config-lsp/handlers/ssh_config/lsp/text-document-prepare-rename.go

package lsp

import (
	"config-lsp/common"
	sshconfig "config-lsp/handlers/ssh_config"
	"config-lsp/handlers/ssh_config/ast"

	"github.com/tliron/glsp"
	protocol "github.com/tliron/glsp/protocol_3_16"
)

func TextDocumentPrepareRename(context *glsp.Context, params *protocol.PrepareRenameParams) (any, error) {
	d := sshconfig.DocumentParserMap[params.TextDocument.URI]
	line := params.Position.Line

	option, block := d.Config.FindOption(line)

	if option == nil || option.Key == nil {
		// Empty line
		return nil, nil
	}

	if option.Key.Key == tagOption && option.OptionValue != nil {
		return option.OptionValue.ToLSPRange(), nil
	}

	if option.Key.Key == matchOption {
		matchBlock := block.(*ast.SSHMatchBlock)
		entry := matchBlock.MatchValue.GetEntryAtPosition(common.LSPCharacterAsIndexPosition(params.Position.Character))

		if entry == nil {
			return nil, nil
		}

		value := entry.GetValueAtPosition(common.LSPCharacterAsIndexPosition(params.Position.Character))

		if value == nil {
			return nil, nil
		}

		return value.ToLSPRange(), nil
	}

	return nil, nil
}