src/cpl_cli/startup_argument_extension.py

@@ -1,7 +1,6 @@
 import os
 from typing import Optional
 
-from cpl_cli import CommandABC
 from cpl_cli.command.add_service import AddService
 from cpl_cli.command.build_service import BuildService
 from cpl_cli.command.custom_script_service import CustomScriptService
@@ -16,6 +15,8 @@ from cpl_cli.command.uninstall_service import UninstallService
 from cpl_cli.command.update_service import UpdateService
 from cpl_cli.command.version_service import VersionService
 from cpl_cli.configuration.workspace_settings import WorkspaceSettings
+from cpl_cli.validators.project_validator import ProjectValidator
+from cpl_cli.validators.workspace_validator import WorkspaceValidator
 from cpl_core.application import StartupExtensionABC
 from cpl_core.configuration.argument_type_enum import ArgumentTypeEnum
 from cpl_core.configuration.configuration_abc import ConfigurationABC
@@ -37,9 +38,7 @@ class StartupArgumentExtension(StartupExtensionABC):
             for file in f:
                 if file.endswith('.json'):
                     f_name = file.split('.json')[0]
-                    if f_name == name or \
-                            String.convert_to_camel_case(f_name).lower() == String.convert_to_camel_case(
-                        name).lower():
+                    if f_name == name or String.convert_to_camel_case(f_name).lower() == String.convert_to_camel_case(name).lower():
                         project_name = f_name
                         break
 
@@ -62,7 +61,7 @@ class StartupArgumentExtension(StartupExtensionABC):
 
         config.create_console_argument(ArgumentTypeEnum.Executable, '', 'add', ['a', 'A'], AddService, True) \
             .add_console_argument(ArgumentTypeEnum.Flag, '--', 'simulate', ['s', 'S'])
-        config.create_console_argument(ArgumentTypeEnum.Executable, '', 'build', ['b', 'B'], BuildService, True)
+        config.create_console_argument(ArgumentTypeEnum.Executable, '', 'build', ['b', 'B'], BuildService, True, validators=[ProjectValidator])
         config.create_console_argument(ArgumentTypeEnum.Executable, '', 'generate', ['g', 'G'], GenerateService, True) \
             .add_console_argument(ArgumentTypeEnum.Variable, '', 'abc', ['a', 'A'], ' ') \
             .add_console_argument(ArgumentTypeEnum.Variable, '', 'class', ['c', 'C'], ' ') \
@@ -87,24 +86,25 @@ class StartupArgumentExtension(StartupExtensionABC):
             .add_console_argument(ArgumentTypeEnum.Flag, '--', 'simulate', ['s', 'S'])
         config.create_console_argument(ArgumentTypeEnum.Executable, '', 'version', ['v', 'V'], VersionService, True)
 
-        config.for_each_argument(
-            lambda a: a.add_console_argument(ArgumentTypeEnum.Flag, '--', 'help', ['h', 'H'])
-        )
+        config.for_each_argument(lambda a: a.add_console_argument(ArgumentTypeEnum.Flag, '--', 'help', ['h', 'H']))
         config.create_console_argument(ArgumentTypeEnum.Executable, '', 'help', ['h', 'H'], HelpService)
 
         self._read_cpl_environment(config, env)
 
     def configure_services(self, services: ServiceCollectionABC, env: ApplicationEnvironmentABC):
-        services.add_transient(CommandABC, AddService)
-        services.add_transient(CommandABC, BuildService)
-        services.add_transient(CommandABC, CustomScriptService)
-        services.add_transient(CommandABC, GenerateService)
-        services.add_transient(CommandABC, HelpService)
-        services.add_transient(CommandABC, InstallService)
-        services.add_transient(CommandABC, NewService)
-        services.add_transient(CommandABC, PublishService)
-        services.add_transient(CommandABC, RemoveService)
-        services.add_transient(CommandABC, StartService)
-        services.add_transient(CommandABC, UninstallService)
-        services.add_transient(CommandABC, UpdateService)
-        services.add_transient(CommandABC, VersionService)
+        services.add_transient(WorkspaceValidator)
+        services.add_transient(ProjectValidator)
+
+        services.add_transient(AddService)
+        services.add_transient(BuildService)
+        services.add_transient(CustomScriptService)
+        services.add_transient(GenerateService)
+        services.add_transient(HelpService)
+        services.add_transient(InstallService)
+        services.add_transient(NewService)
+        services.add_transient(PublishService)
+        services.add_transient(RemoveService)
+        services.add_transient(StartService)
+        services.add_transient(UninstallService)
+        services.add_transient(UpdateService)
+        services.add_transient(VersionService)

src/cpl_cli/validators/__init__.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+"""
+cpl-cli sh-edraft Common Python library CLI
+~~~~~~~~~~~~~~~~~~~
+
+sh-edraft Common Python library Command Line Interface
+
+:copyright: (c) 2020 - 2022 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = 'cpl_cli.validators'
+__author__ = 'Sven Heidemann'
+__license__ = 'MIT'
+__copyright__ = 'Copyright (c) 2020 - 2022 sh-edraft.de'
+__version__ = '2022.6.3.dev6'
+
+from collections import namedtuple
+
+# imports:
+
+VersionInfo = namedtuple('VersionInfo', 'major minor micro')
+version_info = VersionInfo(major='2022', minor='6', micro='3.dev6')

src/cpl_cli/validators/project_validator.py

@@ -0,0 +1,18 @@
+from cpl_cli import Error
+from cpl_cli.configuration import WorkspaceSettings, ProjectSettings
+from cpl_core.configuration.validator_abc import ValidatorABC
+
+
+class ProjectValidator(ValidatorABC):
+
+    def __init__(self, workspace: WorkspaceSettings, project: ProjectSettings):
+        self._workspace = workspace
+        self._project = project
+
+        ValidatorABC.__init__(self)
+
+    def validate(self) -> bool:
+        result = self._project is not None or self._workspace is not None
+        if not result:
+            Error.error('The command requires to be run in an CPL project, but a project could not be found.')
+        return result

src/cpl_cli/validators/workspace_validator.py

@@ -0,0 +1,17 @@
+from cpl_cli import Error
+from cpl_cli.configuration import WorkspaceSettings
+from cpl_core.configuration.validator_abc import ValidatorABC
+
+
+class WorkspaceValidator(ValidatorABC):
+
+    def __init__(self, workspace: WorkspaceSettings):
+        self._workspace = workspace
+
+        ValidatorABC.__init__(self)
+
+    def validate(self) -> bool:
+        result = self._workspace is not None
+        if not result:
+            Error.error('The command requires to be run in an CPL workspace, but a workspace could not be found.')
+        return result

src/cpl_core/configuration/configuration.py

@@ -13,6 +13,7 @@ from cpl_core.configuration.configuration_model_abc import ConfigurationModelABC
 from cpl_core.configuration.configuration_variable_name_enum import ConfigurationVariableNameEnum
 from cpl_core.configuration.executable_argument import ExecutableArgument
 from cpl_core.configuration.flag_argument import FlagArgument
+from cpl_core.configuration.validator_abc import ValidatorABC
 from cpl_core.configuration.variable_argument import VariableArgument
 from cpl_core.console.console import Console
 from cpl_core.console.foreground_color_enum import ForegroundColorEnum
@@ -245,7 +246,7 @@ class Configuration(ConfigurationABC):
 
     def create_console_argument(self, arg_type: ArgumentTypeEnum, token: str, name: str, aliases: list[str],
                                 *args, **kwargs) -> ArgumentABC:
-        argument = ArgumentBuilder.build_argument(arg_type, token, name, aliases, *args, *kwargs)
+        argument = ArgumentBuilder.build_argument(arg_type, token, name, aliases, *args, **kwargs)
         self._argument_types.append(argument)
         return argument
 
@@ -285,6 +286,18 @@ class Configuration(ConfigurationABC):
         for exe in executables:
             if prevent:
                 continue
+
+            abort = False
+            for validator_type in exe.validators:
+                validator: ValidatorABC = services.get_service(validator_type)
+                result = validator.validate()
+                abort = not result
+                if abort:
+                    break
+
+            if abort:
+                continue
+
             cmd: CommandABC = services.get_service(exe.executable_type)
             self.add_configuration('ACTIVE_EXECUTABLE', exe.name)
             cmd.execute(self._additional_arguments)

src/cpl_core/configuration/executable_argument.py

@@ -2,6 +2,8 @@ from typing import Type, Optional
 
 from cpl_core.configuration.argument_executable_abc import ArgumentExecutableABC
 from cpl_core.configuration.argument_abc import ArgumentABC
+from cpl_core.configuration.validator_abc import ValidatorABC
+from cpl_core.console import Console
 
 
 class ExecutableArgument(ArgumentABC):
@@ -11,13 +13,16 @@ class ExecutableArgument(ArgumentABC):
                  name: str,
                  aliases: list[str],
                  executable: Type[ArgumentExecutableABC],
+                 prevent_next_executable: bool = False,
+                 validators: list[Type[ValidatorABC]] = None,
                  console_arguments: list['ArgumentABC'] = None
                  ):
 
         self._executable_type = executable
+        self._validators = validators
         self._executable: Optional[ArgumentExecutableABC] = None
 
-        ArgumentABC.__init__(self, token, name, aliases, console_arguments)
+        ArgumentABC.__init__(self, token, name, aliases, prevent_next_executable, console_arguments)
 
     @property
     def executable_type(self) -> type:
@@ -26,6 +31,10 @@ class ExecutableArgument(ArgumentABC):
     def set_executable(self, executable: ArgumentExecutableABC):
         self._executable = executable
 
+    @property
+    def validators(self) -> list[Type[ValidatorABC]]:
+        return self._validators
+
     def run(self, args: list[str]):
         r"""Executes runnable if exists
         """

src/cpl_core/configuration/flag_argument.py

@@ -7,7 +7,8 @@ class FlagArgument(ArgumentABC):
                  token: str,
                  name: str,
                  aliases: list[str],
+                 prevent_next_executable: bool = False,
                  console_arguments: list['ArgumentABC'] = None
                  ):
 
-        ArgumentABC.__init__(self, token, name, aliases, console_arguments)
+        ArgumentABC.__init__(self, token, name, aliases, prevent_next_executable, console_arguments)

src/cpl_core/configuration/validator_abc.py

@@ -0,0 +1,10 @@
+from abc import ABC, abstractmethod
+
+
+class ValidatorABC(ABC):
+
+    @abstractmethod
+    def __init__(self): pass
+
+    @abstractmethod
+    def validate(self) -> bool: pass

src/cpl_core/configuration/variable_argument.py

@@ -8,12 +8,13 @@ class VariableArgument(ArgumentABC):
                  name: str,
                  aliases: list[str],
                  value_token: str,
+                 prevent_next_executable: bool = False,
                  console_arguments: list['ArgumentABC'] = None
                  ):
         self._value_token = value_token
         self._value: str = ''
 
-        ArgumentABC.__init__(self, token, name, aliases, console_arguments)
+        ArgumentABC.__init__(self, token, name, aliases, prevent_next_executable, console_arguments)
 
     @property
     def value_token(self) -> str: