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pry--pry/lib/pry/helpers/documentation_helpers.rb
Conrad Irwin 4bcabfad5d Highlight code in comments as ruby regardless
Before this change, ? Array.try_convert would highlight the code
snippets as C, but because it's actually a ruby method all the code in
the comment is ruby.
2012-07-09 15:20:29 -07:00

65 lines
2.2 KiB
Ruby

class Pry
module Helpers
# This class contains methods useful for extracting
# documentation from methods and classes.
module DocumentationHelpers
def process_rdoc(comment)
comment = comment.dup
comment.gsub(/<code>(?:\s*\n)?(.*?)\s*<\/code>/m) { Pry.color ? CodeRay.scan($1, :ruby).term : $1 }.
gsub(/<em>(?:\s*\n)?(.*?)\s*<\/em>/m) { Pry.color ? "\e[1m#{$1}\e[0m": $1 }.
gsub(/<i>(?:\s*\n)?(.*?)\s*<\/i>/m) { Pry.color ? "\e[1m#{$1}\e[0m" : $1 }.
gsub(/\B\+(\w*?)\+\B/) { Pry.color ? "\e[32m#{$1}\e[0m": $1 }.
gsub(/((?:^[ \t]+.+(?:\n+|\Z))+)/) { Pry.color ? CodeRay.scan($1, :ruby).term : $1 }.
gsub(/`(?:\s*\n)?([^\e]*?)\s*`/) { "`#{Pry.color ? CodeRay.scan($1, :ruby).term : $1}`" }
end
def process_yardoc_tag(comment, tag)
in_tag_block = nil
comment.lines.map do |v|
if in_tag_block && v !~ /^\S/
Pry::Helpers::Text.strip_color Pry::Helpers::Text.strip_color(v)
elsif in_tag_block
in_tag_block = false
v
else
in_tag_block = true if v =~ /^@#{tag}/
v
end
end.join
end
def process_yardoc(comment)
yard_tags = ["param", "return", "option", "yield", "attr", "attr_reader", "attr_writer",
"deprecate", "example", "raise"]
(yard_tags - ["example"]).inject(comment) { |a, v| process_yardoc_tag(a, v) }.
gsub(/^@(#{yard_tags.join("|")})/) { Pry.color ? "\e[33m#{$1}\e[0m": $1 }
end
def process_comment_markup(comment)
process_yardoc process_rdoc(comment)
end
# @param [String] code
# @return [String]
def strip_comments_from_c_code(code)
code.sub(/\A\s*\/\*.*?\*\/\s*/m, '')
end
# @param [String] comment
# @return [String]
def strip_leading_hash_and_whitespace_from_ruby_comments(comment)
comment = comment.dup
comment.gsub!(/\A\#+?$/, '')
comment.gsub!(/^\s*#/, '')
strip_leading_whitespace(comment)
end
# @param [String] text
# @return [String]
def strip_leading_whitespace(text)
Pry::Helpers::CommandHelpers.unindent(text)
end
end
end
end