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Code Issues Releases Wiki Activity

allow detect code block or not in escapeHtml function

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Nguyễn Việt Hưng
2018-07-06 23:45:18 +07:00
parent 9cc7b8bcc6
commit bc640834cd
2 changed files with 18 additions and 16 deletions
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2
browser/components/MarkdownPreview.js
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@@ -219,7 +219,7 @@ export default class MarkdownPreview extends React.Component {
const {fontFamily, fontSize, codeBlockFontFamily, lineNumber, codeBlockTheme, scrollPastEnd, theme, allowCustomCSS, customCSS} = this.getStyleParams()
const inlineStyles = buildStyle(fontFamily, fontSize, codeBlockFontFamily, lineNumber, scrollPastEnd, theme, allowCustomCSS, customCSS)
let body = this.markdown.render(escapeHtmlCharacters(noteContent))
let body = this.markdown.render(escapeHtmlCharacters(noteContent, { detectCodeBlock: true }))
const files = [this.GetCodeThemeLink(codeBlockTheme), ...CSS_FILES]
const attachmentsAbsolutePaths = attachmentManagement.getAbsolutePathsOfAttachmentsInContent(noteContent, this.props.storagePath)

32
browser/lib/utils.js
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@@ -6,7 +6,7 @@ export function lastFindInArray (array, callback) {
}
}
export function escapeHtmlCharacters (html) {
export function escapeHtmlCharacters (html, opt = { detectCodeBlock: false }) {
const matchHtmlRegExp = /["'&<>]/g
const escapes = ['&quot;', '&amp;', '&#39;', '&lt;', '&gt;']
let match = null
@@ -18,20 +18,22 @@ export function escapeHtmlCharacters (html) {
// detecting code block
while ((match = matchHtmlRegExp.exec(html)) != null) {
const current = { char: match[0], index: match.index }
// position of the nearest line start
let previousLineEnd = current.index - 1
while (html[previousLineEnd] !== '\n' && previousLineEnd !== -1) {
previousLineEnd--
}
// 4 spaces means this character is in a code block
if (
html[previousLineEnd + 1] === ' ' &&
html[previousLineEnd + 2] === ' ' &&
html[previousLineEnd + 3] === ' ' &&
html[previousLineEnd + 4] === ' '
) {
// so skip it
continue
if (opt.detectCodeBlock) {
// position of the nearest line start
let previousLineEnd = current.index - 1
while (html[previousLineEnd] !== '\n' && previousLineEnd !== -1) {
previousLineEnd--
}
// 4 spaces means this character is in a code block
if (
html[previousLineEnd + 1] === ' ' &&
html[previousLineEnd + 2] === ' ' &&
html[previousLineEnd + 3] === ' ' &&
html[previousLineEnd + 4] === ' '
) {
// so skip it
continue
}
}
// otherwise, escape it !!!
if (current.char === '&') {