83 lines
3.0 KiB
Rust
83 lines
3.0 KiB
Rust
/// Interface for UI output operations
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/// This trait abstracts all UI operations to allow different implementations
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/// (console, TUI, web, etc.) without coupling the core logic to specific output methods.
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pub trait UiWriter: Send + Sync {
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/// Print a simple message
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fn print(&self, message: &str);
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/// Print a message with a newline
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fn println(&self, message: &str);
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/// Print without newline (for progress indicators)
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fn print_inline(&self, message: &str);
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/// Print a system prompt section
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fn print_system_prompt(&self, prompt: &str);
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/// Print a context window status message
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fn print_context_status(&self, message: &str);
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/// Print a context thinning success message with highlight and animation
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fn print_context_thinning(&self, message: &str);
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/// Print a tool execution header
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fn print_tool_header(&self, tool_name: &str);
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/// Print a tool argument
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fn print_tool_arg(&self, key: &str, value: &str);
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/// Print tool output header
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fn print_tool_output_header(&self);
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/// Update the current tool output line (replaces previous line)
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fn update_tool_output_line(&self, line: &str);
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/// Print a tool output line
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fn print_tool_output_line(&self, line: &str);
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/// Print tool output summary (when output is truncated)
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fn print_tool_output_summary(&self, hidden_count: usize);
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/// Print tool execution timing
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fn print_tool_timing(&self, duration_str: &str);
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/// Print the agent prompt indicator
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fn print_agent_prompt(&self);
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/// Print agent response inline (for streaming)
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fn print_agent_response(&self, content: &str);
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/// Notify that an SSE event was received (including pings)
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fn notify_sse_received(&self);
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/// Flush any buffered output
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fn flush(&self);
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/// Returns true if this UI writer wants full, untruncated output
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/// Default is false (truncate for human readability)
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fn wants_full_output(&self) -> bool { false }
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}
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/// A no-op implementation for when UI output is not needed
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pub struct NullUiWriter;
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impl UiWriter for NullUiWriter {
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fn print(&self, _message: &str) {}
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fn println(&self, _message: &str) {}
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fn print_inline(&self, _message: &str) {}
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fn print_system_prompt(&self, _prompt: &str) {}
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fn print_context_status(&self, _message: &str) {}
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fn print_context_thinning(&self, _message: &str) {}
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fn print_tool_header(&self, _tool_name: &str) {}
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fn print_tool_arg(&self, _key: &str, _value: &str) {}
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fn print_tool_output_header(&self) {}
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fn update_tool_output_line(&self, _line: &str) {}
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fn print_tool_output_line(&self, _line: &str) {}
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fn print_tool_output_summary(&self, _hidden_count: usize) {}
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fn print_tool_timing(&self, _duration_str: &str) {}
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fn print_agent_prompt(&self) {}
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fn print_agent_response(&self, _content: &str) {}
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fn notify_sse_received(&self) {}
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fn flush(&self) {}
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fn wants_full_output(&self) -> bool { false }
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} |