XMLHandler Class Reference

Base class for XML handlers. More...

#include <OpenMS/FORMAT/HANDLERS/XMLHandler.h>

Inheritance diagram for XMLHandler:

Classes
class	EndParsingSoftly
	Exception that is thrown if the parsing is ended by some event (e.g. if only a prefix of the XML file is needed). More...

Public Types
enum	ActionMode { LOAD, STORE }
	Action to set the current mode (for error messages) More...
enum	LOADDETAIL { LD_ALLDATA, LD_RAWCOUNTS, LD_COUNTS_WITHOPTIONS }

Public Member Functions
	XMLHandler (const String &filename, const String &version)
	Default constructor. More...
	~XMLHandler () override
	Destructor. More...
void	reset ()
	Release internal memory used for parsing (call. More...

Protected Member Functions
General MetaInfo handling (for idXML, featureXML, consensusXML)
void	writeUserParam_ (const String &tag_name, std::ostream &os, const MetaInfoInterface &meta, UInt indent) const
	Writes the content of MetaInfoInterface to the file. More...
String conversion
Int	asInt_ (const String &in)
	Conversion of a String to an integer value. More...
Int	asInt_ (const XMLCh *in)
	Conversion of a Xerces string to an integer value. More...
UInt	asUInt_ (const String &in)
	Conversion of a String to an unsigned integer value. More...
double	asDouble_ (const String &in)
	Conversion of a String to a double value. More...
float	asFloat_ (const String &in)
	Conversion of a String to a float value. More...
bool	asBool_ (const String &in)
	Conversion of a string to a boolean value. More...
DateTime	asDateTime_ (String date_string)
	Conversion of a xs:datetime string to a DateTime value. More...

Reimplemented XERCES-C error handlers
These methods forward the error message to our own error handlers below.
String	error_message_
	Error message of the last error. More...
String	file_
	File name. More...
String	version_
	Schema version. More...
StringManager	sm_
	Helper class for string conversion. More...
std::vector< String >	open_tags_
	Stack of open XML tags. More...
LOADDETAIL	load_detail_
	parse only until total number of scans and chroms have been determined from attributes More...
void	fatalError (const xercesc::SAXParseException &exception) override
void	error (const xercesc::SAXParseException &exception) override
void	warning (const xercesc::SAXParseException &exception) override
void	fatalError (ActionMode mode, const String &msg, UInt line=0, UInt column=0) const
	Fatal error handler. Throws a ParseError exception. More...
void	error (ActionMode mode, const String &msg, UInt line=0, UInt column=0) const
	Error handler for recoverable errors. More...
void	warning (ActionMode mode, const String &msg, UInt line=0, UInt column=0) const
	Warning handler. More...
void	characters (const XMLCh *const chars, const XMLSize_t length) override
	Parsing method for character data. More...
void	startElement (const XMLCh *const uri, const XMLCh *const localname, const XMLCh *const qname, const xercesc::Attributes &attrs) override
	Parsing method for opening tags. More...
void	endElement (const XMLCh *const uri, const XMLCh *const localname, const XMLCh *const qname) override
	Parsing method for closing tags. More...
virtual void	writeTo (std::ostream &)
	Writes the contents to a stream. More...
String	errorString ()
	Returns the last error description. More...
virtual LOADDETAIL	getLoadDetail () const
	handler which support partial loading, implement this method More...
virtual void	setLoadDetail (const LOADDETAIL d)
	handler which support partial loading, implement this method More...
void	checkUniqueIdentifiers_ (const std::vector< ProteinIdentification > &prot_ids)
static String	writeXMLEscape (const String &to_escape)
	Escapes a string and returns the escaped string. More...
bool	equal_ (const XMLCh *a, const XMLCh *b) const
	Returns if two Xerces strings are equal. More...

controlled vocabulary handling methods
std::vector< std::vector< String > >	cv_terms_
	Array of CV term lists (one sublist denotes one term and it's children) More...
SignedSize	cvStringToEnum_ (const Size section, const String &term, const char *message, const SignedSize result_on_error=0)

Accessing attributes
String	attributeAsString_ (const xercesc::Attributes &a, const char *name) const
	Converts an attribute to a String. More...
Int	attributeAsInt_ (const xercesc::Attributes &a, const char *name) const
	Converts an attribute to a Int. More...
double	attributeAsDouble_ (const xercesc::Attributes &a, const char *name) const
	Converts an attribute to a double. More...
DoubleList	attributeAsDoubleList_ (const xercesc::Attributes &a, const char *name) const
	Converts an attribute to a DoubleList. More...
IntList	attributeAsIntList_ (const xercesc::Attributes &a, const char *name) const
	Converts an attribute to an IntList. More...
StringList	attributeAsStringList_ (const xercesc::Attributes &a, const char *name) const
	Converts an attribute to an StringList. More...
bool	optionalAttributeAsString_ (String &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the String value if the attribute is present. More...
bool	optionalAttributeAsInt_ (Int &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the Int value if the attribute is present. More...
bool	optionalAttributeAsUInt_ (UInt &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the UInt value if the attribute is present. More...
bool	optionalAttributeAsDouble_ (double &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the double value if the attribute is present. More...
bool	optionalAttributeAsDoubleList_ (DoubleList &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the DoubleList value if the attribute is present. More...
bool	optionalAttributeAsStringList_ (StringList &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the StringList value if the attribute is present. More...
bool	optionalAttributeAsIntList_ (IntList &value, const xercesc::Attributes &a, const char *name) const
	Assigns the attribute content to the IntList value if the attribute is present. More...
String	attributeAsString_ (const xercesc::Attributes &a, const XMLCh *name) const
	Converts an attribute to a String. More...
Int	attributeAsInt_ (const xercesc::Attributes &a, const XMLCh *name) const
	Converts an attribute to a Int. More...
double	attributeAsDouble_ (const xercesc::Attributes &a, const XMLCh *name) const
	Converts an attribute to a double. More...
DoubleList	attributeAsDoubleList_ (const xercesc::Attributes &a, const XMLCh *name) const
	Converts an attribute to a DoubleList. More...
IntList	attributeAsIntList_ (const xercesc::Attributes &a, const XMLCh *name) const
	Converts an attribute to a IntList. More...
StringList	attributeAsStringList_ (const xercesc::Attributes &a, const XMLCh *name) const
	Converts an attribute to a StringList. More...
bool	optionalAttributeAsString_ (String &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the String value if the attribute is present. More...
bool	optionalAttributeAsInt_ (Int &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the Int value if the attribute is present. More...
bool	optionalAttributeAsUInt_ (UInt &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the UInt value if the attribute is present. More...
bool	optionalAttributeAsDouble_ (double &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the double value if the attribute is present. More...
bool	optionalAttributeAsDoubleList_ (DoubleList &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the DoubleList value if the attribute is present. More...
bool	optionalAttributeAsIntList_ (IntList &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the IntList value if the attribute is present. More...
bool	optionalAttributeAsStringList_ (StringList &value, const xercesc::Attributes &a, const XMLCh *name) const
	Assigns the attribute content to the StringList value if the attribute is present. More...
	XMLHandler ()
	Not implemented. More...
const String &	expectList_ (const String &str) const

Detailed Description

Base class for XML handlers.

Member Enumeration Documentation

ActionMode

enum ActionMode

Action to set the current mode (for error messages)

Enumerator
LOAD	Loading a file.
STORE	Storing a file.

LOADDETAIL

enum LOADDETAIL

Enumerator
LD_ALLDATA
LD_RAWCOUNTS
LD_COUNTS_WITHOPTIONS

Constructor & Destructor Documentation

XMLHandler() [1/2]

XMLHandler	(	const String &	filename,
		const String &	version
	)

Default constructor.

~XMLHandler()

~XMLHandler ( )

override

Destructor.

XMLHandler() [2/2]

XMLHandler ( )

private

Not implemented.

Member Function Documentation

asBool_()

bool asBool_ ( const String &  in )

inlineprotected

Conversion of a string to a boolean value.

'true', 'false', '1' and '0' are accepted.

For all other values a parse error is produced.

asDateTime_()

DateTime asDateTime_ ( String  date_string )

inlineprotected

Conversion of a xs:datetime string to a DateTime value.

References DateTime::set(), String::substr(), and String::trim().

asDouble_()

double asDouble_ ( const String &  in )

inlineprotected

Conversion of a String to a double value.

References String::toDouble().

asFloat_()

float asFloat_ ( const String &  in )

inlineprotected

Conversion of a String to a float value.

References String::toFloat().

asInt_() [1/2]

Int asInt_ ( const String &  in )

inlineprotected

Conversion of a String to an integer value.

References String::toInt().

asInt_() [2/2]

Int asInt_ ( const XMLCh *  in )

inlineprotected

Conversion of a Xerces string to an integer value.

asUInt_()

UInt asUInt_ ( const String &  in )

inlineprotected

Conversion of a String to an unsigned integer value.

References String::toInt().

attributeAsDouble_() [1/2]

double attributeAsDouble_ ( const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Converts an attribute to a double.

References StringManager::convert().

attributeAsDouble_() [2/2]

double attributeAsDouble_ ( const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Converts an attribute to a double.

References StringManager::convert().

attributeAsDoubleList_() [1/2]

DoubleList attributeAsDoubleList_ ( const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Converts an attribute to a DoubleList.

References String::substr().

attributeAsDoubleList_() [2/2]

DoubleList attributeAsDoubleList_ ( const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Converts an attribute to a DoubleList.

References String::substr().

attributeAsInt_() [1/2]

Int attributeAsInt_ ( const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Converts an attribute to a Int.

References StringManager::convert().

attributeAsInt_() [2/2]

Int attributeAsInt_ ( const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Converts an attribute to a Int.

References StringManager::convert().

attributeAsIntList_() [1/2]

IntList attributeAsIntList_ ( const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Converts an attribute to an IntList.

References String::substr().

attributeAsIntList_() [2/2]

IntList attributeAsIntList_ ( const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Converts an attribute to a IntList.

References String::substr().

attributeAsString_() [1/2]

String attributeAsString_ ( const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Converts an attribute to a String.

References StringManager::convert().

attributeAsString_() [2/2]

String attributeAsString_ ( const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Converts an attribute to a String.

References StringManager::convert().

attributeAsStringList_() [1/2]

StringList attributeAsStringList_ ( const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Converts an attribute to an StringList.

References String::substr().

attributeAsStringList_() [2/2]

StringList attributeAsStringList_ ( const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Converts an attribute to a StringList.

References String::substr().

characters()

void characters ( const XMLCh *const  chars, const XMLSize_t  length  )

override

Parsing method for character data.

checkUniqueIdentifiers_()

void checkUniqueIdentifiers_

(

const std::vector< ProteinIdentification > &

prot_ids

)

throws a ParseError if protIDs are not unique, i.e. PeptideIDs will be randomly assigned (bad!) Should be called before writing any ProtIDs to file

cvStringToEnum_()

SignedSize cvStringToEnum_ ( const Size  section, const String &  term, const char *  message, const SignedSize  result_on_error = 0  )

inlineprotected

Converts term to the index of the term in the cv_terms_ entry section If the term is not found, result_on_error is returned (0 by default)

References seqan::find(), and OPENMS_PRECONDITION.

endElement()

void endElement ( const XMLCh *const  uri, const XMLCh *const  localname, const XMLCh *const  qname  )

override

Parsing method for closing tags.

equal_()

bool equal_ ( const XMLCh *  a, const XMLCh *  b  ) const

inlineprotected

Returns if two Xerces strings are equal.

error() [1/2]

void error	(	ActionMode	mode,
		const String &	msg,
		UInt	line = 0,
		UInt	column = 0
	)		const

Error handler for recoverable errors.

error() [2/2]

void error ( const xercesc::SAXParseException &  exception )

override

errorString()

String errorString

(

)

Returns the last error description.

expectList_()

const String& expectList_ ( const String &  str ) const

inlineprivate

References String::hasPrefix(), and String::hasSuffix().

fatalError() [1/2]

void fatalError	(	ActionMode	mode,
		const String &	msg,
		UInt	line = 0,
		UInt	column = 0
	)		const

Fatal error handler. Throws a ParseError exception.

fatalError() [2/2]

void fatalError ( const xercesc::SAXParseException &  exception )

override

getLoadDetail()

virtual LOADDETAIL getLoadDetail ( ) const

virtual

handler which support partial loading, implement this method

Reimplemented in MzMLHandler, and MzXMLHandler.

optionalAttributeAsDouble_() [1/2]

bool optionalAttributeAsDouble_ ( double &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the double value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsDouble_() [2/2]

bool optionalAttributeAsDouble_ ( double &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the double value if the attribute is present.

References StringManager::convert().

optionalAttributeAsDoubleList_() [1/2]

bool optionalAttributeAsDoubleList_ ( DoubleList &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the DoubleList value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsDoubleList_() [2/2]

bool optionalAttributeAsDoubleList_ ( DoubleList &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the DoubleList value if the attribute is present.

Returns

if the attribute was present

optionalAttributeAsInt_() [1/2]

bool optionalAttributeAsInt_ ( Int &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the Int value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsInt_() [2/2]

bool optionalAttributeAsInt_ ( Int &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the Int value if the attribute is present.

optionalAttributeAsIntList_() [1/2]

bool optionalAttributeAsIntList_ ( IntList &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the IntList value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsIntList_() [2/2]

bool optionalAttributeAsIntList_ ( IntList &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the IntList value if the attribute is present.

Returns

if the attribute was present

optionalAttributeAsString_() [1/2]

bool optionalAttributeAsString_ ( String &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the String value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsString_() [2/2]

bool optionalAttributeAsString_ ( String &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the String value if the attribute is present.

References StringManager::convert().

optionalAttributeAsStringList_() [1/2]

bool optionalAttributeAsStringList_ ( StringList &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the StringList value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsStringList_() [2/2]

bool optionalAttributeAsStringList_ ( StringList &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the StringList value if the attribute is present.

Returns

if the attribute was present

optionalAttributeAsUInt_() [1/2]

bool optionalAttributeAsUInt_ ( UInt &  value, const xercesc::Attributes &  a, const char *  name  ) const

inlineprotected

Assigns the attribute content to the UInt value if the attribute is present.

Returns

if the attribute was present

References StringManager::convert().

optionalAttributeAsUInt_() [2/2]

bool optionalAttributeAsUInt_ ( UInt &  value, const xercesc::Attributes &  a, const XMLCh *  name  ) const

inlineprotected

Assigns the attribute content to the UInt value if the attribute is present.

reset()

void reset

(

)

Release internal memory used for parsing (call.

setLoadDetail()

virtual void setLoadDetail ( const LOADDETAIL  d )

virtual

handler which support partial loading, implement this method

Reimplemented in MzMLHandler, and MzXMLHandler.

startElement()

void startElement ( const XMLCh *const  uri, const XMLCh *const  localname, const XMLCh *const  qname, const xercesc::Attributes &  attrs  )

override

Parsing method for opening tags.

warning() [1/2]

void warning	(	ActionMode	mode,
		const String &	msg,
		UInt	line = 0,
		UInt	column = 0
	)		const

Warning handler.

warning() [2/2]

void warning ( const xercesc::SAXParseException &  exception )

override

writeTo()

virtual void writeTo ( std::ostream &  )

virtual

Writes the contents to a stream.

Reimplemented in MzMLHandler, MzIdentMLHandler, XQuestResultXMLHandler, MzXMLHandler, MzDataHandler, TraMLHandler, MzQuantMLHandler, ToolDescriptionHandler, and PTMXMLHandler.

writeUserParam_()

void writeUserParam_ ( const String &  tag_name, std::ostream &  os, const MetaInfoInterface &  meta, UInt  indent  ) const

protected

Writes the content of MetaInfoInterface to the file.

writeXMLEscape()

static String writeXMLEscape ( const String &  to_escape )

inlinestatic

Escapes a string and returns the escaped string.

Some characters must be escaped which are allowed in user params. E.g. > and & are not in XML and need to be escaped. Parsing those escaped strings from file again is automatically done by Xerces. Escaped characters are: & < > " '

References String::has(), and String::substitute().

Member Data Documentation

cv_terms_

std::vector<std::vector<String> > cv_terms_

protected

Array of CV term lists (one sublist denotes one term and it's children)

error_message_

String error_message_

mutableprotected

Error message of the last error.

file_

String file_

protected

File name.

load_detail_

LOADDETAIL load_detail_

protected

parse only until total number of scans and chroms have been determined from attributes

open_tags_

std::vector<String> open_tags_

protected

Stack of open XML tags.

This member is used only in those XML parsers that need this information.

sm_

StringManager sm_

protected

Helper class for string conversion.

version_

String version_

protected

Schema version.