Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.

1 files changed, 701 insertions, 701 deletions

diff --git a/contrib/libs/poco/JSON/src/Template.cpp b/contrib/libs/poco/JSON/src/Template.cpp
index 941c5ec5d8..de9d0e00fd 100644
--- a/contrib/libs/poco/JSON/src/Template.cpp
+++ b/contrib/libs/poco/JSON/src/Template.cpp
@@ -1,701 +1,701 @@
-//
-// Template.cpp
-//
-// Library: JSON
-// Package: JSON
-// Module:  Template
-//
-// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
-// and Contributors.
-//
-// SPDX-License-Identifier:	BSL-1.0
-//
-
-
-#include "Poco/JSON/Template.h"
-#include "Poco/JSON/TemplateCache.h"
-#include "Poco/JSON/Query.h"
-#include "Poco/File.h"
-#include "Poco/FileStream.h"
-
-
-using Poco::Dynamic::Var;
-
-
-namespace Poco {
-namespace JSON {
-
-
-POCO_IMPLEMENT_EXCEPTION(JSONTemplateException, Exception, "Template Exception")
-
-
-class Part
-{
-public:
-	Part()
-	{
-	}
-
-	virtual ~Part()
-	{
-	}
-
-	virtual void render(const Var& data, std::ostream& out) const = 0;
-
-	typedef std::vector<SharedPtr<Part> > VectorParts;
-};
-
-
-class StringPart: public Part
-{
-public:
-	StringPart(): Part()
-	{
-	}
-
-	StringPart(const std::string& content): Part(), _content(content)
-	{
-	}
-
-	virtual ~StringPart()
-	{
-	}
-
-	void render(const Var& /*data*/, std::ostream& out) const
-	{
-		out << _content;
-	}
-
-	void setContent(const std::string& content)
-	{
-		_content = content;
-	}
-
-	inline std::string getContent() const
-	{
-		return _content;
-	}
-
-private:
-	std::string _content;
-};
-
-
-class MultiPart: public Part
-{
-public:
-	MultiPart()
-	{
-	}
-
-	virtual ~MultiPart()
-	{
-	}
-
-	virtual void addPart(Part* part)
-	{
-		_parts.push_back(part);
-	}
-
-	void render(const Var& data, std::ostream& out) const
-	{
-		for (VectorParts::const_iterator it = _parts.begin(); it != _parts.end(); ++it)
-		{
-			(*it)->render(data, out);
-		}
-	}
-
-protected:
-	VectorParts _parts;
-};
-
-
-class EchoPart: public Part
-{
-public:
-	EchoPart(const std::string& query): Part(), _query(query)
-	{
-	}
-
-	virtual ~EchoPart()
-	{
-	}
-
-	void render(const Var& data, std::ostream& out) const
-	{
-		Query query(data);
-		Var value = query.find(_query);
-
-		if (!value.isEmpty())
-		{
-			out << value.convert<std::string>();
-		}
-	}
-
-private:
-	std::string _query;
-};
-
-
-class LogicQuery
-{
-public:
-	LogicQuery(const std::string& query): _queryString(query)
-	{
-	}
-
-	virtual ~LogicQuery()
-	{
-	}
-
-	virtual bool apply(const Var& data) const
-	{
-		bool logic = false;
-
-		Query query(data);
-		Var value = query.find(_queryString);
-
-		if (!value.isEmpty()) // When empty, logic will be false
-		{
-			if (value.isString())
-				// An empty string must result in false, otherwise true
-				// Which is not the case when we convert to bool with Var
-			{
-				std::string s = value.convert<std::string>();
-				logic = !s.empty();
-			}
-			else
-			{
-				// All other values, try to convert to bool
-				// An empty object or array will turn into false
-				// all other values depend on the convert<> in Var
-				logic = value.convert<bool>();
-			}
-		}
-
-		return logic;
-	}
-
-protected:
-	std::string _queryString;
-};
-
-
-class LogicExistQuery: public LogicQuery
-{
-public:
-	LogicExistQuery(const std::string& query): LogicQuery(query)
-	{
-	}
-
-	virtual ~LogicExistQuery()
-	{
-	}
-
-	virtual bool apply(const Var& data) const
-	{
-		Query query(data);
-		Var value = query.find(_queryString);
-
-		return !value.isEmpty();
-	}
-};
-
-
-class LogicElseQuery: public LogicQuery
-{
-public:
-	LogicElseQuery(): LogicQuery("")
-	{
-	}
-
-	virtual ~LogicElseQuery()
-	{
-	}
-
-	virtual bool apply(const Var& /*data*/) const
-	{
-		return true;
-	}
-};
-
-
-class LogicPart: public MultiPart
-{
-public:
-	LogicPart(): MultiPart()
-	{
-	}
-
-	virtual ~LogicPart()
-	{
-	}
-
-	void addPart(LogicQuery* query, Part* part)
-	{
-		MultiPart::addPart(part);
-		_queries.push_back(query);
-	}
-
-	void addPart(Part* part)
-	{
-		MultiPart::addPart(part);
-		_queries.push_back(new LogicElseQuery());
-	}
-
-	void render(const Var& data, std::ostream& out) const
-	{
-		int count = 0;
-		for (std::vector<SharedPtr<LogicQuery> >::const_iterator it = _queries.begin(); it != _queries.end(); ++it, ++count)
-		{
-			if ((*it)->apply(data) && _parts.size() > count)
-			{
-				_parts[count]->render(data, out);
-				break;
-			}
-		}
-	}
-
-private:
-	std::vector<SharedPtr<LogicQuery> > _queries;
-};
-
-
-class LoopPart: public MultiPart
-{
-public:
-	LoopPart(const std::string& name, const std::string& query): MultiPart(), _name(name), _query(query)
-	{
-	}
-
-	virtual ~LoopPart()
-	{
-	}
-
-	void render(const Var& data, std::ostream& out) const
-	{
-		Query query(data);
-
-		if (data.type() == typeid(Object::Ptr))
-		{
-			Object::Ptr dataObject = data.extract<Object::Ptr>();
-			Array::Ptr array = query.findArray(_query);
-			if (!array.isNull())
-			{
-				for (int i = 0; i < array->size(); i++)
-				{
-					Var value = array->get(i);
-					dataObject->set(_name, value);
-					MultiPart::render(data, out);
-				}
-				dataObject->remove(_name);
-			}
-		}
-	}
-
-private:
-	std::string _name;
-	std::string _query;
-};
-
-
-class IncludePart: public Part
-{
-public:
-
-	IncludePart(const Path& parentPath, const Path& path): 
-		Part(), 
-		_path(path)
-	{
-		// When the path is relative, try to make it absolute based
-		// on the path of the parent template. When the file doesn't
-		// exist, we keep it relative and hope that the cache can
-		// resolve it.
-		if (_path.isRelative())
-		{
-			Path templatePath(parentPath, _path);
-			File templateFile(templatePath);
-			if (templateFile.exists())
-			{
-				_path = templatePath;
-			}
-		}
-	}
-
-	virtual ~IncludePart()
-	{
-	}
-
-	void render(const Var& data, std::ostream& out) const
-	{
-		TemplateCache* cache = TemplateCache::instance();
-		if (cache == 0)
-		{
-			Template tpl(_path);
-			tpl.parse();
-			tpl.render(data, out);
-		}
-		else
-		{
-			Template::Ptr tpl = cache->getTemplate(_path);
-			tpl->render(data, out);
-		}
-	}
-
-private:
-	Path _path;
-};
-
-
-Template::Template(const Path& templatePath): 
-	_parts(0), 
-	_currentPart(0), 
-	_templatePath(templatePath)
-{
-}
-
-
-Template::Template():
-	_parts(0), 
-	_currentPart(0)
-{
-}
-
-
-Template::~Template()
-{
-	delete _parts;
-}
-
-
-void Template::parse()
-{
-	File file(_templatePath);
-	if (file.exists())
-	{
-		FileInputStream fis(_templatePath.toString());
-		parse(fis);
-	}
-}
-
-
-void Template::parse(std::istream& in)
-{
-	_parseTime.update();
-
-	_parts = new MultiPart;
-	_currentPart = _parts;
-
-	while (in.good())
-	{
-		std::string text = readText(in); // Try to read text first
-		if (text.length() > 0)
-		{
-			_currentPart->addPart(new StringPart(text));
-		}
-
-		if (in.bad())
-			break; // Nothing to do anymore
-
-		std::string command = readTemplateCommand(in);  // Try to read a template command
-		if (command.empty())
-		{
-			break;
-		}
-
-		readWhiteSpace(in);
-
-		if (command.compare("echo") == 0)
-		{
-			std::string query = readQuery(in);
-			if (query.empty())
-			{
-				throw JSONTemplateException("Missing query in <? echo ?>");
-			}
-			_currentPart->addPart(new EchoPart(query));
-		}
-		else if (command.compare("for") == 0)
-		{
-			std::string loopVariable = readWord(in);
-			if (loopVariable.empty())
-			{
-				throw JSONTemplateException("Missing variable in <? for ?> command");
-			}
-			readWhiteSpace(in);
-
-			std::string query = readQuery(in);
-			if (query.empty())
-			{
-				throw JSONTemplateException("Missing query in <? for ?> command");
-			}
-
-			_partStack.push(_currentPart);
-			LoopPart* part = new LoopPart(loopVariable, query);
-			_partStack.push(part);
-			_currentPart->addPart(part);
-			_currentPart = part;
-		}
-		else if (command.compare("else") == 0)
-		{
-			if (_partStack.size() == 0)
-			{
-				throw JSONTemplateException("Unexpected <? else ?> found");
-			}
-			_currentPart = _partStack.top();
-			LogicPart* lp = dynamic_cast<LogicPart*>(_currentPart);
-			if (lp == 0)
-			{
-				throw JSONTemplateException("Missing <? if ?> or <? ifexist ?> for <? else ?>");
-			}
-			MultiPart* part = new MultiPart();
-			lp->addPart(part);
-			_currentPart = part;
-		}
-		else if (command.compare("elsif") == 0 || command.compare("elif") == 0)
-		{
-			std::string query = readQuery(in);
-			if (query.empty())
-			{
-				throw JSONTemplateException("Missing query in <? " + command + " ?>");
-			}
-
-			if (_partStack.size() == 0)
-			{
-				throw JSONTemplateException("Unexpected <? elsif / elif ?> found");
-			}
-
-			_currentPart = _partStack.top();
-			LogicPart* lp = dynamic_cast<LogicPart*>(_currentPart);
-			if (lp == 0)
-			{
-				throw JSONTemplateException("Missing <? if ?> or <? ifexist ?> for <? elsif / elif ?>");
-			}
-			MultiPart* part = new MultiPart();
-			lp->addPart(new LogicQuery(query), part);
-			_currentPart = part;
-		}
-		else if (command.compare("endfor") == 0)
-		{
-			if (_partStack.size() < 2)
-			{
-				throw JSONTemplateException("Unexpected <? endfor ?> found");
-			}
-			MultiPart* loopPart = _partStack.top();
-			LoopPart* lp = dynamic_cast<LoopPart*>(loopPart);
-			if (lp == 0)
-			{
-				throw JSONTemplateException("Missing <? for ?> command");
-			}
-			_partStack.pop();
-			_currentPart = _partStack.top();
-			_partStack.pop();
-		}
-		else if (command.compare("endif") == 0)
-		{
-			if (_partStack.size() < 2)
-			{
-				throw JSONTemplateException("Unexpected <? endif ?> found");
-			}
-
-			_currentPart = _partStack.top();
-			LogicPart* lp = dynamic_cast<LogicPart*>(_currentPart);
-			if (lp == 0)
-			{
-				throw JSONTemplateException("Missing <? if ?> or <? ifexist ?> for <? endif ?>");
-			}
-
-			_partStack.pop();
-			_currentPart = _partStack.top();
-			_partStack.pop();
-		}
-		else if (command.compare("if") == 0 || command.compare("ifexist") == 0)
-		{
-			std::string query = readQuery(in);
-			if (query.empty())
-			{
-				throw JSONTemplateException("Missing query in <? " + command + " ?>");
-			}
-			_partStack.push(_currentPart);
-			LogicPart* lp = new LogicPart();
-			_partStack.push(lp);
-			_currentPart->addPart(lp);
-			_currentPart = new MultiPart();
-			if (command.compare("ifexist") == 0)
-			{
-				lp->addPart(new LogicExistQuery(query), _currentPart);
-			}
-			else
-			{
-				lp->addPart(new LogicQuery(query), _currentPart);
-			}
-		}
-		else if (command.compare("include") == 0)
-		{
-			readWhiteSpace(in);
-			std::string filename = readString(in);
-			if (filename.empty())
-			{
-				throw JSONTemplateException("Missing filename in <? include ?>");
-			}
-			else
-			{
-				Path resolvePath(_templatePath);
-				resolvePath.makeParent();
-				_currentPart->addPart(new IncludePart(resolvePath, filename));
-			}
-		}
-		else
-		{
-			throw JSONTemplateException("Unknown command " + command);
-		}
-
-		readWhiteSpace(in);
-
-		int c = in.get();
-		if (c == '?' && in.peek() == '>')
-		{
-			in.get(); // forget '>'
-
-			if (command.compare("echo") != 0)
-			{
-				if (in.peek() == '\r')
-				{
-					in.get();
-				}
-				if (in.peek() == '\n')
-				{
-					in.get();
-				}
-			}
-		}
-		else
-		{
-			throw JSONTemplateException("Missing ?>");
-		}
-	}
-}
-
-
-std::string Template::readText(std::istream& in)
-{
-	std::string text;
-	int c = in.get();
-	while (c != -1)
-	{
-		if (c == '<')
-		{
-			if (in.peek() == '?')
-			{
-				in.get(); // forget '?'
-				break;
-			}
-		}
-		text += static_cast<char>(c);
-
-		c = in.get();
-	}
-	return text;
-}
-
-
-std::string Template::readTemplateCommand(std::istream& in)
-{
-	std::string command;
-
-	readWhiteSpace(in);
-
-	int c = in.get();
-	while (c != -1)
-	{
-		if (Ascii::isSpace(c))
-			break;
-
-		if (c == '?' && in.peek() == '>')
-		{
-			in.putback(static_cast<char>(c));
-			break;
-		}
-
-		if (c == '=' && command.length() == 0)
-		{
-			command = "echo";
-			break;
-		}
-
-		command += static_cast<char>(c);
-
-		c = in.get();
-	}
-
-	return command;
-}
-
-
-std::string Template::readWord(std::istream& in)
-{
-	std::string word;
-	int c;
-	while ((c = in.peek()) != -1 && !Ascii::isSpace(c))
-	{
-		in.get();
-		word += static_cast<char>(c);
-	}
-	return word;
-}
-
-
-std::string Template::readQuery(std::istream& in)
-{
-	std::string word;
-	int c;
-	while ((c = in.get()) != -1)
-	{
-		if (c == '?' && in.peek() == '>')
-		{
-			in.putback(static_cast<char>(c));
-			break;
-		}
-
-		if (Ascii::isSpace(c))
-		{
-			break;
-		}
-		word += static_cast<char>(c);
-	}
-	return word;
-}
-
-
-void Template::readWhiteSpace(std::istream& in)
-{
-	int c;
-	while ((c = in.peek()) != -1 && Ascii::isSpace(c))
-	{
-		in.get();
-	}
-}
-
-
-std::string Template::readString(std::istream& in)
-{
-	std::string str;
-
-	int c = in.get();
-	if (c == '"')
-	{
-		while ((c = in.get()) != -1 && c != '"')
-		{
-			str += static_cast<char>(c);
-		}
-	}
-	return str;
-}
-
-
-void Template::render(const Var& data, std::ostream& out) const
-{
-	_parts->render(data, out);
-}
-
-
-} } // namespace Poco::JSON
+// 
+// Template.cpp 
+// 
+// Library: JSON 
+// Package: JSON 
+// Module:  Template 
+// 
+// Copyright (c) 2012, Applied Informatics Software Engineering GmbH. 
+// and Contributors. 
+// 
+// SPDX-License-Identifier:	BSL-1.0 
+// 
+ 
+ 
+#include "Poco/JSON/Template.h" 
+#include "Poco/JSON/TemplateCache.h" 
+#include "Poco/JSON/Query.h" 
+#include "Poco/File.h" 
+#include "Poco/FileStream.h" 
+ 
+ 
+using Poco::Dynamic::Var; 
+ 
+ 
+namespace Poco { 
+namespace JSON { 
+ 
+ 
+POCO_IMPLEMENT_EXCEPTION(JSONTemplateException, Exception, "Template Exception") 
+ 
+ 
+class Part 
+{ 
+public: 
+	Part() 
+	{ 
+	} 
+ 
+	virtual ~Part() 
+	{ 
+	} 
+ 
+	virtual void render(const Var& data, std::ostream& out) const = 0; 
+ 
+	typedef std::vector<SharedPtr<Part> > VectorParts; 
+}; 
+ 
+ 
+class StringPart: public Part 
+{ 
+public: 
+	StringPart(): Part() 
+	{ 
+	} 
+ 
+	StringPart(const std::string& content): Part(), _content(content) 
+	{ 
+	} 
+ 
+	virtual ~StringPart() 
+	{ 
+	} 
+ 
+	void render(const Var& /*data*/, std::ostream& out) const 
+	{ 
+		out << _content; 
+	} 
+ 
+	void setContent(const std::string& content) 
+	{ 
+		_content = content; 
+	} 
+ 
+	inline std::string getContent() const 
+	{ 
+		return _content; 
+	} 
+ 
+private: 
+	std::string _content; 
+}; 
+ 
+ 
+class MultiPart: public Part 
+{ 
+public: 
+	MultiPart() 
+	{ 
+	} 
+ 
+	virtual ~MultiPart() 
+	{ 
+	} 
+ 
+	virtual void addPart(Part* part) 
+	{ 
+		_parts.push_back(part); 
+	} 
+ 
+	void render(const Var& data, std::ostream& out) const 
+	{ 
+		for (VectorParts::const_iterator it = _parts.begin(); it != _parts.end(); ++it) 
+		{ 
+			(*it)->render(data, out); 
+		} 
+	} 
+ 
+protected: 
+	VectorParts _parts; 
+}; 
+ 
+ 
+class EchoPart: public Part 
+{ 
+public: 
+	EchoPart(const std::string& query): Part(), _query(query) 
+	{ 
+	} 
+ 
+	virtual ~EchoPart() 
+	{ 
+	} 
+ 
+	void render(const Var& data, std::ostream& out) const 
+	{ 
+		Query query(data); 
+		Var value = query.find(_query); 
+ 
+		if (!value.isEmpty()) 
+		{ 
+			out << value.convert<std::string>(); 
+		} 
+	} 
+ 
+private: 
+	std::string _query; 
+}; 
+ 
+ 
+class LogicQuery 
+{ 
+public: 
+	LogicQuery(const std::string& query): _queryString(query) 
+	{ 
+	} 
+ 
+	virtual ~LogicQuery() 
+	{ 
+	} 
+ 
+	virtual bool apply(const Var& data) const 
+	{ 
+		bool logic = false; 
+ 
+		Query query(data); 
+		Var value = query.find(_queryString); 
+ 
+		if (!value.isEmpty()) // When empty, logic will be false 
+		{ 
+			if (value.isString()) 
+				// An empty string must result in false, otherwise true 
+				// Which is not the case when we convert to bool with Var 
+			{ 
+				std::string s = value.convert<std::string>(); 
+				logic = !s.empty(); 
+			} 
+			else 
+			{ 
+				// All other values, try to convert to bool 
+				// An empty object or array will turn into false 
+				// all other values depend on the convert<> in Var 
+				logic = value.convert<bool>(); 
+			} 
+		} 
+ 
+		return logic; 
+	} 
+ 
+protected: 
+	std::string _queryString; 
+}; 
+ 
+ 
+class LogicExistQuery: public LogicQuery 
+{ 
+public: 
+	LogicExistQuery(const std::string& query): LogicQuery(query) 
+	{ 
+	} 
+ 
+	virtual ~LogicExistQuery() 
+	{ 
+	} 
+ 
+	virtual bool apply(const Var& data) const 
+	{ 
+		Query query(data); 
+		Var value = query.find(_queryString); 
+ 
+		return !value.isEmpty(); 
+	} 
+}; 
+ 
+ 
+class LogicElseQuery: public LogicQuery 
+{ 
+public: 
+	LogicElseQuery(): LogicQuery("") 
+	{ 
+	} 
+ 
+	virtual ~LogicElseQuery() 
+	{ 
+	} 
+ 
+	virtual bool apply(const Var& /*data*/) const 
+	{ 
+		return true; 
+	} 
+}; 
+ 
+ 
+class LogicPart: public MultiPart 
+{ 
+public: 
+	LogicPart(): MultiPart() 
+	{ 
+	} 
+ 
+	virtual ~LogicPart() 
+	{ 
+	} 
+ 
+	void addPart(LogicQuery* query, Part* part) 
+	{ 
+		MultiPart::addPart(part); 
+		_queries.push_back(query); 
+	} 
+ 
+	void addPart(Part* part) 
+	{ 
+		MultiPart::addPart(part); 
+		_queries.push_back(new LogicElseQuery()); 
+	} 
+ 
+	void render(const Var& data, std::ostream& out) const 
+	{ 
+		int count = 0; 
+		for (std::vector<SharedPtr<LogicQuery> >::const_iterator it = _queries.begin(); it != _queries.end(); ++it, ++count) 
+		{ 
+			if ((*it)->apply(data) && _parts.size() > count) 
+			{ 
+				_parts[count]->render(data, out); 
+				break; 
+			} 
+		} 
+	} 
+ 
+private: 
+	std::vector<SharedPtr<LogicQuery> > _queries; 
+}; 
+ 
+ 
+class LoopPart: public MultiPart 
+{ 
+public: 
+	LoopPart(const std::string& name, const std::string& query): MultiPart(), _name(name), _query(query) 
+	{ 
+	} 
+ 
+	virtual ~LoopPart() 
+	{ 
+	} 
+ 
+	void render(const Var& data, std::ostream& out) const 
+	{ 
+		Query query(data); 
+ 
+		if (data.type() == typeid(Object::Ptr)) 
+		{ 
+			Object::Ptr dataObject = data.extract<Object::Ptr>(); 
+			Array::Ptr array = query.findArray(_query); 
+			if (!array.isNull()) 
+			{ 
+				for (int i = 0; i < array->size(); i++) 
+				{ 
+					Var value = array->get(i); 
+					dataObject->set(_name, value); 
+					MultiPart::render(data, out); 
+				} 
+				dataObject->remove(_name); 
+			} 
+		} 
+	} 
+ 
+private: 
+	std::string _name; 
+	std::string _query; 
+}; 
+ 
+ 
+class IncludePart: public Part 
+{ 
+public: 
+ 
+	IncludePart(const Path& parentPath, const Path& path):  
+		Part(),  
+		_path(path) 
+	{ 
+		// When the path is relative, try to make it absolute based 
+		// on the path of the parent template. When the file doesn't 
+		// exist, we keep it relative and hope that the cache can 
+		// resolve it. 
+		if (_path.isRelative()) 
+		{ 
+			Path templatePath(parentPath, _path); 
+			File templateFile(templatePath); 
+			if (templateFile.exists()) 
+			{ 
+				_path = templatePath; 
+			} 
+		} 
+	} 
+ 
+	virtual ~IncludePart() 
+	{ 
+	} 
+ 
+	void render(const Var& data, std::ostream& out) const 
+	{ 
+		TemplateCache* cache = TemplateCache::instance(); 
+		if (cache == 0) 
+		{ 
+			Template tpl(_path); 
+			tpl.parse(); 
+			tpl.render(data, out); 
+		} 
+		else 
+		{ 
+			Template::Ptr tpl = cache->getTemplate(_path); 
+			tpl->render(data, out); 
+		} 
+	} 
+ 
+private: 
+	Path _path; 
+}; 
+ 
+ 
+Template::Template(const Path& templatePath):  
+	_parts(0),  
+	_currentPart(0),  
+	_templatePath(templatePath) 
+{ 
+} 
+ 
+ 
+Template::Template(): 
+	_parts(0),  
+	_currentPart(0) 
+{ 
+} 
+ 
+ 
+Template::~Template() 
+{ 
+	delete _parts; 
+} 
+ 
+ 
+void Template::parse() 
+{ 
+	File file(_templatePath); 
+	if (file.exists()) 
+	{ 
+		FileInputStream fis(_templatePath.toString()); 
+		parse(fis); 
+	} 
+} 
+ 
+ 
+void Template::parse(std::istream& in) 
+{ 
+	_parseTime.update(); 
+ 
+	_parts = new MultiPart; 
+	_currentPart = _parts; 
+ 
+	while (in.good()) 
+	{ 
+		std::string text = readText(in); // Try to read text first 
+		if (text.length() > 0) 
+		{ 
+			_currentPart->addPart(new StringPart(text)); 
+		} 
+ 
+		if (in.bad()) 
+			break; // Nothing to do anymore 
+ 
+		std::string command = readTemplateCommand(in);  // Try to read a template command 
+		if (command.empty()) 
+		{ 
+			break; 
+		} 
+ 
+		readWhiteSpace(in); 
+ 
+		if (command.compare("echo") == 0) 
+		{ 
+			std::string query = readQuery(in); 
+			if (query.empty()) 
+			{ 
+				throw JSONTemplateException("Missing query in <? echo ?>"); 
+			} 
+			_currentPart->addPart(new EchoPart(query)); 
+		} 
+		else if (command.compare("for") == 0) 
+		{ 
+			std::string loopVariable = readWord(in); 
+			if (loopVariable.empty()) 
+			{ 
+				throw JSONTemplateException("Missing variable in <? for ?> command"); 
+			} 
+			readWhiteSpace(in); 
+ 
+			std::string query = readQuery(in); 
+			if (query.empty()) 
+			{ 
+				throw JSONTemplateException("Missing query in <? for ?> command"); 
+			} 
+ 
+			_partStack.push(_currentPart); 
+			LoopPart* part = new LoopPart(loopVariable, query); 
+			_partStack.push(part); 
+			_currentPart->addPart(part); 
+			_currentPart = part; 
+		} 
+		else if (command.compare("else") == 0) 
+		{ 
+			if (_partStack.size() == 0) 
+			{ 
+				throw JSONTemplateException("Unexpected <? else ?> found"); 
+			} 
+			_currentPart = _partStack.top(); 
+			LogicPart* lp = dynamic_cast<LogicPart*>(_currentPart); 
+			if (lp == 0) 
+			{ 
+				throw JSONTemplateException("Missing <? if ?> or <? ifexist ?> for <? else ?>"); 
+			} 
+			MultiPart* part = new MultiPart(); 
+			lp->addPart(part); 
+			_currentPart = part; 
+		} 
+		else if (command.compare("elsif") == 0 || command.compare("elif") == 0) 
+		{ 
+			std::string query = readQuery(in); 
+			if (query.empty()) 
+			{ 
+				throw JSONTemplateException("Missing query in <? " + command + " ?>"); 
+			} 
+ 
+			if (_partStack.size() == 0) 
+			{ 
+				throw JSONTemplateException("Unexpected <? elsif / elif ?> found"); 
+			} 
+ 
+			_currentPart = _partStack.top(); 
+			LogicPart* lp = dynamic_cast<LogicPart*>(_currentPart); 
+			if (lp == 0) 
+			{ 
+				throw JSONTemplateException("Missing <? if ?> or <? ifexist ?> for <? elsif / elif ?>"); 
+			} 
+			MultiPart* part = new MultiPart(); 
+			lp->addPart(new LogicQuery(query), part); 
+			_currentPart = part; 
+		} 
+		else if (command.compare("endfor") == 0) 
+		{ 
+			if (_partStack.size() < 2) 
+			{ 
+				throw JSONTemplateException("Unexpected <? endfor ?> found"); 
+			} 
+			MultiPart* loopPart = _partStack.top(); 
+			LoopPart* lp = dynamic_cast<LoopPart*>(loopPart); 
+			if (lp == 0) 
+			{ 
+				throw JSONTemplateException("Missing <? for ?> command"); 
+			} 
+			_partStack.pop(); 
+			_currentPart = _partStack.top(); 
+			_partStack.pop(); 
+		} 
+		else if (command.compare("endif") == 0) 
+		{ 
+			if (_partStack.size() < 2) 
+			{ 
+				throw JSONTemplateException("Unexpected <? endif ?> found"); 
+			} 
+ 
+			_currentPart = _partStack.top(); 
+			LogicPart* lp = dynamic_cast<LogicPart*>(_currentPart); 
+			if (lp == 0) 
+			{ 
+				throw JSONTemplateException("Missing <? if ?> or <? ifexist ?> for <? endif ?>"); 
+			} 
+ 
+			_partStack.pop(); 
+			_currentPart = _partStack.top(); 
+			_partStack.pop(); 
+		} 
+		else if (command.compare("if") == 0 || command.compare("ifexist") == 0) 
+		{ 
+			std::string query = readQuery(in); 
+			if (query.empty()) 
+			{ 
+				throw JSONTemplateException("Missing query in <? " + command + " ?>"); 
+			} 
+			_partStack.push(_currentPart); 
+			LogicPart* lp = new LogicPart(); 
+			_partStack.push(lp); 
+			_currentPart->addPart(lp); 
+			_currentPart = new MultiPart(); 
+			if (command.compare("ifexist") == 0) 
+			{ 
+				lp->addPart(new LogicExistQuery(query), _currentPart); 
+			} 
+			else 
+			{ 
+				lp->addPart(new LogicQuery(query), _currentPart); 
+			} 
+		} 
+		else if (command.compare("include") == 0) 
+		{ 
+			readWhiteSpace(in); 
+			std::string filename = readString(in); 
+			if (filename.empty()) 
+			{ 
+				throw JSONTemplateException("Missing filename in <? include ?>"); 
+			} 
+			else 
+			{ 
+				Path resolvePath(_templatePath); 
+				resolvePath.makeParent(); 
+				_currentPart->addPart(new IncludePart(resolvePath, filename)); 
+			} 
+		} 
+		else 
+		{ 
+			throw JSONTemplateException("Unknown command " + command); 
+		} 
+ 
+		readWhiteSpace(in); 
+ 
+		int c = in.get(); 
+		if (c == '?' && in.peek() == '>') 
+		{ 
+			in.get(); // forget '>' 
+ 
+			if (command.compare("echo") != 0) 
+			{ 
+				if (in.peek() == '\r') 
+				{ 
+					in.get(); 
+				} 
+				if (in.peek() == '\n') 
+				{ 
+					in.get(); 
+				} 
+			} 
+		} 
+		else 
+		{ 
+			throw JSONTemplateException("Missing ?>"); 
+		} 
+	} 
+} 
+ 
+ 
+std::string Template::readText(std::istream& in) 
+{ 
+	std::string text; 
+	int c = in.get(); 
+	while (c != -1) 
+	{ 
+		if (c == '<') 
+		{ 
+			if (in.peek() == '?') 
+			{ 
+				in.get(); // forget '?' 
+				break; 
+			} 
+		} 
+		text += static_cast<char>(c); 
+ 
+		c = in.get(); 
+	} 
+	return text; 
+} 
+ 
+ 
+std::string Template::readTemplateCommand(std::istream& in) 
+{ 
+	std::string command; 
+ 
+	readWhiteSpace(in); 
+ 
+	int c = in.get(); 
+	while (c != -1) 
+	{ 
+		if (Ascii::isSpace(c)) 
+			break; 
+ 
+		if (c == '?' && in.peek() == '>') 
+		{ 
+			in.putback(static_cast<char>(c)); 
+			break; 
+		} 
+ 
+		if (c == '=' && command.length() == 0) 
+		{ 
+			command = "echo"; 
+			break; 
+		} 
+ 
+		command += static_cast<char>(c); 
+ 
+		c = in.get(); 
+	} 
+ 
+	return command; 
+} 
+ 
+ 
+std::string Template::readWord(std::istream& in) 
+{ 
+	std::string word; 
+	int c; 
+	while ((c = in.peek()) != -1 && !Ascii::isSpace(c)) 
+	{ 
+		in.get(); 
+		word += static_cast<char>(c); 
+	} 
+	return word; 
+} 
+ 
+ 
+std::string Template::readQuery(std::istream& in) 
+{ 
+	std::string word; 
+	int c; 
+	while ((c = in.get()) != -1) 
+	{ 
+		if (c == '?' && in.peek() == '>') 
+		{ 
+			in.putback(static_cast<char>(c)); 
+			break; 
+		} 
+ 
+		if (Ascii::isSpace(c)) 
+		{ 
+			break; 
+		} 
+		word += static_cast<char>(c); 
+	} 
+	return word; 
+} 
+ 
+ 
+void Template::readWhiteSpace(std::istream& in) 
+{ 
+	int c; 
+	while ((c = in.peek()) != -1 && Ascii::isSpace(c)) 
+	{ 
+		in.get(); 
+	} 
+} 
+ 
+ 
+std::string Template::readString(std::istream& in) 
+{ 
+	std::string str; 
+ 
+	int c = in.get(); 
+	if (c == '"') 
+	{ 
+		while ((c = in.get()) != -1 && c != '"') 
+		{ 
+			str += static_cast<char>(c); 
+		} 
+	} 
+	return str; 
+} 
+ 
+ 
+void Template::render(const Var& data, std::ostream& out) const 
+{ 
+	_parts->render(data, out); 
+} 
+ 
+ 
+} } // namespace Poco::JSON