Differential D11304 Diff 47670 src/utils/directoryfindchilditem.cpp

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		1		#include <QtCore/QString>
		2		#include <QtCore/QUrl>
		3		#include <QtCore/QDir>
		4		#include "directoryfindchilditem.h"
		5		#include "QDebug"
		6
		7		/**
		8		* Returns the item which is located in "directory" argument
		9		* when "filename" is an item located in it or one of its children.
		10		* Returns an empty QUrl when that is not the case
		11		*
		12		* <pre>directoryFindChildItem("~/dir", "~/dir/x/y/z") -> "~/dir/x"</pre>
		13		*
		14		*
		15		* @param directory
		16		* @param filename
		17		* @return
		18		*/
		19		QUrl directoryFindChildItem(const QUrl& directory, const QUrl& filename)
		20		{
		21		const QString dirStr = directory.adjusted(QUrl::StripTrailingSlash).toString();
		22		const QString urlStr = filename.toString();
		23		const int dirLen = dirStr.length() + 1;
		24
		25		if (!urlStr.startsWith(dirStr)) {
		26		return QUrl();
		27		}
		28
		29		return QUrl(QStringLiteral("%1/%2").arg(
		30		dirStr, urlStr.mid(dirLen, urlStr.indexOf(QDir::separator(), dirLen + 1) - dirLen)));
		31		}