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Add support for table column display width markers

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see https://orgmode.org/manual/Column-Width-and-Alignment.html#Column-Width-and-Alignment
This commit is contained in:
Niklas Fasching 2020-06-21 22:13:31 +02:00
parent 9f7e8a8fbd
commit 9ffcaa8e1c
4 changed files with 17 additions and 10 deletions
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15
org/table.go
View file

@ -23,14 +23,15 @@ type Column struct {
}
type ColumnInfo struct {
Align string
Len int
Align string
Len int
DisplayLen int
}
var tableSeparatorRegexp = regexp.MustCompile(`^(\s*)(\|[+-|]*)\s*$`)
var tableRowRegexp = regexp.MustCompile(`^(\s*)(\|.*)`)
var columnAlignRegexp = regexp.MustCompile(`^<(l|c|r)>$`)
var columnAlignAndLengthRegexp = regexp.MustCompile(`^<(l|c|r)?(\d+)?>$`)
func lexTable(line string) (token, bool) {
if m := tableSeparatorRegexp.FindStringSubmatch(line); m != nil {
@ -94,7 +95,7 @@ func getColumnInfos(rows [][]string) []ColumnInfo {
columnInfos[i].Len = n
}
if m := columnAlignRegexp.FindStringSubmatch(columns[i]); m != nil && isSpecialRow(columns) {
if m := columnAlignAndLengthRegexp.FindStringSubmatch(columns[i]); m != nil && isSpecialRow(columns) {
switch m[1] {
case "l":
columnInfos[i].Align = "left"
@ -103,6 +104,10 @@ func getColumnInfos(rows [][]string) []ColumnInfo {
case "r":
columnInfos[i].Align = "right"
}
if m[2] != "" {
l, _ := strconv.Atoi(m[2])
columnInfos[i].DisplayLen = l
}
} else if _, err := strconv.ParseFloat(columns[i], 32); err == nil {
countNumeric++
} else if strings.TrimSpace(columns[i]) != "" {
@ -120,7 +125,7 @@ func getColumnInfos(rows [][]string) []ColumnInfo {
func isSpecialRow(rawColumns []string) bool {
isAlignRow := true
for _, rawColumn := range rawColumns {
if !columnAlignRegexp.MatchString(rawColumn) && rawColumn != "" {
if !columnAlignAndLengthRegexp.MatchString(rawColumn) && rawColumn != "" {
isAlignRow = false
}
}