58 lines
1.5 KiB
Nix
58 lines
1.5 KiB
Nix
{ config, lib, ... }:
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let
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cfg = config.buffer;
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options = import ./vim/options.nix { inherit lib; };
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bufferOpts = { name, config, ... }: {
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options = with lib; {
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pattern = mkOption {
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type = types.extCommas;
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description = "File types for which the buffer is enabled";
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};
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opt = options.buffer // options.window;
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};
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config = {
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pattern = lib.mkIf (!lib.hasPrefix "[definition " name) (lib.mkDefault name);
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};
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};
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mkBuffer = { prefix, event }: name: cfg:
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lib.nameValuePair
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"buffer-${prefix}-${name}"
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{
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inherit event;
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inherit (cfg) pattern;
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callback = with lib; with nix2lua; lambda [ "ev" ] (lib.flatten [
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(flip mapAttrsToList cfg.opt (k: v: if v == null then null else set "vim.opt.${k}" v))
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]);
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};
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mkFiletypeBuffer = mkBuffer { prefix = "filetype"; event = "FileType"; };
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mkReadBuffer = cfg:
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mkBuffer
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{ prefix = "read"; event = [ "BufNewFile" "BufRead" ]; }
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(builtins.hashString "sha1" cfg.patterns)
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cfg;
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in
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{
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options.buffer = {
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read = lib.mkOption {
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type = with lib.types; listOf (submodule bufferOpts);
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default = [ ];
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};
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filetype = lib.mkOption {
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type = with lib.types; attrsOf (submodule bufferOpts);
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default = { };
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};
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};
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config = {
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vim.augroup = lib.mkMerge [
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(lib.mkIf (cfg.filetype != { }) (lib.listToAttrs (lib.mapAttrsToList mkFiletypeBuffer cfg.filetype)))
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(lib.mkIf (cfg.read != [ ]) (lib.listToAttrs (lib.map mkReadBuffer cfg.read)))
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];
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};
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}
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