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    <title>Code coverage report for music-core/parser/BarlineParser.ts</title>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/**
 * @file 小节线解析器
 * @description 解析 MusicXML 中的 barline 元素
 */
&nbsp;
import { Barline, Repeat, Ending, NavigationSign, Fermata } from '../models/Barline';
import { BarStyle, RepeatDirection, EndingType } from '../models/types';
import { Harmony, HarmonyRoot, HarmonyBass, HarmonyDegree, Frame, FrameNote } from '../models/Harmony';
import { getChild, getChildren, getTextContent, getIntContent, getNumberContent, getAttribute, hasChild } from '../utils/XMLUtils';
import { StepName, AlterationType, HarmonyKind, DegreeType } from '../models/types';
&nbsp;
/**
 * 解析 repeat 元素
 */
export function parseRepeat(element: Element): Repeat {
  const direction = getAttribute(element, 'direction') as RepeatDirection;
  const times = getIntContent(element, 'times');
  const afterJump = getAttribute(element, 'after-jump') === 'yes';
  const winged = getAttribute(element, 'winged') as Repeat['winged'];
  
  return {
    direction,
    times,
    afterJump: afterJump || undefined,
    winged
  };
}
&nbsp;
/**
 * 解析 ending 元素
 */
export <span class="fstat-no" title="function not covered" >function parseEnding(element: Element): Ending {</span>
<span class="cstat-no" title="statement not covered" >  const type = getAttribute(element, 'type') as EndingType;</span>
<span class="cstat-no" title="statement not covered" >  const number = getAttribute(element, 'number') ?? '1';</span>
<span class="cstat-no" title="statement not covered" >  const printObject = getAttribute(element, 'print-object') !== 'no';</span>
<span class="cstat-no" title="statement not covered" >  const text = element.textContent?.trim();</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return {</span>
<span class="cstat-no" title="statement not covered" >    type,</span>
<span class="cstat-no" title="statement not covered" >    number,</span>
<span class="cstat-no" title="statement not covered" >    printObject,</span>
<span class="cstat-no" title="statement not covered" >    text: text || undefined</span>
<span class="cstat-no" title="statement not covered" >  };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 fermata 元素
 */
export <span class="fstat-no" title="function not covered" >function parseFermata(element: Element): Fermata {</span>
<span class="cstat-no" title="statement not covered" >  const type = getAttribute(element, 'type') as 'upright' | 'inverted' | undefined;</span>
<span class="cstat-no" title="statement not covered" >  const shape = element.textContent?.trim() as Fermata['shape'];</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return { type, shape };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 barline 元素
 */
export function parseBarline(element: Element): Barline {
  const location = getAttribute(element, 'location') as 'left' | 'right' | 'middle' | undefined;
  const barStyle = getTextContent(element, 'bar-style') as BarStyle | undefined;
  
  // repeat
  const repeatEl = getChild(element, 'repeat');
  const repeat = repeatEl ? parseRepeat(repeatEl<span class="branch-0 cbranch-no" title="branch not covered" >) : undefined;</span>
  
  // ending
  const endingEl = getChild(element, 'ending');
  const ending = <span class="branch-0 cbranch-no" title="branch not covered" >endingEl ? parseEnding(endingEl) : u</span>ndefined;
  
  // segno
  const segnoEl = getChild(element, 'segno');
  const segno = <span class="branch-0 cbranch-no" title="branch not covered" >segnoEl ? { id: getAttribute(segnoEl, 'id') } : u</span>ndefined;
  
  // coda
  const codaEl = getChild(element, 'coda');
  const coda = <span class="branch-0 cbranch-no" title="branch not covered" >codaEl ? { id: getAttribute(codaEl, 'id') } : u</span>ndefined;
  
  // fermata（可能有多个）
  const fermataElements = getChildren(element, 'fermata');
  const fermata = fermataElements.length &gt; <span class="branch-0 cbranch-no" title="branch not covered" >0 </span>
<span class="cstat-no" title="statement not covered" >    ? fermataElements.map(parseFermata) </span>
    : undefined;
  
  // wavy-line
  const wavyLineEl = getChild(element, 'wavy-line');
  const wavyLine = <span class="branch-0 cbranch-no" title="branch not covered" >wavyLineEl </span>
<span class="cstat-no" title="statement not covered" >    ? { type: getAttribute(wavyLineEl, 'type') as 'start' | 'stop' | 'continue' }</span>
    : undefined;
  
  return new Barline({
    location,
    barStyle,
    repeat,
    ending,
    segno,
    coda,
    fermata,
    wavyLine
  });
}
&nbsp;
/**
 * 解析 harmony 元素中的 root
 */
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function parseHarmonyRoot(element: Element): HarmonyRoot {</span></span>
<span class="cstat-no" title="statement not covered" >  const rootStep = getTextContent(element, 'root-step') as StepName;</span>
<span class="cstat-no" title="statement not covered" >  const rootAlter = getNumberContent(element, 'root-alter') as AlterationType | undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return { rootStep, rootAlter };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 harmony 元素中的 bass
 */
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function parseHarmonyBass(element: Element): HarmonyBass {</span></span>
<span class="cstat-no" title="statement not covered" >  const bassStep = getTextContent(element, 'bass-step') as StepName;</span>
<span class="cstat-no" title="statement not covered" >  const bassAlter = getNumberContent(element, 'bass-alter') as AlterationType | undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return { bassStep, bassAlter };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 harmony 元素中的 degree
 */
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function parseHarmonyDegree(element: Element): HarmonyDegree {</span></span>
<span class="cstat-no" title="statement not covered" >  const degreeValue = getIntContent(element, 'degree-value') ?? 0;</span>
<span class="cstat-no" title="statement not covered" >  const degreeAlter = getNumberContent(element, 'degree-alter') as AlterationType | undefined;</span>
<span class="cstat-no" title="statement not covered" >  const degreeType = getTextContent(element, 'degree-type') as DegreeType;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return { degreeValue, degreeAlter, degreeType };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 frame-note 元素
 */
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function parseFrameNote(element: Element): FrameNote {</span></span>
<span class="cstat-no" title="statement not covered" >  const string = getIntContent(element, 'string') ?? 1;</span>
<span class="cstat-no" title="statement not covered" >  const fret = getIntContent(element, 'fret') ?? 0;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  const fingeringEl = getChild(element, 'fingering');</span>
<span class="cstat-no" title="statement not covered" >  const fingering = fingeringEl </span>
<span class="cstat-no" title="statement not covered" >    ? { finger: fingeringEl.textContent?.trim() ?? '' }</span>
<span class="cstat-no" title="statement not covered" >    : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  const barreEl = getChild(element, 'barre');</span>
<span class="cstat-no" title="statement not covered" >  const barre = barreEl </span>
<span class="cstat-no" title="statement not covered" >    ? { type: getAttribute(barreEl, 'type') as 'start' | 'stop' }</span>
<span class="cstat-no" title="statement not covered" >    : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return { string, fret, fingering, barre };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 frame 元素
 */
<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >function parseFrame(element: Element): Frame {</span></span>
<span class="cstat-no" title="statement not covered" >  const frameStrings = getIntContent(element, 'frame-strings');</span>
<span class="cstat-no" title="statement not covered" >  const frameFrets = getIntContent(element, 'frame-frets');</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // first-fret</span>
<span class="cstat-no" title="statement not covered" >  const firstFretEl = getChild(element, 'first-fret');</span>
<span class="cstat-no" title="statement not covered" >  const firstFret = firstFretEl ? {</span>
<span class="cstat-no" title="statement not covered" >    value: parseInt(firstFretEl.textContent ?? '1', 10),</span>
<span class="cstat-no" title="statement not covered" >    text: getAttribute(firstFretEl, 'text'),</span>
<span class="cstat-no" title="statement not covered" >    location: getAttribute(firstFretEl, 'location') as 'left' | 'right' | undefined</span>
<span class="cstat-no" title="statement not covered" >  } : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // frame-notes</span>
<span class="cstat-no" title="statement not covered" >  const frameNoteElements = getChildren(element, 'frame-note');</span>
<span class="cstat-no" title="statement not covered" >  const frameNotes = frameNoteElements.length &gt; 0</span>
<span class="cstat-no" title="statement not covered" >    ? frameNoteElements.map(parseFrameNote)</span>
<span class="cstat-no" title="statement not covered" >    : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return { frameStrings, frameFrets, firstFret, frameNotes };</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;
/**
 * 解析 harmony 元素
 */
export <span class="fstat-no" title="function not covered" >function parseHarmony(element: Element): Harmony {</span>
<span class="cstat-no" title="statement not covered" >  // root</span>
<span class="cstat-no" title="statement not covered" >  const rootEl = getChild(element, 'root');</span>
<span class="cstat-no" title="statement not covered" >  const root = rootEl ? parseHarmonyRoot(rootEl) : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // numeral（数字低音）</span>
<span class="cstat-no" title="statement not covered" >  const numeralEl = getChild(element, 'numeral');</span>
<span class="cstat-no" title="statement not covered" >  const numeral = numeralEl ? {</span>
<span class="cstat-no" title="statement not covered" >    value: getIntContent(numeralEl, 'numeral-root') ?? 0,</span>
<span class="cstat-no" title="statement not covered" >    text: getTextContent(numeralEl, 'numeral-text')</span>
<span class="cstat-no" title="statement not covered" >  } : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // kind</span>
<span class="cstat-no" title="statement not covered" >  const kindEl = getChild(element, 'kind');</span>
<span class="cstat-no" title="statement not covered" >  const kind = kindEl?.textContent?.trim() as HarmonyKind | undefined;</span>
<span class="cstat-no" title="statement not covered" >  const kindText = kindEl ? getAttribute(kindEl, 'text') : undefined;</span>
<span class="cstat-no" title="statement not covered" >  const kindBracket = kindEl ? getAttribute(kindEl, 'use-symbols') === 'yes' : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // degrees</span>
<span class="cstat-no" title="statement not covered" >  const degreeElements = getChildren(element, 'degree');</span>
<span class="cstat-no" title="statement not covered" >  const degrees = degreeElements.length &gt; 0</span>
<span class="cstat-no" title="statement not covered" >    ? degreeElements.map(parseHarmonyDegree)</span>
<span class="cstat-no" title="statement not covered" >    : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // bass</span>
<span class="cstat-no" title="statement not covered" >  const bassEl = getChild(element, 'bass');</span>
<span class="cstat-no" title="statement not covered" >  const bass = bassEl ? parseHarmonyBass(bassEl) : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // frame</span>
<span class="cstat-no" title="statement not covered" >  const frameEl = getChild(element, 'frame');</span>
<span class="cstat-no" title="statement not covered" >  const frame = frameEl ? parseFrame(frameEl) : undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // offset</span>
<span class="cstat-no" title="statement not covered" >  const offset = getIntContent(element, 'offset');</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // staff</span>
<span class="cstat-no" title="statement not covered" >  const staff = getIntContent(element, 'staff');</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // type</span>
<span class="cstat-no" title="statement not covered" >  const type = getAttribute(element, 'type') as 'explicit' | 'implied' | 'alternate' | 'none' | undefined;</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  // print attributes</span>
<span class="cstat-no" title="statement not covered" >  const printFrame = getAttribute(element, 'print-frame') !== 'no';</span>
<span class="cstat-no" title="statement not covered" >  const printObject = getAttribute(element, 'print-object') !== 'no';</span>
<span class="cstat-no" title="statement not covered" >  </span>
<span class="cstat-no" title="statement not covered" >  return new Harmony({</span>
<span class="cstat-no" title="statement not covered" >    root,</span>
<span class="cstat-no" title="statement not covered" >    numeral,</span>
<span class="cstat-no" title="statement not covered" >    kind,</span>
<span class="cstat-no" title="statement not covered" >    kindText,</span>
<span class="cstat-no" title="statement not covered" >    kindBracket,</span>
<span class="cstat-no" title="statement not covered" >    degrees,</span>
<span class="cstat-no" title="statement not covered" >    bass,</span>
<span class="cstat-no" title="statement not covered" >    frame,</span>
<span class="cstat-no" title="statement not covered" >    offset,</span>
<span class="cstat-no" title="statement not covered" >    staff,</span>
<span class="cstat-no" title="statement not covered" >    type,</span>
<span class="cstat-no" title="statement not covered" >    printFrame,</span>
<span class="cstat-no" title="statement not covered" >    printObject</span>
<span class="cstat-no" title="statement not covered" >  });</span>
<span class="cstat-no" title="statement not covered" >}</span>
&nbsp;</pre></td></tr></table></pre>

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