Naveen Sampath | 04696f7 | 2022-06-13 15:19:14 +0530 | [diff] [blame] | 1 | // Copyright 2014 Oleku Konko All rights reserved. |
| 2 | // Use of this source code is governed by a MIT |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // This module is a Table Writer API for the Go Programming Language. |
| 6 | // The protocols were written in pure Go and works on windows and unix systems |
| 7 | |
| 8 | // Create & Generate text based table |
| 9 | package tablewriter |
| 10 | |
| 11 | import ( |
| 12 | "bytes" |
| 13 | "errors" |
| 14 | "fmt" |
| 15 | "io" |
| 16 | "reflect" |
| 17 | "regexp" |
| 18 | "strings" |
| 19 | ) |
| 20 | |
| 21 | const ( |
| 22 | MAX_ROW_WIDTH = 30 |
| 23 | ) |
| 24 | |
| 25 | const ( |
| 26 | CENTER = "+" |
| 27 | ROW = "-" |
| 28 | COLUMN = "|" |
| 29 | SPACE = " " |
| 30 | NEWLINE = "\n" |
| 31 | ) |
| 32 | |
| 33 | const ( |
| 34 | ALIGN_DEFAULT = iota |
| 35 | ALIGN_CENTER |
| 36 | ALIGN_RIGHT |
| 37 | ALIGN_LEFT |
| 38 | ) |
| 39 | |
| 40 | var ( |
| 41 | decimal = regexp.MustCompile(`^-?(?:\d{1,3}(?:,\d{3})*|\d+)(?:\.\d+)?$`) |
| 42 | percent = regexp.MustCompile(`^-?\d+\.?\d*$%$`) |
| 43 | ) |
| 44 | |
| 45 | type Border struct { |
| 46 | Left bool |
| 47 | Right bool |
| 48 | Top bool |
| 49 | Bottom bool |
| 50 | } |
| 51 | |
| 52 | type Table struct { |
| 53 | separators []int |
| 54 | out io.Writer |
| 55 | rows [][]string |
| 56 | lines [][][]string |
| 57 | cs map[int]int |
| 58 | rs map[int]int |
| 59 | headers [][]string |
| 60 | footers [][]string |
| 61 | caption bool |
| 62 | captionText string |
| 63 | autoFmt bool |
| 64 | autoWrap bool |
| 65 | reflowText bool |
| 66 | mW int |
| 67 | pCenter string |
| 68 | pRow string |
| 69 | pColumn string |
| 70 | tColumn int |
| 71 | tRow int |
| 72 | hAlign int |
| 73 | fAlign int |
| 74 | align int |
| 75 | newLine string |
| 76 | rowLine bool |
| 77 | autoMergeCells bool |
| 78 | columnsToAutoMergeCells map[int]bool |
| 79 | noWhiteSpace bool |
| 80 | tablePadding string |
| 81 | hdrLine bool |
| 82 | borders Border |
| 83 | colSize int |
| 84 | headerParams []string |
| 85 | columnsParams []string |
| 86 | footerParams []string |
| 87 | columnsAlign []int |
| 88 | } |
| 89 | |
| 90 | // Start New Table |
| 91 | // Take io.Writer Directly |
| 92 | func NewWriter(writer io.Writer) *Table { |
| 93 | t := &Table{ |
| 94 | separators: []int{}, |
| 95 | out: writer, |
| 96 | rows: [][]string{}, |
| 97 | lines: [][][]string{}, |
| 98 | cs: make(map[int]int), |
| 99 | rs: make(map[int]int), |
| 100 | headers: [][]string{}, |
| 101 | footers: [][]string{}, |
| 102 | caption: false, |
| 103 | captionText: "Table caption.", |
| 104 | autoFmt: true, |
| 105 | autoWrap: true, |
| 106 | reflowText: true, |
| 107 | mW: MAX_ROW_WIDTH, |
| 108 | pCenter: CENTER, |
| 109 | pRow: ROW, |
| 110 | pColumn: COLUMN, |
| 111 | tColumn: -1, |
| 112 | tRow: -1, |
| 113 | hAlign: ALIGN_DEFAULT, |
| 114 | fAlign: ALIGN_DEFAULT, |
| 115 | align: ALIGN_DEFAULT, |
| 116 | newLine: NEWLINE, |
| 117 | rowLine: false, |
| 118 | hdrLine: true, |
| 119 | borders: Border{Left: true, Right: true, Bottom: true, Top: true}, |
| 120 | colSize: -1, |
| 121 | headerParams: []string{}, |
| 122 | columnsParams: []string{}, |
| 123 | footerParams: []string{}, |
| 124 | columnsAlign: []int{}} |
| 125 | return t |
| 126 | } |
| 127 | |
| 128 | func (t *Table) AddSeparator() { |
| 129 | t.separators = append(t.separators, len(t.lines)) |
| 130 | } |
| 131 | |
| 132 | // Render table output |
| 133 | func (t *Table) Render() { |
| 134 | if t.borders.Top { |
| 135 | t.printLine(true) |
| 136 | } |
| 137 | t.printHeading() |
| 138 | if t.autoMergeCells { |
| 139 | t.printRowsMergeCells() |
| 140 | } else { |
| 141 | t.printRows() |
| 142 | } |
| 143 | if !t.rowLine && t.borders.Bottom { |
| 144 | t.printLine(true) |
| 145 | } |
| 146 | t.printFooter() |
| 147 | |
| 148 | if t.caption { |
| 149 | t.printCaption() |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | const ( |
| 154 | headerRowIdx = -1 |
| 155 | footerRowIdx = -2 |
| 156 | ) |
| 157 | |
| 158 | // Set table header |
| 159 | func (t *Table) SetHeader(keys []string) { |
| 160 | t.colSize = len(keys) |
| 161 | for i, v := range keys { |
| 162 | lines := t.parseDimension(v, i, headerRowIdx) |
| 163 | t.headers = append(t.headers, lines) |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | // Set table Footer |
| 168 | func (t *Table) SetFooter(keys []string) { |
| 169 | //t.colSize = len(keys) |
| 170 | for i, v := range keys { |
| 171 | lines := t.parseDimension(v, i, footerRowIdx) |
| 172 | t.footers = append(t.footers, lines) |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | // Set table Caption |
| 177 | func (t *Table) SetCaption(caption bool, captionText ...string) { |
| 178 | t.caption = caption |
| 179 | if len(captionText) == 1 { |
| 180 | t.captionText = captionText[0] |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | // Turn header autoformatting on/off. Default is on (true). |
| 185 | func (t *Table) SetAutoFormatHeaders(auto bool) { |
| 186 | t.autoFmt = auto |
| 187 | } |
| 188 | |
| 189 | // Turn automatic multiline text adjustment on/off. Default is on (true). |
| 190 | func (t *Table) SetAutoWrapText(auto bool) { |
| 191 | t.autoWrap = auto |
| 192 | } |
| 193 | |
| 194 | // Turn automatic reflowing of multiline text when rewrapping. Default is on (true). |
| 195 | func (t *Table) SetReflowDuringAutoWrap(auto bool) { |
| 196 | t.reflowText = auto |
| 197 | } |
| 198 | |
| 199 | // Set the Default column width |
| 200 | func (t *Table) SetColWidth(width int) { |
| 201 | t.mW = width |
| 202 | } |
| 203 | |
| 204 | // Set the minimal width for a column |
| 205 | func (t *Table) SetColMinWidth(column int, width int) { |
| 206 | t.cs[column] = width |
| 207 | } |
| 208 | |
| 209 | // Set the Column Separator |
| 210 | func (t *Table) SetColumnSeparator(sep string) { |
| 211 | t.pColumn = sep |
| 212 | } |
| 213 | |
| 214 | // Set the Row Separator |
| 215 | func (t *Table) SetRowSeparator(sep string) { |
| 216 | t.pRow = sep |
| 217 | } |
| 218 | |
| 219 | // Set the center Separator |
| 220 | func (t *Table) SetCenterSeparator(sep string) { |
| 221 | t.pCenter = sep |
| 222 | } |
| 223 | |
| 224 | // Set Header Alignment |
| 225 | func (t *Table) SetHeaderAlignment(hAlign int) { |
| 226 | t.hAlign = hAlign |
| 227 | } |
| 228 | |
| 229 | // Set Footer Alignment |
| 230 | func (t *Table) SetFooterAlignment(fAlign int) { |
| 231 | t.fAlign = fAlign |
| 232 | } |
| 233 | |
| 234 | // Set Table Alignment |
| 235 | func (t *Table) SetAlignment(align int) { |
| 236 | t.align = align |
| 237 | } |
| 238 | |
| 239 | // Set No White Space |
| 240 | func (t *Table) SetNoWhiteSpace(allow bool) { |
| 241 | t.noWhiteSpace = allow |
| 242 | } |
| 243 | |
| 244 | // Set Table Padding |
| 245 | func (t *Table) SetTablePadding(padding string) { |
| 246 | t.tablePadding = padding |
| 247 | } |
| 248 | |
| 249 | func (t *Table) SetColumnAlignment(keys []int) { |
| 250 | for _, v := range keys { |
| 251 | switch v { |
| 252 | case ALIGN_CENTER: |
| 253 | break |
| 254 | case ALIGN_LEFT: |
| 255 | break |
| 256 | case ALIGN_RIGHT: |
| 257 | break |
| 258 | default: |
| 259 | v = ALIGN_DEFAULT |
| 260 | } |
| 261 | t.columnsAlign = append(t.columnsAlign, v) |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | // Set New Line |
| 266 | func (t *Table) SetNewLine(nl string) { |
| 267 | t.newLine = nl |
| 268 | } |
| 269 | |
| 270 | // Set Header Line |
| 271 | // This would enable / disable a line after the header |
| 272 | func (t *Table) SetHeaderLine(line bool) { |
| 273 | t.hdrLine = line |
| 274 | } |
| 275 | |
| 276 | // Set Row Line |
| 277 | // This would enable / disable a line on each row of the table |
| 278 | func (t *Table) SetRowLine(line bool) { |
| 279 | t.rowLine = line |
| 280 | } |
| 281 | |
| 282 | // Set Auto Merge Cells |
| 283 | // This would enable / disable the merge of cells with identical values |
| 284 | func (t *Table) SetAutoMergeCells(auto bool) { |
| 285 | t.autoMergeCells = auto |
| 286 | } |
| 287 | |
| 288 | // Set Auto Merge Cells By Column Index |
| 289 | // This would enable / disable the merge of cells with identical values for specific columns |
| 290 | // If cols is empty, it is the same as `SetAutoMergeCells(true)`. |
| 291 | func (t *Table) SetAutoMergeCellsByColumnIndex(cols []int) { |
| 292 | t.autoMergeCells = true |
| 293 | |
| 294 | if len(cols) > 0 { |
| 295 | m := make(map[int]bool) |
| 296 | for _, col := range cols { |
| 297 | m[col] = true |
| 298 | } |
| 299 | t.columnsToAutoMergeCells = m |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | // Set Table Border |
| 304 | // This would enable / disable line around the table |
| 305 | func (t *Table) SetBorder(border bool) { |
| 306 | t.SetBorders(Border{border, border, border, border}) |
| 307 | } |
| 308 | |
| 309 | func (t *Table) SetBorders(border Border) { |
| 310 | t.borders = border |
| 311 | } |
| 312 | |
| 313 | // SetStructs sets header and rows from slice of struct. |
| 314 | // If something that is not a slice is passed, error will be returned. |
| 315 | // The tag specified by "tablewriter" for the struct becomes the header. |
| 316 | // If not specified or empty, the field name will be used. |
| 317 | // The field of the first element of the slice is used as the header. |
| 318 | // If the element implements fmt.Stringer, the result will be used. |
| 319 | // And the slice contains nil, it will be skipped without rendering. |
| 320 | func (t *Table) SetStructs(v interface{}) error { |
| 321 | if v == nil { |
| 322 | return errors.New("nil value") |
| 323 | } |
| 324 | vt := reflect.TypeOf(v) |
| 325 | vv := reflect.ValueOf(v) |
| 326 | switch vt.Kind() { |
| 327 | case reflect.Slice, reflect.Array: |
| 328 | if vv.Len() < 1 { |
| 329 | return errors.New("empty value") |
| 330 | } |
| 331 | |
| 332 | // check first element to set header |
| 333 | first := vv.Index(0) |
| 334 | e := first.Type() |
| 335 | switch e.Kind() { |
| 336 | case reflect.Struct: |
| 337 | // OK |
| 338 | case reflect.Ptr: |
| 339 | if first.IsNil() { |
| 340 | return errors.New("the first element is nil") |
| 341 | } |
| 342 | e = first.Elem().Type() |
| 343 | if e.Kind() != reflect.Struct { |
| 344 | return fmt.Errorf("invalid kind %s", e.Kind()) |
| 345 | } |
| 346 | default: |
| 347 | return fmt.Errorf("invalid kind %s", e.Kind()) |
| 348 | } |
| 349 | n := e.NumField() |
| 350 | headers := make([]string, n) |
| 351 | for i := 0; i < n; i++ { |
| 352 | f := e.Field(i) |
| 353 | header := f.Tag.Get("tablewriter") |
| 354 | if header == "" { |
| 355 | header = f.Name |
| 356 | } |
| 357 | headers[i] = header |
| 358 | } |
| 359 | t.SetHeader(headers) |
| 360 | |
| 361 | for i := 0; i < vv.Len(); i++ { |
| 362 | item := reflect.Indirect(vv.Index(i)) |
| 363 | itemType := reflect.TypeOf(item) |
| 364 | switch itemType.Kind() { |
| 365 | case reflect.Struct: |
| 366 | // OK |
| 367 | default: |
| 368 | return fmt.Errorf("invalid item type %v", itemType.Kind()) |
| 369 | } |
| 370 | if !item.IsValid() { |
| 371 | // skip rendering |
| 372 | continue |
| 373 | } |
| 374 | nf := item.NumField() |
| 375 | if n != nf { |
| 376 | return errors.New("invalid num of field") |
| 377 | } |
| 378 | rows := make([]string, nf) |
| 379 | for j := 0; j < nf; j++ { |
| 380 | f := reflect.Indirect(item.Field(j)) |
| 381 | if f.Kind() == reflect.Ptr { |
| 382 | f = f.Elem() |
| 383 | } |
| 384 | if f.IsValid() { |
| 385 | if s, ok := f.Interface().(fmt.Stringer); ok { |
| 386 | rows[j] = s.String() |
| 387 | continue |
| 388 | } |
| 389 | rows[j] = fmt.Sprint(f) |
| 390 | } else { |
| 391 | rows[j] = "nil" |
| 392 | } |
| 393 | } |
| 394 | t.Append(rows) |
| 395 | } |
| 396 | default: |
| 397 | return fmt.Errorf("invalid type %T", v) |
| 398 | } |
| 399 | return nil |
| 400 | } |
| 401 | |
| 402 | // Append row to table |
| 403 | func (t *Table) Append(row []string) { |
| 404 | rowSize := len(t.headers) |
| 405 | if rowSize > t.colSize { |
| 406 | t.colSize = rowSize |
| 407 | } |
| 408 | |
| 409 | n := len(t.lines) |
| 410 | line := [][]string{} |
| 411 | for i, v := range row { |
| 412 | |
| 413 | // Detect string width |
| 414 | // Detect String height |
| 415 | // Break strings into words |
| 416 | out := t.parseDimension(v, i, n) |
| 417 | |
| 418 | // Append broken words |
| 419 | line = append(line, out) |
| 420 | } |
| 421 | t.lines = append(t.lines, line) |
| 422 | } |
| 423 | |
| 424 | // Append row to table with color attributes |
| 425 | func (t *Table) Rich(row []string, colors []Colors) { |
| 426 | rowSize := len(t.headers) |
| 427 | if rowSize > t.colSize { |
| 428 | t.colSize = rowSize |
| 429 | } |
| 430 | |
| 431 | n := len(t.lines) |
| 432 | line := [][]string{} |
| 433 | for i, v := range row { |
| 434 | |
| 435 | // Detect string width |
| 436 | // Detect String height |
| 437 | // Break strings into words |
| 438 | out := t.parseDimension(v, i, n) |
| 439 | |
| 440 | if len(colors) > i { |
| 441 | color := colors[i] |
| 442 | out[0] = format(out[0], color) |
| 443 | } |
| 444 | |
| 445 | // Append broken words |
| 446 | line = append(line, out) |
| 447 | } |
| 448 | t.lines = append(t.lines, line) |
| 449 | } |
| 450 | |
| 451 | // Allow Support for Bulk Append |
| 452 | // Eliminates repeated for loops |
| 453 | func (t *Table) AppendBulk(rows [][]string) { |
| 454 | for _, row := range rows { |
| 455 | t.Append(row) |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | // NumLines to get the number of lines |
| 460 | func (t *Table) NumLines() int { |
| 461 | return len(t.lines) |
| 462 | } |
| 463 | |
| 464 | // Clear rows |
| 465 | func (t *Table) ClearRows() { |
| 466 | t.lines = [][][]string{} |
| 467 | } |
| 468 | |
| 469 | // Clear footer |
| 470 | func (t *Table) ClearFooter() { |
| 471 | t.footers = [][]string{} |
| 472 | } |
| 473 | |
| 474 | // Center based on position and border. |
| 475 | func (t *Table) center(i int) string { |
| 476 | if i == -1 && !t.borders.Left { |
| 477 | return t.pRow |
| 478 | } |
| 479 | |
| 480 | if i == len(t.cs)-1 && !t.borders.Right { |
| 481 | return t.pRow |
| 482 | } |
| 483 | |
| 484 | return t.pCenter |
| 485 | } |
| 486 | |
| 487 | // Print line based on row width |
| 488 | func (t *Table) printLine(nl bool) { |
| 489 | fmt.Fprint(t.out, t.center(-1)) |
| 490 | for i := 0; i < len(t.cs); i++ { |
| 491 | v := t.cs[i] |
| 492 | fmt.Fprintf(t.out, "%s%s%s%s", |
| 493 | t.pRow, |
| 494 | strings.Repeat(string(t.pRow), v), |
| 495 | t.pRow, |
| 496 | t.center(i)) |
| 497 | } |
| 498 | if nl { |
| 499 | fmt.Fprint(t.out, t.newLine) |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | // Print line based on row width with our without cell separator |
| 504 | func (t *Table) printLineOptionalCellSeparators(nl bool, displayCellSeparator []bool) { |
| 505 | fmt.Fprint(t.out, t.pCenter) |
| 506 | for i := 0; i < len(t.cs); i++ { |
| 507 | v := t.cs[i] |
| 508 | if i > len(displayCellSeparator) || displayCellSeparator[i] { |
| 509 | // Display the cell separator |
| 510 | fmt.Fprintf(t.out, "%s%s%s%s", |
| 511 | t.pRow, |
| 512 | strings.Repeat(string(t.pRow), v), |
| 513 | t.pRow, |
| 514 | t.pCenter) |
| 515 | } else { |
| 516 | // Don't display the cell separator for this cell |
| 517 | fmt.Fprintf(t.out, "%s%s", |
| 518 | strings.Repeat(" ", v+2), |
| 519 | t.pCenter) |
| 520 | } |
| 521 | } |
| 522 | if nl { |
| 523 | fmt.Fprint(t.out, t.newLine) |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | // Return the PadRight function if align is left, PadLeft if align is right, |
| 528 | // and Pad by default |
| 529 | func pad(align int) func(string, string, int) string { |
| 530 | padFunc := Pad |
| 531 | switch align { |
| 532 | case ALIGN_LEFT: |
| 533 | padFunc = PadRight |
| 534 | case ALIGN_RIGHT: |
| 535 | padFunc = PadLeft |
| 536 | } |
| 537 | return padFunc |
| 538 | } |
| 539 | |
| 540 | // Print heading information |
| 541 | func (t *Table) printHeading() { |
| 542 | // Check if headers is available |
| 543 | if len(t.headers) < 1 { |
| 544 | return |
| 545 | } |
| 546 | |
| 547 | // Identify last column |
| 548 | end := len(t.cs) - 1 |
| 549 | |
| 550 | // Get pad function |
| 551 | padFunc := pad(t.hAlign) |
| 552 | |
| 553 | // Checking for ANSI escape sequences for header |
| 554 | is_esc_seq := false |
| 555 | if len(t.headerParams) > 0 { |
| 556 | is_esc_seq = true |
| 557 | } |
| 558 | |
| 559 | // Maximum height. |
| 560 | max := t.rs[headerRowIdx] |
| 561 | |
| 562 | // Print Heading |
| 563 | for x := 0; x < max; x++ { |
| 564 | // Check if border is set |
| 565 | // Replace with space if not set |
| 566 | if !t.noWhiteSpace { |
| 567 | fmt.Fprint(t.out, ConditionString(t.borders.Left, t.pColumn, SPACE)) |
| 568 | } |
| 569 | |
| 570 | for y := 0; y <= end; y++ { |
| 571 | v := t.cs[y] |
| 572 | h := "" |
| 573 | |
| 574 | if y < len(t.headers) && x < len(t.headers[y]) { |
| 575 | h = t.headers[y][x] |
| 576 | } |
| 577 | if t.autoFmt { |
| 578 | h = Title(h) |
| 579 | } |
| 580 | pad := ConditionString((y == end && !t.borders.Left), SPACE, t.pColumn) |
| 581 | if t.noWhiteSpace { |
| 582 | pad = ConditionString((y == end && !t.borders.Left), SPACE, t.tablePadding) |
| 583 | } |
| 584 | if is_esc_seq { |
| 585 | if !t.noWhiteSpace { |
| 586 | fmt.Fprintf(t.out, " %s %s", |
| 587 | format(padFunc(h, SPACE, v), |
| 588 | t.headerParams[y]), pad) |
| 589 | } else { |
| 590 | fmt.Fprintf(t.out, "%s %s", |
| 591 | format(padFunc(h, SPACE, v), |
| 592 | t.headerParams[y]), pad) |
| 593 | } |
| 594 | } else { |
| 595 | if !t.noWhiteSpace { |
| 596 | fmt.Fprintf(t.out, " %s %s", |
| 597 | padFunc(h, SPACE, v), |
| 598 | pad) |
| 599 | } else { |
| 600 | // the spaces between breaks the kube formatting |
| 601 | fmt.Fprintf(t.out, "%s%s", |
| 602 | padFunc(h, SPACE, v), |
| 603 | pad) |
| 604 | } |
| 605 | } |
| 606 | } |
| 607 | // Next line |
| 608 | fmt.Fprint(t.out, t.newLine) |
| 609 | } |
| 610 | if t.hdrLine { |
| 611 | t.printLine(true) |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | // Print heading information |
| 616 | func (t *Table) printFooter() { |
| 617 | // Check if headers is available |
| 618 | if len(t.footers) < 1 { |
| 619 | return |
| 620 | } |
| 621 | |
| 622 | // Only print line if border is not set |
| 623 | if !t.borders.Bottom { |
| 624 | t.printLine(true) |
| 625 | } |
| 626 | |
| 627 | // Identify last column |
| 628 | end := len(t.cs) - 1 |
| 629 | |
| 630 | // Get pad function |
| 631 | padFunc := pad(t.fAlign) |
| 632 | |
| 633 | // Checking for ANSI escape sequences for header |
| 634 | is_esc_seq := false |
| 635 | if len(t.footerParams) > 0 { |
| 636 | is_esc_seq = true |
| 637 | } |
| 638 | |
| 639 | // Maximum height. |
| 640 | max := t.rs[footerRowIdx] |
| 641 | |
| 642 | // Print Footer |
| 643 | erasePad := make([]bool, len(t.footers)) |
| 644 | for x := 0; x < max; x++ { |
| 645 | // Check if border is set |
| 646 | // Replace with space if not set |
| 647 | fmt.Fprint(t.out, ConditionString(t.borders.Bottom, t.pColumn, SPACE)) |
| 648 | |
| 649 | for y := 0; y <= end; y++ { |
| 650 | v := t.cs[y] |
| 651 | f := "" |
| 652 | if y < len(t.footers) && x < len(t.footers[y]) { |
| 653 | f = t.footers[y][x] |
| 654 | } |
| 655 | if t.autoFmt { |
| 656 | f = Title(f) |
| 657 | } |
| 658 | pad := ConditionString((y == end && !t.borders.Top), SPACE, t.pColumn) |
| 659 | |
| 660 | if erasePad[y] || (x == 0 && len(f) == 0) { |
| 661 | pad = SPACE |
| 662 | erasePad[y] = true |
| 663 | } |
| 664 | |
| 665 | if is_esc_seq { |
| 666 | fmt.Fprintf(t.out, " %s %s", |
| 667 | format(padFunc(f, SPACE, v), |
| 668 | t.footerParams[y]), pad) |
| 669 | } else { |
| 670 | fmt.Fprintf(t.out, " %s %s", |
| 671 | padFunc(f, SPACE, v), |
| 672 | pad) |
| 673 | } |
| 674 | |
| 675 | //fmt.Fprintf(t.out, " %s %s", |
| 676 | // padFunc(f, SPACE, v), |
| 677 | // pad) |
| 678 | } |
| 679 | // Next line |
| 680 | fmt.Fprint(t.out, t.newLine) |
| 681 | //t.printLine(true) |
| 682 | } |
| 683 | |
| 684 | hasPrinted := false |
| 685 | |
| 686 | for i := 0; i <= end; i++ { |
| 687 | v := t.cs[i] |
| 688 | pad := t.pRow |
| 689 | center := t.pCenter |
| 690 | length := len(t.footers[i][0]) |
| 691 | |
| 692 | if length > 0 { |
| 693 | hasPrinted = true |
| 694 | } |
| 695 | |
| 696 | // Set center to be space if length is 0 |
| 697 | if length == 0 && !t.borders.Right { |
| 698 | center = SPACE |
| 699 | } |
| 700 | |
| 701 | // Print first junction |
| 702 | if i == 0 { |
| 703 | if length > 0 && !t.borders.Left { |
| 704 | center = t.pRow |
| 705 | } |
| 706 | fmt.Fprint(t.out, center) |
| 707 | } |
| 708 | |
| 709 | // Pad With space of length is 0 |
| 710 | if length == 0 { |
| 711 | pad = SPACE |
| 712 | } |
| 713 | // Ignore left space as it has printed before |
| 714 | if hasPrinted || t.borders.Left { |
| 715 | pad = t.pRow |
| 716 | center = t.pCenter |
| 717 | } |
| 718 | |
| 719 | // Change Center end position |
| 720 | if center != SPACE { |
| 721 | if i == end && !t.borders.Right { |
| 722 | center = t.pRow |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | // Change Center start position |
| 727 | if center == SPACE { |
| 728 | if i < end && len(t.footers[i+1][0]) != 0 { |
| 729 | if !t.borders.Left { |
| 730 | center = t.pRow |
| 731 | } else { |
| 732 | center = t.pCenter |
| 733 | } |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | // Print the footer |
| 738 | fmt.Fprintf(t.out, "%s%s%s%s", |
| 739 | pad, |
| 740 | strings.Repeat(string(pad), v), |
| 741 | pad, |
| 742 | center) |
| 743 | |
| 744 | } |
| 745 | |
| 746 | fmt.Fprint(t.out, t.newLine) |
| 747 | } |
| 748 | |
| 749 | // Print caption text |
| 750 | func (t Table) printCaption() { |
| 751 | width := t.getTableWidth() |
| 752 | paragraph, _ := WrapString(t.captionText, width) |
| 753 | for linecount := 0; linecount < len(paragraph); linecount++ { |
| 754 | fmt.Fprintln(t.out, paragraph[linecount]) |
| 755 | } |
| 756 | } |
| 757 | |
| 758 | // Calculate the total number of characters in a row |
| 759 | func (t Table) getTableWidth() int { |
| 760 | var chars int |
| 761 | for _, v := range t.cs { |
| 762 | chars += v |
| 763 | } |
| 764 | |
| 765 | // Add chars, spaces, seperators to calculate the total width of the table. |
| 766 | // ncols := t.colSize |
| 767 | // spaces := ncols * 2 |
| 768 | // seps := ncols + 1 |
| 769 | |
| 770 | return (chars + (3 * t.colSize) + 2) |
| 771 | } |
| 772 | |
| 773 | func (t Table) printRows() { |
| 774 | sepIdx := 0 |
| 775 | for i, lines := range t.lines { |
| 776 | if sepIdx < len(t.separators) && i == t.separators[sepIdx] { |
| 777 | t.printLine(true) |
| 778 | if sepIdx < len(t.separators) { |
| 779 | sepIdx++ |
| 780 | } |
| 781 | } |
| 782 | t.printRow(lines, i) |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | func (t *Table) fillAlignment(num int) { |
| 787 | if len(t.columnsAlign) < num { |
| 788 | t.columnsAlign = make([]int, num) |
| 789 | for i := range t.columnsAlign { |
| 790 | t.columnsAlign[i] = t.align |
| 791 | } |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | // Print Row Information |
| 796 | // Adjust column alignment based on type |
| 797 | |
| 798 | func (t *Table) printRow(columns [][]string, rowIdx int) { |
| 799 | // Get Maximum Height |
| 800 | max := t.rs[rowIdx] |
| 801 | total := len(columns) |
| 802 | |
| 803 | // TODO Fix uneven col size |
| 804 | // if total < t.colSize { |
| 805 | // for n := t.colSize - total; n < t.colSize ; n++ { |
| 806 | // columns = append(columns, []string{SPACE}) |
| 807 | // t.cs[n] = t.mW |
| 808 | // } |
| 809 | //} |
| 810 | |
| 811 | // Pad Each Height |
| 812 | pads := []int{} |
| 813 | |
| 814 | // Checking for ANSI escape sequences for columns |
| 815 | is_esc_seq := false |
| 816 | if len(t.columnsParams) > 0 { |
| 817 | is_esc_seq = true |
| 818 | } |
| 819 | t.fillAlignment(total) |
| 820 | |
| 821 | for i, line := range columns { |
| 822 | length := len(line) |
| 823 | pad := max - length |
| 824 | pads = append(pads, pad) |
| 825 | for n := 0; n < pad; n++ { |
| 826 | columns[i] = append(columns[i], " ") |
| 827 | } |
| 828 | } |
| 829 | //fmt.Println(max, "\n") |
| 830 | for x := 0; x < max; x++ { |
| 831 | for y := 0; y < total; y++ { |
| 832 | |
| 833 | // Check if border is set |
| 834 | if !t.noWhiteSpace { |
| 835 | fmt.Fprint(t.out, ConditionString((!t.borders.Left && y == 0), SPACE, t.pColumn)) |
| 836 | fmt.Fprintf(t.out, SPACE) |
| 837 | } |
| 838 | |
| 839 | str := columns[y][x] |
| 840 | |
| 841 | // Embedding escape sequence with column value |
| 842 | if is_esc_seq { |
| 843 | str = format(str, t.columnsParams[y]) |
| 844 | } |
| 845 | |
| 846 | // This would print alignment |
| 847 | // Default alignment would use multiple configuration |
| 848 | switch t.columnsAlign[y] { |
| 849 | case ALIGN_CENTER: // |
| 850 | fmt.Fprintf(t.out, "%s", Pad(str, SPACE, t.cs[y])) |
| 851 | case ALIGN_RIGHT: |
| 852 | fmt.Fprintf(t.out, "%s", PadLeft(str, SPACE, t.cs[y])) |
| 853 | case ALIGN_LEFT: |
| 854 | fmt.Fprintf(t.out, "%s", PadRight(str, SPACE, t.cs[y])) |
| 855 | default: |
| 856 | if decimal.MatchString(strings.TrimSpace(str)) || percent.MatchString(strings.TrimSpace(str)) { |
| 857 | fmt.Fprintf(t.out, "%s", PadLeft(str, SPACE, t.cs[y])) |
| 858 | } else { |
| 859 | fmt.Fprintf(t.out, "%s", PadRight(str, SPACE, t.cs[y])) |
| 860 | |
| 861 | // TODO Custom alignment per column |
| 862 | //if max == 1 || pads[y] > 0 { |
| 863 | // fmt.Fprintf(t.out, "%s", Pad(str, SPACE, t.cs[y])) |
| 864 | //} else { |
| 865 | // fmt.Fprintf(t.out, "%s", PadRight(str, SPACE, t.cs[y])) |
| 866 | //} |
| 867 | |
| 868 | } |
| 869 | } |
| 870 | if !t.noWhiteSpace { |
| 871 | fmt.Fprintf(t.out, SPACE) |
| 872 | } else { |
| 873 | fmt.Fprintf(t.out, t.tablePadding) |
| 874 | } |
| 875 | } |
| 876 | // Check if border is set |
| 877 | // Replace with space if not set |
| 878 | if !t.noWhiteSpace { |
| 879 | fmt.Fprint(t.out, ConditionString(t.borders.Left, t.pColumn, SPACE)) |
| 880 | } |
| 881 | fmt.Fprint(t.out, t.newLine) |
| 882 | } |
| 883 | |
| 884 | if t.rowLine { |
| 885 | t.printLine(true) |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | // Print the rows of the table and merge the cells that are identical |
| 890 | func (t *Table) printRowsMergeCells() { |
| 891 | var previousLine []string |
| 892 | var displayCellBorder []bool |
| 893 | var tmpWriter bytes.Buffer |
| 894 | |
| 895 | sepIdx := 0 |
| 896 | for i, lines := range t.lines { |
| 897 | // We store the display of the current line in a tmp writer, as we need to know which border needs to be print above |
| 898 | previousLine, displayCellBorder = t.printRowMergeCells(&tmpWriter, lines, i, previousLine) |
| 899 | if i > 0 { // We don't need to print borders above first line |
| 900 | if sepIdx < len(t.separators) && i == t.separators[sepIdx] { |
| 901 | t.printLine(true) |
| 902 | if sepIdx < len(t.separators) { |
| 903 | sepIdx++ |
| 904 | } |
| 905 | } |
| 906 | if t.rowLine { |
| 907 | t.printLineOptionalCellSeparators(true, displayCellBorder) |
| 908 | } |
| 909 | } |
| 910 | tmpWriter.WriteTo(t.out) |
| 911 | } |
| 912 | //Print the end of the table |
| 913 | if t.rowLine { |
| 914 | t.printLine(true) |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | // Print Row Information to a writer and merge identical cells. |
| 919 | // Adjust column alignment based on type |
| 920 | |
| 921 | func (t *Table) printRowMergeCells(writer io.Writer, columns [][]string, rowIdx int, previousLine []string) ([]string, []bool) { |
| 922 | // Get Maximum Height |
| 923 | max := t.rs[rowIdx] |
| 924 | total := len(columns) |
| 925 | |
| 926 | // Pad Each Height |
| 927 | pads := []int{} |
| 928 | |
| 929 | // Checking for ANSI escape sequences for columns |
| 930 | is_esc_seq := false |
| 931 | if len(t.columnsParams) > 0 { |
| 932 | is_esc_seq = true |
| 933 | } |
| 934 | for i, line := range columns { |
| 935 | length := len(line) |
| 936 | pad := max - length |
| 937 | pads = append(pads, pad) |
| 938 | for n := 0; n < pad; n++ { |
| 939 | columns[i] = append(columns[i], " ") |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | var displayCellBorder []bool |
| 944 | t.fillAlignment(total) |
| 945 | for x := 0; x < max; x++ { |
| 946 | for y := 0; y < total; y++ { |
| 947 | |
| 948 | // Check if border is set |
| 949 | fmt.Fprint(writer, ConditionString((!t.borders.Left && y == 0), SPACE, t.pColumn)) |
| 950 | |
| 951 | fmt.Fprintf(writer, SPACE) |
| 952 | |
| 953 | str := columns[y][x] |
| 954 | |
| 955 | // Embedding escape sequence with column value |
| 956 | if is_esc_seq { |
| 957 | str = format(str, t.columnsParams[y]) |
| 958 | } |
| 959 | |
| 960 | if t.autoMergeCells { |
| 961 | // Skip separator lines |
| 962 | for _, i := range t.separators { |
| 963 | if i == rowIdx { |
| 964 | continue |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | var mergeCell bool |
| 969 | if t.columnsToAutoMergeCells != nil { |
| 970 | // Check to see if the column index is in columnsToAutoMergeCells. |
| 971 | if t.columnsToAutoMergeCells[y] { |
| 972 | mergeCell = true |
| 973 | } |
| 974 | } else { |
| 975 | // columnsToAutoMergeCells was not set. |
| 976 | mergeCell = true |
| 977 | } |
| 978 | //Store the full line to merge mutli-lines cells |
| 979 | fullLine := strings.TrimRight(strings.Join(columns[y], " "), " ") |
| 980 | if len(previousLine) > y && fullLine == previousLine[y] && fullLine != "" && mergeCell { |
| 981 | // If this cell is identical to the one above but not empty, we don't display the border and keep the cell empty. |
| 982 | displayCellBorder = append(displayCellBorder, false) |
| 983 | str = "" |
| 984 | } else { |
| 985 | // First line or different content, keep the content and print the cell border |
| 986 | displayCellBorder = append(displayCellBorder, true) |
| 987 | } |
| 988 | } |
| 989 | |
| 990 | // This would print alignment |
| 991 | // Default alignment would use multiple configuration |
| 992 | switch t.columnsAlign[y] { |
| 993 | case ALIGN_CENTER: // |
| 994 | fmt.Fprintf(writer, "%s", Pad(str, SPACE, t.cs[y])) |
| 995 | case ALIGN_RIGHT: |
| 996 | fmt.Fprintf(writer, "%s", PadLeft(str, SPACE, t.cs[y])) |
| 997 | case ALIGN_LEFT: |
| 998 | fmt.Fprintf(writer, "%s", PadRight(str, SPACE, t.cs[y])) |
| 999 | default: |
| 1000 | if decimal.MatchString(strings.TrimSpace(str)) || percent.MatchString(strings.TrimSpace(str)) { |
| 1001 | fmt.Fprintf(writer, "%s", PadLeft(str, SPACE, t.cs[y])) |
| 1002 | } else { |
| 1003 | fmt.Fprintf(writer, "%s", PadRight(str, SPACE, t.cs[y])) |
| 1004 | } |
| 1005 | } |
| 1006 | fmt.Fprintf(writer, SPACE) |
| 1007 | } |
| 1008 | // Check if border is set |
| 1009 | // Replace with space if not set |
| 1010 | fmt.Fprint(writer, ConditionString(t.borders.Left, t.pColumn, SPACE)) |
| 1011 | fmt.Fprint(writer, t.newLine) |
| 1012 | } |
| 1013 | |
| 1014 | //The new previous line is the current one |
| 1015 | previousLine = make([]string, total) |
| 1016 | for y := 0; y < total; y++ { |
| 1017 | previousLine[y] = strings.TrimRight(strings.Join(columns[y], " "), " ") //Store the full line for multi-lines cells |
| 1018 | } |
| 1019 | //Returns the newly added line and wether or not a border should be displayed above. |
| 1020 | return previousLine, displayCellBorder |
| 1021 | } |
| 1022 | |
| 1023 | func (t *Table) parseDimension(str string, colKey, rowKey int) []string { |
| 1024 | var ( |
| 1025 | raw []string |
| 1026 | maxWidth int |
| 1027 | ) |
| 1028 | |
| 1029 | raw = getLines(str) |
| 1030 | maxWidth = 0 |
| 1031 | for _, line := range raw { |
| 1032 | if w := DisplayWidth(line); w > maxWidth { |
| 1033 | maxWidth = w |
| 1034 | } |
| 1035 | } |
| 1036 | |
| 1037 | // If wrapping, ensure that all paragraphs in the cell fit in the |
| 1038 | // specified width. |
| 1039 | if t.autoWrap { |
| 1040 | // If there's a maximum allowed width for wrapping, use that. |
| 1041 | if maxWidth > t.mW { |
| 1042 | maxWidth = t.mW |
| 1043 | } |
| 1044 | |
| 1045 | // In the process of doing so, we need to recompute maxWidth. This |
| 1046 | // is because perhaps a word in the cell is longer than the |
| 1047 | // allowed maximum width in t.mW. |
| 1048 | newMaxWidth := maxWidth |
| 1049 | newRaw := make([]string, 0, len(raw)) |
| 1050 | |
| 1051 | if t.reflowText { |
| 1052 | // Make a single paragraph of everything. |
| 1053 | raw = []string{strings.Join(raw, " ")} |
| 1054 | } |
| 1055 | for i, para := range raw { |
| 1056 | paraLines, _ := WrapString(para, maxWidth) |
| 1057 | for _, line := range paraLines { |
| 1058 | if w := DisplayWidth(line); w > newMaxWidth { |
| 1059 | newMaxWidth = w |
| 1060 | } |
| 1061 | } |
| 1062 | if i > 0 { |
| 1063 | newRaw = append(newRaw, " ") |
| 1064 | } |
| 1065 | newRaw = append(newRaw, paraLines...) |
| 1066 | } |
| 1067 | raw = newRaw |
| 1068 | maxWidth = newMaxWidth |
| 1069 | } |
| 1070 | |
| 1071 | // Store the new known maximum width. |
| 1072 | v, ok := t.cs[colKey] |
| 1073 | if !ok || v < maxWidth || v == 0 { |
| 1074 | t.cs[colKey] = maxWidth |
| 1075 | } |
| 1076 | |
| 1077 | // Remember the number of lines for the row printer. |
| 1078 | h := len(raw) |
| 1079 | v, ok = t.rs[rowKey] |
| 1080 | |
| 1081 | if !ok || v < h || v == 0 { |
| 1082 | t.rs[rowKey] = h |
| 1083 | } |
| 1084 | //fmt.Printf("Raw %+v %d\n", raw, len(raw)) |
| 1085 | return raw |
| 1086 | } |