also pass the uri as %u to external handlers

doc/mime.txt

@@ -91,7 +91,8 @@ choice if you want).
 Attaching a program to it::
 
 	You must tell ELinks the exact command for running it (with any
-	options you wish). In place of the filename you must enter %.
+	options you wish). In place of the filename you must enter %f. Also the
+	uri can be used as %u.
 
 Choosing whether you want confirmation before applying it::
 
@@ -144,12 +145,12 @@ and value with the value you want to assign to the item. You must do so for
 each of the available items: program, ask and block.
 
 The value for program is a string with the exact command you want to be issued
-to view the file, placing % were you would put the file name. The values for
+to view the file, placing %f were you would put the file name and %u the uri
-ask and block are either 0 (no) or 1 (yes). Available contexts include unix
+(if needed). The values for ask and block are either 0 (no) or 1 (yes).
-and unix-xwin, which mean UNIX text terminal and X respectively (others can be
+Available contexts include unix and unix-xwin, which mean UNIX text terminal
-os2, win32, beos, riscos, ...). The latter does not mean you are running
+and X respectively (others can be os2, win32, beos, riscos, ...). The latter
-ELinks from X, just that the DISPLAY variable is set so that ELinks may run an
+does not mean you are running ELinks from X, just that the DISPLAY variable is
-X program.
+set so that ELinks may run an X program.
 
 To illustrate it, here is an example. Suppose you want to define the
 image_viewer handler which should be used to view images.  The configuration
@@ -162,8 +163,8 @@ set mime.handler.image_viewer.unix-xwin.ask = 0
 set mime.handler.image_viewer.unix.block = 1
 set mime.handler.image_viewer.unix-xwin.block = 0
 
-set mime.handler.image_viewer.unix.program = "zgv %"
+set mime.handler.image_viewer.unix.program = "zgv %f"
-set mime.handler.image_viewer.unix-xwin.program = "xli %"
+set mime.handler.image_viewer.unix-xwin.program = "xli %f"
 --------------------------------------------------------------------------------
 
 In this example the image_viewer handler uses the svgalib image viewer zgv

src/mime/backend/default.c

@@ -74,7 +74,8 @@ static union option_info default_mime_options[] = {
 		"program", 0, "",
 		/* xgettext:no-c-format */
 		N_("External viewer for this file type. "
-		"'%' in this string will be substituted by a file name. "
+		"'%f' in this string will be substituted by a file name, "
+		"'%u' by its uri. "
 		"Do _not_ put single- or double-quotes around the % sign.")),
 
 

src/session/download.c

@@ -1028,12 +1028,13 @@ get_temp_name(struct uri *uri)
 
 
 static unsigned char *
-subst_file(unsigned char *prog, unsigned char *file)
+subst_file(unsigned char *prog, unsigned char *file, unsigned char *uri)
 {
 	struct string name;
 	/* When there is no %s in the mailcap entry, the handler program reads
 	 * data from stdin instead of a file. */
 	int input = 1;
+	char *replace, *original = "% ";
 
 	if (!init_string(&name)) return NULL;
 
@@ -1046,6 +1047,21 @@ subst_file(unsigned char *prog, unsigned char *file)
 		prog += p;
 
 		if (*prog == '%') {
+			prog++;
+			if (*prog == 'f' || *prog == ' ' || *prog == '\0')
+				replace = file;
+			else if (*prog == 'u')
+				replace = uri;
+			else if (*prog == '%')
+				replace = "%";
+			else {
+				original[1] = *prog;
+				replace = original;
+			}
+
+			if (*prog == ' ' || *prog == '\0')
+				prog--;
+
 			input = 0;
 #if defined(HAVE_CYGWIN_CONV_TO_FULL_WIN32_PATH)
 #ifdef MAX_PATH
@@ -1054,10 +1070,10 @@ subst_file(unsigned char *prog, unsigned char *file)
 			unsigned char new_path[1024];
 #endif
 
-			cygwin_conv_to_full_win32_path(file, new_path);
+			cygwin_conv_to_full_win32_path(replace, new_path);
 			add_to_string(&name, new_path);
 #else
-			add_shell_quoted_to_string(&name, file, strlen(file));
+			add_shell_quoted_to_string(&name, replace, strlen(replace));
 #endif
 			prog++;
 		}
@@ -1242,7 +1258,8 @@ continue_download_do(struct terminal *term, int fd, void *data,
 
 	if (type_query->external_handler) {
 		file_download->external_handler = subst_file(type_query->external_handler,
-							     codw_hop->file);
+							     codw_hop->file,
+							     type_query->uri->string);
 		file_download->delete_ = 1;
 		file_download->copiousoutput = type_query->copiousoutput;
 		mem_free(codw_hop->file);
@@ -1490,7 +1507,8 @@ tp_open(struct type_query *type_query)
 
 		if (file) {
 			decode_uri(file);
-			handler = subst_file(type_query->external_handler, file);
+			handler = subst_file(type_query->external_handler,
+				file, file);
 			mem_free(file);
 		}