bpgallery.sh

   1 #!/usr/bin/env bash
   2
   3 # bpgallery.sh - builds a simple 'gallery' from a collection of images
   4 # Copyright (C) 2004 Brett Parker <iDunno@sommitrealweird.co.uk>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20 set -f
  21
  22 VERSION="1.1.2"
  23
  24 function bpgallery_default_head() {
  25 cat <<END
  26 <?xml version="1.0"?>
  27 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "xhtml11.dtd">
  28 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
  29 <head>
  30         <title>${TITLE}</title>
  31         <link rel="stylesheet" href="${BASEURL}style.css" type="text/css" />
  32 </head>
  33 <body>
  34 END
  35 }
  36
  37 declare -rf bpgallery_default_head
  38
  39 function bpgallery_default_description() {
  40 cat <<END
  41         <h1>${TITLE}</h1>
  42         ${DESCRIPTION}
  43 END
  44 }
  45
  46 declare -rf bpgallery_default_description
  47
  48 function bpgallery_default_thumbsline() {
  49 if [[ -z $caption ]]; then
  50         caption_alt=Unknown
  51 else
  52         caption_alt=$caption
  53 fi
  54 cat << END
  55 <div class="thumbnail"><a href="$link"><img src="${ICONSDIRECTORY}/$filename" alt="$caption_alt" /></a><div class="caption">$caption</div></div>
  56 END
  57 }
  58
  59 declare -rf bpgallery_default_thumbsline
  60
  61 function bpgallery_default_tail() {
  62 cat << END
  63 </body>
  64 </html>
  65 END
  66 }
  67
  68 declare -rf bpgallery_default_tail
  69
  70 function bpgallery_default_stylesheet() {
  71 cat <<END
  72 body {
  73         background: white;
  74         color: black;
  75         font-family: sans-serif;
  76         font-size: 10pt;
  77 }
  78
  79 div.thumbnail {
  80         float: left;
  81         padding: 20px;
  82         border: 0px;
  83         width: ${MAXWIDTH}px;
  84         height: ${MAXHEIGHT}px;
  85         text-align: center;
  86 }
  87
  88 div.caption {
  89         width: 100%;
  90         text-align: center;
  91         font-weight: bold;
  92 }
  93
  94 div.navigation {
  95         margin: 0;
  96 }
  97
  98 div.navigation ul {
  99         display: inline;
 100         margin: 0;
 101         padding: 0;
 102         text-align: center;
 103 }
 104
 105 div.navigation ul li {
 106         display: inline;
 107         margin: 2em;
 108 }
 109
 110 a {
 111         border: 0px;
 112 }
 113
 114 img {
 115         border: 0px;
 116 }
 117 END
 118 }
 119
 120 declare -rf bpgallery_default_stylesheet
 121
 122 function bpgallery_default_page() {
 123         $BPGALLERY_HEAD_FUNCTION
 124
 125         linkstart=""
 126         linkend=""
 127
 128         if [[ ! -z $linklocation ]]; then
 129                 linkstart="<a href='$linklocation'>"
 130                 linkend="</a>"
 131         fi
 132
 133         cat <<END
 134 <h1>${caption}</h1>
 135 <div class="navigation">
 136         <ul>
 137                 <li><a href='${BASEURL}${INDEXDOCUMENT}'>Thumbnails</a></li>
 138 END
 139         if [[ ! -z $previouspage ]]; then
 140                 $ECHOCOMMAND "<li><a href='${previouspage}'>Previous</a></li>"
 141         else
 142                 $ECHOCOMMAND "<li>Previous</li>"
 143         fi
 144
 145         if [[ ! -z $nextpage ]]; then
 146                 $ECHOCOMMAND "<li><a href='${nextpage}'>Next</a></li>"
 147         else
 148                 $ECHOCOMMAND "<li>Next</li>"
 149         fi
 150 cat <<END
 151         </ul>
 152 </div>
 153 <div class="mainimage">
 154         ${linkstart}<img src="${filename}" alt="${caption}" />${linkend}
 155 </div>
 156 END
 157         $BPGALLERY_TAIL_FUNCTION
 158 }
 159
 160 declare -rf bpgallery_default_page
 161
 162 function bpgallery_escape_url() {
 163         temp=$1
 164         temp=${temp//\%/%25}
 165         temp=${temp//:/%3A}
 166         temp=${temp//;/%3B}
 167         temp=${temp// /%20}
 168         temp=${temp//$/%24}
 169         temp=${temp//&/%26}
 170         temp=${temp//+/%2B}
 171         temp=${temp//,/%2C}
 172         temp=${temp//\//%2F}
 173         temp=${temp//=/%3D}
 174         temp=${temp//\?/%3F}
 175         temp=${temp//@/%40}
 176         temp=${temp//\"/%22}
 177         $ECHOCOMMAND $temp
 178 }
 179
 180 function bpgallery_cleanup_directory_name() {
 181         temp=$1
 182         temp=${temp//\%/_}
 183         temp=${temp//:/_}
 184         temp=${temp//;/_}
 185         temp=${temp// /_}
 186         temp=${temp//$/_}
 187         temp=${temp//&/_}
 188         temp=${temp//+/_}
 189         temp=${temp//,/_}
 190         temp=${temp//\//_}
 191         temp=${temp//=/_}
 192         temp=${temp//\?/_}
 193         temp=${temp//@/_}
 194         temp=${temp//\"/_}
 195         $ECHOCOMMAND $temp
 196 }
 197
 198 declare -rf bpgallery_escape_url
 199
 200 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 201         declare -r BPGALLERY_THEME
 202 fi
 203
 204 if [[ ! -z ${TITLE} ]] ; then
 205         declare -r TITLE
 206 fi
 207
 208 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 209         . /usr/local/etc/bpgallery/config 2>/dev/null
 210 fi
 211
 212 if [[ -e /etc/bpgallery/config ]] ; then
 213         . /etc/bpgallery/config 2>/dev/null
 214 fi
 215
 216 if [[ -e $HOME/.bpgallery.rc ]]; then
 217         . $HOME/.bpgallery.rc 2>/dev/null
 218 fi
 219
 220 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 221         . $1/.bpgallery.rc 2>/dev/null
 222 fi
 223
 224 if [[ -z ${BPGALLERY_THEME} ]]; then
 225         BPGALLERY_THEME=default
 226 fi
 227
 228 if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
 229         [[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
 230         . ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
 231 elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 232         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 233 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 234         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 235 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 236         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 237 fi
 238
 239 if [[ -z $TITLE ]]; then
 240         TITLE="Photo Gallery"
 241 fi
 242
 243 if [[ -z $CONVERTTOOL ]]; then
 244         hash convert
 245         if [[ $? != 0 ]]; then
 246                 echo "Can't find convert, exiting"
 247                 exit 3
 248         fi
 249         CONVERTTOOL=$(hash -t convert)
 250 else
 251         if [[ ! -x $CONVERTTOOL ]]; then
 252                 echo "Can't find convert at location $CONVERTTOOL, exiting"
 253                 exit 3
 254         fi
 255 fi
 256
 257 if [[ -z $FINDCOMMAND ]]; then
 258         hash find
 259         if [[ $? != 0 ]]; then
 260                 echo "Can't find find, exiting"
 261                 exit 3
 262         fi
 263         FINDCOMMAND=$(hash -t find)
 264 else
 265         if [[ ! -x $FINDCOMMAND ]]; then
 266                 echo "Can't find find at $FINDCOMMAND, exiting"
 267                 exit 3
 268         fi
 269 fi
 270
 271 if [[ -z $XARGSCOMMAND ]]; then
 272         hash xargs
 273         if [[ $? != 0 ]]; then
 274                 echo "Can't find xargs, exiting"
 275                 exit 3
 276         fi
 277         XARGSCOMMAND=$(hash -t xargs)
 278 else
 279         if [[ ! -x $XARGSCOMMAND ]]; then
 280                 echo "Can't find xargs at $XARGSCOMMAND, exiting"
 281                 exit 3
 282         fi
 283 fi
 284
 285 if [[ -z $ECHOCOMMAND ]]; then
 286         ECHOCOMMAND=echo
 287 else
 288         if [[ ! -x $ECHOCOMMAND ]]; then
 289                 echo "Can't find echo at $ECHOCOMMAND, exiting"
 290                 exit 3
 291         fi
 292 fi
 293
 294 if [[ -z $SORTCOMMAND ]]; then
 295         hash sort
 296         if [[ $? != 0 ]]; then
 297                 echo "Can't find sort, exiting"
 298                 exit 3
 299         fi
 300         SORTCOMMAND=$(hash -t sort)
 301 else
 302         if [[ ! -x $SORTCOMMAND ]]; then
 303                 echo "Can't find sort, exiting"
 304                 exit 3
 305         fi
 306 fi
 307
 308 if [[ -z $IDENTIFYCOMMAND ]]; then
 309         hash identify
 310         if [[ $? != 0 ]]; then
 311                 echo "Can't find indentify, exiting"
 312                 exit 3
 313         fi
 314         IDENTIFYCOMMAND=$(hash -t identify)
 315 else
 316         if [[ ! -x $IDENTIFYCOMMAND ]]; then
 317                 echo "Can't find identify at $IDENTIFYCOMMAND, exiting"
 318                 exit 3
 319         fi
 320 fi
 321
 322 if [[ -z $HEADCOMMAND ]]; then
 323         hash head
 324         if [[ $? != 0 ]]; then
 325                 echo "Can't find head, exiting"
 326                 exit 3
 327         fi
 328         HEADCOMMAND=$(hash -t head)
 329 else
 330         if [[ ! -x $HEADCOMMAND ]]; then
 331                 echo "Can't find head at $HEADCOMMAND, exiting"
 332                 exit 3
 333         fi
 334 fi
 335
 336 if [[ -z $GREPCOMMAND ]]; then
 337         hash grep
 338         if [[ $? != 0 ]]; then
 339                 echo "Can't find grep, exiting"
 340                 exit 3
 341         fi
 342         GREPCOMMAND=$(hash -t grep)
 343 else
 344         if [[ ! -x $GREPCOMMAND ]]; then
 345                 echo "Can't find grep at $GREPCOMMAND, exiting"
 346                 exit 3
 347         fi
 348 fi
 349
 350 if [[ -z $SEDCOMMAND ]]; then
 351         hash sed
 352         if [[ $? != 0 ]]; then
 353                 echo "Can't find sed, exiting"
 354                 exit 3
 355         fi
 356         SEDCOMMAND=$(hash -t sed)
 357 else
 358         if [[ ! -x $SEDCOMMAND ]]; then
 359                 echo "Can't find sed at $SEDCOMMAND, exiting"
 360                 exit 3
 361         fi
 362 fi
 363
 364 if [[ -z $WCCOMMAND ]]; then
 365         hash wc
 366         if [[ $? != 0 ]]; then
 367                 echo "Can't find wc, exiting"
 368                 exit 3
 369         fi
 370         WCCOMMAND=$(hash -t wc)
 371         WCCOMMAND="$WCCOMMAND -l"
 372 else
 373         if [[ ! -x $WCCOMMAND ]]; then
 374                 echo "Can't find wc at $WCCOMMAND, exiting"
 375                 exit 3
 376         fi
 377         WCCOMMAND="$WCCOMMAND -l"
 378 fi
 379
 380 if [[ -z $WIDTH ]]; then
 381         WIDTH=100
 382 fi
 383
 384 if [[ -z $IMAGEEXTENSIONS ]]; then
 385         IMAGEEXTENSIONS="jpeg jpg gif png";
 386 fi
 387
 388 if [[ -z $CAPTIONHEIGHT ]]; then
 389         CAPTIONHEIGHT=75
 390 fi
 391
 392 if [[ -z $OUTPUTHTML ]]; then
 393         OUTPUTHTML=0
 394 fi
 395
 396 if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
 397         GENERATEPAGESFORFULLSIZE=0
 398 fi
 399
 400 if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
 401         GENERATEPAGESFORMEDIUMSIZE=1
 402 fi
 403
 404 if [[ -z $PAGESDIRECTORY ]]; then
 405         PAGESDIRECTORY=""
 406 else
 407         removetrailingslashes=${PAGESDIRECTORY%/}
 408         temp=$removetrailingslashes
 409         while [[ $removetrailingslashes != $temp ]]; do
 410                 temp=$removetrailingslashes
 411                 removetrailingslashes=${temp%/}
 412         done
 413         PAGESDIRECTORY=$(bpgallery_escape_url "${PAGESDIRECTORY}")
 414 fi
 415
 416 if [[ -z $MEDIUMWIDTH ]]; then
 417         MEDIUMWIDTH=400
 418 fi
 419
 420 if [[ -z $INDEXDOCUMENT ]]; then
 421         INDEXDOCUMENT=index.html
 422 fi
 423
 424 if [[ -z $MEDIUMDIRECTORY ]]; then
 425         MEDIUMDIRECTORY=medium
 426 else
 427         # Strip out anything that might be broken
 428         MEDIUMDIRECTORY=$(bpgallery_cleanup_directory_name "$MEDIUMDIRECTORY")
 429 fi
 430
 431 if [[ -z $ICONSDIRECTORY ]]; then
 432         ICONSDIRECTORY=icons
 433 else
 434         # Strip out anything that might be broken
 435         ICONSDIRECTORY=$(bpgallery_cleanup_directory_name "$ICONSDIRECTORY")
 436 fi
 437
 438 if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 439         BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 440 else
 441         BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 442 fi
 443
 444 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 445         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 446 else
 447         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 448 fi
 449
 450 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 451         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 452 else
 453         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 454 fi
 455
 456 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 457         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 458 else
 459         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 460 fi
 461
 462 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 463         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 464 else
 465         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 466 fi
 467
 468 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 469         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 470 else
 471         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 472 fi
 473
 474 FINDIMAGESOPTIONS=""
 475
 476 for imageext in $IMAGEEXTENSIONS; do
 477         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 478 done
 479
 480 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 481 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 482
 483 function usage() {
 484 cat <<END
 485 Usage:
 486   $0 [--help|--version|<path to images>]
 487
 488     --help
 489         displays this help screen
 490     --version
 491         displays the version and exits
 492
 493 This can also takes some environment variables, these will use defaults if not
 494 set.
 495
 496         TITLE
 497             the title of the gallery
 498
 499         WIDTH
 500             the width to make the icons
 501
 502         MEDIUMWIDTH
 503             set the width of images in the medium size pages
 504
 505         BPGALLERY_THEME
 506             set the theme to use (described below)
 507
 508         BPGALLERY_THEME_DIR
 509             set an extra location to look for themes
 510
 511         OUTPUTHTML
 512             sets the script output to be wrapped in a <pre> block
 513
 514         GENERATEPAGESFORMEDIUMSIZE
 515             generate medium sized images and pages
 516
 517         GENERATEPAGESFORFULLSIZE
 518             decide wether to generate pages for the full size images or not
 519
 520         INDEXDOCUMENT
 521             name of the index page (e.g. index.html)
 522
 523 Example:
 524         TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 525 END
 526 }
 527
 528 function version() {
 529 cat <<END
 530 Version: $VERSION
 531 END
 532 }
 533
 534 function check_dimensions() {
 535         wantedwidth=$1
 536         wantedheight=$2
 537         dir=$3
 538         filename=$4
 539         iconwidth=$($IDENTIFYCOMMAND -format "%wx%h" "$dir/$filename")
 540         iconheight=${iconwidth//*x}
 541         iconwidth=${iconwidth//x*}
 542         # are the dimensions correctish?
 543         imagesizeright=1
 544         if [ ! -z $wantedheight ]; then
 545                 if [ $wantedwidth -ne $iconwidth ] && [ $wantedheight -ne $iconheight ]; then
 546                         imagesizeright=0
 547                 else
 548                         # make sure that both of the dimensions are smaller than they
 549                         # should be
 550                         if [ $iconwidth -gt $wantedwidth ] || [ $iconheight -gt $wantedheight ]; then
 551                                 imagesizeright=0
 552                         fi
 553                 fi
 554         else
 555                 if [ $wantedwidth -ne $iconwidth ]; then
 556                         imagesizeright=0
 557                 fi
 558         fi
 559         echo $imagesizeright
 560 }
 561
 562 function generate_resized_images() {
 563         $ECHOCOMMAND "Generating $2"
 564         width=$1
 565         height=${width//*x}
 566         if [ $width != $height ]; then
 567                 width=${width//x*}
 568         else
 569                 height=""
 570         fi
 571         currentimage=0
 572         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 573         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS |
 574                 $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} |
 575                 while read filename; do
 576                         filename=${filename//\"/\\\"}
 577                         imagesizeright=$(check_dimensions "$width" "$height" "$2" "$filename")
 578                         if [ ! -r "$2/$filename" ] ||
 579                                 [ "$filename" -nt "$2/$filename" ] ||
 580                                 [ $imagesizeright -ne 1 ]; then
 581                                 $ECHOCOMMAND $filename
 582                         fi
 583                 done |
 584                 $WCCOMMAND)
 585
 586         if [ $totalimages -eq 0 ]; then
 587                 # might as well exit at this point - there are no pictures
 588                 $ECHOCOMMAND "No images for the gallery - exiting."
 589                 exit 64
 590         else
 591                 # check if the directory exists and create it other wise
 592                 if [ ! -d $2 ]; then
 593                         mkdir $2
 594                 fi
 595
 596                 if [ ! -w $2 ]; then
 597                         $ECHOCOMMAND "Can't write to $2 directory, exiting"
 598                         exit 16
 599                 fi
 600         fi
 601
 602         if [ $totalimages -eq $imagestoupdate ]; then
 603                 $ECHOCOMMAND "Regenerating all $2"
 604         elif [ $imagestoupdate -eq 0 ]; then
 605                 $ECHOCOMMAND "No Updated $2, not regenerating"
 606                 return
 607         else
 608                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 609         fi
 610
 611         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 612                 $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 613                 while read filename; do
 614                         tempfilename=${filename//\"/\\\"/};
 615                         imagesizeright=$(check_dimensions "$width" "$height" "$2" "$filename")
 616                         if [ ! -r "$2/$tempfilename" ] \
 617                                 || [ "$tempfilename" -nt "$2/$tempfilename" ] \
 618                                 || [ $imagesizeright -ne 1 ]; then
 619                                         $ECHOCOMMAND -n $filename
 620                                         $ECHOCOMMAND -n -e "\000"
 621                         fi
 622                 done | \
 623                 $XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | \
 624                         while read throwout; do
 625                                 $ECHOCOMMAND done: $currentimage/$imagestoupdate images
 626                                 currentimage=$((currentimage+1))
 627                         done
 628         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 629         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 630 }
 631
 632 function generate_thumbs() {
 633         if [ ! -z $HEIGHT ]; then
 634                 generate_resized_images "${WIDTH}x${HEIGHT}" $ICONSDIRECTORY
 635         else
 636         generate_resized_images $WIDTH $ICONSDIRECTORY
 637         fi
 638 }
 639
 640 function generate_medium() {
 641         if [ ! -z $MEDIUMHEIGHT ]; then
 642                 generate_resized_images "${MEDIUMWIDTH}x${MEDIUMHEIGHT}" $MEDIUMDIRECTORY
 643         else
 644                 generate_resized_images $MEDIUMWIDTH $MEDIUMDIRECTORY
 645         fi
 646 }
 647
 648 function generate_pages() {
 649         $ECHOCOMMAND "Generating Pages"
 650         previouspage=""
 651         currentpage=""
 652         nextpage=""
 653         previousimage=""
 654         currentimage=""
 655         nextimage=""
 656         extra=""
 657         extradir=""
 658         addlinks=0
 659
 660         if [ ! -z $1 ]; then
 661                 extra=$1
 662         fi
 663
 664         if [ ! -z $2 ]; then
 665                 extradir=$2/
 666                 addlinks=1
 667         fi
 668
 669         if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 670                 addlinks=2
 671         fi
 672
 673         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 674         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 675         $SORTCOMMAND -g | \
 676         while read imagefilename; do
 677                 previousimage=$currentimage
 678                 currentimage=$nextimage
 679                 nextimage=${imagefilename#./}
 680                 addlink=""
 681
 682                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 683                         if [[ $addlinks == 1 ]]; then
 684                                 addlink=${currentimage}.html
 685                         else
 686                                 addlink=${currentimage}${extra}.html
 687                         fi
 688                 else
 689                         addlink=${currentimage}
 690                 fi
 691
 692                 previouspage=$currentpage
 693                 currentpage=$nextpage
 694                 if [[ $addlinks == 1 ]]; then
 695                         nextpage=${nextimage}${extra}.html
 696                 else
 697                         nextpage=${nextimage}.html
 698                 fi
 699
 700                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 701                         filename=../${extradir}${currentimage}
 702                 else
 703                         filename=${extradir}${currentimage}
 704                 fi
 705                 if [ "x$currentpage" != "x" ]; then
 706                         generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 707                 fi
 708                 $ECHOCOMMAND $nextimage
 709         done | tail -n 2 | (
 710                 read previouspage
 711                 read currentpage
 712                 addlink=""
 713
 714                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 715                         if [[ $addlinks == 1 ]]; then
 716                                 addlink=${currentpage}.html
 717                         else
 718                                 addlink=${currentpage}${extra}.html
 719                         fi
 720                 else
 721                         addlink=${currentpage}
 722                 fi
 723
 724                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 725                         filename=../${extradir}${currentpage}
 726                 else
 727                         filename=${extradir}${currentpage}
 728                 fi
 729                 if [[ $addlinks == 1 ]]; then
 730                         currentpage=${currentpage}${extra}.html
 731                         previouspage=${previouspage}${extra}.html
 732                 else
 733                         currentpage=${currentpage}.html
 734                         previouspage=${previouspage}.html
 735                 fi
 736                 nextpage=""
 737                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 738         )
 739 }
 740
 741 function generate_medium_pages() {
 742         generate_pages __${MEDIUMDIRECTORY} ${MEDIUMDIRECTORY}
 743 }
 744
 745 function generate_general_page() {
 746
 747         if [[ -z $1 ]]; then
 748                 previouspage=""
 749         fi
 750
 751         if [[ -z $2 ]]; then
 752                 currentpage=""
 753                 return
 754         fi
 755
 756         if [[ -z $3 ]]; then
 757                 nextpage=""
 758         fi
 759
 760         if [[ ! -z $4 ]]; then
 761                 linklocation=$4
 762         fi
 763
 764         if [ -r captions.txt ]; then
 765                 imagefilename=${filename##*/}
 766                 caption=$($GREPCOMMAND -E "^${imagefilename}    " captions.txt); caption=${caption#*    }
 767         else
 768                 caption=""
 769         fi
 770
 771         $BPGALLERY_PAGE_FUNCTION > "${UNIXPAGESDIRECTORY}$currentpage"
 772 }
 773
 774 if [[ $OUTPUTHTML != 0 ]]; then
 775         $ECHOCOMMAND "<pre>"
 776 fi
 777
 778 if [[ -z $1 ]]; then
 779         $ECHOCOMMAND "No path given"
 780         usage
 781         exit 1
 782 fi
 783
 784 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 785         usage
 786         exit 0
 787 fi
 788
 789 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 790         version
 791         exit 0
 792 fi
 793
 794 if [[ ! -d $1 ]]; then
 795         $ECHOCOMMAND "$1 is not a directory"
 796         usage
 797         exit 2
 798 fi
 799
 800 cd "$1"
 801
 802 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 803         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 804         exit 4
 805 fi
 806
 807 if [ ! -w . ]; then
 808         $ECHOCOMMAND "Can't write to images directory, exiting"
 809         exit 8
 810 fi
 811
 812 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 813         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 814         exit 8
 815 fi
 816
 817 if [ -e style.css ] && [ ! -w style.css ]; then
 818         $ECHOCOMMAND "Can't write style.css, exiting"
 819         exit 8
 820 fi
 821
 822 generate_thumbs
 823
 824 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 825         if [ ! -d $PAGESDIRECTORY ]; then
 826                 mkdir -p $PAGESDIRECTORY
 827         fi
 828
 829         if [ ! -w $PAGESDIRECTORY ]; then
 830                 $ECHOCOMMAND "Can't write to $PAGESDIRECTORY directory, exiting"
 831                 exit 16
 832         fi
 833         UNIXPAGESDIRECTORY=$PAGESDIRECTORY/
 834         PAGESDIRECTORY=$(bpgallery_escape_url $PAGESDIRECTORY)/
 835
 836         BASEURL="../"
 837 else
 838         BASEURL=""
 839         UNIXPAGESDIRECTORY=""
 840 fi
 841
 842 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 843         generate_medium
 844         generate_medium_pages
 845 fi
 846
 847 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 848         if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 849                 generate_pages __${MEDIUMDIRECTORY}
 850         else
 851                 generate_pages
 852         fi
 853 fi
 854
 855 if [ -r description.txt ] ; then
 856         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 857 else
 858         DESCRIPTION=""
 859 fi
 860
 861 BASEURL=""
 862
 863 $ECHOCOMMAND "Starting to generate page"
 864
 865 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 866 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 867
 868 $ECHOCOMMAND "Adding Captions"
 869
 870 extra=""
 871 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 872         extra=__${MEDIUMDIRECTORY}
 873 fi
 874
 875 $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename      " captions.txt); caption=${caption#*    }; else caption=""; fi; if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then link=${PAGESDIRECTORY}$(bpgallery_escape_url "${filename}${extra}.html"); elif [ $GENERATEPAGESFORFULLSIZE != 0 ]; then link=${PAGESDIRECTORY}$(bpgallery_escape_url "${filename}.html"); else link=$(bpgallery_escape_url "$filename"); fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> ${INDEXDOCUMENT}
 876
 877 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 878
 879 $ECHOCOMMAND "Finished generating the page"
 880 $ECHOCOMMAND "Generating stylesheet"
 881 cd $ICONSDIRECTORY
 882
 883 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 884 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 885
 886 cd ..
 887
 888 # add a bit to the maxheight for the size of the caption
 889 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 890
 891 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 892
 893 $ECHOCOMMAND "All done"
 894
 895 if [[ $OUTPUTHTML != 0 ]]; then
 896         $ECHOCOMMAND "</pre>"
 897 fi