merge XMLStreamParser from develop

This commit is contained in:
Guenter Obiltschnig 2017-10-31 13:09:59 +01:00
parent a9f0279382
commit a0ecfe0b28
15 changed files with 2689 additions and 6 deletions

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@ -17,10 +17,10 @@ objects = AbstractContainerNode AbstractNode Attr AttrMap Attributes \
EntityResolverImpl ErrorHandler Event EventDispatcher EventException \
EventListener EventTarget InputSource LexicalHandler Locator LocatorImpl \
MutationEvent Name NamePool NamedNodeMap NamespaceStrategy \
NamespaceSupport Node NodeFilter NodeIterator NodeList Notation \
ParserEngine ProcessingInstruction SAXException SAXParser Text \
NamespaceSupport NodeAppender Node NodeFilter NodeIterator NodeList Notation \
ParserEngine ProcessingInstruction QName SAXException SAXParser Text \
TreeWalker WhitespaceFilter XMLException XMLFilter XMLFilterImpl XMLReader \
XMLString XMLWriter NodeAppender
XMLString XMLWriter XMLStreamParser XMLStreamParserException ValueTraits
expat_objects = xmlparse xmlrole xmltok

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@ -0,0 +1,63 @@
//
// Content.h
//
// Library: XML
// Package: XML
// Module: Content
//
// Definition of the Content enum.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef XML_Content_INCLUDED
#define XML_Content_INCLUDED
namespace Poco {
namespace XML {
struct Content
/// XML content model. C++11 enum class emulated for C++98.
///
/// element characters whitespaces notes
/// Empty no no ignored
/// Simple no yes preserved content accumulated
/// Complex yes no ignored
/// Mixed yes yes preserved
{
enum value
{
Empty,
Simple,
Complex,
Mixed
};
Content(value v)
: _v(v)
{
}
operator value() const
{
return _v;
}
private:
value _v;
};
} } // namespace Poco::XML
#endif // XML_Content_INCLUDED

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@ -0,0 +1,135 @@
//
// QName.h
//
// Library: XML
// Package: XML
// Module: QName
//
// Definition of the QName class.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef XML_QName_INCLUDED
#define XML_QName_INCLUDED
#include "Poco/XML/XML.h"
#include <string>
#include <iosfwd>
namespace Poco {
namespace XML {
class XML_API QName
/// This class represents a qualified XML name in the stream parser.
///
/// Note that the optional prefix is just a "syntactic sugar". In
/// particular, it is ignored by the comparison operators and the
/// std::ostream insertion operator.
{
public:
QName();
QName(const std::string& name);
QName(const std::string& ns, const std::string& name);
QName(const std::string& ns, const std::string& name, const std::string& prefix);
const std::string& namespaceURI() const;
/// Returns the namespace URI part of the name.
const std::string& localName() const;
/// Returns the local part of the name.
const std::string& prefix() const;
/// Returns the namespace prefix of the name.
std::string& namespaceURI();
/// Returns the namespace URI part of the name.
std::string& localName();
/// Returns the local part of the name.
std::string& prefix();
/// Returns the namespace prefix of the name.
std::string toString() const;
/// Returns a printable representation in the [<namespace>#]<name> form.
public:
friend bool operator < (const QName& x, const QName& y)
{
return x._ns < y._ns || (x._ns == y._ns && x._name < y._name);
}
friend bool operator == (const QName& x, const QName& y)
{
return x._ns == y._ns && x._name == y._name;
}
friend bool operator != (const QName& x, const QName& y)
{
return !(x == y);
}
private:
std::string _ns;
std::string _name;
std::string _prefix;
};
//
// inlines
//
inline const std::string& QName::namespaceURI() const
{
return _ns;
}
inline const std::string& QName::localName() const
{
return _name;
}
inline const std::string& QName::prefix() const
{
return _prefix;
}
inline std::string& QName::namespaceURI()
{
return _ns;
}
inline std::string& QName::localName()
{
return _name;
}
inline std::string& QName::prefix()
{
return _prefix;
}
XML_API std::ostream& operator << (std::ostream&, const QName&);
} } // namespace Poco::XML
#endif // XML_QName_INCLUDED

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@ -0,0 +1,104 @@
//
// ValueTraits.h
//
// Library: XML
// Package: XML
// Module: ValueTraits
//
// Definition of the ValueTraits templates.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef XML_ValueTraits_INCLUDED
#define XML_ValueTraits_INCLUDED
#include "XMLStreamParserException.h"
#include <string>
#include <cstddef>
#include <iostream>
#include <sstream>
namespace Poco {
namespace XML {
class XMLStreamParser;
class XMLStreamSerializer;
template <typename T>
struct DefaultValueTraits
{
static T
parse(std::string, const XMLStreamParser&);
static std::string
serialize(const T&, const XMLStreamSerializer&);
};
template <>
struct XML_API DefaultValueTraits<bool>
{
static bool
parse(std::string, const XMLStreamParser&);
static std::string serialize(bool v, const XMLStreamSerializer&)
{
return v ? "true" : "false";
}
};
template <>
struct XML_API DefaultValueTraits<std::string>
{
static std::string parse(std::string s, const XMLStreamParser&)
{
return s;
}
static std::string serialize(const std::string& v, const XMLStreamSerializer&)
{
return v;
}
};
template <typename T>
struct ValueTraits: DefaultValueTraits<T>
{
};
template <typename T, std::size_t N>
struct ValueTraits<T[N]> : DefaultValueTraits<const T*>
{
};
template <typename T>
T DefaultValueTraits<T>::parse(std::string s, const XMLStreamParser& p)
{
T r;
std::istringstream is(s);
if (!(is >> r && is.eof()))
throw XMLStreamParserException(p, "invalid value '" + s + "'");
return r;
}
} } // namespace Poco::XML
#endif // XML_ValueTraits_INCLUDED

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@ -0,0 +1,630 @@
//
// XMLStreamParser.h
//
// Library: XML
// Package: XML
// Module: XMLStreamParser
//
// Definition of the XMLStreamParser class.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef XML_XMLStreamParser_INCLUDED
#define XML_XMLStreamParser_INCLUDED
// We only support UTF-8 expat.
#ifdef XML_UNICODE
#error UTF-16 expat (XML_UNICODE defined) is not supported
#endif
#include "Poco/XML/QName.h"
#include "Poco/XML/ValueTraits.h"
#include "Poco/XML/Content.h"
#include <Poco/XML/expat.h>
#include <map>
#include <vector>
#include <string>
#include <iosfwd>
#include <cstddef>
namespace Poco {
namespace XML {
class XML_API XMLStreamParser
/// The streaming XML pull parser and streaming XML serializer. The parser
/// is a conforming, non-validating XML 1.0 implementation (see Implementation Notes
/// for details). The application character encoding (that is, the encoding used
/// in the application's memory) for both parser and serializer is UTF-8.
/// The output encoding of the serializer is UTF-8 as well. The parser supports
/// UTF-8, UTF-16, ISO-8859-1, and US-ASCII input encodings.
///
/// Attribute map:
///
/// Attribute map lookup. If attribute is not found, then the version
/// without the default value throws an appropriate parsing exception
/// while the version with the default value returns that value.
///
/// Note also that there is no attribute(ns, name) version since it
/// would conflict with attribute(name, dv) (qualified attributes
/// are not very common).
///
/// Attribute map is valid throughout at the "element level" until
/// end_element and not just during EV_START_ELEMENT. As a special case,
/// the map is still valid after peek() that returned end_element until
/// this end_element event is retrieved with next().
///
/// Using parser:
///
/// XMLStreamParser p(ifs, argv[1]);
/// for (XMLStreamParser::EventType e: p)
/// {
/// switch (e)
/// {
/// case XMLStreamParser::EV_START_ELEMENT:
/// cerr << p.line () << ':' << p.column () << ": start " << p.name () << endl;
/// break;
/// case XMLStreamParser::EV_END_ELEMENT:
/// cerr << p.line () << ':' << p.column () << ": end " << p.name () << endl;
/// break;
/// case XMLStreamParser::EV_START_ATTRIBUTE:
/// ...
/// case XMLStreamParser::EV_END_ATTRIBUTE:
/// ...
/// case XMLStreamParser::EV_CHARACTERS:
/// ...
/// }
/// }
{
public:
enum EventType
/// Parsing events.
{
EV_START_ELEMENT,
EV_END_ELEMENT,
EV_START_ATTRIBUTE,
EV_END_ATTRIBUTE,
EV_CHARACTERS,
EV_START_NAMESPACE_DECL,
EV_END_NAMESPACE_DECL,
EV_EOF
};
typedef unsigned short FeatureType;
/// If both receive_attributes_event and RECEIVE_ATTRIBUTE_MAP are
/// specified, then RECEIVE_ATTRIBUTES_EVENT is assumed.
static const FeatureType RECEIVE_ELEMENTS = 0x0001;
static const FeatureType RECEIVE_CHARACTERS = 0x0002;
static const FeatureType RECEIVE_ATTRIBUTE_MAP = 0x0004;
static const FeatureType RECEIVE_ATTRIBUTES_EVENT = 0x0008;
static const FeatureType RECEIVE_NAMESPACE_DECLS = 0x0010;
static const FeatureType RECEIVE_DEFAULT = RECEIVE_ELEMENTS | RECEIVE_CHARACTERS | RECEIVE_ATTRIBUTE_MAP;
struct XML_API AttributeValueType
{
std::string value;
mutable bool handled;
};
typedef std::map<QName, AttributeValueType> AttributeMapType;
struct XML_API Iterator
// C++11 range-based for support. Generally, the iterator interface
// doesn't make much sense for the XMLStreamParser so for now we have an
// implementation that is just enough to the range-based for.
{
typedef EventType value_type;
Iterator(XMLStreamParser* p = 0, EventType e = EV_EOF):
_parser(p),
_e(e)
{
}
value_type operator * () const
{
return _e;
}
Iterator& operator ++ ()
{
_e = _parser->next();
return *this;
}
bool operator == (Iterator y) const
/// Comparison only makes sense when comparing to end (eof).
{
return _e == EV_EOF && y._e == EV_EOF;
}
bool operator != (Iterator y) const
/// Comparison only makes sense when comparing to end (eof).
{
return !(*this == y);
}
private:
XMLStreamParser* _parser;
EventType _e;
};
Iterator begin()
{
return Iterator(this, next());
}
Iterator end()
{
return Iterator(this, EV_EOF);
}
XMLStreamParser(std::istream&, const std::string& inputName, FeatureType = RECEIVE_DEFAULT);
/// The parser constructor takes three arguments: the stream to parse,
/// input name that is used in diagnostics to identify the document being
/// parsed, and the list of events we want the parser to report.
///
/// Parse std::istream. Input name is used in diagnostics to identify
/// the document being parsed.
///
/// If stream exceptions are enabled then std::ios_base::failure
/// exception is used to report io errors (badbit and failbit).
/// Otherwise, those are reported as the parsing exception.
XMLStreamParser(const void* data, std::size_t size, const std::string& inputName, FeatureType = RECEIVE_DEFAULT);
/// Parse memory buffer that contains the whole document. Input name
/// is used in diagnostics to identify the document being parsed.
~XMLStreamParser();
/// Destroys the XMLStreamParser.
EventType next();
/// Call the next() function when we are ready to handle the next piece of XML.
void nextExpect(EventType);
/// Get the next event and make sure that it's what's expected. If it
/// is not, then throw an appropriate parsing exception.
void nextExpect(EventType, const std::string& name);
void nextExpect(EventType, const QName& qname);
void nextExpect(EventType, const std::string& ns, const std::string& name);
EventType peek();
EventType event();
/// Return the event that was last returned by the call to next() or peek().
const std::string& inputName() const;
const QName& getQName() const;
const std::string& namespaceURI() const;
const std::string& localName() const;
const std::string& prefix() const;
std::string& value();
const std::string& value() const;
template <typename T> T value() const;
Poco::UInt64 line() const;
Poco::UInt64 column() const;
const std::string& attribute(const std::string& name) const;
template <typename T>
T attribute(const std::string& name) const;
std::string attribute(const std::string& name, const std::string& deflt) const;
template <typename T>
T attribute(const std::string& name, const T& deflt) const;
const std::string& attribute(const QName& qname) const;
template <typename T>
T attribute(const QName& qname) const;
std::string attribute(const QName& qname, const std::string& deflt) const;
template <typename T>
T attribute(const QName& qname, const T& deflt) const;
bool attributePresent(const std::string& name) const;
bool attributePresent(const QName& qname) const;
const AttributeMapType& attributeMap() const;
void content(Content);
Content content() const;
void nextExpect(EventType, const std::string& name, Content);
void nextExpect(EventType, const QName& qname, Content);
void nextExpect(EventType, const std::string& ns, const std::string& name, Content);
// Helpers for parsing elements with simple content. The first two
// functions assume that EV_START_ELEMENT has already been parsed. The
// rest parse the complete element, from start to end.
//
// Note also that as with attribute(), there is no (namespace,name)
// overload since it would conflicts with (namespace,deflt).
std::string element();
template <typename T>
T element();
std::string element(const std::string& name);
std::string element(const QName& qname);
template <typename T>
T element(const std::string& name);
template <typename T>
T element(const QName& qname);
std::string element(const std::string& name, const std::string& deflt);
std::string element(const QName& qname, const std::string& deflt);
template <typename T>
T element(const std::string& name, const T& deflt);
template <typename T>
T element(const QName& qname, const T& deflt);
private:
XMLStreamParser(const XMLStreamParser&);
XMLStreamParser& operator = (const XMLStreamParser&);
static void XMLCALL handleStartElement(void*, const XML_Char*, const XML_Char**);
static void XMLCALL handleEndElement(void*, const XML_Char*);
static void XMLCALL handleCharacters(void*, const XML_Char*, int);
static void XMLCALL handleStartNamespaceDecl(void*, const XML_Char*, const XML_Char*);
static void XMLCALL handleEndNamespaceDecl(void*, const XML_Char*);
void init();
EventType nextImpl(bool peek);
EventType nextBody();
void handleError();
// If _size is 0, then data is std::istream. Otherwise, it is a buffer.
union
{
std::istream* is;
const void* buf;
}
_data;
std::size_t _size;
const std::string _inputName;
FeatureType _feature;
XML_Parser _parser;
std::size_t _depth;
bool _accumulateContent; // Whether we are accumulating character content.
enum { state_next, state_peek } _parserState;
EventType _currentEvent;
EventType _queue;
QName _qname;
std::string _value;
const QName* _qualifiedName;
std::string* _pvalue;
Poco::UInt64 _line;
Poco::UInt64 _column;
struct AttributeType
{
QName qname;
std::string value;
};
typedef std::vector<AttributeType> attributes;
attributes _attributes;
attributes::size_type _currentAttributeIndex; // Index of the current attribute.
typedef std::vector<QName> NamespaceDecls;
NamespaceDecls _startNamespace;
NamespaceDecls::size_type _startNamespaceIndex;// Index of the current decl.
NamespaceDecls _endNamespace;
NamespaceDecls::size_type _endNamespaceIndex;// Index of the current decl.
struct ElementEntry
{
ElementEntry(std::size_t d, Content c = Content::Mixed):
depth(d),
content(c),
attributesUnhandled(0)
{
}
std::size_t depth;
Content content;
AttributeMapType attributeMap;
mutable AttributeMapType::size_type attributesUnhandled;
};
typedef std::vector<ElementEntry> ElementState;
std::vector<ElementEntry> _elementState;
const AttributeMapType _emptyAttrMap;
const ElementEntry* getElement() const;
const ElementEntry* getElementImpl() const;
void popElement();
};
XML_API std::ostream& operator << (std::ostream&, XMLStreamParser::EventType);
//
// inlines
//
inline XMLStreamParser::EventType XMLStreamParser::event()
// Return the even that was last returned by the call to next() or peek().
{
return _currentEvent;
}
inline const std::string& XMLStreamParser::inputName() const
{
return _inputName;
}
inline const QName& XMLStreamParser::getQName() const
{
return *_qualifiedName;
}
inline const std::string& XMLStreamParser::namespaceURI() const
{
return _qualifiedName->namespaceURI();
}
inline const std::string& XMLStreamParser::localName() const
{
return _qualifiedName->localName();
}
inline const std::string& XMLStreamParser::prefix() const
{
return _qualifiedName->prefix();
}
inline std::string& XMLStreamParser::value()
{
return *_pvalue;
}
inline const std::string& XMLStreamParser::value() const
{
return *_pvalue;
}
inline Poco::UInt64 XMLStreamParser::line() const
{
return _line;
}
inline Poco::UInt64 XMLStreamParser::column() const
{
return _column;
}
inline XMLStreamParser::EventType XMLStreamParser::peek()
{
if (_parserState == state_peek)
return _currentEvent;
else
{
EventType e(nextImpl(true));
_parserState = state_peek; // Set it after the call to nextImpl().
return e;
}
}
template <typename T>
inline T XMLStreamParser::value() const
{
return ValueTraits < T > ::parse(value(), *this);
}
inline const std::string& XMLStreamParser::attribute(const std::string& n) const
{
return attribute(QName(n));
}
template <typename T>
inline T XMLStreamParser::attribute(const std::string& n) const
{
return attribute < T > (QName(n));
}
inline std::string XMLStreamParser::attribute(const std::string& n, const std::string& dv) const
{
return attribute(QName(n), dv);
}
template <typename T>
inline T XMLStreamParser::attribute(const std::string& n, const T& dv) const
{
return attribute < T > (QName(n), dv);
}
template <typename T>
inline T XMLStreamParser::attribute(const QName& qn) const
{
return ValueTraits < T > ::parse(attribute(qn), *this);
}
inline bool XMLStreamParser::attributePresent(const std::string& n) const
{
return attributePresent(QName(n));
}
inline const XMLStreamParser::AttributeMapType& XMLStreamParser::attributeMap() const
{
if (const ElementEntry* e = getElement())
{
e->attributesUnhandled = 0; // Assume all handled.
return e->attributeMap;
}
return _emptyAttrMap;
}
inline void XMLStreamParser::nextExpect(EventType e, const QName& qn)
{
nextExpect(e, qn.namespaceURI(), qn.localName());
}
inline void XMLStreamParser::nextExpect(EventType e, const std::string& n)
{
nextExpect(e, std::string(), n);
}
inline void XMLStreamParser::nextExpect(EventType e, const QName& qn, Content c)
{
nextExpect(e, qn);
poco_assert(e == EV_START_ELEMENT);
content(c);
}
inline void XMLStreamParser::nextExpect(EventType e, const std::string& n, Content c)
{
nextExpect(e, std::string(), n);
poco_assert(e == EV_START_ELEMENT);
content(c);
}
inline void XMLStreamParser::nextExpect(EventType e, const std::string& ns, const std::string& n, Content c)
{
nextExpect(e, ns, n);
poco_assert(e == EV_START_ELEMENT);
content(c);
}
template <typename T>
inline T XMLStreamParser::element()
{
return ValueTraits < T > ::parse(element(), *this);
}
inline std::string XMLStreamParser::element(const std::string& n)
{
nextExpect(EV_START_ELEMENT, n);
return element();
}
inline std::string XMLStreamParser::element(const QName& qn)
{
nextExpect(EV_START_ELEMENT, qn);
return element();
}
template <typename T>
inline T XMLStreamParser::element(const std::string& n)
{
return ValueTraits < T > ::parse(element(n), *this);
}
template <typename T>
inline T XMLStreamParser::element(const QName& qn)
{
return ValueTraits < T > ::parse(element(qn), *this);
}
inline std::string XMLStreamParser::element(const std::string& n, const std::string& dv)
{
return element(QName(n), dv);
}
template <typename T>
inline T XMLStreamParser::element(const std::string& n, const T& dv)
{
return element < T > (QName(n), dv);
}
inline void XMLStreamParser::content(Content c)
{
poco_assert(_parserState == state_next);
if (!_elementState.empty() && _elementState.back().depth == _depth)
_elementState.back().content = c;
else
_elementState.push_back(ElementEntry(_depth, c));
}
inline Content XMLStreamParser::content() const
{
poco_assert(_parserState == state_next);
return !_elementState.empty() && _elementState.back().depth == _depth ? _elementState.back().content : Content(Content::Mixed);
}
inline const XMLStreamParser::ElementEntry* XMLStreamParser::getElement() const
{
return _elementState.empty() ? 0 : getElementImpl();
}
template <typename T>
T XMLStreamParser::attribute(const QName& qn, const T& dv) const
{
if (const ElementEntry* e = getElement())
{
AttributeMapType::const_iterator i(e->attributeMap.find(qn));
if (i != e->attributeMap.end())
{
if (!i->second.handled)
{
i->second.handled = true;
e->attributesUnhandled--;
}
return ValueTraits < T > ::parse(i->second.value, *this);
}
}
return dv;
}
template <typename T>
T XMLStreamParser::element(const QName& qn, const T& dv)
{
if (peek() == EV_START_ELEMENT && getQName() == qn)
{
next();
return element<T>();
}
return dv;
}
} } // namespace Poco::XML
#endif // XML_XMLStreamParser_INCLUDED

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@ -0,0 +1,58 @@
//
// XMLStreamParserException.h
//
// Library: XML
// Package: XML
// Module: XMLStreamParserException
//
// Definition of the XMLStreamParserException class.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef XML_XMLStreamParserException_INCLUDED
#define XML_XMLStreamParserException_INCLUDED
#include <Poco/XML/XMLException.h>
namespace Poco {
namespace XML {
class XMLStreamParser;
class XML_API XMLStreamParserException: public Poco::XML::XMLException
{
public:
XMLStreamParserException(const std::string& name, Poco::UInt64 line, Poco::UInt64 column, const std::string& description);
XMLStreamParserException(const XMLStreamParser&, const std::string& description);
virtual ~XMLStreamParserException() throw ();
const char* name() const throw();
Poco::UInt64 line() const;
Poco::UInt64 column() const;
const std::string& description() const;
virtual const char* what() const throw ();
private:
void init();
std::string _name;
Poco::UInt64 _line;
Poco::UInt64 _column;
std::string _description;
std::string _what;
};
} } // namespace Poco::XML
#endif // XML_XMLStreamParserException_INCLUDED

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@ -246,7 +246,7 @@ void ParserEngine::parse(const char* pBuffer, std::size_t size)
std::size_t processed = 0;
while (processed < size)
{
const int bufferSize = processed + PARSE_BUFFER_SIZE < size ? PARSE_BUFFER_SIZE : size - processed;
const int bufferSize = processed + PARSE_BUFFER_SIZE < size ? PARSE_BUFFER_SIZE : static_cast<int>(size - processed);
if (!XML_Parse(_parser, pBuffer + processed, bufferSize, 0))
handleError(XML_GetErrorCode(_parser));
processed += bufferSize;

74
XML/src/QName.cpp Normal file
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@ -0,0 +1,74 @@
//
// QName.cpp
//
// $Id$
//
// Library: XML
// Package: XML
// Module: QName
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/XML/QName.h"
#include <ostream>
namespace Poco {
namespace XML {
QName::QName()
{
}
QName::QName(const std::string& name) :
_name(name)
{
}
QName::QName(const std::string& ns, const std::string& name) :
_ns(ns),
_name(name)
{
}
QName::QName(const std::string& ns, const std::string& name, const std::string& prefix) :
_ns(ns),
_name(name),
_prefix(prefix)
{
}
std::string QName::toString() const
{
std::string r;
if (!_ns.empty())
{
r += _ns;
r += '#';
}
r += _name;
return r;
}
std::ostream& operator << (std::ostream& os, const QName& qn)
{
return os << qn.toString();
}
} } // namespace Poco::XML

41
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@ -0,0 +1,41 @@
//
// ValueTraits.cpp
//
// $Id$
//
// Library: XML
// Package: XML
// Module: ValueTraits
//
// Definition of the ValueTraits templates.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/XML/XMLStreamParser.h"
#include "Poco/XML/XMLStreamParserException.h"
namespace Poco {
namespace XML {
bool DefaultValueTraits<bool>::parse(std::string s, const XMLStreamParser& p)
{
if (s == "true" || s == "1" || s == "True" || s == "TRUE")
return true;
else if (s == "false" || s == "0" || s == "False" || s == "FALSE")
return false;
else
throw XMLStreamParserException(p, "invalid bool value '" + s + "'");
}
} } // namespace Poco::XML

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//
// XMLStreamParser.cpp
//
// $Id$
//
// Library: XML
// Package: XML
// Module: XMLStreamParser
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Based on libstudxml (http://www.codesynthesis.com/projects/libstudxml/).
// Copyright (c) 2009-2013 Code Synthesis Tools CC.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/XML/XMLStreamParser.h"
#include <new>
#include <cstring>
#include <istream>
#include <ostream>
#include <sstream>
namespace Poco {
namespace XML {
struct StreamExceptionController
{
StreamExceptionController(std::istream& is):
_istr(is),
_oldState(_istr.exceptions())
{
_istr.exceptions(_oldState & ~std::istream::failbit);
}
~StreamExceptionController()
{
std::istream::iostate s = _istr.rdstate();
s &= ~std::istream::failbit;
// If our error state (sans failbit) intersects with the
// exception state then that means we have an active
// exception and changing error/exception state will
// cause another to be thrown.
if (!(_oldState & s))
{
// Clear failbit if it was caused by eof.
//
if (_istr.fail() && _istr.eof())
_istr.clear(s);
_istr.exceptions(_oldState);
}
}
private:
StreamExceptionController(const StreamExceptionController&);
StreamExceptionController& operator = (const StreamExceptionController&);
private:
std::istream& _istr;
std::istream::iostate _oldState;
};
static const char* parserEventStrings[] =
{
"start element",
"end element",
"start attribute",
"end attribute",
"characters",
"start namespace declaration",
"end namespace declaration",
"end of file"
};
std::ostream& operator << (std::ostream& os, XMLStreamParser::EventType e)
{
return os << parserEventStrings[e];
}
XMLStreamParser::XMLStreamParser(std::istream& is, const std::string& iname, FeatureType f):
_size(0),
_inputName(iname),
_feature(f)
{
_data.is = &is;
init();
}
XMLStreamParser::XMLStreamParser(const void* data, std::size_t size, const std::string& iname, FeatureType f):
_size(size),
_inputName(iname),
_feature(f)
{
poco_assert(data != 0 && size != 0);
_data.buf = data;
init();
}
XMLStreamParser::~XMLStreamParser()
{
if (_parser) XML_ParserFree(_parser);
}
void XMLStreamParser::init()
{
_depth = 0;
_parserState = state_next;
_currentEvent = EV_EOF;
_queue = EV_EOF;
_qualifiedName = &_qname;
_pvalue = &_value;
_line = 0;
_column = 0;
_currentAttributeIndex = 0;
_startNamespaceIndex = 0;
_endNamespaceIndex = 0;
if ((_feature & RECEIVE_ATTRIBUTE_MAP) != 0 && (_feature & RECEIVE_ATTRIBUTES_EVENT) != 0)
_feature &= ~RECEIVE_ATTRIBUTE_MAP;
// Allocate the XMLStreamParser. Make sure nothing else can throw after
// this call since otherwise we will leak it.
//
_parser = XML_ParserCreateNS(0, XML_Char(' '));
if (_parser == 0)
throw std::bad_alloc();
// Get prefixes in addition to namespaces and local names.
//
XML_SetReturnNSTriplet(_parser, true);
// Set handlers.
//
XML_SetUserData(_parser, this);
if ((_feature & RECEIVE_ELEMENTS) != 0)
{
XML_SetStartElementHandler(_parser, &handleStartElement);
XML_SetEndElementHandler(_parser, &handleEndElement);
}
if ((_feature & RECEIVE_CHARACTERS) != 0)
XML_SetCharacterDataHandler(_parser, &handleCharacters);
if ((_feature & RECEIVE_NAMESPACE_DECLS) != 0)
XML_SetNamespaceDeclHandler(_parser, &handleStartNamespaceDecl, &handleEndNamespaceDecl);
}
void XMLStreamParser::handleError()
{
XML_Error e(XML_GetErrorCode(_parser));
if (e == XML_ERROR_ABORTED)
{
// For now we only abort the XMLStreamParser in the handleCharacters() and
// handleStartElement() handlers.
//
switch (content())
{
case Content::Empty:
throw XMLStreamParserException(*this, "characters in empty content");
case Content::Simple:
throw XMLStreamParserException(*this, "element in simple content");
case Content::Complex:
throw XMLStreamParserException(*this, "characters in complex content");
default:
poco_assert(false);
}
}
else
throw XMLStreamParserException(_inputName, XML_GetCurrentLineNumber(_parser), XML_GetCurrentColumnNumber(_parser), XML_ErrorString(e));
}
XMLStreamParser::EventType XMLStreamParser::next()
{
if (_parserState == state_next)
return nextImpl(false);
else
{
// If we previously peeked at start/end_element, then adjust
// state accordingly.
//
switch (_currentEvent)
{
case EV_END_ELEMENT:
{
if (!_elementState.empty() && _elementState.back().depth == _depth)
popElement();
_depth--;
break;
}
case EV_START_ELEMENT:
{
_depth++;
break;
}
default:
break;
}
_parserState = state_next;
return _currentEvent;
}
}
const std::string& XMLStreamParser::attribute(const QName& qn) const
{
if (const ElementEntry* e = getElement())
{
AttributeMapType::const_iterator i(e->attributeMap.find(qn));
if (i != e->attributeMap.end())
{
if (!i->second.handled)
{
i->second.handled = true;
e->attributesUnhandled--;
}
return i->second.value;
}
}
throw XMLStreamParserException(*this, "attribute '" + qn.toString() + "' expected");
}
std::string XMLStreamParser::attribute(const QName& qn, const std::string& dv) const
{
if (const ElementEntry* e = getElement())
{
AttributeMapType::const_iterator i(e->attributeMap.find(qn));
if (i != e->attributeMap.end())
{
if (!i->second.handled)
{
i->second.handled = true;
e->attributesUnhandled--;
}
return i->second.value;
}
}
return dv;
}
bool XMLStreamParser::attributePresent(const QName& qn) const
{
if (const ElementEntry* e = getElement())
{
AttributeMapType::const_iterator i(e->attributeMap.find(qn));
if (i != e->attributeMap.end())
{
if (!i->second.handled)
{
i->second.handled = true;
e->attributesUnhandled--;
}
return true;
}
}
return false;
}
void XMLStreamParser::nextExpect(EventType e)
{
if (next() != e)
throw XMLStreamParserException(*this, std::string(parserEventStrings[e]) + " expected");
}
void XMLStreamParser::nextExpect(EventType e, const std::string& ns, const std::string& n)
{
if (next() != e || namespaceURI() != ns || localName() != n)
throw XMLStreamParserException(*this, std::string(parserEventStrings[e]) + " '" + QName(ns, n).toString() + "' expected");
}
std::string XMLStreamParser::element()
{
content(Content::Simple);
std::string r;
// The content of the element can be empty in which case there
// will be no characters event.
//
EventType e(next());
if (e == EV_CHARACTERS)
{
r.swap(value());
e = next();
}
// We cannot really get anything other than end_element since
// the simple content validation won't allow it.
//
poco_assert(e == EV_END_ELEMENT);
return r;
}
std::string XMLStreamParser::element(const QName& qn, const std::string& dv)
{
if (peek() == EV_START_ELEMENT && getQName() == qn)
{
next();
return element();
}
return dv;
}
const XMLStreamParser::ElementEntry* XMLStreamParser::getElementImpl() const
{
// The handleStartElement() Expat handler may have already provisioned
// an entry in the element stack. In this case, we need to get the
// one before it, if any.
//
const ElementEntry* r(0);
ElementState::size_type n(_elementState.size() - 1);
if (_elementState[n].depth == _depth)
r = &_elementState[n];
else if (n != 0 && _elementState[n].depth > _depth)
{
n--;
if (_elementState[n].depth == _depth)
r = &_elementState[n];
}
return r;
}
void XMLStreamParser::popElement()
{
// Make sure there are no unhandled attributes left.
//
const ElementEntry& e(_elementState.back());
if (e.attributesUnhandled != 0)
{
// Find the first unhandled attribute and report it.
//
for (AttributeMapType::const_iterator i(e.attributeMap.begin()); i != e.attributeMap.end(); ++i)
{
if (!i->second.handled)
throw XMLStreamParserException(*this, "unexpected attribute '" + i->first.toString() + "'");
}
poco_assert(false);
}
_elementState.pop_back();
}
XMLStreamParser::EventType XMLStreamParser::nextImpl(bool peek)
{
EventType e(nextBody());
// Content-specific processing. Note that we handle characters in the
// handleCharacters() Expat handler for two reasons. Firstly, it is faster
// to ignore the whitespaces at the source. Secondly, this allows us
// to distinguish between element and attribute characters. We can
// move this processing to the handler because the characters event
// is never queued.
//
switch (e)
{
case EV_END_ELEMENT:
{
// If this is a peek, then avoid popping the stack just yet.
// This way, the attribute map will still be valid until we
// call next().
//
if (!peek)
{
if (!_elementState.empty() && _elementState.back().depth == _depth)
popElement();
_depth--;
}
break;
}
case EV_START_ELEMENT:
{
if (const ElementEntry* pEntry = getElement())
{
switch (pEntry->content)
{
case Content::Empty:
throw XMLStreamParserException(*this, "element in empty content");
case Content::Simple:
throw XMLStreamParserException(*this, "element in simple content");
default:
break;
}
}
// If this is a peek, then delay adjusting the depth.
//
if (!peek)
_depth++;
break;
}
default:
break;
}
return e;
}
XMLStreamParser::EventType XMLStreamParser::nextBody()
{
// See if we have any start namespace declarations we need to return.
//
if (_startNamespaceIndex < _startNamespace.size())
{
// Based on the previous event determine what's the next one must be.
//
switch (_currentEvent)
{
case EV_START_NAMESPACE_DECL:
{
if (++_startNamespaceIndex == _startNamespace.size())
{
_startNamespaceIndex = 0;
_startNamespace.clear();
_qualifiedName = &_qname;
break; // No more declarations.
}
// Fall through.
}
case EV_START_ELEMENT:
{
_currentEvent = EV_START_NAMESPACE_DECL;
_qualifiedName = &_startNamespace[_startNamespaceIndex];
return _currentEvent;
}
default:
{
poco_assert(false);
return _currentEvent = EV_EOF;
}
}
}
// See if we have any attributes we need to return as events.
//
if (_currentAttributeIndex < _attributes.size())
{
// Based on the previous event determine what's the next one must be.
//
switch (_currentEvent)
{
case EV_START_ATTRIBUTE:
{
_currentEvent = EV_CHARACTERS;
_pvalue = &_attributes[_currentAttributeIndex].value;
return _currentEvent;
}
case EV_CHARACTERS:
{
_currentEvent = EV_END_ATTRIBUTE; // Name is already set.
return _currentEvent;
}
case EV_END_ATTRIBUTE:
{
if (++_currentAttributeIndex == _attributes.size())
{
_currentAttributeIndex = 0;
_attributes.clear();
_qualifiedName = &_qname;
_pvalue = &_value;
break; // No more attributes.
}
// Fall through.
}
case EV_START_ELEMENT:
case EV_START_NAMESPACE_DECL:
{
_currentEvent = EV_START_ATTRIBUTE;
_qualifiedName = &_attributes[_currentAttributeIndex].qname;
return _currentEvent;
}
default:
{
poco_assert(false);
return _currentEvent = EV_EOF;
}
}
}
// See if we have any end namespace declarations we need to return.
//
if (_endNamespaceIndex < _endNamespace.size())
{
// Based on the previous event determine what's the next one must be.
//
switch (_currentEvent)
{
case EV_END_NAMESPACE_DECL:
{
if (++_endNamespaceIndex == _endNamespace.size())
{
_endNamespaceIndex = 0;
_endNamespace.clear();
_qualifiedName = &_qname;
break; // No more declarations.
}
// Fall through.
}
// The end namespace declaration comes before the end element
// which means it can follow pretty much any other event.
//
default:
{
_currentEvent = EV_END_NAMESPACE_DECL;
_qualifiedName = &_endNamespace[_endNamespaceIndex];
return _currentEvent;
}
}
}
// Check the queue.
//
if (_queue != EV_EOF)
{
_currentEvent = _queue;
_queue = EV_EOF;
_line = XML_GetCurrentLineNumber(_parser);
_column = XML_GetCurrentColumnNumber(_parser);
return _currentEvent;
}
// Reset the character accumulation flag.
//
_accumulateContent = false;
XML_ParsingStatus ps;
XML_GetParsingStatus(_parser, &ps);
switch (ps.parsing)
{
case XML_INITIALIZED:
{
// As if we finished the previous chunk.
break;
}
case XML_PARSING:
{
poco_assert(false);
return _currentEvent = EV_EOF;
}
case XML_FINISHED:
{
return _currentEvent = EV_EOF;
}
case XML_SUSPENDED:
{
switch (XML_ResumeParser(_parser))
{
case XML_STATUS_SUSPENDED:
{
// If the XMLStreamParser is again in the suspended state, then
// that means we have the next event.
//
return _currentEvent;
}
case XML_STATUS_OK:
{
// Otherwise, we need to get and parse the next chunk of data
// unless this was the last chunk, in which case this is eof.
//
if (ps.finalBuffer)
return _currentEvent = EV_EOF;
break;
}
case XML_STATUS_ERROR:
handleError();
}
break;
}
}
// Get and parse the next chunk of data until we get the next event
// or reach eof.
//
if (!_accumulateContent)
_currentEvent = EV_EOF;
XML_Status s;
do
{
if (_size != 0)
{
s = XML_Parse(_parser, static_cast<const char*>(_data.buf), static_cast<int>(_size), true);
if (s == XML_STATUS_ERROR)
handleError();
break;
}
else
{
const size_t cap(4096);
char* b(static_cast<char*>(XML_GetBuffer(_parser, cap)));
if (b == 0)
throw std::bad_alloc();
// Temporarily unset the exception failbit. Also clear the fail bit
// when we reset the old state if it was caused by eof.
//
std::istream& is(*_data.is);
{
StreamExceptionController sec(is);
is.read(b, static_cast<std::streamsize>(cap));
}
// If the caller hasn't configured the stream to use exceptions,
// then use the parsing exception to report an error.
//
if (is.bad() || (is.fail() && !is.eof()))
throw XMLStreamParserException(*this, "io failure");
bool eof(is.eof());
s = XML_ParseBuffer(_parser, static_cast<int>(is.gcount()), eof);
if (s == XML_STATUS_ERROR)
handleError();
if (eof)
break;
}
} while (s != XML_STATUS_SUSPENDED);
return _currentEvent;
}
static void splitName(const XML_Char* s, QName& qn)
{
std::string& ns(qn.namespaceURI());
std::string& name(qn.localName());
std::string& prefix(qn.prefix());
const char* p(strchr(s, ' '));
if (p == 0)
{
ns.clear();
name = s;
prefix.clear();
}
else
{
ns.assign(s, 0, p - s);
s = p + 1;
p = strchr(s, ' ');
if (p == 0)
{
name = s;
prefix.clear();
}
else
{
name.assign(s, 0, p - s);
prefix = p + 1;
}
}
}
void XMLCALL XMLStreamParser::handleStartElement(void* v, const XML_Char* name, const XML_Char** atts)
{
XMLStreamParser& p(*static_cast<XMLStreamParser*>(v));
XML_ParsingStatus ps;
XML_GetParsingStatus(p._parser, &ps);
// Expat has a (mis)-feature of a possibily calling handlers even
// after the non-resumable XML_StopParser call.
//
if (ps.parsing == XML_FINISHED)
return;
// Cannot be a followup event.
//
poco_assert(ps.parsing == XML_PARSING);
// When accumulating characters in simple content, we expect to
// see more characters or end element. Seeing start element is
// possible but means violation of the content model.
//
if (p._accumulateContent)
{
// It would have been easier to throw the exception directly,
// however, the Expat code is most likely not exception safe.
//
p._line = XML_GetCurrentLineNumber(p._parser);
p._column = XML_GetCurrentColumnNumber(p._parser);
XML_StopParser(p._parser, false);
return;
}
p._currentEvent = EV_START_ELEMENT;
splitName(name, p._qname);
p._line = XML_GetCurrentLineNumber(p._parser);
p._column = XML_GetCurrentColumnNumber(p._parser);
// Handle attributes.
//
if (*atts != 0)
{
bool am((p._feature & RECEIVE_ATTRIBUTE_MAP) != 0);
bool ae((p._feature & RECEIVE_ATTRIBUTES_EVENT) != 0);
// Provision an entry for this element.
//
ElementEntry* pe(0);
if (am)
{
p._elementState.push_back(ElementEntry(p._depth + 1));
pe = &p._elementState.back();
}
if (am || ae)
{
for (; *atts != 0; atts += 2)
{
if (am)
{
QName qn;
splitName(*atts, qn);
AttributeMapType::value_type v(qn, AttributeValueType());
v.second.value = *(atts + 1);
v.second.handled = false;
pe->attributeMap.insert(v);
}
else
{
p._attributes.push_back(AttributeType());
splitName(*atts, p._attributes.back().qname);
p._attributes.back().value = *(atts + 1);
}
}
if (am)
pe->attributesUnhandled = pe->attributeMap.size();
}
}
XML_StopParser(p._parser, true);
}
void XMLCALL XMLStreamParser::handleEndElement(void* v, const XML_Char* name)
{
XMLStreamParser& p(*static_cast<XMLStreamParser*>(v));
XML_ParsingStatus ps;
XML_GetParsingStatus(p._parser, &ps);
// Expat has a (mis)-feature of a possibily calling handlers even
// after the non-resumable XML_StopParser call.
//
if (ps.parsing == XML_FINISHED)
return;
// This can be a followup event for empty elements (<foo/>). In this
// case the element name is already set.
//
if (ps.parsing != XML_PARSING)
p._queue = EV_END_ELEMENT;
else
{
splitName(name, p._qname);
// If we are accumulating characters, then queue this event.
//
if (p._accumulateContent)
p._queue = EV_END_ELEMENT;
else
{
p._currentEvent = EV_END_ELEMENT;
p._line = XML_GetCurrentLineNumber(p._parser);
p._column = XML_GetCurrentColumnNumber(p._parser);
}
XML_StopParser(p._parser, true);
}
}
void XMLCALL XMLStreamParser::handleCharacters(void* v, const XML_Char* s, int n)
{
XMLStreamParser& p(*static_cast<XMLStreamParser*>(v));
XML_ParsingStatus ps;
XML_GetParsingStatus(p._parser, &ps);
// Expat has a (mis)-feature of a possibily calling handlers even
// after the non-resumable XML_StopParser call.
//
if (ps.parsing == XML_FINISHED)
return;
Content cont(p.content());
// If this is empty or complex content, see if these are whitespaces.
//
switch (cont)
{
case Content::Empty:
case Content::Complex:
{
for (int i(0); i != n; ++i)
{
char c(s[i]);
if (c == 0x20 || c == 0x0A || c == 0x0D || c == 0x09)
continue;
// It would have been easier to throw the exception directly,
// however, the Expat code is most likely not exception safe.
//
p._line = XML_GetCurrentLineNumber(p._parser);
p._column = XML_GetCurrentColumnNumber(p._parser);
XML_StopParser(p._parser, false);
break;
}
return;
}
default:
break;
}
// Append the characters if we are accumulating. This can also be a
// followup event for another character event. In this case also
// append the data.
//
if (p._accumulateContent || ps.parsing != XML_PARSING)
{
poco_assert(p._currentEvent == EV_CHARACTERS);
p._value.append(s, n);
}
else
{
p._currentEvent = EV_CHARACTERS;
p._value.assign(s, n);
p._line = XML_GetCurrentLineNumber(p._parser);
p._column = XML_GetCurrentColumnNumber(p._parser);
// In simple content we need to accumulate all the characters
// into a single event. To do this we will let the XMLStreamParser run
// until we reach the end of the element.
//
if (cont == Content::Simple)
p._accumulateContent = true;
else
XML_StopParser(p._parser, true);
}
}
void XMLCALL XMLStreamParser::handleStartNamespaceDecl(void* v, const XML_Char* prefix, const XML_Char* ns)
{
XMLStreamParser& p(*static_cast<XMLStreamParser*>(v));
XML_ParsingStatus ps;
XML_GetParsingStatus(p._parser, &ps);
// Expat has a (mis)-feature of a possibily calling handlers even
// after the non-resumable XML_StopParser call.
//
if (ps.parsing == XML_FINISHED)
return;
p._startNamespace.push_back(QName());
p._startNamespace.back().prefix() = (prefix != 0 ? prefix : "");
p._startNamespace.back().namespaceURI() = (ns != 0 ? ns : "");
}
void XMLCALL XMLStreamParser::handleEndNamespaceDecl(void* v, const XML_Char* prefix)
{
XMLStreamParser& p(*static_cast<XMLStreamParser*>(v));
XML_ParsingStatus ps;
XML_GetParsingStatus(p._parser, &ps);
// Expat has a (mis)-feature of a possibily calling handlers even
// after the non-resumable XML_StopParser call.
//
if (ps.parsing == XML_FINISHED)
return;
p._endNamespace.push_back(QName());
p._endNamespace.back().prefix() = (prefix != 0 ? prefix : "");
}
} } // namespace Poco::XML

View File

@ -0,0 +1,90 @@
//
// XMLStreamParserException.cpp
//
// $Id$
//
// Library: XML
// Package: XML
// Module: XMLStreamParserException
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/XML/XMLStreamParserException.h"
#include "Poco/XML/XMLStreamParser.h"
namespace Poco {
namespace XML {
XMLStreamParserException::~XMLStreamParserException() throw ()
{
}
XMLStreamParserException::XMLStreamParserException(const std::string& n, Poco::UInt64 l, Poco::UInt64 c, const std::string& d):
_name(n),
_line(l),
_column(c),
_description(d)
{
init();
}
XMLStreamParserException::XMLStreamParserException(const XMLStreamParser& p, const std::string& d):
_name(p.inputName()),
_line(p.line()),
_column(p.column()),
_description(d)
{
init();
}
void XMLStreamParserException::init()
{
std::ostringstream os;
if (!_name.empty())
os << _name << ':';
os << _line << ':' << _column << ": error: " << _description;
_what = os.str();
}
const char* XMLStreamParserException::name() const throw()
{
return _name.c_str();
}
Poco::UInt64 XMLStreamParserException::line() const
{
return _line;
}
Poco::UInt64 XMLStreamParserException::column() const
{
return _column;
}
const std::string& XMLStreamParserException::description() const
{
return _description;
}
char const* XMLStreamParserException::what() const throw ()
{
return _what.c_str();
}
} } // namespace Poco::XML

View File

@ -10,7 +10,8 @@ objects = AttributesImplTest ChildNodesTest DOMTestSuite DocumentTest \
DocumentTypeTest Driver ElementTest EventTest NamePoolTest NameTest \
NamespaceSupportTest NodeIteratorTest NodeTest ParserWriterTest \
SAXParserTest SAXTestSuite TextTest TreeWalkerTest \
XMLTestSuite XMLWriterTest NodeAppenderTest
XMLTestSuite XMLWriterTest NodeAppenderTest \
XMLStreamParserTest
target = testrunner
target_version = 1

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@ -0,0 +1,505 @@
//
// XMLStreamParserTest.cpp
//
// $Id$
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "XMLStreamParserTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/XML/XMLStreamParser.h"
#include "Poco/Exception.h"
#include <sstream>
#include <string>
#include <vector>
#include <iostream>
using namespace Poco::XML;
XMLStreamParserTest::XMLStreamParserTest(const std::string& name):
CppUnit::TestCase(name)
{
}
XMLStreamParserTest::~XMLStreamParserTest()
{
}
void XMLStreamParserTest::testParser()
{
// Test error handling.
//
try
{
std::istringstream is("<root><nested>X</nasted></root>");
XMLStreamParser p(is, "test");
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == "X");
p.next();
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
try
{
std::istringstream is("<root/>");
is.exceptions(std::ios_base::badbit | std::ios_base::failbit);
XMLStreamParser p(is, "test");
is.setstate(std::ios_base::badbit);
p.next();
assert(false);
}
catch (const std::ios_base::failure&)
{
}
// Test the nextExpect() functionality.
//
{
std::istringstream is("<root/>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
}
try
{
std::istringstream is("<root/>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
try
{
std::istringstream is("<root/>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root1");
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
// Test nextExpect() with content setting.
//
{
std::istringstream is("<root> </root>");
XMLStreamParser p(is, "empty");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root", Content::Empty);
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
p.nextExpect(XMLStreamParser::EV_EOF);
}
// Test namespace declarations.
//
{
// Followup end element event that should be precedeeded by end
// namespace declaration.
//
std::istringstream is("<root xmlns:a='a'/>");
XMLStreamParser p(is, "test", XMLStreamParser::RECEIVE_DEFAULT | XMLStreamParser::RECEIVE_NAMESPACE_DECLS);
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
p.nextExpect(XMLStreamParser::EV_START_NAMESPACE_DECL);
p.nextExpect(XMLStreamParser::EV_END_NAMESPACE_DECL);
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
}
// Test value extraction.
//
{
std::istringstream is("<root>123</root>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
p.nextExpect(XMLStreamParser::EV_CHARACTERS);
assert(p.value<int>() == 123);
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
}
// Test attribute maps.
//
{
std::istringstream is("<root a='a' b='b' d='123' t='true'/>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
assert(p.attribute("a") == "a");
assert(p.attribute("b", "B") == "b");
assert(p.attribute("c", "C") == "C");
assert(p.attribute<int>("d") == 123);
assert(p.attribute<bool>("t") == true);
assert(p.attribute("f", false) == false);
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
}
{
std::istringstream is("<root a='a'><nested a='A'><inner/></nested></root>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
assert(p.attribute("a") == "a");
assert(p.peek() == XMLStreamParser::EV_START_ELEMENT && p.localName() == "nested");
assert(p.attribute("a") == "a");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "nested");
assert(p.attribute("a") == "A");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "inner");
assert(p.attribute("a", "") == "");
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
assert(p.attribute("a") == "A");
assert(p.peek() == XMLStreamParser::EV_END_ELEMENT);
assert(p.attribute("a") == "A"); // Still valid.
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
assert(p.attribute("a") == "a");
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
assert(p.attribute("a", "") == "");
}
try
{
std::istringstream is("<root a='a' b='b'/>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
assert(p.attribute("a") == "a");
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
try
{
std::istringstream is("<root a='abc'/>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
p.attribute<int>("a");
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
// Test peeking and getting the current event.
//
{
std::istringstream is("<root x='x'>x<nested/></root>");
XMLStreamParser p(is, "peek", XMLStreamParser::RECEIVE_DEFAULT | XMLStreamParser::RECEIVE_ATTRIBUTES_EVENT);
assert(p.event() == XMLStreamParser::EV_EOF);
assert(p.peek() == XMLStreamParser::EV_START_ELEMENT);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
assert(p.event() == XMLStreamParser::EV_START_ELEMENT);
assert(p.peek() == XMLStreamParser::EV_START_ATTRIBUTE);
assert(p.event() == XMLStreamParser::EV_START_ATTRIBUTE);
assert(p.next() == XMLStreamParser::EV_START_ATTRIBUTE);
assert(p.peek() == XMLStreamParser::EV_CHARACTERS && p.value() == "x");
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == "x");
assert(p.event() == XMLStreamParser::EV_CHARACTERS && p.value() == "x");
assert(p.peek() == XMLStreamParser::EV_END_ATTRIBUTE);
assert(p.event() == XMLStreamParser::EV_END_ATTRIBUTE);
assert(p.next() == XMLStreamParser::EV_END_ATTRIBUTE);
assert(p.peek() == XMLStreamParser::EV_CHARACTERS && p.value() == "x");
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == "x");
assert(p.event() == XMLStreamParser::EV_CHARACTERS && p.value() == "x");
assert(p.peek() == XMLStreamParser::EV_START_ELEMENT);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
assert(p.event() == XMLStreamParser::EV_START_ELEMENT);
assert(p.peek() == XMLStreamParser::EV_END_ELEMENT);
assert(p.next() == XMLStreamParser::EV_END_ELEMENT);
assert(p.event() == XMLStreamParser::EV_END_ELEMENT);
assert(p.peek() == XMLStreamParser::EV_END_ELEMENT);
assert(p.next() == XMLStreamParser::EV_END_ELEMENT);
assert(p.event() == XMLStreamParser::EV_END_ELEMENT);
assert(p.peek() == XMLStreamParser::EV_EOF);
assert(p.next() == XMLStreamParser::EV_EOF);
assert(p.event() == XMLStreamParser::EV_EOF);
}
// Test content processing.
//
// empty
//
{
std::istringstream is("<root x=' x '> \n\t </root>");
XMLStreamParser p(is, "empty", XMLStreamParser::RECEIVE_DEFAULT | XMLStreamParser::RECEIVE_ATTRIBUTES_EVENT);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.content(Content::Empty);
assert(p.next() == XMLStreamParser::EV_START_ATTRIBUTE);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == " x ");
assert(p.next() == XMLStreamParser::EV_END_ATTRIBUTE);
assert(p.next() == XMLStreamParser::EV_END_ELEMENT);
assert(p.next() == XMLStreamParser::EV_EOF);
}
try
{
std::istringstream is("<root> \n &amp; X \t </root>");
XMLStreamParser p(is, "empty");
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.content(Content::Empty);
p.next();
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
// simple
//
{
std::istringstream is("<root> X </root>");
XMLStreamParser p(is, "simple");
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.content(Content::Simple);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == " X ");
assert(p.next() == XMLStreamParser::EV_END_ELEMENT);
assert(p.next() == XMLStreamParser::EV_EOF);
}
try
{
std::istringstream is("<root> ? <nested/></root>");
XMLStreamParser p(is, "simple");
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.content(Content::Simple);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == " ? ");
p.next();
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
{
// Test content accumulation in simple content.
//
std::istringstream is("<root xmlns:a='a'>1&#x32;3</root>");
XMLStreamParser p(is, "simple", XMLStreamParser::RECEIVE_DEFAULT | XMLStreamParser::RECEIVE_NAMESPACE_DECLS);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.nextExpect(XMLStreamParser::EV_START_NAMESPACE_DECL);
p.content(Content::Simple);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == "123");
p.nextExpect(XMLStreamParser::EV_END_NAMESPACE_DECL);
assert(p.next() == XMLStreamParser::EV_END_ELEMENT);
assert(p.next() == XMLStreamParser::EV_EOF);
}
try
{
// Test error handling in accumulation in simple content.
//
std::istringstream is("<root xmlns:a='a'>1&#x32;<nested/>3</root>");
XMLStreamParser p(is, "simple", XMLStreamParser::RECEIVE_DEFAULT | XMLStreamParser::RECEIVE_NAMESPACE_DECLS);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.nextExpect(XMLStreamParser::EV_START_NAMESPACE_DECL);
p.content(Content::Simple);
p.next();
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
// complex
//
{
std::istringstream is("<root x=' x '>\n"
" <nested>\n"
" <inner/>\n"
" <inner> X </inner>\n"
" </nested>\n"
"</root>\n");
XMLStreamParser p(is, "complex", XMLStreamParser::RECEIVE_DEFAULT | XMLStreamParser::RECEIVE_ATTRIBUTES_EVENT);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT); // root
p.content(Content::Complex);
assert(p.next() == XMLStreamParser::EV_START_ATTRIBUTE);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == " x ");
assert(p.next() == XMLStreamParser::EV_END_ATTRIBUTE);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT); // nested
p.content(Content::Complex);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT); // inner
p.content(Content::Empty);
assert(p.next() == XMLStreamParser::EV_END_ELEMENT); // inner
assert(p.next() == XMLStreamParser::EV_START_ELEMENT); // inner
p.content(Content::Simple);
assert(p.next() == XMLStreamParser::EV_CHARACTERS && p.value() == " X ");
assert(p.next() == XMLStreamParser::EV_END_ELEMENT); // inner
assert(p.next() == XMLStreamParser::EV_END_ELEMENT); // nested
assert(p.next() == XMLStreamParser::EV_END_ELEMENT); // root
assert(p.next() == XMLStreamParser::EV_EOF);
}
try
{
std::istringstream is("<root> \n<n/> X <n> X </n> </root>");
XMLStreamParser p(is, "complex");
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
p.content(Content::Complex);
assert(p.next() == XMLStreamParser::EV_START_ELEMENT);
assert(p.next() == XMLStreamParser::EV_END_ELEMENT);
p.next();
assert(false);
}
catch (const Poco::Exception&)
{
// cerr << e.what () << endl;
}
// Test element with simple content helpers.
//
{
std::istringstream is("<root>"
" <nested>X</nested>"
" <nested/>"
" <nested>123</nested>"
" <nested>Y</nested>"
" <t:nested xmlns:t='test'>Z</t:nested>"
" <nested>234</nested>"
" <t:nested xmlns:t='test'>345</t:nested>"
" <nested>A</nested>"
" <t:nested xmlns:t='test'>B</t:nested>"
" <nested1>A</nested1>"
" <t:nested1 xmlns:t='test'>B</t:nested1>"
" <nested>1</nested>"
" <t:nested xmlns:t='test'>2</t:nested>"
" <nested1>1</nested1>"
" <t:nested1 xmlns:t='test'>2</t:nested1>"
"</root>");
XMLStreamParser p(is, "element");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root", Content::Complex);
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "nested");
assert(p.element() == "X");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "nested");
assert(p.element() == "");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "nested");
assert(p.element<unsigned int>() == 123);
assert(p.element("nested") == "Y");
assert(p.element(QName("test", "nested")) == "Z");
assert(p.element<unsigned int>("nested") == 234);
assert(p.element<unsigned int>(QName("test", "nested")) == 345);
assert(p.element("nested", "a") == "A");
assert(p.element(QName("test", "nested"), "b") == "B");
assert(p.element("nested", "a") == "a" && p.element("nested1") == "A");
assert(p.element(QName("test", "nested"), "b") == "b" && p.element(QName("test", "nested1")) == "B");
assert(p.element<unsigned int>("nested", 10) == 1);
assert(p.element<unsigned int>(QName("test", "nested"), 20) == 2);
assert(p.element<unsigned int>("nested", 10) == 10 && p.element<unsigned int>("nested1") == 1);
assert(p.element<unsigned int>(QName("test", "nested"), 20) == 20 && p.element<unsigned int>(QName("test", "nested1")) == 2);
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
}
// Test the iterator interface.
//
{
std::istringstream is("<root><nested>X</nested></root>");
XMLStreamParser p(is, "iterator");
std::vector<XMLStreamParser::EventType> v;
for (XMLStreamParser::Iterator i(p.begin()); i != p.end(); ++i)
v.push_back(*i);
//for (XMLStreamParser::EventType e: p)
// v.push_back (e);
assert(v.size() == 5);
assert(v[0] == XMLStreamParser::EV_START_ELEMENT);
assert(v[1] == XMLStreamParser::EV_START_ELEMENT);
assert(v[2] == XMLStreamParser::EV_CHARACTERS);
assert(v[3] == XMLStreamParser::EV_END_ELEMENT);
assert(v[4] == XMLStreamParser::EV_END_ELEMENT);
}
// Test space extraction into the std::string value.
//
{
std::istringstream is("<root a=' a '> b </root>");
XMLStreamParser p(is, "test");
p.nextExpect(XMLStreamParser::EV_START_ELEMENT, "root");
assert(p.attribute<std::string>("a") == " a ");
p.nextExpect(XMLStreamParser::EV_CHARACTERS);
assert(p.value<std::string>() == " b ");
p.nextExpect(XMLStreamParser::EV_END_ELEMENT);
}
}
void XMLStreamParserTest::setUp()
{
}
void XMLStreamParserTest::tearDown()
{
}
CppUnit::Test* XMLStreamParserTest::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("XMLStreamParserTest");
CppUnit_addTest(pSuite, XMLStreamParserTest, testParser);
return pSuite;
}

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//
// XMLStreamParserTest.h
//
// $Id$
//
// Definition of the XMLStreamParserTest class.
//
// Copyright (c) 2015, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef XMLStreamParserTest_INCLUDED
#define XMLStreamParserTest_INCLUDED
#include "Poco/XML/XML.h"
#include "CppUnit/TestCase.h"
class XMLStreamParserTest: public CppUnit::TestCase
{
public:
XMLStreamParserTest(const std::string& name);
~XMLStreamParserTest();
void testParser();
void setUp();
void tearDown();
static CppUnit::Test* suite();
private:
};
#endif // XMLStreamParserTest_INCLUDED

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@ -14,7 +14,7 @@
#include "XMLWriterTest.h"
#include "SAXTestSuite.h"
#include "DOMTestSuite.h"
#include "XMLStreamParserTest.h"
CppUnit::Test* XMLTestSuite::suite()
{
@ -25,6 +25,7 @@ CppUnit::Test* XMLTestSuite::suite()
pSuite->addTest(XMLWriterTest::suite());
pSuite->addTest(SAXTestSuite::suite());
pSuite->addTest(DOMTestSuite::suite());
pSuite->addTest(XMLStreamParserTest::suite());
return pSuite;
}