WebSVN – tendra.SVN – Diff – /branches/tendra5/src/producers/common/parse/char.c

+/*
+ * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of The TenDRA Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific, prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
 /*
     		 Crown Copyright (c) 1997
     This TenDRA(r) Computer Program is subject to Copyright
     owned by the United Kingdom Secretary of State for Defence
     acting through the Defence Evaluation and Research Agency
     (DERA).  It is made available to Recipients with a
     royalty-free licence for its use, reproduction, transfer
     to other parties and amendment for any purpose not excluding
     product development provided that any such use et cetera
     shall be deemed to be acceptance of the following conditions:-
         (1) Its Recipients shall ensure that this Notice is
         reproduced upon any copies or amended versions of it;
         (2) Any amended version of it shall be clearly marked to
         show both the nature of and the organisation responsible
         for the relevant amendment or amendments;
         (3) Its onward transfer from a recipient to another
         party shall be deemed to be that party's acceptance of
         these conditions;
         (4) DERA gives no warranty or assurance as to its
         quality or suitability for any purpose and DERA accepts
         no liability whatsoever in relation to any use to which
         it may be put.
 */
 /*
     ASCII FLAG
     This flag is true if the native codeset is ASCII.  It is initially -1
     indicating that the conversion tables have not been initialised.
 */
-int is_ascii = -1 ;
+int is_ascii = -1;
 /*
     CONVERSION TABLES
     These tables give the conversions of ASCII to and from the native
     codeset.  The ASCII to native table is deduced for the portable
     codeset from the list of characters in char.h which is given in
     ASCII sequence.
 */
-static character to_ascii_tab [ NO_CHAR + 1 ] ;
+static character to_ascii_tab[NO_CHAR + 1];
-static character from_ascii_tab [ NO_CHAR + 1 ] = {
+static character from_ascii_tab[NO_CHAR + 1] = {
 #define NONE			char_illegal
-#define CHAR_DATA( A, B, C, D )	( D ),
+#define CHAR_DATA(A, B, C, D)	(D),
 #include "char.h"
 #undef CHAR_DATA
-    NONE			/* dummy last element */
+	NONE			/* dummy last element */
-} ;
+};
 /*
     CONVERT A CHARACTER TO ASCII
     This routine converts the character c from the native codeset to
     ASCII.
 */
-unsigned long to_ascii
+unsigned long
-    PROTO_N ( ( c, ch ) )
-    PROTO_T ( unsigned long c X int *ch )
+to_ascii(unsigned long c, int *ch)
+{
-    if ( c < NO_CHAR ) {
+	if (c < NO_CHAR) {
-	c = ( unsigned long ) to_ascii_tab [c] ;
+		c = (unsigned long)to_ascii_tab[c];
-	*ch = CHAR_ASCII ;
+		*ch = CHAR_ASCII;
-    }
+	}
-    return ( c ) ;
+	return(c);
+}
 /*
     CONVERT A CHARACTER TO NATIVE CODESET
     This routine converts the character c to the native codeset from
     ASCII.
 */
-unsigned long from_ascii
+unsigned long
-    PROTO_N ( ( c, ch ) )
-    PROTO_T ( unsigned long c X int *ch )
+from_ascii(unsigned long c, int *ch)
 {
-    if ( c < NO_CHAR ) {
+	if (c < NO_CHAR) {
-	c = ( unsigned long ) from_ascii_tab [c] ;
+		c = (unsigned long)from_ascii_tab[c];
-	*ch = CHAR_SIMPLE ;
+		*ch = CHAR_SIMPLE;
-    }
+	}
-    return ( c ) ;
+	return(c);
 }
 /*
     TRANSFORM A TABLE FROM ASCII TO NATIVE CODESET
     This routine maps the look-up table p from ASCII to native codeset.
 */
-void map_ascii
+void
-    PROTO_N ( ( p ) )
-    PROTO_T ( unsigned char *p )
+map_ascii(unsigned char *p)
+{
-    unsigned c ;
+	unsigned c;
-    int asc = is_ascii ;
+	int asc = is_ascii;
-    if ( asc == -1 ) {
+	if (asc == -1) {
-	/* Set up conversion tables */
+		/* Set up conversion tables */
-	asc = 1 ;
+		asc = 1;
-	for ( c = 0 ; c < NO_CHAR ; c++ ) {
+		for (c = 0; c < NO_CHAR; c++) {
-	    to_ascii_tab [c] = ( character ) c ;
+			to_ascii_tab[c] = (character)c;
+		}
+		for (c = 0; c < NO_CHAR; c++) {
+			unsigned a = (unsigned)from_ascii_tab[c];
+			if (a == NONE) {
+				a = c;
+			}
+			if (a != c) {
+				asc = 0;
+			}
+			from_ascii_tab[c] = (character)a;
+			to_ascii_tab[a] = (character)c;
+		}
+		is_ascii = asc;
+	}
-	for ( c = 0 ; c < NO_CHAR ; c++ ) {
-	    unsigned a = ( unsigned ) from_ascii_tab [c] ;
-	    if ( a == NONE ) a = c ;
-	    if ( a != c ) asc = 0 ;
-	    from_ascii_tab [c] = ( character ) a ;
-	    to_ascii_tab [a] = ( character ) c ;
-	}
-	is_ascii = asc ;
-    }
-    if ( asc == 0 ) {
+	if (asc == 0) {
-	/* Map table */
+		/* Map table */
-	unsigned char b = p [ NONE ] ;
+		unsigned char b = p[NONE];
-	unsigned char copy [ NO_CHAR ] ;
+		unsigned char copy[NO_CHAR];
-	for ( c = 0 ; c < NO_CHAR ; c++ ) {
+		for (c = 0; c < NO_CHAR; c++) {
-	    copy [c] = p [c] ;
+			copy[c] = p[c];
-	    p [c] = b ;
+			p[c] = b;
-	}
+		}
-	SET ( copy ) ;
+		SET(copy);
-	for ( c = 0 ; c < NO_CHAR ; c++ ) {
+		for (c = 0; c < NO_CHAR; c++) {
-	    character a = from_ascii_tab [c] ;
+			character a = from_ascii_tab[c];
-	    p [a] = copy [c] ;
+			p[a] = copy[c];
+		}
+	}
-    }
-    return ;
+	return;
+}
 /*
     TABLE OF ALPHABETIC UNICODE CHARACTERS
     derived from Annex E of the standard (which derives from ISO/IEC
     PDTR 10176) with two misprints corrected.  0e0d should be 0e8d
     and 5e76 should be fe76.  Note that the upper and lower case
     English alphabets have been included even though they are not
     valid universal character names.
 #if FS_NUMBER_SUFFIX
-    { 0x4e00UL, 0x9fa5UL }, { 0xf900UL, 0xfa2dUL }, { 0xfb1fUL, 0xfb36UL },
+	{ 0x4e00UL, 0x9fa5UL }, { 0xf900UL, 0xfa2dUL }, { 0xfb1fUL, 0xfb36UL },
-    { 0xfb38UL, 0xfb3cUL }, { 0xfb3eUL, 0xfb3eUL }, { 0xfb40UL, 0xfb41UL },
+	{ 0xfb38UL, 0xfb3cUL }, { 0xfb3eUL, 0xfb3eUL }, { 0xfb40UL, 0xfb41UL },
-    { 0xfb42UL, 0xfb44UL }, { 0xfb46UL, 0xfbb1UL }, { 0xfbd3UL, 0xfd3fUL },
+	{ 0xfb42UL, 0xfb44UL }, { 0xfb46UL, 0xfbb1UL }, { 0xfbd3UL, 0xfd3fUL },
-    { 0xfd50UL, 0xfd8fUL }, { 0xfd92UL, 0xfdc7UL }, { 0xfdf0UL, 0xfdfbUL },
+	{ 0xfd50UL, 0xfd8fUL }, { 0xfd92UL, 0xfdc7UL }, { 0xfdf0UL, 0xfdfbUL },
-    { 0xfe70UL, 0xfe72UL }, { 0xfe74UL, 0xfe74UL }, { 0xfe76UL, 0xfefcUL },
+	{ 0xfe70UL, 0xfe72UL }, { 0xfe74UL, 0xfe74UL }, { 0xfe76UL, 0xfefcUL },
-    { 0xff21UL, 0xff3aUL }, { 0xff41UL, 0xff5aUL }, { 0xff66UL, 0xffbeUL },
+	{ 0xff21UL, 0xff3aUL }, { 0xff41UL, 0xff5aUL }, { 0xff66UL, 0xffbeUL },
-    { 0xffc2UL, 0xffc7UL }, { 0xffcaUL, 0xffcfUL }, { 0xffd2UL, 0xffd7UL },
+	{ 0xffc2UL, 0xffc7UL }, { 0xffcaUL, 0xffcfUL }, { 0xffd2UL, 0xffd7UL },
-    { 0xffdaUL, 0xffdcUL }
+	{ 0xffdaUL, 0xffdcUL }
 #else
-    { 0x4e00, 0x9fa5 }, { 0xf900, 0xfa2d }, { 0xfb1f, 0xfb36 },
+	{ 0x4e00, 0x9fa5 }, { 0xf900, 0xfa2d }, { 0xfb1f, 0xfb36 },
-    { 0xfb38, 0xfb3c }, { 0xfb3e, 0xfb3e }, { 0xfb40, 0xfb41 },
+	{ 0xfb38, 0xfb3c }, { 0xfb3e, 0xfb3e }, { 0xfb40, 0xfb41 },
-    { 0xfb42, 0xfb44 }, { 0xfb46, 0xfbb1 }, { 0xfbd3, 0xfd3f },
+	{ 0xfb42, 0xfb44 }, { 0xfb46, 0xfbb1 }, { 0xfbd3, 0xfd3f },
-    { 0xfd50, 0xfd8f }, { 0xfd92, 0xfdc7 }, { 0xfdf0, 0xfdfb },
+	{ 0xfd50, 0xfd8f }, { 0xfd92, 0xfdc7 }, { 0xfdf0, 0xfdfb },
-    { 0xfe70, 0xfe72 }, { 0xfe74, 0xfe74 }, { 0xfe76, 0xfefc },
+	{ 0xfe70, 0xfe72 }, { 0xfe74, 0xfe74 }, { 0xfe76, 0xfefc },
-    { 0xff21, 0xff3a }, { 0xff41, 0xff5a }, { 0xff66, 0xffbe },
+	{ 0xff21, 0xff3a }, { 0xff41, 0xff5a }, { 0xff66, 0xffbe },
-    { 0xffc2, 0xffc7 }, { 0xffca, 0xffcf }, { 0xffd2, 0xffd7 },
+	{ 0xffc2, 0xffc7 }, { 0xffca, 0xffcf }, { 0xffd2, 0xffd7 },
-    { 0xffda, 0xffdc }
+	{ 0xffda, 0xffdc }
 #endif
-} ;
+};
 /*
     DOES A UNICODE CHARACTER REPRESENT AN ALPHABETIC VALUE?
     This routine checks whether the unicode character c represents an
     alphabetic value suitable for use in an identifier name.  It
     operates by performing a binary chop on the table above.
 */
-int unicode_alpha
+int
-    PROTO_N ( ( c ) )
-    PROTO_T ( unsigned long c )
+unicode_alpha(unsigned long c)
+{
-    int i = 0 ;
+	int i = 0;
-    int j = array_size ( alpha_range ) - 1 ;
+	int j = array_size(alpha_range) - 1;
-    do {
+	do {
-	int k = ( i + j ) / 2 ;
+		int k = (i + j) / 2;
-	if ( c < alpha_range [k].lo ) {
+		if (c < alpha_range[k].lo) {
-	    /* Lower half */
+			/* Lower half */
-	    j = k - 1 ;
+			j = k - 1;
-	} else if ( c > alpha_range [k].hi ) {
+		} else if (c > alpha_range[k].hi) {
-	    /* Upper half */
+			/* Upper half */
-	    i = k + 1 ;
+			i = k + 1;
-	} else {
+		} else {
-	    /* Match found */
+			/* Match found */
-	    return ( 1 ) ;
+			return(1);
-	}
+		}
-    } while ( i <= j ) ;
+	} while (i <= j);
-    return ( 0 ) ;
+	return(0);
+}

Subversion Repositories tendra.SVN

(root)/branches/tendra5/src/producers/common/parse/char.c – Rev 5 → 6