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Jef 2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit fc06254474
16440 changed files with 4239995 additions and 2 deletions
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95
Src/replicant/nsid3v2/frame_text.cpp Normal file
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#include "nsid3v2.h"
#include "nsid3v2/header.h"
#include "nsid3v2/tag.h"
#include "nu/ByteReader.h"
#include "nx/nxstring.h"
#include "nu/ByteWriter.h"
#include "nsid3v2/frame_utils.h"
static int ParseText(const void *data, size_t data_len, ParsedString &parsed)
{
if (data_len == 0)
return NErr_Insufficient;
bytereader_value_t byte_reader;
bytereader_init(&byte_reader, data, data_len);
return ParseFrameTerminatedString(&byte_reader, bytereader_read_u8(&byte_reader), parsed);
}
int NSID3v2_Frame_Text_Get(const nsid3v2_frame_t f, nx_string_t *value, int text_flags)
{
const ID3v2::Frame *frame = (const ID3v2::Frame *)f;
if (frame)
{
const void *data;
size_t data_len;
ParsedString parsed;
if (frame->GetData(&data, &data_len) == NErr_Success && data_len > 0 && ParseText(data, data_len, parsed) == NErr_Success)
{
return NXStringCreateFromParsedString(value, parsed, text_flags);
}
}
return NErr_Empty;
}
int NSID3v2_Tag_Text_Get(const nsid3v2_tag_t t, int frame_enum, nx_string_t *value, int text_flags)
{
const ID3v2::Tag *tag = (const ID3v2::Tag *)t;
if (!tag)
return NErr_Empty;
const ID3v2::Frame *frame = tag->FindFirstFrame(frame_enum);
return NSID3v2_Frame_Text_Get((const nsid3v2_frame_t)frame, value, text_flags);
}
/* ---------------- Setters ---------------- */
int NSID3v2_Frame_Text_Set(nsid3v2_frame_t f, nx_string_t value, int text_flags)
{
ID3v2::Frame *frame = (ID3v2::Frame *)f;
if (frame)
{
/* benski> for now, we're going to store UTF-16LE always. in the future, we'll add functions to NXString to determine a 'best' encoding */
size_t byte_count=0;
int ret = NXStringGetBytesSize(&byte_count, value, nx_charset_utf16le, 0);
if (ret != NErr_DirectPointer && ret != NErr_Success)
return ret;
void *data;
size_t data_len;
byte_count+=3; // need one byte for encoding type, two bytes for BOM
ret = frame->NewData(byte_count, &data, &data_len);
if (ret != NErr_Success)
return ret;
bytewriter_s byte_writer;
bytewriter_init(&byte_writer, data, data_len);
bytewriter_write_u8(&byte_writer, 1); /* mark as UTF-16LE */
bytewriter_write_u16_le(&byte_writer, 0xFEFF); /* BOM */
size_t bytes_copied;
return NXStringGetBytes(&bytes_copied, value, bytewriter_pointer(&byte_writer), bytewriter_size(&byte_writer), nx_charset_utf16le, 0);
}
return NErr_Empty;
}
int NSID3v2_Tag_Text_Set(nsid3v2_tag_t t, int frame_enum, nx_string_t value, int text_flags)
{
ID3v2::Tag *tag = (ID3v2::Tag *)t;
if (!tag)
return NErr_Empty;
ID3v2::Frame *frame = tag->FindFirstFrame(frame_enum);
if (!frame)
{
frame = tag->NewFrame(frame_enum, 0);
if (!frame)
return NErr_OutOfMemory;
tag->AddFrame(frame);
}
return NSID3v2_Frame_Text_Set((nsid3v2_frame_t)frame, value, text_flags);
}