LSP-server-example

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package handlers
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import (
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	"encoding/json"
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	"log/slog"
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	"lsp-server/internal/protocol"
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)
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const DidOpenTextDocumentNotification = "textDocument/didOpen"
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type DidOpen struct {
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	documentUpdates chan protocol.TextDocumentItem
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}
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func NewDidOpen(documentUpdates chan protocol.TextDocumentItem) *DidOpen {
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	return &DidOpen{documentUpdates: documentUpdates}
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}
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func (d DidOpen) Call(params json.RawMessage) error {
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	slog.Info("received didOpen notification")
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	openParams, err := d.parseParams(params)
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	if err != nil {
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		slog.Error("Error to parse didOpen params")
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		return err
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	}
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	slog.Debug("didOpen params", slog.Any("params", *openParams))
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	d.documentUpdates <- openParams.TextDocument
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	return nil
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}
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func (d DidOpen) parseParams(params json.RawMessage) (*protocol.DidOpenTextDocumentParams, error) {
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	var openParams protocol.DidOpenTextDocumentParams
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	if err := json.Unmarshal(params, &openParams); err != nil {
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		return nil, err
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	}
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	return &openParams, nil
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}
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