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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/event__parser_8cpp_source.html below:

NCBI C++ ToolKit: src/misc/xmlwrapp/event_parser.cpp Source File

47 # pragma warning(disable : 4786) 58 #include <libxml/parser.h> 59 #include <libxml/xmlversion.h> 77 #if LIBXML_VERSION >= 20600 78 # define initxmlDefaultSAXHandler xmlSAX2InitDefaultSAXHandler 79 # include <libxml/SAX2.h> 107  void event_pi

(

const

xmlChar *target,

const

xmlChar *

data

);

111  const

xmlChar *public_id,

112  const

xmlChar *system_id);

115  const

xmlChar * publicId,

116  const

xmlChar * systemId,

119  const

xmlChar *public_id,

120  const

xmlChar *system_id,

121  const

xmlChar *notation_name);

123  const

xmlChar *external_id,

124  const

xmlChar *system_id);

126  const

xmlChar *external_id,

127  const

xmlChar *system_id);

129  const

xmlChar *attribute_name,

132  const

xmlChar *default_value,

133

xmlEnumeration *default_values);

136

xmlElementContent *content);

152

{

static_cast<epimpl

*

>

(parser)->event_start_document(); }

155

{

static_cast<epimpl

*

>

(parser)->event_end_document(); }

158

{

static_cast<epimpl

*

>

(parser)->event_start_element(

tag

, props); }

161

{

static_cast<epimpl

*

>

(parser)->event_end_element(

tag

); }

163  static void cb_text

(

void

*parser,

const

xmlChar *

text

,

int

length)

164

{

static_cast<epimpl

*

>

(parser)->event_text(

text

, length); }

166  static void cb_pi

(

void

*parser,

const

xmlChar *target,

const

xmlChar *

data

)

167

{

static_cast<epimpl

*

>

(parser)->event_pi(target,

data

); }

170

{

static_cast<epimpl

*

>

(parser)->event_comment(

text

); }

172  static void cb_cdata

(

void

*parser,

const

xmlChar *

text

,

int

length)

173

{

static_cast<epimpl

*

>

(parser)->event_cdata(

text

, length); }

176  const

xmlChar *public_id,

177  const

xmlChar *system_id)

178

{

static_cast<epimpl

*

>

(parser)->event_notation_declaration(name,

183  int type

,

const

xmlChar *public_id,

184  const

xmlChar *system_id,

186

{

static_cast<epimpl

*

>

(parser)->event_entity_declaration(name,

194  const

xmlChar *public_id,

195  const

xmlChar *system_id,

196  const

xmlChar *notation_name)

197

{

static_cast<epimpl

*

>

(parser)->event_unparsed_entity_declaration(name,

204  const

xmlChar *external_id,

205  const

xmlChar *system_id)

206

{

static_cast<epimpl

*

>

(parser)->event_external_subset_declaration(name,

212  const

xmlChar *external_id,

213  const

xmlChar *system_id)

214

{

static_cast<epimpl

*

>

(parser)->event_internal_subset_declaration(name,

219  const

xmlChar *element_name,

220  const

xmlChar *attribute_name,

223  const

xmlChar *default_value,

224

xmlEnumeration *default_values)

225

{

static_cast<epimpl

*

>

(parser)->event_attribute_declaration(element_name,

233  const

xmlChar *element_name,

235

xmlElementContent *content)

236

{

static_cast<epimpl

*

>

(parser)->event_element_declaration(element_name,

241

{

static_cast<epimpl

*

>

(parser)->event_entity_reference(name); }

243  static void cb_warning

(

void

*parser,

const char

*message, ...) {

247

va_start(ap, message);

251  static_cast<epimpl

*

>

(parser)->event_warning(complete_message);

254  static void cb_error

(

void

*parser,

const char

*message, ...) {

258

va_start(ap, message);

262  static_cast<epimpl

*

>

(parser)->event_error(complete_message);

269

va_start(ap, message);

273  static_cast<epimpl

*

>

(parser)->event_fatal_error(complete_message);

294

other.pimpl_ =

NULL

;

299  if

(

this

!= &other) {

303

other.pimpl_ =

NULL

;

318

std::ifstream

file

(filename);

325  if

(filename !=

NULL

)

342

std::unique_ptr<error_messages> msgs;

358  if

(stream && (stream.eof() ||

359

stream.peek() == std::istream::traits_type::eof()))

375

(

size_t

)stream.gcount(),

378  if

(!stream && !stream.eof())

390

std::unique_ptr<error_messages> msgs;

412  "an error occured or the user " 413  "stopped the parser"

);

418  "after the parser has finished"

);

424  "chunk is too large to parse"

), 0);

438

std::unique_ptr<error_messages> msgs;

445  bool

ret_val =

true

;

488  return text

(contents);

535

_xmlElementContent *content) {

553  case

XML_INTERNAL_GENERAL_ENTITY:

return

type_internal_general_entity;

554  case

XML_EXTERNAL_GENERAL_PARSED_ENTITY:

return

type_external_general_parsed_entity;

555  case

XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:

return

type_external_general_unparsed_entity;

556  case

XML_INTERNAL_PARAMETER_ENTITY:

return

type_internal_parameter_entity;

557  case

XML_EXTERNAL_PARAMETER_ENTITY:

return

type_external_parameter_entity;

558  case

XML_INTERNAL_PREDEFINED_ENTITY:

return

type_internal_predefined_entity;

566  case

XML_ATTRIBUTE_CDATA:

return

type_attribute_cdata;

567  case

XML_ATTRIBUTE_ID:

return

type_attribute_id;

568  case

XML_ATTRIBUTE_IDREF:

return

type_attribute_idref;

569  case

XML_ATTRIBUTE_IDREFS:

return

type_attribute_idrefs;

570  case

XML_ATTRIBUTE_ENTITY:

return

type_attribute_entity;

571  case

XML_ATTRIBUTE_ENTITIES:

return

type_attribute_entities;

572  case

XML_ATTRIBUTE_NMTOKEN:

return

type_attribute_nmtoken;

573  case

XML_ATTRIBUTE_NMTOKENS:

return

type_attribute_nmtokens;

574  case

XML_ATTRIBUTE_ENUMERATION:

return

type_attribute_enumeration;

575  case

XML_ATTRIBUTE_NOTATION:

return

type_attribute_notation;

583  case

XML_ATTRIBUTE_NONE:

return

type_attribute_none;

584  case

XML_ATTRIBUTE_REQUIRED:

return

type_attribute_required;

585  case

XML_ATTRIBUTE_IMPLIED:

return

type_attribute_implied;

586  case

XML_ATTRIBUTE_FIXED:

return

type_attribute_fixed;

595  case

XML_ELEMENT_TYPE_EMPTY:

return

type_empty;

596  case

XML_ELEMENT_TYPE_ANY:

return

type_any;

597  case

XML_ELEMENT_TYPE_MIXED:

return

type_mixed;

598  case

XML_ELEMENT_TYPE_ELEMENT:

return

type_element;

605

: parser_context_(

NULL

),

606

parser_status_(

true

),

685  throw

std::bad_alloc();

704  const

xmlChar **attrp;

706  for

(attrp = props; attrp && *attrp; attrp += 2) {

707

attrs[

reinterpret_cast<const char

*

>

(*attrp)] =

reinterpret_cast<const char

*

>

(*(attrp+1));

712

}

catch

(

const

std::exception &ex) {

728

}

catch

(

const

std::exception &ex) {

742  std::string

contents(

reinterpret_cast<const char

*

>

(

text

),

static_cast<

std::string::size_type

>

(length));

744

}

catch

(

const

std::exception &ex) {

759

}

catch

(

const

std::exception &ex) {

774

}

catch

(

const

std::exception &ex) {

788  std::string

s_target =

reinterpret_cast<const char

*

>

(target);

791

}

catch

(

const

std::exception &ex) {

807

}

catch

(

const

std::exception &ex) {

821  std::string

contents(

reinterpret_cast<const char

*

>

(

text

),

static_cast<

std::string::size_type

>

(length));

823

}

catch

(

const

std::exception &ex) {

834  const

xmlChar *public_id,

835  const

xmlChar *system_id) {

839  std::string

notation_name( name ?

reinterpret_cast<const char

*

>

(name) :

""

);

840  std::string

notation_public_id( public_id ?

reinterpret_cast<const char

*

>

(public_id) :

""

);

841  std::string

notation_system_id( system_id ?

reinterpret_cast<const char

*

>

(system_id) :

""

);

845

}

catch

(

const

std::exception &ex) {

857  const

xmlChar *public_id,

858  const

xmlChar *system_id,

864  std::string

entity_public_id( public_id ?

reinterpret_cast<const char

*

>

(public_id) :

""

);

865  std::string

entity_system_id( system_id ?

reinterpret_cast<const char

*

>

(system_id) :

""

);

866  std::string

entity_content( content ?

reinterpret_cast<const char

*

>

(content) :

""

);

868

entity_public_id, entity_system_id,

870

}

catch

(

const

std::exception &ex) {

881  const

xmlChar *public_id,

882  const

xmlChar *system_id,

883  const

xmlChar *notation_name) {

888  std::string

entity_public_id( public_id ?

reinterpret_cast<const char

*

>

(public_id) :

""

);

889  std::string

entity_system_id( system_id ?

reinterpret_cast<const char

*

>

(system_id) :

""

);

890  std::string

entity_notation_name( notation_name ?

reinterpret_cast<const char

*

>

(notation_name) :

""

);

892

entity_public_id, entity_system_id,

893

entity_notation_name);

894

}

catch

(

const

std::exception &ex) {

905  const

xmlChar *external_id,

906  const

xmlChar *system_id) {

910  std::string

root_element_name( name ?

reinterpret_cast<const char

*

>

(name) :

""

);

911  std::string

ext_id( external_id ?

reinterpret_cast<const char

*

>

(external_id) :

""

);

912  std::string

sys_id( system_id ?

reinterpret_cast<const char

*

>

(system_id) :

""

);

916

}

catch

(

const

std::exception &ex) {

927  const

xmlChar *external_id,

928  const

xmlChar *system_id) {

932  std::string

root_element_name( name ?

reinterpret_cast<const char

*

>

(name) :

""

);

933  std::string

ext_id( external_id ?

reinterpret_cast<const char

*

>

(external_id) :

""

);

934  std::string

sys_id( system_id ?

reinterpret_cast<const char

*

>

(system_id) :

""

);

938

}

catch

(

const

std::exception &ex) {

949  const

xmlChar *attribute_name,

952  const

xmlChar *default_value,

953

xmlEnumeration *default_values) {

957  std::string

element( element_name ?

reinterpret_cast<const char

*

>

(element_name) :

""

);

958  std::string

attr_name( attribute_name ?

reinterpret_cast<const char

*

>

(attribute_name) :

""

);

959  std::string

default_val( default_value ?

reinterpret_cast<const char

*

>

(default_value) :

""

);

962  while

(default_values) {

963  if

(default_values->name)

964

def_vals.push_back(

std::string

(

reinterpret_cast<const char

*

>

(default_values->name)));

965

default_values = default_values->next;

972

}

catch

(

const

std::exception &ex) {

984

xmlElementContent *content) {

988  std::string

element( element_name ?

reinterpret_cast<const char

*

>

(element_name) :

""

);

993

}

catch

(

const

std::exception &ex) {

1007  std::string

reference_name( name ?

reinterpret_cast<const char

*

>

(name) :

""

);

1010

}

catch

(

const

std::exception &ex) {

1023  #if LIBXML_VERSION >= 21200 1024  const

xmlError * last_err = xmlGetLastError();

1027

line = last_err->line;

1029  long

line = xmlLastError.line;

1035  #if LIBXML_VERSION >= 21200 1037  if

(last_err->file !=

NULL

) {

1038

filename = last_err->file;

1042  if

(xmlLastError.file !=

NULL

)

1043

filename = xmlLastError.file;

1049  #if LIBXML_VERSION >= 21200 1050

xmlResetLastError();

1055

}

catch

(

const

std::exception &ex) {

1068  #if LIBXML_VERSION >= 21200 1069  const

xmlError * last_err = xmlGetLastError();

1072

line = last_err->line;

1074  long

line = xmlLastError.line;

1080  #if LIBXML_VERSION >= 21200 1082  if

(last_err->file !=

NULL

) {

1083

filename = last_err->file;

1087  if

(xmlLastError.file !=

NULL

)

1088

filename = xmlLastError.file;

1095  #if LIBXML_VERSION >= 21200 1096

xmlResetLastError();

1101

}

catch

(

const

std::exception &ex) {

1115  #if LIBXML_VERSION >= 21200 1116  const

xmlError * last_err = xmlGetLastError();

1119

line = last_err->line;

1121  long

line = xmlLastError.line;

1127  #if LIBXML_VERSION >= 21200 1129  if

(last_err->file !=

NULL

) {

1130

filename = last_err->file;

1134  if

(xmlLastError.file !=

NULL

)

1135

filename = xmlLastError.file;

1142  #if LIBXML_VERSION >= 21200 1143

xmlResetLastError();

ncbi::TMaskedQueryRegions mask

The xml::error_message class is used to store a single error message which may appear while parsing o...

@ type_fatal_error

fatal error

The xml::error_messages class is used to store all the error message which are collected while parsin...

bool has_fatal_errors(void) const

Check if there are fatal errors in the error messages.

const error_messages_type & get_messages(void) const

Get the error messages.

bool has_warnings(void) const

Check if there are warnings in the error messages.

bool has_errors(void) const

Check if there are errors in the error messages.

The xml::event_parser is used to parse an XML document by calling member functions when certain thing...

entity_type get_entity_type(int)

std::map< std::string, std::string > attrs_type

a type for holding XML node attributes

attribute_default_type get_attribute_default_type(int)

event_parser & operator=(event_parser &&other)

Moving assignment.

attribute_default_type

enum for different default attribute definition

virtual bool unparsed_entity_declaration(const std::string &name, const std::string &public_id, const std::string &system_id, const std::string &notation_name)

Override this memeber function to receive the unparsed entity declaration message.

bool parse_finish(error_messages *messages, warnings_as_errors_type how=type_warnings_not_errors)

Finish parsing chunked data.

virtual bool external_subset_declaration(const std::string &name, const std::string &external_id, const std::string &system_id)

Override this memeber function to receive the external subset declaration message.

attribute_type get_attribute_type(int)

std::vector< std::string > values_type

a type for holding attribute declaration values

bool parse_stream(std::istream &stream, error_messages *messages, warnings_as_errors_type how=type_warnings_not_errors)

Parse what ever data that can be read from the given stream.

virtual bool text(const std::string &contents)=0

Override this member function to receive the text message.

virtual bool attribute_declaration(const std::string &element_name, const std::string &attribute_name, attribute_type attr_type, attribute_default_type default_type, const std::string &default_value, const values_type &default_values)

Override this memeber function to receive the attribute declaration message.

virtual bool start_document()

Override this member function to receive the start_document message.

virtual bool cdata(const std::string &contents)

Override this member function to receive the cdata mesage.

bool is_failure(error_messages *messages, warnings_as_errors_type how) const

virtual bool internal_subset_declaration(const std::string &name, const std::string &external_id, const std::string &system_id)

Override this memeber function to receive the internal subset declaration message.

@ notation_decl_handler

controls the notation declaration handler

@ end_element_handler

controls the end element handler

@ comment_handler

controls the comment handler

@ element_decl_handler

controls the element declaration handler

@ unparsed_entity_decl_handler

controls the unparsed entity declaration handler

@ entity_decl_handler

controls the entity declaration handler

@ internal_subset_handler

controls the internal subset handler

@ external_subset_handler

controls the external subset handler

@ attribute_decl_handler

controls the attribute declaration handler

@ pi_handler

controls the processing instruction handler

@ start_element_handler

controls the start element handler

@ cdata_handler

controls the cdata handler

@ reference_handler

controls the reference handler

@ start_document_handler

controls the start document handler

@ characters_handler

controls the text handler

@ end_document_handler

controls the end document handler

virtual bool element_declaration(const std::string &name, element_content_type type, _xmlElementContent *content)

Override this memeber function to receive the element declaration message.

virtual bool end_element(const std::string &name)=0

Override this member function to receive the end_element message.

virtual bool start_element(const std::string &name, const attrs_type &attrs)=0

Override this member function to receive the start_element message.

int sax_handlers_mask

handlers mask type

virtual bool end_document()

Override this member function to receive the end_document message.

virtual bool warning(const std::string &message)

Override this memeber function to receive parser warnings.

virtual bool entity_reference(const std::string &name)

Override this memeber function to receive the entity reference message.

event_parser(sax_handlers_mask mask=default_set)

xml::event_parser class constructor.

virtual bool entity_declaration(const std::string &name, entity_type type, const std::string &public_id, const std::string &system_id, const std::string &content)

Override this memeber function to receive the entity declaration message.

element_content_type get_element_content_type(int)

entity_type

enum for different types of XML entities

virtual bool notation_declaration(const std::string &name, const std::string &public_id, const std::string &system_id)

Override this memeber function to receive the notation declaration message.

bool parse_chunk(const char *chunk, size_type length, error_messages *messages, warnings_as_errors_type how=type_warnings_not_errors)

Call this function to parse a chunk of xml data.

virtual bool error(const std::string &message)

Override this memeber function to receive parser errors.

virtual bool comment(const std::string &contents)

Override this member function to receive the comment message.

attribute_type

enum for different types of XML attributes

bool parse_file(const char *filename, error_messages *messages, warnings_as_errors_type how=type_warnings_not_errors)

Call this member function to parse the given file.

element_content_type

enum for element content types

virtual ~event_parser(void)

xml::event_parser class destructor.

std::size_t size_type

size type

virtual bool processing_instruction(const std::string &target, const std::string &data)

Override this member function to receive the procesing_instruction message.

This exception class is thrown by xmlwrapp for all runtime XML-related errors along with the xml::par...

static bool get_remove_whitespace(void)

This member function provides the current setting of the XML parser which tells whether it should rem...

static void cb_pi(void *parser, const xmlChar *target, const xmlChar *data)

static void cb_cdata(void *parser, const xmlChar *text, int length)

static void cb_start_element(void *parser, const xmlChar *tag, const xmlChar **props)

static void cb_external_subset_declaration(void *parser, const xmlChar *name, const xmlChar *external_id, const xmlChar *system_id)

static void cb_end_element(void *parser, const xmlChar *tag)

static void cb_entity_declaration(void *parser, const xmlChar *name, int type, const xmlChar *public_id, const xmlChar *system_id, xmlChar *content)

static void cb_unparsed_entity_declaration(void *parser, const xmlChar *name, const xmlChar *public_id, const xmlChar *system_id, const xmlChar *notation_name)

static void cb_attribute_declaration(void *parser, const xmlChar *element_name, const xmlChar *attribute_name, int attr_type, int default_type, const xmlChar *default_value, xmlEnumeration *default_values)

static void cb_element_declaration(void *parser, const xmlChar *element_name, int type, xmlElementContent *content)

static void cb_text(void *parser, const xmlChar *text, int length)

static void cb_end_document(void *parser)

static void cb_internal_subset_declaration(void *parser, const xmlChar *name, const xmlChar *external_id, const xmlChar *system_id)

static void cb_start_document(void *parser)

static void cb_error(void *parser, const char *message,...)

static void cb_fatal_error(void *parser, const char *message,...)

static void cb_ignore(void *, const xmlChar *, int)

static void cb_entity_reference(void *parser, const xmlChar *name)

static void cb_warning(void *parser, const char *message,...)

static void cb_comment(void *parser, const xmlChar *text)

static void cb_notation_declaration(void *parser, const xmlChar *name, const xmlChar *public_id, const xmlChar *system_id)

This file contains the definition of the xml::event_parser class.

static void text(MDB_val *v)

static const std::size_t const_buffer_size

This file contains the definition of the xml::exception class.

This file contains the definition of the xml::node class.

void clear_https_messages(void)

void printf2string(std::string &s, const char *message, va_list ap)

void collect_https_messages(xml::error_messages &append_to)

warnings_as_errors_type

A type for different approaches to process warnings.

@ type_warnings_are_errors

Treat warnings as errors.

int size_t_to_int_conversion(std::size_t value, const std::string &msg)

void event_entity_declaration(const xmlChar *name, int type, const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)

void event_internal_subset_declaration(const xmlChar *name, const xmlChar *external_id, const xmlChar *system_id)

void event_external_subset_declaration(const xmlChar *name, const xmlChar *external_id, const xmlChar *system_id)

void recreate_context(void)

void event_warning(const std::string &message)

epimpl(event_parser &parent, event_parser::sax_handlers_mask mask)

void event_unparsed_entity_declaration(const xmlChar *name, const xmlChar *public_id, const xmlChar *system_id, const xmlChar *notation_name)

void event_fatal_error(const std::string &message)

void event_start_document(void)

void event_end_document(void)

epimpl & operator=(const epimpl &)

void event_attribute_declaration(const xmlChar *element_name, const xmlChar *attribute_name, int attr_type, int default_type, const xmlChar *default_value, xmlEnumeration *default_values)

xmlParserCtxt * parser_context_

void event_end_element(const xmlChar *tag)

void event_text(const xmlChar *text, int length)

void event_element_declaration(const xmlChar *element_name, int type, xmlElementContent *content)

void event_error(const std::string &message)

void create_context(void)

void event_comment(const xmlChar *text)

void event_pi(const xmlChar *target, const xmlChar *data)

void destroy_context(void)

void event_start_element(const xmlChar *tag, const xmlChar **props)

void event_entity_reference(const xmlChar *name)

void event_notation_declaration(const xmlChar *name, const xmlChar *public_id, const xmlChar *system_id)

void event_cdata(const xmlChar *text, int length)

xmlSAXHandler sax_handler_


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