Class: RDocF95::Generator::CHM

Inherits:
HTML
  • Object
show all
Defined in:
lib/rdoc-f95/generator/chm.rb

Defined Under Namespace

Modules: CHM

Constant Summary collapse

HHC_PATH = 
"c:/Program Files/HTML Help Workshop/hhc.exe"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ CHM

Returns a new instance of CHM.



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# File 'lib/rdoc-f95/generator/chm.rb', line 14

def initialize(*args)
  super
  @op_name = @options.op_name || "rdoc"
  check_for_html_help_workshop
end

Class Method Details

.for(options) ⇒ Object

Standard generator factory



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# File 'lib/rdoc-f95/generator/chm.rb', line 10

def self.for(options)
  new(options)
end

Instance Method Details

#check_for_html_help_workshop ⇒ Object 



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# File 'lib/rdoc-f95/generator/chm.rb', line 20

def check_for_html_help_workshop
  stat = File.stat(HHC_PATH)
rescue
  $stderr <<
    "\n.chm output generation requires that Microsoft's Html Help\n" <<
    "Workshop is installed. RDoc looks for it in:\n\n    " <<
    HHC_PATH <<
    "\n\nYou can download a copy for free from:\n\n" <<
    "    http://msdn.microsoft.com/library/default.asp?" <<
    "url=/library/en-us/htmlhelp/html/hwMicrosoftHTMLHelpDownloads.asp\n\n"
end

#compile_project ⇒ Object

Invoke the windows help compiler to compiler the project



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# File 'lib/rdoc-f95/generator/chm.rb', line 108

def compile_project
  system(HHC_PATH, @project_name)
end

#create_contents_and_index ⇒ Object

The contents is a list of all files and modules. For each we include as sub-entries the list of methods they contain. As we build the contents we also build an index file



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# File 'lib/rdoc-f95/generator/chm.rb', line 75

def create_contents_and_index
  contents = []
  index    = []

  (@files+@classes).sort.each do |entry|
    content_entry = { "c_name" => entry.name, "ref" => entry.path }
    index << { "name" => entry.name, "aref" => entry.path }

    internals = []

    methods = entry.build_method_summary_list(entry.path)

    content_entry["methods"] = methods unless methods.empty?
    contents << content_entry
    index.concat methods
  end

  values = { "contents" => contents }
  template = RDocF95::TemplatePage.new @template::CONTENTS
  File.open("contents.hhc", "w") do |f|
    template.write_html_on(f, values)
  end

  values = { "index" => index }
  template = RDocF95::TemplatePage.new @template::CHM_INDEX
  File.open("index.hhk", "w") do |f|
    template.write_html_on(f, values)
  end
end

#create_help_project ⇒ Object

The project contains the project file, a table of contents and an index



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# File 'lib/rdoc-f95/generator/chm.rb', line 44

def create_help_project
  create_project_file
  create_contents_and_index
  compile_project
end

#create_project_file ⇒ Object

The project file links together all the various files that go to make up the help.



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# File 'lib/rdoc-f95/generator/chm.rb', line 54

def create_project_file
  template = RDocF95::TemplatePage.new @template::HPP_FILE
  values = { "title" => @options.title, "opname" => @op_name }
  files = []
  @files.each do |f|
    files << { "html_file_name" => f.path }
  end

  values['all_html_files'] = files

  File.open(@project_name, "w") do |f|
    template.write_html_on(f, values)
  end
end

#generate(info) ⇒ Object

Generate the html as normal, then wrap it in a help project



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# File 'lib/rdoc-f95/generator/chm.rb', line 35

def generate(info)
  super
  @project_name = @op_name + ".hhp"
  create_help_project
end