#! /bin/sh

# Test checking of Perl brace format strings.

tmpfiles=""
trap 'rm -fr $tmpfiles' 1 2 3 15

tmpfiles="$tmpfiles f-pb-2.data"
cat <<\EOF > f-pb-2.data
# Valid: same named arguments
msgid  "abc{date}{time}"
msgstr "xyz{date}{time}"
# Valid: permutation
msgid  "abc{x3}{x1}{x2}def"
msgstr "xyz{x2}{x1}{x3}"
# Invalid: missing argument
msgid  "abc{x2}def{x1}"
msgstr "xyz{x1}"
# Invalid: missing argument
msgid  "abc{x1}def{x2}"
msgstr "xyz{x2}"
# Valid: added argument (valid since "{zoo}" expands to itself)
msgid  "abc{foo}def"
msgstr "xyz{foo}uvw{zoo}"
# Valid: multiple reuse of same argument
msgid  "{foo} {bar} {baz}"
msgstr "{baz} {bar} {foo} {bar}"
# Valid: single reuse of same argument
msgid  "{baz} {bar} {foo} {bar}"
msgstr "{foo} {bar} {baz}"
EOF

: ${MSGFMT=msgfmt}
n=0
while read comment; do
  read msgid_line
  read msgstr_line
  n=`expr $n + 1`
  tmpfiles="$tmpfiles f-pb-2-$n.po f-pb-2-$n.mo"
  cat <<EOF > f-pb-2-$n.po
#, perl-brace-format
${msgid_line}
${msgstr_line}
EOF
  fail=
  if echo "$comment" | grep 'Valid:' > /dev/null; then
    if ${MSGFMT} --check-format -o f-pb-2-$n.mo f-pb-2-$n.po; then
      :
    else
      fail=yes
    fi
  else
    ${MSGFMT} --check-format -o f-pb-2-$n.mo f-pb-2-$n.po 2> /dev/null
    if test $? = 1; then
      :
    else
      fail=yes
    fi
  fi
  if test -n "$fail"; then
    echo "Format string checking error:" 1>&2
    cat f-pb-2-$n.po 1>&2
    exit 1
  fi
  rm -f f-pb-2-$n.po f-pb-2-$n.mo
done < f-pb-2.data

rm -fr $tmpfiles

exit 0
