1 | #!/usr/bin/env ruby
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2 | # This program converts DocBook documents into .epub files.
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3 | #
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4 | # Usage: dbtoepub [OPTIONS] [DocBook Files]
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5 | #
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6 | # .epub is defined by the IDPF at www.idpf.org and is made up of 3 standards:
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7 | # - Open Publication Structure (OPS)
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8 | # - Open Packaging Format (OPF)
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9 | # - Open Container Format (OCF)
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10 | #
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11 | # Specific options:
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12 | # -c, --css [FILE] Use FILE for CSS on generated XHTML.
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13 | # -d, --debug Show debugging output.
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14 | # -f, --font [OTF FILE] Embed OTF FILE in .epub.
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15 | # -h, --help Display usage info.
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16 | # -s, --stylesheet [XSL FILE] Use XSL FILE as a customization
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17 | # layer (imports epub/docbook.xsl).
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18 | # -v, --verbose Make output verbose.
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19 |
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20 | lib = File.expand_path(File.join(File.dirname(__FILE__), 'lib'))
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21 | $LOAD_PATH.unshift(lib) if File.exist?(lib)
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22 |
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23 | require 'fileutils'
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24 | require 'optparse'
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25 | require 'tmpdir'
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26 |
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27 | require 'docbook'
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28 |
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29 | verbose = false
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30 | debug = false
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31 | css_file = nil
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32 | otf_files = []
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33 | customization_layer = nil
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34 | output_file = nil
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35 |
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36 | #$DEBUG=true
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37 |
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38 | # Set up the OptionParser
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39 | opts = OptionParser.new
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40 | opts.banner = "Usage: #{File.basename($0)} [OPTIONS] [DocBook Files]
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41 |
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42 | #{File.basename($0)} converts DocBook <book> and <article>s into to .epub files.
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43 |
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44 | .epub is defined by the IDPF at www.idpf.org and is made up of 3 standards:
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45 | - Open Publication Structure (OPS)
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46 | - Open Packaging Format (OPF)
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47 | - Open Container Format (OCF)
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48 |
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49 | Specific options:"
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50 | opts.on("-c", "--css [FILE]", "Use FILE for CSS on generated XHTML.") {|f| css_file = f}
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51 | opts.on("-d", "--debug", "Show debugging output.") {debug = true; verbose = true}
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52 | opts.on("-f", "--font [OTF FILE]", "Embed OTF FILE in .epub.") {|f| otf_files << f}
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53 | opts.on("-h", "--help", "Display usage info.") {puts opts.to_s; exit 0}
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54 | opts.on("-o", "--output [OUTPUT FILE]", "Output ePub file as OUTPUT FILE.") {|f| output_file = f}
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55 | opts.on("-s", "--stylesheet [XSL FILE]", "Use XSL FILE as a customization layer (imports epub/docbook.xsl).") {|f| customization_layer = f}
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56 | opts.on("-v", "--verbose", "Make output verbose.") {verbose = true}
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57 |
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58 | db_files = opts.parse(ARGV)
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59 | if db_files.size == 0
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60 | puts opts.to_s
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61 | exit 0
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62 | end
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63 |
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64 | db_files.each {|docbook_file|
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65 | dir = File.expand_path(File.join(Dir.tmpdir, ".epubtmp#{Time.now.to_f.to_s}"))
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66 | FileUtils.mkdir_p(dir)
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67 | e = DocBook::Epub.new(docbook_file, dir, css_file, customization_layer, otf_files)
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68 |
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69 | if output_file
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70 | epub_file = output_file
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71 | else
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72 | epub_file = File.basename(docbook_file, ".xml") + ".epub"
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73 | end
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74 | puts "Rendering DocBook file #{docbook_file} to #{epub_file}" if verbose
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75 | e.render_to_file(epub_file)
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76 | }
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