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qmckl/tools/build_doc.sh

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#!/bin/bash
# Script to build the documentation
# :PROPERTIES:
# :header-args:bash: :tangle build_doc.sh :noweb yes :shebang #!/bin/bash :comments org
# :END:
# First define readonly global variables.
readonly DOCS=${QMCKL_ROOT}/share/doc/qmckl/
readonly SRC=${QMCKL_ROOT}/src/
readonly HTMLIZE=${DOCS}/html/htmlize.el
readonly CONFIG_DOC=${QMCKL_ROOT}/tools/config_doc.el
readonly CONFIG_TANGLE=${QMCKL_ROOT}/tools/config_tangle.el
# Check that all the defined global variables correspond to files.
function check_preconditions()
{
if [[ -z ${QMCKL_ROOT} ]]
then
print "QMCKL_ROOT is not defined"
exit 1
fi
for dir in ${DOCS}/html ${DOCS}/text ${SRC}
do
if [[ ! -d ${dir} ]]
then
print "${dir} not found"
exit 2
fi
done
for file in ${CONFIG_DOC} ${CONFIG_TANGLE}
do
if [[ ! -f ${file} ]]
then
print "${file} not found"
exit 3
fi
done
}
# ~install_htmlize~ installs the htmlize Emacs plugin if the
# =htmlize.el= file is not present.
function install_htmlize()
{
local url="https://github.com/hniksic/emacs-htmlize"
local repo="emacs-htmlize"
[[ -f ${HTMLIZE} ]] || (
cd ${DOCS}/html
git clone ${url} \
&& cp ${repo}/htmlize.el ${HTMLIZE} \
&& rm -rf ${repo}
cd -
)
# Assert htmlize is installed
[[ -f ${HTMLIZE} ]] \
|| exit 1
}
# Extract documentation from an org-mode file.
function extract_doc()
{
local org=$1
local local_html=${SRC}/${org%.org}.html
local local_text=${SRC}/${org%.org}.txt
local html=${DOCS}/html/${org%.org}.html
local text=${DOCS}/text/${org%.org}.txt
if [[ -f ${html} && ${org} -ot ${html} ]]
then
return
fi
emacs --batch \
--load ${HTMLIZE} \
--load ${CONFIG_DOC} \
${org} \
--load ${CONFIG_TANGLE} \
-f org-html-export-to-html \
-f org-ascii-export-to-ascii
mv ${local_html} ${DOCS}/html
mv ${local_text} ${DOCS}/text
}
# The main function of the script.
function main() {
check_preconditions || exit 1
# Install htmlize if needed
install_htmlize || exit 2
# Create documentation
cd ${SRC} \
|| exit 3
for i in *.org
do
echo
echo "======= ${i} ======="
extract_doc ${i}
done
if [[ $? -eq 0 ]]
then
cd ${DOCS}/html
rm -f index.html
ln README.html index.html
exit 0
else
exit 3
fi
}
main