示例#1
0
bool CFrmSettings::createLayout()
{
    rdr_t rdr;
    //first attach attributes to graph
    int _pos = graphData.indexOf(tr("{"));
    graphData.replace(_pos, 1,
		      "{" + WIDGET(QTextEdit,
				   teAttributes)->toPlainText());

    /* Reset line number and file name;
     * If known, might want to use real name
     */
    agsetfile((char*)"<gvedit>");
    QByteArray bytes = graphData.toUtf8();
    rdr.data = bytes.constData();
    rdr.len = strlen(rdr.data);
    rdr.cur = 0;
    graph = agmemread(rdr.data);
    if (!graph)
	return false;
    if (agerrors()) {
	agclose(graph);
	graph = NULL;
	return false;
    }
    Agraph_t *G = this->graph;
    QString layout;

    layout=WIDGET(QComboBox, cbLayout)->currentText();


    gvLayout(gvc, G, (char *)layout.toUtf8().constData());	/* library function */
    return true;
}
示例#2
0
/* nextFile:
 * Set next available file.
 * If Files is NULL, we just read from stdin.
 */
static void nextFile(ingraph_state * sp)
{
    void *rv = NULL;
    char *fname;

    if (sp->u.Files == NULL) {
	if (sp->ctr++ == 0) {
	    rv = sp->fns->dflt;
	}
    } else {
	while ((fname = sp->u.Files[sp->ctr++])) {
	    if (*fname == '-') {
		rv = sp->fns->dflt;
		break;
	    } else if ((rv = sp->fns->openf(fname)) != 0)
		break;
	    else {
		fprintf(stderr, "Can't open %s\n", sp->u.Files[sp->ctr - 1]);
		sp->errors++;
	    }
	}
    }
    if (rv)
	agsetfile(fileName(sp));
    sp->fp = rv;
}
示例#3
0
文件: input.c 项目: ekoontz/graphviz
graph_t *gvNextInputGraph(GVC_t *gvc)
{
    graph_t *g = NULL;
    static char *fn;
    static FILE *fp;
    static int fidx, gidx;
    GVG_t *gvg;

    while (!g) {
	if (!fp) {
    	    if (!(fn = gvc->input_filenames[0])) {
		if (fidx++ == 0)
		    fp = stdin;
	    }
	    else {
		while ((fn = gvc->input_filenames[fidx++]) && !(fp = fopen(fn, "r")))  {
		    agerr(AGERR, "%s: can't open %s\n", gvc->common.cmdname, fn);
		    graphviz_errors++;
		}
	    }
	}
	if (fp == NULL)
	    break;
	agsetfile(fn ? fn : "<stdin>");
#ifdef EXPERIMENTAL_MYFGETS
	g = agread_usergets(fp, myfgets);
#else
	g = agread(fp);
#endif
	if (g) {
	    gvg = zmalloc(sizeof(GVG_t));
	    if (!gvc->gvgs) 
		gvc->gvgs = gvg;
	    else
		gvc->gvg->next = gvg;
	    gvc->gvg = gvg;
	    gvg->gvc = gvc;
	    gvg->g = g;
	    gvg->input_filename = fn;
	    gvg->graph_index = gidx++;
	    break;
	}
	fp = NULL;
	gidx = 0;
    }
    return g;
}
示例#4
0
graph_t *gvNextInputGraph(GVC_t *gvc)
{
    graph_t *g = NULL;
    static char *fn;
    static FILE *fp;
    static FILE *oldfp;
    static int fidx, gidx;

    while (!g) {
	if (!fp) {
    	    if (!(fn = gvc->input_filenames[0])) {
		if (fidx++ == 0)
		    fp = stdin;
	    }
	    else {
		while ((fn = gvc->input_filenames[fidx++]) && !(fp = fopen(fn, "r")))  {
		    agerr(AGERR, "%s: can't open %s\n", gvc->common.cmdname, fn);
		    graphviz_errors++;
		}
	    }
	}
	if (fp == NULL)
	    break;
	if (oldfp != fp) {
	    agsetfile(fn ? fn : "<stdin>");
	    oldfp = fp;
	}
#ifdef EXPERIMENTAL_MYFGETS
	g = agread_usergets(fp, myfgets);
#else
	g = agread(fp,NIL(Agdisc_t*));
#endif
	if (g) {
	    gvg_init(gvc, g, fn, gidx++);
	    break;
	}
	if (fp != stdin)
	    fclose (fp);
	fp = NULL;
	gidx = 0;
    }
    return g;
}
示例#5
0
文件: input.c 项目: aosm/graphviz
FILE *
next_input_file(void)
{
	static int ctr = 0;
	FILE	*rv = NULL;

	if (Files[0] == NULL) {
		if (ctr++ == 0) rv = stdin;
	}
	else {
		rv = NULL;
		while (Files[ctr]) {
			if ((rv = fopen(Files[ctr++],"r"))) break;
			else {
              agerr(AGERR, "%s: can't open %s\n",CmdName,Files[ctr-1]);
              graphviz_errors++;
            }
		}
	}
    if (rv) agsetfile (Files[0]?Files[ctr-1]:"<stdin>");
	return rv;
}