/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2022 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "tool/plinko/lib/char.h" pureconst bool IsHex(int c) { return ((L'0' <= c && c <= L'9') || (L'A' <= c && c <= L'F') || (L'a' <= c && c <= L'f')); } pureconst int GetDiglet(int c) { if (IsDigit(c)) return c - L'0'; if (IsUpper(c)) return c - L'A' + 10; if (IsLower(c)) return c - L'a' + 10; return -1; } pureconst bool IsSpace(int c) { switch (c) { case L' ': case L'\t': case L'\n': case L'\f': case L'\v': case L'\r': return true; default: return false; } } pureconst bool IsParen(int c) { switch (c) { case L'(': case L')': case L'[': case L']': case L'{': case L'}': return true; default: return false; } }