7 #include <Xm/RowColumn.h>
10 #include <curl/curl.h>
17 char *days[] = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday"};
22 printf("ERROR: Out of memory\n");
27 memback(void *contents, size_t size, size_t nmemb, void *userp)
29 size_t realsize = size * nmemb;
30 struct memstruct *mem = (struct memstruct *)userp;
32 char *ptr = realloc(mem->memory, mem->size + realsize + 1);
36 memcpy(&(mem->memory[mem->size]), contents, realsize);
37 mem->size += realsize;
38 mem->memory[mem->size] = 0;
46 CURL *curl = curl_easy_init();
50 fprintf(stderr, "ERROR: Failed to initialize cURL\n");
54 struct memstruct chunk;
55 chunk.memory = malloc(1); // Grown as needed by the realloc in memback()
56 chunk.size = 0; // No data yet
59 "https://nobilis.nobles.edu/skyworld/castlemenu.php?Date=";
60 int len = strlen(baseurl) + strlen(date) + 1;
61 char *url = (char *)malloc(len);
62 snprintf(url, len, "%s%s", baseurl, date);
63 printf("INFO: Using URL %s\n", url);
64 curl_easy_setopt(curl, CURLOPT_URL, url);
65 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, memback);
66 curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
67 curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
69 printf("INFO: Fetching webpage\n");
70 res = curl_easy_perform(curl);
73 if (res != CURLE_OK) {
74 fprintf(stderr,"ERROR: Could not fetch webpage\n%s\n",
75 curl_easy_strerror(res));
79 curl_easy_cleanup(curl);
82 printf("INFO: Parsing HTML\n");
84 char *outp = (char *) calloc(1, sizeof(char));
87 // Extract text from between HTML tags
91 for (int i = 345; chunk.memory[i]; i++) {
92 char c = chunk.memory[i];
93 if (c == '<') intag = true;
96 outp = (char *) realloc(outp, j);
99 strncat(outp, next, 2);
101 if (c == '>') intag = false;
104 // Strip empty newlines
105 char *nl = (char *) calloc(1, sizeof(char));
109 for (int i = 0; outp[i]; i++) {
111 if (outp[i] == '\n' && outp[i+1] == '\n') {
114 nl = (char *) realloc(nl, j);
117 strncat(nl, next, 2);
125 dayback(Widget unused, XtPointer client_data, XtPointer call_data)
128 Widget disp = (Widget) client_data;
129 XmListCallbackStruct *list_cbs = (XmListCallbackStruct *) call_data;
130 char *nl = getmenu(days[list_cbs->item_position - 1]);
131 XmTextReplace((Widget) disp, 0, strlen(XmTextGetString(disp)), nl);
134 // Convert an array of string to an array of compound strings
135 XmStringTable ArgvToXmStringTable (int argc, char **argv)
138 (XmStringTable) XtMalloc ((argc+1) * sizeof (XmString));
140 return (XmStringTable) 0;
141 new[argc] = (XmString) 0;
143 new[argc] = XmStringGenerate ((XtPointer) argv[argc], "tag2",
144 XmCHARSET_TEXT, NULL);
149 main(int argc, char *argv[])
152 Widget toplevel, rowcol, daysel, disp;
157 XtSetLanguageProc(NULL, NULL, NULL);
158 toplevel = XtVaOpenApplication(&app, "Castle Menu", NULL, 0, &argc, argv,
159 NULL, sessionShellWidgetClass, NULL);
162 XtSetArg (args[n], XmNorientation, XmHORIZONTAL); n++;
163 rowcol = XmCreateRowColumn(toplevel, "rowcol", args, n);
165 // Create text widget to display menu
167 char *nl = getmenu("");
168 XtSetArg(args[n], XmNvalue, nl); n++;
169 XtSetArg(args[n], XmNeditable, False); n++;
170 XtSetArg(args[n], XmNcolumns, 80); n++;
171 XtSetArg(args[n], XmNcursorPositionVisible, False); n++;
172 disp = XmCreateScrolledText(rowcol, "text", args, n);
175 // Create day selector
176 strs = ArgvToXmStringTable (XtNumber(days), days);
177 daysel = XmCreateScrolledList(rowcol, "list", NULL, 0);
178 XtVaSetValues(daysel, XmNitems, strs, XmNitemCount, XtNumber(days), NULL);
179 XtAddCallback(daysel, XmNbrowseSelectionCallback, dayback, (XtPointer) disp);
180 XtManageChild(daysel);
181 XtManageChild(rowcol);
183 // Display everything
184 XtRealizeWidget(toplevel);