mkvtoolnix/rake.d/source_tests.rb

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module Mtx::SourceTests
def self.collect_header_files
ui_file_names = FileList["src/**/*.ui"]
ui_header_file_names = ui_file_names.collect { |file_name| file_name.ext 'h' }.to_a
header_file_names = FileList["src/**/*.h"].to_a.sort
header_file_names - ui_header_file_names
end
def self.expected_guard_name file_name
"MTX_" + file_name.
gsub(%r{.*src/}, '').
gsub(%r{[/.]}, '_').
upcase
end
def self.test_include_guard_for_file file_name, lines
guard_line_idx = (0...lines.size).select { |idx| %r{^#ifndef +MTX_}.match(lines[idx]) }[0]
if !guard_line_idx
puts "#{file_name}:1: error: no include guard line found"
return false
end
ok = true
guard_line = lines[guard_line_idx].chomp
guard_name = guard_line.gsub(%r{^#ifndef +}, '').gsub(%r{ .*}, '')
expected_name = self.expected_guard_name file_name
if guard_name != expected_name
puts "#{file_name}:#{guard_line_idx + 1}: error: wrong guard name: #{guard_name}; should be: #{expected_name}"
ok = false
end
guard_def_line = lines[guard_line_idx + 1].chomp
expected_def_line = "#define #{expected_name}"
if guard_def_line != expected_def_line
puts "#{file_name}:#{guard_line_idx + 2}: error: guard definition line wrong or not found; should be: #{expected_def_line}"
ok = false
end
guard_end_line = lines.last
expected_end_re = "^\\#endif \\s+ // \\s+ #{expected_name} $"
if !%r(#{expected_end_re})x.match(guard_end_line)
puts "#{file_name}:#{lines.size}: error: guard end line wrong or not found; should match RE: #{expected_end_re}"
ok = false
end
ok
end
def self.test_include_guards
file_names = self.collect_header_files
content = read_files file_names
ok = true
file_names.each do |file_name|
if !self.test_include_guard_for_file(file_name, content[file_name])
ok = false
end
end
exit 1 if !ok
end
end