GoSungrow/tablib/tablib_tabular.go
2022-12-09 20:36:31 +11:00

89 lines
2.5 KiB
Go

package tablib
import (
"GoSungrow/tablib/gotabulate"
"regexp"
"strings"
"unicode/utf8"
)
var (
// TabularGrid is the value to be passed to gotabulate to render the table
// as ASCII table with grid format
TabularGrid = "grid"
// TabularSimple is the value to be passed to gotabulate to render the table
// as ASCII table with simple format
TabularSimple = "simple"
// TabularCondensed is the value to be passed to gotabulate to render the table
// as ASCII table with condensed format
TabularCondensed = "condensed"
// TabularMarkdown is the value to be passed to gotabulate to render the table
// as ASCII table with Markdown format
TabularMarkdown = "markdown"
TabularUtf8 = "utf8"
TabularMickMake = "mickmake"
)
// Markdown returns a Markdown table Exportable representation of the Dataset.
func (d *Dataset) Markdown() *Exportable {
return d.Tabular(TabularMarkdown)
}
// Tabular returns a tabular Exportable representation of the Dataset.
// format is either grid, simple, condensed or markdown.
func (d *Dataset) Tabular(format string) *Exportable {
back := d.Records()
t := gotabulate.Create(back)
t.SetAlign(d.Align)
t.SetEmptyString(d.EmptyString)
t.SetFloatFormat(d.FloatFormat)
if d.MaxCellSize == 0 {
d.MaxCellSize = 30
}
t.SetMaxCellSize(d.MaxCellSize)
t.SetWrapDelimiter(d.WrapDelimiter)
t.SetWrapStrings(d.WrapStrings)
if d.DenseMode {
t.SetDenseMode()
}
t.SetSplitConcat(d.SplitConcat)
if format == TabularCondensed || format == TabularMarkdown || format == TabularUtf8 || format == TabularMickMake {
rendered := regexp.MustCompile("\n\n\\s").ReplaceAllString(t.Render(format), "\n ")
if format == TabularMarkdown {
firstLine := regexp.MustCompile("-\\s+-").ReplaceAllString(strings.Split(rendered, "\n")[0], "- | -")
// now just locate the position of pipe characters, and set them
positions := make([]int, 0, d.cols-1)
x := 0
for _, c := range firstLine {
if c == '|' {
positions = append(positions, x)
}
x += utf8.RuneLen(c)
}
b := newBuffer()
lines := strings.Split(rendered, "\n")
for _, line := range lines[1 : len(lines)-2] {
ipos := 0
b.WriteString("| ")
for _, pos := range positions {
if ipos < len(line) && pos < len(line) {
b.WriteString(line[ipos:pos])
b.WriteString(" | ")
ipos = pos + 1
}
}
if ipos < len(line) {
b.WriteString(line[ipos:])
}
b.WriteString(" | \n")
}
return newExportable(b)
}
return newExportableFromString(rendered)
}
return newExportableFromString(t.Render(format))
}