nagios-mode.el

   1 ;;
   2 ;; nagios-mode, an Emacs mode for Nagios <http://www.nagios.org/>
   3 ;; configuration files.
   4 ;;
   5 ;; Copyright Michael Orlitzky
   6 ;;
   7 ;; http://michael.orlitzky.com/
   8 ;;
   9 ;; This program is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13 ;;
  14 ;; This program is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17 ;; GNU General Public License for more details.
  18 ;;
  19 ;; http://www.fsf.org/licensing/licenses/gpl.html
  20 ;;
  21
  22 (require 'font-lock)
  23 (require 'regexp-opt)
  24
  25
  26 ;; Custom Variables
  27
  28 (defcustom nagios-indent-level 2
  29   "Number of spaces in one indentation (tab)."
  30   :type 'integer :group 'nagios
  31   )
  32
  33
  34
  35 ;; Indentation Voodoo
  36
  37 (defun nagios-indent-line(&optional flag)
  38   "Indents a line, taking nesting into account."
  39   (interactive)
  40   (nagios-indent-to (nagios-calculate-indent))
  41   )
  42
  43
  44 (defun beginning-of-line-pos()
  45   ;; Return the point position corresponding to the beginning
  46   ;; of the current line.
  47   (save-excursion
  48     (beginning-of-line)
  49     (point)
  50   )
  51 )
  52
  53 (defun end-of-line-pos()
  54   ;; Return the point position corresponding to the end
  55   ;; of the current line.
  56   (save-excursion
  57     (end-of-line)
  58     (point)
  59   )
  60 )
  61
  62 (defun point-offset()
  63   ;; How far are we from the beginning of the line?
  64   (- (point) (beginning-of-line-pos))
  65 )
  66
  67 (defun first-char-offset()
  68   ;; How far is the first character on this line
  69   ;; from the beginning of the line?
  70   (save-excursion
  71     (beginning-of-line)
  72     (skip-chars-forward " \t")
  73   )
  74 )
  75
  76 (defun first-char-pos()
  77   ;; What's the position of the first character on this line?
  78   (+ (beginning-of-line-pos) (first-char-offset))
  79 )
  80
  81 (defun nagios-indent-to(indent-column)
  82   "Indent the current line to column indent-column."
  83   ;; Store the point in orig-pos.
  84   (let ((orig-point (point)))
  85
  86     ;; And store the offset of the first character (with respect to the
  87     ;; beginning of the line) in orig-first-char-offset.
  88     (let ((orig-first-char-offset (first-char-offset)))
  89
  90       ;; Delete any leading whitespace, and move the point to the
  91       ;; beginning of the line.
  92       (delete-region (beginning-of-line-pos) (first-char-pos))
  93       (beginning-of-line)
  94
  95       ;; Now insert indent-column spaces.
  96       (let ((indent-remaining indent-column))
  97         (while (< 0 indent-remaining)
  98           (insert " ")
  99           (setq indent-remaining (- indent-remaining 1)))
 100       )
 101
 102       ;; The text on the current line just moved left/right some amount;
 103       ;; call it text-delta. We want to move the point that same distance.
 104       (let ((text-delta (- (first-char-offset) orig-first-char-offset)))
 105         (goto-char (+ orig-point text-delta))
 106       )
 107
 108       ;; The point should never wind up to the left of indent-column, so
 109       ;; if it's there, move it over to indent-column.
 110       (if (< (point-offset) indent-column)
 111           (goto-char (+ (beginning-of-line-pos) indent-column))
 112       )
 113     )
 114   )
 115 )
 116
 117
 118
 119 (defun last-opening-brace()
 120   ;; Get the position of the last opening brace, with
 121   ;; respect to the current point.
 122   (save-excursion
 123     (let ((lob (re-search-backward "{" nil t)))
 124       (if lob
 125           lob
 126           -1)
 127     )
 128   )
 129 )
 130
 131 (defun last-closing-brace()
 132   ;; Get the position of the last closing brace, with
 133   ;; respect to the current point.
 134   (save-excursion
 135     (let ((lcb (re-search-backward "}" nil t)))
 136       (if lcb
 137           lcb
 138           -1)
 139     )
 140   )
 141 )
 142
 143 (defun nagios-in-block()
 144   "Determine if the point is inside of a {} block."
 145
 146   ;; If the last brace seen in the buffer is an opening brace, we're
 147   ;; in a block. Otherwise, we aren't.
 148   (if (>= (last-closing-brace) (last-opening-brace))
 149       nil
 150       t)
 151 )
 152
 153
 154 (defun brace-on-line()
 155   ;; Is there a curly brace on this line?
 156   (save-excursion
 157     (re-search-forward "[{}]" (end-of-line-pos) t)
 158   )
 159 )
 160
 161 (defun nagios-calculate-indent()
 162   "Calculate the level of indentation."
 163
 164   ;; We're either inside a block, or we aren't.
 165   ;; Initialize the indent variable to either nagios-indent-level
 166   ;; or 0 depending on whether or not we're in a block.
 167   (let ((indent (if (nagios-in-block)
 168                     nagios-indent-level
 169                     0)
 170         )
 171        )
 172
 173     ;; Set the indentation level to 0 if we find either brace on this
 174     ;; line.
 175     (if (brace-on-line)
 176         (setq indent 0)
 177     )
 178
 179     indent
 180   )
 181 )
 182
 183
 184 ;; Keymaps
 185
 186 (defun nagios-insert-right-brace-and-indent()
 187   "Insert a '}' character, and indent the line."
 188   (interactive)
 189   (insert "}")
 190   (nagios-indent-line)
 191   )
 192
 193
 194 (defvar nagios-mode-map()
 195   "Keymap used in nagios mode.")
 196
 197 (when (not nagios-mode-map)
 198   (setq nagios-mode-map (make-sparse-keymap))
 199   (define-key nagios-mode-map
 200     (read-kbd-macro "}")
 201     'nagios-insert-right-brace-and-indent)
 202   )
 203
 204
 205
 206 (defconst nagios-directives
 207   (eval-when-compile
 208     (concat "^[ \t\r\n]*"
 209
 210     (regexp-opt
 211      '("active_checks_enabled" "address" "alias" "check_command"
 212        "check_freshness" "check_interval" "check_period" "checks_enabled"
 213        "command_line" "command_name" "contactgroups" "contact_groups"
 214        "contactgroup_members" "contact_name" "contactgroup_name" "contacts"
 215        "dependent_host_name" "dependent_service_description" "email"
 216        "event_handler" "event_handler_enabled" "execution_failure_criteria"
 217        "failure_prediction_enabled" "first_notification"
 218        "first_notification_delay" "flap_detection_enabled" "freshness_threshold"
 219        "friday" "high_flap_threshold" "host_name" "host_notification_commands"
 220        "host_notification_options" "host_notification_period"
 221        "host_notifications_enabled" "hostgroup_name" "hostgroups"
 222        "is_volatile" "last_notification" "low_flap_threshold"
 223        "max_check_attempts" "members" "monday" "normal_check_interval"
 224        "notes" "notification_failure_criteria"
 225        "notification_interval" "notification_options"
 226        "notification_period" "notifications_enabled"
 227        "obsess_over_service" "pager" "parallelize_check"
 228        "parents" "passive_checks_enabled"
 229        "process_perf_data" "retain_nonstatus_information"
 230        "retain_status_information" "retry_check_interval"
 231        "retry_interval" "saturday" "service_description"
 232        "service_notification_commands" "service_notification_options"
 233        "service_notification_period" "service_notifications_enabled"
 234        "servicegroup_name" "stalking_options"
 235        "sunday" "thursday" "timeperiod_name" "tuesday" "wednesday") t)
 236
 237     "[ \r\n\t]+")
 238     )
 239   )
 240
 241
 242
 243 (defconst nagios-macros
 244   (eval-when-compile
 245     (regexp-opt
 246      '("$ADMINEMAIL$"
 247        "$ADMINPAGER$"
 248        "$ARG1$"
 249        "$ARG10$"
 250        "$ARG11$"
 251        "$ARG12$"
 252        "$ARG13$"
 253        "$ARG14$"
 254        "$ARG15$"
 255        "$ARG16$"
 256        "$ARG17$"
 257        "$ARG18$"
 258        "$ARG19$"
 259        "$ARG2$"
 260        "$ARG20$"
 261        "$ARG21$"
 262        "$ARG22$"
 263        "$ARG23$"
 264        "$ARG24$"
 265        "$ARG25$"
 266        "$ARG26$"
 267        "$ARG27$"
 268        "$ARG28$"
 269        "$ARG29$"
 270        "$ARG3$"
 271        "$ARG30$"
 272        "$ARG31$"
 273        "$ARG32$"
 274        "$ARG4$"
 275        "$ARG5$"
 276        "$ARG6$"
 277        "$ARG7$"
 278        "$ARG8$"
 279        "$ARG9$"
 280        "$COMMANDFILE$"
 281        "$CONTACTALIAS$"
 282        "$CONTACTEMAIL$"
 283        "$CONTACTGROUPALIAS$"
 284        "$CONTACTGROUPMEMBERS$"
 285        "$CONTACTGROUPNAME$"
 286        "$CONTACTGROUPNAMES$"
 287        "$CONTACTNAME$"
 288        "$CONTACTPAGER$"
 289        "$DATE$"
 290        "$EVENTSTARTTIME$"
 291        "$HOSTACKAUTHOR$"
 292        "$HOSTACKAUTHORALIAS$"
 293        "$HOSTACKAUTHORNAME$"
 294        "$HOSTACKCOMMENT$"
 295        "$HOSTACTIONURL$"
 296        "$HOSTADDRESS$"
 297        "$HOSTALIAS$"
 298        "$HOSTATTEMPT$"
 299        "$HOSTCHECKCOMMAND$"
 300        "$HOSTCHECKTYPE$"
 301        "$HOSTDISPLAYNAME$"
 302        "$HOSTDOWNTIME$"
 303        "$HOSTDURATION$"
 304        "$HOSTDURATIONSEC$"
 305        "$HOSTEVENTID$"
 306        "$HOSTEXECUTIONTIME$"
 307        "$HOSTGROUPACTIONURL$"
 308        "$HOSTGROUPALIAS$"
 309        "$HOSTGROUPMEMBERS$"
 310        "$HOSTGROUPNAME$"
 311        "$HOSTGROUPNAMES$"
 312        "$HOSTGROUPNOTES$"
 313        "$HOSTGROUPNOTESURL$"
 314        "$HOSTLATENCY$"
 315        "$HOSTNAME$"
 316        "$HOSTNOTES$"
 317        "$HOSTNOTESURL$"
 318        "$HOSTNOTIFICATIONID$"
 319        "$HOSTNOTIFICATIONNUMBER$"
 320        "$HOSTOUTPUT$"
 321        "$HOSTPERCENTCHANGE$"
 322        "$HOSTPERFDATA$"
 323        "$HOSTPERFDATAFILE$"
 324        "$HOSTPROBLEMID$"
 325        "$HOSTSTATE$"
 326        "$HOSTSTATEID$"
 327        "$HOSTSTATETYPE$"
 328        "$ISVALIDTIME$"
 329        "$LASTHOSTCHECK$"
 330        "$LASTHOSTDOWN$"
 331        "$LASTHOSTEVENTID$"
 332        "$LASTHOSTPROBLEMID$"
 333        "$LASTHOSTSTATE$"
 334        "$LASTHOSTSTATECHANGE$"
 335        "$LASTHOSTSTATEID$"
 336        "$LASTHOSTUNREACHABLE$"
 337        "$LASTHOSTUP$"
 338        "$LASTSERVICECHECK$"
 339        "$LASTSERVICECRITICAL$"
 340        "$LASTSERVICEEVENTID$"
 341        "$LASTSERVICEOK$"
 342        "$LASTSERVICEPROBLEMID$"
 343        "$LASTSERVICESTATE$"
 344        "$LASTSERVICESTATECHANGE$"
 345        "$LASTSERVICESTATEID$"
 346        "$LASTSERVICEUNKNOWN$"
 347        "$LASTSERVICEWARNING$"
 348        "$LOGFILE$"
 349        "$LONGDATETIME$"
 350        "$LONGHOSTOUTPUT$"
 351        "$LONGSERVICEOUTPUT$"
 352        "$MAINCONFIGFILE$"
 353        "$MAXHOSTATTEMPTS$"
 354        "$MAXSERVICEATTEMPTS$"
 355        "$NEXTVALIDTIME$"
 356        "$NOTIFICATIONAUTHOR$"
 357        "$NOTIFICATIONAUTHORALIAS$"
 358        "$NOTIFICATIONAUTHORNAME$"
 359        "$NOTIFICATIONCOMMENT$"
 360        "$NOTIFICATIONISESCALATED$"
 361        "$NOTIFICATIONNUMBER$"
 362        "$NOTIFICATIONRECIPIENTS$"
 363        "$NOTIFICATIONTYPE$"
 364        "$OBJECTCACHEFILE$"
 365        "$PROCESSSTARTTIME$"
 366        "$RESOURCEFILE$"
 367        "$RETENTIONDATAFILE$"
 368        "$SERVICEACKAUTHOR$"
 369        "$SERVICEACKAUTHORALIAS$"
 370        "$SERVICEACKAUTHORNAME$"
 371        "$SERVICEACKCOMMENT$"
 372        "$SERVICEACTIONURL$"
 373        "$SERVICEATTEMPT$"
 374        "$SERVICECHECKCOMMAND$"
 375        "$SERVICECHECKTYPE$"
 376        "$SERVICEDESC$"
 377        "$SERVICEDISPLAYNAME$"
 378        "$SERVICEDOWNTIME$"
 379        "$SERVICEDURATION$"
 380        "$SERVICEDURATIONSEC$"
 381        "$SERVICEEVENTID$"
 382        "$SERVICEEXECUTIONTIME$"
 383        "$SERVICEGROUPACTIONURL$"
 384        "$SERVICEGROUPALIAS$"
 385        "$SERVICEGROUPMEMBERS$"
 386        "$SERVICEGROUPNAME$"
 387        "$SERVICEGROUPNAMES$"
 388        "$SERVICEGROUPNOTES$"
 389        "$SERVICEGROUPNOTESURL$"
 390        "$SERVICEISVOLATILE$"
 391        "$SERVICELATENCY$"
 392        "$SERVICENOTES$"
 393        "$SERVICENOTESURL$"
 394        "$SERVICENOTIFICATIONID$"
 395        "$SERVICENOTIFICATIONNUMBER$"
 396        "$SERVICEOUTPUT$"
 397        "$SERVICEPERCENTCHANGE$"
 398        "$SERVICEPERFDATA$"
 399        "$SERVICEPERFDATAFILE$"
 400        "$SERVICEPROBLEMID$"
 401        "$SERVICESTATE$"
 402        "$SERVICESTATEID$"
 403        "$SERVICESTATETYPE$"
 404        "$SHORTDATETIME$"
 405        "$STATUSDATAFILE$"
 406        "$TEMPFILE$"
 407        "$TEMPPATH$"
 408        "$TIME$"
 409        "$TIMET$"
 410        "$TOTALHOSTPROBLEMS$"
 411        "$TOTALHOSTPROBLEMSUNHANDLED$"
 412        "$TOTALHOSTSDOWN$"
 413        "$TOTALHOSTSDOWNUNHANDLED$"
 414        "$TOTALHOSTSERVICES$"
 415        "$TOTALHOSTSERVICESCRITICAL$"
 416        "$TOTALHOSTSERVICESOK$"
 417        "$TOTALHOSTSERVICESUNKNOWN$"
 418        "$TOTALHOSTSERVICESWARNING$"
 419        "$TOTALHOSTSUNREACHABLE$"
 420        "$TOTALHOSTSUNREACHABLEUNHANDLED$"
 421        "$TOTALHOSTSUP$"
 422        "$TOTALSERVICEPROBLEMS$"
 423        "$TOTALSERVICEPROBLEMSUNHANDLED$"
 424        "$TOTALSERVICESCRITICAL$"
 425        "$TOTALSERVICESCRITICALUNHANDLED$"
 426        "$TOTALSERVICESOK$"
 427        "$TOTALSERVICESUNKNOWN$"
 428        "$TOTALSERVICESUNKNOWNUNHANDLED$"
 429        "$TOTALSERVICESWARNING$"
 430        "$TOTALSERVICESWARNINGUNHANDLED$"
 431        "$USER1$"
 432        "$USER10$"
 433        "$USER100$"
 434        "$USER101$"
 435        "$USER102$"
 436        "$USER103$"
 437        "$USER104$"
 438        "$USER105$"
 439        "$USER106$"
 440        "$USER107$"
 441        "$USER108$"
 442        "$USER109$"
 443        "$USER11$"
 444        "$USER110$"
 445        "$USER111$"
 446        "$USER112$"
 447        "$USER113$"
 448        "$USER114$"
 449        "$USER115$"
 450        "$USER116$"
 451        "$USER117$"
 452        "$USER118$"
 453        "$USER119$"
 454        "$USER12$"
 455        "$USER120$"
 456        "$USER121$"
 457        "$USER122$"
 458        "$USER123$"
 459        "$USER124$"
 460        "$USER125$"
 461        "$USER126$"
 462        "$USER127$"
 463        "$USER128$"
 464        "$USER129$"
 465        "$USER13$"
 466        "$USER130$"
 467        "$USER131$"
 468        "$USER132$"
 469        "$USER133$"
 470        "$USER134$"
 471        "$USER135$"
 472        "$USER136$"
 473        "$USER137$"
 474        "$USER138$"
 475        "$USER139$"
 476        "$USER14$"
 477        "$USER140$"
 478        "$USER141$"
 479        "$USER142$"
 480        "$USER143$"
 481        "$USER144$"
 482        "$USER145$"
 483        "$USER146$"
 484        "$USER147$"
 485        "$USER148$"
 486        "$USER149$"
 487        "$USER15$"
 488        "$USER150$"
 489        "$USER151$"
 490        "$USER152$"
 491        "$USER153$"
 492        "$USER154$"
 493        "$USER155$"
 494        "$USER156$"
 495        "$USER157$"
 496        "$USER158$"
 497        "$USER159$"
 498        "$USER16$"
 499        "$USER160$"
 500        "$USER161$"
 501        "$USER162$"
 502        "$USER163$"
 503        "$USER164$"
 504        "$USER165$"
 505        "$USER166$"
 506        "$USER167$"
 507        "$USER168$"
 508        "$USER169$"
 509        "$USER17$"
 510        "$USER170$"
 511        "$USER171$"
 512        "$USER172$"
 513        "$USER173$"
 514        "$USER174$"
 515        "$USER175$"
 516        "$USER176$"
 517        "$USER177$"
 518        "$USER178$"
 519        "$USER179$"
 520        "$USER18$"
 521        "$USER180$"
 522        "$USER181$"
 523        "$USER182$"
 524        "$USER183$"
 525        "$USER184$"
 526        "$USER185$"
 527        "$USER186$"
 528        "$USER187$"
 529        "$USER188$"
 530        "$USER189$"
 531        "$USER19$"
 532        "$USER190$"
 533        "$USER191$"
 534        "$USER192$"
 535        "$USER193$"
 536        "$USER194$"
 537        "$USER195$"
 538        "$USER196$"
 539        "$USER197$"
 540        "$USER198$"
 541        "$USER199$"
 542        "$USER2$"
 543        "$USER20$"
 544        "$USER200$"
 545        "$USER201$"
 546        "$USER202$"
 547        "$USER203$"
 548        "$USER204$"
 549        "$USER205$"
 550        "$USER206$"
 551        "$USER207$"
 552        "$USER208$"
 553        "$USER209$"
 554        "$USER21$"
 555        "$USER210$"
 556        "$USER211$"
 557        "$USER212$"
 558        "$USER213$"
 559        "$USER214$"
 560        "$USER215$"
 561        "$USER216$"
 562        "$USER217$"
 563        "$USER218$"
 564        "$USER219$"
 565        "$USER22$"
 566        "$USER220$"
 567        "$USER221$"
 568        "$USER222$"
 569        "$USER223$"
 570        "$USER224$"
 571        "$USER225$"
 572        "$USER226$"
 573        "$USER227$"
 574        "$USER228$"
 575        "$USER229$"
 576        "$USER23$"
 577        "$USER230$"
 578        "$USER231$"
 579        "$USER232$"
 580        "$USER233$"
 581        "$USER234$"
 582        "$USER235$"
 583        "$USER236$"
 584        "$USER237$"
 585        "$USER238$"
 586        "$USER239$"
 587        "$USER24$"
 588        "$USER240$"
 589        "$USER241$"
 590        "$USER242$"
 591        "$USER243$"
 592        "$USER244$"
 593        "$USER245$"
 594        "$USER246$"
 595        "$USER247$"
 596        "$USER248$"
 597        "$USER249$"
 598        "$USER25$"
 599        "$USER250$"
 600        "$USER251$"
 601        "$USER252$"
 602        "$USER253$"
 603        "$USER254$"
 604        "$USER255$"
 605        "$USER256$"
 606        "$USER26$"
 607        "$USER27$"
 608        "$USER28$"
 609        "$USER29$"
 610        "$USER3$"
 611        "$USER30$"
 612        "$USER31$"
 613        "$USER32$"
 614        "$USER33$"
 615        "$USER34$"
 616        "$USER35$"
 617        "$USER36$"
 618        "$USER37$"
 619        "$USER38$"
 620        "$USER39$"
 621        "$USER4$"
 622        "$USER40$"
 623        "$USER41$"
 624        "$USER42$"
 625        "$USER43$"
 626        "$USER44$"
 627        "$USER45$"
 628        "$USER46$"
 629        "$USER47$"
 630        "$USER48$"
 631        "$USER49$"
 632        "$USER5$"
 633        "$USER50$"
 634        "$USER51$"
 635        "$USER52$"
 636        "$USER53$"
 637        "$USER54$"
 638        "$USER55$"
 639        "$USER56$"
 640        "$USER57$"
 641        "$USER58$"
 642        "$USER59$"
 643        "$USER6$"
 644        "$USER60$"
 645        "$USER61$"
 646        "$USER62$"
 647        "$USER63$"
 648        "$USER64$"
 649        "$USER65$"
 650        "$USER66$"
 651        "$USER67$"
 652        "$USER68$"
 653        "$USER69$"
 654        "$USER7$"
 655        "$USER70$"
 656        "$USER71$"
 657        "$USER72$"
 658        "$USER73$"
 659        "$USER74$"
 660        "$USER75$"
 661        "$USER76$"
 662        "$USER77$"
 663        "$USER78$"
 664        "$USER79$"
 665        "$USER8$"
 666        "$USER80$"
 667        "$USER81$"
 668        "$USER82$"
 669        "$USER83$"
 670        "$USER84$"
 671        "$USER85$"
 672        "$USER86$"
 673        "$USER87$"
 674        "$USER88$"
 675        "$USER89$"
 676        "$USER9$"
 677        "$USER90$"
 678        "$USER91$"
 679        "$USER92$"
 680        "$USER93$"
 681        "$USER94$"
 682        "$USER95$"
 683        "$USER96$"
 684        "$USER97$"
 685        "$USER98$"
 686        "$USER99$")))
 687   )
 688
 689
 690
 691 (defconst nagios-definitions
 692   (eval-when-compile
 693
 694     (concat "^[ \t\r\n]*"
 695
 696             "\\(" ;; Stick parenthesis around whatever comes out
 697                   ;; of regexp-opt. We use this to match a
 698                   ;; subexpression during font-lock.
 699             (regexp-opt
 700              '("define command"
 701                "define contact"
 702                "define contactgroup"
 703                "define host"
 704                "define hostdependency"
 705                "define hostescalation"
 706                "define hostextinfo"
 707                "define hostgroup"
 708                "define hostgroupescalation"
 709                "define null"
 710                "define service"
 711                "define servicedependency"
 712                "define serviceescalation"
 713                "define serviceextinfo"
 714                "define servicegroup"
 715                "define timeperiod"))
 716                   ;; This closes the parentheses that we opened
 717             "\\)" ;; before regexp-opt.
 718
 719             ;; These can be "terminated" by either an opening curly
 720             ;; brace, or a space.
 721             "\\({\\| \\)")
 722     )
 723   )
 724
 725
 726
 727 (defconst nagios-special
 728   (eval-when-compile
 729     (concat "^[ \t\r\n]*"
 730
 731     (regexp-opt
 732      '("name" "register" "use") t)
 733
 734     "[ \r\n\t]+"))
 735   )
 736
 737
 738
 739 ;; The One True Font Locking Variable
 740
 741 (defvar nagios-font-lock-keywords
 742   (list
 743    (cons nagios-special font-lock-keyword-face)
 744    (cons nagios-directives font-lock-variable-name-face)
 745    (cons nagios-macros font-lock-constant-face)
 746    (cons nagios-definitions '(1 font-lock-function-name-face)))
 747
 748   "Rules for highlighting Nagios configuration files."
 749   )
 750
 751
 752
 753 (defvar nagios-mode-syntax-table nil
 754   "Syntax table used in nagios-mode buffers.")
 755 (if nagios-mode-syntax-table
 756     nil
 757   (setq nagios-mode-syntax-table (make-syntax-table))
 758   (modify-syntax-entry ?# "< b" nagios-mode-syntax-table)  ;; Comment style 1
 759   (modify-syntax-entry ?\; "< b" nagios-mode-syntax-table) ;; Comment style 2
 760   (modify-syntax-entry ?\n "> b" nagios-mode-syntax-table) ;; End comment
 761   )
 762
 763
 764 ;; Main Mode Function
 765
 766 (defun nagios-mode()
 767   "Major mode for editing Nagios configuration files."
 768
 769   (interactive)
 770   (kill-all-local-variables)
 771   (make-local-variable 'font-lock-defaults)
 772   (make-local-variable 'comment-start)
 773   (make-local-variable 'comment-start-skip)
 774   (make-local-variable 'comment-end)
 775   (make-local-variable 'indent-line-function)
 776   (make-local-variable 'syntax-begin-function)
 777
 778   (set-syntax-table nagios-mode-syntax-table)
 779
 780   (setq mode-name             "nagios"
 781         major-mode            'nagios-mode
 782         indent-line-function  'nagios-indent-line
 783         font-lock-defaults    '(nagios-font-lock-keywords)
 784         comment-start         "#"
 785         comment-start-skip    "#\|; +"
 786         comment-end           ""
 787
 788         ;; Since comments and strings do not span multiple lines,
 789         ;; the syntax parser can safely start parsing at the beginning
 790         ;; of any line.
 791         syntax-begin-function 'beginning-of-line
 792         )
 793
 794   ;; Keyboard Mapping
 795   (use-local-map nagios-mode-map)
 796
 797   ;; I don't /think/ I need to define this before attempting
 798   ;; to run it. Users can define it if they want.
 799   (run-hooks 'nagios-mode-hook)
 800   )
 801
 802
 803 (provide 'nagios-mode)