Class: Util

Inherits:
Object
  • Object
show all
Defined in:
lib/fyipe/util.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Util

Returns a new instance of Util.



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# File 'lib/fyipe/util.rb', line 6

def initialize(options)
    @options = options
end

Instance Method Details

#addCodeSnippetToFrame(lines, frame, linesOfContext = 5) ⇒ Object 



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# File 'lib/fyipe/util.rb', line 111

def addCodeSnippetToFrame(lines, frame, linesOfContext = 5)

    if lines.length() < 1 
        return
    end

    lineNumber = 0
    if frame['lineNumber'] != nil
        lineNumber = frame['lineNumber'].to_i
    end

    maxLines = lines.length()
    sourceLine = max(min(maxLines, lineNumber - 1), 0)
    # attach the line before the error
    frame['linesBeforeError'] = getPathOfLines(lines, max(0, sourceLine - linesOfContext), linesOfContext)
    # attach the line after the error
    frame['linesAfterError'] = getPathOfLines(
        lines,
        min(sourceLine + 1, maxLines),
        1 + linesOfContext
    )
    # attach the error line
    frame['errorLine'] = lines[min(maxLines - 1, sourceLine)]

    # remove the source file
    frame.delete('sourceFile')

    return frame
end

#getErrorCodeSnippet(errorObj) ⇒ Object 



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# File 'lib/fyipe/util.rb', line 62

def getErrorCodeSnippet(errorObj)
    frames = [] 
    if errorObj["stacktrace"] != nil
        frames = errorObj["stacktrace"]["frames"]
    end

    # get content related to each frame
    contentFrame = [];

    frames.each do |frame|
        updateFrame = getFrameContent(frame)
        # update content of each frame
        updateFrameContent(frame)
        contentFrame.append(updateFrame)
    end

    errorObj["stacktrace"]["frames"] = frames
    return errorObj
end

#getErrorType(val) ⇒ Object 



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# File 'lib/fyipe/util.rb', line 14

def getErrorType(val)
    enumValue = ""
    LogType.each do |key, enum|
        if (key.to_s.eql? "#{val}")
            enumValue = enum.value
        end
    end
    
    return enumValue
end

#getExceptionStackTrace(exception) ⇒ Object 



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# File 'lib/fyipe/util.rb', line 24

def getExceptionStackTrace(exception)
    frames = [];
    lineNumber = 'N/A'

    obj = {}
    obj["type"] = exception.class
    obj["message"] = exception.message
    obj["lineNumber"] = lineNumber
    
    backtraces = exception.backtrace
    backtraces != nil ?
    backtraces.each do |backtrace|
        breakdown = backtrace.split(":")
        fileName = breakdown[0]
        lineNumber = breakdown[1]
        methodName = breakdown[2]
        frame = {}
        frame["fileName"] = fileName
        frame["methodName"] = methodName
        frame["lineNumber"] = lineNumber
        frames.append(frame)
    end
    : nil

    stacktrace = {}
    stacktrace["frames"] = frames
    
    obj["stacktrace"] = stacktrace
    obj["lineNumber"] = frames[0] ? frames[0]["lineNumber"] : lineNumber

    # run only if user agreed to use this feature
    if @options[:captureCodeSnippet] == true
        obj = getErrorCodeSnippet(obj)
    end

    return obj
end

#getFrameContent(frame) ⇒ Object 



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# File 'lib/fyipe/util.rb', line 82

def getFrameContent(frame)

    fileName = frame['fileName']

    # # try to read the file content and save to frame
    begin
        file = File.open(fileName)
        frame["sourceFile"] = file.readlines.map(&:chomp)

    rescue  => exception
        # something terrible went wrong
        puts "Warning; Could read file: #{exception.message}"      
    ensure
        file.close      
    end
    
    return frame
end

#updateFrameContent(frame) ⇒ Object 



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# File 'lib/fyipe/util.rb', line 101

def updateFrameContent(frame)
    lines = []
    if frame["sourceFile"] != nil
        lines = frame["sourceFile"]
    end
    localFrame = addCodeSnippetToFrame(lines, frame)
    frame = localFrame
    return frame
end

#v4 ⇒ Object 



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# File 'lib/fyipe/util.rb', line 10

def v4()
    return SecureRandom.uuid
end