* gnus-registry.el: Silence XEmacs byte compiler.

[gnus] / lisp / gnus-util.el

diff --git a/lisp/gnus-util.el b/lisp/gnus-util.el
index 3c4af9b..331f955 100644 (file)
--- a/lisp/gnus-util.el
+++ b/lisp/gnus-util.el
@@ -1,6 +1,6 @@
 ;;; gnus-util.el --- utility functions for Gnus
 
-;; Copyright (C) 1996-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2013 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
@@ -225,7 +225,7 @@ is slower."
 
 
 (defun gnus-goto-colon ()
-  (beginning-of-line)
+  (move-beginning-of-line 1)
   (let ((eol (point-at-eol)))
     (goto-char (or (text-property-any (point) eol 'gnus-position t)
                   (search-forward ":" eol t)
@@ -333,6 +333,13 @@ TIME defaults to the current time."
 
 (defmacro gnus-define-keys (keymap &rest plist)
   "Define all keys in PLIST in KEYMAP."
+  ;; Convert the key [?\S-\ ] to [(shift space)] for XEmacs.
+  (when (featurep 'xemacs)
+    (let ((bindings plist))
+      (while bindings
+       (when (equal (car bindings) [?\S-\ ])
+         (setcar bindings [(shift space)]))
+       (setq bindings (cddr bindings)))))
   `(gnus-define-keys-1 (quote ,keymap) (quote ,plist)))
 
 (defmacro gnus-define-keys-safe (keymap &rest plist)
@@ -866,18 +873,29 @@ If there's no subdirectory, delete DIRECTORY as well."
          (setq beg (point)))
        (gnus-overlay-put (gnus-make-overlay beg (point)) prop val)))))
 
-(defun gnus-put-text-property-excluding-characters-with-faces (beg end
-                                                                  prop val)
-  "The same as `put-text-property', but don't put props on characters with the `gnus-face' property."
-  (let ((b beg))
-    (while (/= b end)
-      (when (get-text-property b 'gnus-face)
-       (setq b (next-single-property-change b 'gnus-face nil end)))
-      (when (/= b end)
+(defun gnus-put-text-property-excluding-characters-with-faces (beg end prop val)
+  "The same as `put-text-property', except where `gnus-face' is set.
+If so, and PROP is `face', set the second element of its value to VAL.
+Otherwise, do nothing."
+  (while (< beg end)
+    ;; Property values are compared with `eq'.
+    (let ((stop (next-single-property-change beg 'face nil end)))
+      (if (get-text-property beg 'gnus-face)
+         (when (eq prop 'face)
+           (setcar (cdr (get-text-property beg 'face)) (or val 'default)))
        (inline
-         (gnus-put-text-property
-          b (setq b (next-single-property-change b 'gnus-face nil end))
-          prop val))))))
+         (gnus-put-text-property beg stop prop val)))
+      (setq beg stop))))
+
+(defun gnus-get-text-property-excluding-characters-with-faces (pos prop)
+  "The same as `get-text-property', except where `gnus-face' is set.
+If so, and PROP is `face', return the second element of its value.
+Otherwise, return the value."
+  (let ((val (get-text-property pos prop)))
+    (if (and (get-text-property pos 'gnus-face)
+            (eq prop 'face))
+       (cadr val)
+      (get-text-property pos prop))))
 
 (defmacro gnus-faces-at (position)
   "Return a list of faces at POSITION."
@@ -1932,35 +1950,22 @@ Same as `string-match' except this function does not change the match data."
     "Return non-nil if STR1 is a prefix of STR2.
 If IGNORE-CASE is non-nil, the comparison is done without paying attention
 to case differences."
-    (eq t (compare-strings str1 nil nil
-                          str2 0 (length str1) ignore-case))))
-
-(eval-and-compile
-  (if (fboundp 'macroexpand-all)
-      (defalias 'gnus-macroexpand-all 'macroexpand-all)
-    (defun gnus-macroexpand-all (form &optional environment)
-      "Return result of expanding macros at all levels in FORM.
-If no macros are expanded, FORM is returned unchanged.
-The second optional arg ENVIRONMENT specifies an environment of macro
-definitions to shadow the loaded ones for use in file byte-compilation."
-      (if (consp form)
-         (let ((idx 1)
-               (len (length (setq form (copy-sequence form))))
-               expanded)
-           (while (< idx len)
-             (setcar (nthcdr idx form) (gnus-macroexpand-all (nth idx form)
-                                                             environment))
-             (setq idx (1+ idx)))
-           (if (eq (setq expanded (macroexpand form environment)) form)
-               form
-             (gnus-macroexpand-all expanded environment)))
-       form))))
+    (and (<= (length str1) (length str2))
+        (let ((prefix (substring str2 0 (length str1))))
+          (if ignore-case
+              (string-equal (downcase str1) (downcase prefix))
+            (string-equal str1 prefix))))))
 
 ;; Simple check: can be a macro but this way, although slow, it's really clear.
 ;; We don't use `bound-and-true-p' because it's not in XEmacs.
 (defun gnus-bound-and-true-p (sym)
   (and (boundp sym) (symbol-value sym)))
 
+(if (fboundp 'timer--function)
+    (defalias 'gnus-timer--function 'timer--function)
+  (defun gnus-timer--function (timer)
+    (elt timer 5)))
+
 (provide 'gnus-util)
 
 ;;; gnus-util.el ends here