summaryrefslogtreecommitdiffstats
path: root/db/mork/src/morkCh.h
diff options
context:
space:
mode:
Diffstat (limited to 'db/mork/src/morkCh.h')
-rw-r--r--db/mork/src/morkCh.h126
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_ */