parseStreamEvent 解析流式事件
(event map[string]any)
| 415 | |
| 416 | // parseStreamEvent 解析流式事件 |
| 417 | func (gp *GLMProvider) parseStreamEvent(event map[string]any) *StreamChunk { |
| 418 | ctx := context.Background() // 用于日志记录 |
| 419 | |
| 420 | // GLM API 使用 OpenAI 兼容格式 |
| 421 | chunk := &StreamChunk{} |
| 422 | |
| 423 | // 检查 choices |
| 424 | if choices, ok := event["choices"].([]any); ok && len(choices) > 0 { |
| 425 | if choice, ok := choices[0].(map[string]any); ok { |
| 426 | if delta, ok := choice["delta"].(map[string]any); ok { |
| 427 | // 检查是否有 tool_calls(OpenAI 格式) |
| 428 | if toolCalls, ok := delta["tool_calls"].([]any); ok && len(toolCalls) > 0 { |
| 429 | // 工具调用开始 |
| 430 | if toolCall, ok := toolCalls[0].(map[string]any); ok { |
| 431 | index := 0 |
| 432 | if idx, ok := toolCall["index"].(float64); ok { |
| 433 | index = int(idx) |
| 434 | } |
| 435 | |
| 436 | chunk.Type = "content_block_start" |
| 437 | chunk.Index = index |
| 438 | |
| 439 | // 构建工具调用信息(转换为 Anthropic 格式以便统一处理) |
| 440 | toolInfo := map[string]any{ |
| 441 | "type": "tool_use", |
| 442 | } |
| 443 | |
| 444 | if id, ok := toolCall["id"].(string); ok { |
| 445 | toolInfo["id"] = id |
| 446 | } |
| 447 | |
| 448 | if fn, ok := toolCall["function"].(map[string]any); ok { |
| 449 | if name, ok := fn["name"].(string); ok { |
| 450 | toolInfo["name"] = name |
| 451 | } |
| 452 | // arguments 会在 content_block_delta 中逐步接收 |
| 453 | } |
| 454 | |
| 455 | chunk.Delta = toolInfo |
| 456 | glmLog.Debug(ctx, "received tool_use block", map[string]any{"index": index, "id": toolInfo["id"], "name": toolInfo["name"]}) |
| 457 | return chunk |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | // 检查是否有文本内容 |
| 462 | if content, ok := delta["content"].(string); ok && content != "" { |
| 463 | chunk.Type = "content_block_delta" |
| 464 | chunk.Delta = map[string]any{ |
| 465 | "type": "text_delta", |
| 466 | "text": content, |
| 467 | } |
| 468 | return chunk |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | // 检查 tool_calls 的增量更新(arguments 字段) |
| 473 | if delta, ok := choice["delta"].(map[string]any); ok { |
| 474 | if toolCalls, ok := delta["tool_calls"].([]any); ok && len(toolCalls) > 0 { |