#include <stdio.h>
#include <stdbool.h>
+#include <Xm/Xm.h>
#include <Xm/Text.h>
+#include <Xm/RowColumn.h>
+#include <Xm/List.h>
+
#include <curl/curl.h>
struct memstruct {
size_t size;
};
+char *days[] = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday"};
+
int
memfail(void)
{
return realsize;
}
-int
-main(int argc, char *argv[])
+char *
+getmenu(char *date)
{
- // Get webpage
CURL *curl = curl_easy_init();
CURLcode res;
chunk.memory = malloc(1); // Grown as needed by the realloc in memback()
chunk.size = 0; // No data yet
- curl_easy_setopt(curl, CURLOPT_URL,
- "https://nobilis.nobles.edu/skyworld/castlemenu.php");
+ const char *baseurl =
+ "https://nobilis.nobles.edu/skyworld/castlemenu.php?Date=";
+ int len = strlen(baseurl) + strlen(date) + 1;
+ char *url = (char *)malloc(len);
+ snprintf(url, len, "%s%s", baseurl, date);
+ printf("INFO: Using URL %s\n", url);
+ curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, memback);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
printf("INFO: Fetching wepage\n");
res = curl_easy_perform(curl);
+ free(url);
if (res != CURLE_OK) {
fprintf(stderr,"ERROR: Could not fetch webpage\n%s\n",
- curl_easy_strerror(res));
+ curl_easy_strerror(res));
exit(2);
}
// Extract text from between HTML tags
int j = 1;
- for (int i = 345; (size_t)i < strlen(chunk.memory); i++) {
+ char next[2];
+ next[1] = '\0';
+ for (int i = 345; chunk.memory[i]; i++) {
char c = chunk.memory[i];
if (c == '<') intag = true;
if (!intag) {
j++;
outp = (char *) realloc(outp, j);
if (!outp) memfail();
- strncat(outp, &c, 1);
+ next[0] = c;
+ strncat(outp, next, 2);
}
if (c == '>') intag = false;
}
char *nl = (char *) calloc(1, sizeof(char));
if (!nl) memfail();
- for (int i = 0; (size_t)i < strlen(outp) - 1; i++) {
- if (outp[i] == '\n' && outp[i+1] == '\n') i+=4;
- nl = (char *) realloc(nl, i);
+ j = 1;
+ for (int i = 0; outp[i]; i++) {
+ j++;
+ if (outp[i] == '\n' && outp[i+1] == '\n') i+=3;
+ nl = (char *) realloc(nl, j);
if (!nl) memfail();
- strncat(nl, &outp[i], 1);
+ next[0] = outp[i+1];
+ strncat(nl, next, 2);
}
+ free(outp);
+ return nl;
+}
+void
+dayback(Widget w, XtPointer client_data, XtPointer call_data)
+{
+ Widget text_w = (Widget) client_data;
+ XmListCallbackStruct *list_cbs = (XmListCallbackStruct *) call_data;
+ char *nl = getmenu(days[list_cbs->item_position - 1]);
+ XmTextReplace((Widget) text_w, 0, strlen(XmTextGetString(text_w)), nl);
+}
+
+/* Convert an array of string to an array of compound strings */
+XmStringTable ArgvToXmStringTable (int argc, char **argv)
+{
+ XmStringTable new =
+ (XmStringTable) XtMalloc ((argc+1) * sizeof (XmString));
+ if (!new)
+ return (XmStringTable) 0;
+ new[argc] = (XmString) 0;
+ while (--argc >= 0)
+ new[argc] = XmStringGenerate ((XtPointer) argv[argc], "tag2",
+ XmCHARSET_TEXT, NULL);
+ return new;
+}
+
+int
+main(int argc, char *argv[])
+{
// Initialize motif
- Widget toplevel;
- XtAppContext app;
- Widget text_w;
- Arg args[4];
+ Widget toplevel, rowcol, w, text_w;
+ XmStringTable strs;
+ XtAppContext app;
+ Arg args[5];
XtSetLanguageProc(NULL, NULL, NULL);
- toplevel = XtVaOpenApplication (&app, "Castle Menu", NULL, 0, &argc, argv,
- NULL, sessionShellWidgetClass, NULL);
+ toplevel = XtVaOpenApplication(&app, "Castle Menu", NULL, 0, &argc, argv,
+ NULL, sessionShellWidgetClass, NULL);
- // Set textbox settings
int n = 0;
- XtSetArg(args[n], XmNvalue, nl); n++;
- XtSetArg(args[n], XmNeditable, False); n++;
- XtSetArg(args[n], XmNcolumns, 80); n++;
+ XtSetArg (args[n], XmNorientation, XmHORIZONTAL); n++;
+ rowcol = XmCreateRowColumn(toplevel, "rowcol", args, n);
+
+ // Create text widget to display menu
+ n = 0;
+ char *nl = getmenu("");
+ XtSetArg(args[n], XmNvalue, nl); n++;
+ XtSetArg(args[n], XmNeditable, False); n++;
+ XtSetArg(args[n], XmNcolumns, 80); n++;
XtSetArg(args[n], XmNcursorPositionVisible, False); n++;
- text_w = XmCreateScrolledText(toplevel, "text", args, n);
- free(outp);
- free(nl);
+ text_w = XmCreateScrolledText(rowcol, "text", args, n);
+ XtManageChild(text_w);
+
+ // Create day selector
+ strs = ArgvToXmStringTable (XtNumber (days), days);
+ w = XmCreateScrolledList(rowcol, "list", NULL, 0);
+ XtVaSetValues(w,
+ XmNitems, strs,
+ XmNitemCount, XtNumber (days),
+ NULL);
+ XtAddCallback(w, XmNbrowseSelectionCallback, dayback, (XtPointer) text_w);
+ XtManageChild(w);
+ XtManageChild(rowcol);
// Display everything
- XtManageChild(text_w);
XtRealizeWidget(toplevel);
XtAppMainLoop(app);
}