
| 421 |
|
|---|
| 422 | $doc_obj->add_utf8_text ($cursection, $text);
|
|---|
| 423 | }
|
|---|
| 424 |
|
|---|
| 425 | return 1;
|
|---|
| 426 | }
|
|---|
| 427 |
|
|---|
| 428 |
|
|---|
| 429 |
|
|---|
| 430 |
|
|---|
| 431 | # convert email addresses and URLs into links
|
|---|
| 432 | sub convert_urls_into_links{
|
|---|
| 433 | my ($text) = @_;
|
|---|
| 434 |
|
|---|
| 435 | $text =~ s/([\w\d\.\-]+@[\w\d\.\-]+)/<a href=\"mailto:$1\">$1<\/a>/g;
|
|---|
| 436 | $text =~ s/(http:\/\/[\w\d\.\-]+[\/\w\d\.\-]*)/<a href=\"$1\">$1<\/a>/g;
|
|---|
| 437 |
|
|---|
| 438 | return $text;
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | # Clean up whitespace and convert \n charaters to <BR> or <P>
|
|---|
| 442 | sub clean_up_whitespaces{
|
|---|
| 443 | my ($text) = @_;
|
|---|
| 444 |
|
|---|
| 445 | $text =~ s/%%%%%/<BR> <BR>/g;
|
|---|
| 446 | $text =~ s/ +/ /g;
|
|---|
| 447 | $text =~ s/\s*$//;
|
|---|
| 448 | $text =~ s/^\s*//;
|
|---|
| 449 | $text =~ s/\n/\n<BR>/g;
|
|---|
| 450 | $text =~ s/<BR>\s*<BR>/<P>/g;
|
|---|
| 451 |
|
|---|
| 452 | return $text;
|
|---|
| 453 | }
|
|---|
| 454 |
|
|---|
| 455 |
|
|---|
| 456 | sub convert_problem_characters_without_ampersand{
|
|---|
| 457 | my ($text) = @_;
|
|---|
| 458 | $text =~ s/</</g;
|
|---|
| 459 | $text =~ s/>/>/g;
|
|---|
| 460 |
|
|---|
| 461 | $text =~ s/\'\'/\"/g; #Latex -specific conversion
|
|---|
| 462 | $text =~ s/\`\`/\"/g; #Latex -specific conversion
|
|---|
| 463 |
|
|---|
| 464 | $text =~ s/\"/"/g;
|
|---|
| 465 | $text =~ s/\'/’/g;
|
|---|
| 466 | $text =~ s/\`/‘/g;
|
|---|
| 467 |
|
|---|
| 468 | # $text =~ s/\+/ /g;
|
|---|
| 469 | # $text =~ s/\(/ /g;
|
|---|
| 470 | # $text =~ s/\)/ /g;
|
|---|
| 471 |
|
|---|
| 472 | $text =~ s/\\/\\\\/g;
|
|---|
| 473 |
|
|---|
| 474 | # $text =~ s/\./\\\./g;
|
|---|
| 475 |
|
|---|
| 476 | return $text;
|
|---|
| 477 | }
|
|---|
| 478 |
|
|---|
| 479 | # Convert a text string into HTML.
|
|---|
| 480 |
|
|---|
| 481 | # The HTML is going to be inserted into a GML file, so we have to be
|
|---|
| 482 | # careful not to use symbols like ">", which occurs frequently in email
|
|---|
| 483 | # messages (and use > instead.
|
|---|
| 484 |
|
|---|
| 485 | # This function also turns URLs and email addresses into links, and
|
|---|
| 486 | # replaces carriage returns with <BR> tags (and multiple carriage returns
|
|---|
| 487 | # with <P> tags).
|
|---|
| 488 |
|
|---|
| 489 | sub text_into_html {
|
|---|
| 490 | my ($text) = @_;
|
|---|
| 491 |
|
|---|
| 492 | # Convert problem characters into HTML symbols
|
|---|
| 493 | $text =~ s/&/&/g;
|
|---|
| 494 |
|
|---|
| 495 | $text = &convert_problem_characters_without_ampersand( $text );
|
|---|
| 496 |
|
|---|
| 497 | # convert email addresses and URLs into links
|
|---|
| 498 | $text = &convert_urls_into_links( $text );
|
|---|
| 499 |
|
|---|
| 500 | $text = &clean_up_whitespaces( $text );
|
|---|
| 501 |
|
|---|
| 502 | return $text;
|
|---|
| 503 | }
|
|---|
| 504 |
|
|---|
| 505 |
|
|---|
| 506 | sub expand_month {
|
|---|
| 507 | my $text=shift;
|
|---|
| 508 |
|
|---|
| 509 | # bibtex style files expand abbreviations for months.
|
|---|
| 510 | # Entries can contain more than one month (eg ' month = jun # "-" # aug, ')
|
|---|
| 511 | $text =~ s/jan/_textmonth01_/g;
|
|---|
| 512 | $text =~ s/feb/_textmonth02_/g;
|
|---|
| 513 | $text =~ s/mar/_textmonth03_/g;
|
|---|
| 514 | $text =~ s/apr/_textmonth04_/g;
|
|---|
| 515 | $text =~ s/may/_textmonth05_/g;
|
|---|
| 516 | $text =~ s/jun/_textmonth06_/g;
|
|---|
| 517 | $text =~ s/jul/_textmonth07_/g;
|
|---|
| 518 | $text =~ s/aug/_textmonth08_/g;
|
|---|
| 519 | $text =~ s/sep/_textmonth09_/g;
|
|---|
| 520 | $text =~ s/oct/_textmonth10_/g;
|
|---|
| 521 | $text =~ s/nov/_textmonth11_/g;
|
|---|
| 522 | $text =~ s/dec/_textmonth12_/g;
|
|---|
| 523 |
|
|---|
| 524 | return $text;
|
|---|
| 525 | }
|
|---|
| 526 |
|
|---|
| 527 |
|
|---|
| 528 | # Convert accented characters, remove { }, interprete some commands....
|
|---|
| 529 | # Note!! This is not comprehensive! Also assumes Latin -> Unicode!
|
|---|
| 530 | sub process_latex {
|
|---|
| 531 | my ($text) = @_;
|
|---|
| 532 |
|
|---|
| 533 | # note - this is really ugly, but it works. There may be a prettier way
|
|---|
| 534 | # of mapping latex accented chars to utf8, but we just brute force it here.
|
|---|
| 535 | # Also, this isn't complete - not every single possible accented letter
|
|---|
| 536 | # is in here yet, but most of the common ones are.
|
|---|
| 537 |
|
|---|
| 538 | my %utf8_chars =
|
|---|
| 539 | (
|
|---|
| 540 | # acutes
|
|---|
| 541 | '\'a' => chr(0xc3).chr(0xa1),
|
|---|
| 542 | '\'c' => chr(0xc4).chr(0x87),
|
|---|
| 543 | '\'e' => chr(0xc3).chr(0xa9),
|
|---|
| 544 | '\'i' => chr(0xc3).chr(0xad),
|
|---|
| 545 | '\'l' => chr(0xc3).chr(0xba),
|
|---|
| 546 | '\'n' => chr(0xc3).chr(0x84),
|
|---|
| 547 | '\'o' => chr(0xc3).chr(0xb3),
|
|---|
| 548 | '\'r' => chr(0xc5).chr(0x95),
|
|---|
| 549 | '\'s' => chr(0xc5).chr(0x9b),
|
|---|
| 550 | '\'u' => chr(0xc3).chr(0xba),
|
|---|
| 551 | '\'y' => chr(0xc3).chr(0xbd),
|
|---|
| 552 | '\'z' => chr(0xc5).chr(0xba),
|
|---|
| 553 | # graves
|
|---|
| 554 | '`a' => chr(0xc3).chr(0xa0),
|
|---|
| 555 | '`A' => chr(0xc3).chr(0x80),
|
|---|
| 556 | '`e' => chr(0xc3).chr(0xa8),
|
|---|
| 557 | '`E' => chr(0xc3).chr(0x88),
|
|---|
| 558 | '`i' => chr(0xc3).chr(0xac),
|
|---|
| 559 | '`I' => chr(0xc3).chr(0x8c),
|
|---|
| 560 | '`o' => chr(0xc3).chr(0xb2),
|
|---|
| 561 | '`O' => chr(0xc3).chr(0x92),
|
|---|
| 562 | '`u' => chr(0xc3).chr(0xb9),
|
|---|
| 563 | '`U' => chr(0xc3).chr(0x99),
|
|---|
| 564 | # circumflex
|
|---|
| 565 | '^a' => chr(0xc3).chr(0xa2),
|
|---|
| 566 | '^A' => chr(0xc3).chr(0x82),
|
|---|
| 567 | '^c' => chr(0xc4).chr(0x89),
|
|---|
| 568 | '^C' => chr(0xc4).chr(0x88),
|
|---|
| 569 | '^e' => chr(0xc3).chr(0xaa),
|
|---|
| 570 | '^E' => chr(0xc3).chr(0x8a),
|
|---|
| 571 | '^g' => chr(0xc4).chr(0x9d),
|
|---|
| 572 | '^G' => chr(0xc4).chr(0x9c),
|
|---|
| 573 | '^h' => chr(0xc4).chr(0xa5),
|
|---|
| 574 | '^H' => chr(0xc4).chr(0xa4),
|
|---|
| 575 | '^i' => chr(0xc3).chr(0xae),
|
|---|
| 576 | '^I' => chr(0xc3).chr(0x8e),
|
|---|
| 577 | '^j' => chr(0xc4).chr(0xb5),
|
|---|
| 578 | '^J' => chr(0xc4).chr(0xb4),
|
|---|
| 579 | '^o' => chr(0xc3).chr(0xb4),
|
|---|
| 580 | '^O' => chr(0xc3).chr(0x94),
|
|---|
| 581 | '^s' => chr(0xc5).chr(0x9d),
|
|---|
| 582 | '^S' => chr(0xc5).chr(0x9c),
|
|---|
| 583 | '^u' => chr(0xc3).chr(0xa2),
|
|---|
| 584 | '^U' => chr(0xc3).chr(0xbb),
|
|---|
| 585 | '^w' => chr(0xc5).chr(0xb5),
|
|---|
| 586 | '^W' => chr(0xc5).chr(0xb4),
|
|---|
| 587 | '^y' => chr(0xc5).chr(0xb7),
|
|---|
| 588 | '^Y' => chr(0xc5).chr(0xb6),
|
|---|
| 589 |
|
|---|
| 590 | # diaeresis
|
|---|
| 591 | '"a' => chr(0xc3).chr(0xa4),
|
|---|
| 592 | '"A' => chr(0xc3).chr(0x84),
|
|---|
| 593 | '"e' => chr(0xc3).chr(0xab),
|
|---|
| 594 | '"E' => chr(0xc3).chr(0x8b),
|
|---|
| 595 | '"\\\\i' => chr(0xc3).chr(0xaf),
|
|---|
| 596 | '"\\\\I' => chr(0xc3).chr(0x8f),
|
|---|
| 597 | '"o' => chr(0xc3).chr(0xb6),
|
|---|
| 598 | '"O' => chr(0xc3).chr(0x96),
|
|---|
| 599 | '"u' => chr(0xc3).chr(0xbc),
|
|---|
| 600 | '"U' => chr(0xc3).chr(0x9c),
|
|---|
| 601 | '"y' => chr(0xc3).chr(0xbf),
|
|---|
| 602 | '"Y' => chr(0xc3).chr(0xb8),
|
|---|
| 603 | # tilde
|
|---|
| 604 | '~A' => chr(0xc3).chr(0x83),
|
|---|
| 605 | '~N' => chr(0xc3).chr(0x91),
|
|---|
| 606 | '~O' => chr(0xc3).chr(0x95),
|
|---|
| 607 | '~a' => chr(0xc3).chr(0xa3),
|
|---|
| 608 | '~n' => chr(0xc3).chr(0xb1),
|
|---|
| 609 | '~o' => chr(0xc3).chr(0xb5),
|
|---|
| 610 | # caron - handled specially
|
|---|
| 611 | # double acute
|
|---|
| 612 | # ring
|
|---|
| 613 | # dot
|
|---|
| 614 | '.c' => chr(0xc4).chr(0x8b),
|
|---|
| 615 | '.C' => chr(0xc4).chr(0x8a),
|
|---|
| 616 | '.e' => chr(0xc4).chr(0x97),
|
|---|
| 617 | '.E' => chr(0xc4).chr(0x96),
|
|---|
| 618 | '.g' => chr(0xc4).chr(0xa1),
|
|---|
| 619 | '.G' => chr(0xc4).chr(0xa0),
|
|---|
| 620 | '.I' => chr(0xc4).chr(0xb0),
|
|---|
| 621 | '.z' => chr(0xc5).chr(0xbc),
|
|---|
| 622 | '.Z' => chr(0xc5).chr(0xbb),
|
|---|
| 623 | # macron
|
|---|
| 624 | '=a' => chr(0xc4).chr(0x81),
|
|---|
| 625 | '=A' => chr(0xc4).chr(0x80),
|
|---|
| 626 | '=e' => chr(0xc4).chr(0x93),
|
|---|
| 627 | '=E' => chr(0xc4).chr(0x92),
|
|---|
| 628 | '=i' => chr(0xc4).chr(0xab),
|
|---|
| 629 | '=I' => chr(0xc4).chr(0xaa),
|
|---|
| 630 | '=o' => chr(0xc4).chr(0x8d),
|
|---|
| 631 | '=O' => chr(0xc4).chr(0x8c),
|
|---|
| 632 | '=u' => chr(0xc4).chr(0xab),
|
|---|
| 633 | '=U' => chr(0xc4).chr(0xaa),
|
|---|
| 634 |
|
|---|
| 635 | # stroke - handled specially - see below
|
|---|
| 636 |
|
|---|
| 637 | # cedilla - handled specially
|
|---|
| 638 | );
|
|---|
| 639 |
|
|---|
| 640 | # these are one letter latex commands - we make sure they're not a longer
|
|---|
| 641 | # command name. eg {\d} is d+stroke, so careful of \d
|
|---|
| 642 | my %special_utf8_chars =
|
|---|
| 643 | (
|
|---|
| 644 | # breve
|
|---|
| 645 | 'u g' => chr(0xc4).chr(0x9f),
|
|---|
| 646 | 'u G' => chr(0xc4).chr(0x9e),
|
|---|
| 647 | 'u i' => chr(0xc4).chr(0xad),
|
|---|
| 648 | 'u I' => chr(0xc4).chr(0xac),
|
|---|
| 649 | 'u o' => chr(0xc5).chr(0x8f),
|
|---|
| 650 | 'u O' => chr(0xc5).chr(0x8e),
|
|---|
| 651 | 'u u' => chr(0xc5).chr(0xad),
|
|---|
| 652 | 'u U' => chr(0xc5).chr(0xac),
|
|---|
| 653 | # caron
|
|---|
| 654 | 'v c' => chr(0xc4).chr(0x8d),
|
|---|
| 655 | 'v C' => chr(0xc4).chr(0x8c),
|
|---|
| 656 | 'v n' => chr(0xc5).chr(0x88),
|
|---|
| 657 | 'v N' => chr(0xc5).chr(0x87),
|
|---|
| 658 | 'v s' => chr(0xc5).chr(0xa1),
|
|---|
| 659 | 'v S' => chr(0xc5).chr(0xa5),
|
|---|
| 660 | 'v z' => chr(0xc5).chr(0xbe),
|
|---|
| 661 | 'v Z' => chr(0xc5).chr(0xbd),
|
|---|
| 662 | # cedilla
|
|---|
| 663 | 'c c' => chr(0xc3).chr(0xa7),
|
|---|
| 664 | 'c C' => chr(0xc3).chr(0x87),
|
|---|
| 665 | 'c g' => chr(0xc4).chr(0xa3),
|
|---|
| 666 | 'c G' => chr(0xc4).chr(0xa2),
|
|---|
| 667 | 'c k' => chr(0xc4).chr(0xb7),
|
|---|
| 668 | 'c K' => chr(0xc4).chr(0xb6),
|
|---|
| 669 | 'c l' => chr(0xc4).chr(0xbc),
|
|---|
| 670 | 'c L' => chr(0xc4).chr(0xbb),
|
|---|
| 671 | 'c n' => chr(0xc5).chr(0x86),
|
|---|
| 672 | 'c N' => chr(0xc5).chr(0x85),
|
|---|
| 673 | 'c r' => chr(0xc5).chr(0x97),
|
|---|
| 674 | 'c R' => chr(0xc5).chr(0x96),
|
|---|
| 675 | 'c s' => chr(0xc5).chr(0x9f),
|
|---|
| 676 | 'c S' => chr(0xc5).chr(0x9e),
|
|---|
| 677 | 'c t' => chr(0xc5).chr(0xa3),
|
|---|
| 678 | 'c T' => chr(0xc5).chr(0xa2),
|
|---|
| 679 | # double acute / Hungarian accent
|
|---|
| 680 | 'H O' => chr(0xc5).chr(0x90),
|
|---|
| 681 | 'H o' => chr(0xc5).chr(0x91),
|
|---|
| 682 | 'H U' => chr(0xc5).chr(0xb0),
|
|---|
| 683 | 'H u' => chr(0xc5).chr(0xb1),
|
|---|
| 684 |
|
|---|
| 685 | # stroke
|
|---|
| 686 | 'd' => chr(0xc4).chr(0x91),
|
|---|
| 687 | 'D' => chr(0xc4).chr(0x90),
|
|---|
| 688 | 'h' => chr(0xc4).chr(0xa7),
|
|---|
| 689 | # 'H' => chr(0xc4).chr(0xa6), # !! this normally(!!?) means Hung. umlaut
|
|---|
| 690 | 'i' => chr(0xc4).chr(0xb1), # dotless lowercase i
|
|---|
| 691 | 'l' => chr(0xc5).chr(0x82),
|
|---|
| 692 | 'L' => chr(0xc5).chr(0x81),
|
|---|
| 693 | 'o' => chr(0xc3).chr(0xb8),
|
|---|
| 694 | 'O' => chr(0xc3).chr(0x98),
|
|---|
| 695 | 't' => chr(0xc5).chr(0xa7),
|
|---|
| 696 | 'T' => chr(0xc5).chr(0xa6),
|
|---|
| 697 | # german ss/szlig/sharp s
|
|---|
| 698 | 'ss' => chr(0xc3).chr(0x9f),
|
|---|
| 699 | );
|
|---|
| 700 |
|
|---|
| 701 | # convert latex-style accented characters.
|
|---|
| 702 |
|
|---|
| 703 | # remove space (if any) between \ and letter to accent (eg {\' a})
|
|---|
| 704 |
|
|---|
| 705 | $text =~ s@(\\[`'="^~\.])\s(\w)@$1$2@g; #`
|
|---|
| 706 |
|
|---|
| 707 | # remove {} around a single character (eg \'{e})
|
|---|
| 708 | $text =~ s@(\\[`'="^~\.])\{(\w)}@{$1$2}@g; #`
|
|---|
| 709 |
|
|---|
| 710 | # \, is another way of doing cedilla \c
|
|---|
| 711 | $text =~ s@\\,(.)@\\c $1@g;
|
|---|
| 712 |
|
|---|
| 713 | # remove {} around a single character for special 1 letter commands -
|
|---|
| 714 | # need to insert a space. Eg \v{s} -> {\v s}
|
|---|
| 715 | $text =~ s@(\\[uvcH])\{(\w)}@{$1 $2}@g;
|
|---|
| 716 |
|
|---|
| 717 | # only do if the text contains a '\' character.
|
|---|
| 718 | if ($text =~ m|\\|) {
|
|---|
| 719 | # "normal" accents - ie non-alpha latex tag
|
|---|
| 720 | while ($text =~ m@\\([`'="^~\.])([\w])@) { #`
|
|---|
| 721 | my $tex="$1$2"; my $char="$2";
|
|---|
| 722 | my $replacement=$utf8_chars{$tex};
|
|---|
| 723 | if (!defined($replacement)) {
|
|---|
| 724 | print STDERR "BibTexPlugin: Warning: unknown latex accent \"$tex\" in \"$text\"\n";
|
|---|
| 725 | $replacement=$char;
|
|---|
| 726 | }
|
|---|
| 727 | $text =~ s/\\\Q$tex/$replacement/g;
|
|---|
| 728 | }
|
|---|
| 729 |
|
|---|
| 730 | # where the following letter matters (eg "sm\o rrebr\o d", \ss{})
|
|---|
| 731 | # only do the change if immediately followed by a space, }, {, or \
|
|---|
| 732 | # one letter accents ( + ss)
|
|---|
| 733 | while ($text =~ m@\\([DdhiLlOoTt]|ss)[{}\s\"\\]@) {
|
|---|
| 734 | my $tex=$1;
|
|---|
| 735 | my $replacement=$special_utf8_chars{$tex};
|
|---|
| 736 | if (!defined($replacement)) {
|
|---|
| 737 | print STDERR "BibTexPlugin: Warning: unknown latex accent \"$tex\" in \"$text\"\n";
|
|---|
| 738 | $replacement=$tex;
|
|---|
| 739 | }
|
|---|
| 740 | $text =~ s/\\$tex([{}\s\"\\])/$replacement$1/g;
|
|---|
| 741 |
|
|---|
| 742 | }
|
|---|
| 743 |
|
|---|
| 744 | # one letter latex accent commands that affect following letter
|
|---|
| 745 | while ($text =~ m@\\([uvcH]) ([\w])@) {
|
|---|
| 746 | my $tex="$1 $2"; my $char="$2";
|
|---|
| 747 | my $replacement=$special_utf8_chars{$tex};
|
|---|
| 748 | if (!defined($replacement)) {
|
|---|
| 749 | print STDERR "BibTexPlugin: Warning: unknown latex accent \"$tex\" in \"$text\"\n";
|
|---|
| 750 | $replacement=$char;
|
|---|
| 751 | }
|
|---|
| 752 | $text =~ s/\\$tex/$replacement/g;
|
|---|
| 753 | }
|
|---|
| 754 | }
|
|---|
| 755 |
|
|---|
| 756 | # escape html-sensitive characters
|
|---|
| 757 | $text =~ s@&@&@g;
|
|---|
| 758 | $text =~ s@<@<@g;
|
|---|
| 759 | $text =~ s@>@>@g;
|
|---|
| 760 | $text =~ s/''/"/g; # Latex-specific
|
|---|
| 761 | $text =~ s/``/"/g; # Latex-specific
|
|---|
| 762 | # greenstone-specific
|
|---|
| 763 | $text =~ s@\[@&\#91;@g;
|
|---|
| 764 | $text =~ s@\]@&\#93;@g;
|
|---|
| 765 |
|
|---|
| 766 | # remove latex commands
|
|---|
| 767 |
|
|---|
| 768 | # explicitly recognised commands
|
|---|
| 769 | $text =~ s@\\ldots@…@g;
|
|---|
| 770 |
|
|---|
| 771 | # maths mode
|
|---|
| 772 | $text =~ s@\$(.*?)\$@&process_latex_math($1)@ge;
|
|---|
| 773 |
|
|---|
| 774 | # remove all other commands with optional arguments...
|
|---|
| 775 | $text =~ s@\\\w+(\[.*?\])?\s*@@g;
|
|---|
| 776 | # $text =~ s@\\noopsort{[^}]+\}@@g;
|
|---|
| 777 | # $text =~ s@\\\w+{(([^}]*[^\\])*)}@$1@g; # all other commands
|
|---|
| 778 |
|
|---|
| 779 | # remove latex groupings { } (but not \{ or \} )
|
|---|
| 780 | while ($text =~ s/([^\\])[\{\}]/$1/g) {;} # needed for "...}{..."
|
|---|
| 781 | $text =~ s/^\{//; # remove { if first char
|
|---|
| 782 |
|
|---|
| 783 | # latex characters
|
|---|
| 784 | # spaces - nobr space (~), opt break (\-), append ("#" - bibtex only)
|
|---|
| 785 | $text =~ s/([^\\])~+/$1 /g; # non-breaking space "~"
|
|---|
| 786 | # optional break "\-"
|
|---|
| 787 | if ($text =~ m/[^&]\#/) { # concat macros (bibtex) but not HTML codes
|
|---|
| 788 | # the non-macro bits have quotes around them - we just remove quotes
|
|---|
| 789 | $text =~ s/([^&])[\"\#]/$1/g;
|
|---|
| 790 | }
|
|---|
| 791 | # dashes. Convert (m|n)-dash into single dash for html.
|
|---|
| 792 | $text =~ s@\-\-+@\-@g;
|
|---|
| 793 |
|
|---|
| 794 | # quoted { } chars
|
|---|
| 795 | $text =~ s@\\\{@{@g;
|
|---|
| 796 | $text =~ s@\\}@}@g;
|
|---|
| 797 |
|
|---|
| 798 | # finally to protect against macro language...
|
|---|
| 799 | $text =~ s@\\@\\\\@g;
|
|---|
| 800 |
|
|---|
| 801 | return $text;
|
|---|
| 802 | }
|
|---|
| 803 |
|
|---|
| 804 |
|
|---|
| 805 | sub process_latex_math {
|
|---|
| 806 | my $text = shift;
|
|---|
| 807 |
|
|---|
| 808 | $text =~ s@\\infty@infinity@g; # or unicode 0x221E...
|
|---|
| 809 | $text =~ s@\^\{(.*?)}@<sup>$1</sup>@g; # superscript
|
|---|
| 810 | $text =~ s@\^([^\{])@<sup>$1</sup>@g;
|
|---|
| 811 | $text =~ s@\_\{(.*?)}@<sub>$1</sub>@g; # subscript
|
|---|
| 812 | $text =~ s@\_([^\{])@<sub>$1</sub>@g;
|
|---|
| 813 |
|
|---|
| 814 | # put all other command names in italics
|
|---|
| 815 | $text =~ s@\\([\w]+)@<i>$1</i>@g;
|
|---|
| 816 |
|
|---|
| 817 | return $text;
|
|---|
| 818 | }
|
|---|
| 819 |
|
|---|
| 820 | sub add_segment_OID {
|
|---|
| 821 | my $self = shift (@_);
|
|---|
| 822 | my ($doc_obj, $id, $segment_number) = @_;
|
|---|
| 823 | if ( $self->{'key'} eq "default") {
|
|---|
| 824 | $self->SUPER::add_segment_OID(@_);
|
|---|
| 825 | } else {
|
|---|
| 826 | $doc_obj->set_OID($self->{'key'});
|
|---|
| 827 | }
|
|---|
| 828 | }
|
|---|
| 829 |
|
|---|
| 830 | 1;
|
|---|
| 831 |
|
|---|
| 832 |
|
|---|
