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authorB. Watson <yalhcru@gmail.com>2015-05-07 16:32:32 -0400
committerB. Watson <yalhcru@gmail.com>2015-05-07 16:32:32 -0400
commit013ac7742311556022304e8b30ca170d48b3a016 (patch)
tree53faa33e75991363f1a6dcc7edc83a66b70e6995 /ching/printching
downloadbsd-games-extra-013ac7742311556022304e8b30ca170d48b3a016.tar.gz
initial commit
Diffstat (limited to 'ching/printching')
-rw-r--r--ching/printching/Makefile7
-rw-r--r--ching/printching/pathnames.h38
-rw-r--r--ching/printching/printching.c326
3 files changed, 371 insertions, 0 deletions
diff --git a/ching/printching/Makefile b/ching/printching/Makefile
new file mode 100644
index 0000000..8ccb39b
--- /dev/null
+++ b/ching/printching/Makefile
@@ -0,0 +1,7 @@
+# $NetBSD: Makefile,v 1.1 2005/06/30 13:30:33 perry Exp $
+
+PROG= printching
+NOMAN= # defined
+BINDIR= /usr/libexec/ching
+
+.include <bsd.prog.mk>
diff --git a/ching/printching/pathnames.h b/ching/printching/pathnames.h
new file mode 100644
index 0000000..d996266
--- /dev/null
+++ b/ching/printching/pathnames.h
@@ -0,0 +1,38 @@
+/* $NetBSD: pathnames.h,v 1.1 2005/06/30 13:30:33 perry Exp $ */
+
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ * @(#)pathnames.h 8.1 (Berkeley) 5/31/93
+ */
+
+#define _PATH_HEX "/usr/share/games/ching/hexagrams"
diff --git a/ching/printching/printching.c b/ching/printching/printching.c
new file mode 100644
index 0000000..bde1068
--- /dev/null
+++ b/ching/printching/printching.c
@@ -0,0 +1,326 @@
+/* $NetBSD: printching.c,v 1.5 2011/08/31 16:24:55 plunky Exp $ */
+
+/*
+ * Copyright (c) 1988, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Guy Harris.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1988, 1993\
+ The Regents of the University of California. All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)ching.phx.c 8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: printching.c,v 1.5 2011/08/31 16:24:55 plunky Exp $");
+#endif
+#endif /* not lint */
+
+/*
+ * printching - Print NROFF/TROFF source of change, given the line values.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ching.h"
+#include "pathnames.h"
+
+static int changes(void);
+static int codem(int a);
+static int doahex(void);
+static void phx(int hexagram, int flag);
+
+static const struct {
+ int lines; /* encoded value of lines */
+ int trinum; /* trigram number */
+} table[] = {
+ { 777, 0 }, /* 1 */
+ { 887, 1 }, /* 4 */
+ { 878, 2 }, /* 6 */
+ { 788, 3 }, /* 7 */
+ { 888, 4 }, /* 8 */
+ { 778, 5 }, /* 5 */
+ { 787, 6 }, /* 3 */
+ { 877, 7 }, /* 2 */
+};
+
+/*
+ * Gives hexagram number from two component trigrams.
+ */
+static const int crosstab[8][8] = {
+ {1, 34, 5, 26, 11, 9, 14, 43},
+ {25, 51, 3, 27, 24, 42, 21, 17},
+ {6, 40, 29, 4, 7, 59, 64, 47},
+ {33, 62, 39, 52, 15, 53, 56, 31},
+ {12, 16, 8, 23, 2, 20, 35, 45},
+ {44, 32, 48, 18, 46, 57, 50, 28},
+ {13, 55, 63, 22, 36, 37, 30, 49},
+ {10, 54, 60, 41, 19, 61, 38, 58}
+};
+
+static int trigrams[6];
+static int moving[6];
+
+static FILE *chingf; /* stream to read the hexagram file */
+
+/*ARGSUSED*/
+int
+main(int argc, char **argv)
+{
+ char *hexptr; /* pointer to string of lines */
+ char hexstr[6+1]; /* buffer for reading lines in */
+ int i;
+
+ if (argc < 2)
+ hexptr = fgets(hexstr, 6+1, stdin);
+ else
+ hexptr = argv[1];
+ if (hexptr == NULL || strlen(hexptr) != 6) {
+ fprintf(stderr, "What kind of a change is THAT?!?\n");
+ exit(1);
+ }
+ for (i = 0; i < 6; i++) {
+ trigrams[i] = hexptr[i] - '0';
+ if (trigrams[i] == 6 || trigrams[i] == 9)
+ moving[i] = 1;
+ else
+ moving[i] = 0;
+ }
+ if ((chingf = fopen(_PATH_HEX, "r")) == NULL) {
+ fprintf(stderr, "ching: can't read %s\n", _PATH_HEX);
+ exit(2);
+ }
+ phx(doahex(), 0);
+ if (changes())
+ phx(doahex(), 1);
+ exit(0);
+}
+
+/*
+ * Compute the hexagram number, given the trigrams.
+ */
+static int
+doahex(void)
+{
+ int lower, upper; /* encoded values of lower and upper trigrams */
+ int lnum = 0, unum = 0; /* indices of upper and lower trigrams */
+ int i;
+
+ lower = codem(0);
+ upper = codem(3);
+ for (i = 0; i < 8; i++) {
+ if (table[i].lines == lower)
+ lnum = table[i].trinum;
+ if (table[i].lines == upper)
+ unum = table[i].trinum;
+ }
+ return(crosstab[lnum][unum]);
+}
+
+/*
+ * Encode a trigram as a 3-digit number; the digits, from left to right,
+ * represent the lines. 7 is a solid (yang) line, 8 is a broken (yin) line.
+ */
+static int
+codem(int a)
+{
+ int code, i;
+ int factor[3];
+
+ factor[0] = 1;
+ factor[1] = 10;
+ factor[2] = 100;
+ code = 0;
+
+ for (i = a; i < a + 3; i++) {
+ switch(trigrams[i]) {
+
+ case YYANG:
+ case OYANG:
+ code += factor[i%3]*7;
+ break;
+
+ case OYIN:
+ case YYIN:
+ code += factor[i%3]*8;
+ break;
+ }
+ }
+ return(code);
+}
+
+/*
+ * Compute the changes based on moving lines; return 1 if any lines moved,
+ * 0 if no lines moved.
+ */
+static int
+changes(void)
+{
+ int cflag;
+ int i;
+
+ cflag = 0;
+ for (i = 0; i < 6; i++) {
+ if (trigrams[i] == OYIN) {
+ trigrams[i] = YYANG;
+ cflag++;
+ } else if (trigrams[i] == OYANG) {
+ trigrams[i] = YYIN;
+ cflag++;
+ }
+ }
+ return(cflag);
+}
+
+/*
+ * Print the NROFF/TROFF source of a hexagram, given the hexagram number;
+ * if flag is 0, print the entire source; if flag is 1, ignore the meanings
+ * of the lines.
+ */
+static void
+phx(int hexagram, int flag)
+{
+ char textln[128+1]; /* buffer for text line */
+ char *lp; /* pointer into buffer */
+ int thishex; /* number of hexagram just read */
+ int lineno; /* number of line read in */
+ int allmoving; /* 1 if all lines are moving */
+ int i;
+
+ /*
+ * Search for the hexagram; it begins with a line of the form
+ * .H <hexagram number> <other data>.
+ */
+ rewind(chingf);
+ for (;;) {
+ if (fgets(textln, sizeof(textln), chingf) == NULL) {
+ fprintf(stderr, "ching: Hexagram %d missing\n",
+ hexagram);
+ exit(3);
+ }
+ lp = &textln[0];
+ if (*lp++ != '.' || *lp++ != 'H')
+ continue;
+ while (*lp++ == ' ')
+ ;
+ lp--;
+ thishex = atoi(lp);
+ if (thishex < 1 || thishex > 64)
+ continue;
+ if (thishex == hexagram)
+ break;
+ }
+
+ /*
+ * Print up to the line commentary, which ends with a line of the form
+ * .L <position> <value>
+ */
+ fputs(textln, stdout);
+ for (;;) {
+ if (fgets(textln, sizeof(textln), chingf) == NULL) {
+ fprintf(stderr, "ching: Hexagram %d malformed\n",
+ hexagram);
+ exit(3);
+ }
+ lp = &textln[0];
+ if (*lp++ == '.') {
+ if (*lp++ == 'L')
+ break;
+ }
+ fputs(textln, stdout);
+ }
+
+ /*
+ * Now print the line commentaries, if this is the first hexagram.
+ */
+ if (flag)
+ return;
+
+ /*
+ * If a line is moving, print its commentary.
+ * The text of the commentary ends with a line either of the form
+ * .L <position> <value>
+ * or of the form
+ * .LA <value>
+ * or of the form
+ * .H <hexagram number> <other arguments>
+ */
+ allmoving = 1;
+ for (i = 0; i < 6; i++) {
+ while (*lp++ == ' ')
+ ;
+ lp--;
+ lineno = atoi(lp);
+ if (i + 1 != lineno) {
+ fprintf(stderr, "ching: Hexagram %d malformed\n",
+ hexagram);
+ exit(3);
+ }
+ if (moving[i])
+ fputs(textln, stdout);
+ else
+ allmoving = 0;
+ for (;;) {
+ if (fgets(textln, sizeof(textln), chingf) == NULL)
+ break;
+ lp = &textln[0];
+ if (*lp++ == '.' && (*lp == 'L' || *lp == 'H')) {
+ lp++;
+ break;
+ }
+ if (moving[i])
+ fputs(textln, stdout);
+ }
+ }
+
+ /*
+ * If all the lines are moving, print the commentary for that; it
+ * ends with a line of the form
+ * .H <hexagram number> <other arguments>
+ */
+ if (*lp == 'A' && allmoving) {
+ fputs(textln, stdout);
+ for (;;) {
+ if (fgets(textln, sizeof(textln), chingf) == NULL)
+ break;
+ lp = &textln[0];
+ if (*lp++ == '.' || *lp++ == 'H')
+ break;
+ fputs(textln, stdout);
+ }
+ }
+}