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-rwxr-xr-x3rdParty/DocBook/XSL/epub/bin/dbtoepub72
-rwxr-xr-x3rdParty/DocBook/XSL/epub/bin/lib/docbook.rb226
2 files changed, 298 insertions, 0 deletions
diff --git a/3rdParty/DocBook/XSL/epub/bin/dbtoepub b/3rdParty/DocBook/XSL/epub/bin/dbtoepub
new file mode 100755
index 0000000..d864024
--- /dev/null
+++ b/3rdParty/DocBook/XSL/epub/bin/dbtoepub
@@ -0,0 +1,72 @@
+#!/usr/bin/env ruby
+# This program converts DocBook documents into .epub files.
+#
+# Usage: dbtoepub [OPTIONS] [DocBook Files]
+#
+# .epub is defined by the IDPF at www.idpf.org and is made up of 3 standards:
+# - Open Publication Structure (OPS)
+# - Open Packaging Format (OPF)
+# - Open Container Format (OCF)
+#
+# Specific options:
+# -c, --css [FILE] Use FILE for CSS on generated XHTML.
+# -d, --debug Show debugging output.
+# -f, --font [OTF FILE] Embed OTF FILE in .epub.
+# -h, --help Display usage info.
+# -s, --stylesheet [XSL FILE] Use XSL FILE as a customization
+# layer (imports epub/docbook.xsl).
+# -v, --verbose Make output verbose.
+
+lib = File.expand_path(File.join(File.dirname(__FILE__), 'lib'))
+$LOAD_PATH.unshift(lib) if File.exist?(lib)
+
+require 'optparse'
+require 'tmpdir'
+
+require 'docbook'
+
+verbose = false
+debug = false
+css_file = nil
+otf_files = []
+customization_layer = nil
+output_file = nil
+
+# Set up the OptionParser
+opts = OptionParser.new
+opts.banner = "Usage: #{File.basename($0)} [OPTIONS] [DocBook Files]
+
+#{File.basename($0)} converts DocBook <book> and <article>s into to .epub files.
+
+.epub is defined by the IDPF at www.idpf.org and is made up of 3 standards:
+- Open Publication Structure (OPS)
+- Open Packaging Format (OPF)
+- Open Container Format (OCF)
+
+Specific options:"
+opts.on("-c", "--css [FILE]", "Use FILE for CSS on generated XHTML.") {|f| css_file = f}
+opts.on("-d", "--debug", "Show debugging output.") {debug = true; verbose = true}
+opts.on("-f", "--font [OTF FILE]", "Embed OTF FILE in .epub.") {|f| otf_files << f}
+opts.on("-h", "--help", "Display usage info.") {puts opts.to_s; exit 0}
+opts.on("-o", "--output [OUTPUT FILE]", "Output ePub file as OUTPUT FILE.") {|f| output_file = f}
+opts.on("-s", "--stylesheet [XSL FILE]", "Use XSL FILE as a customization layer (imports epub/docbook.xsl).") {|f| customization_layer = f}
+opts.on("-v", "--verbose", "Make output verbose.") {verbose = true}
+
+db_files = opts.parse(ARGV)
+if db_files.size == 0
+ puts opts.to_s
+ exit 0
+end
+
+db_files.each {|docbook_file|
+ dir = File.expand_path(File.join(Dir.tmpdir, ".epubtmp#{Time.now.to_f.to_s}"))
+ e = DocBook::Epub.new(docbook_file, dir, css_file, customization_layer, otf_files)
+
+ if output_file
+ epub_file = output_file
+ else
+ epub_file = File.basename(docbook_file, ".xml") + ".epub"
+ end
+ puts "Rendering DocBook file #{docbook_file} to #{epub_file}" if verbose
+ e.render_to_file(epub_file)
+}
diff --git a/3rdParty/DocBook/XSL/epub/bin/lib/docbook.rb b/3rdParty/DocBook/XSL/epub/bin/lib/docbook.rb
new file mode 100755
index 0000000..ef72ef8
--- /dev/null
+++ b/3rdParty/DocBook/XSL/epub/bin/lib/docbook.rb
@@ -0,0 +1,226 @@
+require 'fileutils'
+require 'rexml/parsers/pullparser'
+
+module DocBook
+
+ class Epub
+ CHECKER = "epubcheck"
+ STYLESHEET = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', "docbook.xsl"))
+ CALLOUT_PATH = File.join('images', 'callouts')
+ CALLOUT_FULL_PATH = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '..', CALLOUT_PATH))
+ CALLOUT_LIMIT = 15
+ CALLOUT_EXT = ".png"
+ XSLT_PROCESSOR = "xsltproc"
+ OUTPUT_DIR = ".epubtmp#{Time.now.to_f.to_s}"
+ MIMETYPE = "application/epub+zip"
+ META_DIR = "META-INF"
+ OEBPS_DIR = "OEBPS"
+ ZIPPER = "zip"
+
+ attr_reader :output_dir
+
+ def initialize(docbook_file, output_dir=OUTPUT_DIR, css_file=nil, customization_layer=nil, embedded_fonts=[])
+ @docbook_file = docbook_file
+ @output_dir = output_dir
+ @meta_dir = File.join(@output_dir, META_DIR)
+ @oebps_dir = File.join(@output_dir, OEBPS_DIR)
+ @css_file = css_file ? File.expand_path(css_file) : css_file
+ @embedded_fonts = embedded_fonts
+ raise NotImplementedError if @embedded_fonts.length > 1
+ @to_delete = []
+
+ if customization_layer
+ @stylesheet = File.expand_path(customization_layer)
+ else
+ @stylesheet = STYLESHEET
+ end
+
+ unless File.exist?(@docbook_file)
+ raise ArgumentError.new("File #{@docbook_file} does not exist")
+ end
+ end
+
+ def render_to_file(output_file, verbose=false)
+ render_to_epub(output_file, verbose)
+ bundle_epub(output_file, verbose)
+ cleanup_files(@to_delete)
+ end
+
+ def self.invalid?(file)
+ # Obnoxiously, we can't just check for a non-zero output...
+ cmd = "#{CHECKER} #{file}"
+ output = `#{cmd} 2>&1`
+
+ if $?.to_i == 0
+ return false
+ else
+ STDERR.puts output if $DEBUG
+ return output
+ end
+ end
+
+ private
+ def render_to_epub(output_file, verbose)
+ @collapsed_docbook_file = collapse_docbook()
+
+ chunk_quietly = "--stringparam chunk.quietly " + (verbose ? '0' : '1')
+ callout_path = "--stringparam callout.graphics.path #{CALLOUT_PATH}/"
+ callout_limit = "--stringparam callout.graphics.number.limit #{CALLOUT_LIMIT}"
+ callout_ext = "--stringparam callout.graphics.extension #{CALLOUT_EXT}"
+ html_stylesheet = "--stringparam html.stylesheet #{File.basename(@css_file)}" if @css_file
+ base = "--stringparam base.dir #{@oebps_dir}/"
+ unless @embedded_fonts.empty?
+ font = "--stringparam epub.embedded.font \"#{File.basename(@embedded_fonts.first)}\""
+ end
+ meta = "--stringparam epub.metainf.dir #{@meta_dir}/"
+ oebps = "--stringparam epub.oebps.dir #{@oebps_dir}/"
+ options = [chunk_quietly,
+ callout_path,
+ callout_limit,
+ callout_ext,
+ base,
+ font,
+ meta,
+ oebps,
+ html_stylesheet,
+ ].join(" ")
+ # Double-quote stylesheet & file to help Windows cmd.exe
+ db2epub_cmd = "#{XSLT_PROCESSOR} #{options} \"#{@stylesheet}\" \"#{@collapsed_docbook_file}\""
+ STDERR.puts db2epub_cmd if $DEBUG
+ success = system(db2epub_cmd)
+ raise "Could not render as .epub to #{output_file} (#{db2epub_cmd})" unless success
+ @to_delete << Dir["#{@meta_dir}/*"]
+ @to_delete << Dir["#{@oebps_dir}/*"]
+ end
+
+ def bundle_epub(output_file, verbose)
+
+ quiet = verbose ? "" : "-q"
+ mimetype_filename = write_mimetype()
+ meta = File.basename(@meta_dir)
+ oebps = File.basename(@oebps_dir)
+ images = copy_images()
+ csses = copy_csses()
+ fonts = copy_fonts()
+ callouts = copy_callouts()
+ # zip -X -r ../book.epub mimetype META-INF OEBPS
+ # Double-quote stylesheet & file to help Windows cmd.exe
+ zip_cmd = "cd \"#{@output_dir}\" && #{ZIPPER} #{quiet} -X -r \"#{File.expand_path(output_file)}\" \"#{mimetype_filename}\" \"#{meta}\" \"#{oebps}\""
+ puts zip_cmd if $DEBUG
+ success = system(zip_cmd)
+ raise "Could not bundle into .epub file to #{output_file}" unless success
+ end
+
+ # Input must be collapsed because REXML couldn't find figures in files that
+ # were XIncluded or added by ENTITY
+ # http://sourceforge.net/tracker/?func=detail&aid=2750442&group_id=21935&atid=373747
+ def collapse_docbook
+ collapsed_file = File.join(File.dirname(@docbook_file),
+ '.collapsed.' + File.basename(@docbook_file))
+ entity_collapse_command = "xmllint --loaddtd --noent -o '#{collapsed_file}' '#{@docbook_file}'"
+ entity_success = system(entity_collapse_command)
+ raise "Could not collapse named entites in #{@docbook_file}" unless entity_success
+
+ xinclude_collapse_command = "xmllint --xinclude -o '#{collapsed_file}' '#{collapsed_file}'"
+ xinclude_success = system(xinclude_collapse_command)
+ raise "Could not collapse XIncludes in #{@docbook_file}" unless xinclude_success
+
+ @to_delete << collapsed_file
+ return collapsed_file
+ end
+
+ def copy_callouts
+ new_callout_images = []
+ if has_callouts?
+ calloutglob = "#{CALLOUT_FULL_PATH}/*#{CALLOUT_EXT}"
+ Dir.glob(calloutglob).each {|img|
+ img_new_filename = File.join(@oebps_dir, CALLOUT_PATH, File.basename(img))
+
+ # TODO: What to rescue for these two?
+ FileUtils.mkdir_p(File.dirname(img_new_filename))
+ FileUtils.cp(img, img_new_filename)
+ @to_delete << img_new_filename
+ new_callout_images << img
+ }
+ end
+ return new_callout_images
+ end
+
+ def copy_fonts
+ new_fonts = []
+ @embedded_fonts.each {|font_file|
+ font_new_filename = File.join(@oebps_dir, File.basename(font_file))
+ FileUtils.cp(font_file, font_new_filename)
+ new_fonts << font_file
+ }
+ return new_fonts
+ end
+
+ def copy_csses
+ if @css_file
+ css_new_filename = File.join(@oebps_dir, File.basename(@css_file))
+ FileUtils.cp(@css_file, css_new_filename)
+ end
+ end
+
+ def copy_images
+ image_references = get_image_refs()
+ new_images = []
+ image_references.each {|img|
+ # TODO: It'd be cooler if we had a filetype lookup rather than just
+ # extension
+ if img =~ /\.(svg|png|gif|jpe?g|xml)/i
+ img_new_filename = File.join(@oebps_dir, img)
+ img_full = File.join(File.expand_path(File.dirname(@docbook_file)), img)
+
+ # TODO: What to rescue for these two?
+ FileUtils.mkdir_p(File.dirname(img_new_filename))
+ puts(img_full + ": " + img_new_filename) if $DEBUG
+ FileUtils.cp(img_full, img_new_filename)
+ @to_delete << img_new_filename
+ new_images << img_full
+ end
+ }
+ return new_images
+ end
+
+ def write_mimetype
+ mimetype_filename = File.join(@output_dir, "mimetype")
+ File.open(mimetype_filename, "w") {|f| f.print MIMETYPE}
+ @to_delete << mimetype_filename
+ return File.basename(mimetype_filename)
+ end
+
+ def cleanup_files(file_list)
+ file_list.flatten.each {|f|
+ # Yikes
+ FileUtils.rm_r(f, :force => true )
+ }
+ end
+
+ # Returns an Array of all of the (image) @filerefs in a document
+ def get_image_refs
+ parser = REXML::Parsers::PullParser.new(File.new(@collapsed_docbook_file))
+ image_refs = []
+ while parser.has_next?
+ el = parser.pull
+ if el.start_element? and (el[0] == "imagedata" or el[0] == "graphic")
+ image_refs << el[1]['fileref']
+ end
+ end
+ return image_refs
+ end
+
+ # Returns true if the document has code callouts
+ def has_callouts?
+ parser = REXML::Parsers::PullParser.new(File.new(@collapsed_docbook_file))
+ while parser.has_next?
+ el = parser.pull
+ if el.start_element? and (el[0] == "calloutlist" or el[0] == "co")
+ return true
+ end
+ end
+ return false
+ end
+ end
+end