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zip upload: Read project name from title in zip contents GitOrigin-RevId: 27122674a0374f86a10c04485d787f4caaf21f5b
25 lines
1.1 KiB
CoffeeScript
25 lines
1.1 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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ESCAPED_BRACES = /\\([{}\[\]])/g
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for line in DocumentHelper._getLinesFromContent(content, maxContentToScan)
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match = line.match(TITLE_WITH_SQUARE_BRACES) || line.match(TITLE_WITH_CURLY_BRACES)
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if match?
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return match[1].replace(ESCAPED_BRACES, (br)->br[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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_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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