BloombergLP::balber::BerDecoder

This class provides current context for BER decoding process and represents a node for BER element.

Synopsis

Declared in <balber_berdecoder.h>

class BerDecoder_Node;

Description

The BER element consists of element tag, length field, body field and optional end of tag. The class also provides various methods to read the different parts of BER element such as tag header (tag itself and length fields), body for any type of data, and optional tag trailer.

Member Functions

Name

Description

BerDecoder_Node [constructor]

Constructors

~BerDecoder_Node [destructor]

Destroy this decoder node.

fieldName

Return field name for this node.

formattingMode

Return formatting mode for this node.

hasMore

Return true if current node has more embedded elements and return false otherwise.

length

Return expected length of the body or ‐1 when the length is indefinite.

logError

Log a decode error for this node and return a non‐zero value.

operator()

Function call operators

parent

Return the address of the parent node.

print

Print this node to the specified out stream.

printStack

Print the chain of nodes to the specified out stream, starting from this node and iterating to the parent node, then its parent, etc.

readTagHeader

Read the node tag field containing tag class, tag type and tag number, and the node length field. Return zero on success, and a non‐zero value otherwise.

readTagTrailer

Read the node end‐of‐octets field, if present.

readVectorChar

Load the node body content into the specified variable. Return 0 on success, and a non‐zero value otherwise.

readVectorUnsignedChar

Load the node body content into the specified variable. Return 0 on success, and a non‐zero value otherwise.

setFieldName

Set the object field name associated with this node to the specified name.

setFormattingMode

Set the formatting mode to the specified formattingMode.

skipField

Skip the field body of the current node.