V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

lib/1042_arg_parser.sh

@@ -0,0 +1,127 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
+# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
+# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
+# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.installer
+# SPDX-Security-Contact: security@coresecret.eu
+
+#######################################
+# Argument Parser
+# Globals:
+#   VAR_AUTO_INSTALL
+#   VAR_IN_DIALOG_WR
+#   VAR_PRIORITY
+#   VAR_REIONICE_CLASS
+#   VAR_REIONICE_PRIORITY
+# Arguments:
+#  None
+#######################################
+arg_parser() {
+  while [[ $# -gt 0 ]]; do
+    declare argument="${1}"
+      case "${argument,,}" in
+
+        -a | --autoinstall)
+          if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--autoinstall MUST NOT be followed by an argument."; fi
+          shift 1
+          ;;
+
+        -c | --contact)
+          if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--contact MUST NOT be followed by an argument."; fi
+          shift 1
+          ;;
+
+        -d | --debug)
+          shift 1
+          while [[ $# -gt 0 && ! "$1" =~ ^- ]]; do
+            shift 1
+          done
+          ;;
+
+        -h | --help)
+          if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--help MUST NOT be followed by an argument."; fi
+          shift 1
+          ;;
+
+        -l | --log)
+          case "${2,,}" in
+            info)
+              declare -gx DEFAULT_LOG_LEVEL="$2"
+              shift 2
+              ;;
+            notice)
+              declare -gx DEFAULT_LOG_LEVEL="$2"
+              shift 2
+              ;;
+            warn)
+              declare -gx DEFAULT_LOG_LEVEL="$2"
+              shift 2
+              ;;
+            error)
+              declare -gx DEFAULT_LOG_LEVEL="$2"
+              shift 2
+              ;;
+            emergency)
+              declare -gx DEFAULT_LOG_LEVEL="$2"
+              shift 2
+              ;;
+            *)
+              if [[ "${VAR_AUTO_INSTALL}" == false && "${VAR_IN_DIALOG_WR}" == true ]]; then dialog_gauge_cleaner; fi
+              usage
+              ;;
+            esac
+          ;;
+
+        -v | --version)
+          if [[ -n "${2}" && "${2}" != -* ]]; then arg_mismatch "--version MUST NOT be followed by an argument."; fi
+          shift 1
+          ;;
+
+        --renice-priority)
+          if [[ -n ${2} && ${2} =~ ^-?[0-9]+$ && ${2} -ge -19 && ${2} -le 19 ]]; then
+            declare -gix VAR_PRIORITY="${2}"
+            shift 2
+          else
+            arg_mismatch "--renice-priority MUST be an integer between '-19' and '19'."
+          fi
+          ;;
+
+        --reionice-priority)
+          if [[ -z "${2}" ]]; then
+            arg_mismatch "--reionice-priority no values provided."
+          else
+            if [[ "${2}" =~ ^[1-3]$ ]]; then
+              declare -gix VAR_REIONICE_CLASS="${2}"
+              if [[ -z "${3}" ]]; then
+                :
+              else
+                if [[ "${3}" =~ ^[0-7]$ ]]; then
+                  declare -gix VAR_REIONICE_PRIORITY="${3}"
+                else
+                  arg_mismatch "--reionice-priority PRIORITY MUST be an integer between '0' and '7'."
+                fi
+              fi
+            else
+              arg_mismatch "--reionice-priority CLASS MUST be an integer between '1' and '3'."
+            fi
+          fi
+          if [[ -n ${VAR_REIONICE_PRIORITY} ]]; then
+            shift 3
+          else
+            shift 2
+          fi
+          ;;
+
+        *)
+          if [[ "${VAR_AUTO_INSTALL}" == false && "${VAR_IN_DIALOG_WR}" == true ]]; then dialog_gauge_cleaner; fi
+          usage
+          ;;
+    esac
+  done
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh