File Information
Library: FastInfoset
Package: FastInfoset
Header: Poco/FastInfoset/DocumentRestrictedAlphabet.h
Description
DocumentRestrictedAlphabet stores the prefined simple vocabularies for numeric or date time de-/encoding.
Member Summary
Member Functions: add, alphabet, alphabets, charToIndex, indexToChar, operator -
Types
Alphabets
typedef std::vector < RestrictedAlphabet > Alphabets;
Constructors
DocumentRestrictedAlphabet
Creates the DocumentRestrictedAlphabet.
Destructor
~DocumentRestrictedAlphabet
~DocumentRestrictedAlphabet();
Destroys the DocumentRestrictedAlphabet.
Member Functions
add
Poco::UInt32 add(
const std::string & str
);
Adds the string as a new vocabulary, returns the ids of the vocabulary, the maximum is limited to 256 vocabularies.
alphabet 
RestrictedAlphabet & alphabet(
Poco::UInt32 vocabulary
);
Returns the alphabet for the given id.
alphabets
const Alphabets & alphabets() const;
Returns all defined alphabets.
charToIndex
int charToIndex(
Poco::UInt32 vocabulary,
int value
) const;
Returns the index for the given vocabulary and Unicode character.
indexToChar
int indexToChar(
Poco::UInt32 vocabulary,
int index
) const;
Returns the Unicode character for the given vocabulary and character index.
operator -
DocumentRestrictedAlphabet operator - (
const DocumentRestrictedAlphabet & other
);
Subtracts another restricted alphabet from this one.
The other vocabulary must be smaller than this alphabet The content of the alphabets is not checked but assumed to be equal.
Variables
DATE_TIME_CHARACTERS 
static const std::string DATE_TIME_CHARACTERS;
NUMERIC_CHARACTERS
static const std::string NUMERIC_CHARACTERS;