std.io

Function Description

The io package provides the capability of data exchange between a program and an external device.

I/O operation refers to an operation of exchanging data between a program and an external device. Cangjie provides universal interfaces and some special implementations for streaming I/O operations. An input or output stream is similar to a data channel and carries a segment of ordered data. A program reads data (from a file or network) in the input stream and writes data to the output stream (to a file or network).

API List

Function

Name	Description
copy(InputStream, OutputStream)	Copies the data that is not read from an input stream to another output stream.
readString<T>(T) where T <: InputStream & Seekable	Reads the remaining content in the input parameter and returns a string.
readStringUnchecked<T>(T) where T <: InputStream & Seekable	Reads the remaining content in the input parameter and returns a string. This function does not check the validity of strings.
func readToEnd<T>(T) where T <: InputStream & Seekable	Obtains the data that is not read from the input parameter.

Interface

Name	Description
InputStream	Specifies input stream interface.
IOStream	Specifies input and output stream interface.
OutputStream	Specifies output stream interface.
Seekable	Moves the cursor.

Class

Name	Description
BufferedInputStream<T> where T <: InputStream	Provides input streams with buffers.
BufferedOutputStream<T> where T <: OutputStream	Provides output streams with buffers.
ByteBuffer	Input stream interface.
ChainedInputStream<T> where T <: InputStream	Reads data from the InputStream array in sequence.
MultiOutputStream<T> where T <: OutputStream	Writes data to each output stream in the OutputStream array at the same time.
StringReader<T> where T <: InputStream	Reads data from the InputStream input stream and converts the data into characters or a string.
StringWriter<T> where T <: OutputStream	Converts strings and some ToString types to strings in a specified encoding format and byte order and writes the strings to the output stream.

Enumeration

Name	Description
SeekPosition	Input stream interface.

Exception Class

Name	Description
ContentFormatException	Handles exceptions related to character formats.
IOException	Handles exceptions related to I/O streams.