Clean up thumbnail generation code

[bpgallery.git] / bpgallery.sh

diff --git a/bpgallery.sh b/bpgallery.sh
index 61172310fbc08b96e092729aa513787e8a90f60b..abcfafa70a027a92d62e8a35c167adfce4b1e293 100755 (executable)
--- a/bpgallery.sh
+++ b/bpgallery.sh
@@ -19,7 +19,7 @@
 
 set -f
 
-VERSION="1.0.0+arch"
+VERSION="1.0.1+arch"
 
 function bpgallery_default_head() {
 cat <<END
@@ -46,8 +46,13 @@ END
 declare -rf bpgallery_default_description
 
 function bpgallery_default_thumbsline() {
+if [[ -z $caption ]]; then
+       caption_alt=Unknown
+else
+       caption_alt=$caption
+fi
 cat << END
-<div class="thumbnail"><a href="$filename"><img src="icons/$filename" /></a><div class="caption">$caption</div></div>
+<div class="thumbnail"><a href="$filename"><img src="icons/$filename" alt="$caption_alt" /></a><div class="caption">$caption</div></div>
 END
 }
 
@@ -97,6 +102,26 @@ END
 
 declare -rf bpgallery_default_stylesheet
 
+function bpgallery_escape_url() {
+       temp=$1
+       temp=${temp//\%/%25}
+       temp=${temp//:/%3A}
+       temp=${temp//;/%3B}
+       temp=${temp// /%20}
+       temp=${temp//$/%24}
+       temp=${temp//&/%26}
+       temp=${temp//+/%2B}
+       temp=${temp//,/%2C}
+       temp=${temp//\//%2F}
+       temp=${temp//=/%3D}
+       temp=${temp//\?/%3F}
+       temp=${temp//@/%40}
+       temp=${temp//\"/%22}
+       $ECHOCOMMAND $temp
+}
+
+declare -rf bpgallery_escape_url
+
 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
        declare -r BPGALLERY_THEME
 fi
@@ -218,10 +243,11 @@ fi
 FINDIMAGESOPTIONS=""
 
 for imageext in $IMAGEEXTENSIONS; do
-       FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -maxdepth 1 -iname '*.$imageext' -print0'
+       FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 done
 
 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
+FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 
 function usage() {
 cat <<END
@@ -242,8 +268,28 @@ Version: $VERSION
 END
 }
 
+function generate_thumbs() {
+       $ECHOCOMMAND "Generating Thumbnails"
+       currentimage=0
+       totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | $WCCOMMAND);
+       imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "icons/$filename") -ne $WIDTH ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
+       
+       if [ $totalimages -eq $imagestoupdate ]; then
+               $ECHOCOMMAND "Regenerating all thumbnails"
+       elif [ $imagestoupdate -eq 0 ]; then
+               $ECHOCOMMAND "No Updated Thumbs, not regenerating"
+               return
+       else
+               $ECHOCOMMAND "Generating $imagestoupdate of $totalimages thumbnails"
+       fi
+       
+       $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "icons/$tempfilename" ] || [ "$tempfilename" -nt "icons/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "icons/$filename") -ne $WIDTH ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
+       $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
+       $ECHOCOMMAND "Completed generating thumbs for $totalimages images"
+}
+
 if [[ -z $1 ]]; then
-       echo "No path given"
+       $ECHOCOMMAND "No path given"
        usage
        exit 1
 fi
@@ -259,7 +305,7 @@ if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 fi
 
 if [[ ! -d $1 ]]; then
-       echo "$1 is not a directory"
+       $ECHOCOMMAND "$1 is not a directory"
        usage
        exit 2
 fi
@@ -267,33 +313,16 @@ fi
 cd "$1"
 
 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
-       echo "$1 does not contain any images. Quitting."
+       $ECHOCOMMAND "$1 does not contain any images. Quitting."
        exit 4
 fi
 
 if [ ! -d icons ]; then
        mkdir icons
-
-       totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace echo {} | $WCCOMMAND);
-       currentimage=0
-       
-       $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$totalimages images; currentimage=$((currentimage+1)); done
-       
-       echo done: $totalimages/$totalimages images
-else
-       echo "$1 already contains an icons folder, updating."
-
-       imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
-
-       echo "images to update: $imagestoupdate"
-       
-       
-       currentimage=0
-
-       $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ] ; then $ECHOCOMMAND $filename; fi; done | $XARGSCOMMAND --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
-       echo done: $imagestoupdate/$imagestoupdate images
 fi
 
+generate_thumbs
+
 if [ -r description.txt ] ; then
        DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 else
@@ -304,7 +333,7 @@ fi
 $BPGALLERY_HEAD_FUNCTION > index.html
 $BPGALLERY_DESCRIPTION_FUNCTION >> index.html
 
-$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} |$SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename  " captions.txt); caption=${caption#*    }; else caption=""; fi; $BPGALLERY_THUMBSLINE_FUNCTION; done >> index.html
+$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} |$SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename  " captions.txt); caption=${caption#*    }; else caption=""; fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> index.html
 
 $BPGALLERY_TAIL_FUNCTION >> index.html