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// Copyright 2025 CUE Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"context"
"fmt"
"sort"
"strings"
"cuelang.org/go/internal/golangorgx/gopls/protocol"
"cuelang.org/go/internal/golangorgx/gopls/settings"
)
// Options returns the current server options.
//
// The caller must not modify the result.
func (s *server) Options() *settings.Options {
return s.options
}
// SetOptions sets the current server options.
//
// The caller must not subsequently modify the contents of opts.
func (s *server) SetOptions(opts *settings.Options) {
s.options = opts
}
// handleOptionResults processes the results of combining existing
// options with options newly received from the editor/client. It is
// validation of options.
func (s *server) handleOptionResults(ctx context.Context, results settings.OptionResults) error {
var warnings, errors []string
for _, result := range results {
switch result.Error.(type) {
case nil:
// nothing to do
case *settings.SoftError:
warnings = append(warnings, result.Error.Error())
default:
errors = append(errors, result.Error.Error())
}
}
// Sort messages, but put errors first.
//
// Having stable content for the message allows clients to de-duplicate. This
// matters because we may send duplicate warnings for clients that support
// dynamic configuration: one for the initial settings, and then more for the
// individual viewsettings.
var msgs []string
msgType := protocol.Warning
if len(errors) > 0 {
msgType = protocol.Error
sort.Strings(errors)
msgs = append(msgs, errors...)
}
if len(warnings) > 0 {
sort.Strings(warnings)
msgs = append(msgs, warnings...)
}
if len(msgs) > 0 {
combined := "Invalid settings: " + strings.Join(msgs, "; ")
params := &protocol.ShowMessageParams{
Type: msgType,
Message: combined,
}
return s.eventuallyShowMessage(ctx, params)
}
return nil
}
// fetchFolderOptions makes a workspace/configuration request for the given
// folder, and populates options with the result.
//
// If dir is "", fetchFolderOptions makes an unscoped request.
func (s *server) fetchFolderOptions(ctx context.Context, dir protocol.DocumentURI) (*settings.Options, error) {
options := s.Options()
if !options.ConfigurationSupported {
return options, nil
}
var scopeURI *string
if dir != "" {
scope := string(dir)
scopeURI = &scope
}
configs, err := s.client.Configuration(ctx, &protocol.ParamConfiguration{
Items: []protocol.ConfigurationItem{{
ScopeURI: scopeURI,
Section: "cuelsp",
}},
})
if err != nil {
return nil, fmt.Errorf("failed to get workspace configuration from client (%s): %v", dir, err)
}
options = options.Clone()
for _, config := range configs {
if err := s.handleOptionResults(ctx, settings.SetOptions(options, config)); err != nil {
return nil, err
}
}
return options, nil
}
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