Class: Coopy::Csv

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Csv

Returns a new instance of Csv.



7
8
9
10
 
# File 'lib/lib/coopy/csv.rb', line 7

def initialize
  @cursor = 0
  @row_ended = false
end

Instance Method Details

#parse_cell(txt) ⇒ Object 



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
167
168
169
170
 
# File 'lib/lib/coopy/csv.rb', line 109

def parse_cell(txt)
  return nil if txt == nil
  @row_ended = false
  first_non_underscore = txt.length
  last_processed = 0
  quoting = false
  quote = 0
  result = ""
  start = @cursor
  begin
    _g1 = @cursor
    _g = txt.length
    while(_g1 < _g) 
      i = _g1
      _g1+=1
      ch = (txt[i].ord rescue nil)
      last_processed = i
      first_non_underscore = i if ch != 95 && i < first_non_underscore
      if @has_structure 
        if !quoting 
          break if ch == 44
          if ch == 13 || ch == 10 
            ch2 = (txt[i + 1].ord rescue nil)
            if ch2 != nil 
              if ch2 != ch 
                last_processed+=1 if ch2 == 13 || ch2 == 10
              end
            end
            @row_ended = true
            break
          end
          if ch == 34 || ch == 39 
            if i == @cursor 
              quoting = true
              quote = ch
              result += [ch].pack("U") if i != start
              next
            elsif ch == quote 
              quoting = true
            end
          end
          result += [ch].pack("U")
          next
        end
        if ch == quote 
          quoting = false
          next
        end
      end
      result += [ch].pack("U")
    end
  end
  @cursor = last_processed
  if quote == 0 
    return nil if result == "NULL"
    if first_non_underscore > start 
      del = first_non_underscore - start
      return result[1..-1] if result[del..-1] == "NULL"
    end
  end
  return result
end

#parse_single_cell(txt) ⇒ Object 



172
173
174
175
176
177
 
# File 'lib/lib/coopy/csv.rb', line 172

def parse_single_cell(txt)
  @cursor = 0
  @row_ended = false
  @has_structure = false
  return self.parse_cell(txt)
end

#parse_table(txt) ⇒ Object 



91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
 
# File 'lib/lib/coopy/csv.rb', line 91

def parse_table(txt)
  @cursor = 0
  @row_ended = false
  @has_structure = true
  result = Array.new
  row = Array.new
  while(@cursor < txt.length) 
    cell = self.parse_cell(txt)
    row.push(cell)
    if @row_ended 
      result.push(row)
      row = Array.new
    end
    @cursor+=1
  end
  return result
end

#render_cell(v, d) ⇒ Object 



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
 
# File 'lib/lib/coopy/csv.rb', line 46

def render_cell(v,d)
  return "NULL" if d == nil
  return "NULL" if v.equals(d,nil)
  str = v.to_s(d)
  delim = ","
  need_quote = false
  begin
    _g1 = 0
    _g = str.length
    while(_g1 < _g) 
      i = _g1
      _g1+=1
      ch = str[i]
      if ch == "\"" || ch == "'" || ch == delim || ch == "\r" || ch == "\n" || ch == "\t" || ch == " " 
        need_quote = true
        break
      end
    end
  end
  result = ""
  result += "\"" if need_quote
  line_buf = ""
  begin
    _g11 = 0
    _g2 = str.length
    while(_g11 < _g2) 
      i1 = _g11
      _g11+=1
      ch1 = str[i1]
      result += "\"" if ch1 == "\""
      if ch1 != "\r" && ch1 != "\n" 
        if line_buf.length > 0 
          result += line_buf
          line_buf = ""
        end
        result += ch1
      else 
        line_buf += ch1
      end
    end
  end
  result += "\"" if need_quote
  return result
end

#render_table(t) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/lib/coopy/csv.rb', line 20

def render_table(t)
  result = ""
  w = t.get_width
  h = t.get_height
  txt = ""
  v = t.get_cell_view
  begin
    _g = 0
    while(_g < h) 
      y = _g
      _g+=1
      begin
        _g1 = 0
        while(_g1 < w) 
          x = _g1
          _g1+=1
          txt += "," if x > 0
          txt += self.render_cell(v,t.get_cell(x,y))
        end
      end
      txt += "\r\n"
    end
  end
  return txt
end