C++ AList::First方法代码示例

int ARegion::CanBeStartingCity( ARegionArray *pRA )
{
	if(type == R_OCEAN) return 0;
    if (!IsCoastal()) return 0;
    if (town && town->pop == 5000) return 0;

    int regs = 0;
    AList inlist;
    AList donelist;

    ARegionPtr * temp = new ARegionPtr;
    temp->ptr = this;
    inlist.Add(temp);

    while(inlist.Num()) {
        ARegionPtr * reg = (ARegionPtr *) inlist.First();
        for (int i=0; i<NDIRS; i++) {
            ARegion * r2 = reg->ptr->neighbors[i];
            if (!r2) continue;
            if (r2->type == R_OCEAN) continue;
            if (GetRegion(&inlist,r2->num)) continue;
            if (GetRegion(&donelist,r2->num)) continue;
            regs++;
            if (regs>20) return 1;
            ARegionPtr * temp = new ARegionPtr;
            temp->ptr = r2;
            inlist.Add(temp);
        }
        inlist.Remove(reg);
        donelist.Add(reg);
    }
    return 0;
}

ADVBConfig::ADVBConfig() : config(AString(DEFAULTCONFDIR).CatPath("dvb"), false),
						   defaults(20, &AString::DeleteString),
						   webresponse(false)
{
	static const struct {
		const char *name;
		const char *value;
	} __defaults[] = {
		{"prehandle",  		 	"2"},
		{"posthandle", 		 	"3"},
		{"pri", 	   		 	"0"},
		{"dir",              	""},
		{"h264crf",      	 	"17"},
		{"maxvideorate", 	 	"2000k"},
		{"aacbitrate", 	 	 	"160k"},
		{"mp3bitrate", 	 	 	"160k"},
		{"copyvideo", 	 	 	"-vcodec copy"},
		{"copyaudio", 	 	 	"-acodec copy"},
		{"mp3audio",  	 	 	"-acodec mp3 -b:a {conf:mp3bitrate}"},
		{"h264preset",   	 	"veryfast"},
		{"h264bufsize",  	 	"3000k"},
		{"videodeinterlace", 	"yadif"},
		{"videofilter",  	 	"-filter:v {conf:videodeinterlace}"},
		{"filters",		 	 	"{conf:videofilter} {conf:audiofilter}"},
		{"encodeflags",	 	 	"-movflags +faststart"},
		{"h264video", 	 	 	"-vcodec libx264 -preset {conf:h264preset} -crf {conf:h264crf} -maxrate {conf:maxvideorate} -bufsize {conf:h264bufsize} {conf:encodeflags} {conf:filters}"},
		{"aacaudio",  	 	 	"-acodec libfdk_aac -b:a {conf:aacbitrate}"},
		{"encodecopy",   	 	"{conf:copyvideo} {conf:mp3audio}"},
		{"encodeh264",   	 	"{conf:h264video} {conf:aacaudio}"},
		{"encodeargs",   	 	"{conf:encodeh264}"},
		{"encodeaudioonlyargs", "{conf:mp3audio}"},
	};
	uint_t i;

	for (i = 0; i < NUMBEROF(__defaults); i++) {
		defaults.Insert(__defaults[i].name, (uptr_t)new AString(__defaults[i].value));
	}

	CreateDirectory(GetConfigDir());
	CreateDirectory(GetDataDir());
	CreateDirectory(GetLogDir());
	CreateDirectory(GetRecordingsStorageDir());
	CreateDirectory(GetRecordingsDir());
	CreateDirectory(GetTempDir());

	if (CommitScheduling()) {
		AList   users;
		AString dir;

		ListUsers(users);

		const AString *user = AString::Cast(users.First());
		while (user) {
			if (((dir = GetRecordingsDir(*user)).Valid())        && (dir.Pos("{") < 0)) CreateDirectory(dir);
			if (((dir = GetRecordingsArchiveDir(*user)).Valid()) && (dir.Pos("{") < 0)) CreateDirectory(dir);

			user = user->Next();
		}
	}
}

bool TraverseFiles(const AList& list, bool (*fn)(const AFileNode& file, void *context), void *context)
{
	const AListNode *node = list.First();
	const AFileNode *file;
	bool  success = true;

	while (node && success) {
		if ((file = AFileNode::Cast(node)) != NULL) {
			success = (*fn)(*file, context);
		}

		node = node->Next();
	}

	return success;
}

void ADVBConfig::ListUsers(AList& list) const
{
	AHash 	 users(10);
	AList 	 userpatterns;
	AString  filepattern 	   = GetUserPatternsPattern();
	AString  filepattern_parsed = ParseRegex(filepattern);
	AString  _users             = GetConfigItem("users");
	AStdFile fp;
	uint_t   i, n = _users.CountColumns();

	//debug("Reading users from config %s\n", config.GetFilename().str());

	for (i = 0; i < n; i++) {
		AString user = _users.Column(i).Words(0);

		if (!users.Exists(user)) {
			users.Insert(user, 0);
			list.Add(new AString(user));
		}
	}

	if (fp.open(GetPatternsFile())) {
		AString line;

		while (line.ReadLn(fp) >= 0) {
			AString user;
			int p;

			if		((p = line.PosNoCase(" user:=")) >= 0) user = line.Mid(p + 7).Word(0).DeQuotify();
			else if (line.PosNoCase("user:=") == 0)        user = line.Mid(6).Word(0).DeQuotify();

			if (user.Valid() && !users.Exists(user)) {
				users.Insert(user, 0);
				list.Add(new AString(user));
			}
		}

		fp.close();
	}

	::CollectFiles(filepattern.PathPart(), filepattern.FilePart(), 0, userpatterns);

	const AString *file = AString::Cast(userpatterns.First());
	while (file) {
		AString   user;
		ADataList regions;

		if (MatchRegex(*file, filepattern_parsed, regions)) {
			const REGEXREGION *region = (const REGEXREGION *)regions[0];

			if (region) {
				user = file->Mid(region->pos, region->len);
				if (!users.Exists(user)) {
					users.Insert(user, 0);
					list.Add(new AString(user));
				}
			}
		}

		file = file->Next();
	}

	list.Sort(&AString::AlphaCompareCase);
}