254 lines
9.8 KiB
Text
254 lines
9.8 KiB
Text
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let
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-- DSL for building INI files
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ToIniFns =
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λ ( Ini
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: { -- A Section in the ini
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Section : Type
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, -- A couple of sections
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SectionList : Type
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}
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) →
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{ -- Create a new section
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newSection : Ini.Section
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, -- Add a key/value pair to the section
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add : Text → Text → Ini.Section → Ini.Section
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, -- Add all these key/value pairs to the section
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addAll :
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List { name : Text, value : Text } → Ini.Section → Ini.Section
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, -- Create a new SectionList
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newSectionList : Ini.SectionList
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, -- Add a section to the list of sections
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addSection : Text → Ini.Section → Ini.SectionList → Ini.SectionList
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}
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in λ ( imports
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: { -- concatenate a list with newlines
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concatNewline : List Text → Text
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, -- Take an aerc filter from the aerc distribution /share directory
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aercFilter : Text → Text
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, -- given a dsl of functions to create an Ini, render the ini file
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toIni :
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( ∀(Ini : { Section : Type, SectionList : Type }) →
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ToIniFns Ini →
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{ globalSection : Ini.Section, sections : Ini.SectionList }
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) →
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Text
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}
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) →
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let List/foldLeft
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: ∀(a : Type) →
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List a →
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∀(list : Type) →
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∀(cons : list → a → list) →
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∀(nil : list) →
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list
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= λ(a : Type) →
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λ(xs : List a) →
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λ(list : Type) →
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λ(cons : list → a → list) →
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λ(nil : list) →
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List/fold
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a
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xs
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(list → list)
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(λ(x : a) → λ(f : list → list) → λ(l : list) → f (cons l x))
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(λ(l : list) → l)
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nil
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let List/map
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: ∀(a : Type) → ∀(b : Type) → (a → b) → List a → List b
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= λ(a : Type) →
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λ(b : Type) →
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λ(f : a → b) →
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λ(xs : List a) →
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List/build
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b
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( λ(list : Type) →
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λ(cons : b → list → list) →
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List/fold a xs list (λ(x : a) → cons (f x))
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)
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let
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-- A builder is a list of “build methods” that go from (a -> a) and change the a step by step.
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Builder/build =
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λ(a : Type) →
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λ(init : a) →
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λ(builders : List (a → a)) →
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List/foldLeft
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(a → a)
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builders
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a
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(λ(acc : a) → λ(f : a → a) → f acc)
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init
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in { accounts =
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imports.toIni
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( λ(Ini : { Section : Type, SectionList : Type }) →
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λ(ini : ToIniFns Ini) →
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{ globalSection = ini.newSection
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, sections =
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ini.addSection
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"mail"
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( ini.addAll
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[ { name = "archive", value = "Archive" }
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, { name = "copy-to", value = "Sent" }
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, { name = "default", value = "INBOX" }
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, { name = "from"
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, value = "Profpatsch <mail@profpatsch.de>"
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}
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, { name = "source"
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, value = "maildir://~/.Mail/mail"
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}
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, { name = "postpone", value = "Drafts" }
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]
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ini.newSection
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)
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ini.newSectionList
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}
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)
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, aerc =
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imports.toIni
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( λ(Ini : { Section : Type, SectionList : Type }) →
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λ(ini : ToIniFns Ini) →
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{ globalSection = ini.newSection
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, sections =
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ini.addSection
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"filters"
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( Builder/build
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Ini.Section
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ini.newSection
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[ ini.add "text/html" (imports.aercFilter "html")
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, let _ =
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"-- TODO: this awk should be taken from nix!"
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in ini.add
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"text/*"
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"awk -f ${imports.aercFilter "plaintext"}"
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]
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)
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ini.newSectionList
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}
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)
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, binds =
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let
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-- keybinding and command to run
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Key =
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{ ctrl : Bool, key : Text, cmd : Text }
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in let
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-- render a key to config format
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renderKey =
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λ(k : Key) →
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if k.ctrl
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then "<C-${k.key}> = ${k.cmd}"
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else "${k.key} = ${k.cmd}"
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let
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-- render a list of keys to config format
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renderKeys =
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λ(keys : List Key) → List/map Key Text renderKey keys
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let
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-- create a section whith a name and a list of keys
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sect =
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λ(section : Text) →
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λ(keys : List Key) →
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{ section, keys = renderKeys keys }
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let
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-- set key without modifiers
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key =
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λ(key : Text) → { key }
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let
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-- set special key without modifiers
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special =
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λ(key : Text) → { key = "<${key}>" }
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let
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-- no modifier
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none =
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{ ctrl = False }
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let
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-- set control key
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ctrl =
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{ ctrl = True }
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let
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-- set a command to execute
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cmd =
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λ(cmd : Text) → { cmd = ":${cmd}<Enter>" }
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let
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-- set a command, but stay on the prompt
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prompt =
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λ(cmd : Text) → { cmd = ":${cmd}<Space>" }
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let config =
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{ globalSection =
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renderKeys
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[ ctrl ∧ key "p" ∧ cmd "prev-tab"
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, ctrl ∧ key "n" ∧ cmd "next-tab"
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, ctrl ∧ key "t" ∧ cmd "term"
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]
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, sections =
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[ sect
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"messages"
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[ ctrl ∧ key "q" ∧ cmd "quit"
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, none ∧ special "Up" ∧ cmd "prev"
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, none ∧ special "Down" ∧ cmd "next"
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, none ∧ special "PgUp" ∧ cmd "prev 100%"
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, none ∧ special "PgDn" ∧ cmd "next 100%"
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, none ∧ key "g" ∧ cmd "select 0"
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, none ∧ key "G" ∧ cmd "select -1"
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, ctrl ∧ key "Up" ∧ cmd "prev-folder"
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, ctrl ∧ key "Down" ∧ cmd "next-folder"
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, none ∧ key "v" ∧ cmd "mark -t"
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, none ∧ key "V" ∧ cmd "mark -v"
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, none ∧ special "Enter" ∧ cmd "view"
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, none ∧ key "c" ∧ cmd "compose"
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, none ∧ key "|" ∧ prompt "pipe"
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, none ∧ key "t" ∧ prompt "term"
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, none ∧ key "/" ∧ prompt "search"
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, none ∧ key "n" ∧ cmd "next-result"
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, none ∧ key "N" ∧ cmd "prev-result"
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, none ∧ special "Esc" ∧ cmd "clear"
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]
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, sect "view" [ none ∧ key "q" ∧ cmd "close" ]
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]
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}
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let Section = { section : Text, keys : List Text }
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let iniToJson =
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λ ( ini
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: { globalSection : List Text
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, sections : List Section
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}
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) →
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let mkKeys = imports.concatNewline
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let
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-- TODO: escaping section header?
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mkSection =
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λ(section : Section) →
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''
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[${section.section}]
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''
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++ mkKeys section.keys
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in mkKeys ini.globalSection
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++ mkKeys
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( List/map
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Section
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Text
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mkSection
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ini.sections
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)
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in iniToJson config
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}
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