mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-29 22:41:35 -05:00
210 lines
8.4 KiB
CoffeeScript
210 lines
8.4 KiB
CoffeeScript
ResourceWriter = require "./ResourceWriter"
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LatexRunner = require "./LatexRunner"
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OutputFileFinder = require "./OutputFileFinder"
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OutputCacheManager = require "./OutputCacheManager"
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Settings = require("settings-sharelatex")
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Path = require "path"
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logger = require "logger-sharelatex"
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Metrics = require "./Metrics"
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child_process = require "child_process"
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DraftModeManager = require "./DraftModeManager"
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fs = require("fs")
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os = require("os")
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commandRunner = Settings.clsi?.commandRunner or "./CommandRunner"
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logger.info commandRunner:commandRunner, "selecting command runner for clsi"
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CommandRunner = require(commandRunner)
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module.exports = CompileManager =
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doCompile: (request, callback = (error, outputFiles) ->) ->
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compileDir = Path.join(Settings.path.compilesDir, request.project_id)
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timer = new Metrics.Timer("write-to-disk")
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logger.log project_id: request.project_id, "starting doCompile"
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ResourceWriter.syncResourcesToDisk request.project_id, request.resources, compileDir, (error) ->
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if error?
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logger.err err:error, project_id: request.project_id, "error writing resources to disk"
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return callback(error)
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logger.log project_id: request.project_id, time_taken: Date.now() - timer.start, "written files to disk"
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timer.done()
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injectDraftModeIfRequired = (callback) ->
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if request.draft
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DraftModeManager.injectDraftMode Path.join(compileDir, request.rootResourcePath), callback
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else
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callback()
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injectDraftModeIfRequired (error) ->
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return callback(error) if error?
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timer = new Metrics.Timer("run-compile")
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# find the image tag to log it as a metric, e.g. 2015.1 (convert . to - for graphite)
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tag = request.imageName?.match(/:(.*)/)?[1]?.replace(/\./g,'-') or "default"
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tag = "other" if not request.project_id.match(/^[0-9a-f]{24}$/) # exclude smoke test
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Metrics.inc("compiles")
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Metrics.inc("compiles-with-image.#{tag}")
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LatexRunner.runLatex request.project_id, {
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directory: compileDir
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mainFile: request.rootResourcePath
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compiler: request.compiler
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timeout: request.timeout
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image: request.imageName
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}, (error, output, stats, timings) ->
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return callback(error) if error?
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Metrics.inc("compiles-succeeded")
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for metric_key, metric_value of stats or {}
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Metrics.count(metric_key, metric_value)
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for metric_key, metric_value of timings or {}
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Metrics.timing(metric_key, metric_value)
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loadavg = os.loadavg?()
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Metrics.gauge("load-avg", loadavg[0]) if loadavg?
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ts = timer.done()
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logger.log {project_id: request.project_id, time_taken: ts, stats:stats, timings:timings, loadavg:loadavg}, "done compile"
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if stats?["latex-runs"] > 0
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Metrics.timing("run-compile-per-pass", ts / stats["latex-runs"])
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if stats?["latex-runs"] > 0 and timings?["cpu-time"] > 0
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Metrics.timing("run-compile-cpu-time-per-pass", timings["cpu-time"] / stats["latex-runs"])
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OutputFileFinder.findOutputFiles request.resources, compileDir, (error, outputFiles) ->
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return callback(error) if error?
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OutputCacheManager.saveOutputFiles outputFiles, compileDir, (error, newOutputFiles) ->
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callback null, newOutputFiles
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clearProject: (project_id, _callback = (error) ->) ->
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callback = (error) ->
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_callback(error)
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_callback = () ->
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compileDir = Path.join(Settings.path.compilesDir, project_id)
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CompileManager._checkDirectory compileDir, (err, exists) ->
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return callback(err) if err?
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return callback() if not exists # skip removal if no directory present
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proc = child_process.spawn "rm", ["-r", compileDir]
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proc.on "error", callback
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stderr = ""
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proc.stderr.on "data", (chunk) -> stderr += chunk.toString()
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proc.on "close", (code) ->
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if code == 0
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return callback(null)
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else
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return callback(new Error("rm -r #{compileDir} failed: #{stderr}"))
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_checkDirectory: (compileDir, callback = (error, exists) ->) ->
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fs.lstat compileDir, (err, stats) ->
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if err?.code is 'ENOENT'
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return callback(null, false) # directory does not exist
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else if err?
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logger.err {dir: compileDir, err:err}, "error on stat of project directory for removal"
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return callback(err)
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else if not stats?.isDirectory()
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logger.err {dir: compileDir, stats:stats}, "bad project directory for removal"
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return callback new Error("project directory is not directory")
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else
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callback(null, true) # directory exists
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syncFromCode: (project_id, file_name, line, column, callback = (error, pdfPositions) ->) ->
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# If LaTeX was run in a virtual environment, the file path that synctex expects
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# might not match the file path on the host. The .synctex.gz file however, will be accessed
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# wherever it is on the host.
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base_dir = Settings.path.synctexBaseDir(project_id)
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file_path = base_dir + "/" + file_name
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synctex_path = Path.join(Settings.path.compilesDir, project_id, "output.pdf")
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CompileManager._runSynctex ["code", synctex_path, file_path, line, column], (error, stdout) ->
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return callback(error) if error?
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logger.log project_id: project_id, file_name: file_name, line: line, column: column, stdout: stdout, "synctex code output"
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callback null, CompileManager._parseSynctexFromCodeOutput(stdout)
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syncFromPdf: (project_id, page, h, v, callback = (error, filePositions) ->) ->
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base_dir = Settings.path.synctexBaseDir(project_id)
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synctex_path = Path.join(Settings.path.compilesDir, project_id, "output.pdf")
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CompileManager._runSynctex ["pdf", synctex_path, page, h, v], (error, stdout) ->
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return callback(error) if error?
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logger.log project_id: project_id, page: page, h: h, v:v, stdout: stdout, "synctex pdf output"
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callback null, CompileManager._parseSynctexFromPdfOutput(stdout, base_dir)
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_runSynctex: (args, callback = (error, stdout) ->) ->
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bin_path = Path.resolve(__dirname + "/../../bin/synctex")
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seconds = 1000
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child_process.execFile bin_path, args, timeout: 10 * seconds, (error, stdout, stderr) ->
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if error?
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logger.err err:error, args:args, "error running synctex"
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return callback(error)
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callback(null, stdout)
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_parseSynctexFromCodeOutput: (output) ->
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results = []
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for line in output.split("\n")
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[node, page, h, v, width, height] = line.split("\t")
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if node == "NODE"
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results.push {
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page: parseInt(page, 10)
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h: parseFloat(h)
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v: parseFloat(v)
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height: parseFloat(height)
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width: parseFloat(width)
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}
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return results
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_parseSynctexFromPdfOutput: (output, base_dir) ->
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results = []
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for line in output.split("\n")
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[node, file_path, line, column] = line.split("\t")
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if node == "NODE"
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file = file_path.slice(base_dir.length + 1)
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results.push {
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file: file
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line: parseInt(line, 10)
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column: parseInt(column, 10)
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}
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return results
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wordcount: (project_id, file_name, image, callback = (error, pdfPositions) ->) ->
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logger.log project_id:project_id, file_name:file_name, image:image, "running wordcount"
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file_path = "$COMPILE_DIR/" + file_name
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command = [ "texcount", '-inc', file_path, "-out=" + file_path + ".wc"]
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directory = Path.join(Settings.path.compilesDir, project_id)
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timeout = 10 * 1000
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CommandRunner.run project_id, command, directory, image, timeout, (error) ->
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return callback(error) if error?
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try
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stdout = fs.readFileSync(directory + "/" + file_name + ".wc", "utf-8")
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catch err
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logger.err err:err, command:command, directory:directory, project_id:project_id, "error reading word count output"
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return callback(err)
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callback null, CompileManager._parseWordcountFromOutput(stdout)
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_parseWordcountFromOutput: (output) ->
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results = {
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encode: ""
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textWords: 0
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headWords: 0
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outside: 0
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headers: 0
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elements: 0
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mathInline: 0
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mathDisplay: 0
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}
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for line in output.split("\n")
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[data, info] = line.split(":")
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if data.indexOf("Encoding") > -1
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results['encode'] = info.trim()
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if data.indexOf("in text") > -1
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results['textWords'] = parseInt(info, 10)
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if data.indexOf("in head") > -1
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results['headWords'] = parseInt(info, 10)
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if data.indexOf("outside") > -1
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results['outside'] = parseInt(info, 10)
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if data.indexOf("of head") > -1
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results['headers'] = parseInt(info, 10)
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if data.indexOf("Number of floats/tables/figures") > -1
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results['elements'] = parseInt(info, 10)
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if data.indexOf("Number of math inlines") > -1
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results['mathInline'] = parseInt(info, 10)
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if data.indexOf("Number of math displayed") > -1
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results['mathDisplay'] = parseInt(info, 10)
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return results
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