--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netinstall/site.cc	Mon Aug 13 11:38:25 2007 +0200
@@ -0,0 +1,329 @@
+/*
+ * Copyright (c) 2000, Red Hat, Inc.
+ *
+ *     This program is free software; you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation; either version 2 of the License, or
+ *     (at your option) any later version.
+ *
+ *     A copy of the GNU General Public License can be found at
+ *     http://www.gnu.org/
+ *
+ * Written by DJ Delorie <dj@cygnus.com>
+ *
+ */
+
+/* The purpose of this file is to get the list of mirror sites and ask
+   the user which mirror site they want to download from. */
+
+#include "win32.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "dialog.h"
+#include "resource.h"
+#include "state.h"
+#include "geturl.h"
+#include "msg.h"
+#include "concat.h"
+#include "regedit.h"
+#include "reginfo.h"
+#include "log.h"
+
+#include "port.h"
+
+#define NO_IDX (-1)
+#define OTHER_IDX (-2)
+
+typedef struct {
+  char *url;
+  char *displayed_url;
+  char *sort_key;
+} site_list_type;
+
+static site_list_type *site_list = 0;
+static int list_idx = NO_IDX;
+static int mirror_idx = NO_IDX;
+
+static void
+check_if_enable_next (HWND h)
+{
+  EnableWindow (GetDlgItem (h, IDOK), (mirror_idx != NO_IDX) ? 1 : 0);
+}
+
+static void
+load_dialog (HWND h)
+{
+  HWND listbox = GetDlgItem (h, IDC_URL_LIST);
+  SendMessage (listbox, LB_SETCURSEL, list_idx, 0);
+  check_if_enable_next (h);
+}
+
+static void
+save_dialog (HWND h)
+{
+  HWND listbox = GetDlgItem (h, IDC_URL_LIST);
+  list_idx = SendMessage (listbox, LB_GETCURSEL, 0, 0);
+  if (list_idx == LB_ERR)
+    {
+      mirror_site = 0;
+      mirror_idx = NO_IDX;
+      list_idx = NO_IDX;
+    }
+  else
+    {
+      mirror_idx = SendMessage (listbox, LB_GETITEMDATA, list_idx, 0);
+      if (mirror_idx == OTHER_IDX)
+	mirror_site = 0;
+      else
+	mirror_site = site_list[mirror_idx].url;
+    }
+}
+
+static void
+get_root_dir ()
+{
+  int issystem, isnative;
+  if (root_dir)
+    return;
+  root_dir = find_root_location (&issystem, &isnative);
+}
+
+void
+save_site_url ()
+{
+  if (! MIRROR_SITE)
+    return;
+
+  get_root_dir ();
+  if (! root_dir)
+    return;
+  
+  FILE *f = fopen (concat (root_dir, XEMACS_SETUP_DIR, "last-mirror", 0), "wb");
+  if (!f)
+    return;
+  fprintf (f, "%s\n", MIRROR_SITE);
+  fclose (f);
+}
+
+static BOOL
+dialog_cmd (HWND h, int id, HWND hwndctl, UINT code)
+{
+  switch (id)
+    {
+
+    case IDC_URL_LIST:
+      save_dialog (h);
+      check_if_enable_next (h);
+      break;
+
+    case IDOK:
+      save_dialog (h);
+      if (mirror_idx == OTHER_IDX)
+	NEXT (IDD_OTHER_URL);
+      else
+	{
+	  other_url = 0;
+	  save_site_url ();
+	  NEXT (IDD_S_LOAD_INI);
+	}
+      break;
+
+    case IDC_BACK:
+      save_dialog (h);
+      NEXT (IDD_NET);
+      break;
+
+    case IDCANCEL:
+      NEXT (0);
+      break;
+    }
+  return FALSE;
+}
+
+static BOOL CALLBACK
+dialog_proc (HWND h, UINT message, WPARAM wParam, LPARAM lParam)
+{
+  int i, j;
+  HWND listbox;
+  switch (message)
+    {
+    case WM_INITDIALOG:
+      listbox = GetDlgItem (h, IDC_URL_LIST);
+      for (i=0; site_list[i].url; i++)
+	{
+	  j = SendMessage (listbox, LB_ADDSTRING, 0, (LPARAM)site_list[i].displayed_url);
+	  SendMessage (listbox, LB_SETITEMDATA, j, i);
+	}
+      j = SendMessage (listbox, LB_ADDSTRING, 0, (LPARAM)"Other URL");
+      SendMessage (listbox, LB_SETITEMDATA, j, OTHER_IDX);
+      load_dialog (h);
+      return FALSE;
+    case WM_COMMAND:
+      return HANDLE_WM_COMMAND (h, wParam, lParam, dialog_cmd);
+    }
+  return FALSE;
+}
+
+static int CDECL
+site_sort (const void *va, const void *vb)
+{
+  site_list_type *a = (site_list_type *)va;
+  site_list_type *b = (site_list_type *)vb;
+  return strcmp (a->sort_key, b->sort_key);
+}
+
+static int
+get_site_list (HINSTANCE h)
+{
+  char mirror_url[1000];
+  if (LoadString (h, IDS_MIRROR_LST, mirror_url, sizeof (mirror_url)) <= 0)
+    return 1;
+  char *mirrors = get_url_to_string (mirror_url);
+  dismiss_url_status_dialog ();
+  if (!mirrors)
+    return 1;
+
+  char *bol, *eol, *nl;
+
+  
+  /* null plus account for possibly missing NL plus account for "Other
+    URL" from previous run. */
+  int nmirrors = 3;
+
+  for (bol=mirrors; *bol; bol++)
+    if (*bol == '\n')
+      nmirrors ++;
+
+  site_list = (site_list_type *) malloc (nmirrors * sizeof (site_list_type));
+  nmirrors = 0;
+
+  nl = mirrors;
+  while (*nl)
+    {
+      bol = nl;
+      for (eol = bol; *eol && *eol != '\n'; eol++) ;
+      if (*eol)
+	nl = eol+1;
+      else
+	nl = eol;
+      while (eol > bol && eol[-1] == '\r')
+	eol--;
+      *eol = 0;
+      if (bol[0] != '#' && bol[0] > ' ')
+	{
+	  char *semi = strchr (bol, ';');
+	  if (semi)
+	    *semi = 0;
+	  site_list[nmirrors].url = _strdup (bol);
+	  site_list[nmirrors].displayed_url = _strdup (bol);
+	  char *dot = strchr (site_list[nmirrors].displayed_url, '.');
+	  if (dot)
+	    {
+	      dot = strchr (dot, '/');
+	      if (dot)
+		*dot = 0;
+	    }
+	  site_list[nmirrors].sort_key = (char *) malloc (2*strlen (bol) + 3);
+
+	  dot = site_list[nmirrors].displayed_url;
+	  dot += strlen (dot);
+	  char *dp = site_list[nmirrors].sort_key;
+	  while (dot != site_list[nmirrors].displayed_url)
+	    {
+	      if (*dot == '.' || *dot == '/')
+		{
+		  char *sp;
+		  if (dot[3] == 0)
+		    *dp++ = '~'; /* sort .com/.edu/.org together */
+		  for (sp=dot+1; *sp && *sp != '.' && *sp != '/';)
+		    *dp++ = *sp++;
+		  *dp++ = ' ';
+		}
+	      dot--;
+	    }
+	  *dp++ = ' ';
+	  strcpy (dp, site_list[nmirrors].displayed_url);
+
+	  nmirrors++;
+	}
+    }
+  site_list[nmirrors].url = 0;
+
+  qsort (site_list, nmirrors, sizeof (site_list_type), site_sort);
+
+  return 0;
+}
+
+/* List of machines that should not be used by default when saved
+   in "last-mirror". */
+#define NOSAVE1 "ftp://ftp.xemacs.org/"
+#define NOSAVE1_LEN (sizeof ("ftp://ftp.xemacs.org/") - 1)
+
+static void
+get_initial_list_idx ()
+{
+  get_root_dir ();
+  if (! root_dir)
+    return;
+
+  FILE *f = fopen (concat (root_dir, XEMACS_SETUP_DIR, "last-mirror", 0), "rt");
+  if (!f)
+    return;
+
+  char site[1000];
+  site[0]='\0';
+  char * fg_ret = fgets (site, 1000, f);
+  fclose (f);
+  if (! fg_ret)
+    return;
+
+  char *eos = site + strlen (site) - 1;
+  while (eos >= site && (*eos == '\n' || *eos == '\r'))
+    *eos-- = '\0';
+
+  if (eos < site)
+    return;
+
+  int i;
+  for (i = 0; site_list[i].url; i++)
+    if (strcmp (site_list[i].url, site) == 0)
+      break;
+
+  if (! site_list[i].url)
+    {
+      /* Don't default to certain machines ever since they suffer
+	 from bandwidth limitations. */
+      if (strnicmp (site, NOSAVE1, NOSAVE1_LEN) == 0)
+	return;
+      site_list[i].displayed_url =
+      site_list[i].url = _strdup (site);
+      site_list[i+1].url = 0;
+    }
+
+  mirror_idx = list_idx = i;
+}
+
+void
+do_site (HINSTANCE h)
+{
+  int rv = 0;
+
+  if (site_list == 0)
+    if (get_site_list (h))
+      {
+	NEXT (IDD_NET);
+	return;
+      }
+
+  get_initial_list_idx ();
+
+  rv = DialogBox (h, MAKEINTRESOURCE (IDD_SITE), 0, dialog_proc);
+  if (rv == -1)
+    fatal (IDS_DIALOG_FAILED);
+
+  if (mirror_idx != OTHER_IDX)
+    log (0, "site: %s", mirror_site);
+}
+