;; Regular Expression Transformations
-(defun regexp-word(regexp)
- "Takes a regular expression as an argument, and adds the word boundary condition to the beginning and end of it."
-
- ;; I consider neither a hyphen nor an underscore to be a word
- ;; boundary for the purpose of syntax highlighting.
- (concat "[^_-]\\<\\(" regexp "\\)\\>[^_-]")
- )
-
-
(defun regexp-alt-raw(element-list)
"Takes a list of elements, and returns the string '\\(element1\\|element2...\\)'"
-;; Syntax Highlighting Patterns
-
-(defconst nagios-comments
- (eval-when-compile
- (regexp-alt-raw
- '("#+.*"
- ";+.*")))
- )
-
-
(defconst nagios-directives
(eval-when-compile
+ (concat "^[ \t\r\n]*"
+
(regexp-opt
'("active_checks_enabled" "address" "alias" "check_command"
"check_freshness" "check_interval" "check_period" "checks_enabled"
- "command_line" "command_name" "contact_groups" "contact_name"
- "contactgroup_name" "dependent_host_name"
- "dependent_service_description" "email" "event_handler"
- "event_handler_enabled" "execution_failure_criteria"
+ "command_line" "command_name" "contactgroups" "contact_groups"
+ "contactgroup_members" "contact_name" "contactgroup_name" "contacts"
+ "dependent_host_name" "dependent_service_description" "email"
+ "event_handler" "event_handler_enabled" "execution_failure_criteria"
"failure_prediction_enabled" "first_notification"
- "flap_detection_enabled" "freshness_threshold" "friday"
- "high_flap_threshold" "host_name" "host_notification_commands"
+ "first_notification_delay" "flap_detection_enabled" "freshness_threshold"
+ "friday" "high_flap_threshold" "host_name" "host_notification_commands"
"host_notification_options" "host_notification_period"
- "hostgroup_name" "hostgroups" "is_volatile" "last_notification"
- "low_flap_threshold" "max_check_attempts"
- "members" "monday" "normal_check_interval"
- "notification_failure_criteria"
+ "host_notifications_enabled" "hostgroup_name" "hostgroups"
+ "is_volatile" "last_notification" "low_flap_threshold"
+ "max_check_attempts" "members" "monday" "normal_check_interval"
+ "notes" "notification_failure_criteria"
"notification_interval" "notification_options"
"notification_period" "notifications_enabled"
"obsess_over_service" "pager" "parallelize_check"
"process_perf_data" "retain_nonstatus_information"
"retain_status_information" "retry_check_interval"
"retry_interval" "saturday" "service_description"
- "service_notification_commands"
- "service_notification_options"
- "service_notification_period" "stalking_options"
- "sunday" "thursday" "timeperiod_name" "tuesday" "wednesday") t))
+ "service_notification_commands" "service_notification_options"
+ "service_notification_period" "service_notifications_enabled"
+ "servicegroup_name" "stalking_options"
+ "sunday" "thursday" "timeperiod_name" "tuesday" "wednesday") t)
+
+ "[ \r\n\t]+")
+ )
)
-
+
(defconst nagios-macros
(defconst nagios-definitions
(eval-when-compile
+
+ (concat "^[ \t\r\n]*"
+
(regexp-alt-raw
'("define +\\(host\\|service\\|timeperiod\\|contact\\|command\\)"
- "define +\\(host\\|contact\\)group"
+ "define +\\(host\\|contact\\|service\\)group"
"define +\\(service\\|host\\)dependency"
- "define +\\(service\\|host\\|hostgroup\\)escalation")))
+ "define +\\(service\\|host\\|hostgroup\\)escalation"))
+
+ ;; These can be "terminated" by either an opening curly
+ ;; brace, or a space.
+ "\\({\\| \\)")
+ )
)
(defconst nagios-special
(eval-when-compile
+ (concat "^[ \t\r\n]*"
+
(regexp-opt
- '("name" "register" "use") t))
+ '("name" "register" "use") t)
+
+ "[ \r\n\t]+"))
)
(defvar nagios-font-lock-keywords
(list
+ (cons nagios-special font-lock-keyword-face)
+ (cons nagios-directives font-lock-variable-name-face)
+ (cons nagios-macros font-lock-constant-face)
+ (cons nagios-definitions '(1 font-lock-function-name-face)))
- ;; This first bit of ugliness allows us to override any
- ;; other font-locking with the comment font.
- (cons nagios-comments '(0 font-lock-comment-delimiter-face t))
-
- ;; The rest just map regular expressions to font faces.
- (cons (regexp-word nagios-directives) font-lock-variable-name-face)
- (cons (regexp-word nagios-macros) font-lock-constant-face)
- (cons (regexp-word nagios-definitions) font-lock-function-name-face)
- (cons (regexp-word nagios-special) font-lock-keyword-face))
-
"Rules for highlighting Nagios configuration files."
)
+(defvar nagios-mode-syntax-table nil
+ "Syntax table used in nagios-mode buffers.")
+(if nagios-mode-syntax-table
+ nil
+ (setq nagios-mode-syntax-table (make-syntax-table))
+ (modify-syntax-entry ?# "< b" nagios-mode-syntax-table) ;; Comment style 1
+ (modify-syntax-entry ?\; "< b" nagios-mode-syntax-table) ;; Comment style 2
+ (modify-syntax-entry ?\n "> b" nagios-mode-syntax-table) ;; End comment
+ )
+
+
;; Main Mode Function
(defun nagios-mode()
"Major mode for editing Nagios configuration files."
(interactive)
-
- ;; Initializing. This is actually important to cover
- ;; up some Emacs stupidity. Font locking won't occur
- ;; without it.
(kill-all-local-variables)
-
- ;; Set up indentation handling using the functions
- ;; defined earlier.
+ (make-local-variable 'font-lock-defaults)
+ (make-local-variable 'comment-start)
+ (make-local-variable 'comment-start-skip)
+ (make-local-variable 'comment-end)
(make-local-variable 'indent-line-function)
- (setq indent-line-function 'nagios-indent-line)
+ (make-local-variable 'syntax-begin-function)
+
+ (set-syntax-table nagios-mode-syntax-table)
- ;; Configure font locking. Set the defaults to something
- ;; sensible, defined earlier.
- (make-local-variable 'font-lock-defaults)
- (setq font-lock-defaults '(nagios-font-lock-keywords nil t))
+ (setq mode-name "nagios"
+ major-mode 'nagios-mode
+ indent-line-function 'nagios-indent-line
+ font-lock-defaults '(nagios-font-lock-keywords)
+ comment-start "#"
+ comment-start-skip "#\|; +"
+ comment-end ""
+
+ ;; Since comments and strings do not span multiple lines,
+ ;; the syntax parser can safely start parsing at the beginning
+ ;; of any line.
+ syntax-begin-function 'beginning-of-line
+ )
;; Keyboard Mapping
(use-local-map nagios-mode-map)
-
- ;; Rock and roll.
- (setq mode-name "nagios"
- major-mode 'nagios-mode)
;; I don't /think/ I need to define this before attempting
;; to run it. Users can define it if they want.
projects / nagios-mode.git / blobdiff