Esempio n. 1
0
static int mmf_write_header(AVFormatContext *s)
{
    MMFContext *mmf = s->priv_data;
    ByteIOContext *pb = s->pb;
    int64_t pos;
    int rate;

    rate = mmf_rate_code(s->streams[0]->codec->sample_rate);
    if(rate < 0) {
        av_log(s, AV_LOG_ERROR, "Unsupported sample rate %d\n", s->streams[0]->codec->sample_rate);
        return -1;
    }

    put_tag(pb, "MMMD");
    put_be32(pb, 0);
    pos = start_tag(pb, "CNTI");
    put_byte(pb, 0); /* class */
    put_byte(pb, 0); /* type */
    put_byte(pb, 0); /* code type */
    put_byte(pb, 0); /* status */
    put_byte(pb, 0); /* counts */
    put_tag(pb, "VN:libavcodec,"); /* metadata ("ST:songtitle,VN:version,...") */
    end_tag_be(pb, pos);

    put_buffer(pb, "ATR\x00", 4);
    put_be32(pb, 0);
    mmf->atrpos = url_ftell(pb);
    put_byte(pb, 0); /* format type */
    put_byte(pb, 0); /* sequence type */
    put_byte(pb, (0 << 7) | (1 << 4) | rate); /* (channel << 7) | (format << 4) | rate */
    put_byte(pb, 0); /* wave base bit */
    put_byte(pb, 2); /* time base d */
    put_byte(pb, 2); /* time base g */

    put_tag(pb, "Atsq");
    put_be32(pb, 16);
    mmf->atsqpos = url_ftell(pb);
    /* Will be filled on close */
    put_buffer(pb, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16);

    mmf->awapos = start_tag(pb, "Awa\x01");

    av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);

    put_flush_packet(pb);

    return 0;
}
Esempio n. 2
0
static void
writeText( ByteStream & str_out,
            const GUTF8String &textUTF8,
            const DjVuTXT::Zone &zone,
            const int WindowHeight )
{
//  DEBUG_MSG( "--zonetype=" << zone.ztype << "\n" );

  const GUTF8String xindent(indent( 2 * zone.ztype + 2 ));
  GPosition pos=zone.children;
  // Build attribute string
  if( ! pos )
  {
    GUTF8String coords;
    coords.format("coords=\"%d,%d,%d,%d\"",
      zone.rect.xmin, WindowHeight - 1 - zone.rect.ymin,
      zone.rect.xmax, WindowHeight - 1 - zone.rect.ymax);
    const int start=zone.text_start;
    const int end=textUTF8.firstEndSpace(start,zone.text_length);
    str_out.writestring(start_tag(zone.ztype,coords));
    str_out.writestring(textUTF8.substr(start,end-start).toEscaped());
    str_out.writestring(end_tag(zone.ztype));
  } else
  {
    writeText(str_out,textUTF8,zone.ztype,zone.children,WindowHeight);
  }
}
Esempio n. 3
0
void tag_update( void )
{
    char                    buf[MAX_STRING_LENGTH];

    if ( tag_game.next > 0 && tag_game.status == TAG_OFF ) {
    }
    else if ( tag_game.status == TAG_ISWAIT ) {
        tag_game.timer--;

        if ( tag_game.timer > 0 ) {
            sprintf( buf, "&R[&WEvento de congelación&R] &C%d minuto%s para comenzar.",
                     tag_game.timer, tag_game.timer == 1 ? "" : "s" );
            tag_channel( NULL, buf );
        }
        else {
            if ( tag_game.playing < 2 ) {
                end_tag(  );
                sprintf( buf,
                         "&R[&WEvento de congelación&R] &Cno hay suficientes personas para jugar. Juego cancelado." );
                tag_channel( NULL, buf );
                return;
            }
            else
                start_tag(  );
        }
    }
    else if ( tag_game.status == TAG_ISPLAY ) {
        if ( tag_game.playing == 0 ) {
            end_tag(  );
            sprintf( buf,
                     "&R[&WEvento de congelación&R] &CNo Nadie juega esta partida, siguiente juego en %d minutos.",
                     tag_game.next );
            tag_channel( NULL, buf );
            return;
        }
        switch ( tag_game.timer ) {
            case 0:
                end_tag(  );
                sprintf( buf,
                         "&R[&WEvento de congelación&R] &Ctiempo para el próximo juego: %d minutos.",
                         tag_game.next );
                tag_channel( NULL, buf );
                return;

            case 1:
            case 2:
            case 3:
            case 4:
            case 5:
            case 10:
            case 15:
                sprintf( buf, "&R[&WEvento de congelación&R]&Y %d &C minuto%s restantes.",
                         tag_game.timer, tag_game.timer > 1 ? "s" : "" );
                tag_channel( NULL, buf );
            default:
                tag_game.timer--;
                break;
        }
    }
}
Esempio n. 4
0
static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
                                   const char* riff_tag, const char* list_tag)
{
    offset_t loff;
    int i;

    avi->riff_id++;
    for (i=0; i<MAX_STREAMS; i++)
         avi->indexes[i].entry = 0;

    avi->riff_start = start_tag(pb, "RIFF");
    put_tag(pb, riff_tag);
    loff = start_tag(pb, "LIST");
    put_tag(pb, list_tag);
    return loff;
}
Esempio n. 5
0
void inline parse_collection(FILE *collection) {
	char *buffer = new char[BUF_SIZE];
	int size = 0;
    
    begin_indexing();

	char c = getc(collection);
	while (c != EOF) {
	    size = 0;
		// Token 
		if (c == '<') {
			c = getc(collection);
			// End Tag
			if (c == '/') {
			    c = getc(collection);
				while (c != '>' && isalnum(c)) {
					buffer[size++] = c;
					c = getc(collection);
				}
                if (c == '>') {
                    buffer[size] = '\0';
                    end_tag(buffer);
                } else {
                    printf("End tag error\n");
                }
               
			// Start Tag
			} else {
				while (c != '>' && isalnum(c)) {
					buffer[size++] = c;
					c = getc(collection);
				}
                if (c == '>') {
                    buffer[size] = '\0';
                    start_tag(buffer);
                } else {
                    printf("End tag error\n");
                }
			}
		}

		// Words
		// This is lazy, I know; but ambiguous cases are a nearly bottomless rabbit hole.
        // Furthermore, the WSJ doesn't escape & properly, so nither do I.
		if (isalpha(c)) {
			do {
			    buffer[size++] = tolower(c);
			    c = getc(collection);
			} while(isalpha(c));
			buffer[size] = '\0';
            word(buffer);
            continue;
		}
        c = getc(collection);
    }
    end_indexing();
}
Esempio n. 6
0
void config_write_start_tag(struct writeconfig *wc,
			    const char *entity, GHashTable *attr)
{
     GString *outstr = g_string_sized_new(128);

     start_tag(outstr, entity, attr);
     g_string_append(outstr, "\n");

     config_write(wc, outstr->str);
     g_string_free(outstr, TRUE);
}
Esempio n. 7
0
void
DjVuTXT::writeText(ByteStream &str_out,const int height) const
{
  if(has_valid_zones())
  {
    ::writeText(str_out,textUTF8,DjVuTXT::PAGE,page_zone.children,height);
  }else
  {
    str_out.writestring(start_tag(DjVuTXT::PAGE));
    str_out.writestring(end_tag(DjVuTXT::PAGE));
  }
}
Esempio n. 8
0
void config_write_int(struct writeconfig *wc, int value, const char *entity,
		      GHashTable *attr)
{
     GString *outstr = g_string_sized_new(128);

     start_tag(outstr, entity, attr);
     g_string_sprintfa(outstr, "%d", value);
     end_tag(outstr, entity);

     config_write(wc, outstr->str);
     g_string_free(outstr, TRUE);
}
Esempio n. 9
0
static int wav_write_header(AVFormatContext *s)
{
    WAVContext *wav = s->priv_data;
    ByteIOContext *pb = s->pb;
    int64_t fmt, fact;

    put_tag(pb, "RIFF");
    put_le32(pb, 0); /* file length */
    put_tag(pb, "WAVE");

    /* format header */
    fmt = start_tag(pb, "fmt ");
    if (put_wav_header(pb, s->streams[0]->codec) < 0) {
        av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
               s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
        av_free(wav);
        return -1;
    }
    end_tag(pb, fmt);

    if(s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
       && !url_is_streamed(s->pb)) {
        fact = start_tag(pb, "fact");
        put_le32(pb, 0);
        end_tag(pb, fact);
    }

    av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
    wav->maxpts = wav->last_duration = 0;
    wav->minpts = INT64_MAX;

    /* data header */
    wav->data = start_tag(pb, "data");

    put_flush_packet(pb);

    return 0;
}
Esempio n. 10
0
static GUTF8String
tolayer(int &layer, const DjVuTXT::ZoneType next_layer)
{
  GUTF8String retval;
  for( ;layer < (int)next_layer;layer++ )
  {
    retval+=start_tag(layer);
  }
  while (layer > (int)next_layer )
  {
    retval+=end_tag(--layer);
  }
  return retval;
}
Esempio n. 11
0
	// xml_output_stream interface
	void write(xml_event const& ev)
	{
		switch( ev.type ) {
		case xml_event::START_ELEMENT:
			start_tag(ev.content, ev.attributes);
			break;
		case xml_event::END_ELEMENT:
			end_tag(ev.content);
			break;
		case xml_event::CDATA:
			char_data(ev.content);
			break;
		default:
			assert(false);
		}
	}
Esempio n. 12
0
static int avi_write_idx1(AVFormatContext *s)
{
    ByteIOContext *pb = &s->pb;
    AVIContext *avi = s->priv_data;
    offset_t idx_chunk;
    int i;
    char tag[5];

    if (!url_is_streamed(pb)) {
        AVIIentry* ie = 0, *tie;
        int entry[MAX_STREAMS];
        int empty, stream_id = -1;

        idx_chunk = start_tag(pb, "idx1");
        memset(&entry[0], 0, sizeof(entry));
        do {
            empty = 1;
            for (i=0; i<s->nb_streams; i++) {
                 if (avi->indexes[i].entry <= entry[i])
                     continue;

                 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
                 if (empty || tie->pos < ie->pos) {
                     ie = tie;
                     stream_id = i;
                 }
                 empty = 0;
            }
            if (!empty) {
                avi_stream2fourcc(&tag[0], stream_id,
                                  s->streams[stream_id]->codec->codec_type);
                put_tag(pb, &tag[0]);
                put_le32(pb, ie->flags);
                put_le32(pb, ie->pos);
                put_le32(pb, ie->len);
                entry[stream_id]++;
            }
        } while (!empty);
        end_tag(pb, idx_chunk);

        avi_write_counters(s, avi->riff_id);
    }
    return 0;
}
Esempio n. 13
0
void config_write_string(struct writeconfig *wc,
			 const char *value,
			 const char *entity, GHashTable *attr)
{
     GString *outstr = g_string_sized_new(1024);
     gunichar c;

     start_tag(outstr, entity, attr);

     for(c = g_utf8_get_char(value); c ;
	 value = g_utf8_next_char(value), c = g_utf8_get_char(value)) {
	  switch(c) {
	  case '<':
	       g_string_append(outstr, "&lt;");
	       break;
	  case '>':
	       g_string_append(outstr, "&gt;");
	       break;
	  case '&':
	       g_string_append(outstr, "&amp;");
	       break;
	  case '\'':
	       g_string_append(outstr, "&apos;");
	       break;
	  case '"':
	       g_string_append(outstr, "&quot;");
	       break;
	  default:
	       g_string_append_unichar(outstr, c);
	  }
     }

     end_tag(outstr, entity);
     config_write(wc, outstr->str);

     g_string_free(outstr, TRUE);
}
Esempio n. 14
0
File: parse.c Progetto: okey/431
void parse(FILE *stream) {
   char buffer[MAX_WORD_LEN];
   int c = 0, index = 0;

   while (EOF != (c = tolower(getc(stream)))) {
      switch (c) {
      case '<': /* Tags */
         /* End the current word */
         if (index) {
            buffer[index] = '\0';
            clean_word(buffer);
            word(buffer);
            index = 0;
         }
         /* Get the next character and decide what to do next */
         c = getc(stream); /* Case doesn't matter here */
         switch (c) {
         case '/': /* End tags */
            tag_section(buffer, stream);
            end_tag(buffer);
            break;
         default: /* Start tags */
            c = ungetc(c, stream);
            if (EOF != c) {
               tag_section(buffer, stream);
               start_tag(buffer);
            }
            break;
         }
         break;
      case '&': /* Entity references */
         entity_ref(stream);
         /*if (39 == entity_ref(stream)) ungetc(39, stream);*/
         break;
      default: /* Plain text */
         if (index == MAX_WORD_LEN) {
            fprintf(stderr, "Maximum word length exceeded!\n");
            exit(EXIT_FAILURE);
         }

         if (isalnum(c) || c == 39) {
            if (c != 39 || index) { /* no ' allowed at the start */
               buffer[index++] = c;
            }
         } else if (index) {
            buffer[index] = '\0';
            clean_word(buffer);
            word(buffer);
            index = 0;
         }
         break;
      }
   }

   if (!feof(stream)) {
      /* Stop due to an error! */
      perror("Parsing failure");
      exit(EXIT_FAILURE);
   }

}
Esempio n. 15
0
static int avi_write_header(AVFormatContext *s)
{
    AVIContext *avi = s->priv_data;
    ByteIOContext *pb = &s->pb;
    int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
    AVCodecContext *stream, *video_enc;
    offset_t list1, list2, strh, strf;

    /* header list */
    avi->riff_id = 0;
    list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");

    /* avi header */
    put_tag(pb, "avih");
    put_le32(pb, 14 * 4);
    bitrate = 0;

    video_enc = NULL;
    for(n=0;n<s->nb_streams;n++) {
        stream = s->streams[n]->codec;
        bitrate += stream->bit_rate;
        if (stream->codec_type == CODEC_TYPE_VIDEO)
            video_enc = stream;
    }

    nb_frames = 0;

    if(video_enc){
        put_le32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
    } else {
        put_le32(pb, 0);
    }
    put_le32(pb, bitrate / 8); /* XXX: not quite exact */
    put_le32(pb, 0); /* padding */
    if (url_is_streamed(pb))
        put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
    else
        put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
    avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
    put_le32(pb, nb_frames); /* nb frames, filled later */
    put_le32(pb, 0); /* initial frame */
    put_le32(pb, s->nb_streams); /* nb streams */
    put_le32(pb, 1024 * 1024); /* suggested buffer size */
    if(video_enc){
        put_le32(pb, video_enc->width);
        put_le32(pb, video_enc->height);
    } else {
        put_le32(pb, 0);
        put_le32(pb, 0);
    }
    put_le32(pb, 0); /* reserved */
    put_le32(pb, 0); /* reserved */
    put_le32(pb, 0); /* reserved */
    put_le32(pb, 0); /* reserved */

    /* stream list */
    for(i=0;i<n;i++) {
        list2 = start_tag(pb, "LIST");
        put_tag(pb, "strl");

        stream = s->streams[i]->codec;

        /* FourCC should really be set by the codec itself */
        if (! stream->codec_tag) {
            stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
        }

        /* stream generic header */
        strh = start_tag(pb, "strh");
        switch(stream->codec_type) {
        case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
        case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
//        case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
        case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
        }
        if(stream->codec_type == CODEC_TYPE_VIDEO)
            put_le32(pb, stream->codec_tag);
        else
            put_le32(pb, 1);
        put_le32(pb, 0); /* flags */
        put_le16(pb, 0); /* priority */
        put_le16(pb, 0); /* language */
        put_le32(pb, 0); /* initial frame */

        ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);

        put_le32(pb, au_scale); /* scale */
        put_le32(pb, au_byterate); /* rate */
        av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);

        put_le32(pb, 0); /* start */
        avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
        if (url_is_streamed(pb))
            put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
        else
            put_le32(pb, 0); /* length, XXX: filled later */

        /* suggested buffer size */ //FIXME set at the end to largest chunk
        if(stream->codec_type == CODEC_TYPE_VIDEO)
            put_le32(pb, 1024 * 1024);
        else if(stream->codec_type == CODEC_TYPE_AUDIO)
            put_le32(pb, 12 * 1024);
        else
            put_le32(pb, 0);
        put_le32(pb, -1); /* quality */
        put_le32(pb, au_ssize); /* sample size */
        put_le32(pb, 0);
        put_le16(pb, stream->width);
        put_le16(pb, stream->height);
        end_tag(pb, strh);

      if(stream->codec_type != CODEC_TYPE_DATA){
        strf = start_tag(pb, "strf");
        switch(stream->codec_type) {
        case CODEC_TYPE_VIDEO:
            put_bmp_header(pb, stream, codec_bmp_tags, 0);
            break;
        case CODEC_TYPE_AUDIO:
            if (put_wav_header(pb, stream) < 0) {
                av_free(avi);
                return -1;
            }
            break;
        default:
            return -1;
        }
        end_tag(pb, strf);
      }

        if (!url_is_streamed(pb)) {
            unsigned char tag[5];
            int j;

            /* Starting to lay out AVI OpenDML master index.
             * We want to make it JUNK entry for now, since we'd
             * like to get away without making AVI an OpenDML one
             * for compatibility reasons.
             */
            avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
            avi->indexes[i].indx_start = start_tag(pb, "JUNK");
            put_le16(pb, 4);        /* wLongsPerEntry */
            put_byte(pb, 0);        /* bIndexSubType (0 == frame index) */
            put_byte(pb, 0);        /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
            put_le32(pb, 0);        /* nEntriesInUse (will fill out later on) */
            put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
                                    /* dwChunkId */
            put_le64(pb, 0);        /* dwReserved[3]
            put_le32(pb, 0);           Must be 0.    */
            for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
                 put_le64(pb, 0);
            end_tag(pb, avi->indexes[i].indx_start);
        }

        end_tag(pb, list2);
    }

    if (!url_is_streamed(pb)) {
        /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
        avi->odml_list = start_tag(pb, "JUNK");
        put_tag(pb, "odml");
        put_tag(pb, "dmlh");
        put_le32(pb, 248);
        for (i = 0; i < 248; i+= 4)
             put_le32(pb, 0);
        end_tag(pb, avi->odml_list);
    }

    end_tag(pb, list1);

    list2 = start_tag(pb, "LIST");
    put_tag(pb, "INFO");
    avi_write_info_tag(pb, "INAM", s->title);
    avi_write_info_tag(pb, "IART", s->author);
    avi_write_info_tag(pb, "ICOP", s->copyright);
    avi_write_info_tag(pb, "ICMT", s->comment);
    avi_write_info_tag(pb, "IPRD", s->album);
    avi_write_info_tag(pb, "IGNR", s->genre);
    if (s->track) {
        char str_track[4];
        snprintf(str_track, 4, "%d", s->track);
        avi_write_info_tag(pb, "IPRT", str_track);
    }
    if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
        avi_write_info_tag(pb, "ISFT", LIBAVFORMAT_IDENT);
    end_tag(pb, list2);

    /* some padding for easier tag editing */
    list2 = start_tag(pb, "JUNK");
    for (i = 0; i < 1016; i += 4)
        put_le32(pb, 0);
    end_tag(pb, list2);

    avi->movi_list = start_tag(pb, "LIST");
    put_tag(pb, "movi");

    put_flush_packet(pb);

    return 0;
}
Esempio n. 16
0
static int avi_write_idx1(AVFormatContext *s)
{
    ByteIOContext *pb = &s->pb;
    AVIContext *avi = s->priv_data;
    offset_t file_size, idx_chunk;
    int i, n, nb_frames, au_byterate, au_ssize, au_scale;
    AVCodecContext *stream;
    unsigned char tag[5];

    if (!url_is_streamed(pb)) {
	AVIIentry* ie = 0, *tie;
	int entry[MAX_STREAMS];
	int empty, stream_id = -1;

	idx_chunk = start_tag(pb, "idx1");
	memset(&entry[0], 0, sizeof(entry));
	do {
	    empty = 1;
	    for (i=0; i<s->nb_streams; i++) {
	         if (avi->indexes[i].entry <= entry[i])
		     continue;
		 
		 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
		 if (empty || tie->pos < ie->pos) {
		     ie = tie; 
		     stream_id = i;
		 }
		 empty = 0;
	    }
	    if (!empty) {
	        avi_stream2fourcc(&tag[0], stream_id, 
		                  s->streams[stream_id]->codec.codec_type); 
	        put_tag(pb, &tag[0]);
		put_le32(pb, ie->flags);
                put_le32(pb, ie->pos);
                put_le32(pb, ie->len);
		entry[stream_id]++;
	    }
	} while (!empty);
	end_tag(pb, idx_chunk);

        /* Fill in frame/sample counters */
	file_size = url_ftell(pb);
        nb_frames = 0;
        for(n=0;n<s->nb_streams;n++) {
            if (avi->frames_hdr_strm[n] != 0) {
                stream = &s->streams[n]->codec;
                url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
                if (stream->codec_type == CODEC_TYPE_VIDEO) {
                    put_le32(pb, stream->frame_number); 
                    if (nb_frames < stream->frame_number)
                        nb_frames = stream->frame_number;
                } else {
                    if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
                        put_le32(pb, stream->frame_number);
                        nb_frames += stream->frame_number;
                    } else {
                        parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
                        put_le32(pb, avi->audio_strm_length[n] / au_ssize);
                    }
                }
            }
       }
       if (avi->frames_hdr_all != 0) {
           url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
           put_le32(pb, nb_frames); 
       }
       url_fseek(pb, file_size, SEEK_SET);
    }
    return 0;
}
Esempio n. 17
0
    void xml_writer_impl::write_element(const variant& element)
    {
        try
        {
            if (element.is<variant::Collection>() && element.empty() && element.type() != variant::DataTable)
            {
                write_empty_element();
                return;
            }

            switch(element.type())
            {
            case variant::None:
            {
                write_empty_element();
                break;
            }
            case variant::Any:
            case variant::String:
            {
                if (element.as<std::string>().empty())
                {
                    write_empty_element();
                    break;
                }
            }
            case variant::Float:
            case variant::Double:
            case variant::Int32:
            case variant::UInt32:
            case variant::Int64:
            case variant::UInt64:
            case variant::Boolean:
            case variant::Date:
            case variant::Time:
            case variant::DateTime:
            {
                m_os << start_tag();
                write_text(element);
                m_os << end_tag();
                break;
            }
            case variant::Dictionary:
            case variant::Bag:
            {
                if ((m_mode & xml_mode::Preserve)!=0)
                {
                    if (element.has_key(xml_attributes))
                    {
                        m_stack.top().m_attributes = element[xml_attributes];

                        if (element.size()==1)
                        {
                            write_empty_element();
                            break;
                        }
                    }

                    m_os << start_tag();

                    bool prev_is_text = false;
                    variant::const_iterator it, end(element.end());
                    for (it=element.begin(); it!=end; ++it)
                    {
                        if (it.key()==xml_attributes)
                        {
                            continue;
                        }
                        else if (it.key()==xml_text)
                        {
                            write_text(it.value());
                            prev_is_text = true;
                        }
                        else if (it.key()==xml_instruction)
                        {
                            push(it.key());

                            if (!prev_is_text)
                            {
                                m_os << indent();
                            }

                            write_instruction(it.value());

                            prev_is_text = false;

                            pop();
                        }
                        else if (it.key()==xml_comment)
                        {
                            push(it.key());

                            if (!prev_is_text)
                            {
                                m_os << indent();
                            }

                            write_comment(it.value());

                            prev_is_text = false;

                            pop();
                        }
                        else
                        {
                            push(it.key());

                            if (!prev_is_text)
                            {
                                m_os << indent();
                            }

                            write_element(it.value());

                            prev_is_text = false;

                            pop();
                        }
                    }

                    if (!prev_is_text)
                    {
                        m_os << indent();
                    }

                    m_os << end_tag();
                }
                else
                {
                    m_os << start_tag();

                    variant::const_iterator it, end(element.end());
                    for (it=element.begin(); it!=end; ++it)
                    {
                        push(it.key());

                        m_os << indent();
                        write_variant(it.value());

                        pop();
                    }

                    m_os << indent() << end_tag();
                }

                break;
            }
            case variant::List:
            {
                m_os << start_tag();

                BOOST_FOREACH(const variant& item, element)
                {
                    push();
                    m_os << indent();
                    write_variant(item);
                    pop();
                }

                m_os << indent();
                m_os << end_tag();

                break;
            }
            case variant::Tuple:
            {
                m_stack.top().m_attributes.insert("size", variant(element.size()));
                m_os << start_tag();

                BOOST_FOREACH(const variant& item, element)
                {
                    push();
                    m_os << indent();
                    write_variant(item);
                    pop();
                }

                m_os << indent();
                m_os << end_tag();
                break;
            }
            case variant::TimeSeries:
            {
                m_os << start_tag();

                variant::const_iterator it, end = element.end();
                for (it=element.begin(); it!=end; ++it)
                {
                    push().insert("time", variant(it.time()));
                    m_os << indent();
                    write_variant(it.value());
                    pop();
                }

                m_os << indent();
                m_os << end_tag();
                break;
            }
            case variant::DataTable:
            {
                const data_table& dt = element.m_value.get<variant::DataTable>();

                m_stack.top().m_attributes
                    .insert("rows",    variant(dt.size()))
                    .insert("columns", variant(dt.columns().size()));
                m_os << start_tag();

                if (!dt.columns().empty())
                {
                    push("Columns");
                    m_os << indent() << start_tag();

                    for (data_table::column_container_type::const_iterator column_iter = dt.columns().begin()
                           ; column_iter != dt.columns().end()
                           ; ++column_iter)
                    {
                        push("Column")
                            .insert("name", variant(column_iter->name()))
                            .insert("type", variant(variant::enum_to_string(column_iter->type())));
                        m_os << indent();
                        write_empty_element();
                        pop();
                    }

                    m_os << indent() << end_tag();
                    pop();
                }

                for (data_table::column_container_type::const_iterator column_iter = dt.columns().begin()
                       ; column_iter != dt.columns().end()
                       ; ++column_iter)
                {
                    push("Column").insert("name", variant(column_iter->name()));
                    m_os << indent() << start_tag();

                    if (column_iter->type() & variant_base::Primitive)
                    {
                        boost::scoped_ptr<data_table_column_writer> column_writer(
                            make_data_table_column_stream_writer(*column_iter, m_os)
                        );

                        while (column_writer->has_next())
                        {
                            push("V");
                            m_os << indent() << start_tag();
                            column_writer->write();
                            m_os << end_tag();
                            pop();

                            column_writer->advance();
                        }
                    }
                    else
                    {
                        variant::const_iterator iter(column_iter->begin());
                        variant::const_iterator end(column_iter->end());
                        while (iter != end)
                        {
                            push("V");
                            m_os << indent();
                            write_variant(*(iter++));
                            pop();
                        }
                    }

                    m_os << indent() << end_tag();
                    pop();
                }

                m_os << indent();
                m_os << end_tag();

                break;
            }
            case variant::Buffer:
            {
                m_os << start_tag();
                const void *data = element.as<void*>();
                size_t size = element.size();
                if (data!=nullptr && size>0)
                {
                    unsigned int n = 0;
                    boost::scoped_ptr<char> b64(detail::b64_encode((const char*)data, (unsigned int)size, &n));
                    if (!b64.get())
                    {
                        boost::throw_exception(variant_error("Unable to base64 encode data"));
                    }
                    m_os << b64.get();
                }
                m_os << end_tag();
                break;
            }
            case variant::Object:
            {
                const object& obj(element.as<object>());

                // write class name
                m_stack.top().m_attributes
                    .insert("class", variant(obj.name()))
                    .insert("version", variant(obj.version()));

                m_os << start_tag();

                // write parameter dictionary
                variant params;
                obj.deflate(params);
                push("params");
                m_os << indent();
                write_variant(params);
                pop();

                m_os << indent();
                m_os << end_tag();

                break;
            }
            case variant::Exception:
            {
                m_os << start_tag();

                exception_data e(element.as<exception_data>());

                push("type");
                m_os << indent();
                write_element(variant(e.type()));
                pop();
                
                push("message");
                m_os << indent();
                write_element(variant(e.message()));
                pop();

                if (!e.source().empty())
                {
                    push("source");
                    m_os << indent();
                    write_element(variant(e.source()));
                    pop();
                }

                if (!e.stack().empty())
                {
                    push("stack");
                    m_os << indent();
                    write_element(variant(e.stack()));
                    pop();
                }

                m_os << indent();
                m_os << end_tag();
                break;
            }
            case variant::Array:
            {
                const typed_array& a(element.as<typed_array>());
                m_stack.top().m_attributes
                    .insert("size", variant(a.size()))
                    .insert("type", variant(variant::enum_to_string(a.type())));
                
                m_os << start_tag();

                for (size_t i=0; i<a.size(); ++i)
                {
                    push();
                    m_os << indent();
                    write_element(variant(a[i]));
                    pop();
                }

                m_os << indent();
                m_os << end_tag();
                break;
            }
            default:
                 boost::throw_exception(variant_error("Case exhaustion: " + variant::enum_to_string(element.type()))); 
            }
Esempio n. 18
0
static inline GUTF8String
start_tag(const int layer)
{
  return start_tag((const DjVuTXT::ZoneType)layer);
}