| #!/bin/bash |
| ## |
| ## Copyright (c) 2014 The WebM 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. |
| ## |
| |
| shell_name="$(uname -o 2>/dev/null)" |
| if [[ "$shell_name" = "Cygwin" || "$shell_name" = "Msys" ]] \ |
| && cygpath --help >/dev/null 2>&1; then |
| FIXPATH='cygpath -m' |
| else |
| FIXPATH='echo_path' |
| fi |
| |
| die() { |
| echo "${self_basename}: $@" >&2 |
| exit 1 |
| } |
| |
| die_unknown(){ |
| echo "Unknown option \"$1\"." >&2 |
| echo "See ${self_basename} --help for available options." >&2 |
| exit 1 |
| } |
| |
| echo_path() { |
| for path; do |
| echo "$path" |
| done |
| } |
| |
| # Output one, possibly changed based on the system, path per line. |
| fix_path() { |
| $FIXPATH "$@" |
| } |
| |
| # Corrects the paths in file_list in one pass for efficiency. |
| # $1 is the name of the array to be modified. |
| fix_file_list() { |
| if [ "${FIXPATH}" = "echo_path" ] ; then |
| # When used with echo_path, fix_file_list is a no-op. Avoid warning about |
| # unsupported 'declare -n' when it is not important. |
| return 0 |
| elif [ "${BASH_VERSINFO}" -lt 4 ] ; then |
| echo "Cygwin path conversion has failed. Please use a version of bash" |
| echo "which supports nameref (-n), introduced in bash 4.3" |
| return 1 |
| fi |
| declare -n array_ref=$1 |
| files=$(fix_path "${array_ref[@]}") |
| local IFS=$'\n' |
| array_ref=($files) |
| } |
| |
| generate_uuid() { |
| local hex="0123456789ABCDEF" |
| local i |
| local uuid="" |
| local j |
| #93995380-89BD-4b04-88EB-625FBE52EBFB |
| for ((i=0; i<32; i++)); do |
| (( j = $RANDOM % 16 )) |
| uuid="${uuid}${hex:$j:1}" |
| done |
| echo "${uuid:0:8}-${uuid:8:4}-${uuid:12:4}-${uuid:16:4}-${uuid:20:12}" |
| } |
| |
| indent1=" " |
| indent="" |
| indent_push() { |
| indent="${indent}${indent1}" |
| } |
| indent_pop() { |
| indent="${indent%${indent1}}" |
| } |
| |
| tag_attributes() { |
| for opt in "$@"; do |
| optval="${opt#*=}" |
| [ -n "${optval}" ] || |
| die "Missing attribute value in '$opt' while generating $tag tag" |
| echo "${indent}${opt%%=*}=\"${optval}\"" |
| done |
| } |
| |
| open_tag() { |
| local tag=$1 |
| shift |
| if [ $# -ne 0 ]; then |
| echo "${indent}<${tag}" |
| indent_push |
| tag_attributes "$@" |
| echo "${indent}>" |
| else |
| echo "${indent}<${tag}>" |
| indent_push |
| fi |
| } |
| |
| close_tag() { |
| local tag=$1 |
| indent_pop |
| echo "${indent}</${tag}>" |
| } |
| |
| tag() { |
| local tag=$1 |
| shift |
| if [ $# -ne 0 ]; then |
| echo "${indent}<${tag}" |
| indent_push |
| tag_attributes "$@" |
| indent_pop |
| echo "${indent}/>" |
| else |
| echo "${indent}<${tag}/>" |
| fi |
| } |
| |