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Diffstat (limited to 'contrib/groff/src/xditview/parse.c')
-rw-r--r--contrib/groff/src/xditview/parse.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/contrib/groff/src/xditview/parse.c b/contrib/groff/src/xditview/parse.c
deleted file mode 100644
index d763268c4dfb..000000000000
--- a/contrib/groff/src/xditview/parse.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * parse.c
- *
- * parse dvi input
- */
-
-#include <X11/Xos.h>
-#include <X11/IntrinsicP.h>
-#include <X11/StringDefs.h>
-#include <stdio.h>
-#include <ctype.h>
-#include "DviP.h"
-
-static int StopSeen = 0;
-static ParseDrawFunction(), ParseDeviceControl();
-static push_env(), pop_env();
-
-#define HorizontalMove(dw, delta) ((dw)->dvi.state->x += (delta))
-
-
-ParseInput(dw)
- register DviWidget dw;
-{
- int n, k;
- int c;
- char Buffer[BUFSIZ];
- int NextPage;
- int otherc;
-
- StopSeen = 0;
-
- /*
- * make sure some state exists
- */
-
- if (!dw->dvi.state)
- push_env (dw);
- for (;;) {
- switch (DviGetC(dw, &c)) {
- case '\n':
- break;
- case ' ': /* when input is text */
- case 0: /* occasional noise creeps in */
- break;
- case '{': /* push down current environment */
- push_env(dw);
- break;
- case '}':
- pop_env(dw);
- break;
- /*
- * two motion digits plus a character
- */
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- HorizontalMove(dw, (c-'0')*10 +
- DviGetC(dw,&otherc)-'0');
- /* fall through */
- case 'c': /* single ascii character */
- DviGetC(dw,&c);
- if (c == ' ')
- break;
- Buffer[0] = c;
- Buffer[1] = '\0';
- (void) PutCharacter (dw, Buffer);
- break;
- case 'C':
- GetWord (dw, Buffer, BUFSIZ);
- (void) PutCharacter (dw, Buffer);
- break;
- case 't':
- Buffer[1] = '\0';
- while (DviGetC (dw, &c) != EOF
- && c != ' ' && c != '\n') {
- Buffer[0] = c;
- HorizontalMove (dw, PutCharacter (dw, Buffer));
- }
- break;
- case 'u':
- n = GetNumber(dw);
- Buffer[1] = '\0';
- while (DviGetC (dw, &c) == ' ')
- ;
- while (c != EOF && c != ' ' && c != '\n') {
- Buffer[0] = c;
- HorizontalMove (dw,
- PutCharacter (dw, Buffer) + n);
- DviGetC (dw, &c);
- }
- break;
-
- case 'D': /* draw function */
- (void) GetLine(dw, Buffer, BUFSIZ);
- if (dw->dvi.display_enable)
- ParseDrawFunction(dw, Buffer);
- break;
- case 's': /* ignore fractional sizes */
- n = GetNumber(dw);
- dw->dvi.state->font_size = n;
- break;
- case 'f':
- n = GetNumber(dw);
- dw->dvi.state->font_number = n;
- break;
- case 'H': /* absolute horizontal motion */
- k = GetNumber(dw);
- HorizontalGoto(dw, k);
- break;
- case 'h': /* relative horizontal motion */
- k = GetNumber(dw);
- HorizontalMove(dw, k);
- break;
- case 'w': /* word space */
- Word (dw);
- break;
- case 'V':
- n = GetNumber(dw);
- VerticalGoto(dw, n);
- break;
- case 'v':
- n = GetNumber(dw);
- VerticalMove(dw, n);
- break;
- case 'P': /* new spread */
- break;
- case 'p': /* new page */
- (void) GetNumber(dw);
- NextPage = dw->dvi.current_page + 1;
- RememberPagePosition(dw, NextPage);
- FlushCharCache (dw);
- return(NextPage);
- case 'N':
- n = GetNumber(dw);
- PutNumberedCharacter (dw, n);
- break;
- case 'n': /* end of line */
- GetNumber(dw);
- GetNumber(dw);
- Newline (dw);
- HorizontalGoto(dw, 0);
- break;
- case 'F': /* input files */
- case '+': /* continuation of X device control */
- case 'm': /* color */
- case '#': /* comment */
- GetLine(dw, NULL, 0);
- break;
- case 'x': /* device control */
- ParseDeviceControl(dw);
- break;
- case EOF:
- dw->dvi.last_page = dw->dvi.current_page;
- FlushCharCache (dw);
- return dw->dvi.current_page;
- default:
- break;
- }
- }
-}
-
-static
-push_env(dw)
- DviWidget dw;
-{
- DviState *new;
-
- new = (DviState *) XtMalloc (sizeof (*new));
- if (dw->dvi.state)
- *new = *(dw->dvi.state);
- else {
- new->font_size = 10;
- new->font_number = 1;
- new->x = 0;
- new->y = 0;
- }
- new->next = dw->dvi.state;
- dw->dvi.state = new;
-}
-
-static
-pop_env(dw)
- DviWidget dw;
-{
- DviState *old;
-
- old = dw->dvi.state;
- dw->dvi.state = old->next;
- XtFree ((char *) old);
-}
-
-static
-InitTypesetter (dw)
- DviWidget dw;
-{
- while (dw->dvi.state)
- pop_env (dw);
- push_env (dw);
- FlushCharCache (dw);
-}
-
-#define DRAW_ARGS_MAX 128
-
-static
-ParseDrawFunction(dw, buf)
-DviWidget dw;
-char *buf;
-{
- int v[DRAW_ARGS_MAX];
- int i, no_move = 0;
- char *ptr;
-
- v[0] = v[1] = v[2] = v[3] = 0;
-
- if (buf[0] == '\0')
- return;
- ptr = buf+1;
-
- for (i = 0; i < DRAW_ARGS_MAX; i++) {
- if (sscanf(ptr, "%d", v + i) != 1)
- break;
- while (*ptr == ' ')
- ptr++;
- while (*ptr != '\0' && *ptr != ' ')
- ptr++;
- }
-
- switch (buf[0]) {
- case 'l': /* draw a line */
- DrawLine(dw, v[0], v[1]);
- break;
- case 'c': /* circle */
- DrawCircle(dw, v[0]);
- break;
- case 'C':
- DrawFilledCircle(dw, v[0]);
- break;
- case 'e': /* ellipse */
- DrawEllipse(dw, v[0], v[1]);
- break;
- case 'E':
- DrawFilledEllipse(dw, v[0], v[1]);
- break;
- case 'a': /* arc */
- DrawArc(dw, v[0], v[1], v[2], v[3]);
- break;
- case 'p':
- DrawPolygon(dw, v, i);
- break;
- case 'P':
- DrawFilledPolygon(dw, v, i);
- break;
- case '~': /* wiggly line */
- DrawSpline(dw, v, i);
- break;
- case 't':
- dw->dvi.line_thickness = v[0];
- break;
- case 'f':
- if (i > 0 && v[0] >= 0 && v[0] <= DVI_FILL_MAX)
- dw->dvi.fill = v[0];
- no_move = 1;
- break;
- default:
-#if 0
- warning("unknown drawing function %s", buf);
-#endif
- no_move = 1;
- break;
- }
-
- if (!no_move) {
- if (buf[0] == 'e') {
- if (i > 0)
- dw->dvi.state->x += v[0];
- }
- else {
- while (--i >= 0) {
- if (i & 1)
- dw->dvi.state->y += v[i];
- else
- dw->dvi.state->x += v[i];
- }
- }
- }
-}
-
-static
-ParseDeviceControl(dw) /* Parse the x commands */
- DviWidget dw;
-{
- char str[20], str1[50];
- int c, n;
- extern int LastPage, CurrentPage;
-
- GetWord (dw, str, 20);
- switch (str[0]) { /* crude for now */
- case 'T': /* output device */
- GetWord (dw, str, 20);
- SetDevice (dw, str);
- break;
- case 'i': /* initialize */
- InitTypesetter (dw);
- break;
- case 't': /* trailer */
- break;
- case 'p': /* pause -- can restart */
- break;
- case 's': /* stop */
- StopSeen = 1;
- return;
- case 'r': /* resolution when prepared */
- break;
- case 'f': /* font used */
- n = GetNumber (dw);
- GetWord (dw, str, 20);
- GetLine (dw, str1, 50);
- SetFontPosition (dw, n, str, str1);
- break;
- case 'H': /* char height */
- break;
- case 'S': /* slant */
- break;
- }
- while (DviGetC (dw, &c) != '\n') /* skip rest of input line */
- if (c == EOF)
- return;
- return;
-}
-
-
-/*
-Local Variables:
-c-indent-level: 8
-c-continued-statement-offset: 8
-c-brace-offset: -8
-c-argdecl-indent: 8
-c-label-offset: -8
-c-tab-always-indent: nil
-End:
-*/
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