crashpad/doc/generate_asciidoc.sh

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#!/bin/bash
# Copyright 2015 The Crashpad Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -e
# Generating AsciiDoc documentation requires AsciiDoc,
# http://www.methods.co.nz/asciidoc/. For “man” and PDF output, a DocBook
# toolchain including docbook-xml and docbook-xsl is also required.
# Run from the Crashpad project root directory.
cd "$(dirname "${0}")/.."
output_dir=out/doc/man
rm -rf "${output_dir}"
mkdir -p \
"${output_dir}/html" \
"${output_dir}/man"
# Some extensions of command-line tools behave differently on different systems.
# $sed_ext should be a sed invocation that enables extended regular expressions.
# $date_time_t should be a date invocation that causes it to print the date and
# time corresponding to a time_t string that immediately follows it.
uname_s="$(uname -s)"
case "${uname_s}" in
Darwin)
sed_ext="sed -E"
date_time_t="date -r"
;;
Linux)
sed_ext="sed -r"
date_time_t="date -d@"
;;
*)
echo "${0}: unknown operating system" >& 2
exit 1
;;
esac
# Get the version from package.h.
version=$(${sed_ext} -n -e 's/^#define PACKAGE_VERSION "(.*)"$/\1/p' package.h)
for input in \
handler/mac/crashpad_handler.ad \
tools/*.ad \
tools/mac/*.ad; do
echo "${input}"
base=$(${sed_ext} -e 's%^.*/([^/]+)\.ad$%\1%' <<< "${input}")
# Get the last-modified date of $input according to Git, in UTC.
git_time_t="$(git log -1 --format=%at "${input}")"
git_date="$(LC_ALL=C ${date_time_t}"${git_time_t}" -u '+%B %-d, %Y')"
# Create HTML output.
asciidoc \
--attribute mansource=Crashpad \
--attribute manversion="${version}" \
--attribute manmanual="Crashpad Manual" \
--attribute revdate="${git_date}" \
--conf-file doc/asciidoc.conf \
--doctype manpage \
--backend html5 \
--attribute stylesheet="${PWD}/doc/asciidoc.css" \
--out-file "${output_dir}/html/${base}.html" \
"${input}"
# Create “man” output.
#
# AsciiDoc 8.6.9 produces harmless incorrect warnings each time this is run:
# “a2x: WARNING: --destination-dir option is only applicable to HTML based
# outputs”. https://github.com/asciidoc/asciidoc/issues/44
a2x \
--attribute mansource=Crashpad \
--attribute manversion="${version}" \
--attribute manmanual="Crashpad Manual" \
--attribute revdate="${git_date}" \
--asciidoc-opts=--conf-file=doc/asciidoc.conf \
--doctype manpage \
--format manpage \
--destination-dir "${output_dir}/man" \
"${input}"
# For PDF output, use an a2x command like the one above, with these options:
# --format pdf --fop --destination-dir "${output_dir}/pdf"
done