1 #!/bin/bash 2 ## 3 ## Copyright (c) 2010 The WebM project authors. All Rights Reserved. 4 ## 5 ## Use of this source code is governed by a BSD-style license 6 ## that can be found in the LICENSE file in the root of the source 7 ## tree. An additional intellectual property rights grant can be found 8 ## in the file PATENTS. All contributing project authors may 9 ## be found in the AUTHORS file in the root of the source tree. 10 ## 11 12 13 # gen_example_code.sh 14 15 self=$0 16 17 die_usage() { 18 echo "Usage: $self <example.txt>" 19 exit 1 20 } 21 22 die() { 23 echo "$@" 24 exit 1 25 } 26 27 include_block() { 28 show_bar=$1 29 block_name=${line##*@} 30 indent=${line%%${block_name}} 31 indent=${#indent} 32 [ $indent -eq 1 ] && indent=0 33 local on_block 34 while IFS=$'\n' read -r t_line; do 35 case "$t_line" in 36 \~*\ ${block_name}) 37 if [ "x$on_block" == "xyes" ]; then 38 return 0; 39 else 40 on_block=yes 41 fi 42 ;; 43 @DEFAULT) 44 if [ "x$on_block" == "xyes" ]; then 45 include_block $show_bar < "${template%.c}.txt" 46 return 0 47 fi 48 ;; 49 *) 50 if [ "x$on_block" == "xyes" ]; then 51 local rem 52 (( rem = 78 - indent )) 53 case "$block_name" in 54 \**) printf "%${indent}s * %s\n" "" "$t_line" ;; 55 *) 56 if [ "$show_bar" == "yes" ]; then 57 printf "%${indent}s%-${rem}s//\n" "" "$t_line" 58 else 59 printf "%${indent}s%s\n" "" "$t_line" 60 fi 61 ;; 62 esac 63 fi 64 esac 65 done 66 return 1 67 } 68 69 txt=$1 70 [ -f "$txt" ] || die_usage 71 read -r template < "$txt" 72 case "$template" in 73 @TEMPLATE*) template=${txt%/*}/${template##@TEMPLATE } ;; 74 *) die "Failed to parse template name from '$template'" ;; 75 esac 76 77 while IFS=$'\n' read -r line; do 78 case "$line" in 79 @*) include_block yes < "$txt" \ 80 || include_block < "${template%.c}.txt" \ 81 #|| echo "WARNING: failed to find text for block $block_name" >&2 82 ;; 83 *) echo "$line" ;; 84 esac 85 done < "$template" 86
