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lib/prawn/fonts/ttf.rb

Summary

Maintainability
D
2 days
Test Coverage

File ttf.rb has 400 lines of code (exceeds 250 allowed). Consider refactoring.
Open

require 'ttfunk'
require 'ttfunk/subset_collection'
require_relative 'to_unicode_cmap'

module Prawn
Severity: Minor
Found in lib/prawn/fonts/ttf.rb - About 5 hrs to fix

    Class TTF has 33 methods (exceeds 20 allowed). Consider refactoring.
    Open

        class TTF < Font
      # TrueType font error.
      class Error < StandardError
        # @private
        DEFAULT_MESSAGE = 'TTF font error'
    Severity: Minor
    Found in lib/prawn/fonts/ttf.rb - About 4 hrs to fix

      Method encode_text has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.
      Open

            def encode_text(text, options = {})
        text = text.chomp

        if options[:kerning]
          last_subset = nil
      Severity: Minor
      Found in lib/prawn/fonts/ttf.rb - About 2 hrs 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 embed_composite_font has 64 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

            def embed_composite_font(reference, font)
        if font_type(font) == :unknown
          raise Error, %(Composite font embedding is not uspported for font "#{font.name}.")
        end
      Severity: Major
      Found in lib/prawn/fonts/ttf.rb - About 2 hrs to fix

        Method embed_simple_font has 54 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

              def embed_simple_font(reference, font, unicode_mapping)
        if font_type(font) == :unknown
          raise Error, %(Simple font embedding is not uspported for font "#{font.name}.")
        end
        Severity: Major
        Found in lib/prawn/fonts/ttf.rb - About 2 hrs to fix

          Method embed_composite_font has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
          Open

                def embed_composite_font(reference, font)
        if font_type(font) == :unknown
          raise Error, %(Composite font embedding is not uspported for font "#{font.name}.")
        end
          Severity: Minor
          Found in lib/prawn/fonts/ttf.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 encode_text has 27 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

                def encode_text(text, options = {})
        text = text.chomp

        if options[:kerning]
          last_subset = nil
          Severity: Minor
          Found in lib/prawn/fonts/ttf.rb - About 1 hr to fix

            Method embed_simple_font has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
            Open

                  def embed_simple_font(reference, font, unicode_mapping)
        if font_type(font) == :unknown
          raise Error, %(Simple font embedding is not uspported for font "#{font.name}.")
        end
            Severity: Minor
            Found in lib/prawn/fonts/ttf.rb - About 55 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 compute_width_of has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
            Open

                  def compute_width_of(string, options = {})
        scale = (options[:size] || size) / 1000.0
        if options[:kerning]
          kern(string).reduce(0) { |s, r|
            if r.is_a?(Numeric)
            Severity: Minor
            Found in lib/prawn/fonts/ttf.rb - About 35 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

            Similar blocks of code found in 2 locations. Consider refactoring.
            Open

                  class Error < StandardError
        # @private
        DEFAULT_MESSAGE = 'TTF font error'

        # @private
            Severity: Minor
            Found in lib/prawn/fonts/ttf.rb and 1 other location - About 15 mins to fix
            lib/prawn/text/formatted/arranger.rb on lines 11..23

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 26.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Identical blocks of code found in 2 locations. Consider refactoring.
            Open

                    descriptor = @document.ref!(
          Type: :FontDescriptor,
          FontName: basename.to_sym,
          FontBBox: bbox,
          Flags: pdf_flags,
            Severity: Minor
            Found in lib/prawn/fonts/ttf.rb and 1 other location - About 15 mins to fix
            lib/prawn/fonts/ttf.rb on lines 457..468

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 25.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

            Identical blocks of code found in 2 locations. Consider refactoring.
            Open

                    descriptor = @document.ref!(
          Type: :FontDescriptor,
          FontName: basename.to_sym,
          FontBBox: bbox,
          Flags: pdf_flags,
            Severity: Minor
            Found in lib/prawn/fonts/ttf.rb and 1 other location - About 15 mins to fix
            lib/prawn/fonts/ttf.rb on lines 541..552

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 25.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

            Further Reading

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