//! Auto-generated PID 44002 types.
//! Bestätigung Anmeldung
//! Do not edit manually.
#![allow(unused_imports, non_camel_case_types)]

use serde::{Deserialize, Serialize};
use crate::segment::OwnedSegment;
use crate::cursor::{SegmentCursor, SegmentNotFound, peek_is, consume, expect_segment};

/// SG10 — Klassentyp, Code
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg10 {
    pub cav: Option<OwnedSegment>,
    pub cci: Option<OwnedSegment>,
}

/// SG12 — Beteiligter, Qualifier
/// Qualifiers: DP
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg12Dp {
    pub nad: Option<OwnedSegment>,
}

/// SG12 — Beteiligter, Qualifier
/// Qualifiers: Z04
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg12Z04 {
    pub nad: Option<OwnedSegment>,
}

/// SG12 — Beteiligter, Qualifier
/// Qualifiers: Z05
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg12Z05 {
    pub nad: Option<OwnedSegment>,
    pub rff: Option<OwnedSegment>,
}

/// SG12 — Beteiligter, Qualifier
/// Qualifiers: Z09
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg12Z09 {
    pub nad: Option<OwnedSegment>,
    pub rff: Option<OwnedSegment>,
}

/// SG2 — Beteiligter, Qualifier
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg2 {
    pub nad: Option<OwnedSegment>,
    pub sg3_ic: Vec<Pid44002Sg3Ic>,
}

/// SG3 — Funktion des Ansprechpartners, Code
/// Qualifiers: IC
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg3Ic {
    pub com: Option<OwnedSegment>,
    pub cta: Option<OwnedSegment>,
}

/// SG4 — Objekt, Qualifier
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg4 {
    pub dtm: Option<OwnedSegment>,
    pub ftx: Option<OwnedSegment>,
    pub ide: Option<OwnedSegment>,
    pub sts: Option<OwnedSegment>,
    pub sg12_z09: Vec<Pid44002Sg12Z09>,
    pub sg12_z04: Vec<Pid44002Sg12Z04>,
    pub sg12_dp: Vec<Pid44002Sg12Dp>,
    pub sg12_z05: Vec<Pid44002Sg12Z05>,
    pub sg5_172: Vec<Pid44002Sg5172>,
    pub sg6: Vec<Pid44002Sg6>,
    pub sg8_z01: Vec<Pid44002Sg8Z01>,
    pub sg8_z02: Vec<Pid44002Sg8Z02>,
    pub sg8_z07: Vec<Pid44002Sg8Z07>,
    pub sg8_z12: Vec<Pid44002Sg8Z12>,
    pub sg8_z18: Vec<Pid44002Sg8Z18>,
    pub sg8_z03: Vec<Pid44002Sg8Z03>,
    pub sg8_z50: Vec<Pid44002Sg8Z50>,
    pub sg8_z09: Vec<Pid44002Sg8Z09>,
    pub sg8_z20: Vec<Pid44002Sg8Z20>,
    pub sg8_z05: Vec<Pid44002Sg8Z05>,
    pub sg8_z13: Vec<Pid44002Sg8Z13>,
    pub sg8_z35: Vec<Pid44002Sg8Z35>,
}

/// SG5 — Ortsangabe, Qualifier
/// Qualifiers: 172
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg5172 {
    pub loc: Option<OwnedSegment>,
}

/// SG6 — Referenz, Qualifier
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg6 {
    pub dtm: Option<OwnedSegment>,
    pub rff: Option<OwnedSegment>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z01
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z01 {
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
    pub sg9: Vec<Pid44002Sg9>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z02
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z02 {
    pub pia: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z03
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z03 {
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z05
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z05 {
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z07
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z07 {
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z09
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z09 {
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z12
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z12 {
    pub seq: Option<OwnedSegment>,
    pub sg9: Vec<Pid44002Sg9>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z13
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z13 {
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z18
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z18 {
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z20
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z20 {
    pub pia: Option<OwnedSegment>,
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z35
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z35 {
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG8 — Handlung, Code
/// Qualifiers: Z50
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg8Z50 {
    pub rff: Option<OwnedSegment>,
    pub seq: Option<OwnedSegment>,
    pub sg10: Vec<Pid44002Sg10>,
}

/// SG9 — Menge, Qualifier
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002Sg9 {
    pub qty: Option<OwnedSegment>,
}

/// PID 44002: Bestätigung Anmeldung
/// Kommunikation: NB an LF
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Pid44002 {
    pub unh: OwnedSegment,
    pub bgm: OwnedSegment,
    pub dtm: OwnedSegment,
    pub unt: OwnedSegment,
    pub sg2: Vec<Pid44002Sg2>,
    pub sg4: Vec<Pid44002Sg4>,
}

impl Pid44002Sg10 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let cav = if peek_is(segments, cursor, "CAV") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let cci = if peek_is(segments, cursor, "CCI") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if cav.is_none() && cci.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            cav,
            cci,
        })
    }
}

impl Pid44002Sg12Dp {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let nad = if peek_is(segments, cursor, "NAD") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if nad.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            nad,
        })
    }
}

impl Pid44002Sg12Z04 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let nad = if peek_is(segments, cursor, "NAD") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if nad.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            nad,
        })
    }
}

impl Pid44002Sg12Z05 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let nad = if peek_is(segments, cursor, "NAD") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if nad.is_none() && rff.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            nad,
            rff,
        })
    }
}

impl Pid44002Sg12Z09 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let nad = if peek_is(segments, cursor, "NAD") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if nad.is_none() && rff.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            nad,
            rff,
        })
    }
}

impl Pid44002Sg2 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let nad = if peek_is(segments, cursor, "NAD") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if nad.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg3_ic = Vec::new();
        while let Some(item) = Pid44002Sg3Ic::from_segments(segments, cursor) {
            sg3_ic.push(item);
        }
        Some(Self {
            nad,
            sg3_ic,
        })
    }
}

impl Pid44002Sg3Ic {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let com = if peek_is(segments, cursor, "COM") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let cta = if peek_is(segments, cursor, "CTA") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if com.is_none() && cta.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            com,
            cta,
        })
    }
}

impl Pid44002Sg4 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let dtm = if peek_is(segments, cursor, "DTM") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let ftx = if peek_is(segments, cursor, "FTX") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let ide = if peek_is(segments, cursor, "IDE") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let sts = if peek_is(segments, cursor, "STS") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if dtm.is_none() && ftx.is_none() && ide.is_none() && sts.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg12_z09 = Vec::new();
        while let Some(item) = Pid44002Sg12Z09::from_segments(segments, cursor) {
            sg12_z09.push(item);
        }
        let mut sg12_z04 = Vec::new();
        while let Some(item) = Pid44002Sg12Z04::from_segments(segments, cursor) {
            sg12_z04.push(item);
        }
        let mut sg12_dp = Vec::new();
        while let Some(item) = Pid44002Sg12Dp::from_segments(segments, cursor) {
            sg12_dp.push(item);
        }
        let mut sg12_z05 = Vec::new();
        while let Some(item) = Pid44002Sg12Z05::from_segments(segments, cursor) {
            sg12_z05.push(item);
        }
        let mut sg5_172 = Vec::new();
        while let Some(item) = Pid44002Sg5172::from_segments(segments, cursor) {
            sg5_172.push(item);
        }
        let mut sg6 = Vec::new();
        while let Some(item) = Pid44002Sg6::from_segments(segments, cursor) {
            sg6.push(item);
        }
        let mut sg8_z01 = Vec::new();
        while let Some(item) = Pid44002Sg8Z01::from_segments(segments, cursor) {
            sg8_z01.push(item);
        }
        let mut sg8_z02 = Vec::new();
        while let Some(item) = Pid44002Sg8Z02::from_segments(segments, cursor) {
            sg8_z02.push(item);
        }
        let mut sg8_z07 = Vec::new();
        while let Some(item) = Pid44002Sg8Z07::from_segments(segments, cursor) {
            sg8_z07.push(item);
        }
        let mut sg8_z12 = Vec::new();
        while let Some(item) = Pid44002Sg8Z12::from_segments(segments, cursor) {
            sg8_z12.push(item);
        }
        let mut sg8_z18 = Vec::new();
        while let Some(item) = Pid44002Sg8Z18::from_segments(segments, cursor) {
            sg8_z18.push(item);
        }
        let mut sg8_z03 = Vec::new();
        while let Some(item) = Pid44002Sg8Z03::from_segments(segments, cursor) {
            sg8_z03.push(item);
        }
        let mut sg8_z50 = Vec::new();
        while let Some(item) = Pid44002Sg8Z50::from_segments(segments, cursor) {
            sg8_z50.push(item);
        }
        let mut sg8_z09 = Vec::new();
        while let Some(item) = Pid44002Sg8Z09::from_segments(segments, cursor) {
            sg8_z09.push(item);
        }
        let mut sg8_z20 = Vec::new();
        while let Some(item) = Pid44002Sg8Z20::from_segments(segments, cursor) {
            sg8_z20.push(item);
        }
        let mut sg8_z05 = Vec::new();
        while let Some(item) = Pid44002Sg8Z05::from_segments(segments, cursor) {
            sg8_z05.push(item);
        }
        let mut sg8_z13 = Vec::new();
        while let Some(item) = Pid44002Sg8Z13::from_segments(segments, cursor) {
            sg8_z13.push(item);
        }
        let mut sg8_z35 = Vec::new();
        while let Some(item) = Pid44002Sg8Z35::from_segments(segments, cursor) {
            sg8_z35.push(item);
        }
        Some(Self {
            dtm,
            ftx,
            ide,
            sts,
            sg12_z09,
            sg12_z04,
            sg12_dp,
            sg12_z05,
            sg5_172,
            sg6,
            sg8_z01,
            sg8_z02,
            sg8_z07,
            sg8_z12,
            sg8_z18,
            sg8_z03,
            sg8_z50,
            sg8_z09,
            sg8_z20,
            sg8_z05,
            sg8_z13,
            sg8_z35,
        })
    }
}

impl Pid44002Sg5172 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let loc = if peek_is(segments, cursor, "LOC") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if loc.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            loc,
        })
    }
}

impl Pid44002Sg6 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let dtm = if peek_is(segments, cursor, "DTM") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if dtm.is_none() && rff.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            dtm,
            rff,
        })
    }
}

impl Pid44002Sg8Z01 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        let mut sg9 = Vec::new();
        while let Some(item) = Pid44002Sg9::from_segments(segments, cursor) {
            sg9.push(item);
        }
        Some(Self {
            seq,
            sg10,
            sg9,
        })
    }
}

impl Pid44002Sg8Z02 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let pia = if peek_is(segments, cursor, "PIA") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if pia.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            pia,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z03 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z05 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z07 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z09 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z12 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg9 = Vec::new();
        while let Some(item) = Pid44002Sg9::from_segments(segments, cursor) {
            sg9.push(item);
        }
        Some(Self {
            seq,
            sg9,
        })
    }
}

impl Pid44002Sg8Z13 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z18 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z20 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let pia = if peek_is(segments, cursor, "PIA") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if pia.is_none() && rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            pia,
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z35 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg8Z50 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let rff = if peek_is(segments, cursor, "RFF") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        let seq = if peek_is(segments, cursor, "SEQ") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if rff.is_none() && seq.is_none() {
            cursor.restore(saved);
            return None;
        }
        let mut sg10 = Vec::new();
        while let Some(item) = Pid44002Sg10::from_segments(segments, cursor) {
            sg10.push(item);
        }
        Some(Self {
            rff,
            seq,
            sg10,
        })
    }
}

impl Pid44002Sg9 {
    /// Try to assemble this group from segments at the cursor position.
    pub fn from_segments(
        segments: &[OwnedSegment],
        cursor: &mut SegmentCursor,
    ) -> Option<Self> {
        let saved = cursor.save();
        let qty = if peek_is(segments, cursor, "QTY") {
            Some(consume(segments, cursor)?.clone())
        } else {
            None
        };
        if qty.is_none() {
            cursor.restore(saved);
            return None;
        }
        Some(Self {
            qty,
        })
    }
}

impl Pid44002 {
    /// Assemble this PID from a pre-tokenized segment list.
    pub fn from_segments(
        segments: &[OwnedSegment],
    ) -> Result<Self, SegmentNotFound> {
        let mut cursor = SegmentCursor::new(segments.len());

        let unh = expect_segment(segments, &mut cursor, "UNH")?.clone();
        let bgm = expect_segment(segments, &mut cursor, "BGM")?.clone();
        let dtm = expect_segment(segments, &mut cursor, "DTM")?.clone();
        let unt = expect_segment(segments, &mut cursor, "UNT")?.clone();
        let mut sg2 = Vec::new();
        while let Some(item) = Pid44002Sg2::from_segments(segments, &mut cursor) {
            sg2.push(item);
        }
        let mut sg4 = Vec::new();
        while let Some(item) = Pid44002Sg4::from_segments(segments, &mut cursor) {
            sg4.push(item);
        }

        Ok(Pid44002 {
            unh,
            bgm,
            dtm,
            unt,
            sg2,
            sg4,
        })
    }
}
