c_meyer/pxt-calliope
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

support for start/length in buffer methods

Browse Source
This commit is contained in:
Peli de Halleux
2016-08-04 08:42:47 -07:00
parent 4e46682489
commit f2c43c74ac
3 changed files with 17 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
libs/microbit/buffer.cpp
View File

@ -123,21 +123,25 @@ namespace BufferMethods {
/**
* Shift buffer left in place, with zero padding.
* @param offset number of bytes to shift; use negative value to shift right
* @param start start offset in buffer. Default is 0.
* @param length number of elements in buffer. If negative, length is set as the buffer length minus start. eg: -1
*/
//%
void shift(Buffer buf, int offset)
void shift(Buffer buf, int offset, int start = 0, int length = -1)
{
ManagedBuffer(buf).shift(offset);
ManagedBuffer(buf).shift(offset, start, length);
}
/**
* Rotate buffer left in place.
* @param offset number of bytes to shift; use negative value to shift right
* @param start start offset in buffer. Default is 0.
* @param length number of elements in buffer. If negative, length is set as the buffer length minus start. eg: -1
*/
//%
void rotate(Buffer buf, int offset)
void rotate(Buffer buf, int offset, int start = 0, int length = -1)
{
ManagedBuffer(buf).rotate(offset);
ManagedBuffer(buf).rotate(offset, start, length);
}
// int readBytes(uint8_t *dst, int offset, int length, bool swapBytes = false) const;