From 7692763f83ad1be735b0b9e9ab0af8ce666d8de8 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 11 Nov 2024 01:12:29 +0800
Subject: HALF WORK: 2024.12.17

---
 tools/cru-py/cru/parsing.py | 155 ++++++++++++++++++++++++--------------------
 1 file changed, 85 insertions(+), 70 deletions(-)

(limited to 'tools/cru-py/cru/parsing.py')

diff --git a/tools/cru-py/cru/parsing.py b/tools/cru-py/cru/parsing.py
index be7bbf4..a9eee04 100644
--- a/tools/cru-py/cru/parsing.py
+++ b/tools/cru-py/cru/parsing.py
@@ -1,70 +1,85 @@
-from abc import ABCMeta, abstractmethod
-from typing import TypeVar, Generic, NoReturn, Callable
-
-from cru.excp import CruException, CRU_EXCEPTION_ATTR_DEF_REGISTRY
-
-R = TypeVar("R")
-
-
-class ParseException(CruException):
-    LINE_NUMBER_KEY = "line_number"
-
-    CRU_EXCEPTION_ATTR_DEF_REGISTRY.register_with(LINE_NUMBER_KEY, "Line number of the error.")
-
-
-class Parser(Generic[R], metaclass=ABCMeta):
-    def __init__(self, name: str) -> None:
-        self._name = name
-
-    @property
-    def name(self) -> str:
-        return self._name
-
-    @abstractmethod
-    def parse(self, s: str) -> R:
-        raise NotImplementedError()
-
-    def raise_parse_exception(self, s: str, line_number: int | None = None) -> NoReturn:
-        a = f" at line {line_number}" if line_number is not None else ""
-        raise ParseException(f"Parser {self.name} failed{a}, {s}")
-
-
-class SimpleLineConfigParser(Parser[list[tuple[str, str]]]):
-    def __init__(self) -> None:
-        super().__init__(type(self).__name__)
-
-    def _parse(self, s: str, f: Callable[[str, str], None]) -> None:
-        for ln, line in enumerate(s.splitlines()):
-            line_number = ln + 1
-            # check if it's a comment
-            if line.strip().startswith("#"):
-                continue
-            # check if there is a '='
-            if line.find("=") == -1:
-                self.raise_parse_exception(f"There is even no '='!", line_number)
-            # split at first '='
-            key, value = line.split("=", 1)
-            key = key.strip()
-            value = value.strip()
-            f(key, value)
-
-    def parse(self, s: str) -> list[tuple[str, str]]:
-        items = []
-        self._parse(s, lambda key, value: items.append((key, value)))
-        return items
-
-    def parse_to_dict(self, s: str, /, allow_override: bool = False) -> tuple[dict[str, str], list[tuple[str, str]]]:
-        d = {}
-        duplicate = []
-
-        def add(key: str, value: str) -> None:
-            if key in d:
-                if allow_override:
-                    duplicate.append((key, d[key]))
-                    d[key] = value
-                else:
-                    self.raise_parse_exception(f"Key '{key}' already exists!", None)
-            d[key] = value
-
-        self._parse(s, add)
-        return d, duplicate
+from abc import ABCMeta, abstractmethod
+from typing import TypeVar, Generic, NoReturn, Callable
+
+from ._error import CruException
+
+_T = TypeVar("_T")
+
+
+class ParseException(CruException):
+    def __init__(
+        self, message, text: str, line_number: int | None = None, *args, **kwargs
+    ):
+        super().__init__(message, *args, **kwargs)
+        self._text = text
+        self._line_number = line_number
+
+    @property
+    def text(self) -> str:
+        return self._text
+
+    @property
+    def line_number(self) -> int | None:
+        return self._line_number
+
+
+class Parser(Generic[_T], metaclass=ABCMeta):
+    def __init__(self, name: str) -> None:
+        self._name = name
+
+    @property
+    def name(self) -> str:
+        return self._name
+
+    @abstractmethod
+    def parse(self, s: str) -> _T:
+        raise NotImplementedError()
+
+    def raise_parse_exception(
+        self, text: str, line_number: int | None = None
+    ) -> NoReturn:
+        a = f" at line {line_number}" if line_number is not None else ""
+        raise ParseException(f"Parser {self.name} failed{a}.", text, line_number)
+
+
+class SimpleLineConfigParser(Parser[list[tuple[str, str]]]):
+    def __init__(self) -> None:
+        super().__init__(type(self).__name__)
+
+    def _parse(self, s: str, callback: Callable[[str, str], None]) -> None:
+        for ln, line in enumerate(s.splitlines()):
+            line_number = ln + 1
+            # check if it's a comment
+            if line.strip().startswith("#"):
+                continue
+            # check if there is a '='
+            if line.find("=") == -1:
+                self.raise_parse_exception("There is even no '='!", line_number)
+            # split at first '='
+            key, value = line.split("=", 1)
+            key = key.strip()
+            value = value.strip()
+            callback(key, value)
+
+    def parse(self, s: str) -> list[tuple[str, str]]:
+        items = []
+        self._parse(s, lambda key, value: items.append((key, value)))
+        return items
+
+    def parse_to_dict(
+        self, s: str, /, allow_override: bool = False
+    ) -> tuple[dict[str, str], list[tuple[str, str]]]:
+        result: dict[str, str] = {}
+        duplicate: list[tuple[str, str]] = []
+
+        def add(key: str, value: str) -> None:
+            if key in result:
+                if allow_override:
+                    duplicate.append((key, result[key]))
+                    result[key] = value
+                else:
+                    self.raise_parse_exception(f"Key '{key}' already exists!", None)
+            result[key] = value
+
+        self._parse(s, add)
+        return result, duplicate
-- 
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