68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
from .io_buffer import IOBuffer
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class WebIOBuffer(IOBuffer):
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"""
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IOBuffer implementation for web interface communication.
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This class manages input/output through memory buffers instead of system IO,
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allowing for asynchronous communication through a web interface. It maintains
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separate buffers for stdin and stdout to simulate bidirectional communication.
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"""
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def __init__(self):
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"""Initialize empty input and output buffers."""
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self._stdin_buffer = ""
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self._stdout_buffer = ""
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def read(self) -> str:
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"""
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Read and clear all available input from the stdin buffer.
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Returns:
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str: Content from the stdin buffer, or empty string if buffer is empty
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"""
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content = self._stdin_buffer
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self._stdin_buffer = ""
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return content
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def write(self, content: str) -> None:
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"""
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Append content to the stdout buffer.
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Args:
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content: String content to append to the buffer
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"""
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if content:
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self._stdout_buffer += content
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def buffer_length(self) -> int:
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"""
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Get the current length of the stdin buffer.
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Returns:
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int: Number of characters in the stdin buffer
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"""
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return len(self._stdin_buffer)
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def append_stdin(self, content: str) -> None:
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"""
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Append content to the stdin buffer.
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Args:
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content: String content to append to the stdin buffer
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"""
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if content:
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self._stdin_buffer += content
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def get_stdout(self) -> str:
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"""
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Get the current content of the stdout buffer.
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Returns:
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str: Current content of the stdout buffer
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"""
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return self._stdout_buffer
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def clear_stdout(self) -> None:
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"""Clear the stdout buffer."""
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self._stdout_buffer = "" |