onenote_parser 1.1.1

A parser for Microsoft OneNote® files
Documentation 
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use crate::errors::{ErrorKind, Result};
use crate::fsshttpb::data::exguid::ExGuid;
use crate::one::property::object_reference::ObjectReference;
use crate::one::property::time::Timestamp;
use crate::one::property::{PropertyType, simple};
use crate::one::property_set::{PropertySetId, assert_property_set};
use crate::onestore::object::Object;
use crate::shared::guid::Guid;

/// A section.
///
/// See [\[MS-ONE\] 2.2.23].
///
/// [\[MS-ONE\] 2.2.23]: https://docs.microsoft.com/en-us/openspecs/office_file_formats/ms-one/980fae36-b5dd-4581-bf1e-5ab54177153d
#[derive(Debug)]
#[allow(dead_code)]
pub(crate) struct Data {
    pub(crate) context_id: ExGuid,
    pub(crate) entity_guid: Guid,
    pub(crate) page_series: Vec<ExGuid>,
    pub(crate) created_at: Timestamp,
}

pub(crate) fn parse(object: &Object) -> Result<Data> {
    assert_property_set(object, PropertySetId::SectionNode)?;

    let context_id = object.context_id();

    let entity_guid = simple::parse_guid(PropertyType::NotebookManagementEntityGuid, object)?
        .ok_or_else(|| ErrorKind::MalformedOneNoteFileData("section has no guid".into()))?;
    let page_series =
        ObjectReference::parse_vec(PropertyType::ElementChildNodes, object)?.unwrap_or_default();
    let created_at = Timestamp::parse(PropertyType::TopologyCreationTimeStamp, object)?
        .ok_or_else(|| {
            ErrorKind::MalformedOneNoteFileData("section has no creation timestamp".into())
        })?;

    let data = Data {
        context_id,
        entity_guid,
        page_series,
        created_at,
    };

    Ok(data)
}