work on v0.3.0

argenta/command/parse_input_command/entity.py

@@ -0,0 +1,38 @@
+from typing import Literal, LiteralString
+from argenta.command.entity import Command
+from argenta.command.params.flag.entity import Flag
+from argenta.command.params.flags_group.entity import FlagsGroup
+from .exceptions import InvalidInputFlagsException
+
+
+class ParseInputCommand:
+    def __new__(cls, *args, **kwargs):
+        raw_command = kwargs['raw_command']
+        return ParseInputCommand.parse(raw_command)
+
+    @staticmethod
+    def parse(raw_command: str) -> Command:
+        list_of__ = raw_command.split()
+        command = list_of__[0]
+        list_of__.pop(0)
+
+        flags = []
+        for k, _ in enumerate(list_of__):
+            if not _.startswith('-') or len( _[:len(_.lstrip('-'))]) > 3:
+                raise InvalidInputFlagsException()
+            else:
+                flag_name: str = _.lstrip('-')
+                flag_prefix = _[:len(flag_name)]
+
+                parse_flag = Flag(flag_name=flag_name,
+                                  flag_prefix=flag_prefix)
+
+                flags.append(parse_flag)
+
+        if len(flags) == 0:
+            return Command(command=command)
+        elif len(flags) == 1:
+            return Command(command=command, flags=flags[0])
+        else:
+            flags = FlagsGroup(flags=flags)
+            return Command(command=command, flags=flags)