/*
?*?This?file?is?part?of?MPlayer.
?*
?*?MPlayer?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.
?*
?*?MPlayer?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?MPlayer;?if?not?write?to?the?Free?Software?Foundation?Inc.
?*?51?Franklin?Street?Fifth?Floor?Boston?MA?02110-1301?USA.
?*/

#include?“config.h“

#include?
#include?
#include?
#include?
#include?

#include?“playtree.h“
#include?“playtreeparser.h“
#include?“stream/stream.h“
#include?“libmpdemux/demuxer.h“
#include?“asxparser.h“
#include?“mp_msg.h“
#include?“m_config.h“
#include?“mpcommon.h“

//////?List?utils

void
asx_list_free（void*?list_ptrASX_FreeFunc?free_func）?{
??void**?ptr?=?*（void***）list_ptr;
??if（ptr?==?NULL）?return;
??if（free_func?!=?NULL）?{
????for（?;?*ptr?!=?NULL?;?ptr++）
??????free_func（*ptr）;
??}
??free（*（void**）list_ptr）;
??*（void**）list_ptr?=?NULL;
}

///////?Attribs?utils

char*
asx_get_attrib（const?char*?attribchar**?attribs）?{
??char**?ptr;

??if（attrib?==?NULL?||?attribs?==?NULL）?return?NULL;
??for（ptr?=?attribs;?ptr[0]?!=?NULL;?ptr?+=?2）{
????if（strcasecmp（ptr[0]attrib）?==?0）
??????return?strdup（ptr[1]）;
??}
??return?NULL;
}

int
asx_attrib_to_enum（const?char*?valchar**?valid_vals）?{
??char**?ptr;
??int?r?=?0;

??if（valid_vals?==?NULL?||?val?==?NULL）?return?-2;
??for（ptr?=?valid_vals?;?ptr[0]?!=?NULL?;?ptr++）?{
????if（strcasecmp（valptr[0]）?==?0）?return?r;
????r++;
??}

??return?-1;
}

#define?asx_warning_attrib_required（pea）?mp_msg（MSGT_PLAYTREEMSGL_WARN“At?line?%d?:?element?%s?don‘t?have?the?required?attribute?%s“p->lineea）
#define?asx_warning_body_parse_error（pe）?mp_msg（MSGT_PLAYTREEMSGL_WARN“At?line?%d?:?error?while?parsing?%s?body“p->linee）

ASX_Parser_t*
asx_parser_new（void）?{
??ASX_Parser_t*?parser?=?calloc（1sizeof（ASX_Parser_t））;
??return?parser;
}

void
asx_parser_free（ASX_Parser_t*?parser）?{
??if（!parser）?return;
??free（parser->ret_stack）;
??free（parser）;

}

#define?LETTER?“abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ“
#define?SPACE?“?\n\t\r“

int
asx_parse_attribs（ASX_Parser_t*?parserchar*?bufferchar***?_attribs）?{
??char?*ptr1?*ptr2?*ptr3;
??int?n_attrib?=?0;
??char?**attribs?=?NULL;
??char?*attrib?*val;

??ptr1?=?buffer;
??while（1）?{
????for（?;?strchr（SPACE*ptr1）?!=?NULL;?ptr1++）?{?//?Skip?space
??????if（*ptr1?==?‘\0‘）?break;
????}
????ptr3?=?strchr（ptr1‘=‘）;
????if（ptr3?==?NULL）?break;
????for（ptr2?=?ptr3-1;?strc