strings.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:34k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * strings.c: String related functions
- *****************************************************************************
- * Copyright (C) 2006 the VideoLAN team
- * Copyright (C) 2008-2009 Rémi Denis-Courmont
- * $Id: 283b9b60437aba75f93a97329d8d165117e7b253 $
- *
- * Authors: Antoine Cellerier <dionoea at videolan dot org>
- * Daniel Stranger <vlc at schmaller dot de>
- * Rémi Denis-Courmont <rem # videolan org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <assert.h>
- /* Needed by str_format_time */
- #include <time.h>
- #include <limits.h>
- /* Needed by str_format_meta */
- #include <vlc_input.h>
- #include <vlc_meta.h>
- #include <vlc_playlist.h>
- #include <vlc_aout.h>
- #include <vlc_strings.h>
- #include <vlc_url.h>
- #include <vlc_charset.h>
- /**
- * Decode encoded URI component. See also decode_URI().
- * return decoded duplicated string
- */
- char *decode_URI_duplicate( const char *psz )
- {
- char *psz_dup = strdup( psz );
- decode_URI( psz_dup );
- return psz_dup;
- }
- /**
- * Decode an encoded URI component in place.
- * <b>This function does NOT decode entire URIs.</b>
- * It decodes components (e.g. host name, directory, file name).
- * Decoded URIs do not exist in the real world (see RFC3986 §2.4).
- * Complete URIs are always "encoded" (or they are syntaxically invalid).
- *
- * Note that URI encoding is different from Javascript escaping. Especially,
- * white spaces and Unicode non-ASCII code points are encoded differently.
- *
- * return psz on success, NULL if it was not properly encoded
- */
- char *decode_URI( char *psz )
- {
- unsigned char *in = (unsigned char *)psz, *out = in, c;
- if( psz == NULL )
- return NULL;
- while( ( c = *in++ ) != ' ' )
- {
- switch( c )
- {
- case '%':
- {
- char hex[3];
- if( ( ( hex[0] = *in++ ) == 0 )
- || ( ( hex[1] = *in++ ) == 0 ) )
- return NULL;
- hex[2] = ' ';
- *out++ = (unsigned char)strtoul( hex, NULL, 0x10 );
- break;
- }
- case '+': /* This is HTTP forms, not URI decoding... */
- *out++ = ' ';
- break;
- default:
- /* Inserting non-ASCII or non-printable characters is unsafe,
- * and no sane browser will send these unencoded */
- if( ( c < 32 ) || ( c > 127 ) )
- *out++ = '?';
- else
- *out++ = c;
- }
- }
- *out = ' ';
- EnsureUTF8( psz );
- return psz;
- }
- static inline bool isurisafe( int c )
- {
- /* These are the _unreserved_ URI characters (RFC3986 §2.3) */
- return ( (unsigned char)( c - 'a' ) < 26 )
- || ( (unsigned char)( c - 'A' ) < 26 )
- || ( (unsigned char)( c - '0' ) < 10 )
- || ( strchr( "-._~", c ) != NULL );
- }
- static char *encode_URI_bytes (const char *psz_uri, size_t len)
- {
- char *psz_enc = malloc (3 * len + 1), *out = psz_enc;
- if (psz_enc == NULL)
- return NULL;
- for (size_t i = 0; i < len; i++)
- {
- static const char hex[16] = "0123456789ABCDEF";
- uint8_t c = *psz_uri;
- if( isurisafe( c ) )
- *out++ = c;
- /* This is URI encoding, not HTTP forms:
- * Space is encoded as '%20', not '+'. */
- else
- {
- *out++ = '%';
- *out++ = hex[c >> 4];
- *out++ = hex[c & 0xf];
- }
- psz_uri++;
- }
- *out++ = ' ';
- out = realloc (psz_enc, out - psz_enc);
- return out ? out : psz_enc; /* realloc() can fail (safe) */
- }
- /**
- * Encodes an URI component (RFC3986 §2).
- *
- * @param psz_uri nul-terminated UTF-8 representation of the component.
- * Obviously, you can't pass an URI containing a nul character, but you don't
- * want to do that, do you?
- *
- * @return encoded string (must be free()'d), or NULL for ENOMEM.
- */
- char *encode_URI_component( const char *psz_uri )
- {
- return encode_URI_bytes (psz_uri, strlen (psz_uri));
- }
- static const struct xml_entity_s
- {
- char psz_entity[8];
- char psz_char[4];
- } xml_entities[] = {
- /* Important: this list has to be in alphabetical order (psz_entity-wise) */
- { "AElig;", "Æ" },
- { "Aacute;", "Á" },
- { "Acirc;", "Â" },
- { "Agrave;", "À" },
- { "Aring;", "Å" },
- { "Atilde;", "Ã" },
- { "Auml;", "Ä" },
- { "Ccedil;", "Ç" },
- { "Dagger;", "‡" },
- { "ETH;", "Ð" },
- { "Eacute;", "É" },
- { "Ecirc;", "Ê" },
- { "Egrave;", "È" },
- { "Euml;", "Ë" },
- { "Iacute;", "Í" },
- { "Icirc;", "Î" },
- { "Igrave;", "Ì" },
- { "Iuml;", "Ï" },
- { "Ntilde;", "Ñ" },
- { "OElig;", "Œ" },
- { "Oacute;", "Ó" },
- { "Ocirc;", "Ô" },
- { "Ograve;", "Ò" },
- { "Oslash;", "Ø" },
- { "Otilde;", "Õ" },
- { "Ouml;", "Ö" },
- { "Scaron;", "Š" },
- { "THORN;", "Þ" },
- { "Uacute;", "Ú" },
- { "Ucirc;", "Û" },
- { "Ugrave;", "Ù" },
- { "Uuml;", "Ü" },
- { "Yacute;", "Ý" },
- { "Yuml;", "Ÿ" },
- { "aacute;", "á" },
- { "acirc;", "â" },
- { "acute;", "´" },
- { "aelig;", "æ" },
- { "agrave;", "à" },
- { "amp;", "&" },
- { "apos;", "'" },
- { "aring;", "å" },
- { "atilde;", "ã" },
- { "auml;", "ä" },
- { "bdquo;", "„" },
- { "brvbar;", "¦" },
- { "ccedil;", "ç" },
- { "cedil;", "¸" },
- { "cent;", "¢" },
- { "circ;", "ˆ" },
- { "copy;", "©" },
- { "curren;", "¤" },
- { "dagger;", "†" },
- { "deg;", "°" },
- { "divide;", "÷" },
- { "eacute;", "é" },
- { "ecirc;", "ê" },
- { "egrave;", "è" },
- { "eth;", "ð" },
- { "euml;", "ë" },
- { "euro;", "€" },
- { "frac12;", "½" },
- { "frac14;", "¼" },
- { "frac34;", "¾" },
- { "gt;", ">" },
- { "hellip;", "…" },
- { "iacute;", "í" },
- { "icirc;", "î" },
- { "iexcl;", "¡" },
- { "igrave;", "ì" },
- { "iquest;", "¿" },
- { "iuml;", "ï" },
- { "laquo;", "«" },
- { "ldquo;", "“" },
- { "lsaquo;", "‹" },
- { "lsquo;", "‘" },
- { "lt;", "<" },
- { "macr;", "¯" },
- { "mdash;", "—" },
- { "micro;", "µ" },
- { "middot;", "·" },
- { "nbsp;", "xc2xa0" },
- { "ndash;", "–" },
- { "not;", "¬" },
- { "ntilde;", "ñ" },
- { "oacute;", "ó" },
- { "ocirc;", "ô" },
- { "oelig;", "œ" },
- { "ograve;", "ò" },
- { "ordf;", "ª" },
- { "ordm;", "º" },
- { "oslash;", "ø" },
- { "otilde;", "õ" },
- { "ouml;", "ö" },
- { "para;", "¶" },
- { "permil;", "‰" },
- { "plusmn;", "±" },
- { "pound;", "£" },
- { "quot;", """ },
- { "raquo;", "»" },
- { "rdquo;", "”" },
- { "reg;", "®" },
- { "rsaquo;", "›" },
- { "rsquo;", "’" },
- { "sbquo;", "‚" },
- { "scaron;", "š" },
- { "sect;", "§" },
- { "shy;", "" },
- { "sup1;", "¹" },
- { "sup2;", "²" },
- { "sup3;", "³" },
- { "szlig;", "ß" },
- { "thorn;", "þ" },
- { "tilde;", "˜" },
- { "times;", "×" },
- { "trade;", "™" },
- { "uacute;", "ú" },
- { "ucirc;", "û" },
- { "ugrave;", "ù" },
- { "uml;", "¨" },
- { "uuml;", "ü" },
- { "yacute;", "ý" },
- { "yen;", "¥" },
- { "yuml;", "ÿ" },
- };
- static int cmp_entity (const void *key, const void *elem)
- {
- const struct xml_entity_s *ent = elem;
- const char *name = key;
- return strncmp (name, ent->psz_entity, strlen (ent->psz_entity));
- }
- /**
- * Converts "<", ">" and "&" to "<", ">" and "&"
- * param string to convert
- */
- void resolve_xml_special_chars( char *psz_value )
- {
- char *p_pos = psz_value;
- while ( *psz_value )
- {
- if( *psz_value == '&' )
- {
- if( psz_value[1] == '#' )
- { /* &#xxx; Unicode code point */
- char *psz_end;
- unsigned long cp = strtoul( psz_value+2, &psz_end, 10 );
- if( *psz_end == ';' )
- {
- psz_value = psz_end + 1;
- if( cp == 0 )
- (void)0; /* skip nuls */
- else
- if( cp <= 0x7F )
- {
- *p_pos = cp;
- }
- else
- /* Unicode code point outside ASCII.
- * &#xxx; representation is longer than UTF-8 :) */
- if( cp <= 0x7FF )
- {
- *p_pos++ = 0xC0 | (cp >> 6);
- *p_pos = 0x80 | (cp & 0x3F);
- }
- else
- if( cp <= 0xFFFF )
- {
- *p_pos++ = 0xE0 | (cp >> 12);
- *p_pos++ = 0x80 | ((cp >> 6) & 0x3F);
- *p_pos = 0x80 | (cp & 0x3F);
- }
- else
- if( cp <= 0x1FFFFF ) /* Outside the BMP */
- { /* Unicode stops at 10FFFF, but who cares? */
- *p_pos++ = 0xF0 | (cp >> 18);
- *p_pos++ = 0x80 | ((cp >> 12) & 0x3F);
- *p_pos++ = 0x80 | ((cp >> 6) & 0x3F);
- *p_pos = 0x80 | (cp & 0x3F);
- }
- }
- else
- {
- /* Invalid entity number */
- *p_pos = *psz_value;
- psz_value++;
- }
- }
- else
- { /* Well-known XML entity */
- const struct xml_entity_s *ent;
- ent = bsearch (psz_value + 1, xml_entities,
- sizeof (xml_entities) / sizeof (*ent),
- sizeof (*ent), cmp_entity);
- if (ent != NULL)
- {
- size_t olen = strlen (ent->psz_char);
- memcpy (p_pos, ent->psz_char, olen);
- p_pos += olen - 1;
- psz_value += strlen (ent->psz_entity) + 1;
- }
- else
- { /* No match */
- *p_pos = *psz_value;
- psz_value++;
- }
- }
- }
- else
- {
- *p_pos = *psz_value;
- psz_value++;
- }
- p_pos++;
- }
- *p_pos = ' ';
- }
- /**
- * Converts '<', '>', '"', ''' and '&' to their html entities
- * param psz_content simple element content that is to be converted
- */
- char *convert_xml_special_chars( const char *psz_content )
- {
- char *psz_temp = malloc( 6 * strlen( psz_content ) + 1 );
- const char *p_from = psz_content;
- char *p_to = psz_temp;
- while ( *p_from )
- {
- if ( *p_from == '<' )
- {
- strcpy( p_to, "<" );
- p_to += 4;
- }
- else if ( *p_from == '>' )
- {
- strcpy( p_to, ">" );
- p_to += 4;
- }
- else if ( *p_from == '&' )
- {
- strcpy( p_to, "&" );
- p_to += 5;
- }
- else if( *p_from == '"' )
- {
- strcpy( p_to, """ );
- p_to += 6;
- }
- else if( *p_from == ''' )
- {
- strcpy( p_to, "'" );
- p_to += 6;
- }
- else
- {
- *p_to = *p_from;
- p_to++;
- }
- p_from++;
- }
- *p_to = ' ';
- return psz_temp;
- }
- /* Base64 encoding */
- char *vlc_b64_encode_binary( const uint8_t *src, size_t i_src )
- {
- static const char b64[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- char *ret = malloc( ( i_src + 4 ) * 4 / 3 );
- char *dst = ret;
- if( dst == NULL )
- return NULL;
- while( i_src > 0 )
- {
- /* pops (up to) 3 bytes of input, push 4 bytes */
- uint32_t v;
- /* 1/3 -> 1/4 */
- v = *src++ << 24;
- *dst++ = b64[v >> 26];
- v = v << 6;
- /* 2/3 -> 2/4 */
- if( i_src >= 2 )
- v |= *src++ << 22;
- *dst++ = b64[v >> 26];
- v = v << 6;
- /* 3/3 -> 3/4 */
- if( i_src >= 3 )
- v |= *src++ << 20; // 3/3
- *dst++ = ( i_src >= 2 ) ? b64[v >> 26] : '='; // 3/4
- v = v << 6;
- /* -> 4/4 */
- *dst++ = ( i_src >= 3 ) ? b64[v >> 26] : '='; // 4/4
- if( i_src <= 3 )
- break;
- i_src -= 3;
- }
- *dst = ' ';
- return ret;
- }
- char *vlc_b64_encode( const char *src )
- {
- if( src )
- return vlc_b64_encode_binary( (const uint8_t*)src, strlen(src) );
- else
- return vlc_b64_encode_binary( (const uint8_t*)"", 0 );
- }
- /* Base64 decoding */
- size_t vlc_b64_decode_binary_to_buffer( uint8_t *p_dst, size_t i_dst, const char *p_src )
- {
- static const int b64[256] = {
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 00-0F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 10-1F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63, /* 20-2F */
- 52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1, /* 30-3F */
- -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14, /* 40-4F */
- 15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1, /* 50-5F */
- -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40, /* 60-6F */
- 41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1, /* 70-7F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 80-8F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 90-9F */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* A0-AF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* B0-BF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* C0-CF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* D0-DF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* E0-EF */
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 /* F0-FF */
- };
- uint8_t *p_start = p_dst;
- uint8_t *p = (uint8_t *)p_src;
- int i_level;
- int i_last;
- for( i_level = 0, i_last = 0; (size_t)( p_dst - p_start ) < i_dst && *p != ' '; p++ )
- {
- const int c = b64[(unsigned int)*p];
- if( c == -1 )
- continue;
- switch( i_level )
- {
- case 0:
- i_level++;
- break;
- case 1:
- *p_dst++ = ( i_last << 2 ) | ( ( c >> 4)&0x03 );
- i_level++;
- break;
- case 2:
- *p_dst++ = ( ( i_last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
- i_level++;
- break;
- case 3:
- *p_dst++ = ( ( i_last &0x03 ) << 6 ) | c;
- i_level = 0;
- }
- i_last = c;
- }
- return p_dst - p_start;
- }
- size_t vlc_b64_decode_binary( uint8_t **pp_dst, const char *psz_src )
- {
- const int i_src = strlen( psz_src );
- uint8_t *p_dst;
- *pp_dst = p_dst = malloc( i_src );
- if( !p_dst )
- return 0;
- return vlc_b64_decode_binary_to_buffer( p_dst, i_src, psz_src );
- }
- char *vlc_b64_decode( const char *psz_src )
- {
- const int i_src = strlen( psz_src );
- char *p_dst = malloc( i_src + 1 );
- size_t i_dst;
- if( !p_dst )
- return NULL;
- i_dst = vlc_b64_decode_binary_to_buffer( (uint8_t*)p_dst, i_src, psz_src );
- p_dst[i_dst] = ' ';
- return p_dst;
- }
- /**
- * Formats current time into a heap-allocated string.
- * @param tformat time format (as with C strftime())
- * @return an allocated string (must be free()'d), or NULL on memory error.
- */
- char *str_format_time( const char *tformat )
- {
- time_t curtime;
- struct tm loctime;
- if (strcmp (tformat, "") == 0)
- return strdup (""); /* corner case w.r.t. strftime() return value */
- /* Get the current time. */
- time( &curtime );
- /* Convert it to local time representation. */
- localtime_r( &curtime, &loctime );
- for (size_t buflen = strlen (tformat) + 32;; buflen += 32)
- {
- char *str = malloc (buflen);
- if (str == NULL)
- return NULL;
- size_t len = strftime (str, buflen, tformat, &loctime);
- if (len > 0)
- {
- char *ret = realloc (str, len + 1);
- return ret ? ret : str; /* <- this cannot fail */
- }
- }
- assert (0);
- }
- #define INSERT_STRING( string )
- if( string != NULL )
- {
- int len = strlen( string );
- dst = realloc( dst, i_size = i_size + len );
- memcpy( (dst+d), string, len );
- d += len;
- free( string );
- }
- else if( !b_empty_if_na )
- {
- *(dst+d) = '-';
- d++;
- }
- /* same than INSERT_STRING, except that string won't be freed */
- #define INSERT_STRING_NO_FREE( string )
- {
- int len = strlen( string );
- dst = realloc( dst, i_size = i_size + len );
- memcpy( dst+d, string, len );
- d += len;
- }
- char *__str_format_meta( vlc_object_t *p_object, const char *string )
- {
- const char *s = string;
- bool b_is_format = false;
- bool b_empty_if_na = false;
- char buf[10];
- int i_size = strlen( string ) + 1; /* +1 to store ' ' */
- char *dst = strdup( string );
- if( !dst ) return NULL;
- int d = 0;
- playlist_t *p_playlist = pl_Hold( p_object );
- input_thread_t *p_input = playlist_CurrentInput( p_playlist );
- input_item_t *p_item = NULL;
- pl_Release( p_object );
- if( p_input )
- {
- p_item = input_GetItem(p_input);
- }
- while( *s )
- {
- if( b_is_format )
- {
- switch( *s )
- {
- case 'a':
- if( p_item )
- {
- INSERT_STRING( input_item_GetArtist( p_item ) );
- }
- break;
- case 'b':
- if( p_item )
- {
- INSERT_STRING( input_item_GetAlbum( p_item ) );
- }
- break;
- case 'c':
- if( p_item )
- {
- INSERT_STRING( input_item_GetCopyright( p_item ) );
- }
- break;
- case 'd':
- if( p_item )
- {
- INSERT_STRING( input_item_GetDescription( p_item ) );
- }
- break;
- case 'e':
- if( p_item )
- {
- INSERT_STRING( input_item_GetEncodedBy( p_item ) );
- }
- break;
- case 'f':
- if( p_item && p_item->p_stats )
- {
- vlc_mutex_lock( &p_item->p_stats->lock );
- snprintf( buf, 10, "%d",
- p_item->p_stats->i_displayed_pictures );
- vlc_mutex_unlock( &p_item->p_stats->lock );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "-" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'g':
- if( p_item )
- {
- INSERT_STRING( input_item_GetGenre( p_item ) );
- }
- break;
- case 'l':
- if( p_item )
- {
- INSERT_STRING( input_item_GetLanguage( p_item ) );
- }
- break;
- case 'n':
- if( p_item )
- {
- INSERT_STRING( input_item_GetTrackNum( p_item ) );
- }
- break;
- case 'p':
- if( p_item )
- {
- INSERT_STRING( input_item_GetNowPlaying( p_item ) );
- }
- break;
- case 'r':
- if( p_item )
- {
- INSERT_STRING( input_item_GetRating( p_item ) );
- }
- break;
- case 's':
- {
- char *lang = NULL;
- if( p_input )
- lang = var_GetNonEmptyString( p_input, "sub-language" );
- if( lang == NULL )
- lang = strdup( b_empty_if_na ? "" : "-" );
- INSERT_STRING( lang );
- break;
- }
- case 't':
- if( p_item )
- {
- INSERT_STRING( input_item_GetTitle( p_item ) );
- }
- break;
- case 'u':
- if( p_item )
- {
- INSERT_STRING( input_item_GetURL( p_item ) );
- }
- break;
- case 'A':
- if( p_item )
- {
- INSERT_STRING( input_item_GetDate( p_item ) );
- }
- break;
- case 'B':
- if( p_input )
- {
- snprintf( buf, 10, "%d",
- var_GetInteger( p_input, "bit-rate" )/1000 );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "-" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'C':
- if( p_input )
- {
- snprintf( buf, 10, "%d",
- var_GetInteger( p_input, "chapter" ) );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "-" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'D':
- if( p_item )
- {
- mtime_t i_duration = input_item_GetDuration( p_item );
- sprintf( buf, "%02d:%02d:%02d",
- (int)(i_duration/(3600000000)),
- (int)((i_duration/(60000000))%60),
- (int)((i_duration/1000000)%60) );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "--:--:--" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'F':
- if( p_item )
- {
- INSERT_STRING( input_item_GetURI( p_item ) );
- }
- break;
- case 'I':
- if( p_input )
- {
- snprintf( buf, 10, "%d",
- var_GetInteger( p_input, "title" ) );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "-" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'L':
- if( p_item && p_input )
- {
- mtime_t i_duration = input_item_GetDuration( p_item );
- int64_t i_time = var_GetTime( p_input, "time" );
- sprintf( buf, "%02d:%02d:%02d",
- (int)( ( i_duration - i_time ) / 3600000000 ),
- (int)( ( ( i_duration - i_time ) / 60000000 ) % 60 ),
- (int)( ( ( i_duration - i_time ) / 1000000 ) % 60 ) );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "--:--:--" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'N':
- if( p_item )
- {
- INSERT_STRING( input_item_GetName( p_item ) );
- }
- break;
- case 'O':
- {
- char *lang = NULL;
- if( p_input )
- lang = var_GetNonEmptyString( p_input,
- "audio-language" );
- if( lang == NULL )
- lang = strdup( b_empty_if_na ? "" : "-" );
- INSERT_STRING( lang );
- break;
- }
- case 'P':
- if( p_input )
- {
- snprintf( buf, 10, "%2.1lf",
- var_GetFloat( p_input, "position" ) * 100. );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "--.-%%" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'R':
- if( p_input )
- {
- int r = var_GetInteger( p_input, "rate" );
- snprintf( buf, 10, "%d.%d", r/1000, r%1000 );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "-" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'S':
- if( p_input )
- {
- int r = var_GetInteger( p_input, "sample-rate" );
- snprintf( buf, 10, "%d.%d", r/1000, (r/100)%10 );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "-" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'T':
- if( p_input )
- {
- int64_t i_time = var_GetTime( p_input, "time" );
- sprintf( buf, "%02d:%02d:%02d",
- (int)( i_time / ( 3600000000 ) ),
- (int)( ( i_time / ( 60000000 ) ) % 60 ),
- (int)( ( i_time / 1000000 ) % 60 ) );
- }
- else
- {
- sprintf( buf, b_empty_if_na ? "" : "--:--:--" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'U':
- if( p_item )
- {
- INSERT_STRING( input_item_GetPublisher( p_item ) );
- }
- break;
- case 'V':
- {
- audio_volume_t volume;
- aout_VolumeGet( p_object, &volume );
- snprintf( buf, 10, "%d", volume );
- INSERT_STRING_NO_FREE( buf );
- break;
- }
- case '_':
- *(dst+d) = 'n';
- d++;
- break;
- case ' ':
- b_empty_if_na = true;
- break;
- default:
- *(dst+d) = *s;
- d++;
- break;
- }
- if( *s != ' ' )
- b_is_format = false;
- }
- else if( *s == '$' )
- {
- b_is_format = true;
- b_empty_if_na = false;
- }
- else
- {
- *(dst+d) = *s;
- d++;
- }
- s++;
- }
- *(dst+d) = ' ';
- if( p_input )
- vlc_object_release( p_input );
- return dst;
- }
- #undef INSERT_STRING
- #undef INSERT_STRING_NO_FREE
- /**
- * Apply str format time and str format meta
- */
- char *__str_format( vlc_object_t *p_this, const char *psz_src )
- {
- char *psz_buf1, *psz_buf2;
- psz_buf1 = str_format_time( psz_src );
- psz_buf2 = str_format_meta( p_this, psz_buf1 );
- free( psz_buf1 );
- return psz_buf2;
- }
- /**
- * Remove forbidden characters from filenames (including slashes)
- */
- char* filename_sanitize( const char *str_origin )
- {
- char *str = strdup( str_origin );
- char *str_base = str;
- if( *str == '.' && (str[1] == ' ' || (str[1] == '.' && str[2] == ' ' ) ) )
- {
- while( *str )
- {
- *str = '_';
- str++;
- }
- return str_base;
- }
- #if defined( WIN32 )
- // Change leading spaces into underscores
- while( *str && *str == ' ' )
- *str++ = '_';
- #endif
- while( *str )
- {
- switch( *str )
- {
- case '/':
- #if defined( __APPLE__ )
- case ':':
- #elif defined( WIN32 )
- case '\':
- case '*':
- case '"':
- case '?':
- case ':':
- case '|':
- case '<':
- case '>':
- #endif
- *str = '_';
- }
- str++;
- }
- #if defined( WIN32 )
- // Change trailing spaces into underscores
- str--;
- while( str != str_base )
- {
- if( *str != ' ' )
- break;
- *str-- = '_';
- }
- #endif
- return str_base;
- }
- /**
- * Remove forbidden characters from full paths (leaves slashes)
- */
- void path_sanitize( char *str )
- {
- #ifdef WIN32
- /* check drive prefix if path is absolute */
- if( (((unsigned char)(str[0] - 'A') < 26)
- || ((unsigned char)(str[0] - 'a') < 26)) && (':' == str[1]) )
- str += 2;
- #endif
- while( *str )
- {
- #if defined( __APPLE__ )
- if( *str == ':' )
- *str = '_';
- #elif defined( WIN32 )
- if( strchr( "*"?:|<>", *str ) )
- *str = '_';
- if( *str == '/' )
- *str = DIR_SEP_CHAR;
- #endif
- str++;
- }
- }
- #include <vlc_url.h>
- /**
- * Convert a file path to an URI. If already an URI, do nothing.
- */
- char *make_URI (const char *path)
- {
- if (path == NULL)
- return NULL;
- if (strstr (path, "://") != NULL)
- return strdup (path); /* Already an URI */
- /* Note: VLC cannot handle URI schemes without double slash after the
- * scheme name (such as mailto: or news:). */
- char *buf;
- #ifdef WIN32
- if (isalpha (path[0]) && (path[1] == ':'))
- {
- if (asprintf (&buf, "file:///%c:", path[0]) == -1)
- buf = NULL;
- path += 2;
- }
- else
- #endif
- if (!strncmp (path, "\\", 2))
- { /* Windows UNC paths */
- #ifndef WIN32
- /* \hostsharepath -> smb://host/share/path */
- if (strchr (path + 2, '\') != NULL)
- { /* Convert antislashes to slashes */
- char *dup = strdup (path);
- if (dup == NULL)
- return NULL;
- for (size_t i = 2; dup[i]; i++)
- if (dup[i] == '\')
- dup[i] = DIR_SEP_CHAR;
- char *ret = make_URI (dup);
- free (dup);
- return ret;
- }
- # define SMB_SCHEME "smb"
- #else
- /* \hostsharepath -> file://host/share/path */
- # define SMB_SCHEME "file"
- #endif
- size_t hostlen = strcspn (path + 2, DIR_SEP);
- buf = malloc (sizeof (SMB_SCHEME) + 3 + hostlen);
- if (buf != NULL)
- snprintf (buf, sizeof (SMB_SCHEME) + 3 + hostlen,
- SMB_SCHEME"://%s", path + 2);
- path += 2 + hostlen;
- }
- else
- if (path[0] != DIR_SEP_CHAR)
- { /* Relative path: prepend the current working directory */
- char cwd[PATH_MAX];
- if (getcwd (cwd, sizeof (cwd)) == NULL) /* FIXME: UTF8? */
- return NULL;
- if (asprintf (&buf, "%s/%s", cwd, path) == -1)
- return NULL;
- char *ret = make_URI (buf);
- free (buf);
- return ret;
- }
- else
- buf = strdup ("file://");
- if (buf == NULL)
- return NULL;
- assert (path[0] == DIR_SEP_CHAR);
- /* Absolute file path */
- for (const char *ptr = path + 1;; ptr++)
- {
- size_t len = strcspn (ptr, DIR_SEP);
- char *component = encode_URI_bytes (ptr, len);
- if (component == NULL)
- {
- free (buf);
- return NULL;
- }
- char *uri;
- int val = asprintf (&uri, "%s/%s", buf, component);
- free (component);
- free (buf);
- if (val == -1)
- return NULL;
- buf = uri;
- ptr += len;
- if (*ptr == ' ')
- return buf;
- }
- }