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I
	identifier LVM Xorg
	ignore, Xymon_Alerting
	include AptConf Automounter Keepalived Nrpe Systemd Xymon_Alerting
	include_dir, Nrpe
	includedir, Sudoers
	includes, Xinetd
	indent AptConf Dovecot Keepalived Netmasks Yaml
	indented_entry, IniFile
	indented_title, IniFile
	indented_title_label, IniFile
	inherit, Yaml
	input_device, Xorg
	install_remove, Modprobe
	integer, Erlang
	ip_port, Keepalived
	ip6_dotint, Resolv
	ipaddr Keepalived Resolv
	ipaddr_or_hostname, Pg_Hba
	ipdev, Keepalived
	ipv4, Networks
	istepslew, Chrony
	item, Nrpe
	item_re, Nrpe
J
	job_identifier, Anacron
K
	kernel Erlang Grub
	kernel_args, Grub
	kernel_parameters, Erlang
	key_comment, Authorized_Keys
	key_opt_rtable_line, Ntpd
	key_opt_value_line, BootConf
	key_opt_weight_rtable_line, Ntpd
	key_options, Authorized_Keys
	key_type, Authorized_Keys
	key_value Build Test_Build
	key_value_line Build Test_Build
	key_value_line_comment Build Test_Build
	key_value_line_regexp, Nslcd
	key_value_line_regexp_opt_map, Nslcd
	key_ws_value Build Test_Build
	keyword, Ntpd
	knode, Test_Xml
	kv Approx Chrony CPanel
	kw_arg, Grub
	kw_boot_arg, Grub
	kw_menu_arg, Grub
	kw_pres, Grub
	kw_word, Xymon_Alerting
	kw_word_filters_opt, Xymon_Alerting

let identifier = /[a-zA-Z0-9_-]+/

The left hand side of a definition

let identifier = entry_str "Identifier" /[iI]dentifier/

let ignore = flag_filters_opt "IGNORE"

The ignore recipient definition

let include = [ indent . key "#include" . Sep.space . store Rx.fspath . eol ]

A file inclusion /!\ The manpage is not clear on the syntax

let include = [ seq "entry" . store "+" . Util.del_opt_ws "" . [ label "map" . store map_name ] . Util.eol ]

An include line starting with a “+” and a map name

let include = Build.key_value_line "include" Sep.space (store Rx.fspath)

let include = [ key "include" . [ label "file" . eq . store word . eol ] ]

An include entry.

let include = [ key ".include" . Util.del_ws_spc . sto_value . (eol_comment|eol) ]

Includes another file at this position

let include = [ key "include" . ws . store_word . eol ]

let include_dir = [ key "include_dir" . [ label "dir" . eq . store word . eol ] ]

include_dir=/path/to/dir/

let includedir = [ key /#include(dir)?/ . Sep.space . store Rx.fspath . eol ]

let includes = Build.key_value_line /include(dir)?/ Sep.space (store Rx.no_spaces)

It would be nice if we could use the directories given in include and includedir directives to parse additional files instead of hardcoding all the places where xinetd config files can be found; but that is currently not possible, and implementing that has a good amount of hairy corner cases to consider.

let indent = Util.indent

An indentation

let indent = Util.indent

let indent = del /[ \t]+/ " "

the imposed indent is 2 spaces

let indented_entry (kw:regexp) (sep:lens) (comment:lens) = entry_generic (Util.indent . key kw) sep comment_re comment

Generic INI File entry that might be indented with an arbitrary amount of whitespace

let indented_title (kw:regexp) = Util.indent . title kw

Title for record.

let indented_title_label (name:string) (kw:regexp) = Util.indent . title_label name kw

Title for record.

let input_device = [ indent . del /[iI]nput[dD]evice/ "InputDevice" . label "InputDevice" . sep_spc . quoted_non_empty_string_val . [ label "option" . sep_spc . quoted_non_empty_string_val ]* . eol ]

let integer = store Rx.integer

Store a Rx.integer

let ip_port = [ label "ip" . sto_word ] . sep_spc . [ label "port" . sto_num ]

An IP space port pair

let ip6_dotint = let negate = [ del "no-" "no-" . label "negate" ] in [ negate? . key "ip6-dotint" ]

ip6-dotint option, which supports negation

let ipaddr = label "ipaddr" . store /[0-9.-]+/ . prefixlen?

An IP address or range with an optional mask

let ipaddr = [label "ipaddr" . store Rx.ip . netmask?]

An IP address or range with an optional mask

let ipaddr_or_hostname = ipaddr | hostname

let ipdev = [ key "dev" . sep_spc . sto_word ]

A device for IP addresses

let ipv4 = let dot = "." in let digits = /(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/ in digits . (dot . digits . (dot . digits . (dot . digits)?)?)?

A network IP, trailing .0 may be omitted

let istepslew = [ Util.indent . key "initstepslew" . space . [ label "threshold" . store number ] . ( space . store_address )+ . eol ]

initstepslew has specific syntax

let item = [ key item_re . eq . store word . eol ]

regular entries

let item_re = /[^#=\n\t\/ ]+/ - (/command\[[^]\/\n]+\]/ | "include" | "include_dir")

let job_identifier = [ label "job-identifier" . store Rx.word ]

The job_identifier for an entry

let kernel = application "kernel" kernel_parameters

Core Erlang kernel app configuration

let kernel = [ command /kernel\$?/ "\t" . (spc . ([switch "type" . eq . store /[a-z]+/] |[switch "no-mem-option"]))* . spc . kernel_args ]

let kernel_args = let arg = /[A-Za-z0-9_.$-]+/ - /type|no-mem-option/ in store /($[a-z0-9,]+$)?\/[^ \t\n]*/ . (spc . multiboot_arg)? . (spc . [ key arg . (eq. store /([^ \t\n])*/)?])* . eol

Parse the file name and args on a kernel or module line.

let kernel_parameters = value "browser_cmd" path | value "dist_auto_connect" (store /never|once/) | value "error_logger" (store /tty|false|silent/) | value "net_setuptime" integer | value "net_ticktime" integer | value "shutdown_timeout" integer | value "sync_nodes_timeout" integer | value "start_dist_ac" boolean | value "start_boot_server" boolean | value "start_disk_log" boolean | value "start_pg2" boolean | value "start_timer" boolean

Config parameters accepted for kernel app

let key_comment = [ label "comment" . store Rx.space_in ]

let key_opt_rtable_line (kw:regexp) (sto:lens) = let rtable = [ Util.del_str "rtable" . space . label "rtable" . store rtable_re ] in [ key kw . space . sto . (space . rtable)? . eol ]

A subnode with a keyword, an optional routing table id and an end of line.

let key_opt_value_line (kw:regexp) (sto:lens) = [ key kw . (space . sto)? . eol ]

A subnode with a keyword, an optional part consisting of a separator and a storing lens, and an end of line

let key_opt_weight_rtable_line (kw:regexp) (sto:lens) = let rtable = [ Util.del_str "rtable" . space . label "rtable" . store rtable_re ] in let weight = [ Util.del_str "weight" . space . label "weight" . store weight_re ] in [ key kw . space . sto . (space . weight)? . (space . rtable)? . eol ]

A subnode with a keyword, an optional routing table id, an optional weight-value and an end of line.

let key_options = [ label "options" . Build.opt_list option Sep.comma ]

A list of key options

let key_type = let key_type_re = /ecdsa-sha2-nistp[0-9]+/ | /ssh-[a-z0-9]+/ in [ label "type" . store key_type_re ]

let key_value (kw: regexp) (sep:lens) (sto:lens) = [ key kw . sep . sto ]

Same as key_value_line, but does not end with an end of line

let key_value = Build.key_value Rx.word Sep.equal (store Rx.word)

let key_value_line (kw:regexp) (sep:lens) (sto:lens) = [ key kw . sep . sto . eol ]

A subnode with a keyword, a separator and a storing lens, and an end of line

let key_value_line = Build.key_value_line Rx.word Sep.equal (store Rx.word)

let key_value_line_comment (kw:regexp) (sep:lens) (sto:lens) (comment:lens) = [ key kw . sep . sto . (eol|comment) ]

Same as key_value_line, but allows to have a comment in the end of a line and an end of line

let key_value_line_comment = Build.key_value_line_comment Rx.word Sep.equal (store Rx.word) Util.comment

let key_value_line_regexp (kw:string) (sto:regexp) = Build.key_value_line kw spc (store sto)

A simple configuration option but specifying the regex for the value.

let key_value_line_regexp_opt_map (kw:string) (sto:regexp) = ( key_value_line_regexp kw sto | mapped_entry kw sto )

A mapped configuration but the MAP value is optional as in scope [MAP] value`.

let key_ws_value (kw:regexp) = key_value_line kw Util.del_ws_spc (store Rx.space_in)

Store a key/value pair where key and value are separated by whitespace and the value goes to the end of the line.

let key_ws_value = Build.key_ws_value Rx.word

let keyword = listen | server | servers | sensor

let knode (r:regexp) = [ key r ]

A simple flag function

let kv = [ indent . key key_re . del sep " " . store value_re . eol ]

let kv = [ Util.indent . key simple_keys . space . (store no_space) . eol ]

options with only one arg can be directly mapped to key = value

let kv = [ key /[A-Za-z0-9:_.-]+/ . (Sep.equal . store (Rx.space_in?))? . Util.eol ]

A key-value pair, supporting flags and empty values

let kw_arg (kw:regexp) (indent:string) (dflt_sep:string) = [ command kw indent . value_sep dflt_sep . value_to_eol . eol ]

let kw_boot_arg (kw:regexp) = kw_arg kw "\t" " "

let kw_menu_arg (kw:regexp) = kw_arg kw "" " "

let kw_pres (kw:string) = [ opt_ws . key kw . eol ]

let kw_word (kw:regexp) = Build.key_value kw equal store_word

A key=value value

let kw_word_filters_opt (kw:string) = [ key kw . equal . store_word . filters_opt ]

A kw_word entry with optional filters