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credo
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A static code analysis tool with a focus on code consistency and teaching.
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Files
lib/credo/cli/output/issues_by_scope.ex
defmodule Credo.CLI.Output.IssuesByScope do
alias Credo.Code.Scope
alias Credo.CLI.Filename
alias Credo.CLI.Filter
alias Credo.CLI.Output
alias Credo.CLI.Output.UI
alias Credo.CLI.Output.Summary
alias Credo.SourceFile
alias Credo.Issue
@indent 8
@doc "Called before the analysis is run."
def print_before_info(source_files, _config) do
UI.puts ""
case Enum.count(source_files) do
0 -> UI.puts "No files found!"
1 -> UI.puts "Checking 1 source file ..."
count -> UI.puts "Checking #{count} source files ..."
end
end
@doc "Called after the analysis has run."
def print_after_info(source_files, config, time_load, time_run) do
term_width = Output.term_columns
source_files
|> Filter.important(config)
|> Enum.sort_by(&(&1.filename))
|> Enum.each(&print_issues(&1, config, term_width))
source_files
|> Summary.print(config, time_load, time_run)
end
@lint {Credo.Check.Refactor.PipeChainStart, false}
defp print_issues(%SourceFile{issues: issues, filename: filename} = source_file, config, term_width) do
issues
|> Filter.important(config)
|> Filter.valid_issues(config)
|> print_issues(filename, source_file, config, term_width)
end
defp print_issues(issues, _filename, source_file, _config, term_width) do
if issues |> Enum.any? do
first_issue = issues |> List.first
scope_name = Scope.mod_name(first_issue.scope)
color = Output.check_color(first_issue)
UI.puts
[
:bright, "#{color}_background" |> String.to_atom, color, " ",
Output.foreground_color(color), :normal,
" #{scope_name}" |> String.ljust(term_width - 1),
]
|> UI.puts
UI.edge(color)
|> UI.puts
issues
|> Enum.sort_by(&(&1.line_no))
|> Enum.each(&print_issue(&1, source_file, term_width))
end
end
defp print_issue(%Issue{check: check, message: message, filename: filename, priority: priority} = issue, source_file, term_width) do
outer_color = Output.check_color(issue)
inner_color = Output.issue_color(issue)
message_color = inner_color
filename_color = :default_color
tag_style = if outer_color == inner_color, do: :faint, else: :bright
[
UI.edge(outer_color),
inner_color,
tag_style,
Output.check_tag(check.category), " ", priority |> Output.priority_arrow,
:normal, message_color, " ", message,
]
|> UI.puts
[
UI.edge(outer_color, @indent),
filename_color, :faint, filename |> to_string,
:default_color, :faint, Filename.pos_suffix(issue.line_no, issue.column),
:faint, " (#{issue.scope})"
]
|> UI.puts
if issue.line_no do
{_, line} = Enum.at(source_file.lines, issue.line_no - 1)
UI.puts_edge([outer_color, :faint])
[
UI.edge([outer_color, :faint]), :cyan, :faint,
String.duplicate(" ", @indent - 2),
UI.truncate(line, term_width - @indent)
]
|> UI.puts
if issue.column do
offset = String.length(line) - String.length(String.strip(line))
x = max(issue.column - offset - 1, 0) # column is one-based
w =
case issue.trigger do
nil -> 1
atom -> atom |> to_string |> String.length
end
[
UI.edge([outer_color, :faint], @indent),
inner_color, String.duplicate(" ", x),
:faint, String.duplicate("^", w)
]
|> UI.puts
end
end
UI.puts_edge([outer_color, :faint], @indent)
end
end