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Rev | Author | Line No. | Line |
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89 | daniel-mar | 1 | unit AsciiTable; |
2 | |||
3 | (* |
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4 | * ASCII Table and CSV Generator Delphi Unit |
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91 | daniel-mar | 5 | * Revision 2022-07-10 |
89 | daniel-mar | 6 | * |
7 | * (C) 2022 Daniel Marschall, HickelSOFT, ViaThinkSoft |
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8 | * Licensed under the terms of Apache 2.0 |
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9 | *) |
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10 | |||
11 | { |
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12 | |||
13 | Example usage: |
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14 | |||
15 | uses |
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16 | AsciiTable, ContNrs; |
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17 | |||
18 | procedure TForm1.Button1Click(Sender: TObject); |
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19 | var |
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20 | VirtTable: TVtsAsciiTable; |
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21 | objLine: TVtsAsciiTableLine; |
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22 | begin |
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23 | VirtTable := TVtsAsciiTable.Create(true); |
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24 | VirtTable.Clear; |
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25 | |||
26 | // Create Test data |
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27 | objLine := TVtsAsciiTableLine.Create; |
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28 | objLine.SetVal(0, 'Fruit', taCenter); |
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29 | objLine.SetVal(1, 'Amount', taCenter); |
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30 | VirtTable.Add(objLine); |
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31 | |||
32 | VirtTable.AddSeparator; |
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33 | |||
34 | objLine := TVtsAsciiTableLine.Create; |
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35 | objLine.SetVal(0, 'Apple', taLeftJustify); |
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36 | objLine.SetVal(1, '123', taRightJustify); |
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37 | VirtTable.Add(objLine); |
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38 | |||
39 | objLine := TVtsAsciiTableLine.Create; |
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40 | objLine.SetVal(0, 'Kiwi', taLeftJustify); |
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41 | objLine.SetVal(1, '1', taRightJustify); |
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42 | VirtTable.Add(objLine); |
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43 | |||
44 | objLine := TVtsAsciiTableLine.Create; |
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45 | objLine.SetVal(0, 'Asparagus (green)', taLeftJustify); |
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46 | objLine.SetVal(1, '9999', taRightJustify); |
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47 | VirtTable.Add(objLine); |
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48 | |||
49 | objLine := TVtsAsciiTableLine.Create; |
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50 | objLine.SetVal(0, 'Asparagus (white)', taLeftJustify); |
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51 | objLine.SetVal(1, '999', taRightJustify); |
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52 | VirtTable.Add(objLine); |
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53 | |||
91 | daniel-mar | 54 | VirtTable.AddSeparator; |
55 | VirtTable.AddSumLine; |
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56 | |||
90 | daniel-mar | 57 | // Create ASCII table |
89 | daniel-mar | 58 | Memo1.Clear; |
59 | VirtTable.GetASCIITable(Memo1.Lines); |
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60 | |||
90 | daniel-mar | 61 | // Save ASCII table |
62 | VirtTable.SaveASCIITable('Order.txt'); |
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63 | |||
89 | daniel-mar | 64 | // Create CSV |
65 | Memo2.Clear; |
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66 | VirtTable.GetCSV(Memo2.Lines); |
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67 | |||
90 | daniel-mar | 68 | // Save CSV |
69 | VirtTable.SaveCSV('Order.csv'); |
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70 | |||
89 | daniel-mar | 71 | VirtTable.Free; |
72 | end; |
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73 | |||
74 | } |
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75 | |||
76 | interface |
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77 | |||
78 | uses |
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79 | ContNrs, Classes, SysUtils; |
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80 | |||
81 | const |
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82 | VTS_ASCII_TABLE_COLS = 10; |
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83 | |||
84 | type |
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85 | TVtsAsciiTableLine = class(TObject) |
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91 | daniel-mar | 86 | private |
87 | IsSumLine: boolean; |
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88 | //IsSeparator: boolean; |
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89 | daniel-mar | 89 | public |
90 | Cont: array[0..VTS_ASCII_TABLE_COLS-1] of string; |
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91 | Align: array[0..VTS_ASCII_TABLE_COLS-1] of TAlignment; |
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92 | PadChar: array[0..VTS_ASCII_TABLE_COLS-1] of char; |
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93 | procedure Clear; |
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94 | procedure SetVal(index: integer; ACont: string; AAlign: TAlignment=taLeftJustify; APadChar: char=' '); |
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95 | end; |
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96 | |||
97 | TVtsAsciiTableAnalysis = record |
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98 | MaxLen: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
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99 | Used: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
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91 | daniel-mar | 100 | Sum: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
89 | daniel-mar | 101 | end; |
102 | |||
103 | TVtsAsciiTable = class(TObjectList{<TVtsAsciiTableLine>}) |
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104 | private |
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105 | function GetItem(Index: Integer): TVtsAsciiTableLine; |
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106 | procedure SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
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107 | public |
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108 | function GetAnalysis: TVtsAsciiTableAnalysis; |
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109 | procedure GetASCIITable(sl: TStrings; spaceBetween: integer=3); |
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90 | daniel-mar | 110 | procedure SaveASCIITable(filename: string; spaceBetween: integer=3); |
89 | daniel-mar | 111 | procedure GetCSV(sl: TStrings); |
90 | daniel-mar | 112 | procedure SaveCSV(filename: string); |
89 | daniel-mar | 113 | |
114 | procedure AddSeparator; |
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91 | daniel-mar | 115 | procedure AddSumLine; |
89 | daniel-mar | 116 | |
117 | // Just a little bit type-safe... The rest stays TObject for now |
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118 | function Add(AObject: TVtsAsciiTableLine): Integer; reintroduce; |
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119 | property Items[Index: Integer]: TVtsAsciiTableLine read GetItem write SetItem; |
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120 | procedure Insert(Index: Integer; AObject: TVtsAsciiTableLine); reintroduce; |
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121 | end; |
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122 | |||
123 | implementation |
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124 | |||
125 | { TVtsAsciiTable } |
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126 | |||
127 | function TVtsAsciiTable.Add(AObject: TVtsAsciiTableLine): Integer; |
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128 | begin |
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129 | result := Inherited Add(AObject); |
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130 | end; |
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131 | |||
132 | procedure TVtsAsciiTable.AddSeparator; |
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133 | begin |
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134 | Inherited Add(nil); |
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135 | end; |
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136 | |||
91 | daniel-mar | 137 | procedure TVtsAsciiTable.AddSumLine; |
138 | var |
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139 | objLine: TVtsAsciiTableLine; |
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140 | j: Integer; |
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141 | analysis: TVtsAsciiTableAnalysis; |
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142 | begin |
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143 | objLine := TVtsAsciiTableLine.Create; |
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144 | objLine.IsSumLine := true; |
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145 | analysis := GetAnalysis; |
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146 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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147 | begin |
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148 | if analysis.Sum[j] <> 0 then |
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149 | objLine.SetVal(j, IntToStr(analysis.Sum[j]), taRightJustify, ' '); |
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150 | end; |
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151 | Inherited Add(objLine); |
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152 | end; |
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153 | |||
89 | daniel-mar | 154 | function TVtsAsciiTable.GetAnalysis: TVtsAsciiTableAnalysis; |
155 | var |
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156 | j: Integer; |
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157 | i: Integer; |
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158 | objLine: TVtsAsciiTableLine; |
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159 | len: Integer; |
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91 | daniel-mar | 160 | itmp: integer; |
89 | daniel-mar | 161 | begin |
162 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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163 | begin |
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164 | result.MaxLen[j] := 0; |
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165 | result.Used[j] := false; |
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91 | daniel-mar | 166 | result.Sum[j] := 0; |
89 | daniel-mar | 167 | end; |
168 | for i := 0 to Self.Count-1 do |
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169 | begin |
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170 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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171 | if objLine <> nil then |
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172 | begin |
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173 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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174 | begin |
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175 | len := Length(objLine.Cont[j]); |
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91 | daniel-mar | 176 | if TryStrToInt(objLine.Cont[j], itmp) then |
177 | result.Sum[j] := result.Sum[j] + itmp; |
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89 | daniel-mar | 178 | if len > result.MaxLen[j] then |
179 | result.MaxLen[j] := len; |
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180 | if len > 0 then |
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181 | result.Used[j] := true; |
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182 | end; |
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183 | end; |
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184 | end; |
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185 | end; |
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186 | |||
187 | procedure TVtsAsciiTable.GetASCIITable(sl: TStrings; spaceBetween: integer=3); |
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188 | var |
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189 | analysis: TVtsAsciiTableAnalysis; |
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190 | objLine: TVtsAsciiTableLine; |
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191 | i: Integer; |
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192 | sLine: string; |
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193 | j: Integer; |
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194 | itmp: Integer; |
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195 | padchar: Char; |
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196 | firstcol: boolean; |
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197 | width: Integer; |
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198 | begin |
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199 | analysis := GetAnalysis; |
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200 | //sl.Clear; |
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201 | for i := 0 to Self.Count-1 do |
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202 | begin |
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203 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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204 | sLine := ''; |
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205 | if objLine <> nil then |
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206 | begin |
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207 | firstcol := true; |
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208 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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209 | begin |
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210 | if not analysis.Used[j] then continue; |
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211 | |||
212 | padchar := objLine.PadChar[j]; |
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213 | if padchar = #0 then padchar := ' '; |
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214 | |||
215 | if firstcol then |
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216 | firstcol := false |
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217 | else |
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218 | sLine := sLine + StringOfChar(' ', spaceBetween); |
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219 | |||
220 | if objLine.Align[j] = taRightJustify then |
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221 | begin |
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222 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
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223 | sLine := sLine + objLine.Cont[j]; |
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224 | end |
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225 | else if objLine.Align[j] = taLeftJustify then |
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226 | begin |
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227 | sLine := sLine + objLine.Cont[j]; |
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228 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
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229 | end |
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230 | else if objLine.Align[j] = taCenter then |
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231 | begin |
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232 | if Odd(analysis.MaxLen[j]-Length(objLine.Cont[j])) then itmp := 1 else itmp := 0; |
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233 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2); |
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234 | sLine := sLine + objLine.Cont[j]; |
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235 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2 + itmp); |
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236 | end |
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237 | else |
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238 | Assert(false); |
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239 | end; |
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240 | end |
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241 | else |
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242 | begin |
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243 | firstcol := true; |
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244 | width := 0; |
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245 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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246 | begin |
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247 | if not analysis.Used[j] then continue; |
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248 | if firstcol then |
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249 | firstcol := false |
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250 | else |
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251 | width := width + spaceBetween; |
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252 | width := width + analysis.MaxLen[j]; |
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253 | end; |
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254 | |||
255 | sLine := sLine + StringOfChar('-', Width); |
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256 | end; |
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257 | sl.Add(sLine); |
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258 | end; |
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259 | end; |
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260 | |||
261 | function CsvQuoteStr(s: string): string; |
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262 | begin |
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263 | s := StringReplace(s, #13#10, ' ', [rfReplaceAll]); |
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264 | s := StringReplace(s, #13, ' ', [rfReplaceAll]); |
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265 | s := StringReplace(s, #10, ' ', [rfReplaceAll]); |
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266 | if s = '' then |
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267 | result := '' |
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268 | else if (AnsiPos('"', s)>0) or (AnsiPos('''', s)>0) or (AnsiPos(';', s)>0) or |
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269 | (AnsiPos(#9, s)>0) or (AnsiPos(' ', s)>0) then |
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270 | result := '"' + StringReplace(s, '"', '""', [rfReplaceAll]) + '"' |
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271 | else |
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272 | result := s; |
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273 | end; |
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274 | |||
275 | procedure TVtsAsciiTable.GetCSV(sl: TStrings); |
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276 | var |
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277 | analysis: TVtsAsciiTableAnalysis; |
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278 | objLine: TVtsAsciiTableLine; |
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279 | i: Integer; |
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280 | sLine: string; |
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281 | j: Integer; |
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282 | firstcol: boolean; |
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283 | begin |
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284 | analysis := GetAnalysis; |
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285 | //sl.Clear; |
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286 | for i := 0 to Self.Count-1 do |
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287 | begin |
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288 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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289 | if objLine = nil then continue; |
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91 | daniel-mar | 290 | if objLine.IsSumLine then continue; |
89 | daniel-mar | 291 | sLine := ''; |
292 | firstcol := true; |
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293 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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294 | begin |
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295 | if not analysis.Used[j] then continue; |
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296 | if firstcol then |
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297 | firstcol := false |
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298 | else |
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299 | sLine := sLine + ';'; |
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300 | sLine := sLine + CsvQuoteStr(objLine.Cont[j]); |
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301 | end; |
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302 | sl.Add(sLine); |
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303 | end; |
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304 | end; |
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305 | |||
306 | function TVtsAsciiTable.GetItem(Index: Integer): TVtsAsciiTableLine; |
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307 | begin |
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308 | result := (Inherited Items[Index]) as TVtsAsciiTableLine; |
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309 | end; |
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310 | |||
311 | procedure TVtsAsciiTable.Insert(Index: Integer; AObject: TVtsAsciiTableLine); |
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312 | begin |
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313 | Inherited Insert(Index, AObject); |
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314 | end; |
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315 | |||
90 | daniel-mar | 316 | procedure TVtsAsciiTable.SaveASCIITable(filename: string; |
317 | spaceBetween: integer); |
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318 | var |
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319 | sl: TStringList; |
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320 | begin |
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321 | sl := TStringList.Create; |
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322 | try |
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323 | GetASCIITable(sl, spaceBetween); |
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324 | sl.SaveToFile(filename); |
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325 | finally |
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326 | FreeAndNil(sl); |
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327 | end; |
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328 | end; |
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329 | |||
330 | procedure TVtsAsciiTable.SaveCSV(filename: string); |
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331 | var |
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332 | sl: TStringList; |
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333 | begin |
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334 | sl := TStringList.Create; |
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335 | try |
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336 | GetCSV(sl); |
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337 | sl.SaveToFile(filename); |
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338 | finally |
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339 | FreeAndNil(sl); |
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340 | end; |
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341 | end; |
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342 | |||
89 | daniel-mar | 343 | procedure TVtsAsciiTable.SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
344 | begin |
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345 | Inherited Items[Index] := Value; |
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346 | end; |
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347 | |||
348 | { TVtsAsciiTableLine } |
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349 | |||
350 | procedure TVtsAsciiTableLine.Clear; |
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351 | var |
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352 | i: Integer; |
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353 | begin |
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354 | for i := 0 to VTS_ASCII_TABLE_COLS-1 do |
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355 | begin |
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356 | PadChar[i] := #0; |
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357 | Align[i] := taLeftJustify; |
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358 | Cont[i] := ''; |
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359 | end; |
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360 | end; |
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361 | |||
362 | procedure TVtsAsciiTableLine.SetVal(index: integer; ACont: string; |
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363 | AAlign: TAlignment=taLeftJustify; APadChar: char=' '); |
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364 | begin |
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365 | Self.Cont[index] := ACont; |
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366 | Self.Align[index] := AAlign; |
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367 | Self.PadChar[index] := APadChar; |
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368 | end; |
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369 | |||
370 | end. |