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xmerl_eventp - Simple event-based front-ends to xmerl_scan for processing

Authors

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                                                  xmerl 1.3.28                                xmerl_eventp(3erl)

Data Types

option_list():

           Options allow to customize  the  behaviour  of  the  scanner.  See  also  tutorial  on  customization
           functions.

           Possible options are:

           {acc_fun,Fun}:
             Call back function to accumulate contents of entity.

           {continuation_fun,Fun}|{continuation_fun,Fun,ContinuationState}:
             Call  back  function  to  decide  what  to  do  if the scanner runs into EOF before the document is
             complete.

           {event_fun,Fun}|{event_fun,Fun,EventState}:
             Call back function to handle scanner events.

           {fetch_fun,Fun}|{fetch_fun,Fun,FetchState}:
             Call back function to fetch an external resource.

           {hook_fun,Fun}|{hook_fun,Fun,HookState}:
             Call back function to process the document entities once identified.

           {close_fun,Fun}:
             Called when document has been completely parsed.

           {rules,ReadFun,WriteFun,RulesState}|{rules,Rules}:
             Handles storing of scanner information when parsing.

           {user_state,UserState}:
             Global state variable accessible from all customization functions

           {fetch_path,PathList}:
             PathList is a list of directories to search when fetching files. If the file in question is not  in
             the fetch_path, the URI will be used as a file name.

           {space,Flag}:
             'preserve'  (default)  to  preserve  spaces,  'normalize'  to accumulate consecutive whitespace and
             replace it with one space.

           {line,Line}:
             To specify starting line for scanning in document which contains fragments of XML.

           {namespace_conformant,Flag}:
             Controls whether to behave as a namespace conformant XML parser, 'false' (default) to not otherwise
             'true'.

           {validation,Flag}:
             Controls whether to process  as  a  validating  XML  parser:  'off'  (default)  no  validation,  or
             validation  'dtd'  by  DTD or 'schema' by XML Schema. 'false' and 'true' options are obsolete (i.e.
             they may be removed in a future release), if used 'false' equals 'off' and 'true' equals 'dtd'.

           {schemaLocation,[{Namespace,Link}|...]}:
             Tells explicitly which XML Schema documents to use to validate the XML document. Used together with
             the {validation,schema} option.

           {quiet,Flag}:
             Set to 'true' if xmerl should behave quietly and not output  any  information  to  standard  output
             (default 'false').

           {doctype_DTD,DTD}:
             Allows to specify DTD name when it isn't available in the XML document. This option has effect only
             together with {validation,'dtd' option.

           {xmlbase,Dir}:
             XML  Base  directory.  If  using  string/1 default is current directory. If using file/1 default is
             directory of given file.

           {encoding,Enc}:
             Set default character set used (default UTF-8). This character set is used only if  not  explicitly
             given by the XML declaration.

           {document,Flag}:
             Set  to  'true'  if  xmerl  should return a complete XML document as an xmlDocument record (default
             'false').

           {comments,Flag}:
             Set to 'false' if xmerl should skip comments otherwise they will be returned as xmlComment  records
             (default 'true').

           {default_attrs,Flag}:
             Set  to  'true'  if  xmerl  should  add to elements missing attributes with a defined default value
             (default 'false').

         xmlElement()=#xmlElement{}:

Description

       Simple event-based front-ends to xmerl_scan for processing of XML documents in streams and for parsing in
       SAX  style.  Each  contain  more  elaborate  settings of xmerl_scan that makes usage of the customization
       functions.

Exports

file_sax(Fname::string(),CallBackModule::atom(),UserState,Options::option_list())->NewUserState

              Parse file containing an XML document, SAX style. Wrapper for a call to the XML parser  xmerl_scan
              with a hook_fun for using xmerl export functionality directly after an entity is parsed.

       stream(Fname::string(),Options::option_list())->xmlElement()

              Parse file containing an XML document as a stream, DOM style. Wrapper for a call to the XML parser
              xmerl_scan   with   a   continuation_fun   for  handling  streams  of  XML  data.  Note  that  the
              continuation_fun, acc_fun, fetch_fun, rules and close_fun options cannot  be  user  defined  using
              this parser.

       stream_sax(Fname,CallBack::CallBackModule,UserState,Options)->xmlElement()

              Types:

                 Fname = string()
                 CallBackModule = atom()
                 Options = option_list()

              Parse file containing an XML document as a stream, SAX style. Wrapper for a call to the XML parser
              xmerl_scan   with   a   continuation_fun   for  handling  streams  of  XML  data.  Note  that  the
              continuation_fun, acc_fun, fetch_fun, rules, hook_fun, close_fun and user_state options cannot  be
              user defined using this parser.

       string_sax(String::list(),CallBackModule::atom(),UserState,Options::option_list())->xmlElement()

              Parse  file containing an XML document, SAX style. Wrapper for a call to the XML parser xmerl_scan
              with a hook_fun for using xmerl export functionality directly after an entity is parsed.

Name

       xmerl_eventp - Simple event-based front-ends to xmerl_scan for processing
         of XML documents in streams and for parsing in SAX style.

See Also