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="1.1.1+arch"
  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: ${WIDTH}px;
  84         height: ${MAXHEIGHT}px;
  85 }
  86
  87 div.caption {
  88         width: 100%;
  89         text-align: center;
  90         font-weight: bold;
  91 }
  92
  93 div.navigation {
  94         margin: 0;
  95 }
  96
  97 div.navigation ul {
  98         display: inline;
  99         margin: 0;
 100         padding: 0;
 101         text-align: center;
 102 }
 103
 104 div.navigation ul li {
 105         display: inline;
 106         margin: 2em;
 107 }
 108
 109 a {
 110         border: 0px;
 111 }
 112
 113 img {
 114         border: 0px;
 115 }
 116 END
 117 }
 118
 119 declare -rf bpgallery_default_stylesheet
 120
 121 function bpgallery_default_page() {
 122         $BPGALLERY_HEAD_FUNCTION
 123
 124         linkstart=""
 125         linkend=""
 126
 127         if [[ ! -z $linklocation ]]; then
 128                 linkstart="<a href='$linklocation'>"
 129                 linkend="</a>"
 130         fi
 131
 132         cat <<END
 133 <h1>${caption}</h1>
 134 <div class="navigation">
 135         <ul>
 136                 <li><a href='${BASEURL}${INDEXDOCUMENT}'>Thumbnails</a></li>
 137 END
 138         if [[ ! -z $previouspage ]]; then
 139                 $ECHOCOMMAND "<li><a href='${previouspage}'>Previous</a></li>"
 140         else
 141                 $ECHOCOMMAND "<li>Previous</li>"
 142         fi
 143
 144         if [[ ! -z $nextpage ]]; then
 145                 $ECHOCOMMAND "<li><a href='${nextpage}'>Next</a></li>"
 146         else
 147                 $ECHOCOMMAND "<li>Next</li>"
 148         fi
 149 cat <<END
 150         </ul>
 151 </div>
 152 <div class="mainimage">
 153         ${linkstart}<img src="${filename}" alt="${caption}" />${linkend}
 154 </div>
 155 END
 156         $BPGALLERY_TAIL_FUNCTION
 157 }
 158
 159 declare -rf bpgallery_default_page
 160
 161 function bpgallery_escape_url() {
 162         temp=$1
 163         temp=${temp//\%/%25}
 164         temp=${temp//:/%3A}
 165         temp=${temp//;/%3B}
 166         temp=${temp// /%20}
 167         temp=${temp//$/%24}
 168         temp=${temp//&/%26}
 169         temp=${temp//+/%2B}
 170         temp=${temp//,/%2C}
 171         temp=${temp//\//%2F}
 172         temp=${temp//=/%3D}
 173         temp=${temp//\?/%3F}
 174         temp=${temp//@/%40}
 175         temp=${temp//\"/%22}
 176         $ECHOCOMMAND $temp
 177 }
 178
 179 function bpgallery_cleanup_directory_name() {
 180         temp=$1
 181         temp=${temp//\%/_}
 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         $ECHOCOMMAND $temp
 195 }
 196
 197 declare -rf bpgallery_escape_url
 198
 199 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 200         declare -r BPGALLERY_THEME
 201 fi
 202
 203 if [[ ! -z ${TITLE} ]] ; then
 204         declare -r TITLE
 205 fi
 206
 207 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 208         . /usr/local/etc/bpgallery/config 2>/dev/null
 209 fi
 210
 211 if [[ -e /etc/bpgallery/config ]] ; then
 212         . /etc/bpgallery/config 2>/dev/null
 213 fi
 214
 215 if [[ -e $HOME/.bpgallery.rc ]]; then
 216         . $HOME/.bpgallery.rc 2>/dev/null
 217 fi
 218
 219 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 220         . $1/.bpgallery.rc 2>/dev/null
 221 fi
 222
 223 if [[ -z ${BPGALLERY_THEME} ]]; then
 224         BPGALLERY_THEME=default
 225 fi
 226
 227 if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
 228         [[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
 229         . ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
 230 elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 231         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 232 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 233         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 234 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 235         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 236 fi
 237
 238 if [[ -z $TITLE ]]; then
 239         TITLE="Photo Gallery"
 240 fi
 241
 242 if [[ -z $CONVERTTOOL ]]; then
 243         hash convert
 244         if [[ $? != 0 ]]; then
 245                 echo "Can't find convert, exiting"
 246                 exit 3
 247         fi
 248         CONVERTTOOL=$(hash -t convert)
 249 else
 250         if [[ ! -x $CONVERTTOOL ]]; then
 251                 echo "Can't find convert at location $CONVERTTOOL, exiting"
 252                 exit 3
 253         fi
 254 fi
 255
 256 if [[ -z $FINDCOMMAND ]]; then
 257         hash find
 258         if [[ $? != 0 ]]; then
 259                 echo "Can't find find, exiting"
 260                 exit 3
 261         fi
 262         FINDCOMMAND=$(hash -t find)
 263 else
 264         if [[ ! -x $FINDCOMMAND ]]; then
 265                 echo "Can't find find at $FINDCOMMAND, exiting"
 266                 exit 3
 267         fi
 268 fi
 269
 270 if [[ -z $XARGSCOMMAND ]]; then
 271         hash xargs
 272         if [[ $? != 0 ]]; then
 273                 echo "Can't find xargs, exiting"
 274                 exit 3
 275         fi
 276         XARGSCOMMAND=$(hash -t xargs)
 277 else
 278         if [[ ! -x $XARGSCOMMAND ]]; then
 279                 echo "Can't find xargs at $XARGSCOMMAND, exiting"
 280                 exit 3
 281         fi
 282 fi
 283
 284 if [[ -z $ECHOCOMMAND ]]; then
 285         ECHOCOMMAND=echo
 286 else
 287         if [[ ! -x $ECHOCOMMAND ]]; then
 288                 echo "Can't find echo at $ECHOCOMMAND, exiting"
 289                 exit 3
 290         fi
 291 fi
 292
 293 if [[ -z $SORTCOMMAND ]]; then
 294         hash sort
 295         if [[ $? != 0 ]]; then
 296                 echo "Can't find sort, exiting"
 297                 exit 3
 298         fi
 299         SORTCOMMAND=$(hash -t sort)
 300 else
 301         if [[ ! -x $SORTCOMMAND ]]; then
 302                 echo "Can't find sort, exiting"
 303                 exit 3
 304         fi
 305 fi
 306
 307 if [[ -z $IDENTIFYCOMMAND ]]; then
 308         hash identify
 309         if [[ $? != 0 ]]; then
 310                 echo "Can't find indentify, exiting"
 311                 exit 3
 312         fi
 313         IDENTIFYCOMMAND=$(hash -t identify)
 314 else
 315         if [[ ! -x $IDENTIFYCOMMAND ]]; then
 316                 echo "Can't find identify at $IDENTIFYCOMMAND, exiting"
 317                 exit 3
 318         fi
 319 fi
 320
 321 if [[ -z $HEADCOMMAND ]]; then
 322         hash head
 323         if [[ $? != 0 ]]; then
 324                 echo "Can't find head, exiting"
 325                 exit 3
 326         fi
 327         HEADCOMMAND=$(hash -t head)
 328 else
 329         if [[ ! -x $HEADCOMMAND ]]; then
 330                 echo "Can't find head at $HEADCOMMAND, exiting"
 331                 exit 3
 332         fi
 333 fi
 334
 335 if [[ -z $GREPCOMMAND ]]; then
 336         hash grep
 337         if [[ $? != 0 ]]; then
 338                 echo "Can't find grep, exiting"
 339                 exit 3
 340         fi
 341         GREPCOMMAND=$(hash -t grep)
 342 else
 343         if [[ ! -x $GREPCOMMAND ]]; then
 344                 echo "Can't find grep at $GREPCOMMAND, exiting"
 345                 exit 3
 346         fi
 347 fi
 348
 349 if [[ -z $SEDCOMMAND ]]; then
 350         hash sed
 351         if [[ $? != 0 ]]; then
 352                 echo "Can't find sed, exiting"
 353                 exit 3
 354         fi
 355         SEDCOMMAND=$(hash -t sed)
 356 else
 357         if [[ ! -x $SEDCOMMAND ]]; then
 358                 echo "Can't find sed at $SEDCOMMAND, exiting"
 359                 exit 3
 360         fi
 361 fi
 362
 363 if [[ -z $WCCOMMAND ]]; then
 364         hash wc
 365         if [[ $? != 0 ]]; then
 366                 echo "Can't find wc, exiting"
 367                 exit 3
 368         fi
 369         WCCOMMAND=$(hash -t wc)
 370         WCCOMMAND="$WCCOMMAND -l"
 371 else
 372         if [[ ! -x $WCCOMMAND ]]; then
 373                 echo "Can't find wc at $WCCOMMAND, exiting"
 374                 exit 3
 375         fi
 376         WCCOMMAND="$WCCOMMAND -l"
 377 fi
 378
 379 if [[ -z $WIDTH ]]; then
 380         WIDTH=100
 381 fi
 382
 383 if [[ -z $IMAGEEXTENSIONS ]]; then
 384         IMAGEEXTENSIONS="jpeg jpg gif png";
 385 fi
 386
 387 if [[ -z $CAPTIONHEIGHT ]]; then
 388         CAPTIONHEIGHT=75
 389 fi
 390
 391 if [[ -z $OUTPUTHTML ]]; then
 392         OUTPUTHTML=0
 393 fi
 394
 395 if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
 396         GENERATEPAGESFORFULLSIZE=0
 397 fi
 398
 399 if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
 400         GENERATEPAGESFORMEDIUMSIZE=1
 401 fi
 402
 403 if [[ -z $PAGESDIRECTORY ]]; then
 404         PAGESDIRECTORY=""
 405 else
 406         removetrailingslashes=${PAGESDIRECTORY%/}
 407         temp=$removetrailingslashes
 408         while [[ $removetrailingslashes != $temp ]]; do
 409                 temp=$removetrailingslashes
 410                 removetrailingslashes=${temp%/}
 411         done
 412         PAGESDIRECTORY=$(bpgallery_escape_url "${PAGESDIRECTORY}")
 413 fi
 414
 415 if [[ -z $MEDIUMWIDTH ]]; then
 416         MEDIUMWIDTH=400
 417 fi
 418
 419 if [[ -z $INDEXDOCUMENT ]]; then
 420         INDEXDOCUMENT=index.html
 421 fi
 422
 423 if [[ -z $MEDIUMDIRECTORY ]]; then
 424         MEDIUMDIRECTORY=medium
 425 else
 426         # Strip out anything that might be broken
 427         MEDIUMDIRECTORY=$(bpgallery_cleanup_directory_name "$MEDIUMDIRECTORY")
 428 fi
 429
 430 if [[ -z $ICONSDIRECTORY ]]; then
 431         ICONSDIRECTORY=icons
 432 else
 433         # Strip out anything that might be broken
 434         ICONSDIRECTORY=$(bpgallery_cleanup_directory_name "$ICONSDIRECTORY")
 435 fi
 436
 437 if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 438         BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 439 else
 440         BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 441 fi
 442
 443 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 444         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 445 else
 446         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 447 fi
 448
 449 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 450         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 451 else
 452         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 453 fi
 454
 455 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 456         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 457 else
 458         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 459 fi
 460
 461 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 462         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 463 else
 464         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 465 fi
 466
 467 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 468         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 469 else
 470         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 471 fi
 472
 473 FINDIMAGESOPTIONS=""
 474
 475 for imageext in $IMAGEEXTENSIONS; do
 476         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 477 done
 478
 479 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 480 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 481
 482 function usage() {
 483 cat <<END
 484 Usage:
 485   $0 [--help|--version|<path to images>]
 486
 487     --help
 488         displays this help screen
 489     --version
 490         displays the version and exits
 491
 492 This can also takes some environment variables, these will use defaults if not
 493 set.
 494
 495         TITLE
 496             the title of the gallery
 497
 498         WIDTH
 499             the width to make the icons
 500
 501         MEDIUMWIDTH
 502             set the width of images in the medium size pages
 503
 504         BPGALLERY_THEME
 505             set the theme to use (described below)
 506
 507         BPGALLERY_THEME_DIR
 508             set an extra location to look for themes
 509
 510         OUTPUTHTML
 511             sets the script output to be wrapped in a <pre> block
 512
 513         GENERATEPAGESFORMEDIUMSIZE
 514             generate medium sized images and pages
 515
 516         GENERATEPAGESFORFULLSIZE
 517             decide wether to generate pages for the full size images or not
 518
 519         INDEXDOCUMENT
 520             name of the index page (e.g. index.html)
 521
 522 Example:
 523         TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 524 END
 525 }
 526
 527 function version() {
 528 cat <<END
 529 Version: $VERSION
 530 END
 531 }
 532
 533 function generate_resized_images() {
 534         $ECHOCOMMAND "Generating $2"
 535         currentimage=0
 536         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 537         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "$2/$filename" ] || [ "$filename" -nt "$2/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
 538
 539         if [ $totalimages -eq 0 ]; then
 540                 # might as well exit at this point - there are no pictures
 541                 $ECHOCOMMAND "No images for the gallery - exiting."
 542                 exit 64
 543         else
 544                 # check if the directory exists and create it other wise
 545                 if [ ! -d $2 ]; then
 546                         mkdir $2
 547                 fi
 548
 549                 if [ ! -w $2 ]; then
 550                         $ECHOCOMMAND "Can't write to $2 directory, exiting"
 551                         exit 16
 552                 fi
 553         fi
 554
 555         if [ $totalimages -eq $imagestoupdate ]; then
 556                 $ECHOCOMMAND "Regenerating all $2"
 557         elif [ $imagestoupdate -eq 0 ]; then
 558                 $ECHOCOMMAND "No Updated $2, not regenerating"
 559                 return
 560         else
 561                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 562         fi
 563
 564         $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "$2/$tempfilename" ] || [ "$tempfilename" -nt "$2/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
 565         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 566         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 567 }
 568
 569 function generate_thumbs() {
 570         if [[ ! -z $HEIGHT ]]; then
 571                 generate_resized_images "${WIDTH}x${HEIGHT}" $ICONSDIRECTORY
 572         else
 573         generate_resized_images $WIDTH $ICONSDIRECTORY
 574         fi
 575 }
 576
 577 function generate_medium() {
 578         if [[ ! -z $MEDIUMHEIGHT ]]; then
 579                 generate_resized_images "${WIDTH}x${HEIGHT}" $MEDIUMDIRECTORY
 580         else
 581                 generate_resized_images $MEDIUMWIDTH $MEDIUMDIRECTORY
 582         fi
 583 }
 584
 585 function generate_pages() {
 586         $ECHOCOMMAND "Generating Pages"
 587         previouspage=""
 588         currentpage=""
 589         nextpage=""
 590         previousimage=""
 591         currentimage=""
 592         nextimage=""
 593         extra=""
 594         extradir=""
 595         addlinks=0
 596
 597         if [ ! -z $1 ]; then
 598                 extra=$1
 599         fi
 600
 601         if [ ! -z $2 ]; then
 602                 extradir=$2/
 603                 addlinks=1
 604         fi
 605
 606         if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 607                 addlinks=2
 608         fi
 609
 610         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 611         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 612         $SORTCOMMAND -g | \
 613         while read imagefilename; do
 614                 previousimage=$currentimage
 615                 currentimage=$nextimage
 616                 nextimage=${imagefilename#./}
 617                 addlink=""
 618
 619                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 620                         if [[ $addlinks == 1 ]]; then
 621                                 addlink=${currentimage}.html
 622                         else
 623                                 addlink=${currentimage}${extra}.html
 624                         fi
 625                 else
 626                         addlink=${currentimage}
 627                 fi
 628
 629                 previouspage=$currentpage
 630                 currentpage=$nextpage
 631                 if [[ $addlinks == 1 ]]; then
 632                         nextpage=${nextimage}${extra}.html
 633                 else
 634                         nextpage=${nextimage}.html
 635                 fi
 636
 637                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 638                         filename=../${extradir}${currentimage}
 639                 else
 640                         filename=${extradir}${currentimage}
 641                 fi
 642                 if [ "x$currentpage" != "x" ]; then
 643                         generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 644                 fi
 645                 $ECHOCOMMAND $nextimage
 646         done | tail -n 2 | (
 647                 read previouspage
 648                 read currentpage
 649                 addlink=""
 650
 651                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 652                         if [[ $addlinks == 1 ]]; then
 653                                 addlink=${currentpage}.html
 654                         else
 655                                 addlink=${currentpage}${extra}.html
 656                         fi
 657                 else
 658                         addlink=${currentpage}
 659                 fi
 660
 661                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 662                         filename=../${extradir}${currentpage}
 663                 else
 664                         filename=${extradir}${currentpage}
 665                 fi
 666                 if [[ $addlinks == 1 ]]; then
 667                         currentpage=${currentpage}${extra}.html
 668                         previouspage=${previouspage}${extra}.html
 669                 else
 670                         currentpage=${currentpage}.html
 671                         previouspage=${previouspage}.html
 672                 fi
 673                 nextpage=""
 674                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 675         )
 676 }
 677
 678 function generate_medium_pages() {
 679         generate_pages __${MEDIUMDIRECTORY} ${MEDIUMDIRECTORY}
 680 }
 681
 682 function generate_general_page() {
 683
 684         if [[ -z $1 ]]; then
 685                 previouspage=""
 686         fi
 687
 688         if [[ -z $2 ]]; then
 689                 currentpage=""
 690                 return
 691         fi
 692
 693         if [[ -z $3 ]]; then
 694                 nextpage=""
 695         fi
 696
 697         if [[ ! -z $4 ]]; then
 698                 linklocation=$4
 699         fi
 700
 701         if [ -r captions.txt ]; then
 702                 imagefilename=${filename##*/}
 703                 caption=$($GREPCOMMAND -E "^${imagefilename}    " captions.txt); caption=${caption#*    }
 704         else
 705                 caption=""
 706         fi
 707
 708         $BPGALLERY_PAGE_FUNCTION > "${UNIXPAGESDIRECTORY}$currentpage"
 709 }
 710
 711 if [[ $OUTPUTHTML != 0 ]]; then
 712         $ECHOCOMMAND "<pre>"
 713 fi
 714
 715 if [[ -z $1 ]]; then
 716         $ECHOCOMMAND "No path given"
 717         usage
 718         exit 1
 719 fi
 720
 721 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 722         usage
 723         exit 0
 724 fi
 725
 726 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 727         version
 728         exit 0
 729 fi
 730
 731 if [[ ! -d $1 ]]; then
 732         $ECHOCOMMAND "$1 is not a directory"
 733         usage
 734         exit 2
 735 fi
 736
 737 cd "$1"
 738
 739 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 740         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 741         exit 4
 742 fi
 743
 744 if [ ! -w . ]; then
 745         $ECHOCOMMAND "Can't write to images directory, exiting"
 746         exit 8
 747 fi
 748
 749 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 750         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 751         exit 8
 752 fi
 753
 754 if [ -e style.css ] && [ ! -w style.css ]; then
 755         $ECHOCOMMAND "Can't write style.css, exiting"
 756         exit 8
 757 fi
 758
 759 generate_thumbs
 760
 761 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 762         if [ ! -d $PAGESDIRECTORY ]; then
 763                 mkdir -p $PAGESDIRECTORY
 764         fi
 765
 766         if [ ! -w $PAGESDIRECTORY ]; then
 767                 $ECHOCOMMAND "Can't write to $PAGESDIRECTORY directory, exiting"
 768                 exit 16
 769         fi
 770         UNIXPAGESDIRECTORY=$PAGESDIRECTORY/
 771         PAGESDIRECTORY=$(bpgallery_escape_url $PAGESDIRECTORY)/
 772
 773         BASEURL="../"
 774 else
 775         BASEURL=""
 776         UNIXPAGESDIRECTORY=""
 777 fi
 778
 779 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 780         generate_medium
 781         generate_medium_pages
 782 fi
 783
 784 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 785         if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 786                 generate_pages __${MEDIUMDIRECTORY}
 787         else
 788                 generate_pages
 789         fi
 790 fi
 791
 792 if [ -r description.txt ] ; then
 793         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 794 else
 795         DESCRIPTION=""
 796 fi
 797
 798 BASEURL=""
 799
 800 $ECHOCOMMAND "Starting to generate page"
 801
 802 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 803 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 804
 805 $ECHOCOMMAND "Adding Captions"
 806
 807 extra=""
 808 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 809         extra=__${MEDIUMDIRECTORY}
 810 fi
 811
 812 $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}
 813
 814 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 815
 816 $ECHOCOMMAND "Finished generating the page"
 817 $ECHOCOMMAND "Generating stylesheet"
 818 cd $ICONSDIRECTORY
 819
 820 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 821 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 822
 823 cd ..
 824
 825 # add a bit to the maxheight for the size of the caption
 826 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 827
 828 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 829
 830 $ECHOCOMMAND "All done"
 831
 832 if [[ $OUTPUTHTML != 0 ]]; then
 833         $ECHOCOMMAND "</pre>"
 834 fi