Class: Polyrex

Inherits:
Object
  • Object
show all
Defined in:
lib/polyrex.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(location = nil, opt = {}) ⇒ Polyrex

Returns a new instance of Polyrex.



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
 
# File 'lib/polyrex.rb', line 43

def initialize(location=nil, opt={})

  options = {id_counter: '1'}.merge opt
  @id_counter = options[:id_counter]
  @format_masks = []
  @delimiter = '' 
  
  if location then

    self.method(:schema=).call(options[:schema]) if options[:schema]

    openx(location)

    if options[:schema] then

      fields = @schema[/\/.*/].scan(/\[([^\]]+)/).map \
        {|x| x.first.split(',').map(&:strip)}
      refresh_records self.records, fields, 0

    end


    summary_h = Hash[*@doc.root.xpath("summary/*").map {|x| [x.name, x.text]}.flatten]      
    #@summary = OpenStruct.new summary_h

    @summary = RecordX.new summary_h
    @summary_fields = summary_h.keys.map(&:to_sym)
  end
  
  @polyrex_xslt = RecordxXSLT.new
end

Instance Attribute Details

#delimiter ⇒ Object

Returns the value of attribute delimiter.



40
41
42
 
# File 'lib/polyrex.rb', line 40

def delimiter
  @delimiter
end

#id_counter ⇒ Object

Returns the value of attribute id_counter.



40
41
42
 
# File 'lib/polyrex.rb', line 40

def id_counter
  @id_counter
end

#schema ⇒ Object

Returns the value of attribute schema.



40
41
42
 
# File 'lib/polyrex.rb', line 40

def schema
  @schema
end

#summary_fields ⇒ Object

Returns the value of attribute summary_fields.



40
41
42
 
# File 'lib/polyrex.rb', line 40

def summary_fields
  @summary_fields
end

#type ⇒ Object

Returns the value of attribute type.



40
41
42
 
# File 'lib/polyrex.rb', line 40

def type
  @type
end

#xslt_schema ⇒ Object

Returns the value of attribute xslt_schema.



40
41
42
 
# File 'lib/polyrex.rb', line 40

def xslt_schema
  @xslt_schema
end

Instance Method Details

#add(pxobj) ⇒ Object 



75
76
77
 
# File 'lib/polyrex.rb', line 75

def add(pxobj)
  self.record.add pxobj.node
end

#build(records, indent = 0) ⇒ Object 



228
229
230
231
232
233
234
235
236
237
238
239
240
 
# File 'lib/polyrex.rb', line 228

def build(records, indent=0)

  records.map do |item|

    summary = item.element 'summary'
    format_mask = summary.text 'format_mask'
    line = format_mask.gsub(/\[![^\]]+\]/){|x| summary.text x[2..-2]}

    records = item.element('records').elements.to_a
    line = line + "\n" + build(records, indent + 1).join("\n") if records.length > 0
    ('  ' * indent) + line
  end
end

#content(options = {}) ⇒ Object 



79
80
81
 
# File 'lib/polyrex.rb', line 79

def content(options={})
  CGI.unescapeHTML(to_xml(options))
end

#create(id = nil) ⇒ Object 



83
84
85
86
87
88
89
 
# File 'lib/polyrex.rb', line 83

def create(id=nil)
    # @create is a PolyrexCreateObject, @parent_node is a Rexle::Element pointing to the current record
  
  @create.id = id || @id_counter
  @create.record = @parent_node.name == 'records' ? @parent_node.root : @parent_node.root.element('records')
  @create
end

#delete(x = nil) ⇒ Object 



91
92
93
94
95
96
97
98
 
# File 'lib/polyrex.rb', line 91

def delete(x=nil)

  if x.to_i.to_s  == x.to_s then
    @doc.root.delete("//[@id='#{x}'")
  else
    @doc.root.xpath(x).each(&:delete)
  end
end

#element(s) ⇒ Object 



155
156
157
 
# File 'lib/polyrex.rb', line 155

def element(s)
  @doc.root.element(s)
end

#find_by_id(id) ⇒ Object

– start of crud methods –



129
130
131
132
 
# File 'lib/polyrex.rb', line 129

def find_by_id(id)
  @parent_node = @doc.root.element("//[@id='#{id}']")
  @objects[@parent_node.name].new(@parent_node, @id)
end

#format_masks ⇒ Object

– start of full text edit methods



142
143
144
 
# File 'lib/polyrex.rb', line 142

def format_masks
  @format_masks
end

#id(id) ⇒ Object 



134
135
136
137
 
# File 'lib/polyrex.rb', line 134

def id(id)
  @parent_node = @doc.root.element("//[@id='#{id}']")
  self
end

#parse(buffer = '', options = {}) ⇒ Object Also known as: import 



146
147
148
149
150
151
 
# File 'lib/polyrex.rb', line 146

def parse(buffer='', options={})

  buffer = yield if block_given?          
  string_parse buffer.clone, options
  self
end

#record ⇒ Object 



109
110
111
 
# File 'lib/polyrex.rb', line 109

def record()
  @parent_node
end

#records ⇒ Object 



159
160
161
162
163
 
# File 'lib/polyrex.rb', line 159

def records
  @doc.root.xpath("records/*").map do |record|      
    @objects_a[0].new(record)
  end
end

#save(filepath = nil, options = {}) ⇒ Object 



118
119
120
121
122
123
124
125
 
# File 'lib/polyrex.rb', line 118

def save(filepath=nil, options={})    
  refresh_summary
  filepath ||= @local_filepath
  @local_filepath = filepath
  xml = @doc.to_s(options)
  buffer = block_given? ? yield(xml) : xml
  File.open(filepath,'w'){|f| f.write buffer}    
end

#summary ⇒ Object 



176
177
178
 
# File 'lib/polyrex.rb', line 176

def summary
  @summary
end

#to_a ⇒ Object 



180
181
182
 
# File 'lib/polyrex.rb', line 180

def to_a()
  recordx_map @doc.root
end

#to_dynarex ⇒ Object 



184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
 
# File 'lib/polyrex.rb', line 184

def to_dynarex()
  root = @doc.root.deep_clone

  summary = root.element('summary')
  e = summary.element('schema')
  e.text = e.text[/[^\/]+\/[^\/]+/].sub(/(\/\w+)\[([^\]]+)\]/,'\1(\2)')
  summary.delete('format_mask')
  summary.element('recordx_type').text = 'dynarex'

  summary.add root.element('records/*/summary/format_mask').clone
  root.xpath('records/*/summary/format_mask').each(&:delete)

xsl_buffer =<<EOF
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output encoding="UTF-8"
          indent="yes"
          omit-xml-declaration="yes"/>

<xsl:template match="*">
  <xsl:element name="{name()}">
  <xsl:element name="summary">
    <xsl:for-each select="summary/*">
      <xsl:copy-of select="."/>
    </xsl:for-each>
  </xsl:element>
  <xsl:element name="records">
    <xsl:for-each select="records/*">
      <xsl:element name="{name()}">
        <xsl:copy-of select="summary/*"/>
      </xsl:element>
    </xsl:for-each>
  </xsl:element>
  </xsl:element>
</xsl:template>
</xsl:stylesheet>
EOF
  xslt  = Nokogiri::XSLT(xsl_buffer)
  buffer = xslt.transform(Nokogiri::XML(root.xml)).to_s
  Dynarex.new buffer

end

#to_s ⇒ Object 



226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
 
# File 'lib/polyrex.rb', line 226

def to_s()

  def build(records, indent=0)

    records.map do |item|

      summary = item.element 'summary'
      format_mask = summary.text 'format_mask'
      line = format_mask.gsub(/\[![^\]]+\]/){|x| summary.text x[2..-2]}

      records = item.element('records').elements.to_a
      line = line + "\n" + build(records, indent + 1).join("\n") if records.length > 0
      ('  ' * indent) + line
    end
  end

  sumry = ''


  summary_fields = self.summary.to_h.keys

  %w(recordx_type schema format_mask).each {|x| summary_fields.delete x}
  sumry = summary_fields.map {|x| x + ': ' + \
                     self.summary.method(x.to_sym).call}.join("\n") + "\n"


  if @raw_header then
    declaration = @raw_header
  else

    smry_fields = %i(schema)              
    if self.delimiter.length > 0 then
      smry_fields << :delimiter 
    else
      smry_fields << :format_mask
    end
    s = smry_fields.map {|x| "%s=\"%s\"" % \
      [x, self.summary.send(x).gsub('"', '\"') ]}.join ' '

    declaration = %Q(<?polyrex %s?>\n) % s
  end

  header = declaration + sumry
  out = build(self.records).join("\n")
  header + "\n" + out
end

#to_xml(options = {}) ⇒ Object 



113
114
115
116
 
# File 'lib/polyrex.rb', line 113

def to_xml(options={})
  refresh_summary
  @doc.to_s(options)
end

#to_xslt ⇒ Object 



273
274
275
276
 
# File 'lib/polyrex.rb', line 273

def to_xslt()    
  @polyrex_xslt.schema = @schema
  @polyrex_xslt.to_xslt
end

#xpath(s, &blk) ⇒ Object 



278
279
280
281
282
283
284
285
 
# File 'lib/polyrex.rb', line 278

def xpath(s, &blk)

  if block_given? then
    @doc.root.xpath(s, &blk)
  else
    @doc.root.xpath s
  end
end