import * as CFI from '../epubcfi.js' const parser = new DOMParser() const XML = str => parser.parseFromString(str, 'application/xml') const XHTML = str => parser.parseFromString(str, 'application/xhtml+xml') { // example from EPUB CFI spec const opf = XML(` … … … en `) const page = XHTML(` …

…

…

…

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xxxyyy0123456789

…

…

…

…

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`) // the exact same page with some text nodes removed, CDATA sections added, // and characters changed to entities const page2 = XHTML(` …

…

…

…

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xxxyyy4589

…

…

…

…

…

`) const a = opf.getElementById('chap01ref') const b = CFI.toElement(opf, CFI.parse('/6/4[chap01ref]')[0]) const c = CFI.toElement(opf, CFI.parse('/6/4')[0]) console.assert(a === b) console.assert(a === c) const test = page => { for (const cfi of [ '/4[body01]/10[para05]/3:10', '/4[body01]/16[svgimg]', '/4[body01]/10[para05]/1:0', '/4[body01]/10[para05]/2/1:0', '/4[body01]/10[para05]/2/1:3', ]) { const range = CFI.toRange(page, CFI.parse(cfi)) const a = CFI.fromRange(range) const b = `epubcfi(${cfi})` console.assert(a === b, `expected ${b}, got ${a}`) } for (let i = 0; i < 10; i++) { const cfi = `/4/10,/3:${i},/3:${i+1}` const range = CFI.toRange(page, CFI.parse(cfi)) const n = `${i}` console.assert(range.toString() === n, `expted ${n}, got ${range}`) } } test(page) test(page2) } { // special characters in ID assertions const opf = XML(` `) const a = opf.getElementById('chap0]!/1ref^') const b = CFI.toElement(opf, CFI.parse('/6/4[chap0^]!/1ref^^]')[0]) console.assert(a === b) const page = XHTML(` …

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xxxyyy0123456789

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`) for (const cfi of [ '/4[body0^]!/1^^]/10[para^]/0^,/5]/3:10', '/4[body0^]!/1^^]/16[s^]^[vgimg]', '/4[body0^]!/1^^]/10[para^]/0^,/5]/1:0', '/4[body0^]!/1^^]/10[para^]/0^,/5]/2/1:0', '/4[body0^]!/1^^]/10[para^]/0^,/5]/2/1:3', ]) { const range = CFI.toRange(page, CFI.parse(cfi)) const a = CFI.fromRange(range) const b = `epubcfi(${cfi})` console.assert(a === b, `expected ${b}, got ${a}`) } for (let i = 0; i < 10; i++) { const cfi = `/4[body0^]!/1^^]/10[para^]/0^,^/5],/3:${i},/3:${i+1}` const range = CFI.toRange(page, CFI.parse(cfi)) const n = `${i}` console.assert(range.toString() === n, `expted ${n}, got ${range}`) } } { for (const [a, b, c] of [ ['/6/4!/10', '/6/4!/10', 0], ['/6/4!/2/3:0', '/6/4!/2', 1], ['/6/4!/2/4/6/8/10/3:0', '/6/4!/4', -1], [ '/6/4[chap0^]!/1ref^^]!/4[body01^^]/10[para^]^,05^^]', '/6/4!/4/10', 0, ], [ '/6/4[chap0^]!/1ref^^]!/4[body01^^],/10[para^]^,05^^],/15:10[foo^]]', '/6/4!/4/12', -1, ], ]) { const x = CFI.compare(a, b) console.assert(x === c, `compare ${a} and ${b}, expected ${c}, got ${x}`) } }