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#!/bin/bash
##
## Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
##
## Use of this source code is governed by a BSD-style license
## that can be found in the LICENSE file in the root of the source
## tree. An additional intellectual property rights grant can be found
## in the file PATENTS. All contributing project authors may
## be found in the AUTHORS file in the root of the source tree.
##
# gen_example_text.sh
self=$0
die_usage() {
echo "Usage: $self <example.txt>"
exit 1
}
die() {
echo "$@"
exit 1
}
include_block() {
local on_block
while IFS=$'\n' read -r t_line; do
case "$t_line" in
\~*\ ${block_name})
if [ "x$on_block" == "xyes" ]; then
return 0;
else
on_block=yes
fi
;;
*)
if [ "x$on_block" == "xyes" ]; then
echo "$t_line"
fi
;;
esac
done
echo "WARNING: failed to find text for block $block_name" >&2
return 1
}
txt=$1
[ -f "$txt" ] || die_usage
read -r template < "$txt"
case "$template" in
@TEMPLATE*) template=${txt%/*}/${template##@TEMPLATE } ;;
*) die "Failed to parse template name from '$template'" ;;
esac
fence="~~~~~~~~~"
fence="${fence}${fence}"
fence="${fence}${fence}"
fence="${fence}${fence}"
while IFS=$'\n' read -r line; do
case "$line" in
@TEMPLATE*)
template=${template##@TEMPLATE }
template=${template%.c}.txt
;;
@DEFAULT)
include_block < "$template"
;;
~~~*)
block_name=${line##~* }
[ "$block_name" == "INTRODUCTION" ] || echo "$fence"
;;
*) echo "$line"
;;
esac
done < "$txt"
echo
echo "Putting It All Together"
echo "======================="
echo "${fence}"
${self%/*}/gen_example_code.sh "${txt}"
echo "${fence}"
|
