From 92b20f6f46fd88e131e3b6bfaae679852b4f2c32 Mon Sep 17 00:00:00 2001
From: Andrey <a.bychkov@itelma.su>
Date: Tue, 16 Nov 2021 15:22:03 +0300
Subject: [PATCH] PIByteArray getRange

---
 libs/main/core/pibytearray.h | 8 ++++++++
 main.cpp                     | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/libs/main/core/pibytearray.h b/libs/main/core/pibytearray.h
index d47740c8..721d7030 100644
--- a/libs/main/core/pibytearray.h
+++ b/libs/main/core/pibytearray.h
@@ -85,6 +85,8 @@ public:
 
 	PIByteArray(const PIByteArray & o): PIDeque<uchar>(o) {}
 
+	PIByteArray(const PIDeque<uchar> & o): PIDeque<uchar>(o) {}
+
 	PIByteArray(PIByteArray && o): PIDeque<uchar>(std::move(o)) {}
 
 	//! Constructs 0-filled byte array with size "size"
@@ -116,6 +118,12 @@ public:
 	//! Return resized byte array
 	PIByteArray resized(uint new_size) const {PIByteArray ret(new_size); memcpy(ret.data(), data(), new_size); return ret;}
 
+	//! Return sub-array starts from "index" and has "count" or less bytes
+	PIByteArray getRange(size_t index, size_t count) const {
+		return PIDeque<uchar>::getRange(index, count);
+	}
+
+
 	//! Convert data to Base 64 and return this byte array
 	PIByteArray & convertToBase64();
 
diff --git a/main.cpp b/main.cpp
index 6c91d54f..a94d025f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,6 +22,9 @@ int main(int argc, char * argv[]) {
 	t3.stop();
 	piMSleep(100);
 	piCout << "exit" << cnt1 << cnt2 << cnt3;
+	PIByteArray ba = PIByteArray::fromHex("00aabbcc");
+	PIByteArray ba2 = ba.getRange(1, 2);
+	piCout << ba2.toHex();
 //	m.unlock();
 //	piMSleep(10);
 	return 0;