Initial commit

document_diagnostic.go

@@ -0,0 +1,102 @@
+package protocol
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+const (
+	MethodTextDocumentDiagnostic = "textDocument/diagnostic"
+)
+
+// DocumentDiagnosticParams - Parameters of the document diagnostic request.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#documentDiagnosticParams
+type DocumentDiagnosticParams struct {
+	WorkDoneProgressParams
+	PartialResultParams
+
+	// The text document to request diagnostics for.
+	TextDocument TextDocumentIdentifier `json:"textDocument"`
+
+	// The additional identifier provided during registration.
+	Identifier string `json:"identifier,omitempty"`
+
+	// The current version of the document.
+	// If provided, servers can avoid computing diagnostics again if the document version hasn’t changed.
+	PreviousResultID string `json:"previousResultId,omitempty"`
+}
+
+// DocumentDiagnosticReport is either a full or an unchanged diagnostic report.
+//
+// @since 3.17.0
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#documentDiagnosticReport
+type DocumentDiagnosticReport struct {
+	Full      *FullDocumentDiagnosticReport
+	Unchanged *UnchangedDocumentDiagnosticReport
+}
+
+// FullDocumentDiagnosticReport - A full diagnostic report with a full set of problems.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#fullDocumentDiagnosticReport
+type FullDocumentDiagnosticReport struct {
+	Kind     string       `json:"kind"` // Should always be "full"
+	ResultID string       `json:"resultId,omitempty"`
+	Items    []Diagnostic `json:"items"`
+}
+
+// UnchangedDocumentDiagnosticReport - An unchanged diagnostic report indicating nothing has changed.
+//
+// @since 3.17.0
+//
+// See https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#unchangedDocumentDiagnosticReport
+type UnchangedDocumentDiagnosticReport struct {
+	Kind     string `json:"kind"` // Should always be "unchanged"
+	ResultID string `json:"resultId"`
+}
+
+func (r DocumentDiagnosticReport) MarshalJSON() ([]byte, error) {
+	if r.Full != nil {
+		return json.Marshal(r.Full)
+	}
+	if r.Unchanged != nil {
+		return json.Marshal(r.Unchanged)
+	}
+	return nil, fmt.Errorf("either the Full or Unchanged field needs to be set")
+}
+
+func (r *DocumentDiagnosticReport) UnmarshalJSON(data []byte) error {
+	// reset object first.
+	*r = DocumentDiagnosticReport{}
+
+	var temp struct {
+		Kind string `json:"kind"`
+	}
+
+	if err := json.Unmarshal(data, &temp); err != nil {
+		return err
+	}
+
+	switch temp.Kind {
+	case "full":
+		var full FullDocumentDiagnosticReport
+		if err := json.Unmarshal(data, &full); err != nil {
+			return err
+		}
+		r.Full = &full
+	case "unchanged":
+		var unchanged UnchangedDocumentDiagnosticReport
+		if err := json.Unmarshal(data, &unchanged); err != nil {
+			return err
+		}
+		r.Unchanged = &unchanged
+	default:
+		return fmt.Errorf("unknown document diagnostic report kind: %s", temp.Kind)
+	}
+
+	return nil
+}