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# frozen_string_literal: true
# -*- mode: ruby; ruby-indent-level: 2; tab-width: 2 -*-
require 'erb'
require 'fileutils'
require 'pathname'
require_relative 'markup'
##
# Darkfish RDoc HTML Generator
#
# $Id: darkfish.rb 52 2009-01-07 02:08:11Z deveiant $
#
# == Author/s
# * Michael Granger (ged@FaerieMUD.org)
#
# == Contributors
# * Mahlon E. Smith (mahlon@martini.nu)
# * Eric Hodel (drbrain@segment7.net)
#
# == License
#
# Copyright (c) 2007, 2008, Michael Granger. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of the author/s, nor the names of the project's
# contributors may be used to endorse or promote products derived from this
# software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# == Attributions
#
# Darkfish uses the {Silk Icons}[http://www.famfamfam.com/lab/icons/silk/] set
# by Mark James.
class RDoc::Generator::Darkfish
RDoc::RDoc.add_generator self
include ERB::Util
##
# Stylesheets, fonts, etc. that are included in RDoc.
BUILTIN_STYLE_ITEMS = # :nodoc:
%w[
css/fonts.css
fonts/Lato-Light.ttf
fonts/Lato-LightItalic.ttf
fonts/Lato-Regular.ttf
fonts/Lato-RegularItalic.ttf
fonts/SourceCodePro-Bold.ttf
fonts/SourceCodePro-Regular.ttf
css/rdoc.css
]
##
# Path to this file's parent directory. Used to find templates and other
# resources.
GENERATOR_DIR = File.join 'rdoc', 'generator'
##
# Release Version
VERSION = '3'
##
# Description of this generator
DESCRIPTION = 'HTML generator, written by Michael Granger'
##
# The relative path to style sheets and javascript. By default this is set
# the same as the rel_prefix.
attr_accessor :asset_rel_path
##
# The path to generate files into, combined with <tt>--op</tt> from the
# options for a full path.
attr_reader :base_dir
##
# Classes and modules to be used by this generator, not necessarily
# displayed. See also #modsort
attr_reader :classes
##
# No files will be written when dry_run is true.
attr_accessor :dry_run
##
# When false the generate methods return a String instead of writing to a
# file. The default is true.
attr_accessor :file_output
##
# Files to be displayed by this generator
attr_reader :files
##
# The JSON index generator for this Darkfish generator
attr_reader :json_index
##
# Methods to be displayed by this generator
attr_reader :methods
##
# Sorted list of classes and modules to be displayed by this generator
attr_reader :modsort
##
# The RDoc::Store that is the source of the generated content
attr_reader :store
##
# The directory where the template files live
attr_reader :template_dir # :nodoc:
##
# The output directory
attr_reader :outputdir
##
# Initialize a few instance variables before we start
def initialize store, options
@store = store
@options = options
@asset_rel_path = ''
@base_dir = Pathname.pwd.expand_path
@dry_run = @options.dry_run
@file_output = true
@template_dir = Pathname.new options.template_dir
@template_cache = {}
@classes = nil
@context = nil
@files = nil
@methods = nil
@modsort = nil
@json_index = RDoc::Generator::JsonIndex.new self, options
end
##
# Output progress information if debugging is enabled
def debug_msg *msg
return unless $DEBUG_RDOC
$stderr.puts(*msg)
end
##
# Directory where generated class HTML files live relative to the output
# dir.
def class_dir
nil
end
##
# Directory where generated class HTML files live relative to the output
# dir.
def file_dir
nil
end
##
# Create the directories the generated docs will live in if they don't
# already exist.
def gen_sub_directories
@outputdir.mkpath
end
##
# Copy over the stylesheet into the appropriate place in the output
# directory.
def write_style_sheet
debug_msg "Copying static files"
options = { :verbose => $DEBUG_RDOC, :noop => @dry_run }
BUILTIN_STYLE_ITEMS.each do |item|
install_rdoc_static_file @template_dir + item, "./#{item}", options
end
unless @options.template_stylesheets.empty?
FileUtils.cp @options.template_stylesheets, '.', **options
end
Dir[(@template_dir + "{js,images}/**/*").to_s].each do |path|
next if File.directory? path
next if File.basename(path) =~ /^\./
dst = Pathname.new(path).relative_path_from @template_dir
install_rdoc_static_file @template_dir + path, dst, options
end
end
##
# Build the initial indices and output objects based on an array of TopLevel
# objects containing the extracted information.
def generate
setup
write_style_sheet
generate_index
generate_class_files
generate_file_files
generate_table_of_contents
@json_index.generate
@json_index.generate_gzipped
copy_static
rescue => e
debug_msg "%s: %s\n %s" % [
e.class.name, e.message, e.backtrace.join("\n ")
]
raise
end
##
# Copies static files from the static_path into the output directory
def copy_static
return if @options.static_path.empty?
fu_options = { :verbose => $DEBUG_RDOC, :noop => @dry_run }
@options.static_path.each do |path|
unless File.directory? path then
FileUtils.install path, @outputdir, **fu_options.merge(:mode => 0644)
next
end
Dir.chdir path do
Dir[File.join('**', '*')].each do |entry|
dest_file = @outputdir + entry
if File.directory? entry then
FileUtils.mkdir_p entry, **fu_options
else
FileUtils.install entry, dest_file, **fu_options.merge(:mode => 0644)
end
end
end
end
end
##
# Return a list of the documented modules sorted by salience first, then
# by name.
def get_sorted_module_list classes
classes.select do |klass|
klass.display?
end.sort
end
##
# Generate an index page which lists all the classes which are documented.
def generate_index
setup
template_file = @template_dir + 'index.rhtml'
return unless template_file.exist?
debug_msg "Rendering the index page..."
out_file = @base_dir + @options.op_dir + 'index.html'
rel_prefix = @outputdir.relative_path_from out_file.dirname
search_index_rel_prefix = rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
asset_rel_prefix = rel_prefix + @asset_rel_path
@title = @options.title
render_template template_file, out_file do |io|
here = binding
# suppress 1.9.3 warning
here.local_variable_set(:asset_rel_prefix, asset_rel_prefix)
here
end
rescue => e
error = RDoc::Error.new \
"error generating index.html: #{e.message} (#{e.class})"
error.set_backtrace e.backtrace
raise error
end
##
# Generates a class file for +klass+
def generate_class klass, template_file = nil
setup
current = klass
template_file ||= @template_dir + 'class.rhtml'
debug_msg " working on %s (%s)" % [klass.full_name, klass.path]
out_file = @outputdir + klass.path
rel_prefix = @outputdir.relative_path_from out_file.dirname
search_index_rel_prefix = rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
asset_rel_prefix = rel_prefix + @asset_rel_path
svninfo = get_svninfo(current)
@title = "#{klass.type} #{klass.full_name} - #{@options.title}"
debug_msg " rendering #{out_file}"
render_template template_file, out_file do |io|
here = binding
# suppress 1.9.3 warning
here.local_variable_set(:asset_rel_prefix, asset_rel_prefix)
here.local_variable_set(:svninfo, svninfo)
here
end
end
##
# Generate a documentation file for each class and module
def generate_class_files
setup
template_file = @template_dir + 'class.rhtml'
template_file = @template_dir + 'classpage.rhtml' unless
template_file.exist?
return unless template_file.exist?
debug_msg "Generating class documentation in #{@outputdir}"
current = nil
@classes.each do |klass|
current = klass
generate_class klass, template_file
end
rescue => e
error = RDoc::Error.new \
"error generating #{current.path}: #{e.message} (#{e.class})"
error.set_backtrace e.backtrace
raise error
end
##
# Generate a documentation file for each file
def generate_file_files
setup
page_file = @template_dir + 'page.rhtml'
fileinfo_file = @template_dir + 'fileinfo.rhtml'
# for legacy templates
filepage_file = @template_dir + 'filepage.rhtml' unless
page_file.exist? or fileinfo_file.exist?
return unless
page_file.exist? or fileinfo_file.exist? or filepage_file.exist?
debug_msg "Generating file documentation in #{@outputdir}"
out_file = nil
current = nil
@files.each do |file|
current = file
if file.text? and page_file.exist? then
generate_page file
next
end
template_file = nil
out_file = @outputdir + file.path
debug_msg " working on %s (%s)" % [file.full_name, out_file]
rel_prefix = @outputdir.relative_path_from out_file.dirname
search_index_rel_prefix = rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
asset_rel_prefix = rel_prefix + @asset_rel_path
unless filepage_file then
if file.text? then
next unless page_file.exist?
template_file = page_file
@title = file.page_name
else
next unless fileinfo_file.exist?
template_file = fileinfo_file
@title = "File: #{file.base_name}"
end
end
@title += " - #{@options.title}"
template_file ||= filepage_file
render_template template_file, out_file do |io|
here = binding
# suppress 1.9.3 warning
here.local_variable_set(:asset_rel_prefix, asset_rel_prefix)
here.local_variable_set(:current, current)
here
end
end
rescue => e
error =
RDoc::Error.new "error generating #{out_file}: #{e.message} (#{e.class})"
error.set_backtrace e.backtrace
raise error
end
##
# Generate a page file for +file+
def generate_page file
setup
template_file = @template_dir + 'page.rhtml'
out_file = @outputdir + file.path
debug_msg " working on %s (%s)" % [file.full_name, out_file]
rel_prefix = @outputdir.relative_path_from out_file.dirname
search_index_rel_prefix = rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
current = file
asset_rel_prefix = rel_prefix + @asset_rel_path
@title = "#{file.page_name} - #{@options.title}"
debug_msg " rendering #{out_file}"
render_template template_file, out_file do |io|
here = binding
# suppress 1.9.3 warning
here.local_variable_set(:current, current)
here.local_variable_set(:asset_rel_prefix, asset_rel_prefix)
here
end
end
##
# Generates the 404 page for the RDoc servlet
def generate_servlet_not_found message
setup
template_file = @template_dir + 'servlet_not_found.rhtml'
return unless template_file.exist?
debug_msg "Rendering the servlet 404 Not Found page..."
rel_prefix = rel_prefix = ''
search_index_rel_prefix = rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
asset_rel_prefix = ''
@title = 'Not Found'
render_template template_file do |io|
here = binding
# suppress 1.9.3 warning
here.local_variable_set(:asset_rel_prefix, asset_rel_prefix)
here
end
rescue => e
error = RDoc::Error.new \
"error generating servlet_not_found: #{e.message} (#{e.class})"
error.set_backtrace e.backtrace
raise error
end
##
# Generates the servlet root page for the RDoc servlet
def generate_servlet_root installed
setup
template_file = @template_dir + 'servlet_root.rhtml'
return unless template_file.exist?
debug_msg 'Rendering the servlet root page...'
rel_prefix = '.'
asset_rel_prefix = rel_prefix
search_index_rel_prefix = asset_rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
@title = 'Local RDoc Documentation'
render_template template_file do |io| binding end
rescue => e
error = RDoc::Error.new \
"error generating servlet_root: #{e.message} (#{e.class})"
error.set_backtrace e.backtrace
raise error
end
##
# Generate an index page which lists all the classes which are documented.
def generate_table_of_contents
setup
template_file = @template_dir + 'table_of_contents.rhtml'
return unless template_file.exist?
debug_msg "Rendering the Table of Contents..."
out_file = @outputdir + 'table_of_contents.html'
rel_prefix = @outputdir.relative_path_from out_file.dirname
search_index_rel_prefix = rel_prefix
search_index_rel_prefix += @asset_rel_path if @file_output
asset_rel_prefix = rel_prefix + @asset_rel_path
@title = "Table of Contents - #{@options.title}"
render_template template_file, out_file do |io|
here = binding
# suppress 1.9.3 warning
here.local_variable_set(:asset_rel_prefix, asset_rel_prefix)
here
end
rescue => e
error = RDoc::Error.new \
"error generating table_of_contents.html: #{e.message} (#{e.class})"
error.set_backtrace e.backtrace
raise error
end
def install_rdoc_static_file source, destination, options # :nodoc:
return unless source.exist?
begin
FileUtils.mkdir_p File.dirname(destination), **options
begin
FileUtils.ln source, destination, **options
rescue Errno::EEXIST
FileUtils.rm destination
retry
end
rescue
FileUtils.cp source, destination, **options
end
end
##
# Prepares for generation of output from the current directory
def setup
return if instance_variable_defined? :@outputdir
@outputdir = Pathname.new(@options.op_dir).expand_path @base_dir
return unless @store
@classes = @store.all_classes_and_modules.sort
@files = @store.all_files.sort
@methods = @classes.map { |m| m.method_list }.flatten.sort
@modsort = get_sorted_module_list @classes
end
##
# Return a string describing the amount of time in the given number of
# seconds in terms a human can understand easily.
def time_delta_string seconds
return 'less than a minute' if seconds < 60
return "#{seconds / 60} minute#{seconds / 60 == 1 ? '' : 's'}" if
seconds < 3000 # 50 minutes
return 'about one hour' if seconds < 5400 # 90 minutes
return "#{seconds / 3600} hours" if seconds < 64800 # 18 hours
return 'one day' if seconds < 86400 # 1 day
return 'about one day' if seconds < 172800 # 2 days
return "#{seconds / 86400} days" if seconds < 604800 # 1 week
return 'about one week' if seconds < 1209600 # 2 week
return "#{seconds / 604800} weeks" if seconds < 7257600 # 3 months
return "#{seconds / 2419200} months" if seconds < 31536000 # 1 year
return "#{seconds / 31536000} years"
end
# %q$Id: darkfish.rb 52 2009-01-07 02:08:11Z deveiant $"
SVNID_PATTERN = /
\$Id:\s
(\S+)\s # filename
(\d+)\s # rev
(\d{4}-\d{2}-\d{2})\s # Date (YYYY-MM-DD)
(\d{2}:\d{2}:\d{2}Z)\s # Time (HH:MM:SSZ)
(\w+)\s # committer
\$$
/x
##
# Try to extract Subversion information out of the first constant whose
# value looks like a subversion Id tag. If no matching constant is found,
# and empty hash is returned.
def get_svninfo klass
constants = klass.constants or return {}
constants.find { |c| c.value =~ SVNID_PATTERN } or return {}
filename, rev, date, time, committer = $~.captures
commitdate = Time.parse "#{date} #{time}"
return {
:filename => filename,
:rev => Integer(rev),
:commitdate => commitdate,
:commitdelta => time_delta_string(Time.now - commitdate),
:committer => committer,
}
end
##
# Creates a template from its components and the +body_file+.
#
# For backwards compatibility, if +body_file+ contains "<html" the body is
# used directly.
def assemble_template body_file
body = body_file.read
return body if body =~ /<html/
head_file = @template_dir + '_head.rhtml'
footer_file = @template_dir + '_footer.rhtml'
<<-TEMPLATE
<!DOCTYPE html>
<html>
<head>
#{head_file.read}
#{body}
#{footer_file.read}
TEMPLATE
end
##
# Renders the ERb contained in +file_name+ relative to the template
# directory and returns the result based on the current context.
def render file_name
template_file = @template_dir + file_name
template = template_for template_file, false, RDoc::ERBPartial
template.filename = template_file.to_s
template.result @context
end
##
# Load and render the erb template in the given +template_file+ and write
# it out to +out_file+.
#
# Both +template_file+ and +out_file+ should be Pathname-like objects.
#
# An io will be yielded which must be captured by binding in the caller.
def render_template template_file, out_file = nil # :yield: io
io_output = out_file && !@dry_run && @file_output
erb_klass = io_output ? RDoc::ERBIO : ERB
template = template_for template_file, true, erb_klass
if io_output then
debug_msg "Outputting to %s" % [out_file.expand_path]
out_file.dirname.mkpath
out_file.open 'w', 0644 do |io|
io.set_encoding @options.encoding
@context = yield io
template_result template, @context, template_file
end
else
@context = yield nil
output = template_result template, @context, template_file
debug_msg " would have written %d characters to %s" % [
output.length, out_file.expand_path
] if @dry_run
output
end
end
##
# Creates the result for +template+ with +context+. If an error is raised a
# Pathname +template_file+ will indicate the file where the error occurred.
def template_result template, context, template_file
template.filename = template_file.to_s
template.result context
rescue NoMethodError => e
raise RDoc::Error, "Error while evaluating %s: %s" % [
template_file.expand_path,
e.message,
], e.backtrace
end
##
# Retrieves a cache template for +file+, if present, or fills the cache.
def template_for file, page = true, klass = ERB
template = @template_cache[file]
return template if template
if page then
template = assemble_template file
erbout = 'io'
else
template = file.read
template = template.encode @options.encoding
file_var = File.basename(file).sub(/\..*/, '')
erbout = "_erbout_#{file_var}"
end
if RUBY_VERSION >= '2.6'
template = klass.new template, trim_mode: '-', eoutvar: erbout
else
template = klass.new template, nil, '-', erbout
end
@template_cache[file] = template
template
end
end