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Parses a yaml file into nested HTML tables with the inline comments displayed as documentation
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| require 'yaml' | |
| def insert_comments(file) | |
| result = "" | |
| i = 0 | |
| file.each_line do |line| | |
| leading_indentation = line[/^\s*/] | |
| comment_split = line.split("#").reverse | |
| if comment_split.length == 2 | |
| result += "\n#{leading_indentation}__comment_#{i}: " | |
| end | |
| result += comment_split.join + "\n" | |
| i += 1 | |
| end | |
| result | |
| end | |
| def layout_table | |
| table = Class.new do | |
| attr_reader :rows, :columns | |
| def initialize | |
| @rows = [] | |
| @columns = [] | |
| end | |
| def add_column(column_name) | |
| @columns << column_name | |
| end | |
| def add_row | |
| row = Class.new do | |
| attr_reader :blocks | |
| def initialize | |
| @blocks = [] | |
| end | |
| def add_block(block) | |
| @blocks << block | |
| end | |
| def to_html | |
| <<-HTML | |
| <tr> | |
| #{blocks.map { |block| "<td> #{block} </td>" }.join("\n") } | |
| </tr> | |
| HTML | |
| end | |
| end.new | |
| yield(row) | |
| @rows << row | |
| end | |
| def to_html | |
| <<-HTML | |
| <table> | |
| <thead> | |
| <tr> | |
| #{columns.map { |col| "<th> #{col} </th>" }.join} | |
| </tr> | |
| </thead> | |
| <tbody> | |
| #{rows.map(&:to_html).join} | |
| </tbody> | |
| </table> | |
| HTML | |
| end | |
| end.new | |
| yield(table) | |
| table | |
| end | |
| def hash_to_html(hash) | |
| layout_table do |t| | |
| t.add_column("") | |
| t.add_column("") | |
| t.add_column("") | |
| comment = "" | |
| hash.each do |(key, value)| | |
| if key =~ /^__comment/ | |
| comment += value | |
| else | |
| t.add_row do |r| | |
| r.add_block(key.to_s) | |
| if value.is_a? Hash | |
| value = hash_to_html(value) | |
| end | |
| r.add_block(value) | |
| r.add_block(comment) | |
| comment = "" | |
| end | |
| end | |
| end | |
| end.to_html | |
| end | |
| # puts insert_comments(STDIN.read) | |
| yaml = YAML.load(insert_comments(STDIN.read)) | |
| puts <<-HTML | |
| <!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"> | |
| <html lang=\"en-US\" xml:lang=\"en-US\" xmlns=\"http://www.w3.org/1999/xhtml\"> | |
| <head> | |
| <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" /> | |
| </head> | |
| <body> | |
| #{hash_to_html(yaml)} | |
| </body> | |
| </html> | |
| HTML |
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