Class: Roo::Openoffice

Inherits:
GenericSpreadsheet show all
Defined in:
lib/roo/openoffice.rb

Direct Known Subclasses

Libreoffice

Defined Under Namespace

Classes: Font

Constant Summary

Constants inherited from GenericSpreadsheet

GenericSpreadsheet::TEMP_PREFIX

Instance Attribute Summary

Attributes inherited from GenericSpreadsheet

#default_sheet, #header_line, #headers

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from GenericSpreadsheet

#column, #each, #each_with_pagename, #empty?, #find, #first_column, #first_column_as_letter, #first_row, #info, #last_column, #last_column_as_letter, #last_row, #longest_sheet, #parse, #reload, #row, #row_with, #set, #sheet, #to_csv, #to_matrix, #to_xml, #to_yaml

Constructor Details

#initialize(filename, packed = nil, file_warning = :error, tmpdir_root = nil) ⇒ Openoffice

initialization and opening of a spreadsheet file values for packed: :zip



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
 
# File 'lib/roo/openoffice.rb', line 36

def initialize(filename, packed=nil, file_warning=:error, tmpdir_root=nil)
  file_type_check(filename,'.ods','an Roo::Openoffice', file_warning, packed)
  make_tmpdir(tmpdir_root) do |tmpdir|
    filename = open_from_uri(filename, tmpdir) if uri?(filename)
    filename = unzip(filename, tmpdir) if packed == :zip
    @cells_read = Hash.new
    #TODO: @cells_read[:default] = false
    @filename = filename
    unless File.file?(@filename)
      raise IOError, "file #{@filename} does not exist"
    end
    self.class.extract_content(tmpdir, @filename)
    @doc = File.open(File.join(tmpdir, "roo_content.xml")) do |file|
      Nokogiri::XML(file)
    end
  end
  @default_sheet = self.sheets.first
  @cell = Hash.new
  @cell_type = Hash.new
  @formula = Hash.new
  @first_row = Hash.new
  @last_row = Hash.new
  @first_column = Hash.new
  @last_column = Hash.new
  @style = Hash.new
  @style_defaults = Hash.new { |h,k| h[k] = [] }
  @style_definitions = Hash.new
  @header_line = 1
  @comment = Hash.new
  @comments_read = Hash.new
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object 



68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/roo/openoffice.rb', line 68

def method_missing(m,*args)
  read_labels
  # is method name a label name
 if @label.has_key?(m.to_s)
    row,col = label(m.to_s)
  cell(row,col)
 else
  # call super for methods like #a1
  super
 end
end

Class Method Details

.extract_content(tmpdir, filename) ⇒ Object 



10
11
12
13
14
 
# File 'lib/roo/openoffice.rb', line 10

def extract_content(tmpdir, filename)
  Zip::ZipFile.open(filename) do |zip|
    process_zipfile(tmpdir, zip)
  end
end

.process_zipfile(tmpdir, zip, path = '') ⇒ Object 



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/roo/openoffice.rb', line 16

def process_zipfile(tmpdir, zip, path='')
  if zip.file.file? path
    if path == "content.xml"
      open(File.join(tmpdir, 'roo_content.xml'),'wb') {|f|
        f << zip.read(path)
      }
    end
  else
    unless path.empty?
      path += '/'
    end
    zip.dir.foreach(path) do |filename|
      process_zipfile(tmpdir, zip, path+filename)
    end
  end
end

Instance Method Details

#cell(row, col, sheet = nil) ⇒ Object

Returns the content of a spreadsheet-cell. (1,1) is the upper left corner. (1,1), (1,‘A’), (‘A’,1), (‘a’,1) all refers to the cell at the first line and first row.



84
85
86
87
88
89
90
91
92
93
 
# File 'lib/roo/openoffice.rb', line 84

def cell(row, col, sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  if celltype(row,col,sheet) == :date
    yyyy,mm,dd = @cell[sheet][[row,col]].to_s.split('-')
    return Date.new(yyyy.to_i,mm.to_i,dd.to_i)
  end
  @cell[sheet][[row,col]]
end

#celltype(row, col, sheet = nil) ⇒ Object

returns the type of a cell:

  • :float

  • :string

  • :date

  • :percentage

  • :formula

  • :time

  • :datetime



172
173
174
175
176
177
178
179
180
181
 
# File 'lib/roo/openoffice.rb', line 172

def celltype(row,col,sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  if @formula[sheet][[row,col]]
    return :formula
  else
    @cell_type[sheet][[row,col]]
  end
end

#comment(row, col, sheet = nil) ⇒ Object

returns the comment at (row/col) nil if there is no comment



237
238
239
240
241
242
243
 
# File 'lib/roo/openoffice.rb', line 237

def comment(row,col,sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  return nil unless @comment[sheet]
  @comment[sheet][[row,col]]
end

#comment?(row, col, sheet = nil) ⇒ Boolean

true, if there is a comment

Returns:

  • (Boolean) 


246
247
248
249
250
251
 
# File 'lib/roo/openoffice.rb', line 246

def comment?(row,col,sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  comment(row,col) != nil
end

#comments(sheet = nil) ⇒ Object

returns each comment in the selected sheet as an array of elements

row, col, comment 


256
257
258
259
260
261
262
263
264
265
266
 
# File 'lib/roo/openoffice.rb', line 256

def comments(sheet=nil)
  sheet ||= @default_sheet
  read_comments(sheet) unless @comments_read[sheet]
  if @comment[sheet]
    @comment[sheet].each.collect do |elem|
      [elem[0][0],elem[0][1],elem[1]]
    end
  else
    []
  end
end

#font(row, col, sheet = nil) ⇒ Object

Given a cell, return the cell’s style



156
157
158
159
160
161
162
 
# File 'lib/roo/openoffice.rb', line 156

def font(row, col, sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  style_name = @style[sheet][[row,col]] || @style_defaults[sheet][col - 1] || 'Default'
  @style_definitions[style_name]
end

#formula(row, col, sheet = nil) ⇒ Object

Returns the formula at (row,col). Returns nil if there is no formula. The method #formula? checks if there is a formula.



98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/roo/openoffice.rb', line 98

def formula(row,col,sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  if @formula[sheet][[row,col]] == nil
    return nil
  else
    # return @formula[sheet][[row,col]]["oooc:".length..-1]
    # TODO:
    #str = @formula[sheet][[row,col]]
    #if str.include? ':'
     #return str[str.index(':')+1..-1]
    #else
     #return str
    #end
    @formula[sheet][[row,col]]
  end
end

#formula?(row, col, sheet = nil) ⇒ Boolean

true, if there is a formula

Returns:

  • (Boolean) 


118
119
120
121
122
123
 
# File 'lib/roo/openoffice.rb', line 118

def formula?(row,col,sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  formula(row,col) != nil
end

#formulas(sheet = nil) ⇒ Object

returns each formula in the selected sheet as an array of elements

row, col, formula 


127
128
129
130
131
132
133
134
135
136
137
 
# File 'lib/roo/openoffice.rb', line 127

def formulas(sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  if @formula[sheet]
    @formula[sheet].each.collect do |elem|
      [elem[0][0], elem[0][1], elem[1]]
    end
  else
    []
  end
end

#label(labelname) ⇒ Object

returns the row,col values of the labelled cell (nil,nil) if label is not defined



208
209
210
211
212
213
214
215
216
217
218
219
220
 
# File 'lib/roo/openoffice.rb', line 208

def label(labelname)
  read_labels
  unless @label.size > 0
    return nil,nil,nil
  end
  if @label.has_key? labelname
    return @label[labelname][1].to_i,
      Roo::GenericSpreadsheet.letter_to_number(@label[labelname][2]),
      @label[labelname][0]
  else
    return nil,nil,nil
  end
end

#labels(sheet = nil) ⇒ Object

Returns an array which all labels. Each element is an array with

labelname, [row,col,sheetname] 


224
225
226
227
228
229
230
231
232
233
 
# File 'lib/roo/openoffice.rb', line 224

def labels(sheet=nil)
  read_labels
  @label.map do |label|
    [ label[0], # name
      [ label[1][1].to_i, # row
        Roo::GenericSpreadsheet.letter_to_number(label[1][2]), # column
        label[1][0], # sheet
      ] ]
  end
end

#officeversion ⇒ Object

version of the Roo::Openoffice document at 2007 this is always “1.0”



193
194
195
196
 
# File 'lib/roo/openoffice.rb', line 193

def officeversion
  oo_version
  @officeversion
end

#sheets ⇒ Object 



183
184
185
186
187
188
189
 
# File 'lib/roo/openoffice.rb', line 183

def sheets
  return_sheets = []
  @doc.xpath("//*[local-name()='table']").each do |sheet|
    return_sheets << sheet.attributes["name"].value
  end
  return_sheets
end

#to_s(sheet = nil) ⇒ Object

shows the internal representation of all cells mainly for debugging purposes



200
201
202
203
204
 
# File 'lib/roo/openoffice.rb', line 200

def to_s(sheet=nil)
  sheet ||= @default_sheet
  read_cells(sheet) unless @cells_read[sheet]
  @cell[sheet].inspect
end