mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 02:12:21 +00:00
118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
//
|
|
// DOMParser.h
|
|
//
|
|
// Library: XML
|
|
// Package: DOM
|
|
// Module: DOMParser
|
|
//
|
|
// Definition of the DOMParser class.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef DOM_DOMParser_INCLUDED
|
|
#define DOM_DOMParser_INCLUDED
|
|
|
|
|
|
#include "Poco/SAX/SAXParser.h"
|
|
#include "Poco/XML/XML.h"
|
|
|
|
|
|
namespace Poco
|
|
{
|
|
namespace XML
|
|
{
|
|
|
|
|
|
class NamePool;
|
|
class Document;
|
|
class InputSource;
|
|
class EntityResolver;
|
|
|
|
|
|
class XML_API DOMParser
|
|
/// This is a convenience class that combines a
|
|
/// DOMBuilder with a SAXParser, with the optional
|
|
/// support of a WhitespaceFilter.
|
|
{
|
|
public:
|
|
explicit DOMParser(NamePool * pNamePool = 0);
|
|
/// Creates a new DOMParser.
|
|
/// If a NamePool is given, it becomes the Document's NamePool.
|
|
|
|
explicit DOMParser(unsigned long namePoolSize);
|
|
/// Creates a new DOMParser, using the given NamePool size.
|
|
///
|
|
/// The given namePoolSize should be a suitable prime number,
|
|
/// e.g. 251, 509, 1021 or 4093, depending on the expected
|
|
/// size of the document.
|
|
|
|
~DOMParser();
|
|
/// Destroys the DOMParser.
|
|
|
|
void setEncoding(const XMLString & encoding);
|
|
/// Sets the encoding used by the parser if no
|
|
/// encoding is specified in the XML document.
|
|
|
|
const XMLString & getEncoding() const;
|
|
/// Returns the name of the encoding used by
|
|
/// the parser if no encoding is specified in
|
|
/// the XML document.
|
|
|
|
void addEncoding(const XMLString & name, Poco::TextEncoding * pEncoding);
|
|
/// Adds an encoding to the parser.
|
|
|
|
void setFeature(const XMLString & name, bool state);
|
|
/// Set the state of a feature.
|
|
///
|
|
/// If a feature is not recognized by the DOMParser, it is
|
|
/// passed on to the underlying XMLReader.
|
|
///
|
|
/// The only currently supported feature is
|
|
/// http://www.appinf.com/features/no-whitespace-in-element-content
|
|
/// which, when activated, causes the WhitespaceFilter to
|
|
/// be used.
|
|
|
|
bool getFeature(const XMLString & name) const;
|
|
/// Look up the value of a feature.
|
|
///
|
|
/// If a feature is not recognized by the DOMParser, the
|
|
/// DOMParser queries the underlying SAXParser for the feature.
|
|
|
|
Document * parse(const XMLString & uri);
|
|
/// Parse an XML document from a location identified by an URI.
|
|
|
|
Document * parse(InputSource * pInputSource);
|
|
/// Parse an XML document from a location identified by an InputSource.
|
|
|
|
Document * parseString(const std::string & xml);
|
|
/// Parse an XML document from a string.
|
|
|
|
Document * parseMemory(const char * xml, std::size_t size);
|
|
/// Parse an XML document from memory.
|
|
|
|
EntityResolver * getEntityResolver() const;
|
|
/// Returns the entity resolver used by the underlying SAXParser.
|
|
|
|
void setEntityResolver(EntityResolver * pEntityResolver);
|
|
/// Sets the entity resolver on the underlying SAXParser.
|
|
|
|
static const XMLString FEATURE_FILTER_WHITESPACE;
|
|
|
|
private:
|
|
SAXParser _saxParser;
|
|
NamePool * _pNamePool;
|
|
bool _filterWhitespace;
|
|
};
|
|
|
|
|
|
}
|
|
} // namespace Poco::XML
|
|
|
|
|
|
#endif // DOM_DOMParser_INCLUDED
|