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1283 lines (1135 loc) · 38 KB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><meta charset="utf-8">
<title>搜索</title>
<style>
* {
box-sizing: border-box;
}
html, body {
height: 100%;
}
body {
margin: 0;
padding: 12px 12px 16px;
font-family: "Microsoft YaHei", "Inter", sans-serif;
background: transparent;
color: #0f172a;
overflow-y: auto;
}
.search-container {
background: #ffffff;
border: 1px solid #e2e8f0;
border-radius: 12px;
padding: 16px;
box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}
.search-title {
font-size: 1.1rem;
font-weight: 600;
color: #0f172a;
margin-bottom: 12px;
}
.search-input-wrapper {
position: relative;
}
#keyword {
width: 100%;
padding: 10px 12px;
border: 1px solid #cbd5f5;
border-radius: 10px;
font-size: 14px;
background: #f8fafc;
transition: all 0.2s ease;
}
#keyword:focus {
border-color: #2563eb;
box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
background: #ffffff;
outline: none;
}
.search-help-bubble {
position: absolute;
top: calc(100% + 6px);
left: 0;
max-width: 360px;
padding: 10px 12px;
font-size: 12px;
line-height: 1.6;
color: #334155;
background: #f8fafc;
border: 1px solid #cbd5f5;
border-radius: 10px;
box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
opacity: 0;
pointer-events: none;
transform: translateY(-4px);
transition: opacity 0.18s ease, transform 0.18s ease;
z-index: 20;
}
.search-help-bubble strong {
color: #1d4ed8;
}
.search-help-bubble code {
background: #e0e7ff;
color: #1e3a8a;
border-radius: 4px;
padding: 1px 4px;
font-size: 11px;
}
.search-input-wrapper:hover .search-help-bubble,
.search-input-wrapper:focus-within .search-help-bubble {
opacity: 1;
transform: translateY(0);
}
.options-row {
display: flex;
align-items: center;
gap: 12px;
margin: 12px 0;
font-size: 12px;
color: #475569;
flex-wrap: wrap;
}
.checkbox-label {
display: inline-flex;
align-items: center;
gap: 6px;
cursor: pointer;
}
.checkbox-label input {
width: 14px;
height: 14px;
accent-color: #2563eb;
}
.filter-item {
display: inline-flex;
align-items: center;
gap: 6px;
}
.filter-label {
font-size: 12px;
color: #475569;
}
.filter-select {
min-width: 150px;
padding: 6px 10px;
border: 1px solid #cbd5f5;
border-radius: 10px;
background: #f8fafc;
font-size: 12px;
color: #1f2937;
}
.filter-select:focus {
outline: none;
border-color: #2563eb;
box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
background: #ffffff;
}
.btn-group {
display: flex;
gap: 10px;
}
.btn {
border: none;
border-radius: 8px;
padding: 8px 14px;
font-size: 12px;
font-weight: 600;
cursor: pointer;
transition: all 0.2s ease;
display: inline-flex;
align-items: center;
gap: 6px;
}
.btn-primary {
background: #2563eb;
color: #ffffff;
}
.btn-primary:hover {
background: #1d4ed8;
}
.btn-secondary {
background: #e0e7ff;
color: #1e3a8a;
}
.btn-secondary:hover {
background: #c7d2fe;
}
.btn-ghost {
background: transparent;
color: #2563eb;
}
.btn-ghost:hover {
background: rgba(37, 99, 235, 0.08);
}
.results-wrapper {
margin-top: 14px;
background: #ffffff;
border: 1px solid #e2e8f0;
border-radius: 12px;
padding: 14px;
box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
}
.results-info {
display: none;
background: #eff6ff;
color: #1d4ed8;
font-size: 12px;
padding: 8px 10px;
border-radius: 8px;
margin-bottom: 10px;
}
.results-info strong {
font-weight: 700;
}
.results-list-container {
border: 1px solid #f1f5f9;
border-radius: 10px;
overflow: hidden;
}
.results-header {
display: grid;
grid-template-columns: 1.4fr 1fr;
background: #f8fafc;
padding: 10px 14px;
font-size: 12px;
font-weight: 600;
color: #64748b;
}
.results-list {
margin: 0;
padding: 0;
list-style: none;
max-height: 60vh;
overflow-y: auto;
}
.result-item {
display: grid;
grid-template-columns: 1.4fr 1fr;
gap: 12px;
align-items: center;
padding: 12px 14px;
font-size: 12px;
color: #1f2937;
border-bottom: 1px solid #f1f5f9;
cursor: pointer;
transition: background 0.15s ease;
}
.result-item:hover {
background: #eef2ff;
}
.result-item.selected {
background: #e0e7ff;
border-left: 3px solid #2563eb;
}
.result-main-title {
display: flex;
flex-direction: column;
gap: 4px;
}
.result-title-text {
font-weight: 600;
color: #111827;
line-height: 1.4;
}
.result-rank {
font-size: 11px;
font-weight: 500;
color: #1d4ed8;
background: rgba(37, 99, 235, 0.12);
padding: 2px 8px;
border-radius: 999px;
display: inline-flex;
width: fit-content;
}
.result-meta {
font-size: 12px;
color: #475569;
}
.empty-state {
list-style: none;
padding: 24px;
text-align: center;
color: #94a3b8;
font-size: 12px;
}
.empty-text {
line-height: 1.6;
}
::-webkit-scrollbar {
width: 8px;
}
::-webkit-scrollbar-thumb {
background: rgba(148, 163, 184, 0.6);
border-radius: 999px;
}
::-webkit-scrollbar-track {
background: transparent;
}
.preview-tooltip {
position: fixed;
top: -9999px;
left: -9999px;
max-width: 420px;
width: min(420px, 45vw);
background: #111827;
color: #f8fafc;
border-radius: 10px;
padding: 12px;
box-shadow: 0 12px 28px rgba(15, 23, 42, 0.3);
font-size: 12px;
line-height: 1.6;
z-index: 9999;
pointer-events: none;
opacity: 0;
transition: opacity 0.15s ease;
}
.preview-tooltip.visible {
opacity: 1;
}
.preview-tooltip__title {
font-weight: 600;
margin-bottom: 6px;
color: #cbd5f5;
}
.preview-tooltip__content {
max-height: 260px;
overflow-y: auto;
white-space: pre-wrap;
}
.preview-tooltip__content mark {
background: rgba(37, 99, 235, 0.6);
color: #ffffff;
border-radius: 4px;
padding: 0 2px;
}
.preview-tooltip__empty {
color: #94a3b8;
}
.server-error {
background: #fee2e2;
color: #991b1b;
border-radius: 10px;
padding: 14px;
margin: 16px;
border: 1px solid #fecaca;
font-size: 12px;
}
</style>
<script>
var words = [];
var lastResultIndexes = [];
var previewTooltip;
var previewTitleElem;
var previewContentElem;
var categorySelect;
var cachedCategories = [];
var API_BASE = "https://5echmsearch.kagangtuya.top"
var highlightRequestId = 0;
var pendingContentLoadCleanup;
function searchLog(message, detail) {
return;
}
function searchFrameContext() {
try {
return {
name: window.name || '',
href: window.location.href,
parentName: window.parent && window.parent.name || '',
topName: window.top && window.top.name || ''
};
} catch (e) {
return { error: String(e && e.message || e) };
}
}
function postSearchBridge(url, requestId) {
try {
var receiver = window.parent;
if (!receiver || !receiver.postMessage) return;
receiver.postMessage({
type: 'webhelp-search-navigate',
url: url,
words: words.slice(),
requestId: requestId
}, '*');
searchLog('bridge message sent', { requestId: requestId, url: url });
} catch (e) {
searchLog('bridge message failed', { requestId: requestId, error: String(e && e.message || e) });
}
}
function resolveContentUrl(url) {
try {
var link = document.createElement('a');
link.href = url;
return link.href;
} catch (e) {
return url;
}
}
if (window.addEventListener) {
window.addEventListener('message', function(event) {
var data = event && event.data;
if (data && data.type === 'webhelp-search-highlighted') {
searchLog('bridge highlight complete', data);
}
}, false);
searchLog('search bridge ready');
}
function extractHighlightTerms(input) {
if (!input) return [];
var terms = [];
var regex = /"([^"]+)"|(\S+)/g;
var match;
while ((match = regex.exec(input)) !== null) {
var token = match[1] || match[2] || '';
if (!token) continue;
token.split('|').forEach(function(part) {
var cleaned = part.trim();
if (!cleaned) return;
terms.push(cleaned);
});
}
return terms;
}
async function SearchIt() {
await executeSearch(false);
}
async function SearchWithinResults() {
if (!lastResultIndexes.length) {
renderMessage('请先执行一次完整搜索再使用结果内搜索', true);
return;
}
await executeSearch(true);
}
async function executeSearch(searchWithin) {
var keyword = document.getElementById('keyword').value.trim();
if (!keyword) {
renderMessage('请输入关键词后再搜索', true);
return;
}
var titleOnly = document.getElementById('titleOnly').checked;
var categoryValue = categorySelect ? (categorySelect.value || 'all') : 'all';
renderMessage('正在搜索，请稍候…', true);
words = extractHighlightTerms(keyword);
var params = new URLSearchParams({
keyword: keyword,
titleOnly: titleOnly,
page: 1,
pageSize: 100
});
params.set('category', categoryValue);
if (searchWithin) {
params.set('baseIndexes', lastResultIndexes.join(','));
}
try {
var response = await fetch(API_BASE + '/api/search?' + params.toString());
if (!response.ok) {
throw new Error('搜索失败');
}
var data = await response.json();
displayResults(data);
} catch (e) {
console.error('API 搜索失败:', e);
lastResultIndexes = [];
renderMessage('搜索失败，请确认后端已运行 `node server.js`', true);
}
}
function displayResults(data) {
var listElem = document.getElementById('resultsList');
listElem.innerHTML = '';
if (data.results && data.results.length > 0) {
lastResultIndexes = data.results.map(function(item) { return item.index; });
document.getElementById('resultsCount').textContent = data.total;
document.getElementById('resultsInfo').style.display = 'block';
data.results.forEach(function(item, idx) {
var li = document.createElement('li');
li.className = 'result-item' + (idx === 0 ? ' selected' : '');
var sourcePath = resolveSourcePath(item);
var displayTitle = resolveTitle(item, sourcePath);
li.dataset.url = item.path || '';
li.dataset.title = displayTitle;
li.dataset.source = sourcePath;
li.dataset.category = item.category || '';
li._previewText = resolvePreviewText(item);
var titleCell = document.createElement('div');
titleCell.className = 'result-main-title';
var titleText = document.createElement('div');
titleText.className = 'result-title-text';
titleText.textContent = displayTitle;
var rankBadge = document.createElement('div');
rankBadge.className = 'result-rank';
rankBadge.textContent = '相关度 ' + item.rank;
titleCell.appendChild(titleText);
titleCell.appendChild(rankBadge);
var sourceCell = document.createElement('div');
sourceCell.className = 'result-meta';
var metaParts = [];
if (item.category) {
metaParts.push(item.category);
}
if (sourcePath) {
metaParts.push(sourcePath);
}
sourceCell.textContent = metaParts.join(' · ') || '—';
li.appendChild(titleCell);
li.appendChild(sourceCell);
li.addEventListener('click', function(event) {
selectItem(li, event);
if (li.dataset.url) {
hidePreview();
viewItem(li.dataset.url);
}
});
li.addEventListener('mouseenter', function(event) {
showPreview(li, event);
});
li.addEventListener('mousemove', movePreview);
li.addEventListener('mouseleave', hidePreview);
listElem.appendChild(li);
});
var first = listElem.querySelector('.result-item');
if (first) {
selectItem(first, null);
}
} else {
lastResultIndexes = [];
document.getElementById('resultsInfo').style.display = 'none';
renderMessage('未找到相关结果，请尝试调整关键词', true);
}
}
function showPreview(elem, event) {
if (!previewTooltip) return;
var title = (elem.dataset.title || '预览').trim();
var snippet = (elem._previewText || '').trim();
previewTitleElem.textContent = title || '预览';
if (snippet) {
previewContentElem.classList.remove('preview-tooltip__empty');
previewContentElem.innerHTML = renderSnippet(snippet);
} else {
previewContentElem.classList.add('preview-tooltip__empty');
previewContentElem.textContent = '暂无可预览的内容片段';
}
previewTooltip.classList.add('visible');
var baselineY;
if (event && typeof event.clientY === 'number') {
baselineY = event.clientY;
} else {
var rect = elem.getBoundingClientRect();
baselineY = rect.top + rect.height / 2;
}
positionPreview(baselineY);
}
function movePreview(event) {
if (!previewTooltip || !previewTooltip.classList.contains('visible')) return;
positionPreview(event.clientY);
}
function hidePreview() {
if (!previewTooltip) return;
previewTooltip.classList.remove('visible');
previewTooltip.style.left = '-9999px';
previewTooltip.style.top = '-9999px';
}
function positionPreview(cursorY) {
if (!previewTooltip) return;
var tooltip = previewTooltip;
var padding = 16;
var tooltipWidth = tooltip.offsetWidth;
var tooltipHeight = tooltip.offsetHeight;
var targetX = window.innerWidth - tooltipWidth - padding;
var targetY = typeof cursorY === 'number' ? cursorY - tooltipHeight / 2 : (window.innerHeight - tooltipHeight) / 2;
targetY = Math.max(padding, Math.min(window.innerHeight - tooltipHeight - padding, targetY));
tooltip.style.left = targetX + 'px';
tooltip.style.top = targetY + 'px';
}
function renderSnippet(snippet) {
var truncated = snippet.length > 900 ? snippet.slice(0, 900) + '…' : snippet;
var safeSnippet = escapeHtml(truncated || '');
words.forEach(function(word) {
var escaped = escapeRegExp(word);
if (!escaped) return;
var regex = new RegExp(escaped, 'gi');
safeSnippet = safeSnippet.replace(regex, function(match) {
return '<mark>' + match + '</mark>';
});
});
return safeSnippet
.replace(/\r\n/g, '<br>')
.replace(/\r/g, '<br>')
.replace(/\n/g, '<br>');
}
function renderMessage(message, clearPreview) {
document.getElementById('resultsInfo').style.display = 'none';
var listElem = document.getElementById('resultsList');
listElem.innerHTML = '<li class="empty-state"><div class="empty-text">' + escapeHtml(message) + '</div></li>';
if (clearPreview) {
hidePreview();
}
}
function getContentWindow() {
var current;
try {
// Search page may sit inside nav -> webhelpframe -> main frames.
// Start here, then walk parents until the sibling content frame appears.
current = window;
} catch (e) {
current = window;
}
for (var depth = 0; current && depth < 12; depth++) {
try {
var namedContent = current.frames && current.frames['content'];
if (namedContent && namedContent.document) {
searchLog('content frame found by name', { depth: depth, name: current.name || '' });
return namedContent;
}
} catch (namedFrameError) {
searchLog('named content lookup failed', { depth: depth, error: String(namedFrameError && namedFrameError.message || namedFrameError) });
}
try {
var ownerDocument = current.document;
var frame = ownerDocument && ownerDocument.getElementById('content');
if (!frame && ownerDocument && ownerDocument.getElementsByName) {
var namedFrames = ownerDocument.getElementsByName('content');
frame = namedFrames && namedFrames[0];
}
if (frame && frame.contentWindow && frame.contentWindow.document) {
searchLog('content frame found by DOM', { depth: depth, name: current.name || '' });
return frame.contentWindow;
}
if (!current.parent || current.parent === current) break;
current = current.parent;
} catch (e2) {
searchLog('parent frame walk failed', { depth: depth, error: String(e2 && e2.message || e2) });
break;
}
}
searchLog('content frame walk exhausted');
return null;
}
function getContentFrame() {
var contentWin = getContentWindow();
if (!contentWin) return null;
try {
var ownerDocument = contentWin.frameElement && contentWin.frameElement.ownerDocument;
return ownerDocument ? contentWin.frameElement : null;
} catch (e) {
return null;
}
}
function contentLocationMatches(contentWin, expectedUrl) {
if (!contentWin || !expectedUrl) return true;
try {
var expectedLink = document.createElement('a');
expectedLink.href = expectedUrl;
var expectedPath = (expectedLink.pathname || '').replace(/\/$/, '');
var currentPath = (contentWin.location.pathname || '').replace(/\/$/, '');
if (!expectedPath || !currentPath) return true;
var expectedDecoded = decodeURIComponent(expectedPath).toLowerCase();
var currentDecoded = decodeURIComponent(currentPath).toLowerCase();
return currentDecoded === expectedDecoded ||
currentDecoded.slice(-expectedDecoded.length - 1) === '/' + expectedDecoded;
} catch (e) {
return true;
}
}
function clearContentHighlights(contentDoc) {
if (!contentDoc) return;
var state = contentDoc.__searchHighlightState;
if (state && state.keydownHandler) {
contentDoc.removeEventListener('keydown', state.keydownHandler);
}
var navigator = contentDoc.getElementById('searchHighlightNavigator');
if (navigator && navigator.parentNode) {
navigator.parentNode.removeChild(navigator);
}
var marks = contentDoc.querySelectorAll('mark[data-search-highlight="true"]');
for (var i = 0; i < marks.length; i++) {
var mark = marks[i];
if (mark.parentNode) {
mark.parentNode.replaceChild(contentDoc.createTextNode(mark.textContent || ''), mark);
}
}
contentDoc.__searchHighlightState = null;
}
function ensureContentHighlightStyle(contentDoc) {
if (!contentDoc || !contentDoc.head) return;
if (contentDoc.getElementById('searchHighlightStyle')) return;
var style = contentDoc.createElement('style');
style.id = 'searchHighlightStyle';
style.textContent =
'mark[data-search-highlight="true"] {' +
' background: #fde68a; color: inherit; padding: 1px 2px; border-radius: 2px;' +
' font-weight: 500;' +
'}' +
'#searchHighlightNavigator {' +
' position: fixed; top: 12px; right: 16px; z-index: 2147483647;' +
' display: flex; align-items: center; gap: 6px; padding: 6px 8px;' +
' border: 1px solid rgba(148, 163, 184, .55); border-radius: 8px;' +
' background: rgba(255, 255, 255, .96); color: #1e293b;' +
' box-shadow: 0 4px 14px rgba(15, 23, 42, .18);' +
' font: 12px/1.2 Arial, sans-serif;' +
'}' +
'#searchHighlightNavigator button {' +
' border: 0; border-radius: 5px; padding: 4px 7px; cursor: pointer;' +
' background: #e0e7ff; color: #1e3a8a; font: inherit;' +
'}' +
'#searchHighlightNavigator button:hover:not(:disabled) { background: #c7d2fe; }' +
'#searchHighlightNavigator button:disabled { opacity: .45; cursor: default; }' +
'#searchHighlightNavigator .search-highlight-count {' +
' min-width: 42px; text-align: center; white-space: nowrap; font-weight: 600;' +
'}';
contentDoc.head.appendChild(style);
}
function updateHighlightNavigator(state) {
if (!state || !state.counter) return;
var total = state.marks.length;
state.counter.textContent = total ? (state.index + 1) + ' / ' + total : '未找到';
state.previous.disabled = total < 2;
state.next.disabled = total < 2;
}
function jumpToHighlight(state, index, smooth) {
if (!state || !state.marks.length) return;
if (state.index >= 0 && state.marks[state.index]) {
state.marks[state.index].removeAttribute('data-search-active');
state.marks[state.index].style.background = '';
state.marks[state.index].style.color = '';
state.marks[state.index].style.outline = '';
}
state.index = (index + state.marks.length) % state.marks.length;
var mark = state.marks[state.index];
mark.setAttribute('data-search-active', 'true');
mark.style.background = '#f59e0b';
mark.style.color = '#111827';
mark.style.outline = '2px solid rgba(245, 158, 11, .45)';
updateHighlightNavigator(state);
try {
mark.scrollIntoView({
behavior: smooth ? 'smooth' : 'auto',
block: 'center',
inline: 'nearest'
});
} catch (e) {
mark.scrollIntoView(true);
}
}
function createHighlightNavigator(contentDoc, marks) {
var navigator = contentDoc.createElement('div');
navigator.id = 'searchHighlightNavigator';
navigator.setAttribute('role', 'navigation');
navigator.setAttribute('aria-label', '搜索关键词导航');
var previous = contentDoc.createElement('button');
previous.type = 'button';
previous.textContent = '上一个';
previous.setAttribute('aria-label', '上一个关键词');
var counter = contentDoc.createElement('span');
counter.className = 'search-highlight-count';
var next = contentDoc.createElement('button');
next.type = 'button';
next.textContent = '下一个';
next.setAttribute('aria-label', '下一个关键词');
navigator.appendChild(previous);
navigator.appendChild(counter);
navigator.appendChild(next);
contentDoc.body.appendChild(navigator);
var state = {
marks: marks,
index: -1,
navigator: navigator,
previous: previous,
next: next,
counter: counter,
keydownHandler: null
};
previous.addEventListener('click', function() {
jumpToHighlight(state, state.index - 1, true);
});
next.addEventListener('click', function() {
jumpToHighlight(state, state.index + 1, true);
});
state.keydownHandler = function(event) {
if (!event.altKey || (event.key !== 'ArrowUp' && event.key !== 'ArrowDown')) return;
event.preventDefault();
jumpToHighlight(state, state.index + (event.key === 'ArrowUp' ? -1 : 1), true);
};
contentDoc.addEventListener('keydown', state.keydownHandler);
updateHighlightNavigator(state);
return state;
}
function highlightInContent(requestId, expectedUrl) {
if (words.length === 0) return;
var attempts = 0;
var maxAttempts = 30;
searchLog('highlight scheduled', { requestId: requestId, expectedUrl: expectedUrl, words: words });
function retry() {
if (requestId && requestId !== highlightRequestId) return;
attempts++;
if (attempts >= maxAttempts) return;
if (attempts === 1 || attempts % 5 === 0) {
searchLog('highlight retry', { requestId: requestId, attempts: attempts });
}
setTimeout(tryHighlight, 200);
}
function tryHighlight() {
if (requestId && requestId !== highlightRequestId) return;
try {
var contentWin = getContentWindow();
if (!contentWin) {
if (attempts === 0 || attempts % 5 === 0) searchLog('content frame not found', { requestId: requestId, attempts: attempts });
retry();
return;
}
var contentDoc = contentWin.document;
if (!contentDoc || !contentDoc.body || contentDoc.readyState === 'loading') {
if (attempts === 0 || attempts % 5 === 0) {
searchLog('content document not ready', {
requestId: requestId,
attempts: attempts,
readyState: contentDoc && contentDoc.readyState,
href: contentWin.location && contentWin.location.href
});
}
retry();
return;
}
if (!contentLocationMatches(contentWin, expectedUrl)) {
if (attempts === 0 || attempts % 5 === 0) {
searchLog('content URL mismatch', {
requestId: requestId,
attempts: attempts,
expectedUrl: expectedUrl,
actualUrl: contentWin.location.href
});
}
retry();
return;
}
clearContentHighlights(contentDoc);
ensureContentHighlightStyle(contentDoc);
var terms = words.filter(function(word, index, list) {
return word && list.indexOf(word) === index;
}).sort(function(a, b) {
return b.length - a.length;
});
if (!terms.length) return;
var regex = new RegExp('(' + terms.map(escapeRegExp).join('|') + ')', 'gi');
var walker = contentDoc.createTreeWalker(contentDoc.body, NodeFilter.SHOW_TEXT, null, false);
var nodesToProcess = [];
var node;
while ((node = walker.nextNode())) {
var tagName = node.parentNode && node.parentNode.tagName;
if (tagName !== 'SCRIPT' && tagName !== 'STYLE' && tagName !== 'NOSCRIPT' && tagName !== 'MARK') {
nodesToProcess.push(node);
}
}
nodesToProcess.forEach(function(textNode) {
var text = textNode.nodeValue || '';
regex.lastIndex = 0;
var match;
var lastIndex = 0;
var fragment = contentDoc.createDocumentFragment();
var found = false;
while ((match = regex.exec(text)) !== null) {
found = true;
if (match.index > lastIndex) {
fragment.appendChild(contentDoc.createTextNode(text.slice(lastIndex, match.index)));
}
var mark = contentDoc.createElement('mark');
mark.setAttribute('data-search-highlight', 'true');
mark.textContent = match[0];
fragment.appendChild(mark);
lastIndex = match.index + match[0].length;
if (match[0].length === 0) regex.lastIndex++;
}
if (!found) return;
if (lastIndex < text.length) {
fragment.appendChild(contentDoc.createTextNode(text.slice(lastIndex)));
}
textNode.parentNode.replaceChild(fragment, textNode);
});
var marks = Array.prototype.slice.call(contentDoc.querySelectorAll('mark[data-search-highlight="true"]'));
var state = createHighlightNavigator(contentDoc, marks);
contentDoc.__searchHighlightState = state;
searchLog('highlight complete', {
requestId: requestId,
href: contentWin.location.href,
terms: terms,
matches: marks.length
});
if (marks.length) {
jumpToHighlight(state, 0, false);
}
} catch (e) {
if (attempts === 0 || attempts % 5 === 0) {
searchLog('highlight exception', { requestId: requestId, attempts: attempts, error: String(e && e.message || e) });
}
retry();
}
}
setTimeout(tryHighlight, 0);
}
function viewSelected() {
var selected = document.querySelector('.result-item.selected');
if (selected) {
var url = selected.dataset.url;
if (url) {