1 /*****************************************************************************
2 * subsdec.c : text subtitles decoder
3 *****************************************************************************
4 * Copyright (C) 2000-2006 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@videolan.org>
8 * Samuel Hocevar <sam@zoy.org>
9 * Derk-Jan Hartman <hartman at videolan dot org>
10 * Bernie Purcell <bitmap@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
36 #include <vlc_codec.h>
37 #include <vlc_charset.h>
41 /*****************************************************************************
43 *****************************************************************************/
44 static const char *const ppsz_encodings[] = {
89 static const char *const ppsz_encoding_names[] = {
91 The character encoding name in parenthesis corresponds to that used for
92 the GetACP translation. "Windows-1252" applies to Western European
93 languages using the Latin alphabet. */
94 N_("Default (Windows-1252)"),
96 N_("Universal (UTF-8)"),
97 N_("Universal (UTF-16)"),
98 N_("Universal (big endian UTF-16)"),
99 N_("Universal (little endian UTF-16)"),
100 N_("Universal, Chinese (GB18030)"),
102 /* ISO 8859 and the likes */
104 N_("Western European (Latin-9)"), /* mostly superset of Latin-1 */
105 N_("Western European (Windows-1252)"),
107 N_("Eastern European (Latin-2)"),
108 N_("Eastern European (Windows-1250)"),
110 N_("Esperanto (Latin-3)"),
112 N_("Nordic (Latin-6)"), /* Latin 6 supersedes Latin 4 */
114 N_("Cyrillic (Windows-1251)"), /* ISO 8859-5 is not practically used */
115 N_("Russian (KOI8-R)"),
116 N_("Ukrainian (KOI8-U)"),
118 N_("Arabic (ISO 8859-6)"),
119 N_("Arabic (Windows-1256)"),
121 N_("Greek (ISO 8859-7)"),
122 N_("Greek (Windows-1253)"),
124 N_("Hebrew (ISO 8859-8)"),
125 N_("Hebrew (Windows-1255)"),
127 N_("Turkish (ISO 8859-9)"),
128 N_("Turkish (Windows-1254)"),
131 N_("Thai (TIS 620-2533/ISO 8859-11)"),
132 N_("Thai (Windows-874)"),
134 N_("Baltic (Latin-7)"),
135 N_("Baltic (Windows-1257)"),
136 /* 12 -> /dev/null */
138 N_("Celtic (Latin-8)"),
141 N_("South-Eastern European (Latin-10)"),
143 N_("Simplified Chinese (ISO-2022-CN-EXT)"),
144 N_("Simplified Chinese Unix (EUC-CN)"),
145 N_("Japanese (7-bits JIS/ISO-2022-JP-2)"),
146 N_("Japanese Unix (EUC-JP)"),
147 N_("Japanese (Shift JIS)"),
148 N_("Korean (EUC-KR/CP949)"),
149 N_("Korean (ISO-2022-KR)"),
150 N_("Traditional Chinese (Big5)"),
151 N_("Traditional Chinese Unix (EUC-TW)"),
152 N_("Hong-Kong Supplementary (HKSCS)"),
154 N_("Vietnamese (VISCII)"),
155 N_("Vietnamese (Windows-1258)"),
158 static const int pi_justification[] = { 0, 1, 2 };
159 static const char *const ppsz_justification_text[] = {
160 N_("Center"),N_("Left"),N_("Right")};
162 #define ENCODING_TEXT N_("Subtitles text encoding")
163 #define ENCODING_LONGTEXT N_("Set the encoding used in text subtitles")
164 #define ALIGN_TEXT N_("Subtitles justification")
165 #define ALIGN_LONGTEXT N_("Set the justification of subtitles")
166 #define AUTODETECT_UTF8_TEXT N_("UTF-8 subtitles autodetection")
167 #define AUTODETECT_UTF8_LONGTEXT N_("This enables automatic detection of " \
168 "UTF-8 encoding within subtitles files.")
169 #define FORMAT_TEXT N_("Formatted Subtitles")
170 #define FORMAT_LONGTEXT N_("Some subtitle formats allow for text formatting. " \
171 "VLC partly implements this, but you can choose to disable all formatting.")
173 static int OpenDecoder ( vlc_object_t * );
174 static void CloseDecoder ( vlc_object_t * );
177 set_shortname( N_("Subtitles"))
178 set_description( N_("Text subtitles decoder") )
179 set_capability( "decoder", 50 )
180 set_callbacks( OpenDecoder, CloseDecoder )
181 set_category( CAT_INPUT )
182 set_subcategory( SUBCAT_INPUT_SCODEC )
184 add_integer( "subsdec-align", 0, ALIGN_TEXT, ALIGN_LONGTEXT,
186 change_integer_list( pi_justification, ppsz_justification_text )
187 add_string( "subsdec-encoding", "",
188 ENCODING_TEXT, ENCODING_LONGTEXT, false )
189 change_string_list( ppsz_encodings, ppsz_encoding_names, 0 )
190 add_bool( "subsdec-autodetect-utf8", true,
191 AUTODETECT_UTF8_TEXT, AUTODETECT_UTF8_LONGTEXT, false )
192 add_bool( "subsdec-formatted", true, FORMAT_TEXT, FORMAT_LONGTEXT,
196 /*****************************************************************************
198 *****************************************************************************/
199 #define NO_BREAKING_SPACE " "
203 int i_align; /* Subtitles alignment on the vout */
205 vlc_iconv_t iconv_handle; /* handle to iconv instance */
206 bool b_autodetect_utf8;
210 static subpicture_t *DecodeBlock ( decoder_t *, block_t ** );
211 static subpicture_t *ParseText ( decoder_t *, block_t * );
212 static char *StripTags ( char * );
213 static char *CreateHtmlSubtitle( int *pi_align, char * );
215 /*****************************************************************************
216 * OpenDecoder: probe the decoder and return score
217 *****************************************************************************
218 * Tries to launch a decoder and return score so that the interface is able
220 *****************************************************************************/
221 static int OpenDecoder( vlc_object_t *p_this )
223 decoder_t *p_dec = (decoder_t*)p_this;
224 decoder_sys_t *p_sys;
226 switch( p_dec->fmt_in.i_codec )
229 case VLC_CODEC_ITU_T140:
235 p_dec->pf_decode_sub = DecodeBlock;
236 p_dec->fmt_out.i_cat = SPU_ES;
237 p_dec->fmt_out.i_codec = 0;
239 /* Allocate the memory needed to store the decoder's structure */
240 p_dec->p_sys = p_sys = calloc( 1, sizeof( *p_sys ) );
246 p_sys->iconv_handle = (vlc_iconv_t)-1;
247 p_sys->b_autodetect_utf8 = false;
249 const char *encoding;
252 /* First try demux-specified encoding */
253 if( p_dec->fmt_in.i_codec == VLC_CODEC_ITU_T140 )
254 encoding = "UTF-8"; /* IUT T.140 is always using UTF-8 */
256 if( p_dec->fmt_in.subs.psz_encoding && *p_dec->fmt_in.subs.psz_encoding )
258 encoding = p_dec->fmt_in.subs.psz_encoding;
259 msg_Dbg (p_dec, "trying demuxer-specified character encoding: %s",
263 /* Second, try configured encoding */
264 if ((var = var_InheritString (p_dec, "subsdec-encoding")) != NULL)
266 msg_Dbg (p_dec, "trying configured character encoding: %s", var);
267 if (!strcmp (var, "system"))
272 /* ^ iconv() treats "" as nl_langinfo(CODESET) */
278 /* Third, try "local" encoding with optional UTF-8 autodetection */
281 The Windows ANSI code page most commonly used for this language.
282 VLC uses this as a guess of the subtitle files character set
283 (if UTF-8 and UTF-16 autodetection fails).
284 Western European languages normally use "CP1252", which is a
285 Microsoft-variant of ISO 8859-1. That suits the Latin alphabet.
286 Other scripts use other code pages.
288 This MUST be a valid iconv character set. If unsure, please refer
289 the VideoLAN translators mailing list. */
290 encoding = vlc_pgettext("GetACP", "CP1252");
291 msg_Dbg (p_dec, "trying default character encoding: %s", encoding);
292 if (var_InheritBool (p_dec, "subsdec-autodetect-utf8"))
294 msg_Dbg (p_dec, "using automatic UTF-8 detection");
295 p_sys->b_autodetect_utf8 = true;
299 if (strcasecmp (encoding, "UTF-8") && strcasecmp (encoding, "utf8"))
301 p_sys->iconv_handle = vlc_iconv_open ("UTF-8", encoding);
302 if (p_sys->iconv_handle == (vlc_iconv_t)(-1))
303 msg_Err (p_dec, "cannot convert from %s: %m", encoding);
307 p_sys->i_align = var_InheritInteger( p_dec, "subsdec-align" );
312 /****************************************************************************
313 * DecodeBlock: the whole thing
314 ****************************************************************************
315 * This function must be fed with complete subtitles units.
316 ****************************************************************************/
317 static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
322 if( !pp_block || *pp_block == NULL )
326 if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
328 block_Release( p_block );
332 p_spu = ParseText( p_dec, p_block );
334 block_Release( p_block );
340 /*****************************************************************************
341 * CloseDecoder: clean up the decoder
342 *****************************************************************************/
343 static void CloseDecoder( vlc_object_t *p_this )
345 decoder_t *p_dec = (decoder_t *)p_this;
346 decoder_sys_t *p_sys = p_dec->p_sys;
348 if( p_sys->iconv_handle != (vlc_iconv_t)-1 )
349 vlc_iconv_close( p_sys->iconv_handle );
354 /*****************************************************************************
355 * ParseText: parse an text subtitle packet and send it to the video output
356 *****************************************************************************/
357 static subpicture_t *ParseText( decoder_t *p_dec, block_t *p_block )
359 decoder_sys_t *p_sys = p_dec->p_sys;
360 subpicture_t *p_spu = NULL;
361 char *psz_subtitle = NULL;
363 /* We cannot display a subpicture with no date */
364 if( p_block->i_pts <= VLC_TS_INVALID )
366 msg_Warn( p_dec, "subtitle without a date" );
370 /* Check validity of packet data */
371 /* An "empty" line containing only \0 can be used to force
372 and ephemer picture from the screen */
373 if( p_block->i_buffer < 1 )
375 msg_Warn( p_dec, "no subtitle data" );
379 /* Should be resiliant against bad subtitles */
380 psz_subtitle = malloc( p_block->i_buffer + 1 );
381 if( psz_subtitle == NULL )
383 memcpy( psz_subtitle, p_block->p_buffer, p_block->i_buffer );
384 psz_subtitle[p_block->i_buffer] = '\0';
386 if( p_sys->iconv_handle == (vlc_iconv_t)-1 )
388 if (EnsureUTF8( psz_subtitle ) == NULL)
390 msg_Err( p_dec, "failed to convert subtitle encoding.\n"
391 "Try manually setting a character-encoding "
392 "before you open the file." );
398 if( p_sys->b_autodetect_utf8 )
400 if( IsUTF8( psz_subtitle ) == NULL )
402 msg_Dbg( p_dec, "invalid UTF-8 sequence: "
403 "disabling UTF-8 subtitles autodetection" );
404 p_sys->b_autodetect_utf8 = false;
408 if( !p_sys->b_autodetect_utf8 )
410 size_t inbytes_left = strlen( psz_subtitle );
411 size_t outbytes_left = 6 * inbytes_left;
412 char *psz_new_subtitle = xmalloc( outbytes_left + 1 );
413 char *psz_convert_buffer_out = psz_new_subtitle;
414 const char *psz_convert_buffer_in = psz_subtitle;
416 size_t ret = vlc_iconv( p_sys->iconv_handle,
417 &psz_convert_buffer_in, &inbytes_left,
418 &psz_convert_buffer_out, &outbytes_left );
420 *psz_convert_buffer_out++ = '\0';
421 free( psz_subtitle );
423 if( ( ret == (size_t)(-1) ) || inbytes_left )
425 free( psz_new_subtitle );
426 msg_Err( p_dec, "failed to convert subtitle encoding.\n"
427 "Try manually setting a character-encoding "
428 "before you open the file." );
432 psz_subtitle = realloc( psz_new_subtitle,
433 psz_convert_buffer_out - psz_new_subtitle );
435 psz_subtitle = psz_new_subtitle;
439 /* Create the subpicture unit */
440 p_spu = decoder_NewSubpictureText( p_dec );
443 free( psz_subtitle );
446 p_spu->i_start = p_block->i_pts;
447 p_spu->i_stop = p_block->i_pts + p_block->i_length;
448 p_spu->b_ephemer = (p_block->i_length == 0);
449 p_spu->b_absolute = false;
451 subpicture_updater_sys_t *p_spu_sys = p_spu->updater.p_sys;
453 p_spu_sys->align = SUBPICTURE_ALIGN_BOTTOM | p_sys->i_align;
454 p_spu_sys->text = StripTags( psz_subtitle );
455 if( var_InheritBool( p_dec, "subsdec-formatted" ) )
456 p_spu_sys->html = CreateHtmlSubtitle( &p_spu_sys->align, psz_subtitle );
458 free( psz_subtitle );
463 /* Function now handles tags with attribute values, and tries
464 * to deal with &' commands too. It no longer modifies the string
465 * in place, so that the original text can be reused
467 static char *StripTags( char *psz_subtitle )
469 char *psz_text_start;
472 psz_text = psz_text_start = malloc( strlen( psz_subtitle ) + 1 );
473 if( !psz_text_start )
476 while( *psz_subtitle )
478 if( *psz_subtitle == '<' )
480 if( strncasecmp( psz_subtitle, "<br/>", 5 ) == 0 )
483 psz_subtitle += strcspn( psz_subtitle, ">" );
485 else if( *psz_subtitle == '&' )
487 if( !strncasecmp( psz_subtitle, "<", 4 ))
490 psz_subtitle += strcspn( psz_subtitle, ";" );
492 else if( !strncasecmp( psz_subtitle, ">", 4 ))
495 psz_subtitle += strcspn( psz_subtitle, ";" );
497 else if( !strncasecmp( psz_subtitle, "&", 5 ))
500 psz_subtitle += strcspn( psz_subtitle, ";" );
502 else if( !strncasecmp( psz_subtitle, """, 6 ))
505 psz_subtitle += strcspn( psz_subtitle, ";" );
509 /* Assume it is just a normal ampersand */
515 *psz_text++ = *psz_subtitle;
518 /* Security fix: Account for the case where input ends early */
519 if( *psz_subtitle == '\0' ) break;
524 char *psz = realloc( psz_text_start, strlen( psz_text_start ) + 1 );
525 if( psz ) psz_text_start = psz;
527 return psz_text_start;
530 /* Try to respect any style tags present in the subtitle string. The main
531 * problem here is a lack of adequate specs for the subtitle formats.
532 * SSA/ASS and USF are both detail spec'ed -- but they are handled elsewhere.
533 * SAMI has a detailed spec, but extensive rework is needed in the demux
534 * code to prevent all this style information being excised, as it presently
536 * That leaves the others - none of which were (I guess) originally intended
537 * to be carrying style information. Over time people have used them that way.
538 * In the absence of specifications from which to work, the tags supported
539 * have been restricted to the simple set permitted by the USF DTD, ie. :
540 * Basic: <br>, <i>, <b>, <u>, <s>
552 * There is also the further restriction that the subtitle be well-formed
553 * as an XML entity, ie. the HTML sentence:
554 * <b><i>Bold and Italics</b></i>
555 * doesn't qualify because the tags aren't nested one inside the other.
556 * <text> tags are automatically added to the output to ensure
558 * If the text doesn't qualify for any reason, a NULL string is
559 * returned, and the rendering engine will fall back to the
560 * plain text version of the subtitle.
562 static void HtmlNPut( char **ppsz_html, const char *psz_text, int i_max )
564 const int i_len = strlen(psz_text);
566 strncpy( *ppsz_html, psz_text, i_max );
567 *ppsz_html += __MIN(i_max,i_len);
570 static void HtmlPut( char **ppsz_html, const char *psz_text )
572 strcpy( *ppsz_html, psz_text );
573 *ppsz_html += strlen(psz_text);
575 static void HtmlCopy( char **ppsz_html, char **ppsz_subtitle, const char *psz_text )
577 HtmlPut( ppsz_html, psz_text );
578 *ppsz_subtitle += strlen(psz_text);
581 static char *CreateHtmlSubtitle( int *pi_align, char *psz_subtitle )
584 char *psz_tag = malloc( ( strlen( psz_subtitle ) / 3 ) + 1 );
591 size_t i_buf_size = strlen( psz_subtitle ) + 100;
592 char *psz_html_start = malloc( i_buf_size );
593 char *psz_html = psz_html_start;
594 if( psz_html_start == NULL )
601 bool b_has_align = false;
603 HtmlPut( &psz_html, "<text>" );
606 while( *psz_subtitle )
608 if( *psz_subtitle == '\n' )
610 HtmlPut( &psz_html, "<br/>" );
613 else if( *psz_subtitle == '<' )
615 if( !strncasecmp( psz_subtitle, "<br/>", 5 ))
617 HtmlCopy( &psz_html, &psz_subtitle, "<br/>" );
619 else if( !strncasecmp( psz_subtitle, "<b>", 3 ) )
621 HtmlCopy( &psz_html, &psz_subtitle, "<b>" );
622 strcat( psz_tag, "b" );
624 else if( !strncasecmp( psz_subtitle, "<i>", 3 ) )
626 HtmlCopy( &psz_html, &psz_subtitle, "<i>" );
627 strcat( psz_tag, "i" );
629 else if( !strncasecmp( psz_subtitle, "<u>", 3 ) )
631 HtmlCopy( &psz_html, &psz_subtitle, "<u>" );
632 strcat( psz_tag, "u" );
634 else if( !strncasecmp( psz_subtitle, "<s>", 3 ) )
636 HtmlCopy( &psz_html, &psz_subtitle, "<s>" );
637 strcat( psz_tag, "s" );
639 else if( !strncasecmp( psz_subtitle, "<font ", 6 ))
641 const char *psz_attribs[] = { "face=", "family=", "size=",
642 "color=", "outline-color=", "shadow-color=",
643 "outline-level=", "shadow-level=", "back-color=",
646 HtmlCopy( &psz_html, &psz_subtitle, "<font " );
647 strcat( psz_tag, "f" );
649 while( *psz_subtitle != '>' )
653 for( k=0; psz_attribs[ k ]; k++ )
655 int i_len = strlen( psz_attribs[ k ] );
657 if( !strncasecmp( psz_subtitle, psz_attribs[k], i_len ) )
660 HtmlPut( &psz_html, psz_attribs[k] );
661 psz_subtitle += i_len;
664 if( *psz_subtitle == '"' )
667 i_len = strcspn( psz_subtitle, "\"" );
671 i_len = strcspn( psz_subtitle, " \t>" );
673 HtmlPut( &psz_html, "\"" );
674 HtmlNPut( &psz_html, psz_subtitle, i_len );
675 HtmlPut( &psz_html, "\"" );
677 psz_subtitle += i_len;
678 if( *psz_subtitle == '\"' )
683 if( psz_attribs[ k ] == NULL )
685 /* Jump over unrecognised tag */
686 int i_len = strcspn( psz_subtitle, "\"" );
687 if( psz_subtitle[i_len] == '\"' )
689 i_len += 1 + strcspn( &psz_subtitle[i_len + 1], "\"" );
690 if( psz_subtitle[i_len] == '\"' )
693 psz_subtitle += i_len;
695 while (*psz_subtitle == ' ')
696 *psz_html++ = *psz_subtitle++;
698 *psz_html++ = *psz_subtitle++;
700 else if( !strncmp( psz_subtitle, "</", 2 ))
702 bool b_match = false;
703 bool b_ignore = false;
704 int i_len = strlen( psz_tag ) - 1;
705 char *psz_lastTag = NULL;
709 psz_lastTag = psz_tag + i_len;
712 switch( *psz_lastTag )
715 b_match = !strncasecmp( psz_subtitle, "</b>", 4 );
719 b_match = !strncasecmp( psz_subtitle, "</i>", 4 );
723 b_match = !strncasecmp( psz_subtitle, "</u>", 4 );
727 b_match = !strncasecmp( psz_subtitle, "</s>", 4 );
731 b_match = !strncasecmp( psz_subtitle, "</font>", 7 );
735 i_len = strcspn( psz_subtitle, ">" );
736 b_match = psz_subtitle[i_len] == '>';
745 /* Not well formed -- kill everything */
746 free( psz_html_start );
747 psz_html_start = NULL;
752 HtmlNPut( &psz_html, psz_subtitle, i_len );
754 psz_subtitle += i_len;
756 else if( ( psz_subtitle[1] < 'a' || psz_subtitle[1] > 'z' ) &&
757 ( psz_subtitle[1] < 'A' || psz_subtitle[1] > 'Z' ) )
759 /* We have a single < */
760 HtmlPut( &psz_html, "<" );
765 /* We have an unknown tag or a single < */
767 /* Search for the next tag or end of tag or end of string */
768 char *psz_stop = psz_subtitle + 1 + strcspn( &psz_subtitle[1], "<>" );
769 char *psz_closing = strstr( psz_subtitle, "/>" );
771 if( psz_closing && psz_closing < psz_stop )
773 /* We have a self closed tag, remove it */
774 psz_subtitle = &psz_closing[2];
776 else if( *psz_stop == '>' )
780 snprintf( psz_match, sizeof(psz_match), "</%s", &psz_subtitle[1] );
781 psz_match[strcspn( psz_match, " \t>" )] = '\0';
783 if( strstr( psz_subtitle, psz_match ) )
785 /* We have the closing tag, ignore it TODO */
786 psz_subtitle = &psz_stop[1];
787 strcat( psz_tag, "I" );
791 int i_len = psz_stop + 1 - psz_subtitle;
793 /* Copy the whole data */
794 for( ; i_len > 0; i_len--, psz_subtitle++ )
796 if( *psz_subtitle == '<' )
797 HtmlPut( &psz_html, "<" );
798 else if( *psz_subtitle == '>' )
799 HtmlPut( &psz_html, ">" );
801 *psz_html++ = *psz_subtitle;
807 /* We have a single < */
808 HtmlPut( &psz_html, "<" );
813 else if( *psz_subtitle == '&' )
815 if( !strncasecmp( psz_subtitle, "<", 4 ))
817 HtmlCopy( &psz_html, &psz_subtitle, "<" );
819 else if( !strncasecmp( psz_subtitle, ">", 4 ))
821 HtmlCopy( &psz_html, &psz_subtitle, ">" );
823 else if( !strncasecmp( psz_subtitle, "&", 5 ))
825 HtmlCopy( &psz_html, &psz_subtitle, "&" );
829 HtmlPut( &psz_html, "&" );
833 else if( *psz_subtitle == '>' )
835 HtmlPut( &psz_html, ">" );
838 else if( psz_subtitle[0] == '{' && psz_subtitle[1] == '\\' &&
839 strchr( psz_subtitle, '}' ) )
841 /* Check for forced alignment */
843 !strncmp( psz_subtitle, "{\\an", 4 ) && psz_subtitle[4] >= '1' && psz_subtitle[4] <= '9' && psz_subtitle[5] == '}' )
845 static const int pi_vertical[3] = { SUBPICTURE_ALIGN_BOTTOM, 0, SUBPICTURE_ALIGN_TOP };
846 static const int pi_horizontal[3] = { SUBPICTURE_ALIGN_LEFT, 0, SUBPICTURE_ALIGN_RIGHT };
847 const int i_id = psz_subtitle[4] - '1';
850 *pi_align = pi_vertical[i_id/3] | pi_horizontal[i_id%3];
852 /* TODO fr -> rotation */
854 /* Hide {\stupidity} */
855 psz_subtitle = strchr( psz_subtitle, '}' ) + 1;
857 else if( psz_subtitle[0] == '{' &&
858 ( psz_subtitle[1] == 'Y' || psz_subtitle[1] == 'y' )
859 && psz_subtitle[2] == ':' && strchr( psz_subtitle, '}' ) )
861 // FIXME: We don't do difference between Y and y, and we should.
862 if( psz_subtitle[3] == 'i' )
864 HtmlPut( &psz_html, "<i>" );
865 strcat( psz_tag, "i" );
867 if( psz_subtitle[3] == 'b' )
869 HtmlPut( &psz_html, "<b>" );
870 strcat( psz_tag, "b" );
872 if( psz_subtitle[3] == 'u' )
874 HtmlPut( &psz_html, "<u>" );
875 strcat( psz_tag, "u" );
877 psz_subtitle = strchr( psz_subtitle, '}' ) + 1;
879 else if( psz_subtitle[0] == '{' && psz_subtitle[2] == ':' && strchr( psz_subtitle, '}' ) )
881 // Hide other {x:y} atrocities, like {c:$bbggrr} or {P:x}
882 psz_subtitle = strchr( psz_subtitle, '}' ) + 1;
884 else if( psz_subtitle[0] == '\\' && psz_subtitle[1] )
886 if( psz_subtitle[1] == 'N' || psz_subtitle[1] == 'n' )
888 HtmlPut( &psz_html, "<br/>" );
891 else if( psz_subtitle[1] == 'h' )
893 /* Non breakable space */
894 HtmlPut( &psz_html, NO_BREAKING_SPACE );
899 HtmlPut( &psz_html, "\\" );
905 *psz_html = *psz_subtitle;
906 if( psz_html > psz_html_start )
908 /* Check for double whitespace */
909 if( ( *psz_html == ' ' || *psz_html == '\t' ) &&
910 ( *(psz_html-1) == ' ' || *(psz_html-1) == '\t' ) )
912 HtmlPut( &psz_html, NO_BREAKING_SPACE );
920 if( ( size_t )( psz_html - psz_html_start ) > i_buf_size - 50 )
922 const int i_len = psz_html - psz_html_start;
925 char *psz_new = realloc( psz_html_start, i_buf_size );
928 psz_html_start = psz_new;
929 psz_html = &psz_new[i_len];
934 static const char *psz_text_close = "</text>";
935 static const char *psz_tag_long = "/font>";
937 /* Realloc for closing tags and shrink memory */
938 const size_t i_length = (size_t)( psz_html - psz_html_start );
940 const size_t i_size = i_length + strlen(psz_tag_long) * strlen(psz_tag) + strlen(psz_text_close) + 1;
941 char *psz_new = realloc( psz_html_start, i_size );
944 psz_html_start = psz_new;
945 psz_html = &psz_new[i_length];
947 /* Close not well formed subtitle */
951 char *psz_last = &psz_tag[strlen(psz_tag)-1];
955 HtmlPut( &psz_html, "</b>" );
958 HtmlPut( &psz_html, "</i>" );
961 HtmlPut( &psz_html, "</u>" );
964 HtmlPut( &psz_html, "</s>" );
967 HtmlPut( &psz_html, "/font>" );
975 HtmlPut( &psz_html, psz_text_close );
980 return psz_html_start;