asx.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:4k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: asx.c 346 2005-11-21 22:20:40Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #include "../common.h"
- #include "asx.h"
- static const guid ASFHeader = { 0x75B22630, 0x668E, 0x11CF, { 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C }};
- static int ReadListRef(playlist* p,tchar_t* Path,int PathLen,tchar_t* DispName,int DispNameLen,tick_t* Length)
- {
- int i;
- tchar_t s[MAXLINE];
- DispName[0] = 0;
- *Length = -1;
- while (ParserLine(&p->Parser,s,MAXLINE))
- {
- tcsuprto(s,'=');
- if (stscanf(s,T("REF%d ="),&i)==1)
- {
- tchar_t* p = tcschr(s,'=');
- if (p++)
- {
- while (IsSpace(*p)) ++p;
- tcscpy_s(Path,PathLen,p);
- return ERR_NONE;
- }
- }
- }
- return ERR_END_OF_FILE;
- }
- static int ReadList(playlist* p,tchar_t* Path,int PathLen,tchar_t* DispName,int DispNameLen,tick_t* Length)
- {
- tchar_t Token[MAXTOKEN];
- Path[0] = 0;
- DispName[0] = 0;
- *Length = -1;
- while (ParserIsElement(&p->Parser,Token,MAXTOKEN))
- {
- if (tcsicmp(Token,T("/ENTRY"))==0)
- {
- if (Path[0])
- return ERR_NONE;
- DispName[0] = 0;
- }
- else
- if (tcsicmp(Token,T("TITLE"))==0)
- ParserElementContent(&p->Parser,DispName,DispNameLen);
- else
- if (tcsicmp(Token,T("REF"))==0 && !Path[0])
- {
- while (ParserIsAttrib(&p->Parser,Token,MAXTOKEN))
- {
- if (tcsicmp(Token,T("HREF"))==0)
- ParserAttribString(&p->Parser,Path,PathLen);
- else
- ParserAttribSkip(&p->Parser);
- }
- }
- else
- ParserElementSkip(&p->Parser);
- }
- return ERR_END_OF_FILE;
- }
- static int UpdateStream(playlist* p)
- {
- p->ReadList = (playreadlist)ReadList;
- if (p->Stream)
- {
- // detect asf files (some files have wrong extensions...)
- const uint8_t* Data = ParserPeek(&p->Parser,16);
- if (Data)
- {
- guid Id;
- Id.v1 = Data[0] | (Data[1] << 8) | (Data[2] << 16) | (Data[3] << 24);
- Data += 4;
- Id.v2 = (uint16_t)(Data[0] | (Data[1] << 8));
- Data += 2;
- Id.v3 = (uint16_t)(Data[0] | (Data[1] << 8));
- Data += 2;
- memcpy(Id.v4,Data,8);
- if (memcmp(&Id, &ASFHeader, sizeof(guid))==0)
- {
- ParserStream(&p->Parser,NULL);
- return ERR_INVALID_DATA;
- }
- }
- // detect web reference files
- if (ParserIsToken(&p->Parser,T("[Reference]")))
- p->ReadList = (playreadlist)ReadListRef;
- }
- return ERR_NONE;
- }
- static int WriteList(playlist* p, const tchar_t* Path,const tchar_t* DispName,tick_t Length)
- {
- if (p->No<0)
- {
- p->No=0;
- StreamPrintf(p->Stream,T("<ASX version = "3.0">n"));
- StreamPrintf(p->Stream,T(" <PARAM NAME = "Encoding" VALUE = "UTF-8" />n"));
- }
- if (Path)
- {
- StreamPrintf(p->Stream,T(" <ENTRY>n"));
- if (DispName)
- StreamPrintfEx(p->Stream,1,T(" <TITLE>%s</TITLE>n"),DispName);
- StreamPrintfEx(p->Stream,1,T(" <REF HREF = "%s" />n"),Path);
- StreamPrintf(p->Stream,T(" </ENTRY>n"));
- }
- else
- StreamPrintf(p->Stream,T("</ASX>n"));
- return ERR_NONE;
- }
- static int Create(playlist* p)
- {
- p->UpdateStream = (nodefunc)UpdateStream;
- p->ReadList = (playreadlist)ReadList;
- p->WriteList = (playwritelist)WriteList;
- return ERR_NONE;
- }
- static const nodedef ASX =
- {
- sizeof(playlist),
- ASX_ID,
- PLAYLIST_CLASS,
- PRI_DEFAULT,
- (nodecreate)Create,
- NULL,
- };
- void ASX_Init()
- {
- NodeRegisterClass(&ASX);
- }
- void ASX_Done()
- {
- NodeUnRegisterClass(ASX_ID);
- }