add template output mode

lib/tabdata.go

@@ -0,0 +1,79 @@
+/*
+Copyright © 2022-2025 Thomas von Dein
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package lib
+
+import (
+	"strconv"
+	"strings"
+)
+
+// contains a whole parsed table
+type Tabdata struct {
+	maxwidthHeader int      // longest header
+	columns        int      // count
+	headers        []string // [ "ID", "NAME", ...]
+	entries        [][]string
+}
+
+func (data *Tabdata) CloneEmpty() Tabdata {
+	newdata := Tabdata{
+		maxwidthHeader: data.maxwidthHeader,
+		columns:        data.columns,
+		headers:        data.headers,
+	}
+
+	return newdata
+}
+
+// convert our internal data to a list of maps
+func (data *Tabdata) ToMap() []map[string]any {
+	dictlist := make([]map[string]any, len(data.entries))
+	headers := make([]string, len(data.headers))
+
+	for idx, header := range data.headers {
+		headers[idx] = strings.ToLower(header)
+	}
+
+	for line, row := range data.entries {
+		dict := make(map[string]any, len(data.headers))
+
+		for col, cell := range row {
+			n, ok := strconv.Atoi(cell)
+			if ok == nil {
+				dict[headers[col]] = n
+				continue
+			}
+
+			if strings.ToLower(cell) == "true" {
+				dict[headers[col]] = true
+				continue
+			}
+
+			if strings.ToLower(cell) == "false" {
+				dict[headers[col]] = false
+				continue
+			}
+
+			dict[headers[col]] = cell
+		}
+
+		dictlist[line] = dict
+	}
+
+	return dictlist
+}