/* * Copyright 2002 Red Hat Inc., Durham, North Carolina. * * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation on the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* * Authors: * Rickard E. (Rik) Faith <faith@redhat.com> */ /** \file * This file provides some compatibility support for reading VDL files * that are used by xmovie * (http://www.llnl.gov/icc/sdd/img/xmovie/xmovie.shtml). * * This file is not used by the DMX server. */ #ifdef HAVE_DMX_CONFIG_H #include <dmx-config.h> #endif #include "os.h" #include "dmxconfig.h" #include "dmxparse.h" #include "dmxcompat.h" #include "parser.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> static int dmxVDLReadLine(FILE * str, char *buf, int len) { if (fgets(buf, len, str)) return strlen(buf); return 0; } static int dmxVDLCount(const char *buf) { return strtol(buf, NULL, 10); } static void dmxVDLVirtualEntry(const char *buf, char *name, int *len, int *x, int *y) { char *end; const char *s; char *d; int start; *x = strtol(buf, &end, 10); *y = strtol(end, &end, 10); for (s = end, d = name, start = 1; *s && *s != '['; ++s) { if (start && isspace(*s)) continue; *d++ = *s; start = 0; } *d = '\0'; while (d > name && isspace(d[-1])) *--d = '\0'; /* remove trailing space */ *len = strlen(name); } static void dmxVDLDisplayEntry(const char *buf, char *name, int *len, int *x, int *y, int *xoff, int *yoff, int *xorig, int *yorig) { const char *pt; char *end; pt = strchr(buf, ' '); strlcpy(name, buf, 1 + pt - buf); *len = strlen(name); *x = strtol(pt, &end, 10); *y = strtol(end, &end, 10); *xorig = strtol(end, &end, 10); *yorig = strtol(end, &end, 10); *xoff = strtol(end, &end, 10); *yoff = strtol(end, NULL, 10); } /** Read from the VDL format \a filename and return a newly allocated \a * DMXConfigEntryPtr */ DMXConfigEntryPtr dmxVDLRead(const char *filename) { FILE *str; char buf[2048]; /* RATS: Use ok */ char *pt; int lineno = 0; DMXConfigEntryPtr entry = NULL; DMXConfigVirtualPtr virtual = NULL; DMXConfigSubPtr sub = NULL; DMXConfigDisplayPtr display = NULL; DMXConfigFullDimPtr fdim = NULL; int vcount = 0; int dcount = 0; int icount = 0; int x, y, xoff, yoff, xorig, yorig; char name[2048]; /* RATS: Use ok */ const char *tmp; int len; enum { simulateFlag, virtualCount, virtualEntry, displayCount, displayEntry, ignoreCount, ignoreEntry } state = simulateFlag; if (!filename) str = stdin; else str = fopen(filename, "r"); if (!str) return NULL; while (dmxVDLReadLine(str, buf, sizeof(buf))) { DMXConfigCommentPtr comment = NULL; ++lineno; for (pt = buf; *pt; pt++) if (*pt == '\r' || *pt == '\n') { *pt = '\0'; break; } if (buf[0] == '#') { tmp = dmxConfigCopyString(buf + 1, strlen(buf + 1)); comment = dmxConfigCreateComment(T_COMMENT, lineno, tmp); entry = dmxConfigAddEntry(entry, dmxConfigComment, comment, NULL); continue; } switch (state) { case simulateFlag: state = virtualCount; break; case virtualCount: vcount = dmxVDLCount(buf); state = virtualEntry; break; case virtualEntry: len = sizeof(name); dmxVDLVirtualEntry(buf, name, &len, &x, &y); tmp = dmxConfigCopyString(name, len); virtual = dmxConfigCreateVirtual(NULL, dmxConfigCreateString(T_STRING, lineno, NULL, tmp), dmxConfigCreatePair(T_DIMENSION, lineno, NULL, x, y, 0, 0), NULL, NULL, NULL); state = displayCount; break; case displayCount: dcount = dmxVDLCount(buf); state = displayEntry; break; case displayEntry: dmxVDLDisplayEntry(buf, name, &len, &x, &y, &xoff, &yoff, &xorig, &yorig); tmp = dmxConfigCopyString(name, len); fdim = dmxConfigCreateFullDim(dmxConfigCreatePartDim (dmxConfigCreatePair (T_DIMENSION, lineno, NULL, x, y, 0, 0), dmxConfigCreatePair(T_OFFSET, lineno, NULL, xoff, yoff, xoff, yoff)), NULL); display = dmxConfigCreateDisplay(NULL, dmxConfigCreateString(T_STRING, lineno, NULL, tmp), fdim, dmxConfigCreatePair(T_ORIGIN, lineno, NULL, xorig, yorig, 0, 0), NULL); sub = dmxConfigAddSub(sub, dmxConfigSubDisplay(display)); if (!--dcount) { state = ignoreCount; virtual->subentry = sub; entry = dmxConfigAddEntry(entry, dmxConfigVirtual, NULL, virtual); virtual = NULL; sub = NULL; } break; case ignoreCount: icount = dmxVDLCount(buf); state = ignoreEntry; break; case ignoreEntry: if (!--icount) state = virtualEntry; break; } } if (str != stdin) fclose(str); return entry; }