mirror of
https://github.com/pry/pry.git
synced 2022-11-09 12:35:05 -05:00
109 lines
3.2 KiB
Ruby
109 lines
3.2 KiB
Ruby
class Pry
|
|
class CodeFile
|
|
DEFAULT_EXT = '.rb'
|
|
|
|
# List of all supported languages.
|
|
# @return [Hash]
|
|
EXTENSIONS = {
|
|
%w(.py) => :python,
|
|
%w(.js) => :javascript,
|
|
%w(.css) => :css,
|
|
%w(.xml) => :xml,
|
|
%w(.php) => :php,
|
|
%w(.html) => :html,
|
|
%w(.diff) => :diff,
|
|
%w(.java) => :java,
|
|
%w(.json) => :json,
|
|
%w(.c .h) => :c,
|
|
%w(.rhtml) => :rhtml,
|
|
%w(.yaml .yml) => :yaml,
|
|
%w(.cpp .hpp .cc .h .cxx) => :cpp,
|
|
%w(.rb .ru .irbrc .gemspec .pryrc .rake) => :ruby,
|
|
}
|
|
|
|
FILES = {
|
|
%w(Gemfile Rakefile Guardfile Capfile) => :ruby
|
|
}
|
|
|
|
# @return [Symbol] The type of code stored in this wrapper.
|
|
attr_reader :code_type
|
|
|
|
# @param [String] filename The name of a file with code to be detected
|
|
# @param [Symbol] code_type The type of code the `filename` contains
|
|
def initialize(filename, code_type = type_from_filename(filename))
|
|
@filename = filename
|
|
@code_type = code_type
|
|
end
|
|
|
|
# @return [String] The code contained in the current `@filename`.
|
|
def code
|
|
if @filename == Pry.eval_path
|
|
Pry.line_buffer.drop(1)
|
|
elsif Pry::Method::Patcher.code_for(@filename)
|
|
Pry::Method::Patcher.code_for(@filename)
|
|
elsif RbxPath.is_core_path?(@filename)
|
|
File.read(RbxPath.convert_path_to_full(@filename))
|
|
else
|
|
path = abs_path
|
|
@code_type = type_from_filename(path)
|
|
File.read(path)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
# @raise [MethodSource::SourceNotFoundError] if the `filename` is not
|
|
# readable for some reason.
|
|
# @return [String] absolute path for the given `filename`.
|
|
def abs_path
|
|
code_path.detect { |path| readable?(path) } or
|
|
raise MethodSource::SourceNotFoundError,
|
|
"Cannot open #{ @filename.inspect } for reading."
|
|
end
|
|
|
|
# @param [String] path
|
|
# @return [Boolean] if the path, with or without the default ext,
|
|
# is a readable file then `true`, otherwise `false`.
|
|
def readable?(path)
|
|
File.readable?(path) && !File.directory?(path) or
|
|
File.readable?(path << DEFAULT_EXT)
|
|
end
|
|
|
|
# @return [Array] All the paths that contain code that Pry can use for its
|
|
# API's. Skips directories.
|
|
def code_path
|
|
[from_pwd, from_pry_init_pwd, *from_load_path]
|
|
end
|
|
|
|
# @param [String] filename
|
|
# @param [Symbol] default (:unknown) the file type to assume if none could be
|
|
# detected.
|
|
# @return [Symbol, nil] The CodeRay type of a file from its extension, or
|
|
# `nil` if `:unknown`.
|
|
def type_from_filename(filename, default = :unknown)
|
|
_, @code_type = EXTENSIONS.find do |k, _|
|
|
k.any? { |ext| ext == File.extname(filename) }
|
|
end || FILES.find do |k, _|
|
|
k.any? { |file_name| file_name == File.basename(filename) }
|
|
end
|
|
|
|
code_type || default
|
|
end
|
|
|
|
# @return [String]
|
|
def from_pwd
|
|
File.expand_path(@filename, Dir.pwd)
|
|
end
|
|
|
|
# @return [String]
|
|
def from_pry_init_pwd
|
|
File.expand_path(@filename, Pry::INITIAL_PWD)
|
|
end
|
|
|
|
# @return [String]
|
|
def from_load_path
|
|
$LOAD_PATH.map { |path| File.expand_path(@filename, path) }
|
|
end
|
|
|
|
end
|
|
end
|