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From Brett Baugh <bba...@austin.rr.com>
Subject mod_autoindex/3981: A patch for making "fancy" output be in a table instead of <PRE> tags.
Date Mon, 01 Mar 1999 22:53:17 GMT

>Number:         3981
>Category:       mod_autoindex
>Synopsis:       A patch for making "fancy" output be in a table instead of <PRE>
tags.
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          change-request
>Submitter-Id:   apache
>Arrival-Date:   Mon Mar  1 16:10:01 PST 1999
>Last-Modified:
>Originator:     bbaugh@austin.rr.com
>Organization:
apache
>Release:        1.3.4
>Environment:
Linux dev.sapermedia.com 2.1.129 #7 SMP Thu Feb 4 11:52:55 CST 1999 i586 unknown
gcc version egcs-2.90.29 980515 (egcs-1.0.3 release)
>Description:
One day I was looking at a listing of MP3s done with FancyIndexing and
realized that 23 characters just wasn't enough to get more than the band's name,
and pointing at the link and reading the status bar doesn't work because all the
spaces in the URL get turned into %20's and makes what shows up in the status
bar about as long and unreadable as the link text itself, so I decided to fix
it by making it into a table instead.  No fixed-width font, no truncated file
names, no more hassles.  This is a patch (I have one for 1.2.6 too, if anyone's
interested, but that's in mod_dir.c).
>How-To-Repeat:
Just look at any virtual directory listing (one without a premade index).
>Fix:
*** mod_autoindex.c.orig        Tue Mar  2 16:01:21 1999
--- mod_autoindex.c     Tue Mar  2 15:58:17 1999
***************
*** 62,67 ****
--- 62,71 ----
   * 3/23/93
   *
   * Adapted to Apache by rst.
+  *
+  * Adapted to output a table instead of the usual 23-character-truncated
+  * filenames listing because I couldn't stand it anymore...
+  *   -bbaugh@austin.rr.com
   */

  #include "httpd.h"
***************
*** 973,1022 ****
      return (p);
  }

- static char *terminate_description(autoindex_config_rec *d, char *desc,
-                                  int autoindex_opts)
- {
-     int maxsize = 23;
-     register int x;
-
-     if (autoindex_opts & SUPPRESS_LAST_MOD) {
-       maxsize += 19;
-     }
-     if (autoindex_opts & SUPPRESS_SIZE) {
-       maxsize += 7;
-     }
-
-     for (x = 0; desc[x] && (maxsize > 0 || desc[x]=='<'); x++) {
-       if (desc[x] == '<') {
-           while (desc[x] != '>') {
-               if (!desc[x]) {
-                   maxsize = 0;
-                   break;
-               }
-               ++x;
-           }
-       }
-       else if (desc[x] == '&') {
-           /* entities like &auml; count as one character */
-           --maxsize;
-           for ( ; desc[x] != ';'; ++x) {
-               if (desc[x] == '\0') {
-                      maxsize = 0;
-                      break;
-               }
-           }
-         }
-       else {
-           --maxsize;
-       }
-     }
-     if (!maxsize && desc[x] != '\0') {
-       desc[x - 1] = '>';      /* Grump. */
-       desc[x] = '\0';         /* Double Grump! */
-     }
-     return desc;
- }
-                   
  /*
   * Emit the anchor for the specified field.  If a field is the key for the
   * current request, the link changes its meaning to reverse the order when
--- 977,982 ----
***************
*** 1048,1081 ****
   * the \0 termination byte.  The buffer will be prefilled with blanks.
   * If the pad argument is false, any extra spaces at the end of the
   * buffer are omitted.  (Used when constructing anchors.)
   */
- static ap_inline char *widthify(const char *s, char *buff, int size, int pad)
- {
-     int s_len; 
-            
-     memset(buff, ' ', size);
-     buff[size - 1] = '\0';
-     s_len = strlen(s);
-     if (s_len > (size - 1)) {
-       ap_cpystrn(buff, s, size);
-       if (size > 1) {
-           buff[size - 2] = '>';
-       }
-       if (size > 2) {
-           buff[size - 3] = '.';
-       }
-       if (size > 3) {
-           buff[size - 4] = '.';
-       }
-     }
-     else {
-       ap_cpystrn(buff, s, s_len + 1);
-       if (pad) {
-           buff[s_len] = ' ';
-       }
-     }
-     return buff;
- }
   
  static void output_directories(struct ent **ar, int n,
                               autoindex_config_rec *d, request_rec *r,
--- 1008,1016 ----
   * the \0 termination byte.  The buffer will be prefilled with blanks.
   * If the pad argument is false, any extra spaces at the end of the
   * buffer are omitted.  (Used when constructing anchors.)
+  *
+  * This is of course moot now since there's no more need to truncate strings.
   */

  static void output_directories(struct ent **ar, int n,
                               autoindex_config_rec *d, request_rec *r,
***************
*** 1108,1117 ****
      name_scratch[name_width] = '\0';

      if (autoindex_opts & FANCY_INDEXING) {
!       ap_rputs("<PRE>", r);
        if ((tp = find_default_icon(d, "^^BLANKICON^^"))) {
            ap_rvputs(r, "<IMG SRC=\"", ap_escape_html(scratch, tp),
!                  "\" ALT=\"     \"", NULL);
            if (d->icon_width && d->icon_height) {
                ap_rprintf
                    (
--- 1043,1052 ----
      name_scratch[name_width] = '\0';
  
      if (autoindex_opts & FANCY_INDEXING) {
!       ap_rputs("<table border=0 cellpadding=5><tr><th align=left valign=top>",
r);
        if ((tp = find_default_icon(d, "^^BLANKICON^^"))) {
            ap_rvputs(r, "<IMG SRC=\"", ap_escape_html(scratch, tp), 
!                  "\" ALT=\" \"", NULL);
            if (d->icon_width && d->icon_height) {
                ap_rprintf
                    (
***************
*** 1121,1154 ****
                        d->icon_width
                    );
            }
!           ap_rputs("> ", r);
        }
!         emit_link(r, widthify("Name", name_scratch,
!                             (name_width > 5) ? 5 : name_width, K_NOPAD),
!                 K_NAME, keyid, direction, static_columns);
!       if (name_width > 5) {
!           memset(name_scratch, ' ', name_width);
!           name_scratch[name_width] = '\0';
!           ap_rputs(&name_scratch[5], r);
!       }
!       /*
!        * Emit the guaranteed-at-least-one-space-between-columns byte.
!        */
!       ap_rputs(" ", r);
        if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
!             emit_link(r, "Last modified", K_LAST_MOD, keyid, direction,
                        static_columns);
-           ap_rputs("       ", r);
        }
        if (!(autoindex_opts & SUPPRESS_SIZE)) {
!             emit_link(r, "Size", K_SIZE, keyid, direction, static_columns);
!           ap_rputs("  ", r);
        }
        if (!(autoindex_opts & SUPPRESS_DESC)) {
!             emit_link(r, "Description", K_DESC, keyid, direction,
                        static_columns);
        }
!       ap_rputs("\n<HR>\n", r);
      }
      else {
        ap_rputs("<UL>", r);
--- 1056,1076 ----
                        d->icon_width
                    );
            }
!           ap_rputs("></th>", r);
        } 
!         emit_link(r, "<th align=left valign=top>Name</th>", K_NAME, keyid, direction,
static_columns);
        if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
!             emit_link(r, "<th align=left valign=top>Last modified</th>", K_LAST_MOD,
keyid, direction,
                        static_columns);
        }
        if (!(autoindex_opts & SUPPRESS_SIZE)) {
!             emit_link(r, "<th align=left valign=top>Size</th>", K_SIZE, keyid,
direction, static_columns);
        }
        if (!(autoindex_opts & SUPPRESS_DESC)) {
!             emit_link(r, "<th align=left valign=top>Description</th>", K_DESC,
keyid, direction,
                        static_columns);
        }
!       ap_rputs("</tr>\n", r);
      }
      else {
        ap_rputs("<UL>", r);
***************
*** 1161,1185 ****
      
        ap_clear_pool(scratch);

        if (is_parent(ar[x]->name)) {
            t = ap_make_full_path(scratch, name, "../");
            ap_getparents(t);
            if (t[0] == '\0') {   
                t = "/";
            }
!              /* 1234567890123456 */
!           t2 = "Parent Directory";
!           pad = name_scratch + 16;
!           anchor = ap_escape_html(scratch, ap_os_escape_path(scratch, t, 0));
        }
        else {
            t = ar[x]->name;
            pad = name_scratch + strlen(t);
            t2 = ap_escape_html(scratch, t);
-           anchor = ap_escape_html(scratch, ap_os_escape_path(scratch, t, 0));
        }

        if (autoindex_opts & FANCY_INDEXING) {
            if (autoindex_opts & ICONS_ARE_LINKS) {
                ap_rvputs(r, "<A HREF=\"", anchor, "\">", NULL);
            }  
--- 1083,1111 ----
      
        ap_clear_pool(scratch);

+ /*
+  * Even though we aren't using the "pad" variable for "fancy" output anymore,
+  * it's still needed for plain <PRE><UL><LI><ETC> output...
+  */
        if (is_parent(ar[x]->name)) {
            t = ap_make_full_path(scratch, name, "../");
            ap_getparents(t);
            if (t[0] == '\0') {
                t = "/";
            }
!           t2 = "<td align=left valign=top>Parent Directory</td>";
!             pad = name_scratch + 16;
        }
        else {
            t = ar[x]->name;
            pad = name_scratch + strlen(t);
            t2 = ap_escape_html(scratch, t);
        }
+       anchor = ap_escape_html(scratch, ap_os_escape_path(scratch, t, 0));
            
        if (autoindex_opts & FANCY_INDEXING) {
+           ap_rputs("<tr>", r);
+           ap_rputs("<td align=left valign=top>", r);
            if (autoindex_opts & ICONS_ARE_LINKS) {
                ap_rvputs(r, "<A HREF=\"", anchor, "\">", NULL);
            }
***************
*** 1199,1221 ****
            if (autoindex_opts & ICONS_ARE_LINKS) {
                ap_rputs("</A>", r);
            }
            
!           ap_rvputs(r, " <A HREF=\"", anchor, "\">",
!                     widthify(t2, name_scratch, name_width, K_NOPAD),
!                     "</A>", NULL);
!           /*
!            * We know that widthify() prefilled the buffer with spaces
!            * before doing its thing, so use them.
!            */
!           nwidth = strlen(t2);
!           if (nwidth < (name_width - 1)) {
!               name_scratch[nwidth] = ' ';
!               ap_rputs(&name_scratch[nwidth], r);
!           }
!           /*
!            * The blank before the storm.. er, before the next field.
!            */
!           ap_rputs(" ", r);   
            if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
                if (ar[x]->lm != -1) {
                    char time_str[MAX_STRING_LEN];
--- 1125,1134 ----
            if (autoindex_opts & ICONS_ARE_LINKS) {
                ap_rputs("</A>", r);
            }
+           ap_rputs("</td>", r);   
             
!           ap_rvputs(r, "<td align=left valign=top><A HREF=\"", anchor, "\">",
t2, "</A></td>", NULL);
!           ap_rputs("<td align=left valign=top>", r);
            if (!(autoindex_opts & SUPPRESS_LAST_MOD)) {
                if (ar[x]->lm != -1) {
                    char time_str[MAX_STRING_LEN];
***************
*** 1224,1252 ****
                    ap_rputs(time_str, r);
                }
                else {
!                   /*Length="22-Feb-1998 23:42  " (see 4 lines above) */
!                   ap_rputs("                   ", r);
                }
            } 
            if (!(autoindex_opts & SUPPRESS_SIZE)) {
                ap_send_size(ar[x]->size, r);
-               ap_rputs("  ", r);
            }
!           if (!(autoindex_opts & SUPPRESS_DESC)) {
!               if (ar[x]->desc) {
!                   ap_rputs(terminate_description(d, ar[x]->desc,
!                                                  autoindex_opts), r);
!               }
            }
        }
        else {
            ap_rvputs(r, "<LI><A HREF=\"", anchor, "\"> ", t2,
                      "</A>", pad, NULL);
        }
!       ap_rputc('\n', r);
      }
      if (autoindex_opts & FANCY_INDEXING) {
!       ap_rputs("</PRE>", r);
      }
      else {
        ap_rputs("</UL>", r);
--- 1137,1168 ----
                    ap_rputs(time_str, r);
                }
                else {
!                   ap_rputs("&nbsp;", r);
                }
            }
+           ap_rputs("</td><td align=left valign=top>", r);
            if (!(autoindex_opts & SUPPRESS_SIZE)) {
                ap_send_size(ar[x]->size, r);
            }
!           else {
!               ap_rputs("&nbsp;", r);
!           }
!           ap_rputs("</td><td align=left valign=top>", r);
!           if (!(autoindex_opts & SUPPRESS_DESC) && ar[x]->desc) {
!               ap_rvputs(r, ar[x]->desc, "</td>", NULL);
!           }
!           else {
!               ap_rputs("&nbsp;</td>", r);
            }
        }
        else {
            ap_rvputs(r, "<LI><A HREF=\"", anchor, "\"> ", t2,
                      "</A>", pad, NULL);
        }
!       ap_rputs("</tr>\n", r);
      }
      if (autoindex_opts & FANCY_INDEXING) {
!       ap_rputs("</TABLE>", r);
      }
      else {
        ap_rputs("</UL>", r);
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