#! /usr/bin/env bash

# file      : build/meta/vctest
# copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
# license   : GNU GPL v2; see accompanying LICENSE file

# Process VC++ test templates.
#
# Options:
#
# -b <base-dir>
# -r <root-dir>
# -o <output-file>
# -t <template-file>
#
# Arguments:
#
# <solution-files>
#
trap 'exit 1' ERR

function error ()
{
  echo "$*" 1>&2
}

base=
root=
output=
sln=
input=

while [ $# -gt 0 ]; do
  case $1 in
    -b)
      base=$2
      shift 2
      ;;
    -r)
      root=$2
      shift 2
      ;;
    -o)
      output=$2
      shift 2
      ;;
    -t)
      input=$2
      shift 2
      ;;
    *)
      sln="$sln $1"
      shift
      ;;
  esac
done


if [ "$input" = "" ]; then
  error "no template file"
  exit 1
fi

if [ "$base" = "" ]; then
  error "no base directory"
  exit 1
fi

if [ "$root" = "" ]; then
  error "no root directory"
  exit 1
fi

if [ "$output" = "" ]; then
  error "no output file"
  exit 1
fi

if [ "$sln" = "" ]; then
  error "no solution file"
  exit 1
fi


m4=m4
u2d=todos

# Assume this script is never found via PATH.
#
meta=`dirname $0`

build="$meta/.."
install=$build/install/install

# Figure out topdir
#
if [ "$base" = "$root" ]; then
  topdir=.
else
  topdir=`echo $base | sed -e "s%^$root/%%" - | \
sed -e 's%[^/][^/]*/%../%g;s%[^./][^./]*$%..%' -`
fi

#

# Determine possible configurations.
#
for f in $sln; do
  sln_conf=`cat $f | fromdos | sed -n -e \
'/^[ 	]*GlobalSection(SolutionConfigurationPlatforms).*$/{\
: loop;\
n;\
/^[ 	]*EndGlobalSection$/q;\
s/^[ 	]*\([^=]*\) = \([^=]*\)$/\1/p;\
b loop};\
d' -`
  break
done

confs=
plats=
for c in $sln_conf; do
  conf=`echo $c | sed -e 's/^\(.*\)|.*$/\1/'`
  plat=`echo $c | sed -e 's/^.*|\(.*\)$/\1/'`

  confs="$confs $conf"
  plats="$plats $plat"
done

confs=`echo $confs | sed -e 's/ /\n/g' - | sort -u`
plats=`echo $plats | sed -e 's/ /\n/g' - | sort -u`

export topdir
export configurations=$confs
export platforms=$plats

# Make sure the output directory exist.
#
$install -d -m 755 `dirname $output`

$m4 -P -D__meta_base__=$meta $meta/vctest.m4 $input >$output
$u2d $output
chmod 644 $output