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# - Convert markdown source files to HTML as a custom target
#
# include(UseMarkdown)
# add_markdown_target(<target_name> <directory to copy to> <markdownfile> [<markdownfile>...] [RENAME <newname>])
# Relative paths for the destination directory are considered with
# with respect to CMAKE_CURRENT_BINARY_DIR. The RENAME argument is only
# valid with a single markdown file as input.
#
#
# install_markdown_target(<target_name> [extra arguments to INSTALL(FILES ...) ])
#
#
# Requires CMake 2.6 or newer (uses the 'function' command)
#
# Original Author:
# 2011 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
# http://academic.cleardefinition.com
# Iowa State University HCI Graduate Program/VRAC
#
# Copyright Iowa State University 2011-2012.
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
if(__add_markdown_target)
return()
endif()
set(__add_markdown_target YES)
define_property(TARGET
PROPERTY
MARKDOWN_TARGET_OUTPUTS
BRIEF_DOCS
"Markdown target outputs"
FULL_DOCS
"Output files of a target created by add_markdown_target")
function(add_markdown_target _target _dest)
if(NOT ARGN)
message(WARNING
"In add_markdown_target call for target ${_target}, no source files were specified!")
return()
endif()
find_package(Markdown QUIET)
if(NOT MARKDOWN_EXECUTABLE)
message(FATAL_ERROR "Can't find a markdown conversion tool!")
endif()
set(NEW_NAME)
list(FIND ARGN "RENAME" _renameloc)
if(_renameloc GREATER -1)
list(LENGTH ARGN _len)
if(NOT _len EQUAL 3)
message(FATAL_ERROR
"Specifying RENAME requires 1 input file and 1 output name!")
endif()
list(GET ARGN 2 NEW_NAME)
list(GET ARGN 0 ARGN)
endif()
set(ALLFILES)
set(SOURCES)
foreach(fn ${ARGN})
# Produce an absolute path to the input file
if(IS_ABSOLUTE "${fn}")
get_filename_component(fullpath "${fn}" ABSOLUTE)
get_filename_component(fn "${fn}" NAME)
else()
get_filename_component(fullpath
"${CMAKE_CURRENT_SOURCE_DIR}/${fn}"
ABSOLUTE)
endif()
get_filename_component(fn_noext "${fn}" NAME_WE)
# Clean up output file name
if(NEW_NAME)
get_filename_component(absout "${_dest}/${NEW_NAME}" ABSOLUTE)
else()
get_filename_component(absout "${_dest}/${fn_noext}.html" ABSOLUTE)
endif()
add_custom_command(OUTPUT "${absout}"
COMMAND
${CMAKE_COMMAND}
ARGS -E make_directory "${_dest}"
COMMAND
${MARKDOWN_EXECUTABLE}
ARGS "${fullpath}" > "${absout}"
MAIN_DEPENDENCY "${fullpath}"
VERBATIM
COMMENT "Converting Markdown ${fn} to HTML in ${absout}...")
list(APPEND SOURCES "${fullpath}")
list(APPEND ALLFILES "${absout}")
endforeach()
# Custom target depending on all the file copy commands
add_custom_target(${_target}
ALL
SOURCES ${SOURCES}
DEPENDS ${ALLFILES})
set_property(TARGET ${_target} PROPERTY MARKDOWN_TARGET_OUTPUTS "${ALLFILES}")
endfunction()
function(install_markdown_target _target)
get_target_property(_mtoutputs ${_target} MARKDOWN_TARGET_OUTPUTS)
if(NOT _mtoutputs)
message(WARNING
"install_markdown_target called on a target not created with add_markdown_target!")
return()
endif()
# Forward the call to install
install(FILES ${_mtoutputs} ${ARGN})
endfunction()
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