C++ const_iterator::size方法代码示例

	Qualities Visualizer::parseQualities(QString raw_qualities)
	{
		Qualities ret;
		QStringList qualities = raw_qualities.split('&');
		for(QStringList::const_iterator cqi = qualities.constBegin()
				, cqiend = qualities.constEnd(); cqi != cqiend; ++cqi)
			if(cqi->size())
			{
				QStringList key_and_value = cqi->split("=");
				QString key = key_and_value.takeFirst();
				filter_model_.checkKey(key);
				QVariant &value = ret[key];
				QString str = key_and_value.join("=");
				bool is_double = false;
				double d = str.toDouble(&is_double);
				value = is_double ? QVariant(d) : QVariant(str);
			}
		return ret;
	}

CodaClientApplication::ParseArgsResult CodaClientApplication::parseArguments(QString *errorMessage)
{
    int argNumber = 1;
    const QStringList args = QCoreApplication::arguments();
    const QStringList::const_iterator cend = args.constEnd();
    QStringList::const_iterator it = args.constBegin();
    bool optionsEnd = false;
    for (++it; it != cend; ++it) {
        if (!optionsEnd  && *it == QLatin1String("--")) {
            optionsEnd = true;
            continue;
        }
        if (!optionsEnd &&  it->startsWith(QLatin1Char('-')) && it->size() == 2) {
            switch (it->at(1).toAscii()) {
            case 'v':
                m_verbose++;
                break;
            case 'd':
                m_launchDebug = true;
                break;
            case 's':
                m_installSilently = true;
                break;
            case 'c':
                if (++it == cend) {
                    *errorMessage = QString::fromLatin1("Parameter missing for -c");
                    return ParseArgsError;
                }
                m_putChunkSize = it->toULongLong() * 1024;
                if (!m_putChunkSize) {
                    *errorMessage = QString::fromLatin1("Invalid chunk size.");
                    return ParseArgsError;
                }
                break;
            default:
                *errorMessage = QString::fromLatin1("Invalid option %1").arg(*it);
                return ParseArgsError;
            }
        } else {
            if (!parseArgument(*it, argNumber++, errorMessage))
                return ParseArgsError;
        }
    } //for loop
    // Basic Check & init
    switch (m_mode) {
    case Invalid:
        return ParseArgsError;
    case Launch:
        if (m_address.isEmpty() || !m_launchUID || m_launchBinary.isEmpty()) {
            *errorMessage = QString::fromLatin1("Not enough parameters for launch.");
            return ParseInitError;
        }
        break;
    case Ping:
        if (m_address.isEmpty()) {
            *errorMessage = QString::fromLatin1("Not enough parameters for ping.");
            return ParseInitError;
        }
        if (!isSerialPort(m_address)) {
            *errorMessage = QString::fromLatin1("'ping' not supported for TCP/IP.");
            return ParseInitError;
        }
        break;
    case Install:
        if (m_address.isEmpty() || m_installSisFile.isEmpty()) {
            *errorMessage = QString::fromLatin1("Not enough parameters for install.");
            return ParseInitError;
        }
        break;
    case Uninstall:
        if (!m_uninstallPackage) {
            *errorMessage = QString::fromLatin1("Not enough parameters for uninstall.");
            return ParseInitError;
        }
        break;
    case Put: {
        if (m_address.isEmpty() || m_putLocalFile.isEmpty() || m_putRemoteFile.isEmpty()) {
            *errorMessage = QString::fromLatin1("Not enough parameters for put.");
            return ParseInitError;
        }
        const QFileInfo fi(m_putLocalFile);
        if (!fi.isFile() || !fi.isReadable()) {
            *errorMessage = QString::fromLatin1("Local file '%1' not readable.").arg(m_putLocalFile);
            return ParseInitError;
        }
    }
        break;
    default:
        break;
    }
    return ParseArgsOk;
}

void LocalImageLoaderPrivate::prepareImages() {
	QString file, filename, mime, stickerMime = qsl("image/webp");
    int32 filesize = 0;
	QImage img;
	QByteArray data;
	PeerId peer;
    uint64 id, thumbId = 0;
	int32 duration = 0;
	QString thumbExt = "jpg";
	ToPrepareMediaType type;
	bool animated = false;
	bool ctrlShiftEnter = false;
	MsgId replyTo = 0;
	{
		QMutexLocker lock(loader->toPrepareMutex());
		ToPrepareMedias &list(loader->toPrepareMedias());
		if (list.isEmpty()) return;

		file = list.front().file;
		img = list.front().img;
		data = list.front().data;
		peer = list.front().peer;
		id = list.front().id;
		type = list.front().type;
		duration = list.front().duration;
		ctrlShiftEnter = list.front().ctrlShiftEnter;
		replyTo = list.front().replyTo;
	}

	if (img.isNull()) {
		if (!file.isEmpty()) {
			QFileInfo info(file);
			if (type == ToPrepareAuto) {
				QString lower(file.toLower());
				const QStringList &photoExtensions(cPhotoExtensions());
				for (QStringList::const_iterator i = photoExtensions.cbegin(), e = photoExtensions.cend(); i != e; ++i) {
					if (lower.lastIndexOf(*i) == lower.size() - i->size()) {
						if (info.size() < MaxUploadPhotoSize) {
							type = ToPreparePhoto;
							break;
						}
					}
				}
				if (type == ToPrepareAuto && info.size() < MaxUploadDocumentSize) {
					type = ToPrepareDocument;
				}
			}
			if (type == ToPrepareDocument) {
				mime = mimeTypeForFile(info).name();
			}
			if (type != ToPrepareAuto && info.size() < MaxUploadPhotoSize) {
				bool opaque = (mime != stickerMime);
				img = App::readImage(file, 0, opaque, &animated);
			}
			filename = info.fileName();
			filesize = info.size();
		} else if (!data.isEmpty()) {
			if (type != ToPrepareAudio) {
				img = App::readImage(data, 0, true, &animated);
				if (type == ToPrepareAuto) {
					if (!img.isNull() && data.size() < MaxUploadPhotoSize) {
						type = ToPreparePhoto;
					} else if (data.size() < MaxUploadDocumentSize) {
						type = ToPrepareDocument;
					} else {
						img = QImage();
					}
				}
			}
			MimeType mimeType = mimeTypeForData(data);
			if (type == ToPrepareDocument || type == ToPrepareAudio) {
				mime = mimeType.name();
			}
			if (mime == "image/jpeg") {
				filename = filedialogDefaultName(qsl("image"), qsl(".jpg"), QString(), true);
			} else if (type == ToPrepareAudio) {
				filename = filedialogDefaultName(qsl("audio"), qsl(".ogg"), QString(), true);
				mime = "audio/ogg";
			} else {
				QString ext;
				QStringList patterns = mimeType.globPatterns();
				if (!patterns.isEmpty()) {
					ext = patterns.front().replace('*', QString());
				}
				filename = filedialogDefaultName((type == ToPrepareAudio) ? qsl("audio") : qsl("doc"), ext, QString(), true);
			}
			filesize = data.size();
		}
	} else {
		if (type == ToPrepareDocument) {
			filename = filedialogDefaultName(qsl("image"), qsl(".png"), QString(), true);
			mime = mimeTypeForName("image/png").name();
			data = QByteArray();
			{
				QBuffer b(&data);
				img.save(&b, "PNG");
			}
			filesize = data.size();
		} else {
			if (img.hasAlphaChannel()) {
//.........这里部分代码省略.........

void LocalImageLoaderPrivate::prepareImages() {
	QString file, filename, mime;
    int32 filesize = 0;
	QImage img;
	QByteArray data;
	PeerId peer;
    uint64 id, jpeg_id = 0;
	ToPrepareMediaType type;
	{
		QMutexLocker lock(loader->toPrepareMutex());
		ToPrepareMedias &list(loader->toPrepareMedias());
		if (list.isEmpty()) return;

		file = list.front().file;
		img = list.front().img;
		data = list.front().data;
		peer = list.front().peer;
		id = list.front().id;
		type = list.front().type;
	}

	if (img.isNull()) {
		if (!file.isEmpty()) {
			QFileInfo info(file);
			if (type == ToPrepareAuto) {
				QString lower(file.toLower());
				const QStringList &photoExtensions(cPhotoExtensions());
				for (QStringList::const_iterator i = photoExtensions.cbegin(), e = photoExtensions.cend(); i != e; ++i) {
					if (lower.lastIndexOf(*i) == lower.size() - i->size()) {
						if (info.size() < MaxUploadPhotoSize) {
							type = ToPreparePhoto;
							break;
						}
					}
				}
				if (type == ToPrepareAuto && info.size() < MaxUploadDocumentSize) {
					type = ToPrepareDocument;
				}
			}
			if (type != ToPrepareAuto && info.size() < MaxUploadPhotoSize) {
				img = App::readImage(file);
			}
			if (type == ToPrepareDocument) {
				mime = QMimeDatabase().mimeTypeForFile(info).name();
			}
			filename = info.fileName();
			filesize = info.size();
		} else if (!data.isEmpty()) {
			img = App::readImage(data);
			if (type == ToPrepareAuto) {
				if (!img.isNull() && data.size() < MaxUploadPhotoSize) {
					type = ToPreparePhoto;
				} else if (data.size() < MaxUploadDocumentSize) {
					type = ToPrepareDocument;
				} else {
					img = QImage();
				}
			}
			QMimeType mimeType = QMimeDatabase().mimeTypeForData(data);
			if (type == ToPrepareDocument) {
				mime = mimeType.name();
			}
			filename = qsl("Document");
			QStringList patterns = mimeType.globPatterns();
			if (!patterns.isEmpty()) {
				filename = patterns.front().replace('*', filename);
			}
			filesize = data.size();
		}
	} else {
		if (type == ToPrepareDocument) {
			filename = filedialogDefaultName(qsl("image"), qsl(".png"), QString(), true);
			QMimeType mimeType = QMimeDatabase().mimeTypeForName("image/png");
			data = QByteArray();
			{
				QBuffer b(&data);
				img.save(&b, "PNG");
			}
			filesize = data.size();
		} else {
			type = ToPreparePhoto; // only photo from QImage
			filename = qsl("Untitled.jpg");
			filesize = 0;
		}
	}

	if ((img.isNull() && (type != ToPrepareDocument || !filesize)) || type == ToPrepareAuto || (img.isNull() && file.isEmpty() && data.isEmpty())) { // if could not decide what type
		{
			QMutexLocker lock(loader->toPrepareMutex());
			ToPrepareMedias &list(loader->toPrepareMedias());
			list.pop_front();
		}

		QTimer::singleShot(1, this, SLOT(prepareImages()));

		emit imageFailed(id);
	} else {
		PreparedPhotoThumbs photoThumbs;
		QVector<MTPPhotoSize> photoSizes;

//.........这里部分代码省略.........

bool MatchParser::parse()
{
	QStringList::const_iterator it;
	for (it = m_args.constBegin(); it != m_args.constEnd(); ++it)
	{
		if (!m_validOptions.contains(*it))
		{
			qWarning("Unknown option: \"%s\"", qPrintable(*it));
			return false;
		}
		QString name = *it;
		PrivateOption& option = m_validOptions[name];

		QStringList list;
		while (++it != m_args.constEnd())
		{
			if (it->size() > 1 && it->startsWith('-'))
			{
				bool ok = false;
				it->toDouble(&ok);
				if (!ok)
					break;
			}
			list << *it;
		}
		--it;
		
		if (!option.duplicates && contains(name))
		{
			qWarning("Multiple instances of option \"%s\"",
				 qPrintable(name));
			return false;
		}

		if (list.size() < option.minArgs)
		{
			if (option.maxArgs == option.minArgs)
				qWarning("Option \"%s\" needs %d argument(s)",
					 qPrintable(name), option.minArgs);
			else
				qWarning("Option \"%s\" needs at least %d argument(s)",
					 qPrintable(name), option.minArgs);
			return false;
		}
		if (option.maxArgs != -1 && list.size() > option.maxArgs)
		{
			qWarning("Too many arguments for option \"%s\"",
				 qPrintable(name));
			return false;
		}
		
		// Boolean option
		if (list.isEmpty())
		{
			Option tmp = { name, QVariant(true) };
			m_options.insert(option.priority, tmp);
			continue;
		}
		
		QVariant value;
		if (option.type == QVariant::StringList)
			value.setValue(list);
		else
			value.setValue(list.join(" "));
		if (!value.convert(option.type))
		{
			qWarning("Invalid value for option \"%s\": \"%s\"",
				 qPrintable(name),
				 qPrintable(list.join(" ")));
			return false;
		}
		
		Option tmp = { name, value };
		m_options.insert(option.priority, tmp);
	}

	return true;
}