113 lines
2.8 KiB
Ruby
113 lines
2.8 KiB
Ruby
require 'rdoc/generators/html_generator'
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module Generators
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class CHMGenerator < HTMLGenerator
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HHC_PATH = "c:/Program Files/HTML Help Workshop/hhc.exe"
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# Standard generator factory
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def CHMGenerator.for(options)
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CHMGenerator.new(options)
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end
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def initialize(*args)
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super
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@op_name = @options.op_name || "rdoc"
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check_for_html_help_workshop
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end
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def check_for_html_help_workshop
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stat = File.stat(HHC_PATH)
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rescue
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$stderr <<
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"\n.chm output generation requires that Microsoft's Html Help\n" <<
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"Workshop is installed. RDoc looks for it in:\n\n " <<
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HHC_PATH <<
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"\n\nYou can download a copy for free from:\n\n" <<
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" http://msdn.microsoft.com/library/default.asp?" <<
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"url=/library/en-us/htmlhelp/html/hwMicrosoftHTMLHelpDownloads.asp\n\n"
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exit 99
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end
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# Generate the html as normal, then wrap it
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# in a help project
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def generate(info)
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super
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@project_name = @op_name + ".hhp"
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create_help_project
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end
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# The project contains the project file, a table of contents
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# and an index
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def create_help_project
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create_project_file
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create_contents_and_index
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compile_project
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end
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# The project file links together all the various
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# files that go to make up the help.
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def create_project_file
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template = TemplatePage.new(RDoc::Page::HPP_FILE)
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values = { "title" => @options.title, "opname" => @op_name }
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files = []
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@files.each do |f|
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files << { "html_file_name" => f.path }
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end
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values['all_html_files'] = files
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File.open(@project_name, "w") do |f|
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template.write_html_on(f, values)
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end
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end
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# The contents is a list of all files and modules.
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# For each we include as sub-entries the list
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# of methods they contain. As we build the contents
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# we also build an index file
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def create_contents_and_index
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contents = []
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index = []
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(@files+@classes).sort.each do |entry|
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content_entry = { "c_name" => entry.name, "ref" => entry.path }
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index << { "name" => entry.name, "aref" => entry.path }
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internals = []
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methods = entry.build_method_summary_list(entry.path)
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content_entry["methods"] = methods unless methods.empty?
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contents << content_entry
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index.concat methods
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end
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values = { "contents" => contents }
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template = TemplatePage.new(RDoc::Page::CONTENTS)
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File.open("contents.hhc", "w") do |f|
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template.write_html_on(f, values)
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end
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values = { "index" => index }
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template = TemplatePage.new(RDoc::Page::CHM_INDEX)
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File.open("index.hhk", "w") do |f|
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template.write_html_on(f, values)
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end
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end
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# Invoke the windows help compiler to compiler the project
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def compile_project
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system(HHC_PATH, @project_name)
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end
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end
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end
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