xgettext-sh

一套客户/服务器模式的备份系统代码,跨平台,支持linux,AIX, IRIX, FreeBSD, Digital Unix (OSF1), Solaris and HP-UX.

#!/bin/sh
################### Start of $RCSfile: xgettext-sh,v $ ##################
#
# $Source: /home/alb/afbackup/afbackup-3.3.8.1/po/RCS/xgettext-sh,v $
# $Id: xgettext-sh,v 1.3 2004/07/08 20:34:43 alb Exp alb $
# $Date: 2004/07/08 20:34:43 $
# $Author: alb $
#
#
####### description ################################################
#
#
#
####################################################################

find_program(){
  for dir in `echo $PATH | tr : " "` ; do
    if [ -x "$dir"/"$1" ] ; then
      echo "$dir"/"$1"
      return 0
    fi
  done

  return 1
}

T_(){
  # simple non-i18n-ed version

  echo "$*"
}

# the solaris' and HP-UX' awk is a piece of shit
for awk in nawk gawk awk ; do
  AWK=`find_program $awk`
  if [ _"$AWK" != _ ] ; then
    break
  fi
done

if [ _"$AWK" = _ ] ; then
  echo `T_ "No awk ? Is this really a lovely UNIX ?"`
  echo `T_ "Sorry. I have to exit."`
  exit 1
fi


EGRPAT="("
SEDPAT="\("
SSEP=""
ESEP=""

ORGFILE="$1"
shift
CONTFILE="$1"
shift

if [ ! -r $ORGFILE ] ; then
  ORGFILE="/dev/null"
fi

FILES=`cat "$CONTFILE" | $AWK '{
        while(substr($0, length($0), 1) == "\\\\"){
                getline line;
                $0 = substr($0, 1, length($0) - 1) line;
        }
        print $0;
}'`


while [ $# -gt 0 ] ; do
  EGRPAT="$EGRPAT$ESEP""$1"
  SEDPAT="$SEDPAT$SSEP""$1"
  shift
  ESEP="|"
  SSEP="\|"
done

EGRPAT="$EGRPAT"")"
SEDPAT="$SEDPAT""\)"

(cat $ORGFILE ; echo '#---#' ; for f in $FILES ; do echo '#-#-# '"$f" ; cat $f ; done) | \
$AWK 'BEGIN{nmsgs = 0; need_orgmsgs = 1; nl = 0;}{
    if(need_orgmsgs){
	if($0 == "#---#"){
		need_orgmsgs = 0;
	}
	else{
		if(substr($0, 1, 7) == "msgid \""){
			msgs[nmsgs] = substr($0, 7);
			nmsgs++;
		}
	}
    }
    else{
	nl++;
	if($1 == "#-#-#"){
		print $0;
		nl = 0;
	}
	while(i = match($0, "'"$EGRPAT"'[ 	]+\"")){
		if(i > 1 && match(substr($0, i - 1, 1), "[a-zA-Z0-9_]") > 0){
			$0 = substr($0, i + 2);
			continue;
		}
		while(substr($0, i, 1) != "\"")
			i++;
		j = i + 1;
		while((c = substr($0, j, 1)) != "\""){
			while(c == ""){
				getline l;
				nl++;
				$0 = $0 "\\n" l;
				j += 2;
				c = substr($0, j, 1);
				if(c == "\""){
					esc = 0;
					j--;
					break;
				}
			}
			if(c == "\\")
				j++;
			j++;
		}

		s = substr($0, i, j + 1 - i);
		if(s != "\"\""){
			havemsg = 0;
			for(i = 0; i < nmsgs; i++){
				if(msgs[i] == s){
					havemsg = 1;
					break;
				}
			}
			if(! havemsg){
				print nl, s;
				msgs[nmsgs] = s;
				nmsgs++;
			}
		}
		$0 = substr($0, j + 1);
	}
    }
}' | $AWK '{
    if($1 == "#-#-#"){
	filename = $2;
    }
    else{
	n = length($1) + 1; 
	while(substr($0, n, 1) == " ")
		n++;
	printf "\n#: %s:%d\n#, sh-format\nmsgid %s\nmsgstr \"\"\n", filename, $1, substr($0, n);
    }
}'