AudioFileSourceSdFs.cpp

#include "AudioFileSourceSdFs.h"
#include "PrintString.h"

AudioFileSourceSdFs::AudioFileSourceSdFs(SdFs& card)
	: card(card)
{
}

AudioFileSourceSdFs::AudioFileSourceSdFs(SdFs& card, const char* filename)
	: card(card)
{
	open(filename);
}

bool AudioFileSourceSdFs::open(const char* filename)
{
	f = card.open(filename, O_RDONLY);
	return f;
}

AudioFileSourceSdFs::~AudioFileSourceSdFs()
{
	if (f)
		f.close();
}

uint32_t AudioFileSourceSdFs::read(void* data, uint32_t len)
{
	if (!f)
		return 0;

	return f.read(static_cast<uint8_t*>(data), len);
}

bool AudioFileSourceSdFs::seek(int32_t pos, int dir)
{
	if (!f)
		return false;
	if (dir == SEEK_SET)
		return f.seek(pos);
	else if (dir == SEEK_CUR)
		return f.seek(f.position() + pos);
	else if (dir == SEEK_END)
		return f.seek(f.size() + pos);
	return false;
}

bool AudioFileSourceSdFs::close()
{
	if (!f)
		return false;

	f.close();
	return true;
}

bool AudioFileSourceSdFs::isOpen() { return f ? true : false; }

uint32_t AudioFileSourceSdFs::getSize()
{
	if (!f)
		return 0;

	return f.size();
}

uint32_t AudioFileSourceSdFs::getPos()
{
	if (!f)
		return 0;

	return f.position();
}

String AudioFileSourceSdFs::file_name() const
{
	if (!f)
		return {};

	PrintString base_name;
	const_cast<AudioFileSourceSdFs*>(this)->f.printName(&base_name);
	return base_name.getString();
}