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#!/bin/bash
################################################################################
#
# Copyright (C) 2011 Silvano Chiaradonna (ISTI-CNR)
#
# Macro: delcmdchanges.bash
#
# License:
# This program is free software; you can redistribute
# it and/or modify it under the terms of the
# GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License,
# or (at your option) any later version.
#
# This program is distributed in the hope that it will
# be useful, but WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General
# Public License along with this program; if not,
# write to the Free Software Foundation, Inc., 59
# Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# An on-line copy of the GNU General Public License can
# be downloaded from the FSF web page at:
# http://www.gnu.org/copyleft/gpl.html
#
# Version: 1.0
#
# Purpose:
# This script deletes all changes-commands of the package changes.sty, accepting changes. If option -i is specified you will be prompted to accept or reject changes interactively.
#
# Usage:
# delcmdchanges.bash [-i] [-h] <inputfile> <outputfile>
#
# Requirements:
# linux systems
#
################################################################################
usage()
{
cat << EOF
usage: $0 [options] <inputfile> <outputfile>
This script deletes all changes-commands of the package changes.sty, accepting changes. If option -i is specified you will be prompted to accept or reject changes interactively.
options:
-h show this message
-i interactive mode
EOF
}
#-----------------------MAIN----------------
while getopts ":ih" opt; do
case $opt in
i)
imode="1"
shift
;;
h)
usage
exit
;;
\?)
echo "Invalid option: -$OPTARG" >&2
usage
exit
;;
esac
done
if [ ! -e "$1" ]; then
echo "Input file not found: $1" >&2
exit
fi
INFILE="$1"
OUTFILE="$2"
rm -f "${OUTFILE}"
touch "${OUTFILE}"
awk -v im=${imode} -v fn=${OUTFILE} '
# remove commands (accepting changes):
# \added[<authorid>][<remark>]{<new text>}
# \deleted[<authorid>][<remark>]{<deleted text>}
# \replaced[<authorid>][<remark>]{<new text>}{<old text>}
BEGIN { EOT = SUBSEP }
{ line[NR] = $0 }
END {
do {
buf0 = ""
found = 0
added = 0
deleted = 0
replaced = 0
while (!found && (c = getc()) != EOT) { # parsing commands
buf0 = buf0 c
if( match(buf0, /\\added[[:space:]]*\[[^\]]*\][[:space:]]*\[[^\]]*\][[:space:]]*{/) ||
match(buf0, /\\added[[:space:]]*\[[^\]]*\][[:space:]]*{/) ||
match(buf0, /\\added[[:space:]]*{/) ) { # found command \added[<authorid>][<remark>]{<new text>}
added = 1
found = 1
balance = 1
} else
if( match(buf0, /\\deleted[[:space:]]*\[[^\]]*\][[:space:]]*\[[^\]]*\][[:space:]]*{/) ||
match(buf0, /\\deleted[[:space:]]*\[[^\]]*\][[:space:]]*{/) ||
match(buf0, /\\deleted[[:space:]]*{/) ) { # found command \deleted[<authorid>][<remark>]{<deleted text>}
deleted = 1
found = 1
balance = 1
} else
if( match(buf0, /\\replaced[[:space:]]*\[[^\]]*\][[:space:]]*\[[^\]]*\][[:space:]]*{/) ||
match(buf0, /\\replaced[[:space:]]*\[[^\]]*\][[:space:]]*{/) ||
match(buf0, /\\replaced[[:space:]]*{/) ) { # found command \replaced[<authorid>][<remark>]{<new text>}{<old text>}
replaced = 1
found = 1
balance = 1
}
}
if( RLENGTH == -1 ) # command not found
pbuf0 = buf0
else { # command found
pbuf0 = substr(buf0, 1, RSTART-1)
cmd = substr(buf0, RSTART, RLENGTH) # the command
}
printf("%s", pbuf0) >> fn # print text preceding command
if (c == EOT)
break
buf = ""
if( added ) { # command \added[][]{}
while (found && balance > 0 && (c = getc()) != EOT) # parsing <new text>
buf = buf c # <new text>
cmd = cmd buf # the command
if ( im ) { # interactive mode
printf("\nat line: %d\n%s\n", nr,cmd)
printf("Accept added text, Reject added text, Ignore or Finish accepting changes? [A|r|i|f]")
getline imoderes < "/dev/tty"
if( imoderes != "r" && imoderes != "i" ) { # accept added text
pbuf = substr(buf, 1, length(buf)-1) # remove ending curly brace "}"
printf("%s", pbuf) >> fn # print <new text>
if( imoderes == "f" ) # finish accepting changes
im = 0 # normal mode
} else
if( imoderes == "i" ) # ignore cmd
printf("%s", cmd) >> fn
} else { # accept change
pbuf = substr(buf, 1, length(buf)-1) # remove ending curly brace "}"
printf("%s", pbuf) >> fn # print <new text>
}
} # \added[][]{}
else
if( deleted ) { # command \deleted[][]{}
while (found && balance > 0 && (c = getc()) != EOT) # parsing <deleted text>
buf = buf c # <deleted text> to skip
cmd = cmd buf # the command
if ( im ) { # interactive mode
printf("\nat line: %d\n%s\n", nr,cmd)
printf("Accept to remove text, Reject deletion, Ignore or Finish accepting changes? [A|r|i|f]")
getline imoderes < "/dev/tty"
if( imoderes == "r" ) { # reject deletion
pbuf = substr(buf, 1, length(buf)-1) # remove ending curly brace "}"
printf("%s", pbuf) >> fn # print <deleted text>
} else
if( imoderes == "i" ) # ignore cmd
printf("%s", cmd) >> fn
else # accept changes
if( imoderes == "f" ) # finish accepting changes
im = 0 # normal mode
} # else accept changes
} # \deleted[][]{}
else
if ( replaced ) { # command \replaced[][]{}{}
while (replaced && balance > 0 && (c = getc()) != EOT) # parsing <new text>
buf = buf c # <new text>
cmd = cmd buf # the command
pbufnt = substr(buf, 1, length(buf)-1) # new text
buf = ""
skip=0
while ( !skip && (c = getc()) != EOT ) { # skip first curly brace "{"
buf = buf c
if ( c !~ /[[:space:]]/ )
skip = 1
}
cmd = cmd buf # the command
if ( c != "{" ) { # found "{"
printf("\nOps! Syntax error at line %d of input file: \"%s\"\nPlease fix command \\replaced[][]{}{}: \"{\" is expected.\n\n", nr+1, cmd)
break
}
buf = ""
balance = 1 # reset balance
while (replaced && balance > 0 && (c = getc()) != EOT) # parsing <old text>
buf = buf c # <old text>
cmd = cmd buf # the command
pbufot = substr(buf, 1, length(buf)) # old text
if ( im ) { # interactive mode
printf("\nat line: %d\n%s\n", nr,cmd)
printf("Accept change, Reject change, Ignore or Finish accepting changes? [A|r|i|f]")
getline imoderes < "/dev/tty"
if( imoderes == "r" ) { # reject change
printf("%s", pbufot) >> fn # print <old text>
} else
if( imoderes == "i" ) { # ignore cmd
printf("%s", cmd) >> fn
} else { # accept change
printf("%s", pbufnt) >> fn # print <new text>
if( imoderes == "f" ) # finish accepting changes
im = 0 # normal mode
}
} else { # accept change
printf("%s", pbufnt) >> fn # print <new text>
}
} # \replaced[][]{}{}
} while(c != EOT)
}
function getc()
{
if (!nr) {
nr = 1
nc = 1
}
if (nr > NR)
return EOT
if (nc > length(line[nr])) {
++nr
nc = 1
return "\n"
}
c = substr(line[nr], nc, 1)
++nc
if (c == "{")
++balance
else if (c == "}")
--balance
if (balance < 0)
balance = 0
return c
} ' "${INFILE}"
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