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e42a3d1dc5
Handle embedded commands when parsing project name from title GitOrigin-RevId: 09c1720897056a40d38b4f2f80f9d48caad4258b
34 lines
1.4 KiB
CoffeeScript
34 lines
1.4 KiB
CoffeeScript
module.exports = DocumentHelper =
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getTitleFromTexContent: (content, maxContentToScan = 30000) ->
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TITLE_WITH_CURLY_BRACES = /\\[tT]itle\*?\s*{([^}]+)}/
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TITLE_WITH_SQUARE_BRACES = /\\[tT]itle\s*\[([^\]]+)\]/
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for line in DocumentHelper._getLinesFromContent(content, maxContentToScan)
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if match = line.match(TITLE_WITH_CURLY_BRACES) || line.match(TITLE_WITH_SQUARE_BRACES)
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return DocumentHelper.detex(match[1])
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return null
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contentHasDocumentclass: (content, maxContentToScan = 30000) ->
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for line in DocumentHelper._getLinesFromContent(content, maxContentToScan)
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# We've had problems with this regex locking up CPU.
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# Previously /.*\\documentclass/ would totally lock up on lines of 500kb (data text files :()
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# This regex will only look from the start of the line, including whitespace so will return quickly
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# regardless of line length.
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return true if line.match /^\s*\\documentclass/
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return false
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detex: (string) ->
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return string.replace(/\\LaTeX/g, 'LaTeX')
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.replace(/\\TeX/g, 'TeX')
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.replace(/\\TikZ/g, 'TikZ')
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.replace(/\\BibTeX/g, 'BibTeX')
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.replace(/\\\[[A-Za-z0-9. ]*\]/g, ' ') # line spacing
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.replace(/\\(?:[a-zA-Z]+|.|)/g, '')
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.replace(/{}|~/g, ' ')
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.replace(/[${}]/g, '')
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.replace(/ +/g, ' ')
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.trim()
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_getLinesFromContent: (content, maxContentToScan) ->
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return if typeof content is 'string' then content.substring(0, maxContentToScan).split("\n") else content
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