62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#include "nsid3v2.h"
|
|
#include "nsid3v2/header.h"
|
|
#include "nsid3v2/tag.h"
|
|
#include "nsid3v2/frame_utils.h"
|
|
#include "nu/ByteReader.h"
|
|
#include "nx/nxstring.h"
|
|
#if defined(_WIN32) && !defined(strcasecmp)
|
|
#define strcasecmp _stricmp
|
|
#else
|
|
#include <strings.h>
|
|
#endif
|
|
|
|
|
|
struct ParsedPrivate
|
|
{
|
|
ParsedString owner;
|
|
const void *private_data;
|
|
size_t private_byte_length;
|
|
};
|
|
|
|
static int ParsePrivate(const void *data, size_t data_len, ParsedPrivate &parsed)
|
|
{
|
|
if (data_len == 0)
|
|
return NErr_Insufficient;
|
|
|
|
bytereader_value_t byte_reader;
|
|
bytereader_init(&byte_reader, data, data_len);
|
|
|
|
int ret = ParseNullTerminatedString(&byte_reader, 0, parsed.owner);
|
|
if (ret != NErr_Success)
|
|
return ret;
|
|
|
|
parsed.private_data = bytereader_pointer(&byte_reader);
|
|
parsed.private_byte_length = bytereader_size(&byte_reader);
|
|
|
|
return NErr_Success;
|
|
}
|
|
|
|
int NSID3v2_Frame_Private_Get(const nsid3v2_frame_t f, nx_string_t *description, const void **out_data, size_t *length)
|
|
{
|
|
const ID3v2::Frame *frame = (const ID3v2::Frame *)f;
|
|
if (frame)
|
|
{
|
|
const void *data;
|
|
size_t data_len;
|
|
ParsedPrivate parsed;
|
|
if (frame->GetData(&data, &data_len) == NErr_Success && data_len > 0 && ParsePrivate(data, data_len, parsed) == NErr_Success)
|
|
{
|
|
int ret = NXStringCreateFromParsedString(description, parsed.owner, 0);
|
|
if (ret != NErr_Success)
|
|
return ret;
|
|
|
|
*out_data = parsed.private_data;
|
|
*length = parsed.private_byte_length;
|
|
|
|
return NErr_Success;
|
|
}
|
|
|
|
}
|
|
return NErr_Empty;
|
|
}
|