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[Emacs-diffs] master 8064f64 2/2: Remove XEmacs compat code from ps-prin


From: Lars Ingebrigtsen
Subject: [Emacs-diffs] master 8064f64 2/2: Remove XEmacs compat code from ps-print
Date: Wed, 19 Jun 2019 16:30:26 -0400 (EDT)

branch: master
commit 8064f64eb14882f68851cc8f91b86fb287589499
Author: Lars Ingebrigtsen <address@hidden>
Commit: Lars Ingebrigtsen <address@hidden>

    Remove XEmacs compat code from ps-print
    
    * lisp/ps-print.el:
    (ps-print-color-p, ps-postscript-code-directory, ps-setup):
    * lisp/ps-def.el:
    (ps-mark-active-p, ps-face-foreground-name)
    (ps-face-background-name, ps-color-device, ps-color-values)
    (ps-face-bold-p, ps-face-italic-p, ps-face-strikeout-p)
    (ps-face-overline-p, ps-face-box-p)
    (ps-generate-postscript-with-faces1): Remove XEmacs compat code
    and some outdated Emacs compat code.
---
 lisp/ps-def.el   | 348 +++++++++++--------------------------------------------
 lisp/ps-print.el |  31 +----
 2 files changed, 73 insertions(+), 306 deletions(-)

diff --git a/lisp/ps-def.el b/lisp/ps-def.el
index 0f3b2f7..f33f817 100644
--- a/lisp/ps-def.el
+++ b/lisp/ps-def.el
@@ -1,4 +1,4 @@
-;;; ps-def.el --- XEmacs and Emacs definitions for ps-print -*- 
lexical-binding: t -*-
+;;; ps-def.el --- Emacs definitions for ps-print -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2007-2019 Free Software Foundation, Inc.
 
@@ -37,316 +37,104 @@
 
 
 
-;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; XEmacs Definitions
-
-
-(cond
- ((featurep 'xemacs)                   ; XEmacs
-
-  ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-  ;; ps-bdf
-
-  (defvar installation-directory nil)
-  (defvar coding-system-for-read)
-
-  ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-  ;; ps-mule
-
-  (or (fboundp 'charset-dimension)
-      (defun charset-dimension (_charset) 1)) ; ascii
-
-  (or (fboundp 'char-width)
-      (defun char-width (_char) 1))    ; ascii
-
-  (or (fboundp 'encode-char)
-      (defun encode-char (ch _ccs)
-       ch))
-
-  ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-  ;; ps-print
-
-  ;; GNU Emacs
-  (or (fboundp 'line-beginning-position)
-      (defun line-beginning-position (&optional n)
-       (save-excursion
-         (and n (/= n 1) (forward-line (1- n)))
-         (beginning-of-line)
-         (point))))
-
-
-  ;; GNU Emacs
-  (or (fboundp 'find-composition)
-      (defalias 'find-composition 'ignore))
-
-
-  (defun ps-xemacs-color-name (color)
-    (if (color-specifier-p color)
-       (color-name color)
-      color))
-
-
-  (defalias 'ps-mark-active-p 'region-active-p)
-
-
-  (defun ps-face-foreground-name (face)
-    (ps-xemacs-color-name (face-foreground face)))
-
-
-  (defun ps-face-background-name (face)
-    (ps-xemacs-color-name (face-background face)))
-
-
-  (defalias 'ps-frame-parameter 'frame-property)
-
-
-  ;; Return t if the device (which can be changed during an emacs session)
-  ;; can handle colors.
-  (defun ps-color-device ()
-    (eq (device-class) 'color))
-
-  (defun ps-mapper (extent list)
-    (nconc list
-          (list (list (extent-start-position extent) 'push extent)
-                (list (extent-end-position extent) 'pull extent)))
-    nil)
-
-
-  (defun ps-extent-sorter (a b)
-    (< (extent-priority a) (extent-priority b)))
-
-
-  (defun ps-xemacs-face-kind-p (face kind kind-regex)
-    (let* ((frame-font (or (face-font-instance face)
-                          (face-font-instance 'default)))
-          (kind-cons
-           (and frame-font
-                (assq kind
-                      (font-instance-properties frame-font))))
-          (kind-spec (cdr-safe kind-cons))
-          (case-fold-search t))
-      (and kind-spec (string-match kind-regex kind-spec))))
-
-
-  ;; to avoid XEmacs compilation gripes
-  (defvar coding-system-for-write)
-  (defvar buffer-file-coding-system)
-
 
-  (and (fboundp 'find-coding-system)
-       (or (funcall 'find-coding-system 'raw-text-unix)
-          (funcall 'copy-coding-system 'no-conversion-unix 'raw-text-unix)))
-
-
-  (defun ps-color-values (x-color)
-    (let ((color (ps-xemacs-color-name x-color)))
-      (cond
-       ((fboundp 'x-color-values)
-       (funcall 'x-color-values color))
-       ((and (fboundp 'color-instance-rgb-components)
-            (ps-color-device))
-       (funcall 'color-instance-rgb-components
-                (if (color-instance-p x-color)
-                    x-color
-                  (make-color-instance color))))
-       (t
-       (error "No available function to determine X color values")))))
-
-
-  (defun ps-face-bold-p (face)
-    (or (ps-xemacs-face-kind-p face 'WEIGHT_NAME "bold\\|demibold")
-       (memq face ps-bold-faces)))     ; Kludge-compatible
-
-
-  (defun ps-face-italic-p (face)
-    (or (ps-xemacs-face-kind-p face 'ANGLE_NAME "i\\|o")
-       (ps-xemacs-face-kind-p face 'SLANT "i\\|o")
-       (memq face ps-italic-faces)))   ; Kludge-compatible
-
-
-  (defalias 'ps-face-strikeout-p 'ignore)
-
-
-  (defalias 'ps-face-overline-p 'ignore)
-
-
-  (defalias 'ps-face-box-p 'ignore)
-
-
-  ;; XEmacs will have to make do with %s (princ) for floats.
-  (defvar ps-color-format "%s %s %s")
-  (defvar ps-float-format "%s ")
-
-
-  (defun ps-generate-postscript-with-faces1 (from to)
-    ;; Generate some PostScript.
-    (let ((face 'default)
-         (position to)
-         ;; XEmacs
-         ;; Build the list of extents...
-         (a (cons 'dummy nil))
-         record type extent extent-list)
-      (map-extents 'ps-mapper nil from to a)
-      (setq a (sort (cdr a) 'car-less-than-car)
-           extent-list nil)
-
-      ;; Loop through the extents...
-      (while a
-       (setq record (car a)
-             position (car record)
-
-             record (cdr record)
-             type (car record)
-
-             record (cdr record)
-             extent (car record))
-
-       ;; Plot up to this record.
-       ;; XEmacs 19.12: for some reason, we're getting into a
-       ;; situation in which some of the records have
-       ;; positions less than 'from'.  Since we've narrowed
-       ;; the buffer, this'll generate errors.  This is a hack,
-       ;; but don't call ps-plot-with-face unless from > point-min.
-       (and (>= from (point-min))
-            (ps-plot-with-face from (min position (point-max)) face))
-
-       (cond
-        ((eq type 'push)
-         (and (extent-face extent)
-              (setq extent-list (sort (cons extent extent-list)
-                                      'ps-extent-sorter))))
-
-        ((eq type 'pull)
-         (setq extent-list (sort (delq extent extent-list)
-                                 'ps-extent-sorter))))
-
-       (setq face (if extent-list
-                      (extent-face (car extent-list))
-                    'default)
-             from position
-             a (cdr a)))
-
-      (ps-plot-with-face from to face)))
-
-  )
- (t                                    ; Emacs
-  ;; Do nothing
-  ))                                   ; end cond featurep
-
-
-
 ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Emacs Definitions
 
 
-(cond
- ((featurep 'xemacs)                   ; XEmacs
-  ;; Do nothing
-  )
- (t                                    ; Emacs
-
-
-  ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-  ;; ps-print
-
-
-  (defun ps-mark-active-p ()
-    mark-active)
-
+(defun ps-mark-active-p ()
+  mark-active)
 
-  (defun ps-face-foreground-name (face)
-    (face-foreground face nil t))
 
+(defun ps-face-foreground-name (face)
+  (face-foreground face nil t))
 
-  (defun ps-face-background-name (face)
-    (face-background face nil t))
 
+(defun ps-face-background-name (face)
+  (face-background face nil t))
 
-  (defalias 'ps-frame-parameter 'frame-parameter)
 
+(defalias 'ps-frame-parameter 'frame-parameter)
 
-  ;; Return t if the device (which can be changed during an emacs session) can
-  ;; handle colors.  This function is not yet implemented for GNU emacs.
-  (defun ps-color-device ()
-    (if (fboundp 'color-values)
-       (funcall 'color-values "Green")
-      t))
+;; Return t if the device (which can be changed during an emacs session) can
+;; handle colors.  This function is not yet implemented for GNU emacs.
+(defun ps-color-device ()
+  (if (fboundp 'color-values)
+      (funcall 'color-values "Green")
+    t))
 
 
-  (defun ps-color-values (x-color)
-    (cond
-     ((fboundp 'color-values)
-      (funcall 'color-values x-color))
-     ((fboundp 'x-color-values)
-      (funcall 'x-color-values x-color))
-     (t
-      (error "No available function to determine X color values"))))
+(defun ps-color-values (x-color)
+  (cond
+   ((fboundp 'color-values)
+    (funcall 'color-values x-color))
+   ((fboundp 'x-color-values)
+    (funcall 'x-color-values x-color))
+   (t
+    (error "No available function to determine X color values"))))
 
 
-  (defun ps-face-bold-p (face)
-    (or (face-bold-p face)
-       (memq face ps-bold-faces)))
+(defun ps-face-bold-p (face)
+  (or (face-bold-p face)
+      (memq face ps-bold-faces)))
 
 
-  (defun ps-face-italic-p (face)
-    (or (face-italic-p face)
-       (memq face ps-italic-faces)))
+(defun ps-face-italic-p (face)
+  (or (face-italic-p face)
+      (memq face ps-italic-faces)))
 
 
-  (defun ps-face-strikeout-p (face)
-    (eq (face-attribute face :strike-through) t))
+(defun ps-face-strikeout-p (face)
+  (eq (face-attribute face :strike-through) t))
 
 
-  (defun ps-face-overline-p (face)
-    (eq (face-attribute face :overline) t))
+(defun ps-face-overline-p (face)
+  (eq (face-attribute face :overline) t))
 
 
-  (defun ps-face-box-p (face)
-    (not (memq (face-attribute face :box) '(nil unspecified))))
+(defun ps-face-box-p (face)
+  (not (memq (face-attribute face :box) '(nil unspecified))))
 
 
-  ;; Emacs understands the %f format; we'll use it to limit color RGB values
-  ;; to three decimals to cut down some on the size of the PostScript output.
-  (defvar ps-color-format "%0.3f %0.3f %0.3f")
-  (defvar ps-float-format "%0.3f ")
+;; Emacs understands the %f format; we'll use it to limit color RGB values
+;; to three decimals to cut down some on the size of the PostScript output.
+(defvar ps-color-format "%0.3f %0.3f %0.3f")
+(defvar ps-float-format "%0.3f ")
 
 
-  (defun ps-generate-postscript-with-faces1 (from to)
-    ;; Generate some PostScript.
-    (let ((face 'default)
-         (position to)
-         ;; Emacs
-         (property-change from)
-         (overlay-change from)
-         before-string after-string)
-      (while (< from to)
-       (and (< property-change to)     ; Don't search for property change
+(defun ps-generate-postscript-with-faces1 (from to)
+  ;; Generate some PostScript.
+  (let ((face 'default)
+       (position to)
+       ;; Emacs
+       (property-change from)
+       (overlay-change from)
+       before-string after-string)
+    (while (< from to)
+      (and (< property-change to)  ; Don't search for property change
                                        ; unless previous search succeeded.
-            (setq property-change (next-property-change from nil to)))
-       (and (< overlay-change to)      ; Don't search for overlay change
+          (setq property-change (next-property-change from nil to)))
+      (and (< overlay-change to)   ; Don't search for overlay change
                                        ; unless previous search succeeded.
-            (setq overlay-change (min (next-overlay-change from)
-                                      to)))
-       (setq position (min property-change overlay-change)
-             before-string nil
-             after-string nil)
-       (setq face
-             (cond ((invisible-p from)
-                    'emacs--invisible--face)
-                   ((get-char-property from 'face))
-                   (t 'default)))
-       ;; Plot up to this record.
-       (and before-string
-            (ps-plot-string before-string))
-       (ps-plot-with-face from position face)
-       (and after-string
-            (ps-plot-string after-string))
-       (setq from position))
-      (ps-plot-with-face from to face)))
-
-  ))                                   ; end cond featurep
+          (setq overlay-change (min (next-overlay-change from)
+                                    to)))
+      (setq position (min property-change overlay-change)
+           before-string nil
+           after-string nil)
+      (setq face
+           (cond ((invisible-p from)
+                  'emacs--invisible--face)
+                 ((get-char-property from 'face))
+                 (t 'default)))
+      ;; Plot up to this record.
+      (and before-string
+          (ps-plot-string before-string))
+      (ps-plot-with-face from position face)
+      (and after-string
+          (ps-plot-string after-string))
+      (setq from position))
+    (ps-plot-with-face from to face)))
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/lisp/ps-print.el b/lisp/ps-print.el
index 994048d..8dd1d1e 100644
--- a/lisp/ps-print.el
+++ b/lisp/ps-print.el
@@ -47,7 +47,7 @@ Please send all bug fixes and enhancements to
 ;;
 ;; This package provides printing of Emacs buffers on PostScript printers; the
 ;; buffer's bold and italic text attributes are preserved in the printer
-;; output.  ps-print is intended for use with Emacs or XEmacs, together with a
+;; output.  ps-print is intended for use with Emacs, together with a
 ;; fontifying package such as font-lock or hilit.
 ;;
 ;; ps-print uses the same face attributes defined through font-lock or hilit to
@@ -1464,16 +1464,7 @@ Please send all bug fixes and enhancements to
 
 (require 'lpr)
 
-
-(if (featurep 'xemacs)
-    (or (featurep 'lisp-float-type)
-       (error "`ps-print' requires floating point support"))
-  (unless (and (boundp 'emacs-major-version)
-              (>= emacs-major-version 23))
-    (error "`ps-print' only supports Emacs 23 and higher")))
-
-
-;; Load XEmacs/Emacs definitions
+;; Load Emacs definitions
 (require 'ps-def)
 
 ;; autoloads for secondary file
@@ -2951,13 +2942,8 @@ Either a float or a cons of floats (LANDSCAPE-SIZE . 
PORTRAIT-SIZE)."
 ;;; Colors
 
 ;; Printing color requires x-color-values.
-;; XEmacs change: Need autoload for the "Options->Printing->Color Printing"
-;;                widget to work.
 ;;;###autoload
-(defcustom ps-print-color-p
-  (or (fboundp 'x-color-values)                ; Emacs
-      (fboundp 'color-instance-rgb-components))
-                                       ; XEmacs
+(defcustom ps-print-color-p (fboundp 'x-color-values)
   "Specify how buffer's text color is printed.
 
 Valid values are:
@@ -3381,13 +3367,7 @@ It's like the very first character of buffer (or region) 
is ^L (\\014)."
   :version "20"
   :group 'ps-print-headers)
 
-(defcustom ps-postscript-code-directory
-  (cond ((fboundp 'locate-data-directory) ; XEmacs
-         (locate-data-directory "ps-print"))
-        ((boundp 'data-directory)       ; XEmacs and Emacs.
-         data-directory)
-        (t                              ; don't know what to do
-         (error "`ps-postscript-code-directory' isn't set properly")))
+(defcustom ps-postscript-code-directory data-directory
   "Directory where it's located the PostScript prologue file used by ps-print.
 By default, this directory is the same as in the variable `data-directory'."
   :type 'directory
@@ -3632,8 +3612,7 @@ The table depends on the current ps-print setup."
     (mapconcat
      #'ps-print-quote
      (list
-      (concat "\n;;; (" (if (featurep 'xemacs) "XEmacs" "Emacs")
-             ") ps-print version " ps-print-version "\n")
+      (concat "\n;;; (Emacs) ps-print version " ps-print-version "\n")
       ";; internal vars"
       (ps-comment-string "emacs-version     " emacs-version)
       (ps-comment-string "lpr-windows-system" lpr-windows-system)



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