/*****************************************************************************
* strings.c: String related functions
*****************************************************************************
- * Copyright (C) 2006 the VideoLAN team
+ * Copyright (C) 2006 VLC authors and VideoLAN
* Copyright (C) 2008-2009 Rémi Denis-Courmont
* $Id$
*
* 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/*****************************************************************************
/* Needed by str_format_time */
#include <time.h>
#include <limits.h>
+#include <math.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++ ) != '\0' )
- {
- switch( c )
- {
- case '%':
- {
- char hex[3];
-
- if( ( ( hex[0] = *in++ ) == 0 )
- || ( ( hex[1] = *in++ ) == 0 ) )
- return NULL;
-
- hex[2] = '\0';
- *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 = '\0';
- 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++ = '\0';
-
- 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));
-}
-
+#include <libvlc.h>
+#include <errno.h>
static const struct xml_entity_s
{
if( *psz_value == '&' )
{
if( psz_value[1] == '#' )
- { /* &#xxx; Unicode code point */
+ { /* &#DDD; or &#xHHHH; Unicode code point */
char *psz_end;
- unsigned long cp = strtoul( psz_value+2, &psz_end, 10 );
+ unsigned long cp;
+
+ if( psz_value[2] == 'x' ) /* The x must be lower-case. */
+ cp = strtoul( psz_value + 3, &psz_end, 16 );
+ else
+ cp = strtoul( psz_value + 2, &psz_end, 10 );
+
if( *psz_end == ';' )
{
psz_value = psz_end + 1;
}
/**
- * Converts '<', '>', '\"', '\'' and '&' to their html entities
- * \param psz_content simple element content that is to be converted
+ * XML-encode an UTF-8 string
+ * \param str nul-terminated UTF-8 byte sequence to XML-encode
+ * \return XML encoded string or NULL on error
+ * (errno is set to ENOMEM or EILSEQ as appropriate)
*/
-char *convert_xml_special_chars( const char *psz_content )
+char *convert_xml_special_chars (const char *str)
{
- char *psz_temp = malloc( 6 * strlen( psz_content ) + 1 );
- const char *p_from = psz_content;
- char *p_to = psz_temp;
+ assert (str != NULL);
+
+ const size_t len = strlen (str);
+ char *const buf = malloc (6 * len + 1), *ptr = buf;
+ if (unlikely(buf == NULL))
+ return NULL;
+
+ size_t n;
+ uint32_t cp;
- while ( *p_from )
+ while ((n = vlc_towc (str, &cp)) != 0)
{
- 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 == '\'' )
+ if (unlikely(n == (size_t)-1))
{
- strcpy( p_to, "'" );
- p_to += 6;
+ free (buf);
+ errno = EILSEQ;
+ return NULL;
}
+
+ if ((cp & ~0x0080) < 32 /* C0/C1 control codes */
+ && memchr ("\x09\x0A\x0D\x85", cp, 4) == NULL)
+ ptr += sprintf (ptr, "&#%"PRIu32";", cp);
else
+ switch (cp)
{
- *p_to = *p_from;
- p_to++;
+ case '\"': strcpy (ptr, """); ptr += 6; break;
+ case '&': strcpy (ptr, "&"); ptr += 5; break;
+ case '\'': strcpy (ptr, "'"); ptr += 5; break;
+ case '<': strcpy (ptr, "<"); ptr += 4; break;
+ case '>': strcpy (ptr, ">"); ptr += 4; break;
+ default: memcpy (ptr, str, n); ptr += n; break;
}
- p_from++;
+ str += n;
}
- *p_to = '\0';
+ *(ptr++) = '\0';
- return psz_temp;
+ ptr = realloc (buf, ptr - buf);
+ return likely(ptr != NULL) ? ptr : buf; /* cannot fail */
}
/* Base64 encoding */
{
const int c = b64[(unsigned int)*p];
if( c == -1 )
- continue;
+ break;
switch( i_level )
{
char *ret = realloc (str, len + 1);
return ret ? ret : str; /* <- this cannot fail */
}
+ free (str);
}
- assert (0);
+ vlc_assert_unreachable ();
}
-#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 )
+static void write_duration(FILE *stream, int64_t duration)
+{
+ lldiv_t d;
+ long long sec;
+
+ duration /= CLOCK_FREQ;
+ d = lldiv(duration, 60);
+ sec = d.rem;
+ d = lldiv(d.quot, 60);
+ fprintf(stream, "%02lld:%02lld:%02lld", d.quot, d.rem, sec);
+}
+
+static int write_meta(FILE *stream, input_item_t *item, vlc_meta_type_t type)
+{
+ if (item == NULL)
+ return EOF;
+
+ char *value = input_item_GetMeta(item, type);
+ if (value == NULL)
+ return EOF;
+
+ int ret = fputs(value, stream);
+ free(value);
+ return ret;
+}
+
+char *str_format_meta(input_thread_t *input, const char *s)
{
- const char *s = string;
+ char *str;
+ size_t len;
+#ifdef HAVE_OPEN_MEMSTREAM
+ FILE *stream = open_memstream(&str, &len);
+#elif defined( _WIN32 )
+ FILE *stream = vlc_win32_tmpfile();
+#else
+ FILE *stream = tmpfile();
+#endif
+ if (stream == NULL)
+ return NULL;
+
+ input_item_t *item = (input != NULL) ? input_GetItem(input) : NULL;
+
+ char c;
bool b_is_format = false;
bool b_empty_if_na = false;
- char buf[10];
- int i_size = strlen( string ) + 1; /* +1 to store '\0' */
- 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 )
+ while ((c = *s) != '\0')
{
- if( b_is_format )
+ s++;
+
+ if (!b_is_format)
{
- switch( *s )
+ if (c == '$')
{
- 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':
+ b_is_format = true;
+ b_empty_if_na = false;
+ continue;
+ }
+
+ fputc(c, stream);
+ continue;
+ }
+
+ b_is_format = false;
+
+ switch (c)
+ {
+ case 'a':
+ write_meta(stream, item, vlc_meta_Artist);
+ break;
+ case 'b':
+ write_meta(stream, item, vlc_meta_Album);
+ break;
+ case 'c':
+ write_meta(stream, item, vlc_meta_Copyright);
+ break;
+ case 'd':
+ write_meta(stream, item, vlc_meta_Description);
+ break;
+ case 'e':
+ write_meta(stream, item, vlc_meta_EncodedBy);
+ break;
+ case 'f':
+ if (item != NULL && item->p_stats != NULL)
{
- 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;
+ vlc_mutex_lock(&item->p_stats->lock);
+ fprintf(stream, "%"PRIi64,
+ item->p_stats->i_displayed_pictures);
+ vlc_mutex_unlock(&item->p_stats->lock);
}
- 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 );
- snprintf( buf, 10, "%02d:%02d:%02d",
- (int)(i_duration/(3600000000)),
- (int)((i_duration/(60000000))%60),
- (int)((i_duration/1000000)%60) );
- }
- else
- {
- snprintf( buf, 10, 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" );
- snprintf( buf, 10, "%02d:%02d:%02d",
- (int)( ( i_duration - i_time ) / 3600000000 ),
- (int)( ( ( i_duration - i_time ) / 60000000 ) % 60 ),
- (int)( ( ( i_duration - i_time ) / 1000000 ) % 60 ) );
- }
- else
- {
- snprintf( buf, 10, b_empty_if_na ? "" : "--:--:--" );
- }
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'N':
- if( p_item )
- {
- INSERT_STRING( input_item_GetName( p_item ) );
- }
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ case 'g':
+ write_meta(stream, item, vlc_meta_Genre);
+ break;
+ case 'l':
+ write_meta(stream, item, vlc_meta_Language);
+ break;
+ case 'n':
+ write_meta(stream, item, vlc_meta_TrackNumber);
+ break;
+ case 'p':
+ if (item == NULL)
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;
+ char *value = input_item_GetNowPlayingFb(item);
+ if (value == NULL)
+ break;
+
+ fputs(value, stream);
+ free(value);
}
- case 'P':
- if( p_input )
- {
- snprintf( buf, 10, "%2.1lf",
- var_GetFloat( p_input, "position" ) * 100. );
- }
- else
- {
- snprintf( buf, 10, 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
+ break;
+ case 'r':
+ write_meta(stream, item, vlc_meta_Rating);
+ break;
+ case 's':
+ {
+ char *lang = NULL;
+
+ if (input != NULL)
+ lang = var_GetNonEmptyString(input, "sub-language");
+ if (lang != NULL)
+ {
+ fputs(lang, stream);
+ free(lang);
+ }
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ }
+ case 't':
+ write_meta(stream, item, vlc_meta_Title);
+ break;
+ case 'u':
+ write_meta(stream, item, vlc_meta_URL);
+ break;
+ case 'A':
+ write_meta(stream, item, vlc_meta_Date);
+ break;
+ case 'B':
+ if (input != NULL)
+ fprintf(stream, "%"PRId64,
+ var_GetInteger(input, "bit-rate") / 1000);
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ case 'C':
+ if (input != NULL)
+ fprintf(stream, "%"PRId64,
+ var_GetInteger(input, "chapter"));
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ case 'D':
+ if (item != NULL)
+ write_duration(stream, input_item_GetDuration(item));
+ else if (!b_empty_if_na)
+ fputs("--:--:--", stream);
+ break;
+ case 'F':
+ if (item != NULL)
+ {
+ char *uri = input_item_GetURI(item);
+ if (uri != NULL)
{
- sprintf( buf, b_empty_if_na ? "" : "-" );
+ fputs(uri, stream);
+ free(uri);
}
- INSERT_STRING_NO_FREE( buf );
- break;
- case 'S':
- if( p_input )
+ }
+ break;
+ case 'I':
+ if (input != NULL)
+ fprintf(stream, "%"PRId64, var_GetInteger(input, "title"));
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ case 'L':
+ if (item != NULL)
+ {
+ assert(input != NULL);
+ write_duration(stream, input_item_GetDuration(item)
+ - var_GetTime(input, "time"));
+ }
+ else if (!b_empty_if_na)
+ fputs("--:--:--", stream);
+ break;
+ case 'N':
+ if (item != NULL)
+ {
+ char *name = input_item_GetName(item);
+ if (name != NULL)
{
- int r = var_GetInteger( p_input, "sample-rate" );
- snprintf( buf, 10, "%d.%d", r/1000, (r/100)%10 );
+ fputs(name, stream);
+ free(name);
}
- else
+ }
+ break;
+ case 'O':
+ {
+ char *lang = NULL;
+
+ if (input != NULL)
+ lang = var_GetNonEmptyString(input, "audio-language");
+ if (lang != NULL)
+ {
+ fputs(lang, stream);
+ free(lang);
+ }
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ }
+ case 'P':
+ if (input != NULL)
+ fprintf(stream, "%2.1f",
+ var_GetFloat(input, "position") * 100.f);
+ else if (!b_empty_if_na)
+ fputs("--.-%", stream);
+ break;
+ case 'R':
+ if (input != NULL)
+ fprintf(stream, "%.3f", var_GetFloat(input, "rate"));
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ case 'S':
+ if (input != NULL)
+ {
+ int rate = var_GetInteger(input, "sample-rate");
+ div_t dr = div((rate + 50) / 100, 10);
+
+ fprintf(stream, "%d.%01d", dr.quot, dr.rem);
+ }
+ else if (!b_empty_if_na)
+ fputc('-', stream);
+ break;
+ case 'T':
+ if (input != NULL)
+ write_duration(stream, var_GetTime(input, "time"));
+ else if (!b_empty_if_na)
+ fputs("--:--:--", stream);
+ break;
+ case 'U':
+ write_meta(stream, item, vlc_meta_Publisher);
+ break;
+ case 'V':
+ {
+ float vol = 0.f;
+
+ if (input != NULL)
+ {
+ audio_output_t *aout = input_GetAout(input);
+ if (aout != NULL)
{
- sprintf( buf, b_empty_if_na ? "" : "-" );
+ vol = aout_VolumeGet(aout);
+ vlc_object_release(aout);
}
- INSERT_STRING_NO_FREE( buf );
+ }
+ if (vol >= 0.f)
+ fprintf(stream, "%ld", lroundf(vol * 256.f));
+ else if (!b_empty_if_na)
+ fputs("---", stream);
+ break;
+ }
+ case '_':
+ fputc('\n', stream);
+ break;
+ case 'Z':
+ if (item == NULL)
break;
- case 'T':
- if( p_input )
+ {
+ char *value = input_item_GetNowPlayingFb(item);
+ if (value != NULL)
{
- int64_t i_time = var_GetTime( p_input, "time" );
- snprintf( buf, 10, "%02d:%02d:%02d",
- (int)( i_time / ( 3600000000 ) ),
- (int)( ( i_time / ( 60000000 ) ) % 60 ),
- (int)( ( i_time / 1000000 ) % 60 ) );
+ fputs(value, stream);
+ free(value);
}
else
{
- snprintf( buf, 10, 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;
+ char *title = input_item_GetTitleFbName(item);
- case ' ':
- b_empty_if_na = true;
- break;
+ if (write_meta(stream, item, vlc_meta_Artist) >= 0
+ && title != NULL)
+ fputs(" - ", stream);
- 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++;
+ if (title != NULL)
+ {
+ fputs(title, stream);
+ free(title);
+ }
+ }
+ }
+ break;
+ case ' ':
+ b_empty_if_na = true;
+ b_is_format = true;
+ break;
+ default:
+ fputc(c, stream);
+ break;
}
- s++;
}
- *(dst+d) = '\0';
- if( p_input )
- vlc_object_release( p_input );
-
- return dst;
+#ifdef HAVE_OPEN_MEMSTREAM
+ return (fclose(stream) == 0) ? str : NULL;
+#else
+ len = ftell(stream);
+ if (len != (size_t)-1)
+ {
+ rewind(stream);
+ str = xmalloc(len + 1);
+ fread(str, len, 1, stream);
+ str[len] = '\0';
+ }
+ else
+ str = NULL;
+ fclose(stream);
+ return str;
+#endif
}
-#undef INSERT_STRING
-#undef INSERT_STRING_NO_FREE
/**
- * Apply str format time and str format meta
+ * Remove forbidden, potentially forbidden and otherwise evil characters from
+ * filenames. This includes slashes, and popular characters like colon
+ * (on Unix anyway), so this should only be used for automatically generated
+ * filenames.
+ * \warning Do not use this on full paths,
+ * only single file names without any directory separator!
*/
-char *__str_format( vlc_object_t *p_this, const char *psz_src )
+void filename_sanitize( char *str )
{
- 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;
-}
+ unsigned char c;
-/**
- * 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] == '\0' || (str[1] == '.' && str[2] == '\0' ) ) )
+ /* Special file names, not allowed */
+ if( !strcmp( str, "." ) || !strcmp( str, ".." ) )
{
while( *str )
- {
- *str = '_';
- str++;
- }
- return str_base;
+ *(str++) = '_';
+ return;
}
-#if defined( WIN32 )
- // Change leading spaces into underscores
- while( *str && *str == ' ' )
- *str++ = '_';
-#endif
+ /* On platforms not using UTF-7, VLC cannot access non-Unicode paths.
+ * Also, some file systems require Unicode file names.
+ * NOTE: This may inserts '?' thus is done replacing '?' with '_'. */
+ EnsureUTF8( str );
- while( *str )
+ /* Avoid leading spaces to please Windows. */
+ while( (c = *str) != '\0' )
{
- switch( *str )
- {
- case '/':
-#if defined( __APPLE__ )
- case ':':
-#elif defined( WIN32 )
- case '\\':
- case '*':
- case '"':
- case '?':
- case ':':
- case '|':
- case '<':
- case '>':
-#endif
- *str = '_';
- }
+ if( c != ' ' )
+ break;
+ *(str++) = '_';
+ }
+
+ char *start = str;
+
+ while( (c = *str) != '\0' )
+ {
+ /* Non-printable characters are not a good idea */
+ if( c < 32 )
+ *str = '_';
+ /* This is the list of characters not allowed by Microsoft.
+ * We also black-list them on Unix as they may be confusing, and are
+ * not supported by some file system types (notably CIFS). */
+ else if( strchr( "/:\\*\"?|<>", c ) != NULL )
+ *str = '_';
str++;
}
-#if defined( WIN32 )
- // Change trailing spaces into underscores
- str--;
- while( str != str_base )
+ /* Avoid trailing spaces also to please Windows. */
+ while( str > start )
{
- if( *str != ' ' )
+ if( *(--str) != ' ' )
break;
- *str-- = '_';
+ *str = '_';
}
-#endif
-
- return str_base;
}
/**
*/
void path_sanitize( char *str )
{
-#ifdef WIN32
+#if defined( _WIN32 ) || defined( __OS2__ )
/* check drive prefix if path is absolute */
if( (((unsigned char)(str[0] - 'A') < 26)
|| ((unsigned char)(str[0] - 'a') < 26)) && (':' == str[1]) )
#if defined( __APPLE__ )
if( *str == ':' )
*str = '_';
-#elif defined( WIN32 )
+#elif defined( _WIN32 ) || defined( __OS2__ )
if( strchr( "*\"?:|<>", *str ) )
*str = '_';
if( *str == '/' )
}
}
-#include <vlc_url.h>
+/*
+ Decodes a duration as defined by ISO 8601
+ http://en.wikipedia.org/wiki/ISO_8601#Durations
+ @param str A null-terminated string to convert
+ @return: The duration in seconds. -1 if an error occurred.
-/**
- * Convert a file path to an URI. If already an URI, do nothing.
+ Exemple input string: "PT0H9M56.46S"
*/
-char *make_URI (const char *path)
+time_t str_duration( const char *psz_duration )
{
- 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 0
- /* Windows UNC paths (file://host/share/path instead of file:///path) */
- if (!strncmp (path, "\\\\", 2))
- {
- path += 2;
- buf = strdup ("file://");
- }
- else
-#endif
- 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++)
+ bool timeDesignatorReached = false;
+ time_t res = 0;
+ char* end_ptr;
+
+ if ( psz_duration == NULL )
+ return -1;
+ if ( ( *(psz_duration++) ) != 'P' )
+ return -1;
+ do
{
- size_t len = strcspn (ptr, DIR_SEP);
- char *component = encode_URI_bytes (ptr, len);
- if (component == NULL)
+ double number = us_strtod( psz_duration, &end_ptr );
+ double mul = 0;
+ if ( psz_duration != end_ptr )
+ psz_duration = end_ptr;
+ switch( *psz_duration )
{
- free (buf);
- return NULL;
+ case 'M':
+ {
+ //M can mean month or minutes, if the 'T' flag has been reached.
+ //We don't handle months though.
+ if ( timeDesignatorReached == true )
+ mul = 60.0;
+ break ;
+ }
+ case 'Y':
+ case 'W':
+ break ; //Don't handle this duration.
+ case 'D':
+ mul = 86400.0;
+ break ;
+ case 'T':
+ timeDesignatorReached = true;
+ break ;
+ case 'H':
+ mul = 3600.0;
+ break ;
+ case 'S':
+ mul = 1.0;
+ break ;
+ default:
+ break ;
}
- 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 == '\0')
- return buf;
- }
+ res += (time_t)(mul * number);
+ if ( *psz_duration )
+ psz_duration++;
+ } while ( *psz_duration );
+ return res;
}
projects / vlc / blobdiff