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Diffstat (limited to 'db/mork/src/morkCh.h')
-rw-r--r-- | db/mork/src/morkCh.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/db/mork/src/morkCh.h b/db/mork/src/morkCh.h new file mode 100644 index 000000000..1d77ec64e --- /dev/null +++ b/db/mork/src/morkCh.h @@ -0,0 +1,126 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef _MORKCH_ +#define _MORKCH_ 1 + +#ifndef _MORK_ +#include "mork.h" +#endif + +/* this byte char predicate header file derives from public domain Mithril */ +/* (that means much of this has a copyright dedicated to the public domain) */ + +/* Use all 8 pred bits; lose some pred bits only if we need to reuse them. */ + +/* ch pred bits: W:white D:digit V:value U:upper L:lower N:name M:more */ +#define morkCh_kW (1 << 0) +#define morkCh_kD (1 << 1) +#define morkCh_kV (1 << 2) +#define morkCh_kU (1 << 3) +#define morkCh_kL (1 << 4) +#define morkCh_kX (1 << 5) +#define morkCh_kN (1 << 6) +#define morkCh_kM (1 << 7) + +extern const mork_flags morkCh_Type[]; /* 256 byte predicate bits ch map */ + +/* is a numeric decimal digit: (note memory access might be slower) */ +/* define morkCh_IsDigit(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kD ) */ +#define morkCh_IsDigit(c) ( ((mork_ch) c) >= '0' && ((mork_ch) c) <= '9' ) + +/* is a numeric octal digit: */ +#define morkCh_IsOctal(c) ( ((mork_ch) c) >= '0' && ((mork_ch) c) <= '7' ) + +/* is a numeric hexadecimal digit: */ +#define morkCh_IsHex(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kX ) + +/* is value (can be printed in Mork value without needing hex or escape): */ +#define morkCh_IsValue(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kV ) + +/* is white space : */ +#define morkCh_IsWhite(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kW ) + +/* is name (can start a Mork name): */ +#define morkCh_IsName(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kN ) + +/* is name (can continue a Mork name): */ +#define morkCh_IsMore(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kM ) + +/* is alphabetic upper or lower case */ +#define morkCh_IsAlpha(c) \ + ( morkCh_Type[ (mork_ch)(c) ] & (morkCh_kL|morkCh_kU) ) + +/* is alphanumeric, including lower case, upper case, and digits */ +#define morkCh_IsAlphaNum(c) \ + (morkCh_Type[ (mork_ch)(c) ]&(morkCh_kL|morkCh_kU|morkCh_kD)) + +/* ````` repeated testing of predicate bits in single flag byte ````` */ + +#define morkCh_GetFlags(c) ( morkCh_Type[ (mork_ch)(c) ] ) + +#define morkFlags_IsDigit(f) ( (f) & morkCh_kD ) +#define morkFlags_IsHex(f) ( (f) & morkCh_kX ) +#define morkFlags_IsValue(f) ( (f) & morkCh_kV ) +#define morkFlags_IsWhite(f) ( (f) & morkCh_kW ) +#define morkFlags_IsName(f) ( (f) & morkCh_kN ) +#define morkFlags_IsMore(f) ( (f) & morkCh_kM ) +#define morkFlags_IsAlpha(f) ( (f) & (morkCh_kL|morkCh_kU) ) +#define morkFlags_IsAlphaNum(f) ( (f) & (morkCh_kL|morkCh_kU|morkCh_kD) ) + +#define morkFlags_IsUpper(f) ( (f) & morkCh_kU ) +#define morkFlags_IsLower(f) ( (f) & morkCh_kL ) + +/* ````` character case (e.g. for case insensitive operations) ````` */ + + +#define morkCh_IsAscii(c) ( ((mork_u1) c) <= 0x7F ) +#define morkCh_IsSevenBitChar(c) ( ((mork_u1) c) <= 0x7F ) + +/* ````` character case (e.g. for case insensitive operations) ````` */ + +#define morkCh_ToLower(c) ((c)-'A'+'a') +#define morkCh_ToUpper(c) ((c)-'a'+'A') + +/* extern int morkCh_IsUpper (int c); */ +#define morkCh_IsUpper(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kU ) + +/* extern int morkCh_IsLower (int c); */ +#define morkCh_IsLower(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kL ) + +#endif +/* _MORKCH_ */ |