diff options
Diffstat (limited to 'lisp/nxml/nxml-mode.el')
| -rw-r--r-- | lisp/nxml/nxml-mode.el | 329 |
1 files changed, 54 insertions, 275 deletions
diff --git a/lisp/nxml/nxml-mode.el b/lisp/nxml/nxml-mode.el index 324350f591c..edc7414bfbf 100644 --- a/lisp/nxml/nxml-mode.el +++ b/lisp/nxml/nxml-mode.el @@ -26,14 +26,10 @@ ;;; Code: -(when (featurep 'mucs) - (error "nxml-mode is not compatible with Mule-UCS")) - (eval-when-compile (require 'cl-lib)) (require 'xmltok) (require 'nxml-enc) -(require 'nxml-glyph) (require 'nxml-util) (require 'nxml-rap) (require 'nxml-outln) @@ -41,6 +37,7 @@ ;; So we might as well just require it and silence the compiler. (provide 'nxml-mode) ; avoid recursive require (require 'rng-nxml) +(require 'sgml-mode) ;;; Customization @@ -55,9 +52,7 @@ (defcustom nxml-char-ref-display-glyph-flag t "Non-nil means display glyph following character reference. -The glyph is displayed in face `nxml-glyph'. The abnormal hook -`nxml-glyph-set-functions' can be used to change the characters -for which glyphs are displayed." +The glyph is displayed in face `nxml-glyph'." :group 'nxml :type 'boolean) @@ -153,16 +148,6 @@ This is not used directly, but only via inheritance by other faces." "Face used to highlight text." :group 'nxml-faces) -(defface nxml-comment-content - '((t (:inherit font-lock-comment-face))) - "Face used to highlight the content of comments." - :group 'nxml-faces) - -(defface nxml-comment-delimiter - '((t (:inherit font-lock-comment-delimiter-face))) - "Face used for the delimiters of comments, i.e., <!-- and -->." - :group 'nxml-faces) - (defface nxml-processing-instruction-delimiter '((t (:inherit nxml-delimiter))) "Face used for the delimiters of processing instructions, i.e., <? and ?>." @@ -280,15 +265,6 @@ This includes ths `x' in hex references." "Face used for the delimiters of attribute values." :group 'nxml-faces) -(defface nxml-namespace-attribute-value - '((t (:inherit nxml-attribute-value))) - "Face used for the value of namespace attributes." - :group 'nxml-faces) - -(defface nxml-namespace-attribute-value-delimiter - '((t (:inherit nxml-attribute-value-delimiter))) - "Face used for the delimiters of namespace attribute values." - :group 'nxml-faces) (defface nxml-prolog-literal-delimiter '((t (:inherit nxml-delimited-data))) @@ -342,22 +318,19 @@ The delimiters are <! and >." ;;; Global variables -(defvar nxml-parent-document nil +(defvar-local nxml-parent-document nil "The parent document for a part of a modular document. Use `nxml-parent-document-set' to set it.") -(make-variable-buffer-local 'nxml-parent-document) (put 'nxml-parent-document 'safe-local-variable 'stringp) -(defvar nxml-prolog-regions nil +(defvar-local nxml-prolog-regions nil "List of regions in the prolog to be fontified. See the function `xmltok-forward-prolog' for more information.") -(make-variable-buffer-local 'nxml-prolog-regions) -(defvar nxml-degraded nil +(defvar-local nxml-degraded nil "Non-nil if currently operating in degraded mode. Degraded mode is enabled when an internal error is encountered in the fontification or after-change functions.") -(make-variable-buffer-local 'nxml-degraded) (defvar nxml-completion-hook nil "Hook run by `nxml-complete'. @@ -375,13 +348,12 @@ one of the functions returns nil.") (defvar nxml-end-tag-indent-scan-distance 4000 "Maximum distance from point to scan backwards when indenting end-tag.") -(defvar nxml-char-ref-extra-display t +(defvar-local nxml-char-ref-extra-display t "Non-nil means display extra information for character references. The extra information consists of a tooltip with the character name and, if `nxml-char-ref-display-glyph-flag' is non-nil, a glyph corresponding to the referenced character following the character reference.") -(make-variable-buffer-local 'nxml-char-ref-extra-display) (defvar nxml-mode-map (let ((map (make-sparse-keymap))) @@ -415,7 +387,9 @@ reference.") (defsubst nxml-set-face (start end face) (when (and face (< start end)) - (font-lock-append-text-property start end 'face face))) + ;; Prepend, so the character reference highlighting takes precedence over + ;; the string highlighting applied syntactically. + (font-lock-prepend-text-property start end 'face face))) (defun nxml-parent-document-set (parent-document) "Set `nxml-parent-document' and inherit the DTD &c." @@ -519,53 +493,39 @@ Many aspects this mode can be customized using ;; FIXME: Use the fact that we're parsing the document already ;; rather than using regex-based filtering. (setq-local tildify-foreach-region-function - (apply-partially 'tildify-foreach-ignore-environments + (apply-partially #'tildify-foreach-ignore-environments '(("<! *--" . "-- *>") ("<" . ">")))) - (set (make-local-variable 'mode-line-process) '((nxml-degraded "/degraded"))) + (setq-local mode-line-process '((nxml-degraded "/degraded"))) ;; We'll determine the fill prefix ourselves - (make-local-variable 'adaptive-fill-mode) - (setq adaptive-fill-mode nil) - (make-local-variable 'forward-sexp-function) - (setq forward-sexp-function 'nxml-forward-balanced-item) - (make-local-variable 'indent-line-function) - (setq indent-line-function 'nxml-indent-line) - (make-local-variable 'fill-paragraph-function) - (setq fill-paragraph-function 'nxml-do-fill-paragraph) + (setq-local adaptive-fill-mode nil) + (setq-local forward-sexp-function #'nxml-forward-balanced-item) + (setq-local indent-line-function #'nxml-indent-line) + (setq-local fill-paragraph-function #'nxml-do-fill-paragraph) ;; Comment support ;; This doesn't seem to work too well; ;; I think we should probably roll our own nxml-comment-dwim function. - (make-local-variable 'comment-indent-function) - (setq comment-indent-function 'nxml-indent-line) - (make-local-variable 'comment-start) - (setq comment-start "<!--") - (make-local-variable 'comment-start-skip) - (setq comment-start-skip "<!--[ \t\r\n]*") - (make-local-variable 'comment-end) - (setq comment-end "-->") - (make-local-variable 'comment-end-skip) - (setq comment-end-skip "[ \t\r\n]*-->") - (make-local-variable 'comment-line-break-function) - (setq comment-line-break-function 'nxml-newline-and-indent) - (setq-local comment-quote-nested-function 'nxml-comment-quote-nested) - (use-local-map nxml-mode-map) + (setq-local comment-indent-function #'nxml-indent-line) + (setq-local comment-start "<!--") + (setq-local comment-start-skip "<!--[ \t\r\n]*") + (setq-local comment-end "-->") + (setq-local comment-end-skip "[ \t\r\n]*-->") + (setq-local comment-line-break-function #'nxml-newline-and-indent) + (setq-local comment-quote-nested-function #'nxml-comment-quote-nested) (save-excursion (save-restriction (widen) - (setq nxml-scan-end (copy-marker (point-min) nil)) (with-silent-modifications - (nxml-clear-inside (point-min) (point-max)) (nxml-with-invisible-motion (nxml-scan-prolog))))) - (add-hook 'completion-at-point-functions - #'nxml-completion-at-point-function nil t) - (setq-local syntax-propertize-function #'nxml-after-change) - (add-hook 'change-major-mode-hook 'nxml-cleanup nil t) + (setq-local syntax-ppss-table sgml-tag-syntax-table) + (setq-local syntax-propertize-function sgml-syntax-propertize-function) + (add-hook 'change-major-mode-hook #'nxml-cleanup nil t) ;; Emacs 23 handles the encoding attribute on the xml declaration ;; transparently to nxml-mode, so there is no longer a need for the below ;; hook. The hook also had the drawback of overriding explicit user ;; instruction to save as some encoding other than utf-8. - ;;(add-hook 'write-contents-hooks 'nxml-prepare-to-save) + ;;(add-hook 'write-contents-hooks #'nxml-prepare-to-save) (when (not (and (buffer-file-name) (file-exists-p (buffer-file-name)))) (when (and nxml-default-buffer-file-coding-system (not (local-variable-p 'buffer-file-coding-system))) @@ -575,16 +535,14 @@ Many aspects this mode can be customized using (setq font-lock-defaults '(nxml-font-lock-keywords - t ; keywords-only; we highlight comments and strings here + nil ; highlight comments and strings based on syntax-tables nil ; font-lock-keywords-case-fold-search. XML is case sensitive nil ; no special syntax table - nil ; no automatic syntactic fontification (font-lock-extend-region-functions . (nxml-extend-region)) (jit-lock-contextually . t) (font-lock-unfontify-region-function . nxml-unfontify-region))) - (rng-nxml-mode-init) - (nxml-enable-unicode-char-name-sets)) + (with-demoted-errors (rng-nxml-mode-init))) (defun nxml-cleanup () "Clean up after nxml-mode." @@ -596,7 +554,7 @@ Many aspects this mode can be customized using (with-silent-modifications (nxml-with-invisible-motion (remove-text-properties (point-min) (point-max) '(face))))) - (remove-hook 'change-major-mode-hook 'nxml-cleanup t)) + (remove-hook 'change-major-mode-hook #'nxml-cleanup t)) (defun nxml-degrade (context err) (message "Internal nXML mode error in %s (%s), degrading" @@ -604,12 +562,7 @@ Many aspects this mode can be customized using (error-message-string err)) (ding) (setq nxml-degraded t) - (setq nxml-prolog-end 1) - (save-excursion - (save-restriction - (widen) - (with-silent-modifications - (nxml-clear-inside (point-min) (point-max)))))) + (setq nxml-prolog-end 1)) ;;; Change management @@ -622,41 +575,6 @@ Many aspects this mode can be customized using (goto-char font-lock-beg) (set-mark font-lock-end))) -(defun nxml-after-change (start end) - ;; Called via syntax-propertize-function. - (unless nxml-degraded - (nxml-with-degradation-on-error 'nxml-after-change - (save-restriction - (widen) - (nxml-with-invisible-motion - (nxml-after-change1 start end)))))) - -(defun nxml-after-change1 (start end) - "After-change bookkeeping. -Returns a cons cell containing a possibly-enlarged change region. -You must call `nxml-extend-region' on this expanded region to obtain -the full extent of the area needing refontification. - -For bookkeeping, call this function even when fontification is -disabled." - ;; If the prolog might have changed, rescan the prolog. - (when (<= start - ;; Add 2 so as to include the < and following char that - ;; start the instance (document element), since changing - ;; these can change where the prolog ends. - (+ nxml-prolog-end 2)) - (nxml-scan-prolog) - (setq start (point-min))) - - (when (> end nxml-prolog-end) - (goto-char start) - (nxml-move-tag-backwards (point-min)) - (setq start (point)) - (setq end (max (nxml-scan-after-change start end) - end))) - - (nxml-debug-change "nxml-after-change1" start end)) - ;;; Encodings (defun nxml-insert-xml-declaration () @@ -982,11 +900,11 @@ faces appropriately." [1 -1 nxml-entity-ref-name] [-1 nil nxml-entity-ref-delimiter])) -(put 'comment - 'nxml-fontify-rule - '([nil 4 nxml-comment-delimiter] - [4 -3 nxml-comment-content] - [-3 nil nxml-comment-delimiter])) +;; (put 'comment +;; 'nxml-fontify-rule +;; '([nil 4 nxml-comment-delimiter] +;; [4 -3 nxml-comment-content] +;; [-3 nil nxml-comment-delimiter])) (put 'processing-instruction 'nxml-fontify-rule @@ -1018,7 +936,7 @@ faces appropriately." 'nxml-fontify-rule '([nil nil nxml-attribute-local-name])) -(put 'xml-declaration-attribute-value +(put 'xml-declaration-attribute-value ;FIXME: What is this for? 'nxml-fontify-rule '([nil 1 nxml-attribute-value-delimiter] [1 -1 nxml-attribute-value] @@ -1137,28 +1055,11 @@ faces appropriately." 'nxml-attribute-prefix 'nxml-attribute-colon 'nxml-attribute-local-name)) - (let ((start (xmltok-attribute-value-start att)) - (end (xmltok-attribute-value-end att)) - (refs (xmltok-attribute-refs att)) - (delimiter-face (if namespace-declaration - 'nxml-namespace-attribute-value-delimiter - 'nxml-attribute-value-delimiter)) - (value-face (if namespace-declaration - 'nxml-namespace-attribute-value - 'nxml-attribute-value))) - (when start - (nxml-set-face (1- start) start delimiter-face) - (nxml-set-face end (1+ end) delimiter-face) - (while refs - (let* ((ref (car refs)) - (ref-type (aref ref 0)) - (ref-start (aref ref 1)) - (ref-end (aref ref 2))) - (nxml-set-face start ref-start value-face) - (nxml-apply-fontify-rule ref-type ref-start ref-end) - (setq start ref-end)) - (setq refs (cdr refs))) - (nxml-set-face start end value-face)))) + (dolist (ref (xmltok-attribute-refs att)) + (let* ((ref-type (aref ref 0)) + (ref-start (aref ref 1)) + (ref-end (aref ref 2))) + (nxml-apply-fontify-rule ref-type ref-start ref-end)))) (defun nxml-fontify-qname (start colon @@ -1599,30 +1500,7 @@ of the line. This expects the xmltok-* variables to be set up as by (t (back-to-indentation))) (current-column)) -;;; Completion - -(defun nxml-complete () - "Perform completion on the symbol preceding point. - -Inserts as many characters as can be completed. However, if not even -one character can be completed, then a buffer with the possibilities -is popped up and the symbol is read from the minibuffer with -completion. If the symbol is complete, then any characters that must -follow the symbol are also inserted. - -The name space used for completion and what is treated as a symbol -depends on the context. The contexts in which completion is performed -depend on `nxml-completion-hook'." - (interactive) - (unless (run-hook-with-args-until-success 'nxml-completion-hook) - ;; Eventually we will complete on entity names here. - (ding) - (message "Cannot complete in this context"))) - -(defun nxml-completion-at-point-function () - "Call `nxml-complete' to perform completion at point." - (when nxml-bind-meta-tab-to-complete-flag - #'nxml-complete)) +(define-obsolete-function-alias 'nxml-complete #'completion-at-point "26.1") ;;; Movement @@ -1674,7 +1552,7 @@ single name. A character reference contains a character number." (t end))))) (nxml-scan-error (goto-char (cadr err)) - (apply 'error (cddr err))))) + (apply #'error (cddr err))))) (defun nxml-backward-single-balanced-item () (condition-case err @@ -1696,7 +1574,7 @@ single name. A character reference contains a character number." (t xmltok-start))))) (nxml-scan-error (goto-char (cadr err)) - (apply 'error (cddr err))))) + (apply #'error (cddr err))))) (defun nxml-scan-forward-within (end) (setq end (- end (nxml-end-delimiter-length xmltok-type))) @@ -1880,7 +1758,7 @@ single name. A character reference contains a character number." (setq arg (1- arg))) (nxml-scan-error (goto-char (cadr err)) - (apply 'error (cddr err)))))) + (apply #'error (cddr err)))))) (defun nxml-backward-up-element (&optional arg) (interactive "p") @@ -1909,7 +1787,7 @@ single name. A character reference contains a character number." (setq arg (1- arg))) (nxml-scan-error (goto-char (cadr err)) - (apply 'error (cddr err)))))) + (apply #'error (cddr err)))))) (defun nxml-down-element (&optional arg) "Move forward down into the content of an element. @@ -1974,7 +1852,7 @@ Negative ARG means move backward." (setq arg (1- arg))) (nxml-scan-error (goto-char (cadr err)) - (apply 'error (cddr err)))))) + (apply #'error (cddr err)))))) (defun nxml-backward-element (&optional arg) "Move backward over one element. @@ -1996,7 +1874,7 @@ Negative ARG means move forward." (setq arg (1- arg))) (nxml-scan-error (goto-char (cadr err)) - (apply 'error (cddr err)))))) + (apply #'error (cddr err)))))) (defun nxml-mark-token-after () (interactive) @@ -2477,116 +2355,15 @@ and attempts to find another possible way to do the markup." ;;; Character names -(defvar nxml-char-name-ignore-case t) - -(defvar nxml-char-name-alist nil - "Alist of character names. -Each member of the list has the form (NAME CODE . NAMESET), -where NAME is a string naming a character, NAMESET is a symbol -identifying a set of names and CODE is an integer specifying the -Unicode scalar value of the named character. -The NAME will only be used for completion if NAMESET has -a non-nil `nxml-char-name-set-enabled' property. -If NAMESET does does not have `nxml-char-name-set-defined' property, -then it must have a `nxml-char-name-set-file' property and `load' -will be applied to the value of this property if the nameset -is enabled.") - -(defvar nxml-char-name-table (make-hash-table :test 'eq) - "Hash table for mapping char codes to names. -Each key is a Unicode scalar value. -Each value is a list of pairs of the form (NAMESET . NAME), -where NAMESET is a symbol identifying a set of names, -and NAME is a string naming a character.") - -(defvar nxml-autoload-char-name-set-list nil - "List of char namesets that can be autoloaded.") - -(defun nxml-enable-char-name-set (nameset) - (put nameset 'nxml-char-name-set-enabled t)) - -(defun nxml-disable-char-name-set (nameset) - (put nameset 'nxml-char-name-set-enabled nil)) - -(defun nxml-char-name-set-enabled-p (nameset) - (get nameset 'nxml-char-name-set-enabled)) - -(defun nxml-autoload-char-name-set (nameset file) - (unless (memq nameset nxml-autoload-char-name-set-list) - (setq nxml-autoload-char-name-set-list - (cons nameset nxml-autoload-char-name-set-list))) - (put nameset 'nxml-char-name-set-file file)) - -(defun nxml-define-char-name-set (nameset alist) - "Define a set of character names. -NAMESET is a symbol identifying the set. -ALIST is a list where each member has the form (NAME CODE), -where NAME is a string naming a character and code is an -integer giving the Unicode scalar value of the character." - (when (get nameset 'nxml-char-name-set-defined) - (error "Nameset `%s' already defined" nameset)) - (let ((iter alist)) - (while iter - (let* ((name-code (car iter)) - (name (car name-code)) - (code (cadr name-code))) - (puthash code - (cons (cons nameset name) - (gethash code nxml-char-name-table)) - nxml-char-name-table)) - (setcdr (cdr (car iter)) nameset) - (setq iter (cdr iter)))) - (setq nxml-char-name-alist - (nconc alist nxml-char-name-alist)) - (put nameset 'nxml-char-name-set-defined t)) - -(defun nxml-get-char-name (code) - (mapc 'nxml-maybe-load-char-name-set nxml-autoload-char-name-set-list) - (let ((names (gethash code nxml-char-name-table)) - name) - (while (and names (not name)) - (if (nxml-char-name-set-enabled-p (caar names)) - (setq name (cdar names)) - (setq names (cdr names)))) - name)) - -(defvar nxml-named-char-history nil) - (defun nxml-insert-named-char (arg) "Insert a character using its name. The name is read from the minibuffer. Normally, inserts the character as a numeric character reference. With a prefix argument, inserts the character directly." (interactive "*P") - (mapc 'nxml-maybe-load-char-name-set nxml-autoload-char-name-set-list) - (let ((name - (let ((completion-ignore-case nxml-char-name-ignore-case)) - (completing-read "Character name: " - nxml-char-name-alist - (lambda (member) - (get (cddr member) 'nxml-char-name-set-enabled)) - t - nil - 'nxml-named-char-history))) - (alist nxml-char-name-alist) - elt code) - (while (and alist (not code)) - (setq elt (assoc name alist)) - (if (get (cddr elt) 'nxml-char-name-set-enabled) - (setq code (cadr elt)) - (setq alist (cdr (member elt alist))))) + (let ((code (read-char-by-name "Character name: "))) (when code - (insert (if arg - (or (decode-char 'ucs code) - (error "Character %x is not supported by Emacs" - code)) - (format "&#x%X;" code)))))) - -(defun nxml-maybe-load-char-name-set (sym) - (when (and (get sym 'nxml-char-name-set-enabled) - (not (get sym 'nxml-char-name-set-defined)) - (stringp (get sym 'nxml-char-name-set-file))) - (load (get sym 'nxml-char-name-set-file)))) + (insert (if arg code (format "&#x%X;" code)))))) (defun nxml-toggle-char-ref-extra-display (arg) "Toggle the display of extra information for character references." @@ -2602,9 +2379,11 @@ With a prefix argument, inserts the character directly." (defun nxml-char-ref-display-extra (start end n) (when nxml-char-ref-extra-display - (let ((name (nxml-get-char-name n)) + (let ((name (or (get-char-code-property n 'name) + (get-char-code-property n 'old-name))) (glyph-string (and nxml-char-ref-display-glyph-flag - (nxml-glyph-display-string n 'nxml-glyph))) + (char-displayable-p n) + (string n))) ov) (when (or name glyph-string) (setq ov (make-overlay start end nil t)) |