1xmerl_eventp(3)            Erlang Module Definition            xmerl_eventp(3)
2
3
4

NAME

6       xmerl_eventp - Simple event-based front-ends to xmerl_scan for process‐
7       ing
8         of XML documents in streams and for parsing in SAX style.
9

DESCRIPTION

11       Simple event-based front-ends to xmerl_scan for processing of XML docu‐
12       ments in streams and for parsing in SAX style. Each contain more elabo‐
13       rate settings of xmerl_scan that makes usage of the customization func‐
14       tions.
15

DATA TYPES

17         option_list():
18
19
20           Options  allow  to customize the behaviour of the scanner. See also
21           tutorial on customization functions.
22
23           Possible options are:
24
25           {acc_fun, Fun}:
26             Call back function to accumulate contents of entity.
27
28           {continuation_fun, Fun}  |  {continuation_fun,  Fun,  Continuation‐
29           State}:
30             Call  back function to decide what to do if the scanner runs into
31             EOF before the document is complete.
32
33           {event_fun, Fun} | {event_fun, Fun, EventState}:
34             Call back function to handle scanner events.
35
36           {fetch_fun, Fun} | {fetch_fun, Fun, FetchState}:
37             Call back function to fetch an external resource.
38
39           {hook_fun, Fun} | {hook_fun, Fun, HookState}:
40             Call back function to process the document entities once  identi‐
41             fied.
42
43           {close_fun, Fun}:
44             Called when document has been completely parsed.
45
46           {rules, ReadFun, WriteFun, RulesState} | {rules, Rules}:
47             Handles storing of scanner information when parsing.
48
49           {user_state, UserState}:
50             Global state variable accessible from all customization functions
51
52           {fetch_path, PathList}:
53             PathList  is a list of directories to search when fetching files.
54             If the file in question is not in the fetch_path, the URI will be
55             used as a file name.
56
57           {space, Flag}:
58             'preserve'  (default)  to preserve spaces, 'normalize' to accumu‐
59             late consecutive whitespace and replace it with one space.
60
61           {line, Line}:
62             To specify starting line for scanning in document which  contains
63             fragments of XML.
64
65           {namespace_conformant, Flag}:
66             Controls  whether to behave as a namespace conformant XML parser,
67             'false' (default) to not otherwise 'true'.
68
69           {validation, Flag}:
70             Controls whether to process as a  validating  XML  parser:  'off'
71             (default)  no  validation, or validation 'dtd' by DTD or 'schema'
72             by XML Schema. 'false' and 'true' options are obsolete (i.e. they
73             may be removed in a future release), if used 'false' equals 'off'
74             and 'true' equals 'dtd'.
75
76           {schemaLocation, [{Namespace,Link}|...]}:
77             Tells explicitly which XML Schema documents to  use  to  validate
78             the  XML document. Used together with the {validation,schema} op‐
79             tion.
80
81           {quiet, Flag}:
82             Set to 'true' if xmerl should behave quietly and not  output  any
83             information to standard output (default 'false').
84
85           {doctype_DTD, DTD}:
86             Allows  to  specify  DTD  name when it isn't available in the XML
87             document. This option has  effect  only  together  with  {valida‐
88             tion,'dtd' option.
89
90           {xmlbase, Dir}:
91             XML  Base  directory. If using string/1 default is current direc‐
92             tory. If using file/1 default is directory of given file.
93
94           {encoding, Enc}:
95             Set default character set used (default  UTF-8).  This  character
96             set is used only if not explicitly given by the XML declaration.
97
98           {document, Flag}:
99             Set  to  'true' if xmerl should return a complete XML document as
100             an xmlDocument record (default 'false').
101
102           {comments, Flag}:
103             Set to 'false' if xmerl should skip comments otherwise they  will
104             be returned as xmlComment records (default 'true').
105
106           {default_attrs, Flag}:
107             Set  to 'true' if xmerl should add to elements missing attributes
108             with a defined default value (default 'false').
109
110         xmlElement() = #xmlElement{}:
111
112

EXPORTS

114       file_sax(Fname::string(),   CallBackModule::atom(),   UserState,    Op‐
115       tions::option_list()) -> NewUserState
116
117              Parse  file containing an XML document, SAX style. Wrapper for a
118              call to the XML parser xmerl_scan  with  a  hook_fun  for  using
119              xmerl export functionality directly after an entity is parsed.
120
121       stream(Fname::string(), Options::option_list()) -> xmlElement()
122
123              Parse  file  containing  an XML document as a stream, DOM style.
124              Wrapper for a call to the XML parser xmerl_scan with a continua‐
125              tion_fun for handling streams of XML data. Note that the contin‐
126              uation_fun, acc_fun, fetch_fun, rules and close_fun options can‐
127              not be user defined using this parser.
128
129       stream_sax(Fname,  CallBack::CallBackModule, UserState, Options) -> xm‐
130       lElement()
131
132              Types:
133
134                 Fname = string()
135                 CallBackModule = atom()
136                 Options = option_list()
137
138              Parse file containing an XML document as a  stream,  SAX  style.
139              Wrapper for a call to the XML parser xmerl_scan with a continua‐
140              tion_fun for handling streams of XML data. Note that the contin‐
141              uation_fun,  acc_fun,  fetch_fun, rules, hook_fun, close_fun and
142              user_state options cannot be user defined using this parser.
143
144       string_sax(String::list(),   CallBackModule::atom(),   UserState,   Op‐
145       tions::option_list()) -> xmlElement()
146
147              Parse  file containing an XML document, SAX style. Wrapper for a
148              call to the XML parser xmerl_scan  with  a  hook_fun  for  using
149              xmerl export functionality directly after an entity is parsed.
150

AUTHORS

152       <>
153
154
155
156                                 xmerl 1.3.28                  xmerl_eventp(3)
Impressum