Struct marc::record::Record

pub struct Record { /* private fields */ }

Implementations

impl Record

pub fn from_binary_file(filename: &str) -> Result<BinaryRecordIterator, String>

Returns an iterator over MARC records produced from a binary file.

pub fn from_binary(rec_bytes: &[u8]) -> Result<Record, String>

Creates a single MARC Record from a series of bytes.

References

• https://www.loc.gov/marc/bibliographic/bdleader.html
• https://www.loc.gov/marc/bibliographic/bddirectory.html

pub fn to_binary(&self) -> Result<Vec<u8>, String>

Generates the binary form of a MARC record as a vector of bytes.

Examples

use marc::Record;
let mut my_record = Record::new();
my_record
    .add_data_field("245")
    .unwrap()
    .add_subfield("a", "My favorite book")
    .unwrap();
assert_eq!(
    my_record.to_binary().unwrap(),
    "00059       00037       245002100000\x1E  \x1FaMy favorite book\x1E\x1D".as_bytes()
);

impl Record

pub fn to_breaker(&self) -> String

Creates the MARC Breaker representation of this record as a String.

pub fn from_breaker(breaker: &str) -> Result<Self, String>

Creates a new MARC Record from a MARC Breaker string.

impl Record

pub fn new() -> Self

Create a new Record with a default leader and no content.

pub fn leader(&self) -> &str

Get the leader as a string.

pub fn set_leader(&mut self, leader: impl Into<String>) -> Result<(), String>

Apply a leader value.

Returns Err if the value is not composed of the correct number of bytes.

Examples

use marc::record::Record;
let mut record = Record::default();
assert!(record.set_leader("too short").is_err());
assert!(record.set_leader("just right              ").is_ok());

pub fn set_leader_bytes(&mut self, bytes: &[u8]) -> Result<(), String>

Apply a leader value from a set of bytes

Returns Err if the value is not composed of the correct number of bytes.

Examples

use marc::record::Record;
let mut record = Record::default();
assert!(record.set_leader_bytes("too short".as_bytes()).is_err());
assert!(record.set_leader_bytes("just right              ".as_bytes()).is_ok());

pub fn control_fields(&self) -> &Vec<Controlfield>

Get the full list of control fields.

pub fn control_fields_mut(&mut self) -> &mut Vec<Controlfield>

Get the full list of control fields, mutable.

pub fn fields(&self) -> &Vec<Field>

Get the full list of fields.

pub fn fields_mut(&mut self) -> &mut Vec<Field>

Get the full list of fields, mutable.

pub fn get_control_fields(&self, tag: &str) -> Vec<&Controlfield>

Return a list of control fields with the provided tag.

pub fn get_fields(&self, tag: &str) -> Vec<&Field>

Return a list of fields with the provided tag.

pub fn get_fields_mut(&mut self, tag: &str) -> Vec<&mut Field>

Return a mutable list of fields with the provided tag.

pub fn add_control_field( &mut self, tag: &str, content: &str, ) -> Result<(), String>

Add a new control field with the provided tag and content and insert it in tag order.

Controlfields are those with tag 001 .. 009

Err if the tag is invalid.

Examples

use marc::record::Record;
let mut record = Record::default();
assert!(record.add_control_field("011", "foo").is_err());
assert!(record.add_control_field("002", "bar").is_ok());
assert!(record.add_control_field("001", "bar").is_ok());

// should be sorted by tag.
assert_eq!(record.control_fields()[0].tag(), "001");

pub fn insert_control_field(&mut self, field: Controlfield)

pub fn insert_field(&mut self, field: Field) -> usize

Insert a data field in tag order

pub fn add_data_field( &mut self, tag: impl Into<String>, ) -> Result<&mut Field, String>

Create a new Field with the provided tag, insert it into the record in tag order, then return a mut ref to the new field.

Examples

use marc::record::Record;
let mut record = Record::default();
assert!(record.add_data_field("245").is_ok());
assert!(record.add_data_field("240").is_ok());
assert!(record.add_data_field("1234").is_err());

assert_eq!(record.fields()[0].tag(), "240");

pub fn get_values(&self, tag: &str, sfcode: &str) -> Vec<&str>

Returns a list of values for the specified tag and subfield.

Examples

use marc::record::Record;
let mut record = Record::default();
let field = record.add_data_field("650").expect("added field");
field.add_subfield("a", "foo");
field.add_subfield("a", "bar");

let field = record.add_data_field("650").expect("added field");
field.add_subfield("a", "baz");

let values = record.get_values("650", "a");

assert_eq!(values.len(), 3);
assert_eq!(values[1], "bar");

pub fn remove_control_fields(&mut self, tag: &str)

Remove all occurrences of control fields with the provided tag.

pub fn remove_fields(&mut self, tag: &str)

Remove all occurrences of fields with the provided tag.

impl Record

pub fn from_xml_file(filename: &str) -> Result<XmlRecordIterator, String>

Returns an iterator over the XML file which emits Records.

pub fn from_xml(xml: &str) -> XmlRecordIterator

Returns an iterator over the XML string which emits Records.

pub fn to_xml(&self) -> Result<String, String>

Creates the XML representation of a MARC record as a String.

pub fn to_xml_formatted(&self) -> Result<String, String>

Creates the XML representation of a MARC record as a formatted string using 2-space indentation.

pub fn to_xml_ops(&self, options: &XmlOptions) -> Result<String, String>

Trait Implementations

impl Clone for Record

fn clone(&self) -> Record

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Record

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Record

A MARC record with leader, control fields, and data fields.

fn default() -> Self

Returns the “default value” for a type.

impl PartialEq for Record

fn eq(&self, other: &Record) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Record