# CMakeLists.txt - 20150402 - 20150130 - 20140801 - for github htacg/tidy-html5
# Prepare for changing the name to 'tidy'
cmake_minimum_required (VERSION 2.8.7)

set(LIB_NAME tidy)

project (${LIB_NAME})

# ### NOTE: *** Adjust version.txt when required ***
# read 'version' file into a variable (stripping any newlines or spaces)
# 20150609: Revert to supplying BOTH version and date, as we had back in Jan 2015
# NOTE: Both version and date MUST be DOT separated, in two lines.
file(READ version.txt versionFile)
if (NOT versionFile)
    message(FATAL_ERROR "Unable to determine libtidy version. version.txt file is missing.")
endif()
string(STRIP "${versionFile}" VERSION_TEXT)
string(REGEX REPLACE "(.*)[\r\n|\n](.*)" "\\1" LIBTIDY_VERSION ${VERSION_TEXT})
string(REGEX REPLACE "(.*)[\r\n|\n](.*)" "\\2" LIBTIDY_DATE ${VERSION_TEXT})
# establish version number
if (LIBTIDY_VERSION)
    string(REPLACE "." ";" VERSION_LIST ${LIBTIDY_VERSION})
    list(GET VERSION_LIST 0 TIDY_MAJOR_VERSION)
    list(GET VERSION_LIST 1 TIDY_MINOR_VERSION)
    list(GET VERSION_LIST 2 TIDY_POINT_VERSION)
else ()
    message(FATAL_ERROR "*** FAILED to get a VERSION from version.txt!")
endif ()    
# establish version date
if (LIBTIDY_DATE)
    string(REPLACE "." ";" DATE_LIST ${LIBTIDY_DATE})
    list(GET DATE_LIST 0 tidy_YEAR)
    list(GET DATE_LIST 1 tidy_MONTH)
    list(GET DATE_LIST 2 tidy_DAY)
else ()
    message(FATAL_ERROR "*** FAILED to get a DATE from version.txt!")
endif ()

# By default, BOTH library types built, Allow turning OFF shared if not needed
set( LIB_TYPE STATIC )  # set default message
option( BUILD_SHARED_LIB "Set OFF to NOT build shared library"    ON  )
option( BUILD_TAB2SPACE  "Set ON to build utility app, tab2space" OFF )
option( BUILD_SAMPLE_CODE "Set ON to build the sample code"       OFF )
if (NOT MAN_INSTALL_DIR)
    set(MAN_INSTALL_DIR share/man/man1)
endif ()
# Issue #326 - Allow linkage choice of console app tidy
option( TIDY_CONSOLE_SHARED "Set ON to link with shared(DLL) lib." OFF )
if (TIDY_CONSOLE_SHARED)
    if (NOT BUILD_SHARED_LIB)
        message(FATAL_ERROR "Enable shared build for this tidy linkage!")
    endif ()
endif ()

# Allow building without extra language support
option( SUPPORT_LOCALIZATIONS "Set OFF to build without additional languages." ON )
if (SUPPORT_LOCALIZATIONS)
add_definitions ( -DSUPPORT_LOCALIZATIONS=1 )
else ()
add_definitions ( -DSUPPORT_LOCALIZATIONS=0 )
endif ()

# Allow building without console support, which mostly prevents console strings
# from existing in the library. Note that this will prevent the console 
# application from being built, since it can't be linked.
option( SUPPORT_CONSOLE_APP "Set OFF to libraries only without console application support." ON )
if (SUPPORT_CONSOLE_APP)
add_definitions ( -DSUPPORT_CONSOLE_APP=1 )
else ()
add_definitions ( -DSUPPORT_CONSOLE_APP=0 )
endif ()

if(CMAKE_COMPILER_IS_GNUCXX)
    set( WARNING_FLAGS -Wall )
endif(CMAKE_COMPILER_IS_GNUCXX)

if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") 
   set( WARNING_FLAGS "-Wall -Wno-overloaded-virtual" )
endif() 

if(WIN32 AND MSVC)
    # turn off various warnings
    set(WARNING_FLAGS "${WARNING_FLAGS} /wd4996")
    # C4090: 'function' : different 'const' qualifiers
    # C4244: '=' : conversion from '__int64' to 'uint', possible loss of data
    # C4267: 'function' : conversion from 'size_t' to 'uint', possible loss of data
    # foreach(warning 4244 4251 4267 4275 4290 4786 4305)
    foreach(warning 4090 4244 4267)
        set(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
    endforeach()
    set( MSVC_FLAGS "-DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS" )
    # if (${MSVC_VERSION} EQUAL 1600)
    #    set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
    # endif (${MSVC_VERSION} EQUAL 1600)
    # set( NOMINMAX 1 )
    # to distinguish between debug and release lib in windows
    set( CMAKE_DEBUG_POSTFIX "d" ) # little effect in unix
else()
    # add any gcc flags
endif()

set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS} -D_REENTRANT" )
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS} -D_REENTRANT" )
set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}" )

# option to use static windows runtime - maybe only applies to WIN32/MSVC
if (MSVC)
    option( USE_STATIC_RUNTIME "Set ON to change /MD(DLL) to /MT(static)" OFF )
    if (USE_STATIC_RUNTIME)
        set(CompilerFlags
            CMAKE_CXX_FLAGS
            CMAKE_CXX_FLAGS_DEBUG
            CMAKE_CXX_FLAGS_RELEASE
            CMAKE_C_FLAGS
            CMAKE_C_FLAGS_DEBUG
            CMAKE_C_FLAGS_RELEASE
            )
        foreach(CompilerFlag ${CompilerFlags})
            string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
        endforeach()    
        message(STATUS "Using /MT STATIC runtime")
    else ()
        message(STATUS "Using /MD DYNAMIC runtime")
    endif ()
endif ()

add_definitions ( -DHAVE_CONFIG_H )
add_definitions ( -DSUPPORT_UTF16_ENCODINGS=1 )
add_definitions ( -DSUPPORT_ASIAN_ENCODINGS=1 )
add_definitions ( -DSUPPORT_ACCESSIBILITY_CHECKS=1 )
add_definitions ( -DLIBTIDY_VERSION="${LIBTIDY_VERSION}" )
add_definitions ( -DRELEASE_DATE="${tidy_YEAR}/${tidy_MONTH}/${tidy_DAY}" )
if (TIDY_RC_NUMBER)
    add_definitions ( -DRC_NUMBER="${TIDY_RC_NUMBER}" )
endif ()

# Issue #188 - Support user items in platform.h
if (TIDY_CONFIG_FILE)
    add_definitions( -DTIDY_CONFIG_FILE="${TIDY_CONFIG_FILE}" )
endif ()
if (TIDY_USER_CONFIG_FILE)
    add_definitions( -DTIDY_USER_CONFIG_FILE="${TIDY_USER_CONFIG_FILE}" )
endif ()
if (SUPPORT_GETPWNAM)
    add_definitions( -DSUPPORT_GETPWNAM=1 )
endif ()

if(BUILD_SHARED_LIB)
   set(LIB_TYPE SHARED)
   message(STATUS "*** Also building DLL library ${LIB_TYPE}, version ${LIBTIDY_VERSION}, date ${LIBTIDY_DATE}")
else()
   message(STATUS "*** Only building static library ${LIB_TYPE}, version ${LIBTIDY_VERSION}, date ${LIBTIDY_DATE}")
endif()

include_directories ( "${PROJECT_SOURCE_DIR}/include" "${PROJECT_SOURCE_DIR}/src" )

##############################################################################
### tidy library
# file locations
set ( SRCDIR src )
set ( INCDIR include )
# file lists
set ( CFILES
        ${SRCDIR}/access.c       ${SRCDIR}/attrs.c        ${SRCDIR}/istack.c
        ${SRCDIR}/parser.c       ${SRCDIR}/tags.c         ${SRCDIR}/entities.c
        ${SRCDIR}/lexer.c        ${SRCDIR}/pprint.c       ${SRCDIR}/charsets.c
        ${SRCDIR}/clean.c        ${SRCDIR}/message.c      ${SRCDIR}/config.c
        ${SRCDIR}/alloc.c        ${SRCDIR}/attrapi.c      ${SRCDIR}/attrdict.c
        ${SRCDIR}/buffio.c       ${SRCDIR}/fileio.c       ${SRCDIR}/streamio.c
        ${SRCDIR}/tagask.c       ${SRCDIR}/tmbstr.c       ${SRCDIR}/utf8.c
        ${SRCDIR}/tidylib.c      ${SRCDIR}/mappedio.c     ${SRCDIR}/gdoc.c
        ${SRCDIR}/language.c     ${SRCDIR}/messageobj.c )
set ( HFILES
        ${INCDIR}/tidyplatform.h ${INCDIR}/tidy.h         ${INCDIR}/tidyenum.h
        ${INCDIR}/tidybuffio.h )

option (TIDY_COMPAT_HEADERS "If set to ON, compatability headers are included" OFF)
if (TIDY_COMPAT_HEADERS)
    set ( HFILES ${HFILES}      ${INCDIR}/buffio.h        ${INCDIR}/platform.h )
endif ()

set ( LIBHFILES
        ${SRCDIR}/access.h       ${SRCDIR}/attrs.h        ${SRCDIR}/attrdict.h ${SRCDIR}/charsets.h
        ${SRCDIR}/clean.h        ${SRCDIR}/config.h       ${SRCDIR}/entities.h
        ${SRCDIR}/fileio.h       ${SRCDIR}/forward.h      ${SRCDIR}/lexer.h
        ${SRCDIR}/mappedio.h     ${SRCDIR}/message.h      ${SRCDIR}/parser.h
        ${SRCDIR}/pprint.h       ${SRCDIR}/streamio.h     ${SRCDIR}/tags.h
        ${SRCDIR}/tmbstr.h       ${SRCDIR}/utf8.h         ${SRCDIR}/tidy-int.h
        ${SRCDIR}/version.h      ${SRCDIR}/gdoc.h         ${SRCDIR}/language.h
        ${SRCDIR}/language_en.h  ${SRCDIR}/win32tc.h )
if (MSVC)
    list(APPEND CFILES ${SRCDIR}/sprtf.c)
    list(APPEND LIBHFILES ${SRCDIR}/sprtf.h)
endif ()
#######################################

if (NOT LIB_INSTALL_DIR)
    set(LIB_INSTALL_DIR lib${LIB_SUFFIX})
endif ()

if (NOT BIN_INSTALL_DIR)
    set(BIN_INSTALL_DIR bin)
endif ()

if (NOT INCLUDE_INSTALL_DIR)
    set(INCLUDE_INSTALL_DIR include)
endif ()

# Always build the STATIC library
set(name tidy-static)
add_library ( ${name} STATIC ${CFILES} ${HFILES} ${LIBHFILES} )
set_target_properties( ${name} PROPERTIES 
    OUTPUT_NAME ${LIB_NAME}s
    )
if (NOT TIDY_CONSOLE_SHARED) # user wants default static linkage
    list ( APPEND add_LIBS ${name} )
endif ()    
install(TARGETS ${name}
        RUNTIME DESTINATION ${BIN_INSTALL_DIR}
        ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
        LIBRARY DESTINATION ${LIB_INSTALL_DIR}
        )
install( FILES ${HFILES} DESTINATION ${INCLUDE_INSTALL_DIR} )
########################################
# if user option still on
if (BUILD_SHARED_LIB)
    set(name tidy-share)
    add_library ( ${name} SHARED ${CFILES} ${HFILES} ${LIBHFILES} )
    set_target_properties( ${name} PROPERTIES 
                                    OUTPUT_NAME ${LIB_NAME} )
    set_target_properties( ${name} PROPERTIES
                                   VERSION   ${LIBTIDY_VERSION}
                                   SOVERSION ${TIDY_MAJOR_VERSION} )
    set_target_properties( ${name} PROPERTIES 
                                   COMPILE_FLAGS "-DBUILD_SHARED_LIB" )
    set_target_properties( ${name} PROPERTIES 
                                   COMPILE_FLAGS "-DBUILDING_SHARED_LIB" )
    install(TARGETS ${name}
        RUNTIME DESTINATION ${BIN_INSTALL_DIR}
        ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
        LIBRARY DESTINATION ${LIB_INSTALL_DIR}
        )
    if (TIDY_CONSOLE_SHARED)    # user wants shared/dll linkage
        list ( APPEND add_LIBS ${name} )
    endif ()    
endif ()

##########################################################
### main executable - linked with STATIC/SHARED library
if (SUPPORT_CONSOLE_APP)
    set(name ${LIB_NAME})
    set ( BINDIR console )
    add_executable( ${name} ${BINDIR}/tidy.c )
    target_link_libraries( ${name} ${add_LIBS} )
    if (MSVC)
        set_target_properties( ${name} PROPERTIES DEBUG_POSTFIX d )
    endif ()
    if (NOT TIDY_CONSOLE_SHARED)
        set_target_properties( ${name} PROPERTIES 
                                       COMPILE_FLAGS "-DTIDY_STATIC" )
    endif ()
    install (TARGETS ${name} DESTINATION bin)
endif ()

if (BUILD_TAB2SPACE)
    set(name tab2space)
    add_executable( ${name} ${BINDIR}/tab2space.c )
    if (MSVC)
        set_target_properties( ${name} PROPERTIES DEBUG_POSTFIX d )
    endif ()
    # no INSTALL of this 'local' tool - use depreciated
endif ()

if (BUILD_SAMPLE_CODE)
    set(name test71)
    set(dir console)
    add_executable( ${name} ${dir}/${name}.cxx )
    if (MSVC)
        set_target_properties( ${name} PROPERTIES DEBUG_POSTFIX d )
    endif ()
    target_link_libraries( ${name} ${add_LIBS} )
    # no INSTALL of this 'local' sample
endif ()

#==========================================================
# Create man pages
#==========================================================
if (UNIX AND SUPPORT_CONSOLE_APP)
    find_program( XSLTPROC_FOUND xsltproc )
    if (XSLTPROC_FOUND)
        ## NOTE: man name must match exe ie currently `${LIB_NAME}.1` not `tidy.1`
        ## also could use `manpath` command output to determine target install path
        set(TIDY_MANFILE ${LIB_NAME}.1)
        message(STATUS "*** Generating man ${TIDY_MANFILE} custom commands...")
        set(TIDY1XSL ${CMAKE_CURRENT_BINARY_DIR}/tidy1.xsl)
        set(TIDYHELP ${CMAKE_CURRENT_BINARY_DIR}/tidy-help.xml)
        set(TIDYCONFIG ${CMAKE_CURRENT_BINARY_DIR}/tidy-config.xml)
        add_custom_target(man ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME}")
        configure_file(
            ${CMAKE_CURRENT_SOURCE_DIR}/man/tidy1.xsl.in
            ${TIDY1XSL}
        )
 
        # run built EXE to generate xml output 
        add_custom_command(
            TARGET man
            COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME} -xml-help > ${TIDYHELP}
            COMMENT "Generate ${TIDYHELP}"
            VERBATIM
        )

        # run built EXE to generate more xml output 
        add_custom_command(
            TARGET man
            COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME} -xml-config > ${TIDYCONFIG}
            COMMENT "Generate ${TIDYCONFIG}"
            VERBATIM
        )

        # run xsltproc to generate the install files..
        add_custom_command(
            TARGET man
            DEPENDS ${TIDYHELP}
            COMMAND xsltproc ARGS ${TIDY1XSL} ${TIDYHELP} > ${CMAKE_CURRENT_BINARY_DIR}/${TIDY_MANFILE}
            COMMENT "Generate ${TIDY_MANFILE}"
            VERBATIM
        )

        install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${TIDY_MANFILE} DESTINATION ${MAN_INSTALL_DIR})

    else ()
        message(STATUS "*** NOTE: xsltproc NOT FOUND! Can NOT generate man page.")
        message(STATUS "*** You need to install xsltproc in your system.")
    endif ()
endif ()

set(BITNESS 32)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  set(BITNESS 64)
endif()

##########################################################
### Create MSI,EXE, DMG, DEB/RPM
### TODO: Check each of these builds
##########################################################
# Need to ensure that system dlls get included in a binary distribution
if (NOT DEFINED CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS)
  # Visual Studio Express does include redistributable components so
  # squelch the warning.
  set (CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS ON)
endif ()
set (CMAKE_INSTALL_DEBUG_LIBRARIES OFF)
include (InstallRequiredSystemLibraries)
##########################################################
if (WIN32)
    # MSI - this needs WiX Tooset installed and a path to candle.exe
    # EXE - this needs NSIS tools to be in path
    set(CPACK_GENERATOR "NSIS;WIX;ZIP")
    set(CPACK_SOURCE_GENERATOR "ZIP")
    set(CPACK_WIX_UPGRADE_GUID "D809598A-B513-4752-B268-0BAC403B00E4")
elseif ( ${CMAKE_SYSTEM_NAME} MATCHES "Darwin" )
    set(CPACK_GENERATOR "PackageMake")
    set(CPACK_SOURCE_GENERATOR "TGZ")
else ()
    set(CPACK_GENERATOR "DEB;RPM")
    set(CPACK_SOURCE_GENERATOR "TGZ")
endif ()

set(CPACK_PACKAGE_NAME "${LIB_NAME}")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${LIB_NAME} - HTML syntax checker")
set(CPACK_PACKAGE_VENDOR "HTML Tidy Advocacy Community Group")
set(CPACK_PACKAGE_CONTACT "maintainer@htacg.org")

set(CPACK_PACKAGE_VERSION ${LIBTIDY_VERSION})
set(CPACK_PACKAGE_VERSION_MAJOR "${TIDY_MAJOR_VERSION}")
set(CPACK_PACKAGE_VERSION_MINOR "${TIDY_MINOR_VERSION}")
set(CPACK_PACKAGE_VERSION_PATCH "${TIDY_POINT_VERSION}")
set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README/README.html")
# use one compatible license file for all
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/README/LICENSE.txt")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README/README.html")
set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/README/README.html")

## debian config
set(CPACK_DEBIAN_PACKAGE_MAINTAINER ${CPACK_PACKAGE_CONTACT})
set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "http://www.html-tidy.org/")
#set(CPACK_DEBIAN_PACKAGE_DEPENDS "libc")
set(CPACK_DEBIAN_PACKAGE_SECTION "Libraries")
set(CPACK_SOURCE_IGNORE_FILES
  "${PROJECT_SOURCE_DIR}/build"
  )

## RPM config
set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION "/usr/share/man" "/usr/share/man/man1")

set(CPACK_SOURCE_IGNORE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/test/;${CMAKE_CURRENT_SOURCE_DIR}/build/;${CMAKE_CURRENT_SOURCE_DIR}/.git/")

if (NOT WIN32 AND NOT APPLE)
set( CPACK_PACKAGE_FILE_NAME "${LIB_NAME}-${CPACK_PACKAGE_VERSION}-${BITNESS}bit" )
endif ()

include(CPack)

# eof