63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
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package console
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import (
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"errors"
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"io"
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"os"
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)
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var ErrNotAConsole = errors.New("provided file is not a console")
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type Console interface {
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io.Reader
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io.Writer
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io.Closer
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// Resize resizes the console to the provided window size
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Resize(WinSize) error
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// ResizeFrom resizes the calling console to the size of the
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// provided console
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ResizeFrom(Console) error
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// SetRaw sets the console in raw mode
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SetRaw() error
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// DisableEcho disables echo on the console
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DisableEcho() error
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// Reset restores the console to its orignal state
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Reset() error
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// Size returns the window size of the console
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Size() (WinSize, error)
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// Fd returns the console's file descriptor
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Fd() uintptr
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// Name returns the console's file name
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Name() string
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}
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// WinSize specifies the window size of the console
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type WinSize struct {
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// Height of the console
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Height uint16
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// Width of the console
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Width uint16
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x uint16
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y uint16
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}
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// Current returns the current processes console
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func Current() Console {
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c, err := ConsoleFromFile(os.Stdin)
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if err != nil {
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// stdin should always be a console for the design
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// of this function
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panic(err)
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}
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return c
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}
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// ConsoleFromFile returns a console using the provided file
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func ConsoleFromFile(f *os.File) (Console, error) {
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if err := checkConsole(f); err != nil {
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return nil, err
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}
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return newMaster(f)
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}
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