fix wrong git ignore

internal/pdf/model/utils.go

@@ -0,0 +1,57 @@
+package model
+
+import (
+	"errors"
+
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/common"
+	"gitea.tecamino.com/paadi/pdfmerge/internal/pdf/core"
+)
+
+func getNumberAsFloat(obj core.PdfObject) (float64, error) {
+	if fObj, ok := obj.(*core.PdfObjectFloat); ok {
+		return float64(*fObj), nil
+	}
+
+	if iObj, ok := obj.(*core.PdfObjectInteger); ok {
+		return float64(*iObj), nil
+	}
+
+	return 0, errors.New("not a number")
+}
+
+func isNullObject(obj core.PdfObject) bool {
+	if _, isNull := obj.(*core.PdfObjectNull); isNull {
+		return true
+	} else {
+		return false
+	}
+}
+
+// Convert a list of pdf objects representing floats or integers to a slice of float64 values.
+func getNumbersAsFloat(objects []core.PdfObject) ([]float64, error) {
+	floats := []float64{}
+	for _, obj := range objects {
+		val, err := getNumberAsFloat(obj)
+		if err != nil {
+			return nil, err
+		}
+		floats = append(floats, val)
+
+	}
+	return floats, nil
+}
+
+// Cases where expecting an integer, but some implementations actually
+// store the number in a floating point format.
+func getNumberAsInt64(obj core.PdfObject) (int64, error) {
+	if iObj, ok := obj.(*core.PdfObjectInteger); ok {
+		return int64(*iObj), nil
+	}
+
+	if fObj, ok := obj.(*core.PdfObjectFloat); ok {
+		common.Log.Debug("Number expected as integer was stored as float (type casting used)")
+		return int64(*fObj), nil
+	}
+
+	return 0, errors.New("not a number")
+}