Function unsafe_libyaml::yaml_emitter_open

source · 
pub unsafe fn yaml_emitter_open(emitter: *mut yaml_emitter_t) -> Success
Expand description

Start a YAML stream.

This function should be used before yaml_emitter_dump() is called.

Examples found in repository?
src/dumper.rs (line 99)
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pub unsafe fn yaml_emitter_dump(
    emitter: *mut yaml_emitter_t,
    document: *mut yaml_document_t,
) -> Success {
    let current_block: u64;
    let mut event = MaybeUninit::<yaml_event_t>::uninit();
    let event = event.as_mut_ptr();
    let mark = yaml_mark_t {
        index: 0_u64,
        line: 0_u64,
        column: 0_u64,
    };
    __assert!(!emitter.is_null());
    __assert!(!document.is_null());
    let fresh0 = addr_of_mut!((*emitter).document);
    *fresh0 = document;
    if !(*emitter).opened {
        if yaml_emitter_open(emitter).fail {
            current_block = 5018439318894558507;
        } else {
            current_block = 15619007995458559411;
        }
    } else {
        current_block = 15619007995458559411;
    }
    match current_block {
        15619007995458559411 => {
            if STACK_EMPTY!((*document).nodes) {
                if yaml_emitter_close(emitter).ok {
                    yaml_emitter_delete_document_and_anchors(emitter);
                    return OK;
                }
            } else {
                __assert!((*emitter).opened);
                let fresh1 = addr_of_mut!((*emitter).anchors);
                *fresh1 = yaml_malloc(
                    (size_of::<yaml_anchors_t>() as libc::c_ulong)
                        .wrapping_mul((*document).nodes.top.c_offset_from((*document).nodes.start)
                            as libc::c_long as libc::c_ulong),
                ) as *mut yaml_anchors_t;
                memset(
                    (*emitter).anchors as *mut libc::c_void,
                    0,
                    (size_of::<yaml_anchors_t>() as libc::c_ulong)
                        .wrapping_mul((*document).nodes.top.c_offset_from((*document).nodes.start)
                            as libc::c_long as libc::c_ulong),
                );
                memset(
                    event as *mut libc::c_void,
                    0,
                    size_of::<yaml_event_t>() as libc::c_ulong,
                );
                (*event).type_ = YAML_DOCUMENT_START_EVENT;
                (*event).start_mark = mark;
                (*event).end_mark = mark;
                (*event).data.document_start.version_directive = (*document).version_directive;
                (*event).data.document_start.tag_directives.start =
                    (*document).tag_directives.start;
                (*event).data.document_start.tag_directives.end = (*document).tag_directives.end;
                (*event).data.document_start.implicit = (*document).start_implicit;
                if yaml_emitter_emit(emitter, event).ok {
                    yaml_emitter_anchor_node(emitter, 1);
                    if yaml_emitter_dump_node(emitter, 1).ok {
                        memset(
                            event as *mut libc::c_void,
                            0,
                            size_of::<yaml_event_t>() as libc::c_ulong,
                        );
                        (*event).type_ = YAML_DOCUMENT_END_EVENT;
                        (*event).start_mark = mark;
                        (*event).end_mark = mark;
                        (*event).data.document_end.implicit = (*document).end_implicit;
                        if yaml_emitter_emit(emitter, event).ok {
                            yaml_emitter_delete_document_and_anchors(emitter);
                            return OK;
                        }
                    }
                }
            }
        }
        _ => {}
    }
    yaml_emitter_delete_document_and_anchors(emitter);
    FAIL
}