kdoctools/cmake/uriencode.cmake

0001 # Encode an URI according to RFC 2396
0002 # kdoctools_encode_uri takes a variable name and it encodes
0003 # its value according to RFC 2396 (minus few reserved characters)
0004 # overwriting the original value.
0005 #
0006 # SPDX-FileCopyrightText: 2014 Luigi Toscano <luigi.toscano@tiscali.it>
0007 #
0008 # SPDX-License-Identifier: BSD-3-Clause
0009
0010 function(kdoctools_encode_uri _original_uri)
0011     find_package(Perl REQUIRED)
0012     find_package(PerlModules COMPONENTS URI::Escape REQUIRED)
0013     # properly encode the URI
0014     string(REPLACE "\"" "\\\"" escaped_uri "${${_original_uri}}")
0015     execute_process(COMMAND ${PERL_EXECUTABLE} -MURI::Escape -e "print uri_escape_utf8(\"${escaped_uri}\", \"^A-Za-z0-9\\-\\._~\\/:\");"
0016                     OUTPUT_VARIABLE encoded_uri
0017                     RESULT_VARIABLE res_encoding
0018                     OUTPUT_STRIP_TRAILING_WHITESPACE)
0019     if (NOT ${res_encoding} EQUAL 0)
0020         message(FATAL_ERROR "Problem while encoding the URI ${${_original_uri}}")
0021     endif()
0022     set(${_original_uri} "${encoded_uri}" PARENT_SCOPE)
0023 endfunction()