packaging work

Buffer.cc

@@ -1,180 +0,0 @@
-//
-// Created by kyle on 2023-10-09.
-//
-
-#include <cassert>
-#include <cstring>
-#include "Buffer.h"
-
-namespace kge {
-
-
-constexpr size_t	defaultCapacity = 32;
-constexpr size_t	maxReasonableLine = 8192;
-
-
-static size_t
-nearestPower(size_t x)
-{
-	if (x == 0) {
-		return 0;
-	}
-
-	x--;
-
-	x |= x >> 1;
-	x |= x >> 2;
-	x |= x >> 4;
-	x |= x >> 8;
-	x |= x >> 16;
-	x |= x >> 32;
-
-	return x;
-}
-
-
-Buffer::Buffer()
-    : contents(nullptr), length(0), capacity(0)
-{
-	this->Resize(defaultCapacity);			
-}
-
-
-Buffer::Buffer(size_t initialCapacity)
-    : contents(nullptr), length(0), capacity(0)
-{
-	this->Resize(initialCapacity);			
-}
-
-
-Buffer::Buffer(const char *data)
-    : contents(nullptr), length(0), capacity(0)
-{
-	size_t	datalen = strnlen(data, maxReasonableLine);
-
-	this->Append((uint8_t *)data, datalen);
-}
-
-
-bool
-Buffer::Append(uint8_t *data, size_t datalen)
-{
-	auto	resized = false;
-	auto	newCap = this->mustGrow(datalen);
-
-	if (newCap > 0) {
-		this->Resize(newCap);
-		resized = true;
-	}
-
-	memcpy(this->contents + this->length, data, datalen);
-	this->length += datalen;
-	return resized;
-}
-
-bool
-Buffer::Append(uint8_t c)
-{
-	return this->Append(&c, 1);
-}
-
-bool
-Buffer::Insert(size_t index, uint8_t *data, size_t datalen)
-{
-	auto	resized = this->shift(index, datalen);
-
-	memcpy(this->contents + index, data, datalen);
-	return resized;
-}
-
-bool
-Buffer::Insert(size_t index, uint8_t c)
-{
-	return this->Insert(index, &c, 1);
-}
-
-
-void
-Buffer::Resize(size_t newCapacity)
-{
-	if (newCapacity < this->length) {
-		return;
-	}
-
-	uint8_t *newContents = new uint8_t[newCapacity];
-
-	if (this->length > 0) {
-		memcpy(newContents, this->contents, this->length);
-	}
-
-	if (this->contents != nullptr) {
-		delete this->contents;
-	}
-
-	this->contents = newContents;
-	this->capacity = newCapacity;
-}
-
-size_t
-Buffer::Trim()
-{
-	size_t	projectedCapacity = nearestPower(this->length);
-
-	assert(projectedCapacity >= length);
-
-	if (projectedCapacity < this->capacity) {
-		this->Resize(projectedCapacity);
-		return this->Capacity();
-	}
-
-	return 0;
-}
-
-void
-Buffer::Clear()
-{
-	memset(this->contents, 0, this->length);
-	this->length = 0;
-}
-
-void
-Buffer::Reclaim()
-{
-	delete this->contents;
-	this->length = 0;
-	this->capacity = 0;
-}
-
-size_t
-Buffer::mustGrow(size_t delta)
-{
-	if ((delta + this->length) < this->capacity) {
-		return 0;
-	}
-
-	auto newCapacity = delta + this->length;
-	return nearestPower(newCapacity);
-}
-
-
-bool
-Buffer::shift(size_t offset, size_t delta)
-{
-	auto	resized = false;
-	auto	newCap = this->mustGrow(delta);
-
-	if (newCap > 0) {
-		this->Resize(newCap);
-		resized = true;
-	}
-
-	
-	for (size_t i = this->length; i >= offset; i++) {
-		this->contents[i+delta] = this->contents[i];
-	}
-
-	return resized;
-}
-
-
-} // kge