Class: HamlLint::Linter Abstract

Inherits:
Object
  • Object
show all
Includes:
HamlVisitor
Defined in:
lib/haml_lint/linter.rb

Overview

This class is abstract.

Base implementation for all lint checks.

Defined Under Namespace

Classes: AlignmentTabs, AltText, ClassAttributeWithStaticValue, ClassesBeforeIds, ConsecutiveComments, ConsecutiveSilentScripts, EmptyObjectReference, EmptyScript, FinalNewline, HtmlAttributes, IdNames, ImplicitDiv, Indentation, InlineStyles, InstanceVariables, LeadingCommentSpace, LineLength, MultilinePipe, MultilineScript, NoPlaceholders, ObjectReferenceAttributes, RepeatedId, RuboCop, RubyComments, SpaceBeforeScript, SpaceInsideHashAttributes, Syntax, TagName, TrailingEmptyLines, TrailingWhitespace, UnnecessaryInterpolation, UnnecessaryStringOutput, ViewLength

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from HamlVisitor

#visit, #visit_children

Constructor Details

#initialize(config) ⇒ Linter

Initializes a linter with the specified configuration.

Parameters:

  • config (Hash) —

    configuration for this linter



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# File 'lib/haml_lint/linter.rb', line 19

def initialize(config)
  @config = config
  @lints = []
end

Instance Attribute Details

#lints ⇒ Object (readonly)

TODO:

Remove once spec/support/shared_linter_context returns an array of lints for the subject instead of the linter itself.

List of lints reported by this linter.



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# File 'lib/haml_lint/linter.rb', line 14

def lints
  @lints
end

Class Method Details

.supports_autocorrect? ⇒ Boolean

Returns true if this linter supports autocorrect, false otherwise

Returns:

  • (Boolean) 


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# File 'lib/haml_lint/linter.rb', line 80

def self.supports_autocorrect?
  @supports_autocorrect || false
end

Instance Method Details

#name ⇒ String

Returns the simple name for this linter.

Returns:

  • (String) 


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# File 'lib/haml_lint/linter.rb', line 73

def name
  self.class.name.to_s.split('::').last
end

#run(document, autocorrect: nil) ⇒ Object

Runs the linter against the given Haml document.

Parameters:



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# File 'lib/haml_lint/linter.rb', line 27

def run(document, autocorrect: nil) # rubocop:disable Metrics
  run_or_raise(document, autocorrect: autocorrect)
rescue Parser::SyntaxError => e
  location = e.diagnostic.location
  @lints <<
    HamlLint::Lint.new(
      HamlLint::Linter::Syntax.new(config),
      document.file,
      location.line,
      e.to_s,
      :error
    )
rescue StandardError => e
  msg = +"Couldn't process the file"
  if @autocorrect
    # Those lints related to auto-correction were not saved, so don't display them
    @lints = []
    msg << " for autocorrect '#{@autocorrect}'. "
  else
    msg << ' for linting. '
  end

  msg << "#{e.class.name}: #{e.message}"
  if ENV['HAML_LINT_DEBUG'] == 'true'
    msg << "(DEBUG: Backtrace follows)\n#{e.backtrace.join("\n")}\n------"
  end

  @lints << HamlLint::Lint.new(self, document.file, nil, msg, :error)
  @lints
end

#run_or_raise(document, autocorrect: nil) ⇒ Object

Runs the linter against the given Haml document, raises if the file cannot be processed due to Syntax or HAML-Lint internal errors. (For testing purposes)

Parameters:



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# File 'lib/haml_lint/linter.rb', line 62

def run_or_raise(document, autocorrect: nil)
  @document = document
  @lints = []
  @autocorrect = autocorrect
  visit(document.tree)
  @lints
end

#supports_autocorrect? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/haml_lint/linter.rb', line 84

def supports_autocorrect?
  self.class.supports_autocorrect?
end