feat:初版

pz_config/writers.py

@@ -0,0 +1,87 @@
+from __future__ import annotations
+
+import re
+from typing import Mapping
+
+from .models import ParsedConfig, Setting
+
+
+def _to_ini_value(setting: Setting, new_value: object) -> str:
+    if setting.value_type == "bool":
+        return "true" if bool(new_value) else "false"
+    return str(new_value)
+
+
+def _lua_quote(value: str) -> str:
+    # Minimal Lua string escaping for double-quoted strings.
+    value = (
+        value.replace("\\", "\\\\")
+        .replace('"', '\\"')
+        .replace("\r", "\\r")
+        .replace("\n", "\\n")
+        .replace("\t", "\\t")
+    )
+    return f'"{value}"'
+
+
+def _to_lua_value(setting: Setting, new_value: object) -> str:
+    if setting.value_type == "bool":
+        return "true" if bool(new_value) else "false"
+    if setting.value_type == "int":
+        return str(int(new_value))
+    if setting.value_type == "float":
+        # Keep a plain, readable float representation.
+        return str(float(new_value))
+    return _lua_quote(str(new_value))
+
+
+def write_server_ini(parsed: ParsedConfig, updates: Mapping[str, object]) -> str:
+    if parsed.source != "ini":
+        raise ValueError("write_server_ini expects ParsedConfig(source='ini')")
+
+    lines = list(parsed.lines)
+    key_re = re.compile(r"^([A-Za-z0-9_]+)=(.*)$")
+    for setting in parsed.settings:
+        if setting.path not in updates:
+            continue
+        new_value = _to_ini_value(setting, updates[setting.path])
+        original = lines[setting.line_index]
+        line_no_nl = original.rstrip("\r\n")
+        newline = original[len(line_no_nl) :]
+        m = key_re.match(line_no_nl)
+        if not m:
+            continue
+        key = m.group(1)
+        lines[setting.line_index] = f"{key}={new_value}{newline}"
+    return "".join(lines)
+
+
+def write_sandboxvars_lua(parsed: ParsedConfig, updates: Mapping[str, object]) -> str:
+    if parsed.source != "lua":
+        raise ValueError("write_sandboxvars_lua expects ParsedConfig(source='lua')")
+
+    lines = list(parsed.lines)
+    for setting in parsed.settings:
+        if setting.path not in updates:
+            continue
+        new_value = _to_lua_value(setting, updates[setting.path])
+
+        original = lines[setting.line_index]
+        line_no_nl = original.rstrip("\r\n")
+        newline = original[len(line_no_nl) :]
+
+        # Replace between '=' and the final comma.
+        eq_index = line_no_nl.find("=")
+        comma_index = line_no_nl.rfind(",")
+        if eq_index == -1 or comma_index == -1 or comma_index <= eq_index:
+            continue
+
+        prefix = line_no_nl[: eq_index + 1]
+        # Preserve at least one space after '=' for readability.
+        prefix = prefix.rstrip() + " "
+        # Keep original indentation + key as-is.
+        suffix = line_no_nl[comma_index:] + newline
+        lines[setting.line_index] = f"{prefix}{new_value}{suffix}"
+
+    return "".join(lines)
+