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This commit is contained in:
Ned Wright
2025-01-13 12:35:42 +00:00
parent 35b2df729f
commit 6db87fc7fe
45 changed files with 390 additions and 130 deletions
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64
core/buffers/buffer.cc
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@@ -144,8 +144,8 @@ Buffer::operator+(const Buffer &other) const
Buffer
Buffer::getSubBuffer(uint start, uint end) const
{
dbgAssert(start<=end && end<=len) << alert << "Buffer::getSubBuffer() returned: Illegal scoping of buffer";
if (start == end) return Buffer();
dbgAssertOpt(start<=end && end<=len) << alert << "Buffer::getSubBuffer() returned: Illegal scoping of buffer";
if (start >= end || end > len) return Buffer();
Buffer res;
uint offset = 0;
@@ -178,8 +178,12 @@ Buffer::getSubBuffer(uint start, uint end) const
Maybe<uint>
Buffer::findFirstOf(char ch, uint start) const
{
dbgAssert(start <= len) << alert << "Buffer::findFirstOf() returned: Cannot set a start point after buffer's end";
if (start > len) {
dbgAssertOpt(start <= len)
<< alert
<< "Buffer::findFirstOf() returned: Cannot set a start point after buffer's end";
return genError("Cannot set a start point after buffer's end");
}
for (; start < len; ++start) {
if ((*this)[start] == ch) return start;
}
@@ -189,8 +193,12 @@ Buffer::findFirstOf(char ch, uint start) const
Maybe<uint>
Buffer::findFirstOf(const Buffer &buf, uint start) const
{
dbgAssert(start <= len) << alert << "Buffer::findFirstOf() returned: Cannot set a start point after buffer's end";
if (start > len) {
dbgAssertOpt(start <= len)
<< alert
<< "Buffer::findFirstOf() returned: Cannot set a start point after buffer's end";
return genError("Cannot set a start point after buffer's end");
}
for (; start + buf.size() <= len; ++start) {
auto sub_buffer = getSubBuffer(start, start + buf.size());
if (sub_buffer == buf) return start;
@@ -201,9 +209,13 @@ Buffer::findFirstOf(const Buffer &buf, uint start) const
Maybe<uint>
Buffer::findFirstNotOf(char ch, uint start) const
{
dbgAssert(start <= len)
<< alert
<< "Buffer::findFirstNotOf() returned: Cannot set a start point after buffer's end";
if (start > len) {
dbgAssertOpt(start <= len)
<< alert
<< "Buffer::findFirstNotOf() returned: Cannot set a start point after buffer's end";
return genError("Cannot set a start point after buffer's end");
}
for (; start < len; ++start) {
if ((*this)[start] != ch) return start;
}
@@ -213,7 +225,12 @@ Buffer::findFirstNotOf(char ch, uint start) const
Maybe<uint>
Buffer::findLastOf(char ch, uint start) const
{
dbgAssert(start <= len) << alert << "Buffer::findLastOf() returned: Cannot set a start point after buffer's end";
if (start > len) {
dbgAssertOpt(start <= len)
<< alert
<< "Buffer::findLastOf() returned: Cannot set a start point after buffer's end";
return genError("Cannot set a start point after buffer's end");
}
for (; 0 < start; --start) {
if ((*this)[start - 1] == ch) return start - 1;
}
@@ -223,9 +240,12 @@ Buffer::findLastOf(char ch, uint start) const
Maybe<uint>
Buffer::findLastNotOf(char ch, uint start) const
{
dbgAssert(start <= len)
<< alert
<< "Buffer::findLastNotOf() returned: Cannot set a start point after buffer's end";
if (start > len) {
dbgAssertOpt(start <= len)
<< alert
<< "Buffer::findLastNotOf() returned: Cannot set a start point after buffer's end";
return genError("Cannot set a start point after buffer's end");
}
for (; 0 < start; --start) {
if ((*this)[start - 1] != ch) return start - 1;
}
@@ -235,8 +255,8 @@ Buffer::findLastNotOf(char ch, uint start) const
void
Buffer::truncateHead(uint size)
{
dbgAssert(size <= len) << alert << "Cannot set a new start of buffer after the buffer's end";
if (size == 0) return;
dbgAssertOpt(size <= len) << alert << "Cannot set a new start of buffer after the buffer's end";
if (size == 0 || size > len) return;
if (size == len) {
clear();
return;
@@ -261,8 +281,8 @@ Buffer::truncateHead(uint size)
void
Buffer::truncateTail(uint size)
{
dbgAssert(size <= len) << alert << "Cannot set a new end of buffer after the buffer's end";
if (size == 0) return;
dbgAssertOpt(size <= len) << alert << "Cannot set a new end of buffer after the buffer's end";
if (size == 0 || size > len) return;
if (size == len) {
clear();
return;
@@ -285,14 +305,20 @@ Buffer::truncateTail(uint size)
void
Buffer::keepHead(uint size)
{
dbgAssert(size <= len) << alert << "Cannot set a new end of buffer before the buffer's start";
if (size > len) {
dbgAssertOpt(size <= len) << alert << "Cannot set a new end of buffer before the buffer's start";
return;
}
truncateTail(len - size);
}
void
Buffer::keepTail(uint size)
{
dbgAssert(size <= len) << alert << "Cannot set a new start of buffer after the buffer's end";
if (size > len) {
dbgAssertOpt(size <= len) << alert << "Cannot set a new start of buffer after the buffer's end";
return;
}
truncateHead(len - size);
}