[#BloombergLP-balxml-Reader-open-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balxml.adoc[balxml]::xref:BloombergLP/balxml/Reader.adoc[Reader]::open
:relfileprefix: ../../../
:mrdocs:

`open` overloads

== Synopses

Declared in `<balxml_reader.h>`

Set up the reader for parsing the XML file named by `filename`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
int
xref:BloombergLP/balxml/Reader/open-07.adoc[open](
    char const* filename,
    char const* encoding = 0) = 0;
----

[.small]#xref:BloombergLP/balxml/Reader/open-07.adoc[_» more..._]#

Set up the reader for parsing the XML data in the specified `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
int
xref:BloombergLP/balxml/Reader/open-03.adoc[open](
    std::streambuf* stream,
    char const* url = 0,
    char const* encoding = 0) = 0;
----

[.small]#xref:BloombergLP/balxml/Reader/open-03.adoc[_» more..._]#

Set up the reader for parsing the XML data in the specified `buffer`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
int
xref:BloombergLP/balxml/Reader/open-09.adoc[open](
    char const* buffer,
    std::size_t size,
    char const* url = 0,
    char const* encoding = 0) = 0;
----

[.small]#xref:BloombergLP/balxml/Reader/open-09.adoc[_» more..._]#

== Return Value

0 on success and non‐zero otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *filename*
| path of the XML file to parse
| *encoding*
| optional document encoding override
| *stream*
| stream buffer containing the XML document
| *url*
| optional base URL for the document
| *buffer*
| memory containing the XML document
| *size*
| number of bytes in `buffer`
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#