plugins/nvim-cmp: refactoring (init filetype and cmdline options)

plugins/completion/cmp/options/default.nix

@@ -0,0 +1,82 @@
+{
+  lib,
+  helpers,
+}:
+with lib; rec {
+  settingsOptions = import ./settings-options.nix {inherit lib helpers;};
+
+  settingsExample = {
+    snippet.expand = "luasnip";
+    mapping.__raw = ''
+      cmp.mapping.preset.insert({
+        ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),
+        ['<C-Space>'] = cmp.mapping.complete(),
+        ['<C-e>'] = cmp.mapping.abort(),
+        ['<CR>'] = cmp.mapping.confirm({ select = true }),
+      })
+    '';
+    sources.__raw = ''
+      cmp.config.sources({
+        { name = 'nvim_lsp' },
+        { name = 'vsnip' },
+        -- { name = 'luasnip' },
+        -- { name = 'ultisnips' },
+        -- { name = 'snippy' },
+      }, {
+        { name = 'buffer' },
+      })
+    '';
+  };
+
+  attrsOfOptions = with types;
+    attrsOf (
+      submodule {
+        freeformType = attrsOf anything;
+        options = settingsOptions;
+      }
+    );
+
+  filetype = mkOption {
+    type = attrsOfOptions;
+    default = {};
+    description = "Options for `cmp.filetype()`.";
+    example = {
+      python = {
+        sources = [
+          {name = "nvim_lsp";}
+        ];
+      };
+    };
+  };
+
+  cmdline = mkOption {
+    type = attrsOfOptions;
+    default = {};
+    description = "Options for `cmp.cmdline()`.";
+    example = {
+      "/" = {
+        mapping.__raw = "cmp.mapping.preset.cmdline()";
+        sources = [
+          {name = "buffer";}
+        ];
+      };
+      ":" = {
+        mapping.__raw = "cmp.mapping.preset.cmdline()";
+        sources = [
+          [
+            {name = "path";}
+          ]
+          [
+            {
+              name = "cmdline";
+              option = {
+                ignore_cmds = ["Man" "!"];
+              };
+            }
+          ]
+        ];
+      };
+    };
+  };
+}