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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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93 | daniel-mar | 5 | * Revision 2022-07-15 |
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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92 | daniel-mar | 93 | DoSum: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
89 | daniel-mar | 94 | procedure Clear; |
92 | daniel-mar | 95 | procedure SetVal(index: integer; ACont: string; AAlign: TAlignment=taLeftJustify; |
96 | APadChar: char=' '; ADoSum: boolean=false); |
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89 | daniel-mar | 97 | end; |
98 | |||
99 | TVtsAsciiTableAnalysis = record |
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100 | MaxLen: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
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101 | Used: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
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91 | daniel-mar | 102 | Sum: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
89 | daniel-mar | 103 | end; |
104 | |||
105 | TVtsAsciiTable = class(TObjectList{<TVtsAsciiTableLine>}) |
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106 | private |
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107 | function GetItem(Index: Integer): TVtsAsciiTableLine; |
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108 | procedure SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
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109 | public |
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110 | function GetAnalysis: TVtsAsciiTableAnalysis; |
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93 | daniel-mar | 111 | procedure GetASCIITable(sl: TStrings; spaceBetween: integer=3); overload; |
112 | function GetASCIITable(spaceBetween: integer=3): string; overload; |
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90 | daniel-mar | 113 | procedure SaveASCIITable(filename: string; spaceBetween: integer=3); |
89 | daniel-mar | 114 | procedure GetCSV(sl: TStrings); |
90 | daniel-mar | 115 | procedure SaveCSV(filename: string); |
89 | daniel-mar | 116 | |
117 | procedure AddSeparator; |
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91 | daniel-mar | 118 | procedure AddSumLine; |
89 | daniel-mar | 119 | |
120 | // Just a little bit type-safe... The rest stays TObject for now |
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121 | function Add(AObject: TVtsAsciiTableLine): Integer; reintroduce; |
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122 | property Items[Index: Integer]: TVtsAsciiTableLine read GetItem write SetItem; |
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123 | procedure Insert(Index: Integer; AObject: TVtsAsciiTableLine); reintroduce; |
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124 | end; |
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125 | |||
126 | implementation |
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127 | |||
128 | { TVtsAsciiTable } |
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129 | |||
130 | function TVtsAsciiTable.Add(AObject: TVtsAsciiTableLine): Integer; |
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131 | begin |
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132 | result := Inherited Add(AObject); |
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133 | end; |
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134 | |||
135 | procedure TVtsAsciiTable.AddSeparator; |
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136 | begin |
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137 | Inherited Add(nil); |
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138 | end; |
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139 | |||
91 | daniel-mar | 140 | procedure TVtsAsciiTable.AddSumLine; |
141 | var |
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142 | objLine: TVtsAsciiTableLine; |
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143 | j: Integer; |
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144 | analysis: TVtsAsciiTableAnalysis; |
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92 | daniel-mar | 145 | found: boolean; |
91 | daniel-mar | 146 | begin |
147 | objLine := TVtsAsciiTableLine.Create; |
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148 | objLine.IsSumLine := true; |
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149 | analysis := GetAnalysis; |
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92 | daniel-mar | 150 | found := false; |
91 | daniel-mar | 151 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
152 | begin |
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153 | if analysis.Sum[j] <> 0 then |
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92 | daniel-mar | 154 | begin |
91 | daniel-mar | 155 | objLine.SetVal(j, IntToStr(analysis.Sum[j]), taRightJustify, ' '); |
92 | daniel-mar | 156 | found := true; |
157 | end; |
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91 | daniel-mar | 158 | end; |
92 | daniel-mar | 159 | if found then |
160 | Inherited Add(objLine) |
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161 | else |
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162 | objLine.Free; |
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91 | daniel-mar | 163 | end; |
164 | |||
89 | daniel-mar | 165 | function TVtsAsciiTable.GetAnalysis: TVtsAsciiTableAnalysis; |
166 | var |
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167 | j: Integer; |
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168 | i: Integer; |
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169 | objLine: TVtsAsciiTableLine; |
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170 | len: Integer; |
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91 | daniel-mar | 171 | itmp: integer; |
89 | daniel-mar | 172 | begin |
173 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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174 | begin |
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175 | result.MaxLen[j] := 0; |
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176 | result.Used[j] := false; |
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91 | daniel-mar | 177 | result.Sum[j] := 0; |
89 | daniel-mar | 178 | end; |
179 | for i := 0 to Self.Count-1 do |
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180 | begin |
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181 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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182 | if objLine <> nil then |
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183 | begin |
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184 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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185 | begin |
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186 | len := Length(objLine.Cont[j]); |
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92 | daniel-mar | 187 | if TryStrToInt(objLine.Cont[j], itmp) and objLine.DoSum[j] then |
91 | daniel-mar | 188 | result.Sum[j] := result.Sum[j] + itmp; |
89 | daniel-mar | 189 | if len > result.MaxLen[j] then |
190 | result.MaxLen[j] := len; |
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191 | if len > 0 then |
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192 | result.Used[j] := true; |
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193 | end; |
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194 | end; |
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195 | end; |
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196 | end; |
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197 | |||
93 | daniel-mar | 198 | function TVtsAsciiTable.GetASCIITable(spaceBetween: integer): string; |
199 | var |
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200 | sl: TStringList; |
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201 | begin |
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202 | sl := TStringList.Create; |
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203 | try |
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204 | GetASCIITable(sl, spaceBetween); |
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205 | result := sl.Text; |
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206 | finally |
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207 | FreeAndNil(sl); |
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208 | end; |
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209 | end; |
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210 | |||
89 | daniel-mar | 211 | procedure TVtsAsciiTable.GetASCIITable(sl: TStrings; spaceBetween: integer=3); |
212 | var |
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213 | analysis: TVtsAsciiTableAnalysis; |
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214 | objLine: TVtsAsciiTableLine; |
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215 | i: Integer; |
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216 | sLine: string; |
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217 | j: Integer; |
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218 | itmp: Integer; |
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219 | padchar: Char; |
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220 | firstcol: boolean; |
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221 | width: Integer; |
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222 | begin |
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223 | analysis := GetAnalysis; |
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224 | //sl.Clear; |
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225 | for i := 0 to Self.Count-1 do |
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226 | begin |
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227 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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228 | sLine := ''; |
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229 | if objLine <> nil then |
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230 | begin |
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231 | firstcol := true; |
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232 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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233 | begin |
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234 | if not analysis.Used[j] then continue; |
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235 | |||
236 | padchar := objLine.PadChar[j]; |
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237 | if padchar = #0 then padchar := ' '; |
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238 | |||
239 | if firstcol then |
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240 | firstcol := false |
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241 | else |
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242 | sLine := sLine + StringOfChar(' ', spaceBetween); |
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243 | |||
244 | if objLine.Align[j] = taRightJustify then |
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245 | begin |
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246 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
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247 | sLine := sLine + objLine.Cont[j]; |
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248 | end |
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249 | else if objLine.Align[j] = taLeftJustify then |
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250 | begin |
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251 | sLine := sLine + objLine.Cont[j]; |
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252 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
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253 | end |
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254 | else if objLine.Align[j] = taCenter then |
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255 | begin |
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256 | if Odd(analysis.MaxLen[j]-Length(objLine.Cont[j])) then itmp := 1 else itmp := 0; |
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257 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2); |
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258 | sLine := sLine + objLine.Cont[j]; |
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259 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2 + itmp); |
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260 | end |
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261 | else |
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262 | Assert(false); |
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263 | end; |
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264 | end |
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265 | else |
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266 | begin |
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267 | firstcol := true; |
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268 | width := 0; |
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269 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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270 | begin |
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271 | if not analysis.Used[j] then continue; |
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272 | if firstcol then |
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273 | firstcol := false |
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274 | else |
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275 | width := width + spaceBetween; |
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276 | width := width + analysis.MaxLen[j]; |
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277 | end; |
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278 | |||
279 | sLine := sLine + StringOfChar('-', Width); |
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280 | end; |
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281 | sl.Add(sLine); |
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282 | end; |
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283 | end; |
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284 | |||
285 | function CsvQuoteStr(s: string): string; |
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286 | begin |
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287 | s := StringReplace(s, #13#10, ' ', [rfReplaceAll]); |
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288 | s := StringReplace(s, #13, ' ', [rfReplaceAll]); |
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289 | s := StringReplace(s, #10, ' ', [rfReplaceAll]); |
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290 | if s = '' then |
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291 | result := '' |
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292 | else if (AnsiPos('"', s)>0) or (AnsiPos('''', s)>0) or (AnsiPos(';', s)>0) or |
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293 | (AnsiPos(#9, s)>0) or (AnsiPos(' ', s)>0) then |
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294 | result := '"' + StringReplace(s, '"', '""', [rfReplaceAll]) + '"' |
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295 | else |
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296 | result := s; |
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297 | end; |
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298 | |||
299 | procedure TVtsAsciiTable.GetCSV(sl: TStrings); |
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300 | var |
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301 | analysis: TVtsAsciiTableAnalysis; |
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302 | objLine: TVtsAsciiTableLine; |
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303 | i: Integer; |
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304 | sLine: string; |
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305 | j: Integer; |
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306 | firstcol: boolean; |
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307 | begin |
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308 | analysis := GetAnalysis; |
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309 | //sl.Clear; |
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310 | for i := 0 to Self.Count-1 do |
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311 | begin |
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312 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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313 | if objLine = nil then continue; |
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91 | daniel-mar | 314 | if objLine.IsSumLine then continue; |
89 | daniel-mar | 315 | sLine := ''; |
316 | firstcol := true; |
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317 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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318 | begin |
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319 | if not analysis.Used[j] then continue; |
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320 | if firstcol then |
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321 | firstcol := false |
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322 | else |
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323 | sLine := sLine + ';'; |
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324 | sLine := sLine + CsvQuoteStr(objLine.Cont[j]); |
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325 | end; |
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326 | sl.Add(sLine); |
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327 | end; |
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328 | end; |
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329 | |||
330 | function TVtsAsciiTable.GetItem(Index: Integer): TVtsAsciiTableLine; |
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331 | begin |
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332 | result := (Inherited Items[Index]) as TVtsAsciiTableLine; |
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333 | end; |
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334 | |||
335 | procedure TVtsAsciiTable.Insert(Index: Integer; AObject: TVtsAsciiTableLine); |
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336 | begin |
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337 | Inherited Insert(Index, AObject); |
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338 | end; |
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339 | |||
90 | daniel-mar | 340 | procedure TVtsAsciiTable.SaveASCIITable(filename: string; |
341 | spaceBetween: integer); |
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342 | var |
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343 | sl: TStringList; |
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344 | begin |
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345 | sl := TStringList.Create; |
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346 | try |
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347 | GetASCIITable(sl, spaceBetween); |
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348 | sl.SaveToFile(filename); |
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349 | finally |
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350 | FreeAndNil(sl); |
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351 | end; |
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352 | end; |
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353 | |||
354 | procedure TVtsAsciiTable.SaveCSV(filename: string); |
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355 | var |
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356 | sl: TStringList; |
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357 | begin |
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358 | sl := TStringList.Create; |
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359 | try |
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360 | GetCSV(sl); |
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361 | sl.SaveToFile(filename); |
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362 | finally |
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363 | FreeAndNil(sl); |
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364 | end; |
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365 | end; |
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366 | |||
89 | daniel-mar | 367 | procedure TVtsAsciiTable.SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
368 | begin |
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369 | Inherited Items[Index] := Value; |
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370 | end; |
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371 | |||
372 | { TVtsAsciiTableLine } |
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373 | |||
374 | procedure TVtsAsciiTableLine.Clear; |
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375 | var |
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376 | i: Integer; |
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377 | begin |
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378 | for i := 0 to VTS_ASCII_TABLE_COLS-1 do |
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379 | begin |
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380 | PadChar[i] := #0; |
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381 | Align[i] := taLeftJustify; |
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382 | Cont[i] := ''; |
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383 | end; |
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384 | end; |
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385 | |||
386 | procedure TVtsAsciiTableLine.SetVal(index: integer; ACont: string; |
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92 | daniel-mar | 387 | AAlign: TAlignment=taLeftJustify; APadChar: char=' '; ADoSum: boolean=false); |
89 | daniel-mar | 388 | begin |
389 | Self.Cont[index] := ACont; |
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390 | Self.Align[index] := AAlign; |
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391 | Self.PadChar[index] := APadChar; |
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92 | daniel-mar | 392 | Self.DoSum[index] := ADoSum; |
89 | daniel-mar | 393 | end; |
394 | |||
395 | end. |