Class: Excelx

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

Defined Under Namespace

Classes: Font

Constant Summary collapse

FORMATS = 
{
  'General' => :float,
  '0' => :float,
  '0.00' => :float,
  '#,##0' => :float,
  '#,##0.00' => :float,
  '0%' => :percentage,
  '0.00%' => :percentage,
  '0.00E+00' => :float,
  '# ?/?' => :float, #??? TODO:
  '# ??/??' => :float, #??? TODO:
  'mm-dd-yy' => :date,
  'd-mmm-yy' => :date,
  'd-mmm' => :date,
  'mmm-yy' => :date,
  'h:mm AM/PM' => :date,
  'h:mm:ss AM/PM' => :date,
  'h:mm' => :time,
  'h:mm:ss' => :time,
  'm/d/yy h:mm' => :date,
  '#,##0 ;(#,##0)' => :float,
  '#,##0 ;[Red](#,##0)' => :float,
  '#,##0.00;(#,##0.00)' => :float,
  '#,##0.00;[Red](#,##0.00)' => :float,
  'mm:ss' => :time,
  '[h]:mm:ss' => :time,
  'mmss.0' => :time,
  '##0.0E+0' => :float,
  '@' => :float,
  #-- zusaetzliche Formate, die nicht standardmaessig definiert sind:
  "yyyy\\-mm\\-dd" => :date,
  'dd/mm/yy' => :date,
  'hh:mm:ss' => :time,
  "dd/mm/yy\\ hh:mm" => :datetime,
}
STANDARD_FORMATS = 
{ 
  0 => 'General',
  1 => '0',
  2 => '0.00',
  3 => '#,##0',
  4 => '#,##0.00',
  9 => '0%',
  10 => '0.00%',
  11 => '0.00E+00',
  12 => '# ?/?',
  13 => '# ??/??',
  14 => 'mm-dd-yy',
  15 => 'd-mmm-yy',
  16 => 'd-mmm',
  17 => 'mmm-yy',
  18 => 'h:mm AM/PM',
  19 => 'h:mm:ss AM/PM',
  20 => 'h:mm',
  21 => 'h:mm:ss',
  22 => 'm/d/yy h:mm',
  37 => '#,##0 ;(#,##0)',
  38 => '#,##0 ;[Red](#,##0)',
  39 => '#,##0.00;(#,##0.00)',
  40 => '#,##0.00;[Red](#,##0.00)',
  45 => 'mm:ss',
  46 => '[h]:mm:ss',
  47 => 'mmss.0',
  48 => '##0.0E+0',
  49 => '@',
}
@@nr = 
0

Instance Attribute Summary

Attributes inherited from GenericSpreadsheet

#default_sheet, #header_line

Instance Method Summary collapse

Methods inherited from GenericSpreadsheet

#column, #empty?, #find, #first_column, #first_column_as_letter, #first_row, #info, #last_column, #last_column_as_letter, #last_row, #method_missing, #reload, #remove_tmp, #row, #to_csv, #to_matrix, #to_xml, #to_yaml

Constructor Details

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

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



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
 
# File 'lib/roo/excelx.rb', line 86

def initialize(filename, packed=nil, file_warning = :error) #, create = false)
  super()
  @file_warning = file_warning
  @tmpdir = "oo_"+$$.to_s
  @tmpdir = File.join(ENV['ROO_TMP'], @tmpdir) if ENV['ROO_TMP'] 
  unless File.exists?(@tmpdir)
    FileUtils::mkdir(@tmpdir)
  end
  filename = open_from_uri(filename) if filename[0,7] == "http://"
  filename = unzip(filename) if packed and packed == :zip
  begin
    file_type_check(filename,'.xlsx','an Excel-xlsx')
    @cells_read = Hash.new
    @filename = filename
    unless File.file?(@filename)
      raise IOError, "file #{@filename} does not exist"
    end
    @@nr += 1
    @file_nr = @@nr
    extract_content(@filename)
    file = File.new(File.join(@tmpdir, @file_nr.to_s+"_roo_workbook.xml"))
    # TODO: @workbook_doc = XML::Parser.io(file).parse
    @workbook_doc = Nokogiri::XML(file)


    file.close
    @shared_table = []
    if File.exist?(File.join(@tmpdir, @file_nr.to_s+'_roo_sharedStrings.xml'))
      file = File.new(File.join(@tmpdir, @file_nr.to_s+'_roo_sharedStrings.xml'))
      #TODO: @sharedstring_doc = XML::Parser.io(file).parse
      @sharedstring_doc = Nokogiri::XML(file)
      file.close
      read_shared_strings(@sharedstring_doc)
    end
    @styles_table = []
    @style_definitions = Array.new # TODO: ??? { |h,k| h[k] = {} }
    if File.exist?(File.join(@tmpdir, @file_nr.to_s+'_roo_styles.xml'))
      file = File.new(File.join(@tmpdir, @file_nr.to_s+'_roo_styles.xml'))
      #TODO: @styles_doc = XML::Parser.io(file).parse
      @styles_doc = Nokogiri::XML(file)
      file.close
      read_styles(@styles_doc)
    end
    @sheet_doc = []
    @sheet_files.each_with_index do |item, i|
      file = File.new(item)
      #TODO: @sheet_doc[i] = XML::Parser.io(file).parse
      @sheet_doc[i] = Nokogiri::XML(file)
      file.close
    end
  ensure
    #if ENV["roo_local"] != "thomas-p"
    FileUtils::rm_r(@tmpdir)
    #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
  @header_line = 1
  @excelx_type = Hash.new
  @excelx_value = Hash.new
  @s_attribute = Hash.new # TODO: ggf. wieder entfernen nur lokal benoetigt
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class GenericSpreadsheet

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.



159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
 
# File 'lib/roo/excelx.rb', line 159

def cell(row, col, sheet=nil)
  sheet = @default_sheet unless 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]].split('-')
    return Date.new(yyyy.to_i,mm.to_i,dd.to_i)
  elsif celltype(row,col,sheet) == :datetime
    date_part,time_part = @cell[sheet][[row,col]].split(' ')
    yyyy,mm,dd = date_part.split('-')
    hh,mi,ss = time_part.split(':')
    return DateTime.civil(yyyy.to_i,mm.to_i,dd.to_i,hh.to_i,mi.to_i,ss.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



250
251
252
253
254
255
256
257
258
259
 
# File 'lib/roo/excelx.rb', line 250

def celltype(row,col,sheet=nil)
  sheet = @default_sheet unless 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

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

returns the internal format of an excel cell



282
283
284
285
286
287
288
289
 
# File 'lib/roo/excelx.rb', line 282

def excelx_format(row,col,sheet=nil)
  sheet = @default_sheet unless sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  s = @s_attribute[sheet][[row,col]]
  result = attribute2format(s).to_s
  result
end

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

returns the internal type of an excel cell

  • :numeric_or_formula

  • :string

Note: this is only available within the Excelx class



265
266
267
268
269
270
 
# File 'lib/roo/excelx.rb', line 265

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

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

returns the internal value of an excelx cell Note: this is only available within the Excelx class



274
275
276
277
278
279
 
# File 'lib/roo/excelx.rb', line 274

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

#font(row, col, sheet = nil) ⇒ Object

Given a cell, return the cell’s style



214
215
216
217
218
219
220
221
222
 
# File 'lib/roo/excelx.rb', line 214

def font(row, col, sheet=nil)
  sheet = @default_sheet unless sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  s_attribute = @s_attribute[sheet][[row,col]]
  s_attribute ||= 0
  s_attribute = s_attribute.to_i
  @style_definitions[s_attribute]
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.



178
179
180
181
182
183
184
185
186
187
 
# File 'lib/roo/excelx.rb', line 178

def formula(row,col,sheet=nil)
  sheet = @default_sheet unless 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]]
  end
end

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

true, if there is a formula

Returns:

  • (Boolean) 


190
191
192
193
194
195
 
# File 'lib/roo/excelx.rb', line 190

def formula?(row,col,sheet=nil)
  sheet = @default_sheet unless 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 


311
312
313
314
315
316
317
318
319
320
321
322
323
324
 
# File 'lib/roo/excelx.rb', line 311

def formulas(sheet=nil)
  theformulas = Array.new
  sheet = @default_sheet unless sheet
  read_cells(sheet) unless @cells_read[sheet]
  first_row(sheet).upto(last_row(sheet)) {|row|
    first_column(sheet).upto(last_column(sheet)) {|col|
      if formula?(row,col,sheet)
        f = [row, col, formula(row,col,sheet)]
        theformulas << f
      end
    }
  }
  theformulas
end

#set(row, col, value, sheet = nil) ⇒ Object

set a cell to a certain value (this will not be saved back to the spreadsheet file!)



226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
 
# File 'lib/roo/excelx.rb', line 226

def set(row,col,value,sheet=nil) #:nodoc:
  sheet = @default_sheet unless sheet
  read_cells(sheet) unless @cells_read[sheet]
  row,col = normalize(row,col)
  set_value(row,col,value,sheet)
  if value.class == Fixnum
    set_type(row,col,:float,sheet)
  elsif value.class == String
    set_type(row,col,:string,sheet)
  elsif value.class == Float
    set_type(row,col,:string,sheet)
  else
    raise ArgumentError, "Type for "+value.to_s+" not set"
  end
end

#sheets ⇒ Object

returns an array of sheet names in the spreadsheet



292
293
294
295
296
297
298
299
300
 
# File 'lib/roo/excelx.rb', line 292

def sheets
  return_sheets = []
  #TODO:    @workbook_doc.find("//*[local-name()='sheet']").each do |sheet|
  @workbook_doc.xpath("//*[local-name()='sheet']").each do |sheet|
    #TODO:      return_sheets << sheet.attributes.to_h['name']
    return_sheets << sheet['name']
  end
  return_sheets
end

#to_s(sheet = nil) ⇒ Object

shows the internal representation of all cells for debugging purposes



303
304
305
306
307
 
# File 'lib/roo/excelx.rb', line 303

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