Adds a infobox parser

spec/book_spec.cr

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+require "./spec_helper"
+
+describe Muse::Dl::Book do
+  it "it should parse the infobox" do
+    html = <<-EOT
+    <div class="column full">
+    <div class="title_wrap details">
+      <h2>Additional Information</h2>
+    </div>
+    <div class="details_tbl">
+      <div class="details_row">
+        <div class="cell label">
+          ISBN
+        </div>
+        <div class="cell">
+          9780813928517
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          Related ISBN
+        </div>
+        <div class="cell">
+          9780813928456
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          MARC Record
+        </div>
+        <div class="cell">
+          <a href="https://about.muse.jhu.edu/lib/metadata?filename=muse_book_875&amp;no_auth=1&amp;format=marc&amp;content_ids=book:875">Download</a>
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          OCLC
+        </div>
+        <div class="cell">
+          755633557
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          Pages
+        </div>
+        <div class="cell">
+          432
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          Launched on MUSE
+        </div>
+        <div class="cell">
+          2012-01-01
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          DOI
+        </div>
+        <div class="cell">
+          <a href="https://doi.org/10.1353/book.68534" target="_blank">10.1353/book.68534<img src="/images/link_blue.png" alt="external link" style="vertical-align:top;"></a>
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          Language
+        </div>
+        <div class="cell">
+          English
+        </div>
+      </div>
+      <div class="details_row">
+        <div class="cell label">
+          Open Access
+        </div>
+        <div class="cell">
+          No
+        </div>
+      </div>
+    </div>
+  </div>
+EOT
+    book = Muse::Dl::Book.new html
+    book.info["ISBN"].should eq "9780813928517"
+    book.info["Related ISBN"].should eq "9780813928456"
+    book.info["OCLC"].should eq "755633557"
+    book.info["Pages"].should eq "432"
+    book.info["Launched on MUSE"].should eq "2012-01-01"
+    book.info["Language"].should eq "English"
+    book.info["Open Access"].should eq "No"
+    book.info["DOI"].should eq "10.1353/book.68534"
+  end
+end

src/book.cr

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+require "./infoparser.cr"
+
+module Muse::Dl
+  class Book
+    @info = Hash(String, String).new
+    getter :info
+
+    def initialize(html : String)
+      @info = InfoParser.parse(html)
+    end
+  end
+end

src/infoparser.cr

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+require "myhtml"
+
+module Muse::Dl
+  class InfoParser
+    def self.parse(html : String)
+      info = Hash(String, String).new
+      myhtml = Myhtml::Parser.new(html)
+      myhtml.css(".details_row").each do |row|
+        label = row.css(".cell").map(&.inner_text).to_a[0].strip
+        value = row.css(".cell").map(&.inner_text).to_a[1].strip
+        case label
+        when "MARC Record"
+        else
+          info[label] = value
+        end
+      end
+      return info
+    end
+  end
+end

src/journal.cr

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+require "./infoparser.cr"
+
+module Muse::Dl
+  class Journal
+    @info = Hash(String, String).new
+    getter :info
+
+    def initialize(html : String)
+      @info = InfoParser.parse(html)
+    end
+  end
+end