98 lines
3.1 KiB
Python
Executable File
98 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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from __future__ import print_function
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import re
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import os
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from pathlib import Path
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# Expected format:
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# #define XF86XK_FooBar 0x1234 /* some optional comment */
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# or:
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# #define XF86XK_FooBar _EVDEVK(0x123) /* some optional comment */
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# We also need to match commented evdev entries:
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# /* Use: XF86XK_FooBar _EVDEVK(0x123) some optional comment */
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keysym_entry_pattern = re.compile(
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r"""^
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(?P<define>\#define|/\*\s+Use:)\s+
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(?P<prefix>\w*)XK_(?P<name>\w+)(?P<spacing>\s+)
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(?P<evdev>_EVDEVK\()?(?P<value>0x[0-9A-Fa-f]+)(?(evdev)\))
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""",
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re.VERBOSE,
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)
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# Match remaining XK_ references in the comments, e.g we will replace:
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# XF86XK_CamelCaseKernelName _EVDEVK(kernel value)
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# #define XKB_KEY_SunCompose 0x0000FF20 /* Same as XK_Multi_key */
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# with:
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# XKB_KEY_XF86CamelCaseKernelName _EVDEVK(kernel value)
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# #define XKB_KEY_SunCompose 0x0000FF20 /* Same as XKB_KEY_Multi_key */
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xorgproto_keysym_prefix_pattern = re.compile(r"\b(?P<prefix>\w*)XK_(?!KOREAN\b)")
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def make_keysym_entry(m: re.Match[str]) -> str:
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"""
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Perform the substitutions
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"""
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if m.group("evdev"):
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if m.group("define").startswith("#"):
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# Replace the xorgproto _EVDEVK macro with the actual value:
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# 0x10081000 is the base, the evdev hex code is added to that.
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# We replace to make parsing of the keys later easier.
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value = 0x10081000 + int(m.group("value"), 16)
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value_str = f"{value:#x} "
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else:
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value_str = f"""_EVDEVK({m.group('value')})"""
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else:
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value_str = m.group("value")
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define = m.group("define")
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prefix = m.group("prefix") or ""
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name = m.group("name")
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spacing = m.group("spacing")
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return f"""{define} XKB_KEY_{prefix}{name}{spacing}{value_str}"""
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prefix = Path(os.environ.get("X11_HEADERS_PREFIX", "/usr"))
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HEADERS = (
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prefix / "include/X11/keysymdef.h",
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prefix / "include/X11/XF86keysym.h",
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prefix / "include/X11/Sunkeysym.h",
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prefix / "include/X11/DECkeysym.h",
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prefix / "include/X11/HPkeysym.h",
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)
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print(
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"""#ifndef _XKBCOMMON_KEYSYMS_H
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#define _XKBCOMMON_KEYSYMS_H
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/* This file is autogenerated; please do not commit directly. */
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/**
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* @file
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* Key symbols (keysyms) definitions.
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*/
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#define XKB_KEY_NoSymbol 0x000000 /* Special KeySym */
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"""
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)
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for path in HEADERS:
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with path.open("rt", encoding="utf-8") as header:
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for line in header:
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if "#ifdef" in line or "#ifndef" in line or "#endif" in line:
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continue
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# Remove #define _OSF_Keysyms and such.
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if "#define _" in line:
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continue
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# Handle a duplicate definition in HPkeysyms.h which kicks in if
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# it's not already defined.
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if "XK_Ydiaeresis" in line and "0x100000ee" in line:
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continue
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# Perform _EVDEV and XK_ substitutions
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line = keysym_entry_pattern.sub(make_keysym_entry, line)
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line = xorgproto_keysym_prefix_pattern.sub(r"XKB_KEY_\1", line)
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print(line, end="")
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print("\n\n#endif")
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