home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1987 University of Maryland Department of Computer Science.
- * All rights reserved. Permission to copy for any purpose is hereby granted
- * so long as this copyright notice remains intact.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: dviclass.c,v 1.1 88/02/11 17:08:47 jim Exp $";
- #endif
-
- /*
- * dviclass - DVI code classification tables.
- */
-
- #include "dviclass.h"
-
- /* shorthand---in lowercase for contrast (read on!) */
- #define four(x) x, x, x, x
- #define six(x) four(x), x, x
- #define sixteen(x) four(x), four(x), four(x), four(x)
- #define sixty_four(x) sixteen(x), sixteen(x), sixteen(x), sixteen(x)
- #define one_twenty_eight(x) sixty_four(x), sixty_four(x)
-
- /*
- * This table contains the byte length of the single operand, or DPL_NONE
- * if no operand, or if it cannot be decoded this way.
- *
- * The sequences UNS1, UNS2, UNS3, SGN4 (`SEQ_U') and SGN1, SGN2, SGN3,
- * SGN4 (`SEQ_S') are rather common, and so we define macros for these.
- */
- #define SEQ_U DPL_UNS1, DPL_UNS2, DPL_UNS3, DPL_SGN4
- #define SEQ_S DPL_SGN1, DPL_SGN2, DPL_SGN3, DPL_SGN4
-
- char dvi_oplen[256] = {
- one_twenty_eight(DPL_NONE),
- /* characters 0 through 127 */
- SEQ_U, /* DVI_SET1 through DVI_SET4 */
- DPL_NONE, /* DVI_SETRULE */
- SEQ_U, /* DVI_PUT1 through DVI_PUT4 */
- DPL_NONE, /* DVI_PUTRULE */
- DPL_NONE, /* DVI_NOP */
- DPL_NONE, /* DVI_BOP */
- DPL_NONE, /* DVI_EOP */
- DPL_NONE, /* DVI_PUSH */
- DPL_NONE, /* DVI_POP */
- SEQ_S, /* DVI_RIGHT1 through DVI_RIGHT4 */
- DPL_NONE, /* DVI_W0 */
- SEQ_S, /* DVI_W1 through DVI_W4 */
- DPL_NONE, /* DVI_X0 */
- SEQ_S, /* DVI_X1 through DVI_X4 */
- SEQ_S, /* DVI_DOWN1 through DVI_DOWN4 */
- DPL_NONE, /* DVI_Y0 */
- SEQ_S, /* DVI_Y1 through DVI_Y4 */
- DPL_NONE, /* DVI_Z0 */
- SEQ_S, /* DVI_Z1 through DVI_Z4 */
- sixty_four(DPL_NONE), /* DVI_FNTNUM0 through DVI_FNTNUM63 */
- SEQ_U, /* DVI_FNT1 through DVI_FNT4 */
- SEQ_U, /* DVI_XXX1 through DVI_XXX4 */
- SEQ_U, /* DVI_FNTDEF1 through DVI_FNTDEF4 */
- DPL_NONE, /* DVI_PRE */
- DPL_NONE, /* DVI_POST */
- DPL_NONE, /* DVI_POSTPOST */
- six(DPL_NONE) /* 250 through 255 */
- };
-
- char dvi_dt[256] = {
- one_twenty_eight(DT_CHAR),
- /* characters 0 through 127 */
- four(DT_SET), /* DVI_SET1 through DVI_SET4 */
- DT_SETRULE, /* DVI_SETRULE */
- four(DT_PUT), /* DVI_PUT1 through DVI_PUT4 */
- DT_PUTRULE, /* DVI_PUTRULE */
- DT_NOP, /* DVI_NOP */
- DT_BOP, /* DVI_BOP */
- DT_EOP, /* DVI_EOP */
- DT_PUSH, /* DVI_PUSH */
- DT_POP, /* DVI_POP */
- four(DT_RIGHT), /* DVI_RIGHT1 through DVI_RIGHT4 */
- DT_W0, /* DVI_W0 */
- four(DT_W), /* DVI_W1 through DVI_W4 */
- DT_X0, /* DVI_X0 */
- four(DT_X), /* DVI_X1 through DVI_X4 */
- four(DT_DOWN), /* DVI_DOWN1 through DVI_DOWN4 */
- DT_Y0, /* DVI_Y0 */
- four(DT_Y), /* DVI_Y1 through DVI_Y4 */
- DT_Z0, /* DVI_Z0 */
- four(DT_Z), /* DVI_Z1 through DVI_Z4 */
- sixty_four(DT_FNTNUM), /* DVI_FNTNUM0 through DVI_FNTNUM63 */
- four(DT_FNT), /* DVI_FNT1 through DVI_FNT4 */
- four(DT_XXX), /* DVI_XXX1 through DVI_XXX4 */
- four(DT_FNTDEF), /* DVI_FNTDEF1 through DVI_FNTDEF4 */
- DT_PRE, /* DVI_PRE */
- DT_POST, /* DVI_POST */
- DT_POSTPOST, /* DVI_POSTPOST */
- six(DT_UNDEF) /* 250 through 255 */
- };
-