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879b4abde7* add minify dependency specifically for markdown * rearrange markdown formatting * update markdown tests
44 lines
878 B
Go
44 lines
878 B
Go
package buffer
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import "io"
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// Reader implements an io.Reader over a byte slice.
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type Reader struct {
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buf []byte
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pos int
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}
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// NewReader returns a new Reader for a given byte slice.
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func NewReader(buf []byte) *Reader {
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return &Reader{
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buf: buf,
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}
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}
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// Read reads bytes into the given byte slice and returns the number of bytes read and an error if occurred.
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func (r *Reader) Read(b []byte) (n int, err error) {
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if len(b) == 0 {
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return 0, nil
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}
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if r.pos >= len(r.buf) {
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return 0, io.EOF
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}
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n = copy(b, r.buf[r.pos:])
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r.pos += n
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return
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}
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// Bytes returns the underlying byte slice.
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func (r *Reader) Bytes() []byte {
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return r.buf
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}
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// Reset resets the position of the read pointer to the beginning of the underlying byte slice.
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func (r *Reader) Reset() {
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r.pos = 0
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}
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// Len returns the length of the buffer.
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func (r *Reader) Len() int {
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return len(r.buf)
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}
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