/plugins/nxhtml/related/smarty-mode.el

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;;; smarty-mode.el --- major mode for editing Smarty templates

;; Author:       Vincent DEBOUT <deboutv@free.fr>
;; Maintainer:	Vincent DEBOUT <deboutv@free.fr>
;; Keywords:	languages smarty templates
;; WWW:		http://deboutv.free.fr/lisp/smarty/

;;; License

;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 2
;; of the License, or (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

(defconst smarty-version "0.0.5"
  "Smarty Mode version number.")

(defconst smarty-time-stamp "2007-11-01"
  "Smarty Mode time stamp for last update.")

(defconst smarty-is-xemacs (string-match "XEmacs" emacs-version)
  "Non-nil if XEmacs is used.")

(require 'font-lock)
(when (not smarty-is-xemacs)
  (require 'cc-mode)
  (require 'custom)
  (require 'etags))
(eval-when-compile
  (require 'regexp-opt))
(when smarty-is-xemacs
  (require 'easymenu)
  (require 'hippie-exp))

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;;; Customization
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defgroup smarty nil
  "Customizations for Smarty mode."
  :prefix "smarty-"
  :group 'languages)

(defgroup smarty-mode nil
  "Customizations for Smarty mode."
  :group 'smarty)

(defcustom smarty-electric-mode t
  "*Non-nil enables electrification (automatic template generation).
If nil, template generators can still be invoked through key bindings and
menu.  Is indicated in the modeline by \"/e\" after the mode name and can be
toggled by `\\[smarty-electric-mode]'."
  :type 'boolean
  :group 'smarty-mode)

(defcustom smarty-stutter-mode t
  "*Non-nil enables stuttering.
Is indicated in the modeline by \"/s\" after the mode name and can be toggled
by `\\[smarty-stutter-mode]'."
  :type 'boolean
  :group 'smarty-mode)

(defgroup smarty-menu nil
  "Customizations for menues."
  :group 'smarty)

(defcustom smarty-source-file-menu t
  "*Non-nil means add a menu of all source files in current directory."
  :type 'boolean
  :group 'smarty-menu)

(defgroup smarty-highlight nil
  "Customizations for highlight."
  :group 'smarty)

(defcustom smarty-highlight-plugin-functions t
  "*Non-nil means highlight the plugin functions in the buffer."
  :type 'boolean
  :group 'smarty-highlight)

(defgroup smarty-template nil
  "Customizations for templates."
  :group 'smarty)

(defgroup smarty-header nil
  "Customizations for header template."
  :group 'smarty-template)

(defcustom smarty-file-header ""
  "*String or file to insert as file header.
If the string specifies an existing file name, the contents of the file is
inserted, otherwise the string itself is inserted as file header.
Type `C-j' for newlines.
If the header contains RCS keywords, they may be written as <RCS>Keyword<RCS>
if the header needs to be version controlled.

The following keywords for template generation are supported:
  <filename>    : replaced by the name of the buffer
  <author>      : replaced by the user name and email address
                  \(`user-full-name',`mail-host-address', `user-mail-address')
  <login>       : replaced by user login name (`user-login-name')
  <company>     : replaced by contents of option `smarty-company-name'
  <date>        : replaced by the current date
  <year>        : replaced by the current year
  <copyright>   : replaced by copyright string (`smarty-copyright-string')
  <cursor>      : final cursor position."
  :type 'string
  :group 'smarty-header)

(defcustom smarty-file-footer ""
  "*String or file to insert as file footer.
If the string specifies an existing file name, the contents of the file is
inserted, otherwise the string itself is inserted as file footer (i.e. at
the end of the file).
Type `C-j' for newlines.
The same keywords as in option `smarty-file-header' can be used."
  :type 'string
  :group 'smarty-header)

(defcustom smarty-company-name ""
  "*Name of company to insert in file header.
See option `smarty-file-header'."
  :type 'string
  :group 'smarty-header)

(defcustom smarty-copyright-string ""
  "*Copyright string to insert in file header.
Can be multi-line string (type `C-j' for newline) and contain other file
header keywords (see option `smarty-file-header')."
  :type 'string
  :group 'smarty-header)

(defcustom smarty-date-format "%Y-%m-%d"
  "*Specifies the date format to use in the header.
This string is passed as argument to the command `format-time-string'.
For more information on format strings, see the documentation for the
`format-time-string' command (C-h f `format-time-string')."
  :type 'string
  :group 'smarty-header)

(defcustom smarty-modify-date-prefix-string ""
  "*Prefix string of modification date in Smarty file header.
If actualization of the modification date is called (menu,
`\\[smarty-template-modify]'), this string is searched and the rest
of the line replaced by the current date."
  :type 'string
  :group 'smarty-header)

(defcustom smarty-modify-date-on-saving nil
  "*Non-nil means update the modification date when the buffer is saved.
Calls function `\\[smarty-template-modify]').

NOTE: Activate the new setting in a Smarty buffer by using the menu entry
      \"Activate Options\"."
  :type 'boolean
  :group 'smarty-header)

(defgroup smarty-misc nil
  "Miscellaneous customizations."
  :group 'smarty)

(defcustom smarty-left-delimiter "{"
  "Left escaping delimiter."
  :type 'string
  :group 'smarty-misc)

(defcustom smarty-right-delimiter "}"
  "Right escaping delimiter."
  :type 'string
  :group 'smarty-misc)

(defcustom smarty-intelligent-tab t
  "*Non-nil means `TAB' does indentation, word completion and tab insertion.
That is, if preceding character is part of a word then complete word,
else if not at beginning of line then insert tab,
else if last command was a `TAB' or `RET' then dedent one step,
else indent current line (i.e. `TAB' is bound to `smarty-electric-tab').
If nil, TAB always indents current line (i.e. `TAB' is bound to
`indent-according-to-mode').

NOTE: Activate the new setting in a Smarty buffer by using the menu entry
      \"Activate Options\"."
  :type 'boolean
  :group 'smarty-misc)

(defcustom smarty-word-completion-in-minibuffer t
  "*Non-nil enables word completion in minibuffer (for template prompts).

NOTE: Activate the new setting by restarting Emacs."
  :type 'boolean
  :group 'smarty-misc)

(defcustom smarty-word-completion-case-sensitive nil
  "*Non-nil means word completion using `TAB' is case sensitive.
That is, `TAB' completes words that start with the same letters and case.
Otherwise, case is ignored."
  :type 'boolean
  :group 'smarty-misc)

;; Functions

(defun smarty-customize ()
  "Call the customize function with `smarty' as argument."
  (interactive)
  (customize-browse 'smarty))

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;; Variables
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(defvar smarty-menu-max-size 20
  "*Specifies the maximum size of a menu before splitting it into submenues.")

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;; Menu tools functions
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(defun smarty-menu-split (list title)
  "Split menu LIST into several submenues, if number of
elements > `smarty-menu-max-size'."
  (if (> (length list) smarty-menu-max-size)
      (let ((remain list)
	    (result '())
	    (sublist '())
	    (menuno 1)
	    (i 0))
	(while remain
	  (setq sublist (cons (car remain) sublist))
	  (setq remain (cdr remain))
	  (setq i (+ i 1))
	  (if (= i smarty-menu-max-size)
	      (progn
		(setq result (cons (cons (format "%s %s" title menuno)
					 (nreverse sublist)) result))
		(setq i 0)
		(setq menuno (+ menuno 1))
		(setq sublist '()))))
	(and sublist
	     (setq result (cons (cons (format "%s %s" title menuno)
				      (nreverse sublist)) result)))
	(nreverse result))
    list))

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;; Source file menu
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defvar smarty-sources-menu nil)

;; Create the source menu
(defun smarty-add-source-files-menu ()
  "Scan directory for all Smarty source files and generate menu.
The directory of the current source file is scanned."
  (interactive)
  (message "Scanning directory for source files ...")
  (let ((newmap (current-local-map))
	(file-list (smarty-get-source-files))
	menu-list found)
    ;; Create list for menu
    (setq found nil)
    (while file-list
      (setq found t)
      (setq menu-list (cons (vector (car file-list)
				   (list 'find-file (car file-list)) t)
			   menu-list))
      (setq file-list (cdr file-list)))
    (setq menu-list (smarty-menu-split menu-list "Sources"))
    (when found (setq menu-list (cons "--" menu-list)))
    (setq menu-list (cons ["*Rescan*" smarty-add-source-files-menu t] menu-list))
    (setq menu-list (cons "Sources" menu-list))
    ;; Create menu
    (easy-menu-add menu-list)
    (easy-menu-define smarty-sources-menu newmap
		      "Smarty source files menu" menu-list))
  (message ""))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Smarty menu
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defun smarty-create-mode-menu ()
  "Create Smarty Mode menu."
  `("Smarty"
    ("Templates"
     ("Built-in Functions"
      ["capture" smarty-template-capture t]
      ["config_load" smarty-template-config-load t]
      ["else" smarty-template-else t]
      ["elseif" smarty-template-elseif t]
      ["foreach" smarty-template-foreach t]
      ["foreachelse" smarty-template-foreachelse t]
      ["if" smarty-template-if t]
      ["include" smarty-template-include t]
      ["include_php" smarty-template-include-php t]
      ["insert" smarty-template-insert t]
      ["ldelim" smarty-template-ldelim t]
      ["literal" smarty-template-literal t]
      ["php" smarty-template-php t]
      ["rdelim" smarty-template-rdelim t]
      ["section" smarty-template-section t]
      ["sectionelse" smarty-template-sectionelse t]
      ["strip" smarty-template-strip t])
     ("Custom Functions"
      ["assign" smarty-template-assign t]
      ["counter" smarty-template-counter t]
      ["cycle" smarty-template-cycle t]
      ["debug" smarty-template-debug t]
      ["eval" smarty-template-eval t]
      ["fetch"  smarty-template-fetch t]
      ["html_checkboxes" smarty-template-html-checkboxes t]
      ["html_image" smarty-template-html-image t]
      ["html_options" smarty-template-html-options t]
      ["html_radios" smarty-template-html-radios t]
      ["html_select_date" smarty-template-html-select-date t]
      ["html_select_time" smarty-template-html-select-time t]
      ["html_table" smarty-template-html-table t]
      ["mailto" smarty-template-mailto t]
      ["math" smarty-template-math t]
      ["popup" smarty-template-popup t]
      ["popup_init" smarty-template-popup-init t]
      ["textformat" smarty-template-textformat t])
     ("Variable Modifiers"
      ["capitalize" smarty-template-capitalize t]
      ["cat" smarty-template-cat t]
      ["count_characters" smarty-template-count-characters t]
      ["count_paragraphs" smarty-template-count-paragraphs t]
      ["count_sentences" smarty-template-count-sentences t]
      ["count_words" smarty-template-count-words t]
      ["date_format" smarty-template-date-format t]
      ["default" smarty-template-default t]
      ["escape" smarty-template-escape t]
      ["indent" smarty-template-indent t]
      ["lower" smarty-template-lower t]
      ["nl2br" smarty-template-nl2br t]
      ["regex_replace" smarty-template-regex-replace t]
      ["replace" smarty-template-replace t]
      ["spacify" smarty-template-spacify t]
      ["string_format" smarty-template-string-format t]
      ["strip" smarty-template-vstrip t]
      ["strip_tags" smarty-template-strip-tags t]
      ["truncate" smarty-template-truncate t]
      ["upper" smarty-template-upper t]
      ["wordwrap" smarty-template-wordwrap t])
     ("Plugins (Functions)"
      ("BlockRepeatPlugin"
       ["repeat" smarty-template-repeat t]
       ["str_repeat" smarty-template-str-repeat t])
      ("ClipCache"
       ["clipcache" smarty-template-clipcache t]
       ["include_clipcache" smarty-template-include-clipcache t])
      ("SmartyFormtool"
       ["formtool_checkall" smarty-template-formtool-checkall t]
       ["formtool_copy" smarty-template-formtool-copy t]
       ["formtool_count_chars" smarty-template-formtool-count-chars t]
       ["formtool_init" smarty-template-formtool-init t]
       ["formtool_move" smarty-template-formtool-move t]
       ["formtool_moveall" smarty-template-formtool-moveall t]
       ["formtool_movedown" smarty-template-formtool-movedown t]
       ["formtool_moveup" smarty-template-formtool-moveup t]
       ["formtool_remove" smarty-template-formtool-remove t]
       ["formtool_rename" smarty-template-formtool-rename t]
       ["formtool_save" smarty-template-formtool-save t]
       ["formtool_selectall" smarty-template-formtool-selectall t])
      ("SmartyPaginate"
       ["paginate_first" smarty-template-paginate-first t]
       ["paginate_last" smarty-template-paginate-last t]
       ["paginate_middle" smarty-template-paginate-middle t]
       ["paginate_next" smarty-template-paginate-next t]
       ["paginate_prev" smarty-template-paginate-prev t])
      ("SmartyValidate"
       ["validate" smarty-template-validate t]))
     ("Plugins (Variable Modifiers)"
      ("AlternativeDateModifierPlugin"
       ["date_format2" smarty-template-date-formatto t])
      ("B2Smilies"
       ["B2Smilies" smarty-template-btosmilies t])
      ("BBCodePlugin"
       ["bbcode2html" smarty-template-bbcodetohtml t])
      )
     "--"
     ["Insert Header" smarty-template-header t]
     ["Insert Footer" smarty-template-footer t]
     ["Insert Date" smarty-template-insert-date t]
     ["Modify Date" smarty-template-modify t])
    "--"
    ["Show Messages" smarty-show-messages :keys "C-c M-m"]
    ["Smarty Mode Documentation" smarty-doc-mode :keys "C-c C-h"]
    ["Version" smarty-version :keys "C-c C-v"]
    "--"
    ("Options"
     ("Mode"
      ["Electric Mode"
       (progn (customize-set-variable 'smarty-electric-mode
				      (not smarty-electric-mode))
	      (smarty-mode-line-update))
       :style toggle :selected smarty-electric-mode :keys "C-c C-m C-e"]
      ["Stutter Mode"
       (progn (customize-set-variable 'smarty-stutter-mode
				      (not smarty-stutter-mode))
	      (smarty-mode-line-update))
       :style toggle :selected smarty-stutter-mode :keys "C-c C-m C-s"]
      "--"
      ["Customize Group..." (customize-group 'smarty-mode) t])
     ("Menu"
      ["Source Menu"
       (customize-set-variable 'smarty-source-file-menu
			       (not smarty-source-file-menu))
       :style toggle :selected smarty-source-file-menu]
      "--"
      ["Customize Group..." (customize-group 'smarty-menu) t])
     ("Highlight"
      ["Highlight plugin functions"
       (progn (customize-set-variable 'smarty-highlight-plugin-functions
				      (not smarty-highlight-plugin-functions)))
       :style toggle :selected smarty-highlight-plugin-functions]
      "--"
      ["Customize Group..." (customize-group 'smarty-highlight) t])
     ("Template"
      ("Header"
       ["Header template..."
	(customize-option 'smarty-file-header) t]
       ["Footer template..."
	(customize-option 'smarty-file-footer) t]
       ["Company..."
	(customize-option 'smarty-company-name) t]
       ["Copyright..."
	(customize-option 'smarty-copyright-string) t]
       ["Date format..."
	(customize-option 'smarty-date-format) t]
       ["Modify date prefix..."
	(customize-option 'smarty-modify-date-prefix-string) t]
       ["Modify date on saving"
	(customize-set-variable 'smarty-modify-date-on-saving
				(not smarty-modify-date-on-saving))
	:style toggle :selected smarty-modify-date-on-saving]
       "--"
       ["Customize Group..." (customize-group 'smarty-header) t])
      "--"
      ["Customize Group..." (customize-group 'smarty-template) t])
     ("Miscellaneous"
      ["Left delimiter..."
       (customize-option 'smarty-left-delimiter) t]
      ["Right delimiter..."
       (customize-option 'smarty-right-delimiter) t]
      ["Use Intelligent Tab"
       (progn (customize-set-variable 'smarty-intelligent-tab
				      (not smarty-intelligent-tab))
	      (smarty-activate-customizations))
       :style toggle :selected smarty-intelligent-tab]
      ["Word Completion in Minibuffer"
       (progn (customize-set-variable 'smarty-word-completion-in-minibuffer
				      (not smarty-word-completion-in-minibuffer))
	      (message "Activate new setting by saving options and restarting Emacs"))
       :style toggle :selected smarty-word-completion-in-minibuffer]
      ["Completion is case sensitive"
       (customize-set-variable 'smarty-word-completion-case-sensitive
			       (not smarty-word-completion-case-sensitive))
       :style toggle :selected smarty-word-completion-case-sensitive]
      "--"
      ["Customize Group..." (customize-group 'smarty-misc) t])
     "--"
     ["Save Options" customize-save-customized t]
     ["Activate Options" smarty-activate-customizations t]
     ["Browse Options..." smarty-customize t])))

(defvar smarty-mode-menu-list (smarty-create-mode-menu)
  "Smarty Mode menu.")

(defvar smarty-mode-map nil
  "Keymap for Smarty Mode.")

(defun smarty-update-mode-menu ()
  "Update Smarty Mode menu."
  (interactive)
  (easy-menu-remove smarty-mode-menu-list)
  (setq smarty-mode-menu-list (smarty-create-mode-menu))
  (easy-menu-add smarty-mode-menu-list)
  (easy-menu-define smarty-mode-menu smarty-mode-map
		    "Menu keymap for Smarty Mode." smarty-mode-menu-list))




(defvar smarty-mode-hook nil)

(defvar smarty-functions nil
  "List of Smarty functions.")

(defvar smarty-functions-regexp nil
  "Regexp for Smarty functions.")

(defconst smarty-01-functions
  '("capture" "config_load" "foreach" "foreachelse" "include" 
    "include_php" "insert" "if" "elseif" "else" "ldelim" "rdelim"
    "literal" "php" "section" "sectionelse" "strip" "assign" "counter"
    "cycle" "debug" "eval" "fetch" "html_checkboxes" "html_image"
    "html_options" "html_radios" "html_select_date" "html_select_time"
    "html_table" "math" "mailto" "popup_init" "popup" "textformat")
  "Smarty built-in & custom functions.")

(defvar smarty-modifiers nil
  "List of Smarty variable modifiers.")

(defvar smarty-modifiers-regexp nil
  "Regexp for Smarty variable modifiers.")

(defconst smarty-01-modifiers
  '("capitalize" "cat" "count_characters" "count_paragraphs"
    "count_sentences" "count_words" "date_format" "default"
    "escape" "indent" "lower" "nl2br" "regex_replace" "replace"
    "spacify" "string_format" "strip" "strip_tags" "truncate"
    "upper" "wordwrap")
  "Smarty variable modifiers.")

(defvar smarty-plugins-functions nil
  "List of Smarty functions.")

(defvar smarty-plugins-functions-regexp nil
  "Regexp for Smarty functions.")

(defconst smarty-01-plugins-functions
  '("validate" "formtool_checkall" "formtool_copy" "formtool_count_chars"
    "formtool_init" "formtool_move" "formtool_moveall"
    "formtool_movedown" "formtool_moveup" "formtool_remove"
    "formtool_rename" "formtool_save" "formtool_selectall"
    "paginate_first" "paginate_last" "paginate_middle" 
    "paginate_next" "paginate_prev" "clipcache" "include_clipcache"
    "repeat" "str_repeat")
  "Smarty plugins functions.")

(defvar smarty-plugins-modifiers nil
  "List of Smarty variable modifiers.")

(defvar smarty-plugins-modifiers-regexp nil
  "Regexp for Smarty functions.")

(defconst smarty-01-plugins-modifiers
  '("B2Smilies" "bbcode2html" "date_format2")
  "Smarty plugins modifiers.")

(defconst smarty-constants
  (eval-when-compile
	(regexp-opt
	 '("TRUE" "FALSE" "NULL") t))
  "Smarty constants.")
	   
	
;; Syntax table creation
(defvar smarty-mode-syntax-table nil
  "Syntax table for smarty-mode.")

(defvar smarty-mode-ext-syntax-table nil
  "Syntax table extended by `_' used in `smarty-mode' buffers.")

(defun smarty-create-syntax-table ()
  (if smarty-mode-syntax-table
      ()
    (setq smarty-mode-syntax-table (make-syntax-table))
    
    ;; Make | a punctuation character
    (modify-syntax-entry ?| "." smarty-mode-syntax-table)
    ;; Make " a punctuation character so highlighing works withing html strings
    (modify-syntax-entry ?\" "." smarty-mode-syntax-table)
    ;; define parentheses to match
    (modify-syntax-entry ?\( "()"   smarty-mode-syntax-table)
    (modify-syntax-entry ?\) ")("   smarty-mode-syntax-table)
    (modify-syntax-entry ?\[ "(]"   smarty-mode-syntax-table)
    (modify-syntax-entry ?\] ")["   smarty-mode-syntax-table)
    (modify-syntax-entry ?\{ "(}"   smarty-mode-syntax-table)
    (modify-syntax-entry ?\} "){"   smarty-mode-syntax-table)
    )
  (set-syntax-table smarty-mode-syntax-table)
  ;; extended syntax table including '_' (for simpler search regexps)
  (setq smarty-mode-ext-syntax-table (copy-syntax-table smarty-mode-syntax-table))
  (modify-syntax-entry ?_ "w" smarty-mode-ext-syntax-table))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; File/directory manipulation
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defun smarty-directory-files (directory &optional full match)
  "Call `directory-files' if DIRECTORY exists, otherwise generate error
message."
  (if (not (file-directory-p directory))
      (smarty-warning-when-idle "No such directory: \"%s\"" directory)
    (let ((dir (directory-files directory full match)))
      (setq dir (delete "." dir))
      (setq dir (delete ".." dir))
      dir)))

(defun smarty-get-source-files (&optional full directory)
  "Get list of SMARTY source files in DIRECTORY or current directory."
  (let ((mode-alist auto-mode-alist)
	filename-regexp)
    ;; create regular expressions for matching file names
    (setq filename-regexp "\\`[^.].*\\(")
    (while mode-alist
      (when (eq (cdar mode-alist) 'smarty-mode)
	(setq filename-regexp
	      (concat filename-regexp (caar mode-alist) "\\|")))
      (setq mode-alist (cdr mode-alist)))
    (setq filename-regexp
	  (concat (substring filename-regexp 0
			     (string-match "\\\\|$" filename-regexp)) "\\)"))
    ;; find files
    (smarty-directory-files
     (or directory default-directory) full filename-regexp)))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Messages reporting
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defvar smarty-warnings nil
  "Warnings to tell the user during start up.")

(defun smarty-run-when-idle (secs repeat function)
  "Wait until idle, then run FUNCTION."
  (if (fboundp 'start-itimer)
      (start-itimer "smarty-mode" function secs repeat t)
;    (run-with-idle-timer secs repeat function)))
    ;; explicitely activate timer (necessary when Emacs is already idle)
    (aset (run-with-idle-timer secs repeat function) 0 nil)))

(defun smarty-warning-when-idle (&rest args)
  "Wait until idle, then print out warning STRING and beep."
  (save-match-data ;; runs in timer
    (if noninteractive
        (smarty-warning (apply 'format args) t)
      (unless smarty-warnings
        (smarty-run-when-idle .1 nil 'smarty-print-warnings))
      (setq smarty-warnings (cons (apply 'format args) smarty-warnings)))))

(defun smarty-warning (string &optional nobeep)
  "Print out warning STRING and beep."
  (message (concat "WARNING:  " string))
  (unless (or nobeep noninteractive) (beep)))

(defun smarty-print-warnings ()
  "Print out messages in variable `smarty-warnings'."
  (let ((no-warnings (length smarty-warnings)))
    (setq smarty-warnings (nreverse smarty-warnings))
    (while smarty-warnings
      (message (concat "WARNING:  " (car smarty-warnings)))
      (setq smarty-warnings (cdr smarty-warnings)))
    (beep)
    (when (> no-warnings 1)
      (message "WARNING:  See warnings in message buffer (type `C-c M-m')."))))

(defun smarty-show-messages ()
  "Get *Messages* buffer to show recent messages."
  (interactive)
  (display-buffer " *Message-Log*"))

(defun smarty-version ()
  "Echo the current version of Smarty Mode in the minibuffer."
  (interactive)
  (message "Smarty Mode %s (%s)" smarty-version smarty-time-stamp)
  (smarty-keep-region-active))

;; active regions
(defun smarty-keep-region-active ()
  "Do whatever is necessary to keep the region active in XEmacs.
Ignore byte-compiler warnings you might see."
  (and (boundp 'zmacs-region-stays)
       (setq zmacs-region-stays t)))

(defmacro smarty-prepare-search-1 (&rest body)
  "Enable case insensitive search and switch to syntax table that includes '_',
then execute BODY, and finally restore the old environment.  Used for
consistent searching."
  `(let ((case-fold-search t)		; case insensitive search
	 (current-syntax-table (syntax-table))
	 result
	 (restore-prog			; program to restore enviroment
	  '(progn
	     ;; restore syntax table
	     (set-syntax-table current-syntax-table))))
     ;; use extended syntax table
     (set-syntax-table smarty-mode-ext-syntax-table)
     ;; execute BODY safely
     (setq result
	   (condition-case info
	       (progn ,@body)
	     (error (eval restore-prog)	; restore environment on error
		    (error (cadr info))))) ; pass error up
     ;; restore environment
     (eval restore-prog)
     result))

(defmacro smarty-prepare-search-2 (&rest body)
  "Enable case insensitive search, switch to syntax table that includes '_',
and remove `intangible' overlays, then execute BODY, and finally restore the
old environment.  Used for consistent searching."
  `(let ((case-fold-search t)		; case insensitive search
	 (current-syntax-table (syntax-table))
	 result overlay-all-list overlay-intangible-list overlay
	 (restore-prog			; program to restore enviroment
	  '(progn
	     ;; restore syntax table
	     (set-syntax-table current-syntax-table)
	     ;; restore `intangible' overlays
	     (when (fboundp 'overlay-lists)
	       (while overlay-intangible-list
		 (overlay-put (car overlay-intangible-list) 'intangible t)
		 (setq overlay-intangible-list
		       (cdr overlay-intangible-list)))))))
     ;; use extended syntax table
     (set-syntax-table smarty-mode-ext-syntax-table)
     ;; remove `intangible' overlays
     (when (fboundp 'overlay-lists)
       (setq overlay-all-list (overlay-lists))
       (setq overlay-all-list
	     (append (car overlay-all-list) (cdr overlay-all-list)))
       (while overlay-all-list
	 (setq overlay (car overlay-all-list))
	 (when (memq 'intangible (overlay-properties overlay))
	   (setq overlay-intangible-list
		 (cons overlay overlay-intangible-list))
	   (overlay-put overlay 'intangible nil))
	 (setq overlay-all-list (cdr overlay-all-list))))
     ;; execute BODY safely
     (setq result
	   (condition-case info
	       (progn ,@body)
	     (error (eval restore-prog)	; restore environment on error
		    (error (cadr info))))) ; pass error up
     ;; restore environment
     (eval restore-prog)
     result))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;  Enabling/disabling

(defun smarty-mode-line-update ()
  "Update the modeline string for Smarty major mode."
  (setq mode-name (concat "Smarty"
			  (and (or smarty-electric-mode smarty-stutter-mode) "/")
			  (and smarty-electric-mode "e")
			  (and smarty-stutter-mode "s")))
  (force-mode-line-update t))

(defun smarty-electric-mode (arg)
  "Toggle Smarty electric mode.
Turn on if ARG positive, turn off if ARG negative, toggle if ARG zero or nil."
  (interactive "P")
  (setq smarty-electric-mode
	(cond ((or (not arg) (zerop arg)) (not smarty-electric-mode))
	      ((> arg 0) t) (t nil)))
  (smarty-mode-line-update))

(defun smarty-stutter-mode (arg)
  "Toggle Smarty stuttering mode.
Turn on if ARG positive, turn off if ARG negative, toggle if ARG zero or nil."
  (interactive "P")
  (setq smarty-stutter-mode
	(cond ((or (not arg) (zerop arg)) (not smarty-stutter-mode))
	      ((> arg 0) t) (t nil)))
  (smarty-mode-line-update))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Smarty code delimitation
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defun smarty-in-literal ()
  "Determine if point is in a Smarty literal."
  (save-excursion
    (let ((here (point))
	  start state)
      (beginning-of-line)
      (setq start (point))
      (goto-char here)
      (setq state (parse-partial-sexp start (point)))
      (cond
       ((nth 3 state) 'string)
       ((nth 4 state) 'comment)
       (t nil)))))

(defun smarty-in-comment-p ()
  "Check if point is in a comment."
  (let ((result nil) (here (point-marker)) found)
    (save-excursion
      (setq found (re-search-backward (regexp-quote (concat smarty-left-delimiter "*")) nil t))
      (when found
	(setq result (re-search-forward (regexp-quote (concat "*" smarty-right-delimiter)) here t))
	(setq result (not result))))
    result))

(defun smarty-after-ldelim ()
  "Check that the previous character is the left delimiter."
  (let ((here (point-marker)) ldelim-found ldelim-point)
    (save-excursion
      (setq ldelim-found (re-search-backward (regexp-quote smarty-left-delimiter) nil t))
      (re-search-forward (regexp-quote smarty-left-delimiter) here t)
      (setq ldelim-point (point-marker))
      (goto-char here)
      (if (and (= here ldelim-point) ldelim-found)
	  t
	nil))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Words to expand
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defun smarty-words-init ()
  "Initialize reserved words."
  (setq smarty-functions smarty-01-functions)
  (setq smarty-modifiers smarty-01-modifiers)
  (setq smarty-plugins-functions smarty-01-plugins-functions)
  (setq smarty-plugins-modifiers smarty-01-plugins-modifiers)
  (setq smarty-functions-regexp (concat "\\<\\(" (regexp-opt smarty-functions) "\\)\\>"))
  (setq smarty-modifiers-regexp (concat "\\<\\(" (regexp-opt smarty-modifiers) "\\)\\>"))
  (setq smarty-plugins-functions-regexp (concat "\\<\\(" (regexp-opt smarty-plugins-functions) "\\)\\>"))
  (setq smarty-plugins-modifiers-regexp (concat "\\<\\(" (regexp-opt smarty-plugins-modifiers) "\\)\\>"))
  (smarty-abbrev-list-init))

(defvar smarty-abbrev-list nil
  "Predefined abbreviations for Smarty.")

(defun smarty-abbrev-list-init ()
  (setq smarty-abbrev-list
	(append
	 (list nil) smarty-functions
	 (list nil) smarty-modifiers
	 (list nil) smarty-plugins-functions
	 (list nil) smarty-plugins-modifiers)))

(defvar smarty-expand-upper-case nil)

(defun smarty-try-expand-abbrev (old)
  "Try expanding abbreviations from `smarty-abbrev-list'."
  (unless old
    (he-init-string (he-dabbrev-beg) (point))
    (setq he-expand-list
	  (let ((abbrev-list smarty-abbrev-list)
		(sel-abbrev-list '()))
	    (while abbrev-list
	   ;   (if (stringp (car abbrev-list))
		;  (insert (concat " " (car abbrev-list))))
	      (when (or (not (stringp (car abbrev-list)))
			(string-match
			 (concat "^" he-search-string) (car abbrev-list)))
		(setq sel-abbrev-list
		      (cons (car abbrev-list) sel-abbrev-list)))
	      (setq abbrev-list (cdr abbrev-list)))
	    (nreverse sel-abbrev-list))))
  (while (and he-expand-list
	      (or (not (stringp (car he-expand-list)))
		  (he-string-member (car he-expand-list) he-tried-table t)))
    (unless (stringp (car he-expand-list))
      (setq smarty-expand-upper-case (car he-expand-list)))
    (setq he-expand-list (cdr he-expand-list)))
  (if (null he-expand-list)
      (progn (when old (he-reset-string))
	     nil)
    (he-substitute-string
     (if smarty-expand-upper-case
	 (upcase (car he-expand-list))
       (car he-expand-list))
     t)
    (setq he-expand-list (cdr he-expand-list))
    t))

;; initialize reserved words for Smarty Mode
(smarty-words-init)

;; function for expanding abbrevs and dabbrevs
(defun smarty-expand-abbrev (arg))
(fset 'smarty-expand-abbrev (make-hippie-expand-function
			   '(try-expand-dabbrev
			     try-expand-dabbrev-all-buffers
			     smarty-try-expand-abbrev)))

;; function for expanding parenthesis
(defun smarty-expand-paren (arg))
(fset 'smarty-expand-paren (make-hippie-expand-function
			  '(try-expand-list
			    try-expand-list-all-buffers)))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Stuttering
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defun smarty-electric-tab (&optional prefix-arg)
  "If preceding character is part of a word or a paren then hippie-expand,
else if right of non whitespace on line then insert tab,
else if last command was a tab or return then dedent one step or if a comment
toggle between normal indent and inline comment indent,
else indent `correctly'."
  (interactive "*P")
  (smarty-prepare-search-2
   (cond
    ;; expand word
    ((= (char-syntax (preceding-char)) ?w)
     (let ((case-fold-search (not smarty-word-completion-case-sensitive))
	   (case-replace nil)
	   (hippie-expand-only-buffers
	    (or (and (boundp 'hippie-expand-only-buffers)
		     hippie-expand-only-buffers)
		'(smarty-mode))))
       (smarty-expand-abbrev prefix-arg)))
    ;; expand parenthesis
    ((or (= (preceding-char) ?\() (= (preceding-char) ?\)))
     (let ((case-fold-search (not smarty-word-completion-case-sensitive))
	   (case-replace nil))
       (smarty-expand-paren prefix-arg))))
   (setq this-command 'smarty-electric-tab)))

(defun smarty-electric-space (count)
  "Expand abbreviations and self-insert space(s)."
  (interactive "p")
  (let ((here (point-marker)) ldelim-found ldelim-point rdelim-found rdelim-point
	delete-a)
    (setq ldelim-found (re-search-backward (regexp-quote smarty-left-delimiter) nil t))
    (re-search-forward (regexp-quote smarty-left-delimiter) here t)
    (setq ldelim-point (point-marker))
    (goto-char here)
    (setq rdelim-found (re-search-backward (regexp-quote (concat " " smarty-right-delimiter)) nil t))
    (re-search-forward (regexp-quote (concat " " smarty-right-delimiter)) here t)
    (setq rdelim-point (point-marker))
    (goto-char here)
  (cond ((and (= here ldelim-point) ldelim-found) (insert (concat "ldelim" smarty-right-delimiter)))
	((and (= here rdelim-point) rdelim-found) 
	 (re-search-backward (regexp-quote (concat " " smarty-right-delimiter)) nil t)
	 (delete-char 1)
	 (insert (concat " " smarty-left-delimiter "rdelim"))
	 (goto-char here))
	((smarty-in-comment-p)
	 (self-insert-command count)
	 (cond ((>= (current-column) (+ 2 end-comment-column))
		(backward-char 1)
		(skip-chars-backward "^ \t\n")
		(indent-new-comment-line)
		(skip-chars-forward "^ \t\n")
		(forward-char 1))
	       ((>= (current-column) end-comment-column)
		(indent-new-comment-line))
	       (t nil)))
	((or (and (>= (preceding-char) ?a) (<= (preceding-char) ?z))
	     (and (>= (preceding-char) ?A) (<= (preceding-char) ?Z))
	     (and (>= (preceding-char) ?0) (<= (preceding-char) ?9)))
	 (progn 
	   (setq here (point-marker))
	   (insert " ")
	   (setq delete-a t)
	   (if (re-search-backward "|" nil t)
	       (progn 
		 (setq found (re-search-forward (regexp-quote "B2Smilies") here t))
		 (if (and found (= here (point-marker)))
		     (replace-match "btosmilies")
		   (setq found (re-search-forward (regexp-quote "bbcode2html") here t))
		   (if (and found (= here (point-marker)))
		       (replace-match "bbcodetohtml")
		     (setq found (re-search-forward (regexp-quote "date_format2") here t))
		     (if (and found (= here (point-marker)))
			 (replace-match "date_formatto")
		       (goto-char here)
		       (setq delete-a nil)
		       (delete-char 1)))))
	     (goto-char here)
	     (setq delete-a nil)
	     (delete-char 1)))
	 (smarty-prepare-search-1 (expand-abbrev))
	 (self-insert-command count)
	 (if (and delete-a (looking-at " "))
	     (delete-char 1)))
	(t (self-insert-command count)))))

(defun smarty-electric-open-bracket (count) 
  "'(' --> '(', '((' --> '[', '[(' --> '{'"
  (interactive "p")
  (if (and smarty-stutter-mode (= count 1) (not (smarty-in-literal)))
      (if (= (preceding-char) ?\()
	  (progn (delete-char -1) (insert-char ?\[ 1))
	(if (= (preceding-char) ?\[)
	    (progn (delete-char -1) (insert-char ?\{ 1))
	  (insert-char ?\( 1)))
    (self-insert-command count)))

(defun smarty-electric-close-bracket (count) 
  "')' --> ')', '))' --> ']', '])' --> '}'"
  (interactive "p")
  (if (and smarty-stutter-mode (= count 1) (not (smarty-in-literal)))
      (progn
	(if (= (preceding-char) ?\))
	    (progn (delete-char -1) (insert-char ?\] 1))
	  (if (= (preceding-char) ?\])
	      (progn (delete-char -1) (insert-char ?} 1))
	    (insert-char ?\) 1)))
	(blink-matching-open))
    (self-insert-command count)))

(defun smarty-electric-star (count) 
  "After a left delimiter add a right delemiter to close the comment"
  (interactive "p")
  (let ((here (point-marker)) found)
    (if (and smarty-stutter-mode (= count 1) (not (smarty-in-literal)))
	(progn
	  (setq found (re-search-backward (regexp-quote smarty-left-delimiter) nil t))
	  (re-search-forward (regexp-quote smarty-left-delimiter) here t)
	  (if (not (and (= here (point-marker)) found))
	      (progn (goto-char here)
		     (self-insert-command count))
	    (self-insert-command count)
	    (insert " ")
	    (setq here (point-marker))
	    (insert " *")
	    (insert smarty-right-delimiter)
	    (goto-char here)))
      (self-insert-command count))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Electrification
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defconst smarty-template-prompt-syntax "[^ =<>][^<>@.\n]*[^ =<>]"
  "Syntax of prompt inserted by template generators.")

(defvar smarty-template-invoked-by-hook nil
  "Indicates whether a template has been invoked by a hook or by key or menu.
Used for undoing after template abortion.")

(defun smarty-minibuffer-tab (&optional prefix-arg)
  "If preceding character is part of a word or a paren then hippie-expand,
else insert tab (used for word completion in Smarty minibuffer)."
  (interactive "P")
  (cond
   ;; expand word
   ((= (char-syntax (preceding-char)) ?w)
    (let ((case-fold-search (not smarty-word-completion-case-sensitive))
	  (case-replace nil)
	  (hippie-expand-only-buffers
	   (or (and (boundp 'hippie-expand-only-buffers)
		    hippie-expand-only-buffers)
	       '(smarty-mode))))
      (smarty-expand-abbrev prefix-arg)))
   ;; expand parenthesis
   ((or (= (preceding-char) ?\() (= (preceding-char) ?\)))
    (let ((case-fold-search (not smarty-word-completion-case-sensitive))
	  (case-replace nil))
      (smarty-expand-paren prefix-arg)))
   ;; insert tab
   (t (insert-tab))))

;; correct different behavior of function `unread-command-events' in XEmacs
(defun smarty-character-to-event (arg))
(defalias 'smarty-character-to-event
  (if (fboundp 'character-to-event) 'character-to-event 'identity))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Abbrev ook bindings
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defvar smarty-mode-abbrev-table nil
  "Abbrev table to use in `smarty-mode' buffers.")

(defun smarty-mode-abbrev-table-init ()
  "Initialize `smarty-mode-abbrev-table'."
  (when smarty-mode-abbrev-table (clear-abbrev-table smarty-mode-abbrev-table))
  (define-abbrev-table 'smarty-mode-abbrev-table
    (append
     '(
       ("capture" "" smarty-template-capture-hook 0)
       ("config_load" "" smarty-template-config-load-hook 0)
       ("else" "" smarty-template-else-hook 0)
       ("elseif" "" smarty-template-elseif-hook 0)
       ("foreach" "" smarty-template-foreach-hook 0)
       ("foreachelse" "" smarty-template-foreachelse-hook 0)
       ("if" "" smarty-template-if-hook 0)
       ("include" "" smarty-template-include-hook 0)
       ("include_php" "" smarty-template-include-php-hook 0)
       ("insert" "" smarty-template-insert-hook 0)
       ("ldelim" "" smarty-template-ldelim-hook 0)
       ("literal" "" smarty-template-literal-hook 0)
       ("php" "" smarty-template-php-hook 0)
       ("rdelim" "" smarty-template-rdelim-hook 0)
       ("section" "" smarty-template-section-hook 0)
       ("sectionelse" "" smarty-template-sectionelse-hook 0)
       ("strip" "" smarty-template-strip-hook 0)
       ("assign" "" smarty-template-assign-hook 0)
       ("counter" "" smarty-template-counter-hook 0)
       ("cycle" "" smarty-template-cycle-hook 0)
       ("debug" "" smarty-template-debug-hook 0)
       ("eval" "" smarty-template-eval-hook 0)
       ("fetch" ""  smarty-template-fetch-hook 0)
       ("html_checkboxes" "" smarty-template-html-checkboxes-hook 0)
       ("html_image" "" smarty-template-html-image-hook 0)
       ("html_options" "" smarty-template-html-options-hook 0)
       ("html_radios" "" smarty-template-html-radios-hook 0)
       ("html_select_date" "" smarty-template-html-select-date-hook 0)
       ("html_select_time" "" smarty-template-html-select-time-hook 0)
       ("html_table" "" smarty-template-html-table-hook 0)
       ("mailto" "" smarty-template-mailto-hook 0)
       ("math" "" smarty-template-math-hook 0)
       ("popup" "" smarty-template-popup-hook 0)
       ("popup_init" "" smarty-template-popup-init-hook 0)
       ("textformat" "" smarty-template-textformat-hook 0)
       ("capitalize" "" smarty-template-capitalize-hook 0)
       ("cat" "" smarty-template-cat-hook 0)
       ("count_characters" "" smarty-template-count-characters-hook 0)
       ("count_paragraphs" "" smarty-template-count-paragraphs-hook 0)
       ("count_sentences" "" smarty-template-count-sentences-hook 0)
       ("count_words" "" smarty-template-count-words-hook 0)
       ("date_format" "" smarty-template-date-format-hook 0)
       ("default" "" smarty-template-default-hook 0)
       ("escape" "" smarty-template-escape-hook 0)
       ("indent" "" smarty-template-indent-hook 0)
       ("lower" "" smarty-template-lower-hook 0)
       ("nl2br" "" smarty-template-nl2br-hook 0)
       ("regex_replace" "" smarty-template-regex-replace-hook 0)
       ("replace" "" smarty-template-replace-hook 0)
       ("spacify" "" smarty-template-spacify-hook 0)
       ("string_format" "" smarty-template-string-format-hook 0)
       ("strip" "" smarty-template-vstrip-hook 0)
       ("strip_tags" "" smarty-template-strip-tags-hook 0)
       ("truncate" "" smarty-template-truncate-hook 0)
       ("upper" "" smarty-template-upper-hook 0)
       ("wordwrap" "" smarty-template-wordwrap-hook 0)
       ("validate" "" smarty-template-validate-hook 0)
       ("clipcache" "" smarty-template-clipcache-hook 0)
       ("repeat" "" smarty-template-repeat-hook 0)
       ("str_repeat" "" smarty-template-str-repeat-hook 0)
       ("include_clipcache" "" smarty-template-include-clipcache-hook 0)
       ("formtool_checkall" "" smarty-template-formtool-checkall-hook 0)
       ("formtool_copy" "" smarty-template-formtool-copy-hook 0)
       ("formtool_count_chars" "" smarty-template-formtool-count-chars-hook 0)
       ("formtool_init" "" smarty-template-formtool-init-hook 0)
       ("formtool_move" "" smarty-template-formtool-move-hook 0)
       ("formtool_moveall" "" smarty-template-formtool-moveall-hook 0)
       ("formtool_movedown" "" smarty-template-formtool-movedown-hook 0)
       ("formtool_moveup" "" smarty-template-formtool-moveup-hook 0)
       ("formtool_remove" "" smarty-template-formtool-remove-hook 0)
       ("formtool_rename" "" smarty-template-formtool-rename-hook 0)
       ("formtool_save" "" smarty-template-formtool-save-hook 0)
       ("formtool_selectall" "" smarty-template-formtool-selectall-hook 0)
       ("paginate_first" "" smarty-template-paginate-first-hook 0)
       ("paginate_last" "" smarty-template-paginate-last-hook 0)
       ("paginate_middle" "" smarty-template-paginate-middle-hook 0)
       ("paginate_next" "" smarty-template-paginate-next-hook 0)
       ("paginate_prev" "" smarty-template-paginate-prev-hook 0)
       ("btosmilies" "" smarty-template-btosmilies-hook 0)
       ("bbcodetohtml" "" smarty-template-bbcodetohtml-hook 0)
       ("date_formatto" "" smarty-template-date-formatto-hook 0)))))

;; initialize abbrev table for Smarty Mode
(smarty-mode-abbrev-table-init)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Abbrev hooks
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defun smarty-hooked-abbrev (func)
  "Do function, if syntax says abbrev is a keyword, invoked by hooked abbrev,
but not if inside a comment or quote)."
  (if (or (smarty-in-literal)
	  (smarty-in-comment-p))
      (progn
	(insert " ")
	(unexpand-abbrev)
	(delete-char -1))
    (if (not smarty-electric-mode)
	(progn
	  (insert " ")
	  (unexpand-abbrev)
	  (backward-word 1)
	  (delete-char 1))
      (let ((invoke-char last-command-char)
	    (abbrev-mode -1)
	    (smarty-template-invoked-by-hook t))
	(let ((caught (catch 'abort
			(funcall func))))
	  (when (stringp caught) (message caught)))
	(when (= invoke-char ?-) (setq abbrev-start-location (point)))
	;; delete CR which is still in event queue
	(if (fboundp 'enqueue-eval-event)
	    (enqueue-eval-event 'delete-char -1)
	  (setq unread-command-events	; push back a delete char
		(list (smarty-character-to-event ?\177))))))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Fontification
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defvar smarty-font-lock-keywords-1
  (list
   
   ;; Fontify built-in functions
   (cons
	(concat (regexp-quote smarty-left-delimiter) "[/]*" smarty-functions-regexp)
	'(1 font-lock-keyword-face))

   (cons
	(concat "\\<\\(" smarty-constants "\\)\\>")
	'font-lock-constant-face)

   (cons (concat "\\(" (regexp-quote (concat smarty-left-delimiter "*")) "\\(\\s-\\|\\w\\|\\s.\\|\\s_\\|\\s(\\|\\s)\\|\\s\\\\)*" (regexp-quote (concat "*" smarty-right-delimiter)) "\\)") 
	 'font-lock-comment-face)

   )
  "Subdued level highlighting for Smarty mode.") 

(defconst smarty-font-lock-keywords-2
  (append
   smarty-font-lock-keywords-1  
   (list

	;; Fontify variable names (\\sw\\|\\s_\\) matches any word character +
	;; underscore
	'("\\$\\(\\(?:\\sw\\|\\s_\\)+\\)" (1 font-lock-variable-name-face)) ; $variable
	'("->\\(\\(?:\\sw\\|\\s_\\)+\\)" (1 font-lock-variable-name-face t t)) ; ->variable
	'("\\.\\(\\(?:\\sw\\|\\s_\\)+\\)" (1 font-lock-variable-name-face t t)) ; .variable
	'("->\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*(" (1 font-lock-function-name-face t t)) ; ->function_call
	'("\\<\\(\\(?:\\sw\\|\\s_\\)+\\s-*\\)(" (1 font-lock-function-name-face)) ; word(
	'("\\<\\(\\(?:\\sw\\|\\s_\\)+\\s-*\\)[[]" (1 font-lock-variable-name-face)) ; word[
	'("\\<[0-9]+" . default)			; number (also matches word)

	;; Fontify strings
	;;'("\"\\([^\"]*\\)\"[^\"]+" (1 font-lock-string-face t t))
	))
  
   "Medium level highlighting for Smarty mode.")

(defconst smarty-font-lock-keywords-3
  (append
   smarty-font-lock-keywords-2
   (list
    ;; Fontify modifiers
    (cons (concat "|\\(" smarty-modifiers-regexp "\\)[:|]+") '(1 font-lock-function-name-face))
    (cons (concat "|\\(" smarty-modifiers-regexp "\\)" (regexp-quote smarty-right-delimiter)) '(1 font-lock-function-name-face))
    
    ;; Fontify config vars
    (cons (concat (regexp-quote smarty-left-delimiter) "\\(#\\(?:\\sw\\|\\s_\\)+#\\)") '(1 font-lock-constant-face))))
  "Balls-out highlighting for Smarty mode.")

(defconst smarty-font-lock-keywords-4
  (append
   smarty-font-lock-keywords-3
   (list
    ;; Fontify plugin functions
    (cons
     (concat (regexp-quote smarty-left-delimiter) "[/]*" smarty-plugins-functions-regexp)
     '(1 font-lock-keyword-face))

    (cons (concat "|\\(" smarty-plugins-modifiers-regexp "\\)[:|]+") '(1 font-lock-function-name-face))
    (cons (concat "|\\(" smarty-plugins-modifiers-regexp "\\)" (regexp-quote smarty-right-delimiter)) '(1 font-lock-function-name-face)))))

(defvar smarty-font-lock-keywords smarty-font-lock-keywords-3
  "Default highlighting level for Smarty mode")

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;;; Mode map
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(defvar smarty-template-map nil
  "Keymap for Smarty templates.")

(defun smarty-template-map-init ()
  "Initialize `smarty-template-map'."
  (setq smarty-template-map (make-sparse-keymap))
  ;; key bindings for Smarty templates
  (define-key smarty-template-map "\C-ba" 'smarty-template-capture)
  (define-key smarty-template-map "\C-bc" 'smarty-template-config-load)
  (define-key smarty-template-map "\C-b\M-e" 'smarty-template-else)
  (define-key smarty-template-map "\C-b\C-e" 'smarty-template-elseif)
  (define-key smarty-template-map "\C-b\C-f" 'smarty-template-foreach)
  (define-key smarty-template-map "\C-b\M-f" 'smarty-template-foreachelse)
  (define-key smarty-template-map "\C-bf" 'smarty-template-if)
  (define-key smarty-template-map "\C-b\C-i" 'smarty-template-include)
  (define-key smarty-template-map "\C-b\M-i" 'smarty-template-include-php)
  (define-key smarty-template-map "\C-bi" 'smarty-template-insert)
  (define-key smarty-template-…