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require 'i18n/tasks/scanners/scanner'
module I18n::Tasks::Scanners
# A base class for a scanner that analyses files.
#
# @abstract The child must implement {#scan_file}.
# @since 0.9.0
class FileScanner < Scanner
attr_reader :config
def initialize(
config: {},
file_finder_provider: Files::CachingFileFinderProvider.new,
file_reader: Files::CachingFileReader.new)
@config = config
@file_reader = file_reader
@file_finder = file_finder_provider.get(**config.slice(:paths, :only, :exclude))
end
# @return (see Scanner#keys)
def keys
(traverse_files { |path|
scan_file(path)
}.reduce(:+) || []).group_by(&:first).map { |key, keys_occurrences|
Results::KeyOccurrences.new(key: key, occurrences: keys_occurrences.map(&:second))
}
end
protected
# Extract all occurrences of translate calls from the file at the given path.
#
# @return [Array<[key, Results::KeyOccurrence]>] each occurrence found in the file
def scan_file(path)
fail 'Unimplemented'
end
# Read a file. Reads of the same path are cached.
#
# @param path [String]
# @return [String] file contents
def read_file(path)
@file_reader.read_file(path)
end
# Traverse the paths and yield the matching ones.
#
# @note This method is cached, it will only access the filesystem on the first invocation.
# @param (see FileFinder#traverse_files)
# @yieldparam (see FileFinder#traverse_files)
# @return (see FileFinder#traverse_files)
def traverse_files(&block)
@file_finder.traverse_files(&block)
end
# @note This method is cached, it will only access the filesystem on the first invocation.
# @return (see FileFinder#find_files)
def find_files
@file_finder.find_files
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems