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#!/bin/sh
#
#############################################################################
#
# Updates the Doxygen generated documentation files in the source tree.
# If the doxygen command is not installed, it will exit with an error.
# This script can generate Doxygen documentation for all source files or for
# just liblzma API header files.
#
# It is recommended to use this script to update the Doxygen-generated HTML
# files since this will include the package version in the output and,
# in case of liblzma API docs, strip JavaScript files from the output.
#
#############################################################################
#
# Authors: Jia Tan
# Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
#############################################################################
set -e
if type doxygen > /dev/null 2>&1; then
:
else
echo "doxygen/update-doxygen: 'doxygen' command not found." >&2
echo "doxygen/update-doxygen: Skipping Doxygen docs generation." >&2
exit 1
fi
if test ! -f Doxyfile; then
cd `dirname "$0"` || exit 1
if test ! -f Doxyfile; then
echo "doxygen/update-doxygen: Cannot find Doxyfile" >&2
exit 1
fi
fi
# Get the package version so that it can be included in the generated docs.
PACKAGE_VERSION=`cd .. && sh build-aux/version.sh` || exit 1
# If no arguments are specified, default to generating liblzma API header
# documentation only.
case $1 in
'' | api)
# Remove old documentation before re-generating the new.
rm -rf ../doc/api
# Generate the HTML documentation by preparing the Doxyfile
# in stdin and piping the result to the doxygen command.
# With Doxygen, the last assignment of a value to a tag will
# override any earlier assignment. So, we can use this
# feature to override the tags that need to change between
# "api" and "internal" modes.
(
cat Doxyfile
echo "PROJECT_NUMBER = $PACKAGE_VERSION"
) | doxygen -
# As of Doxygen 1.8.0 - 1.9.6 and the Doxyfile options we use,
# the output is good without any JavaScript. Unfortunately
# Doxygen doesn't have an option to disable JavaScript usage
# completely so we strip it away with the hack below.
#
# Omitting the JavaScript code avoids some license hassle
# as jquery.js is fairly big, it contains more than jQuery
# itself, and doesn't include the actual license text (it
# only refers to the MIT license by name).
echo "Stripping JavaScript from Doxygen output..."
for F in ../doc/api/*.html
do
sed 's/<script [^>]*><\/script>//g
s/onclick="[^"]*"//g' \
"$F" > ../doc/api/tmp
mv -f ../doc/api/tmp "$F"
done
rm -f ../doc/api/*.js
;;
internal)
# The docs from internal aren't for distribution so
# the JavaScript files aren't an issue here.
rm -rf ../doc/internal
(
cat Doxyfile
echo "PROJECT_NUMBER = $PACKAGE_VERSION"
echo 'PROJECT_NAME = "XZ Utils"'
echo 'STRIP_FROM_PATH = ../src'
echo 'INPUT = ../src'
echo 'HTML_OUTPUT = internal'
echo 'EXTRACT_PRIVATE = YES'
echo 'EXTRACT_STATIC = YES'
echo 'EXTRACT_LOCAL_CLASSES = YES'
echo 'SEARCHENGINE = YES'
) | doxygen -
;;
*)
echo "doxygen/update-doxygen: Error: mode argument '$1'" \
"is not supported." >&2
echo "doxygen/update-doxygen: Supported modes:" >&2
echo "doxygen/update-doxygen: - 'api' (default):" \
"liblzma API docs into doc/api" >&2
echo "doxygen/update-doxygen: - 'internal':"\
"internal docs into doc/internal" >&2
exit 1
;;
esac
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