mirror of
https://github.com/router-for-me/CLIProxyAPI.git
synced 2026-02-03 13:00:52 +08:00
174 lines
8.3 KiB
Go
174 lines
8.3 KiB
Go
// Package claude provides response translation functionality for Codex to Claude Code API compatibility.
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// This package handles the conversion of Codex API responses into Claude Code-compatible
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// Server-Sent Events (SSE) format, implementing a sophisticated state machine that manages
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// different response types including text content, thinking processes, and function calls.
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// The translation ensures proper sequencing of SSE events and maintains state across
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// multiple response chunks to provide a seamless streaming experience.
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package claude
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import (
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"bytes"
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"context"
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"fmt"
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"github.com/tidwall/gjson"
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"github.com/tidwall/sjson"
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)
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var (
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dataTag = []byte("data: ")
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)
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// ConvertCodexResponseToClaude performs sophisticated streaming response format conversion.
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// This function implements a complex state machine that translates Codex API responses
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// into Claude Code-compatible Server-Sent Events (SSE) format. It manages different response types
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// and handles state transitions between content blocks, thinking processes, and function calls.
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//
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// Response type states: 0=none, 1=content, 2=thinking, 3=function
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// The function maintains state across multiple calls to ensure proper SSE event sequencing.
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//
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// Parameters:
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// - ctx: The context for the request, used for cancellation and timeout handling
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// - modelName: The name of the model being used for the response (unused in current implementation)
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// - rawJSON: The raw JSON response from the Codex API
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// - param: A pointer to a parameter object for maintaining state between calls
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//
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// Returns:
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// - []string: A slice of strings, each containing a Claude Code-compatible JSON response
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func ConvertCodexResponseToClaude(_ context.Context, _ string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, param *any) []string {
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if *param == nil {
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hasToolCall := false
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*param = &hasToolCall
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}
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// log.Debugf("rawJSON: %s", string(rawJSON))
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if !bytes.HasPrefix(rawJSON, dataTag) {
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return []string{}
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}
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rawJSON = rawJSON[6:]
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output := ""
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rootResult := gjson.ParseBytes(rawJSON)
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typeResult := rootResult.Get("type")
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typeStr := typeResult.String()
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template := ""
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if typeStr == "response.created" {
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template = `{"type":"message_start","message":{"id":"","type":"message","role":"assistant","model":"claude-opus-4-1-20250805","stop_sequence":null,"usage":{"input_tokens":0,"output_tokens":0},"content":[],"stop_reason":null}}`
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template, _ = sjson.Set(template, "message.model", rootResult.Get("response.model").String())
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template, _ = sjson.Set(template, "message.id", rootResult.Get("response.id").String())
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output = "event: message_start\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.reasoning_summary_part.added" {
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template = `{"type":"content_block_start","index":0,"content_block":{"type":"thinking","thinking":""}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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output = "event: content_block_start\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.reasoning_summary_text.delta" {
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template = `{"type":"content_block_delta","index":0,"delta":{"type":"thinking_delta","thinking":""}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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template, _ = sjson.Set(template, "delta.thinking", rootResult.Get("delta").String())
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output = "event: content_block_delta\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.reasoning_summary_part.done" {
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template = `{"type":"content_block_stop","index":0}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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output = "event: content_block_stop\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.content_part.added" {
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template = `{"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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output = "event: content_block_start\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.output_text.delta" {
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template = `{"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":""}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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template, _ = sjson.Set(template, "delta.text", rootResult.Get("delta").String())
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output = "event: content_block_delta\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.content_part.done" {
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template = `{"type":"content_block_stop","index":0}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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output = "event: content_block_stop\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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} else if typeStr == "response.completed" {
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template = `{"type":"message_delta","delta":{"stop_reason":"tool_use","stop_sequence":null},"usage":{"input_tokens":0,"output_tokens":0}}`
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p := (*param).(*bool)
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if *p {
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template, _ = sjson.Set(template, "delta.stop_reason", "tool_use")
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} else {
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template, _ = sjson.Set(template, "delta.stop_reason", "end_turn")
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}
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template, _ = sjson.Set(template, "usage.input_tokens", rootResult.Get("response.usage.input_tokens").Int())
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template, _ = sjson.Set(template, "usage.output_tokens", rootResult.Get("response.usage.output_tokens").Int())
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output = "event: message_delta\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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output += "event: message_stop\n"
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output += `data: {"type":"message_stop"}`
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output += "\n\n"
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} else if typeStr == "response.output_item.added" {
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itemResult := rootResult.Get("item")
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itemType := itemResult.Get("type").String()
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if itemType == "function_call" {
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p := true
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*param = &p
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template = `{"type":"content_block_start","index":0,"content_block":{"type":"tool_use","id":"","name":"","input":{}}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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template, _ = sjson.Set(template, "content_block.id", itemResult.Get("call_id").String())
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template, _ = sjson.Set(template, "content_block.name", itemResult.Get("name").String())
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output = "event: content_block_start\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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template = `{"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":""}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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output += "event: content_block_delta\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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}
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} else if typeStr == "response.output_item.done" {
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itemResult := rootResult.Get("item")
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itemType := itemResult.Get("type").String()
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if itemType == "function_call" {
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template = `{"type":"content_block_stop","index":0}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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output = "event: content_block_stop\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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}
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} else if typeStr == "response.function_call_arguments.delta" {
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template = `{"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":""}}`
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template, _ = sjson.Set(template, "index", rootResult.Get("output_index").Int())
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template, _ = sjson.Set(template, "delta.partial_json", rootResult.Get("delta").String())
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output += "event: content_block_delta\n"
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output += fmt.Sprintf("data: %s\n\n", template)
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}
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return []string{output}
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}
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// ConvertCodexResponseToClaudeNonStream converts a non-streaming Codex response to a non-streaming Claude Code response.
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// This function processes the complete Codex response and transforms it into a single Claude Code-compatible
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// JSON response. It handles message content, tool calls, reasoning content, and usage metadata, combining all
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// the information into a single response that matches the Claude Code API format.
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//
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// Parameters:
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// - ctx: The context for the request, used for cancellation and timeout handling
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// - modelName: The name of the model being used for the response (unused in current implementation)
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// - rawJSON: The raw JSON response from the Codex API
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// - param: A pointer to a parameter object for the conversion (unused in current implementation)
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//
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// Returns:
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// - string: A Claude Code-compatible JSON response containing all message content and metadata
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func ConvertCodexResponseToClaudeNonStream(_ context.Context, _ string, originalRequestRawJSON, requestRawJSON, _ []byte, _ *any) string {
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return ""
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}
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