AMiRo-OS

################################################################################

# AMiRo-Apps is a collection of applications and configurations for the        #

# Autonomous Mini Robot (AMiRo).                                               #

# Copyright (C) 2018..2020  Thomas Schöpping et al.                            #

#                                                                              #

# This program is free software: you can redistribute it and/or modify         #

# it under the terms of the GNU General Public License as published by         #

# the Free Software Foundation, either version 3 of the License, or            #

# (at your option) any later version.                                          #

#                                                                              #

# This program is distributed in the hope that it will be useful,              #

# but WITHOUT ANY WARRANTY; without even the implied warranty of               #

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                #

# GNU General Public License for more details.                                 #

#                                                                              #

# You should have received a copy of the GNU General Public License            #

# along with this program.  If not, see <http://www.gnu.org/licenses/>.        #

#                                                                              #

# This research/work was supported by the Cluster of Excellence Cognitive      #

# Interaction Technology 'CITEC' (EXC 277) at Bielefeld University, which is   #

# funded by the German Research Foundation (DFG).                              #

################################################################################

#!/bin/bash

# load library

source "$(dirname ${BASH_SOURCE[0]})/../../bash/setuplib.sh"

### print welcome text #########################################################

# Prints a welcome message to standard out.

#

# usage:      printWelcomeText

# arguments:  n/a

# return:     n/a

#

function printWelcomeText {

  printf "######################################################################\n"

  printf "#                                                                    #\n"

  printf "#                  Welcome to the QtCreator setup!                   #\n"

  printf "#                                                                    #\n"

  printf "######################################################################\n"

  printf "#                                                                    #\n"

  printf "# Copyright (c) 2018..2020  Thomas Schöpping                         #\n"

  printf "#                                                                    #\n"

  printf "# This is free software; see the source for copying conditions.      #\n"

  printf "# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR  #\n"

  printf "# A PARTICULAR PURPOSE. The development of this software was         #\n"

  printf "# supported by the Excellence Cluster EXC 227 Cognitive Interaction  #\n"

  printf "# Technology. The Excellence Cluster EXC 227 is a grant of the       #\n"

  printf "# Deutsche Forschungsgemeinschaft (DFG) in the context of the German #\n"

  printf "# Excellence Initiative.                                             #\n"

  printf "#                                                                    #\n"

  printf "######################################################################\n"

}

### print help #################################################################

# Prints a help text to standard out.

#

# usage:      printHelp

# arguments:  n/a

# return:     n/a

#

function printHelp {

  printInfo "printing help text\n"

  printf "usage:    $(basename ${BASH_SOURCE[0]}) [-h|--help] [-p|--project=<project>] [-a|--all] [-c|--clean] [-w|--wipe] [-q|--quit] [--log=<file>]\n"

  printf "\n"

  printf "options:  -h, --help\n"

  printf "              Print this help text.\n"

  printf "          -p, --project <project>\n"

  printf "              Create projects for a single configuration.\n"

  printf "          -a, --all\n"

  printf "              Create projects for all configurations.\n"

  printf "          -c, --clean\n"

  printf "              Delete project files.\n"

  printf "          -w, --wipe\n"

  printf "              Delete project and .user files.\n"

  printf "          -q, --quit\n"

  printf "              Quit the script.\n"

  printf "          --log=<file>\n"

  printf "              Specify a log file.\n"

}

### read directory where to create/delete projects #############################

# Read the directory where to create/delete project files from user.

#

# usage:      getProjectsDir <pathvar>

# arguments:  <pathvar>

#                 Variable to store the selected path to.

# return:     n/a

#

function getProjectsDir {

  printLog "reading path for project files from user...\n"

  local amiroappsdir=$(realpath $(dirname $(realpath ${BASH_SOURCE[0]}))/../../../)

  local input=""

  read -p "Path where to create/delete project files: " -i $amiroappsdir -e input

  printLog "user selected path $(realpath $input)\n"

  eval $1="$(realpath $input)"

}

### retrieves the ARM-NONE-EABI-GCC include directory ##########################

# Retrieves the include directory of the currently set arm-none-eabi-gcc.

#

# usage:      retrieveGccIncludeDir <path>

# arguments:  <path>

#                 Variable to store the path to.

# return:    0

#                 No error or warning occurred.

#            -1

#                 Error: Command 'arm-none-eabi-gcc' not found.

#            -2

#                 Error: include directory could not be resolved.

#

function retrieveGccIncludeDir {

  # retrieve binary path or link

  local binpath=$(which arm-none-eabi-gcc)

  local gccincpath=""

  if [ -z "$binpath" ]; then

    printError "command 'arm-none-eabi-gcc' not found\n"

    return -1

  else 

    # traverse any links

    while [ -L "$binpath" ]; do

      binpath=$(realpath $(dirname $binpath)/$(readlink $binpath))

    done

    printInfo "gcc-arm-none-eabi detected: $binpath\n"

    # return include path

    gccincpath=$(realpath $(dirname ${binpath})/../arm-none-eabi/include/)

    if [ ! -d "$gccincpath" ]; then

      printWarning "$gccincpath does not exist\n"

      return -2

    else

      eval $1="$gccincpath"

      return 0

    fi

  fi

}

### detect available configurations ############################################

# Detect all avalable configurations.

#

# usage:      detectConfigurations <configurationsarray>

# arguments:  <configurationsarray>

#                 Array variable to store all detected configurations to.

# return:     n/a

#

function detectConfigurations {

  local configsdir=$(realpath $(dirname $(realpath ${BASH_SOURCE[0]}))/../../../configurations)

  local configs_detected=()

  # detect all available modules (via directories)

  for dir in $(ls -d ${configsdir}/*/); do

    configs_detected[${#configs_detected[@]}]=$(basename $dir)

  done

  # set the output variable

  eval "$1=(${configs_detected[*]})"

}

### create project files for a single configuration ############################

# Create project files for all modules of a configuration.

#

# usage:      createConfigProjects <configurations> [-c|--config=<configuration>] [-p|--path=<path>] [--gcc=<path>] [-o|--out=<var>] [--gccout=<var>]

# arguments:  <configurations>

#                 Array containing all configurations available.

#             -c, --config <configuration>

#                 Name (folder name) of the configuration for which project files shall be generated.

#             -p, --path <path>

#                 Path where to create the project files.

#             --gcc=<path>

#                 Path to the GCC include directory.

#             -o, --out <var>

#                 Variable to store the path to.

#             --gccout=<var>

#                 Variable to store the path to the GCC include directory to.

#                 If this optional arguments is absent, ths function will ask for user input.

# return:     0

#                 No error or warning occurred.

#             1

#                 Aborted by user.

#             2

#                 The selected configuration does not contain any modules.

#             -1

#                 No configurations available.

#             -2

#                 The specified <configuration> could not be found.

#             -3

#                 Parsing the project for the specified configuration failed.

#             -4

#                 Missing dependencies.

#

function createConfigProjects {

  local userdir=$(pwd)

  local configsdir=$(realpath $(dirname $(realpath ${BASH_SOURCE[0]}))/../../../configurations)

  local configs=("${!1}")

  local config=""

  local configidx=""

  local projectsdir=""

  local gccincludedir=""

  local outvar=""

  local gccoutvar=""

  # check dependencies

  checkCommands make

  if [ $? -ne 0 ]; then

    printError "Missing dependencies detected.\n"

    return -4

  fi

  # parse arguments

  local otherargs=()

  while [ $# -gt 0 ]; do

    if ( parseIsOption $1 ); then

      case "$1" in

        -c=*|--config=*)

          config="${1#*=}"; shift 1;;

        -c|--config)

          config="$2"; shift 2;;

        -p=*|--path=*)

          projectsdir=$(realpath "${1#*=}"); shift 1;;

        -p|--path)

          projectsdir=$(realpath "$2"); shift 2;;

        --gcc=*)

          gccincludedir=$(realpath "${1#*=}"); shift 1;;

        --gcc)

          gccincludedir=$(realpath "$2"); shift 2;;

        -o=*|--out=*)

          outvar=${1#*=}; shift 1;;

        -o|--out)

          outvar=$2; shift 2;;

        --gccout=*)

          gccoutvar=$(realpath "${1#*=}"); shift 1;;

        --gccout)

          gccoutvar=$(realpath "$2"); shift 2;;

        *)

          printError "invalid option: $1\n"; shift 1;;

      esac

    else

      otherargs+=("$1")

      shift 1

    fi

  done

  # sanity check for the configs variable

  if [ -z "${configs[*]}" ]; then

    printError "no configurations available\n"

    return -1

  fi

  # select configuration

  if [ -z $config ]; then

    # list all available configurations

    printInfo "choose a configuration or type 'A' to abort:\n"

    for (( idx=0; idx<${#configs[@]}; ++idx )); do

      printf "%4u: %s\n" $(($idx + 1)) "${configs[$idx]}"

    done

    # read user input

    printLog "read user selection\n"

    local userinput=""

    while [[ ! "$userinput" =~ ^[0-9]+$ ]] || [ ! "$userinput" -gt 0 ] || [ ! "$userinput" -le ${#configs[@]} ] && [[ ! "$userinput" =~ ^[Aa]$ ]]; do

      read -p "your selection: " -e userinput

      printLog "user selection: $userinput\n"

      if [[ ! "$userinput" =~ ^[0-9]+$ ]] || [ ! "$userinput" -gt 0 ] || [ ! "$userinput" -le ${#configs[@]} ] && [[ ! "$userinput" =~ ^[Aa]$ ]]; then

        printWarning "Please enter an integer between 1 and ${#configs[@]} or 'A' to abort.\n"

      fi

    done

    if [[ "$userinput" =~ ^[Aa]$ ]]; then

      printWarning "aborted by user\n"

      return 1

    fi

    # store selection

    configidx=$(($userinput - 1))

    config="${configs[$configidx]}"

    printf "\n"

  else

    # search all configurations for the selected one

    for (( idx=0; idx<${#configs[@]}; ++idx )); do

      if [ "${configs[$idx]}" = "$config" ]; then

        configidx=$idx

        break

      fi

    done

    # error if the configurations could not be found

    if [ -z $configidx ]; then

      printError "configuration ($config) not available\n"

      return -2

    fi

  fi

  # retrieve modules in the configuration

  local modules=()

  if [ -d ${configsdir}/${config}/modules ]; then

    for dir in $(ls -d ${configsdir}/${config}/modules/*/); do

      modules[${#modules[@]}]=$(basename $dir)

    done

    if [ ${#modules[@]} -eq 0 ]; then

      printWarning "configuration ${config} does not contain any modules\n"

      return 2

    fi

  else

    printWarning "'module/' folder does not exist in configuration ${config}\n"

    return 2

  fi

  # read absolute project directory if required

  if [ -z "$projectsdir" ]; then

    getProjectsDir projectsdir

    printf "\n"

  fi

  # check for existing project files

  local projectfiles=""

  for module in ${modules[@]}; do

    projectfiles+="$(find ${projectsdir} -maxdepth 1 -type f | grep -E "${config}_${module}\.(includes|files|config|creator)$")"

  done

  IFS=$'\n'; projectfiles=($projectfiles); unset IFS

  if [ ! -z "${projectfiles[*]}" ]; then

    printWarning "The following files will be overwritten:\n"

    for pfile in ${projectfiles[@]}; do

      printWarning "\t$(basename $pfile)\n"

    done

    local userinput=""

    printInfo "Continue and overwrite? [y/n]\n"

    readUserInput "YyNn" userinput

    case "$userinput" in

      Y|y)

        ;;

      N|n)

        printWarning "Project generation for ${config} configuration aborted by user\n"

        return 1

        ;;

      *)

        printError "unexpected input: ${userinput}\n"; return -999;;

    esac

    printf "\n"

  fi

  # print message

  printInfo "generating QtCreator project files for the $config configuration...\n"

  # retrieve absolute GCC include path

  if [ -z "$gccincludedir" ]; then

    retrieveGccIncludeDir gccincludedir

  fi

  # change to project directory

  cd "$projectsdir"

  # create project files for each module of the selected configuration

  for module in ${modules[@]}; do

    # run make, but only run the GCC preprocessor and produce no binaries

    local sourcefiles=()

    local sourcefile=""

    local parse_state="WAIT_FOR_INCLUDE_COMPILE_MAKE"

    local makedirs=()

    # capture all output from make and GCC and append the return value of make as last line

    printInfo "processing module ${module} (this may take a while)...\n"

    local rawout=$(make --directory ${configsdir}/${config}/modules/${module} --always-make USE_OPT="-v -E -H" USE_VERBOSE_COMPILE="no" OUTFILES="" 2>&1 && echo $?)

    # check whether the make call was successfull

    if [[ $(echo "${rawout}" | tail -n 1) != "0" ]]; then

      printError "executing 'make' in configuration directory failed\n"

      cd "$userdir"

      return -3

    else

      # cleanup

      make --directory ${configsdir}/${config}/modules/${module} clean &>/dev/null

    fi

    # extract file names from raw output

    IFS=$'\n'; rawout=($rawout); unset IFS

    for line in "${rawout[@]}"; do

      case $parse_state in

        WAIT_FOR_INCLUDE_COMPILE_MAKE)

          # lines stating include files look like:

          # ... <../relative/path/to/file>

          if [[ "$line" =~ ^\.+[[:blank:]].+\..+$ ]]; then

            sourcefile=${line##* }

            if [[ ! "$sourcefile" =~ ^/ ]]; then

              sourcefile=$(realpath ${makedirs[-1]}/${sourcefile})

            fi

            sourcefiles[${#sourcefiles[@]}]="$sourcefile"

          # whenever the next source file is processed, a message appears like:

          # Compiling <filename>

          elif [[ "$line" =~ ^Compiling[[:blank:]](.+\..+)$ ]]; then

            printf "."

            sourcefile=${BASH_REMATCH[1]}

            parse_state="WAIT_FOR_COMPILERCALL"

          # if make is called again in another directory, a message appears like:

          # make[1]: Entering directory 'directory'

          elif [[ "$line" =~ ^make(\[[0-9]+\])?:\ Entering\ directory\ \'.+\'$ ]]; then

            makedirs+=($(echo "$line" | (cut -d "'" -f 2)))

          # if make is leaving a directory, a message appears like:

          # make[1]: Leaving directory 'directory'

          elif [[ "$line" =~ ^make(\[[0-9]+\])?:\ Leaving\ directory\ \'.+\'$ ]]; then

            unset makedirs[-1]

          fi;;

        WAIT_FOR_COMPILERCALL)

          # wait for the actual call of the compiler to retrieve the full path to the source file

          if [[ "$line" == *${sourcefile}* ]]; then

            line="${line%%${sourcefile}*}${sourcefile}"

            line="${line##* }"

            if [[ "$line" =~ ^/ ]]; then

              # aboslute path

              sourcefile=$line

            else

              # relative path

              sourcefile=$(realpath ${makedirs[-1]}/${line##* })

            fi

            sourcefiles[${#sourcefiles[@]}]="$sourcefile"

            parse_state="WAIT_FOR_INCLUDE_COMPILE_MAKE"

          fi;;

      esac

    done

    unset rawout

    printf "\n"

    # sort and remove duplicates

    IFS=$'\n'; sourcefiles=($(sort --unique <<< "${sourcefiles[*]}")); unset IFS

    # extract include paths

    local includes=()

    for source in ${sourcefiles[*]}; do

      includes[${#includes[@]}]="$(dirname ${source})"

    done

    # sort and remove duplicates

    IFS=$'\n'; includes=($(sort --unique <<< "${includes[*]}")); unset IFS

    # generate the .incldues file, containing all include paths

    echo "" > ${projectsdir}/${config}_${module}.includes

    for inc in ${includes[*]}; do

      echo "$inc" >> ${projectsdir}/${config}_${module}.includes

    done

    # generate the .files file, containing all source files

    echo "" > ${projectsdir}/${config}_${module}.files

    for source in ${sourcefiles[*]}; do

      # skip GCC files

      if [[ ! "$source" =~ .*/gcc.* ]]; then

        echo "$source" >> ${projectsdir}/${config}_${module}.files

      fi

    done

    # generate a default project configuration file if it doesn't exits yet

    if [ ! -f ${projectsdir}/${config}_${module}.config ]; then

      echo "// Add predefined macros for your project here. For example:" > ${projectsdir}/${config}_${module}.config

      echo "// #define YOUR_CONFIGURATION belongs here" >> ${projectsdir}/${config}_${module}.config

    fi

    # generate a default .creator file if it doesn't exist yet

    if [ ! -f ${projectsdir}/${config}_${module}.creator ]; then

      echo "[general]" > ${projectsdir}/${config}_${module}.creator

    fi

  done

  # go back to user directory

  cd $userdir

  # fill the output variables

  if [ ! -z "$outvar" ]; then

    eval $outvar="$projectsdir"

  fi

  if [ ! -z "$gccoutvar" ]; then

    eval $gccoutvar="$gccincludedir"

  fi

  return 0

}

### create project files for all configurations ################################

# Create project files for all configurations.

#

# usage:      createAllProjects <configurations> [-p|--path=<path>] [--gcc=<path>] [-o|--out=<var>] [--gccout=<var>]

# arguments:  <configurations>

#                 Array containing all configurations available.

#             -p, --path <path>

#                 Path where to create the project files.

#             --gcc=<path>

#                 Path to the GCC include directory.

#             -o, --out <var>

#                 Variable to store the path to.

#             --gccout=<var>

#                 Variable to store the path to the GCC include directory to.

#                 If this optional arguments is absent, ths function will ask for user input.

# return:     0

#                 No error or warning occurred.

#             1

#                 Aborted by user.

#             -1

#                 No configurations available.

#

function createAllProjects {

  local configs=("${!1}")

  local projectsdir=""

  local gccincludedir=""

  local outvar=""

  local gccoutvar=""

  # parse arguments

  local otherargs=()

  while [ $# -gt 0 ]; do

    if ( parseIsOption $1 ); then

      case "$1" in

        -p=*|--path=*)

          projectsdir=$(realpath "${1#*=}"); shift 1;;

        -p|--path)

          projectsdir=$(realpath "$2"); shift 2;;

        --gcc=*)

          gccincludedir=$(realpath "${1#*=}"); shift 1;;

        --gcc)

          gccincludedir=$(realpath "$2"); shift 2;;

        -o=*|--out=*)

          outvar=${1#*=}; shift 1;;

        -o|--out)

          outvar=$2; shift 2;;

        --gccout=*)

          gccoutvar=$(realpath "${1#*=}"); shift 1;;

        --gccout)

          gccoutvar=$(realpath "$2"); shift 2;;

        *)

          printError "invalid option: $1\n"; shift 1;;

      esac

    else

      otherargs+=("$1")

      shift 1

    fi

  done

  # sanity check for the configurations variable

  if [ -z "${configs[*]}" ]; then

    printError "no configurations available\n"

    return -1

  fi

  # read absolute project directory if required

  if [ -z "$projectsdir" ]; then

    getProjectsDir projectsdir

  fi

  # check for existing project files

  local projectfiles=""

  for config in ${configs[@]}; do

    for module in ${modules[@]}; do

      projectfiles+="$(find ${projectsdir} -maxdepth 1 -type f | grep -E "${config}_${module}\.(includes|files|config|creator)$")"

    done

  done

  IFS=$'\n'; projectfiles=($projectfiles); unset IFS

  if [ ! -z "${projectfiles[*]}" ]; then

    printWarning "The following files will be removed:\n"

    for pfile in ${projectfiles[@]}; do

      printWarning "\t$(basename $pfile)\n"

    done

    local userinput=""

    printInfo "Continue and overwrite? [y/n]\n"

    readUserInput "YyNn" userinput

    case "${userinput}" in

      Y|y)

        for pfile in ${projectfiles[*]}; do

          rm "$pfile"

        done

        ;;

      N|n)

        printWarning "Project generation aborted by user\n"

        return 1

        ;;

      *)

        printError "unexpected input: ${userinput}\n"

        return 999

        ;;

    esac

  fi

  # print message

  printf "\n"

  printInfo "generating QtCreator project files for all configurations...\n"

  # retrieve absolute GCC include path

  if [ -z "$gccincludedir" ]; then

    retrieveGccIncludeDir gccincludedir

  fi

  # iterate over all configurations

  local retval=1

  for config in ${configs[@]}; do

    if [ $retval != 0 ]; then

      printf "\n"

    fi

    createConfigProjects configs[@] --config="$config" --path="$projectsdir" --gcc="$gccincludedir"

    retval=$?

  done

  return 0

}

### delete project files #######################################################

# Deletes all project files and optionally .user files, too.

#

# usage:      deleteProjects [-p|--path=<path>] [-c|--config=<configuration>] [-o|--out=<var>] [-w|-wipe]

# arguments:  -p, --path <path>

#                 Path where to delete the project files.

#             -c, --config <configuration>

#                 Configuration name for which the project files shall be deleted.

#             -o, --out <var>

#                 Variable to store the path to.

#             -w, --wipe

#                 Delete .user files as well.

# return:

#  -  0: no error

#

function deleteProjects {

  local config=""

  local projectsdir=""

  local outvar=""

  local wipe=false

  local files=""

  # parse arguments

  local otherargs=()

  while [ $# -gt 0 ]; do

    if ( parseIsOption $1 ); then

      case "$1" in

        -p=*|--path=*)

          projectsdir=$(realpath "${1#*=}"); shift 1;;

        -p|--path)

          projectsdir=$(realpath "$2"); shift 2;;

        -c=*|--config=*)

          config="${1#*=}"; shift 1;;

        -c|--config)

          config="${2}"; shift 2;;

        -o=*|--out=*)

          outvar=${1#*=}; shift 1;;

        -o|--out)

          outvar=$2; shift 2;;

        -w|--wipe)

          wipe=true; shift 1;;

        *)

          printError "invalid option: $1\n"; shift 1;;

      esac

    else

      otherargs+=("$1")

      shift 1

    fi

  done

  # read absolute project directory if required

  if [ -z "$projectsdir" ]; then

    getProjectsDir projectsdir

  fi

  # list all files to be deleted

  if [ -z "$config" ]; then

    if [ $wipe != true ]; then

      files=$(find "${projectsdir}" -maxdepth 1 -type f | grep -E "^.+\.(includes|files|config|creator|cflags|cxxflags)$")

    else

      files=$(find "${projectsdir}" -maxdepth 1 -type f | grep -E "^.+\.(includes|files|config|creator|cflags|cxxflags|creator(\.user(\..+)?)?)$")

    fi

  else

    if [ $wipe != true ]; then

      files=$(find "${projectsdir}" -maxdepth 1 -type f | grep -E "^${config}_.+\.(includes|files|config|creator|cflags|cxxflags)$")

    else

      files=$(find "${projectsdir}" -maxdepth 1 -type f | grep -E "^${config}_.+\.(includes|files|config|creator|cflags|cxxflags|creator(\.user(\..+)?)?)$")

    fi

  fi

  if [ ! -z "$files" ]; then

    printInfo "Deleting the following files:\n"

    while read line; do

      printInfo "\t$(basename ${line})\n"

      rm ${line} 2>&1 | tee -a $LOG_FILE

    done <<< "${files}"

  else

    printInfo "No project files found\n"

  fi

  # store the path to the output variable, if required

  if [ ! -z "$outvar" ]; then

    eval $outvar="$projectsdir"

  fi

  return 0

}

### main function of this script ###############################################

# Creates, deletes and wipes QtCreator project files.

#

# usage:      see function printHelp

# arguments:  see function printHelp

# return:     0

#                 No error or warning ocurred.

#

function main {

# print welcome/info text if not suppressed

  if [[ $@ != *"--noinfo"* ]]; then

    printWelcomeText

  else

    printf "######################################################################\n"

  fi

  printf "\n"

  # if --help or -h was specified, print the help text and exit

  if [[ $@ == *"--help"* || $@ == *"-h"* ]]; then

    printHelp

    printf "\n"

    quitScript

  fi

  # set log file if specified

  if [[ $@ == *"--log"* ]] || [[ $@ == *"--LOG"* ]]; then

    # get the parameter (file name)

    local cmdidx=1

    while [[ ! "${!cmdidx}" = "--log"* ]] && [[ ! "${!cmdidx}" = "--LOG"* ]]; do

      cmdidx=$[cmdidx + 1]

    done

    local cmd="${!cmdidx}"

    local logfile=""

    if [[ "$cmd" = "--log="* ]] || [[ "$cmd" = "--LOG="* ]]; then

      logfile=${cmd#*=}

    else

      local filenameidx=$((cmdidx + 1))

      logfile="${!filenameidx}"

    fi

    # optionally force silent appending

    if [[ "$cmd" = "--LOG"* ]]; then

      setLogFile --option=c --quiet "$logfile" LOG_FILE

    else

      setLogFile "$logfile" LOG_FILE

      printf "\n"

    fi

  fi

  # log script name

  printLog "this is $(realpath ${BASH_SOURCE[0]})\n"

  # detect available configurations and inform user

  local configurations=()

  detectConfigurations configurations

  case "${#configurations[@]}" in

    0)

      printInfo "no configuration has been detected\n";;

    1)

      printInfo "1 configuration has been detected:\n";;

    *)

      printInfo "${#configurations[@]} configurations have been detected:\n";;

  esac

  for (( idx=0; idx<${#configurations[@]}; ++idx )); do

    printInfo "  - ${configurations[$idx]}\n"

  done

  printf "\n"

  # parse arguments

  local otherargs=()

  while [ $# -gt 0 ]; do

    if ( parseIsOption $1 ); then

      case "$1" in

        -h|--help) # already handled; ignore

          shift 1;;

        -p=*|--project=*)

          createConfigProjects configurations[@] --configuration="${1#*=}"; printf "\n"; shift 1;;

        -p|--project)

          createConfigProjects configurations[@] --configuration="${2}"; printf "\n"; shift 2;;

        -a|--all)

          createAllProjects configurations[@]; shift 1;;

        -c|--clean)

          deleteProjects; printf "\n"; shift 1;;

        -w|--wipe)

          deleteProjects --wipe; printf "\n"; shift 1;;

        -q|--quit)

          quitScript; shift 1;;

        --log=*|--LOG=*) # already handled; ignore

          shift 1;;

        --log|--LOG) # already handled; ignore

          shift 2;;

        --noinfo) # already handled; ignore

          shift 1;;

        *)

          printError "invalid option: $1\n"; shift 1;;

      esac

    else

      otherargs+=("$1")

      shift 1

    fi

  done

  # interactive menu

  while ( true ); do

    # main menu info prompt and selection

    printInfo "QtCreator setup main menu\n"

    printf "Please select one of the following actions:\n"

    printf "  [P] - create projects for a single configuration\n"

    printf "  [A] - create projects for all configurations\n"

    printf "  [C] - clean project files\n"

    printf "  [W] - wipe project and .user files\n"

    printf "  [Q] - quit this setup\n"

    local userinput=""

    readUserInput "PpAaCcWwQq" userinput

    printf "\n"

    # evaluate user selection

    case "$userinput" in

      P|p)

        createConfigProjects configurations[@]; printf "\n";;

      A|a)

        createAllProjects configurations[@]; printf "\n";;

      C|c)

        deleteProjects; printf "\n";;

      W|w)

        deleteProjects --wipe; printf "\n";;

      Q|q)

        quitScript;;

      *) # sanity check (exit with error)

        printError "unexpected argument: $userinput\n";;

    esac

  done

  exit 0

}

################################################################################

# SCRIPT ENTRY POINT                                                           #

################################################################################

main "$@"