import JSZip from 'jszip'
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const resultTablePattern = /<w:tbl(?:\s[^>]*)?>[\s\S]*?<\/w:tbl>/g
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const floatingPositionPattern = /<w:tblpPr\b[^>]*\/>/
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const tableIndentPattern = /<w:tblInd\b[^>]*\/>/
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const runFontsPattern = /<w:rFonts\b[^>]*\/>/g
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function alignReportHeader(xml, reportCode) {
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// 旧检验报告把页码放在浮动文本框中；SuperDoc 重新分页时会丢失 Word 的横向锚点。
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// 保留报告编号的所有 Word runs（模板填充值可能被拆到下一 run），只重建页码段落。
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if (!xml.includes('报告编号') || !/\bPAGE\b/.test(xml) || !/\bNUMPAGES\b/.test(xml)) return null
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const wordNamespace = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
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const document = new DOMParser().parseFromString(xml, 'application/xml')
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const header = document.documentElement
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if (header.localName !== 'hdr' || document.getElementsByTagName('parsererror').length) return null
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const children = node => Array.from(node.childNodes).filter(child => child.nodeType === 1)
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const paragraphs = children(header).filter(node => node.localName === 'p')
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const reportParagraph = paragraphs.find(paragraph =>
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children(paragraph).some(run => run.localName === 'r' && run.textContent.includes('报告编号')))
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if (!reportParagraph) return null
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const reportRuns = children(reportParagraph).filter(node => node.localName === 'r')
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const labelIndex = reportRuns.findIndex(run => run.textContent.includes('报告编号'))
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if (labelIndex < 0) return null
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const reportText = reportRuns.slice(labelIndex).map(run => run.textContent).join('')
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const missingCode = !reportText.replace(/^.*?报告编号\s*[:：]\s*/, '').trim() && reportCode?.trim()
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const alreadyAligned = paragraphs.length === 2 && paragraphs[0] === reportParagraph
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&& !xml.includes('w:txbxContent')
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&& paragraphs[1].textContent.includes('第')
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if (alreadyAligned && !missingCode) return null
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const element = name => document.createElementNS(wordNamespace, `w:${name}`)
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const appendRun = (paragraph, name, value, preserveSpace = false) => {
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const run = element('r')
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const text = element(name)
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if (preserveSpace) text.setAttribute('xml:space', 'preserve')
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text.textContent = value
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run.appendChild(text)
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paragraph.appendChild(run)
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}
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const appendField = (paragraph, name, fallback) => {
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for (const kind of ['begin', 'separate', 'end']) {
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const run = element('r')
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const marker = element('fldChar')
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marker.setAttributeNS(wordNamespace, 'w:fldCharType', kind)
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run.appendChild(marker)
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paragraph.appendChild(run)
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if (kind === 'begin') appendRun(paragraph, 'instrText', ` ${name} `, true)
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if (kind === 'separate') appendRun(paragraph, 't', fallback)
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}
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}
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const alignedReport = element('p')
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const reportProperties = element('pPr')
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const reportJustification = element('jc')
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reportJustification.setAttributeNS(wordNamespace, 'w:val', 'right')
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reportProperties.appendChild(reportJustification)
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alignedReport.appendChild(reportProperties)
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for (const run of reportRuns.slice(labelIndex)) alignedReport.appendChild(run.cloneNode(true))
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if (missingCode) appendRun(alignedReport, 't', ` ${reportCode.trim()}`, true)
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const pageParagraph = element('p')
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const pageProperties = reportProperties.cloneNode(true)
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const indent = element('ind')
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indent.setAttributeNS(wordNamespace, 'w:right', '300')
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pageProperties.appendChild(indent)
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pageParagraph.appendChild(pageProperties)
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appendRun(pageParagraph, 't', '第 ', true)
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appendField(pageParagraph, 'PAGE', '1')
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appendRun(pageParagraph, 't', ' 页 共 ', true)
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appendField(pageParagraph, 'NUMPAGES', '4')
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appendRun(pageParagraph, 't', ' 页', true)
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while (header.firstChild) header.removeChild(header.firstChild)
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header.appendChild(alignedReport)
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header.appendChild(pageParagraph)
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return new XMLSerializer().serializeToString(document)
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}
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function chineseThemeFont(themeXml, kind) {
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const fontGroup = themeXml.match(new RegExp(`<a:${kind}Font\\b[^>]*>[\\s\\S]*?<\\/a:${kind}Font>`))?.[0]
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if (!fontGroup) return null
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// Word 按中文语言区域选 Hans；主题中的 a:ea 常为空，不能把它当成实际字体。
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const hansFont = [...fontGroup.matchAll(/<a:font\b[^>]*\/>/g)]
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.find(([tag]) => /\bscript="Hans"/.test(tag))?.[0]
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return hansFont?.match(/\btypeface="([^"]+)"/)?.[1]
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|| fontGroup.match(/<a:ea\b[^>]*\btypeface="([^"]+)"/)?.[1]
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|| null
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}
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function materializeChineseThemeFonts(xml, themeFonts) {
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let changed = false
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const normalized = xml.replace(runFontsPattern, tag => {
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let result = tag
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for (const script of ['ascii', 'hAnsi', 'eastAsia', 'cs']) {
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const themeAttribute = new RegExp(`\\s+w:${script}Theme="(majorEastAsia|minorEastAsia)"`)
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const theme = result.match(themeAttribute)?.[1]
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const font = theme === 'majorEastAsia' ? themeFonts.major : themeFonts.minor
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if (!font || !theme) continue
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// OOXML 中主题字体优先于同脚本的显式字体；解析成 Word 实际使用的字体。
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result = result.replace(themeAttribute, '')
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const directAttribute = new RegExp(`\\s+w:${script}="[^"]*"`)
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result = directAttribute.test(result)
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? result.replace(directAttribute, ` w:${script}="${font}"`)
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: result.replace(/\s*\/>$/, ` w:${script}="${font}"/>`)
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changed = true
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}
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return result
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})
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return changed ? normalized : null
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}
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function alignResultTable(xml) {
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let changed = false
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const documentXml = xml.replace(resultTablePattern, (table, offset) => {
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if (!table.includes('标准要求值') || !table.includes('检测结果')) return table
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const position = table.match(floatingPositionPattern)?.[0]
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if (!position?.includes('w:horzAnchor="page"')) return table
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// 旧版结果表使用相对页面的固定坐标；沿用前一张正文表的缩进才能保持同一左边线。
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const precedingTables = [...xml.slice(0, offset).matchAll(resultTablePattern)]
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const precedingIndent = precedingTables.reverse()
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.map(match => match[0].match(tableIndentPattern)?.[0]?.match(/w:w="(-?\d+)"/)?.[1])
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.find(value => value != null)
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const indent = precedingIndent ?? '-670'
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changed = true
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return table.replace(position, '').replace(tableIndentPattern,
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`<w:tblInd w:w="${indent}" w:type="dxa"/>`)
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})
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return changed ? documentXml : null
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}
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export async function normalizeReportDocxForEditor(blob, reportCode) {
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const zip = await JSZip.loadAsync(blob)
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const documentPart = zip.file('word/document.xml')
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if (!documentPart) return blob
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const documentXml = await documentPart.async('string')
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const themePart = zip.file('word/theme/theme1.xml')
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const themeXml = themePart ? await themePart.async('string') : ''
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const themeFonts = { major: chineseThemeFont(themeXml, 'major'), minor: chineseThemeFont(themeXml, 'minor') }
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let normalizedXml = alignResultTable(documentXml) || documentXml
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normalizedXml = materializeChineseThemeFonts(normalizedXml, themeFonts) || normalizedXml
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let changed = normalizedXml !== documentXml
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if (changed) zip.file('word/document.xml', normalizedXml)
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const stylesPart = zip.file('word/styles.xml')
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if (stylesPart) {
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const stylesXml = await stylesPart.async('string')
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const normalizedStyles = materializeChineseThemeFonts(stylesXml, themeFonts)
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if (normalizedStyles) {
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zip.file('word/styles.xml', normalizedStyles)
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changed = true
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}
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}
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const headerNames = Object.keys(zip.files).filter(name => /^word\/header\d+\.xml$/.test(name))
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for (const headerName of headerNames) {
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const headerXml = await zip.file(headerName).async('string')
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const normalizedHeader = alignReportHeader(headerXml, reportCode)
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if (normalizedHeader) {
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zip.file(headerName, normalizedHeader)
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changed = true
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}
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}
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if (!changed) return blob
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return zip.generateAsync({ type: 'blob', compression: 'DEFLATE' })
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}
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