source: pacpusframework/trunk/cmake/PacpusUtilities.cmake@ 3

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#   ___________    ____ ______  __ __  _____    #
#   \____ \__  \ _/ ___\\____ \|  |  \/  ___/   #
#   |  |_> > __ \\  \___|  |_> >  |  /\___ \    #
#   |   __(____  /\___  >   __/|____//____  >   #
#   |__|       \/     \/|__|              \/    #
#                                               #
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# ========================================
# Create a Pacpus plugin
# ========================================
function(PACPUS_PLUGIN OUT_CPP OUT_H PLUGIN_NAME)

    set(PLUGIN_NAME ${PLUGIN_NAME}Plugin)
    set(${OUT_CPP} ${PLUGIN_NAME}.cpp PARENT_SCOPE)
    set(${OUT_H} ${PLUGIN_NAME}.h PARENT_SCOPE)

    string(TOUPPER ${PLUGIN_NAME} PLUGIN_NAME_UPPER)

    # create the header file
    file(WRITE ${PLUGIN_NAME}.h
        "// Autogenerated file by PacpusPlugin.cmake\n"
        "// DO NOT EDIT!!! ALL CHANGES WOULD BE REMOVED BY THE NEXT CALL OF CMAKE\n"
        "\n"
        "#ifndef __${PLUGIN_NAME_UPPER}_H__\n"
        "#define __${PLUGIN_NAME_UPPER}_H__\n"
        "\n"
        "#include <qobject.h>\n"
        "#include <qplugin.h>\n"
        "\n"
        "#include \"kernel/PacpusPluginInterface.h\"\n"
        "\n"
        "/// Auto-generated plugin class\n"
        "class ${PLUGIN_NAME}\n"
        "    : public QObject\n"
        "    , public PacpusPluginInterface\n"
        "{\n"
        "    Q_OBJECT\n"
        "    Q_INTERFACES(PacpusPluginInterface)\n"    
        "\n"
        "public:\n"
        "    ${PLUGIN_NAME}();\n"
        "    ~${PLUGIN_NAME}();\n" 
        "\n"
        "protected:\n"
        "    QString name();\n"
        "};\n"
        "\n"
        "#endif // __${PLUGIN_NAME_UPPER}_H__\n"
    )

    # create the cpp file
    file(WRITE ${PLUGIN_NAME}.cpp
        "// Autogenerated file by PacpusPlugin.cmake\n"
        "// DO NOT EDIT!!! ALL CHANGES WOULD BE REMOVED BY THE NEXT CALL OF CMAKE\n"
        "\n"
        "#include \"${PLUGIN_NAME}.h\"\n"
        "\n"
        "${PLUGIN_NAME}::${PLUGIN_NAME}()\n"
        "{\n"
        "}\n"
        "\n"
        "${PLUGIN_NAME}::~${PLUGIN_NAME}()\n"
        "{\n"
        "}\n"
        "\n"
        "QString ${PLUGIN_NAME}::name()\n"
        "{\n"
        "    return \"${PLUGIN_NAME}\";\n"
        "}\n"
        "\n"
        "Q_EXPORT_PLUGIN2(${PLUGIN_NAME}, ${PLUGIN_NAME})\n"
    )
endfunction(PACPUS_PLUGIN)

# ========================================
# Replace backslashes by slashes
# ========================================
macro(pacpus_purge_backslash var)
  string(REGEX REPLACE "\\\\" "/" ${var} ${${var}})
endmacro()

# ========================================
# Get the version of MSVC as a string
# ========================================
macro(pacpus_get_msvc output)
  # By default, unknown
  set(${output} "unknown")
  # MSVC9 == 2008
  if (MSVC9)
    set(${output} "msvc2008")
  endif()
  # MSVC10 == 2010
  if (MSVC10)
    set(${output} "msvc2010")
  endif()
  # MSVC11 == "2012"
  if (MSVC11)
    set(${output} "msvc2012")
  endif()
endmacro()

# ========================================
# Print a debug message
# ========================================
function(pacpus_output_status msg)
  message(STATUS "${msg}")
  string(REPLACE "\\" "\\\\" msg "${msg}")
  string(REPLACE "\"" "\\\"" msg "${msg}")
endfunction()

# ========================================
# Pacpus log message
# ========================================
function(pacpus_info text)
  set(status_cond)
  set(status_then)
  set(status_else)

  set(status_current_name "cond")
  foreach(arg ${ARGN})
    if(arg STREQUAL "THEN")
      set(status_current_name "then")
    elseif(arg STREQUAL "ELSE")
      set(status_current_name "else")
    else()
      list(APPEND status_${status_current_name} ${arg})
    endif()
  endforeach()

  if(DEFINED status_cond)
    set(status_placeholder_length 32)
    string(RANDOM LENGTH ${status_placeholder_length} ALPHABET " " status_placeholder)
    string(LENGTH "${text}" status_text_length)
    if(status_text_length LESS status_placeholder_length)
      string(SUBSTRING "${text}${status_placeholder}" 0 ${status_placeholder_length} status_text)
    elseif(DEFINED status_then OR DEFINED status_else)
      pacpus_output_status("${text}")
      set(status_text "${status_placeholder}")
    else()
      set(status_text "${text}")
    endif()

    if(DEFINED status_then OR DEFINED status_else)
      if(${status_cond})
        string(REPLACE ";" " " status_then "${status_then}")
        string(REGEX REPLACE "^[ \t]+" "" status_then "${status_then}")
        pacpus_output_status("${status_text} ${status_then}")
      else()
        string(REPLACE ";" " " status_else "${status_else}")
        string(REGEX REPLACE "^[ \t]+" "" status_else "${status_else}")
        pacpus_output_status("${status_text} ${status_else}")
      endif()
    else()
      string(REPLACE ";" " " status_cond "${status_cond}")
      string(REGEX REPLACE "^[ \t]+" "" status_cond "${status_cond}")
      pacpus_output_status("${status_text} ${status_cond}")
    endif()
  else()
    pacpus_output_status("${text}")
  endif()
endfunction()