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