--- /dev/null
+#!/bin/bash
+
+#
+# Copyright (c) 2015-2017 Samuel Thibault <samuel.thibault@ens-lyon.org>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+# Make sure we have enough options
+if [ $# != 5 -a $# != 6 ]; then
+ echo "ERROR: $0 jobid user name nb options [filename]" >&2
+ exit 1
+fi
+
+NB=$4
+OPTIONS=$5
+FILE=$6
+
+. @CUPS_DATADIR@/braille/cups-braille.sh
+
+shopt -s extglob
+
+# Construct list of pages from PAGERANGES
+
+PAGES=" " # Explicit list of pages
+AFTER= # All pages including and after this
+BEFORE= # All pages before and including this
+
+while [ -n "${PAGERANGES}" ]
+do
+ PAGERANGE=${PAGERANGES/,*}
+ PAGERANGE=${PAGERANGE%%*( )}
+ PAGERANGE=${PAGERANGE##*( )}
+ if [ -n "${PAGERANGES/*,*}" ]
+ then
+ # last range
+ PAGERANGES=""
+ else
+ # Remove leading range
+ PAGERANGES="${PAGERANGES#*,}"
+ fi
+
+ if [ -n "${PAGERANGE/*-*}" ]
+ then
+ # single-page
+ PAGES="$PAGES$PAGERANGE "
+
+ elif [ -z "${PAGERANGE%%*-}" ]
+ then
+ # To the end
+ FIRST=${PAGERANGE%%-*}
+ if [ -z "$AFTER" ] || [ "$FIRST" -lt "$AFTER" ]
+ then
+ AFTER="$FIRST"
+ fi
+
+ elif [ -z "${PAGERANGE##-*}" ]
+ then
+ # From the beginning
+ LAST=${PAGERANGE##*-}
+ if [ -z "$BEFORE" ] || [ "$LAST" -gt "$BEFORE" ]
+ then
+ BEFORE="$LAST"
+ fi
+
+ else
+ # page range
+ FIRST=${PAGERANGE/-*}
+ LAST=${PAGERANGE/*-}
+ PAGES="$PAGES$(seq "$FIRST" "$LAST" | tr $'\012' ' ')"
+
+ fi
+done
+
+# Determine whether to print this page
+doprint() {
+ PAGE="$1"
+ if [ -n "$BEFORE" ] && [ "$PAGE" -le "$BEFORE" ]
+ then
+ echo 1
+ return
+ elif [ -n "$AFTER" ] && [ "$PAGE" -ge "$AFTER" ]
+ then
+ echo 1
+ return
+ fi
+ case "$PAGES" in
+ *\ $PAGE\ *)
+ echo 1
+ return
+ ;;
+ esac
+ echo 0
+}
+
+if [ -z "$FILE" ]
+then
+ cat
+else
+ cat "$FILE"
+fi | (
+ P=1
+ DOPRINT=$(doprint $P)
+ while IFS=$'\n' read -r LINE
+ do
+ while [ -z "${LINE/*$'\014'*}" ]
+ do
+ # Possibly print before FF
+ HEAD=${LINE%%$'\014'*}
+ [ $DOPRINT == 0 ] || printf %s "$HEAD"$'\014'
+
+ # Next page
+ P=$(($P + 1))
+ DOPRINT=$(doprint $P)
+
+ # Drop head of line
+ LINE=${LINE#*$'\014'}
+ done
+
+ # Remainder of line
+ [ $DOPRINT == 0 ] || printf "%s\n" "$LINE"
+ done
+)
+
+echo "INFO: Ready" >&2
+exit 0
projects / thirdparty / cups-filters.git / commitdiff
