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lib/metadata/util/win32/fleece_hives.rb

Summary

Maintainability
B
6 hrs
Test Coverage

Method collect_hive_data has 42 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def self.collect_hive_data(xmlNode, hiveName, regHnd, xmlCol, fs)
    # SAM hive
    if hiveName.downcase == "sam"
      scanFor = [
        ["SAM", "HKEY_LOCAL_MACHINE\\SAM\\SAM"],
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb - About 1 hr to fix

Method processServices has a Cognitive Complexity of 16 (exceeds 8 allowed). Consider refactoring.
Open

  def self.processServices(xmlNode, _hiveName, _regHnd, xmlCol)
    eServices = MIQRexml.findElement("services", xmlCol.root)

    eSvcList = MIQRexml.findRegElement("HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services", xmlNode.root)
    if eSvcList
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method collect_hive_data has a Cognitive Complexity of 13 (exceeds 8 allowed). Consider refactoring.
Open

  def self.collect_hive_data(xmlNode, hiveName, regHnd, xmlCol, fs)
    # SAM hive
    if hiveName.downcase == "sam"
      scanFor = [
        ["SAM", "HKEY_LOCAL_MACHINE\\SAM\\SAM"],
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method postProcessApps has a Cognitive Complexity of 11 (exceeds 8 allowed). Consider refactoring.
Open

  def self.postProcessApps(xmlCol, fs)
    appPath = MIQRexml.findRegElement("software/App Paths", xmlCol.root)
    return if appPath.nil?
    # The icon sections below will need to be uncommented when we are ready to start
    # implementing application image uploading.
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb - About 45 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method collect_hive_data has 5 arguments (exceeds 4 allowed). Consider refactoring.
Open

  def self.collect_hive_data(xmlNode, hiveName, regHnd, xmlCol, fs)
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb - About 35 mins to fix

Method addElement has 5 arguments (exceeds 4 allowed). Consider refactoring.
Open

  def self.addElement(xmlNode, nodeName, regPath, xmlCol, makeCopy = false)
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb - About 35 mins to fix

Useless assignment to variable - max.
Open

      e.each_element_with_attribute('name', '(Default)', max = 1) do|e1|
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb by rubocop

Checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

NOTE: Given the assignment foo = 1, bar = 2, removing unused variables can lead to a syntax error, so this case is not autocorrected.

Safety:

This cop's autocorrection is unsafe because removing assignment from operator assignment can cause NameError if this assignment has been used to declare local variable. For example, replacing a ||= 1 to a || 1 may cause "undefined local variable or method `a' for main:Object (NameError)".

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Do not suppress exceptions.
Open

    rescue => e
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb by rubocop

Checks for rescue blocks with no body.

Example:

# bad
def some_method
  do_something
rescue
end

# bad
begin
  do_something
rescue
end

# good
def some_method
  do_something
rescue
  handle_exception
end

# good
begin
  do_something
rescue
  handle_exception
end

Example: AllowComments: true (default)

# good
def some_method
  do_something
rescue
  # do nothing
end

# good
begin
  do_something
rescue
  # do nothing
end

Example: AllowComments: false

# bad
def some_method
  do_something
rescue
  # do nothing
end

# bad
begin
  do_something
rescue
  # do nothing
end

Example: AllowNil: true (default)

# good
def some_method
  do_something
rescue
  nil
end

# good
begin
  do_something
rescue
  # do nothing
end

# good
do_something rescue nil

Example: AllowNil: false

# bad
def some_method
  do_something
rescue
  nil
end

# bad
begin
  do_something
rescue
  nil
end

# bad
do_something rescue nil

Useless assignment to variable - e.
Open

    rescue => e
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb by rubocop

Checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

NOTE: Given the assignment foo = 1, bar = 2, removing unused variables can lead to a syntax error, so this case is not autocorrected.

Safety:

This cop's autocorrection is unsafe because removing assignment from operator assignment can cause NameError if this assignment has been used to declare local variable. For example, replacing a ||= 1 to a || 1 may cause "undefined local variable or method `a' for main:Object (NameError)".

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Avoid rescuing the Exception class. Perhaps you meant to rescue StandardError?
Open

      rescue Exception => err
        $log.warn "Exception during Post-process Applications: [#{err}]"
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb by rubocop

Checks for rescue blocks targeting the Exception class.

Example:

# bad

begin
  do_something
rescue Exception
  handle_exception
end

Example:

# good

begin
  do_something
rescue ArgumentError
  handle_exception
end

Avoid rescuing the Exception class. Perhaps you meant to rescue StandardError?
Open

        rescue Exception => e
Severity: Minor
Found in lib/metadata/util/win32/fleece_hives.rb by rubocop

Checks for rescue blocks targeting the Exception class.

Example:

# bad

begin
  do_something
rescue Exception
  handle_exception
end

Example:

# good

begin
  do_something
rescue ArgumentError
  handle_exception
end

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