* Copyright 2013, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef PATH_BUFFER_H
#define PATH_BUFFER_H
#include <string.h>
#include <algorithm>
namespace {
struct PathBuffer {
PathBuffer()
:
fBuffer(NULL),
fSize(0),
fLength(0)
{
}
PathBuffer(char* buffer, size_t size, size_t length = 0)
{
SetTo(buffer, size, length);
}
void SetTo(char* buffer, size_t size, size_t length = 0)
{
fBuffer = buffer;
fSize = size;
fLength = length;
if (fLength < fSize)
fBuffer[fLength] = '\0';
}
bool Append(const char* toAppend, size_t length)
{
if (length > 0 && fLength + 1 < fSize) {
size_t toCopy = std::min(length, fSize - fLength - 1);
memcpy(fBuffer + fLength, toAppend, toCopy);
fBuffer[fLength + toCopy] = '\0';
}
fLength += length;
return fLength < fSize;
}
bool Append(const char* toAppend)
{
return Append(toAppend, strlen(toAppend));
}
bool Append(char c)
{
return Append(&c, 1);
}
size_t Length() const
{
return fLength;
}
private:
char* fBuffer;
size_t fSize;
size_t fLength;
};
}
#endif
