Class: Labels::XML::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/labels/xml/parser.rb

Overview

This class parses a Labels XML document and creates a returns an instantiated Labels::Document instance from the XML

Class Method Summary collapse

Class Method Details

.parse(xml) ⇒ Object

Parses the provided XML into a Labels::Document instance



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
 
# File 'lib/labels/xml/parser.rb', line 31

def parse(xml)
  doc = Nokogiri::XML(xml)
  
  if doc.nil? || doc.root.nil?
    return nil
  end
  
  root_node = doc.root
  paper_node = root_node.at_xpath('paper')
  template_node = root_node.at_xpath('template')
  layer_nodes = root_node.xpath('layers/layer')
  database_node = root_node.at_xpath('database')
  row_nodes = root_node.xpath('database/row')
  
  unless paper_node.nil?
    paper = Labels::Paper.new({
      :title => paper_node['title'],
      :width => (paper_node.at_xpath('width').text.to_f unless paper_node.at_xpath('width').nil?),
      :height => (paper_node.at_xpath('height').text.to_f unless paper_node.at_xpath('height').nil?)
    })
  end
  
  unless template_node.nil?
    template = Labels::Template.new({
      :title => template_node['title'],
      :description => template_node['description'],
      :manufacturer => template_node['manufacturer'],
      :category => template_node['category'],
      :visible => template_node['visible'].to_bool,
      :width => (template_node.at_xpath('width').text.to_f unless template_node.at_xpath('width').nil?),
      :height => (template_node.at_xpath('height').text.to_f unless template_node.at_xpath('height').nil?),
      :columns => (template_node.at_xpath('columns').text.to_i unless template_node.at_xpath('columns').nil?),
      :rows => (template_node.at_xpath('rows').text.to_i unless template_node.at_xpath('rows').nil?),
      :left_margin => (template_node.at_xpath('left-margin').text.to_f unless template_node.at_xpath('left-margin').nil?),
      :right_margin => (template_node.at_xpath('right-margin').text.to_f unless template_node.at_xpath('right-margin').nil?),
      :top_margin => (template_node.at_xpath('top-margin').text.to_f unless template_node.at_xpath('top-margin').nil?),
      :bottom_margin => (template_node.at_xpath('bottom-margin').text.to_f unless template_node.at_xpath('bottom-margin').nil?),
      :horizontal_gutter => (template_node.at_xpath('horizontal-gutter').text.to_f unless template_node.at_xpath('horizontal-gutter').nil?),
      :vertical_gutter => (template_node.at_xpath('vertical-gutter').text.to_f unless template_node.at_xpath('vertical-gutter').nil?),
      :elliptical => (template_node.at_xpath('elliptical').text.to_bool unless template_node.at_xpath('elliptical').nil?),
      :corner_radius => (template_node.at_xpath('corner-radius').text.to_f unless template_node.at_xpath('corner-radius').nil?)
    })
  end
  
  unless layer_nodes.nil?
    layers = []
    layer_nodes.each do |layer_node|
      layer_type = layer_node['type']

      case layer_type
      when 'shape'
        layer = Labels::Shape.new({
          :corner_radius => (layer_node.at_xpath('corner-radius').text.to_f unless layer_node.at_xpath('corner-radius').nil?),
          :elliptical => (layer_node.at_xpath('elliptical').text.to_bool unless layer_node.at_xpath('elliptical').nil?),
          :fill => (layer_node.at_xpath('fill').text.to_bool unless layer_node.at_xpath('fill').nil?),
          :stroke => (layer_node.at_xpath('stroke').text.to_bool unless layer_node.at_xpath('stroke').nil?),
          :fill_color => (layer_node.at_xpath('fill-color').text unless layer_node.at_xpath('fill-color').nil?),
          :stroke_color => (layer_node.at_xpath('stroke-color').text unless layer_node.at_xpath('stroke-color').nil?),
          :stroke_weight => (layer_node.at_xpath('stroke-weight').text.to_f unless layer_node.at_xpath('stroke-weight').nil?)
        })
      when 'text'
        layer = Labels::Text.new({
          :font_family => (layer_node.at_xpath('font-family').text unless layer_node.at_xpath('font-family').nil?),
          :font_size => (layer_node.at_xpath('font-size').text.to_f unless layer_node.at_xpath('font-size').nil?),
          :font_color => (layer_node.at_xpath('font-color').text unless layer_node.at_xpath('font-color').nil?),
          :bold => (layer_node.at_xpath('bold').text.to_bool unless layer_node.at_xpath('bold').nil?),
          :italic => (layer_node.at_xpath('italic').text.to_bool unless layer_node.at_xpath('italic').nil?),
          :underline => (layer_node.at_xpath('underline').text.to_bool unless layer_node.at_xpath('underline').nil?),
          :justification => (layer_node.at_xpath('justification').text unless layer_node.at_xpath('justification').nil?)
        })
      when 'image'
        layer = Labels::Image.new({
          :fit => (layer_node.at_xpath('fit').text.to_bool unless layer_node.at_xpath('fit').nil?),
          :stretch => (layer_node.at_xpath('stretch').text.to_bool unless layer_node.at_xpath('stretch').nil?),
        })
      when 'barcode'
        layer = Labels::Barcode.new({
          :symbology => (layer_node.at_xpath('symbology').text unless layer_node.at_xpath('symbology').nil?),
          :bar_width => (layer_node.at_xpath('bar-width').text.to_i unless layer_node.at_xpath('bar-width').nil?),
          :bar_height => (layer_node.at_xpath('bar-height').text.to_i unless layer_node.at_xpath('bar-height').nil?),
          :color => (layer_node.at_xpath('color').text unless layer_node.at_xpath('color').nil?),
          :caption_height => (layer_node.at_xpath('caption-height').text.to_i unless layer_node.at_xpath('caption-height').nil?),
          :caption_size => (layer_node.at_xpath('caption-size').text.to_i unless layer_node.at_xpath('caption-size').nil?),
          :captioned => (layer_node.at_xpath('captioned').text.to_bool unless layer_node.at_xpath('captioned').nil?),
        })
      when 'date'
        layer = Labels::Date.new({
          :font_family => (layer_node.at_xpath('font-family').text unless layer_node.at_xpath('font-family').nil?),
          :font_size => (layer_node.at_xpath('font-size').text.to_f unless layer_node.at_xpath('font-size').nil?),
          :font_color => (layer_node.at_xpath('font-color').text unless layer_node.at_xpath('font-color').nil?),
          :bold => (layer_node.at_xpath('bold').text.to_bool unless layer_node.at_xpath('bold').nil?),
          :italic => (layer_node.at_xpath('italic').text.to_bool unless layer_node.at_xpath('italic').nil?),
          :underline => (layer_node.at_xpath('underline').text.to_bool unless layer_node.at_xpath('underline').nil?),
          :justification => (layer_node.at_xpath('justification').text unless layer_node.at_xpath('justification').nil?),
          :format => (layer_node.at_xpath('format').text unless layer_node.at_xpath('format').nil?)
        })
      end

      layer.title = layer_node['title']
      layer.type = layer_node['type']
      layer.column = layer_node['column']
      layer.locked = layer_node['locked'].to_bool
      layer.visible = layer_node['visible'].to_bool
      layer.x = layer_node.at_xpath('x').text.to_f unless layer_node.at_xpath('x').nil?
      layer.y = layer_node.at_xpath('y').text.to_f unless layer_node.at_xpath('y').nil?
      layer.z = layer_node.at_xpath('z').text.to_f unless layer_node.at_xpath('z').nil?
      layer.width = layer_node.at_xpath('width').text.to_f unless layer_node.at_xpath('width').nil?
      layer.height = layer_node.at_xpath('height').text.to_f unless layer_node.at_xpath('height').nil?
      layer.alpha = layer_node.at_xpath('alpha').text.to_f unless layer_node.at_xpath('alpha').nil?
      layer.rotation = layer_node.at_xpath('rotation').text.to_f unless layer_node.at_xpath('rotation').nil?
      layer.content = layer_node.at_xpath('content').text unless layer_node.at_xpath('content').nil?

      layers.push(layer)
    end
  end
  
  unless database_node.nil?
    database = Labels::Database.new({
      :title => database_node['title']
    })
    unless row_nodes.nil?
      data = []
      row_nodes.each do |row_node|
        row = {}
        keys_node = row_node.xpath('key')
        keys_node.each do |key_node|
          row[key_node['name']] = key_node.text
        end
        data.push(row)
      end
      database.data = data
    end
  end
  
  Labels::Document.new(paper, template, layers, database)
end