diff --git a/CMakeLists.txt b/CMakeLists.txt
index c9ed1d8d..c9fe620b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0)
 cmake_policy(SET CMP0017 NEW) # need include() with .cmake
 project(pip)
 set(pip_MAJOR    2)
-set(pip_MINOR    97)
+set(pip_MINOR    98)
 set(pip_REVISION 0)
 set(pip_SUFFIX   )
 set(pip_COMPANY  SHS)
diff --git a/libs/main/core/piobject_macros.h b/libs/main/core/piobject_macros.h
index ad3faf90..9fae4ec8 100644
--- a/libs/main/core/piobject_macros.h
+++ b/libs/main/core/piobject_macros.h
@@ -390,32 +390,32 @@
 
 #define PIOBJECT(name) \
 	protected: \
-	typedef name __PIObject__; \
+		typedef name __PIObject__; \
 	public: \
-	static const char * __classNameCC() {return #name;} \
-	static uint __classNameIDS() {static uint ret = PIStringAscii(#name).hash(); return ret;} \
-	virtual const char * className() const {return #name;} \
-	virtual uint classNameID() const {static uint ret = PIStringAscii(#name).hash(); return ret;} \
+		static const char * __classNameCC() {return #name;} \
+		static uint __classNameIDS() {static uint ret = PIStringAscii(#name).hash(); return ret;} \
+		const char * className() const override {return #name;} \
+		uint classNameID() const override {static uint ret = PIStringAscii(#name).hash(); return ret;} \
 	private: \
-	virtual int ptrOffset() const {name * o = (name*)100; return int(llong((PIObject*)o) - llong(o));} \
-	class __BaseInitializer__ { \
-	public: \
-		__BaseInitializer__() { \
-			uint pid = PIObject::__classNameIDS(); \
-			if (pid == 0) return; \
-			uint id = __classNameIDS(); \
-			PIMutexLocker ml(__meta_mutex()); \
-			if (__meta_data().contains(id)) return; \
-			__meta_data()[pid]; \
-			__meta_data()[id]; \
-			__MetaData & ehp(__meta_data()[pid]); \
-			__MetaData & eh(__meta_data()[id]); \
-			eh.eh_set << ehp.eh_set; \
-			eh.eh_func << ehp.eh_func; \
-			eh.addScope(__classNameCC(), id); \
-		} \
-	}; \
-	__BaseInitializer__ __base_init__;
+		int ptrOffset() const override {name * o = (name*)100; return int(llong((PIObject*)o) - llong(o));} \
+		class __BaseInitializer__ { \
+		public: \
+			__BaseInitializer__() { \
+				uint pid = PIObject::__classNameIDS(); \
+				if (pid == 0) return; \
+				uint id = __classNameIDS(); \
+				PIMutexLocker ml(__meta_mutex()); \
+				if (__meta_data().contains(id)) return; \
+				__meta_data()[pid]; \
+				__meta_data()[id]; \
+				__MetaData & ehp(__meta_data()[pid]); \
+				__MetaData & eh(__meta_data()[id]); \
+				eh.eh_set << ehp.eh_set; \
+				eh.eh_func << ehp.eh_func; \
+				eh.addScope(__classNameCC(), id); \
+			} \
+		}; \
+		__BaseInitializer__ __base_init__;
 
 #define PIOBJECT_PARENT(name) \
 	class __ParentInitializer__ { \
@@ -437,8 +437,8 @@
 	}; \
 	__ParentInitializer__ __parent_init__; \
 	public: \
-	virtual const char * parentClassName() const {return #name;} \
-	typedef name __Parent__; \
+		const char * parentClassName() const override {return #name;} \
+		typedef name __Parent__; \
 	private:
 
 #define PIOBJECT_SUBCLASS(name, parent) PIOBJECT(name) PIOBJECT_PARENT(parent)
diff --git a/libs/main/core/pitextstream.h b/libs/main/core/pitextstream.h
index c5f7bbc3..b4842be2 100644
--- a/libs/main/core/pitextstream.h
+++ b/libs/main/core/pitextstream.h
@@ -146,7 +146,7 @@ public:
 
 	//! \~english Read character
 	//! \~russian Читает символ
-	char takeChar(bool * rok) {
+	char readChar(bool * rok) {
 		char ret;
 		bool ok = s->binaryStreamTake(&ret, sizeof(ret));
 		if (!ok) is_end = true;
@@ -156,11 +156,11 @@ public:
 
 	//! \~english Read line
 	//! \~russian Читает строку
-	PIString takeLine() {
+	PIString readLine() {
 		PIByteArray ret;
 		bool ok = true;
 		for (;;) {
-			char b = takeChar(&ok);
+			char b = readChar(&ok);
 			if (!ok || b == '\n') break;
 			if (b != '\r')
 				ret.append((uchar)b);
@@ -170,16 +170,16 @@ public:
 
 	//! \~english Read word, skip leading whitespaces, until next whitespace
 	//! \~russian Читает слово, пропуская начальные пробельные символы, до следующего пробельного символа
-	PIString takeWord() {
+	PIString readWord() {
 		static PIConstChars spaces(" \t\n\r");
-		return takeUntil(spaces);
+		return readUntil(spaces);
 	}
 
 	//! \~english
 	//! \~russian
-	PIString takeCWord() {
+	PIString readCWord() {
 		static PIConstChars chars(" \t\n\r:;%$&#@!?~/*-+=.,\\\"'`[](){}<>");
-		return takeUntil(chars);
+		return readUntil(chars);
 	}
 
 private:
@@ -190,7 +190,7 @@ private:
 		}
 		return PIString();
 	}
-	PIString takeUntil(const PIConstChars & chars) {
+	PIString readUntil(const PIConstChars & chars) {
 		//static PIConstChars spaces(" \t\n\r");
 		bool ok = true;
 		char c = skipWhile(chars, &ok);
@@ -198,7 +198,7 @@ private:
 		PIByteArray ret;
 		ret.append((uchar)c);
 		for (;;) {
-			c = takeChar(&ok);
+			c = readChar(&ok);
 			if (!ok || chars.contains(c)) break;
 			ret.append((uchar)c);
 		}
@@ -209,7 +209,7 @@ private:
 		bool ok = true;
 		char c = 0;
 		for (;;) {
-			c = takeChar(&ok);
+			c = readChar(&ok);
 			if (!ok || !chars.contains(c)) break;
 		}
 		if (rok) *rok = ok;
@@ -291,51 +291,51 @@ template<typename P> inline PITextStream<P> & operator <<(PITextStream<P> & s, c
 
 //! \~english Read word as bool
 //! \~russian Читает слово как логическое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, bool   & v) {v = s.takeWord().toBool(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, bool   & v) {v = s.readWord().toBool(); return s;}
 
 //! \~english Read character
 //! \~russian Читает символ
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  char  & v) {v = s.takeChar(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  char  & v) {v = s.readChar(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, uchar  & v) {v = s.takeWord().toUInt(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, uchar  & v) {v = s.readWord().toUInt(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  short & v) {v = s.takeWord().toInt(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  short & v) {v = s.readWord().toInt(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, ushort & v) {v = s.takeWord().toUInt(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, ushort & v) {v = s.readWord().toUInt(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  int   & v) {v = s.takeWord().toInt(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  int   & v) {v = s.readWord().toInt(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, uint   & v) {v = s.takeWord().toUInt(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, uint   & v) {v = s.readWord().toUInt(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  llong & v) {v = s.takeWord().toLLong(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s,  llong & v) {v = s.readWord().toLLong(); return s;}
 
 //! \~english Read word as integer
 //! \~russian Читает слово как целое
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, ullong & v) {v = s.takeWord().toULLong(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, ullong & v) {v = s.readWord().toULLong(); return s;}
 
 //! \~english Read word as floating-point number
 //! \~russian Читает слово как число с плавающей точкой
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, float  & v) {v = s.takeWord().toFloat(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, float  & v) {v = s.readWord().toFloat(); return s;}
 
 //! \~english Read word as floating-point number
 //! \~russian Читает слово как число с плавающей точкой
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, double & v) {v = s.takeWord().toDouble(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, double & v) {v = s.readWord().toDouble(); return s;}
 
 
 //! \~english Read word
 //! \~russian Читает слово
-template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, PIString & v) {v = s.takeWord(); return s;}
+template<typename P> inline PITextStream<P> & operator >>(PITextStream<P> & s, PIString & v) {v = s.readWord(); return s;}
 
 #endif
diff --git a/libs/main/io_devices/piconfig.cpp b/libs/main/io_devices/piconfig.cpp
index 62212c01..476dcf01 100644
--- a/libs/main/io_devices/piconfig.cpp
+++ b/libs/main/io_devices/piconfig.cpp
@@ -267,33 +267,19 @@ void PIConfig::Entry::piCoutt(PICout s, const PIString & p) const {
 
 PIConfig::PIConfig(const PIString & path, PIIODevice::DeviceMode mode) {
 	_init();
-	own_dev = true;
-	dev = new PIFile(path, mode);
-	if (!dev->isOpened())
-		dev->open(path, mode);
-	incdirs << PIFile::fileInfo(path).dir();
-	parse();
+	open(path, mode);
 }
 
 
 PIConfig::PIConfig(PIString * string, PIIODevice::DeviceMode mode) {
 	_init();
-	own_dev = true;
-	dev = new PIIOString(string, mode);
-	parse();
+	open(string, mode);
 }
 
 
 PIConfig::PIConfig(PIIODevice * device, PIIODevice::DeviceMode mode) {
 	_init();
-	own_dev = false;
-	dev = device;
-	if (dev) {
-		dev->open(mode);
-		if (PIString(dev->className()) == "PIFile")
-			incdirs << PIFile::fileInfo(((PIFile*)dev)->path()).dir();
-	}
-	parse();
+	open(device, mode);
 }
 
 
@@ -317,43 +303,57 @@ PIConfig::PIConfig(const PIString & path, PIStringList dirs) {
 		dev = 0;
 		return;
 	}
+	_setupDev();
 	parse();
 }
 
 
 PIConfig::~PIConfig() {
 	root.deleteBranch();
-	if (own_dev && dev) delete dev;
-	dev = 0;
-	piForeach (PIConfig * c, inc_devs)
-		delete c;
-	inc_devs.clear();
-	includes.clear();
+	_destroy();
 }
 
 
 bool PIConfig::open(const PIString & path, PIIODevice::DeviceMode mode) {
-	if (own_dev && dev) delete dev;
+	_destroy();
+	incdirs << PIFile::fileInfo(path).dir();
 	own_dev = true;
 	dev = new PIFile(path, mode);
 	if (!dev->isOpened())
 		dev->open(path, mode);
+	_setupDev();
 	parse();
 	return dev->isOpened();
 }
 
 
 bool PIConfig::open(PIString * string, PIIODevice::DeviceMode mode) {
-	if (own_dev && dev) delete dev;
+	_destroy();
 	own_dev = true;
 	dev = new PIIOString(string, mode);
+	_setupDev();
 	parse();
 	return true;
 }
 
 
+bool PIConfig::open(PIIODevice * device, PIIODevice::DeviceMode mode) {
+	_destroy();
+	own_dev = false;
+	dev = device;
+	if (dev) {
+		dev->open(mode);
+		if (dev->isTypeOf<PIFile>())
+			incdirs << PIFile::fileInfo(((PIFile*)dev)->path()).dir();
+	}
+	_setupDev();
+	parse();
+	if (device) return device->isOpened();
+	return false;
+}
+
+
 void PIConfig::_init() {
-	internal = false;
 	delim = PIStringAscii(".");
 	root.delim = delim;
 	empty.delim = delim;
@@ -361,6 +361,26 @@ void PIConfig::_init() {
 }
 
 
+void PIConfig::_destroy() {
+	if (stream) {
+		delete stream;
+		stream = nullptr;
+	}
+	if (own_dev && dev) delete dev;
+	dev = nullptr;
+	piForeach (PIConfig * c, inc_devs)
+		delete c;
+	inc_devs.clear();
+}
+
+
+void PIConfig::_setupDev() {
+	if (!dev) return;
+	stream = new PIIOTextStream(dev);
+	stream->setEncoding(PIIOTextStream::UTF8);
+}
+
+
 void PIConfig::_clearDev() {
 	if (!dev) return;
 	if (PIString(dev->className()) == "PIFile") {((PIFile*)dev)->clear(); return;}
@@ -375,10 +395,8 @@ void PIConfig::_flushDev() {
 
 
 bool PIConfig::_isEndDev() {
-	if (!dev) return true;
-	if (PIString(dev->className()) == "PIFile") {return ((PIFile*)dev)->isEnd();}
-	if (PIString(dev->className()) == "PIIOString") {return ((PIIOString*)dev)->isEnd();}
-	return true;
+	if (!stream) return true;
+	return stream->isEnd();
 }
 
 
@@ -390,19 +408,15 @@ void PIConfig::_seekToBeginDev() {
 
 
 PIString PIConfig::_readLineDev() {
-	if (!dev) return PIString();
-	if (PIString(dev->className()) == "PIFile") {return ((PIFile*)dev)->readLine();}
-	if (PIString(dev->className()) == "PIIOString") {return ((PIIOString*)dev)->readLine();}
-	return PIString();
+	if (!stream) return PIString();
+	return stream->readLine();
 }
 
 
 void PIConfig::_writeDev(const PIString & l) {
 	//piCout << "write \"" << l << "\"";
-	if (!dev) return;
-	if (PIString(dev->className()) == "PIFile") {((PIFile*)dev)->write(l.toUTF8()); return;}
-	if (PIString(dev->className()) == "PIIOString") {((PIIOString*)dev)->writeString(l); return;}
-	dev->write(l.toByteArray());
+	if (!stream) return;
+	stream->append(l);
 }
 
 
@@ -799,7 +813,6 @@ void PIConfig::parse() {
 					includes << iconf << iconf->includes;
 					updateIncludes();
 				}
-				//piCout << "includes" << includes;
 				other.back() = src;
 			} else {
 				name = tree.back();
diff --git a/libs/main/io_devices/piconfig.h b/libs/main/io_devices/piconfig.h
index 6c415529..dc7dafde 100644
--- a/libs/main/io_devices/piconfig.h
+++ b/libs/main/io_devices/piconfig.h
@@ -27,6 +27,7 @@
 #define PICONFIG_H
 
 #include "piiodevice.h"
+#include "piiostream.h"
 
 #define PICONFIG_GET_VALUE \
 	Entry & getValue(const PIString & vname, const char * def, bool * exists = 0) {return getValue(vname, PIString(def), exists);} \
@@ -68,7 +69,7 @@ public:
 	PIConfig(PIString * string, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
 
 	//! Contructs and read configuration from custom device "device" in mode "mode"
-	PIConfig(PIIODevice * device = 0, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
+	PIConfig(PIIODevice * device = nullptr, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
 
 	~PIConfig();
 
@@ -328,12 +329,15 @@ public:
 	};
 
 
-	//! Read configuration file at path "path" in mode "mode"
+	//! Read configuration from file at path "path" in mode "mode"
 	bool open(const PIString & path, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
 
-	//! Read configuration string "string" in mode "mode"
+	//! Read configuration from string "string" in mode "mode"
 	bool open(PIString * string, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
 
+	//! Read configuration from custom device "device" in mode "mode"
+	bool open(PIIODevice * device, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
+
 	bool isOpened() const;
 
 	//! Returns top-level entry with name "vname", if doesn`t exists return entry with value "def" and set *exist to false
@@ -474,6 +478,8 @@ public:
 private:
 	PIConfig(const PIString & path, PIStringList dirs);
 	void _init();
+	void _destroy();
+	void _setupDev();
 	void _clearDev();
 	void _flushDev();
 	bool _isEndDev();
@@ -493,14 +499,15 @@ private:
 	PIString parseLine(PIString v);
 	void parse();
 
-	bool own_dev, internal;
+	bool own_dev = false, internal = false;
 	PIVector<PIConfig * > includes, inc_devs;
 	Branch all_includes;
-	PIIODevice * dev;
+	PIIODevice * dev = nullptr;
+	PIIOTextStream * stream = nullptr;
 	PIString delim;
 	PIStringList incdirs;
 	Entry root, empty;
-	uint lines;
+	uint lines = 0;
 	PIStringList other;
 
 };
diff --git a/libs/main/io_devices/pifile.cpp b/libs/main/io_devices/pifile.cpp
index b4d53be7..7e654c53 100644
--- a/libs/main/io_devices/pifile.cpp
+++ b/libs/main/io_devices/pifile.cpp
@@ -20,6 +20,7 @@
 #include "piincludes_p.h"
 #include "pifile.h"
 #include "pidir.h"
+#include "piiostream.h"
 #include "pitime_win.h"
 #ifdef WINDOWS
 #  undef S_IFDIR
@@ -229,24 +230,6 @@ bool PIFile::closeDevice() {
 }
 
 
-PIString PIFile::readLine() {
-	PIByteArray str;
-	if (isClosed()) return str;
-	int cc;
-	while (!isEnd()) {
-		cc = fgetc(PRIVATE->fd);
-		if (char(cc) == '\n' || cc == EOF) break;
-		str.push_back(char(cc));
-	}
-	str.push_back('\0');
-	if (defaultCharset()) {
-		return PIString::fromCodepage((const char *)str.data(), defaultCharset());
-	}
-	//cout << "readline: " << str << endl;
-	return PIString::fromUTF8(str);
-}
-
-
 llong PIFile::readAll(void * data) {
 	llong cp = pos(), s = size(), i = -1;
 	seekToBegin();
@@ -371,7 +354,6 @@ void PIFile::_init() {
 	PRIVATE->fd = 0;
 	fdi = -1;
 	_size = -1;
-	setPrecision(5);
 }
 
 
@@ -405,7 +387,8 @@ void PIFile::seekToEnd() {
 void PIFile::seekToLine(llong line) {
 	if (isClosed()) return;
 	seekToBegin();
-	piForTimes(line) readLine();
+	PIIOTextStream ts(this);
+	piForTimes (line) ts.readLine();
 	clearerr(PRIVATE->fd);
 }
 
@@ -444,13 +427,6 @@ bool PIFile::isEnd() const {
 }
 
 
-void PIFile::setPrecision(int prec) {
-	prec_ = prec;
-	if (prec_ >= 0) prec_str = "." + PIString::fromNumber(prec_);
-	else prec_str = "";
-}
-
-
 PIFile & PIFile::put(const PIByteArray & v) {
 	int sz = (int)v.size_s();
 	write(createMemoryBlock(&sz));
@@ -500,16 +476,6 @@ void PIFile::remove() {
 
 
 
-const char * PIFile::defaultCharset() {
-	return PIInit::instance()->file_charset;
-}
-
-
-void PIFile::setDefaultCharset(const char * c) {
-	PIInit::instance()->setFileCharset(c);
-}
-
-
 
 PIFile::FileInfo PIFile::fileInfo(const PIString & path) {
 	FileInfo ret;
diff --git a/libs/main/io_devices/pifile.h b/libs/main/io_devices/pifile.h
index 9159bf64..93b92876 100644
--- a/libs/main/io_devices/pifile.h
+++ b/libs/main/io_devices/pifile.h
@@ -206,10 +206,7 @@ public:
 	//! \~russian Читает один байт и возвращает его
 	char readChar();
 	
-	//! \~english Read one text line and return it
-	//! \~russian Читает одну текстовую строку и возвращает её
-	PIString readLine();
-	
+
 	//! \~english Read all file content to "data" and return readed bytes count. Position leaved unchanged
 	//! \~russian Читает всё содержимое файла в "data" и возвращает количество прочитанных байт. Позиция остаётся неизменной
 	llong readAll(void * data);
@@ -228,7 +225,7 @@ public:
 	llong size() const;
 
 	ssize_t bytesAvailable() const override {return size() - pos();}
-	
+
 	//! \~english Returns read/write position
 	//! \~russian Возвращает позицию чтения/записи
 	llong pos() const;
@@ -245,14 +242,6 @@ public:
 	//! \~russian Возвращает \a PIFile::FileInfo текущего файла
 	FileInfo fileInfo() const {return fileInfo(path());}
 	
-	
-	//! \~english Returns float numbers write precision
-	//! \~russian Возвращает точность записи чисел с плавающей точкой
-	int precision() const {return prec_;}
-	
-	//! \~english Set float numbers write precision to "prec_" digits
-	//! \~russian Устанавливает точность записи чисел с плавающей точкой
-	void setPrecision(int prec);
 
 	//! \~english Write size and content of "v" (serialize)
 	//! \~russian Пишет в файл размер и содержимое "v" (сериализация)
@@ -267,14 +256,7 @@ public:
 	EVENT_HANDLER1(void, resize, llong, new_size) {resize(new_size, 0);}
 	EVENT_HANDLER2(void, resize, llong, new_size, uchar, fill);
 	
-	//! \~english
-	//! \~russian
-	static const char * defaultCharset();
 
-	//! \~english
-	//! \~russian
-	static void setDefaultCharset(const char * c);
-	
 	//! \~english Returns if file with path "path" exists
 	//! \~russian Возвращает существует ли файл с путём "path"
 	static bool isExists(const PIString & path);
@@ -341,7 +323,7 @@ private:
 	void _init();
 
 	PRIVATE_DECLARATION(PIP_EXPORT)
-	int ret, prec_, fdi;
+	int ret, fdi;
 	llong _size;
 	PIString prec_str;
 
diff --git a/utils/resources_compiler/parser.cpp b/utils/resources_compiler/parser.cpp
index b82c5d3f..a4419d84 100644
--- a/utils/resources_compiler/parser.cpp
+++ b/utils/resources_compiler/parser.cpp
@@ -1,5 +1,6 @@
 #include "parser.h"
 #include "piconfig.h"
+#include "piiostream.h"
 
 
 PIVector<ParserSection> parse(const PIString & path) {
@@ -32,9 +33,10 @@ ParserEntry makeEntry(PIString filename, const PIString & dir) {
 PIVector<ParserSection> parseConf(PIFile & file, const PIString & dir) {
 	PIVector<ParserSection> ret;
 	if (!file.isOpened()) return ret;
+	PIIOTextStream ts(&file);
 	ParserSection ps;
-	while (!file.isEnd()) {
-		PIString line = file.readLine().trim();
+	while (!ts.isEnd()) {
+		PIString line = ts.readLine().trim();
 		if (line.isEmpty()) continue;
 		if (line.startsWith("[") && line.endsWith("]")) {
 			if (!ps.files.isEmpty()) ret << ps;
@@ -61,10 +63,11 @@ PIVector<ParserSection> parseConf(PIFile & file, const PIString & dir) {
 PIVector<ParserSection> parseQRC(PIFile & file, const PIString & dir) {
 	PIVector<ParserSection> ret;
 	if (!file.isOpened()) return ret;
+	PIIOTextStream ts(&file);
 	ParserSection ps;
 	bool is_files = false;
-	while (!file.isEnd()) {
-		PIString line = file.readLine().trim();
+	while (!ts.isEnd()) {
+		PIString line = ts.readLine().trim();
 		if (line.isEmpty()) continue;
 		if (line.startsWith("<qresource")) {
 			if (!ps.files.isEmpty()) ret << ps;