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https://github.com/NanmiCoder/claude-code-haha.git
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程序员阿江(Relakkes)
22 lines
1.1 KiB
TypeScript
22 lines
1.1 KiB
TypeScript
// Valid ASCII PDF content, with byte offsets and stream length computed so
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// Write can replace it without binary transcoding or repairing the xref.
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export function asciiPDF(label: string): string {
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const stream = `BT /F1 20 Tf 60 760 Td (${label}) Tj ET\n`
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const objects = [
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'<< /Type /Catalog /Pages 2 0 R >>',
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'<< /Type /Pages /Kids [3 0 R] /Count 1 >>',
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'<< /Type /Page /Parent 2 0 R /MediaBox [0 0 595 842] /Resources << /Font << /F1 4 0 R >> >> /Contents 5 0 R >>',
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'<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>',
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`<< /Length ${Buffer.byteLength(stream)} >>\nstream\n${stream}endstream`,
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]
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let content = '%PDF-1.4\n'
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const offsets: number[] = []
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for (const [index, object] of objects.entries()) {
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offsets.push(Buffer.byteLength(content))
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content += `${index + 1} 0 obj\n${object}\nendobj\n`
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}
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const xref = Buffer.byteLength(content)
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content += `xref\n0 6\n0000000000 65535 f \n${offsets.map(offset => `${String(offset).padStart(10, '0')} 00000 n \n`).join('')}`
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return `${content}trailer\n<< /Size 6 /Root 1 0 R >>\nstartxref\n${xref}\n%%EOF\n`
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}
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