www.pudn.com > eMule0.47c-Sources.zip > demo_convert.cpp

// $Id: demo_convert.cpp,v 1.15 2002/06/27 12:46:55 t1mpy Exp $ 
// 
//  The authors have released ID3Lib as Public Domain (PD) and claim no 
//  copyright, patent or other intellectual property protection in this work. 
//  This means that it may be modified, redistributed and used in commercial 
//  and non-commercial software and hardware without restrictions.  ID3Lib is 
//  distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either 
//  express or implied. 
//   
//  The ID3Lib authors encourage improvements and optimisations to be sent to 
//  the ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org).  Approved 
//  submissions may be altered, and will be included and released under these 
//  terms. 
 
#ifdef HAVE_CONFIG_H 
#  include  
#endif 
 
#include  
#include "id3/id3lib_streams.h" 
#include "id3/tag.h" 
#include "demo_convert_options.h" 
 
using std::cout; 
using std::endl; 
 
static const char* VERSION_NUMBER = "$Revision: 1.15 $"; 
 
void PrintUsage(const char *sName) 
{ 
  cout << "Converts between id3v1 and id3v2 tags of an mp3 file." << endl; 
  cout << endl; 
  cout << "Will render both types of tag by default.  Only the last" << endl 
       << "tag type indicated in the option list will be used.  Non-" << endl 
       << "rendered will remain unchanged in the original file.  Will" << endl 
       << "also parse and convert Lyrics3 v2.0 frames, but will not" << endl 
       << "render them." << endl; 
} 
 
void PrintVersion(const char *sName) 
{ 
  size_t nIndex; 
  cout << sName << " "; 
  for (nIndex = 0; nIndex < strlen(VERSION_NUMBER); nIndex++) 
  { 
    if (VERSION_NUMBER[nIndex] == ' ')  
    { 
      break; 
    } 
  } 
  nIndex++; 
  for (; nIndex < strlen (VERSION_NUMBER); nIndex++) 
  { 
    if (VERSION_NUMBER[nIndex] == ' ')  
    { 
      break; 
    } 
    cout << VERSION_NUMBER[nIndex]; 
  } 
  cout << endl; 
  cout << "Uses " << ID3LIB_FULL_NAME << endl << endl; 
 
  cout << "This program converts and strips ID3v1/1.1 and Lyrics3 v2.0" << endl; 
  cout << "tags to ID3v2 tags." << endl << endl; 
} 
 
void DisplayTags(ostream &os, luint nTags) 
{ 
  if (!((nTags & ID3TT_ID3V1) || (nTags & ID3TT_ID3V2))) 
  { 
    os << "no tag"; 
  } 
  if (nTags & ID3TT_ID3V1) 
  { 
    os << "v1"; 
  } 
  if ((nTags & ID3TT_ID3V1) && (nTags & ID3TT_ID3V2)) 
  { 
    os << " and "; 
  } 
  if (nTags & ID3TT_ID3V2) 
  { 
    os << "v2"; 
  } 
} 
 
int main( unsigned int argc, char * const argv[]) 
{ 
  flags_t ulFlag = ID3TT_ALL; 
  gengetopt_args_info args; 
 
  if (cmdline_parser(argc, argv, &args) != 0) 
  { 
    exit(1); 
  } 
 
#if defined ID3_ENABLE_DEBUG 
  if (args.warning_flag) 
  { 
    ID3D_INIT_WARNING(); 
    ID3D_WARNING ( "warnings turned on" ); 
  } 
  if (args.notice_flag) 
  { 
    ID3D_INIT_NOTICE(); 
    ID3D_NOTICE ( "notices turned on" ); 
  } 
#endif 
 
  if (args.v1tag_flag) 
  { 
    ulFlag = ID3TT_ID3V1; 
  } 
 
  if (args.v2tag_flag) 
  { 
    ulFlag = ID3TT_ID3V2; 
  } 
 
 
  const char* filename = NULL; 
  for (size_t i = 0; i < args.inputs_num; ++i) 
  { 
    filename = args.inputs[i]; 
    ID3_Tag myTag; 
     
    if (args.strip_given) 
    { 
      cout << "Stripping "; 
    } 
    else 
    { 
      cout << "Converting "; 
    } 
    cout << filename << ": "; 
     
    myTag.Clear(); 
    myTag.Link(filename, ID3TT_ALL); 
    myTag.SetPadding(args.padding_flag); 
     
    cout << "attempting "; 
    DisplayTags(cout, ulFlag); 
    luint nTags; 
     
    if (args.strip_flag) 
    { 
      nTags = myTag.Strip(ulFlag); 
      cout << ", stripped "; 
    } 
    else 
    { 
      nTags = myTag.Update(ulFlag); 
      cout << ", converted "; 
    } 
     
    DisplayTags(cout, nTags); 
    cout << endl; 
  } 
   
  return 0; 
}