accept spaces in mbtiles comma-separated numbers [#210] (#211)

* accept spaces in mbtiles comma-separated numbers [#210]

Author: bdon

pmtiles/convert.go

@@ -526,19 +526,19 @@ func v2ToHeaderJSON(v2JsonMetadata map[string]interface{}, first4 []byte) (Heade
 func parseBounds(bounds string) (int32, int32, int32, int32, error) {
 	parts := strings.Split(bounds, ",")
 	E7 := 10000000.0
-	minLon, err := strconv.ParseFloat(parts[0], 64)
+	minLon, err := strconv.ParseFloat(strings.TrimSpace(parts[0]), 64)
 	if err != nil {
 		return 0, 0, 0, 0, err
 	}
-	minLat, err := strconv.ParseFloat(parts[1], 64)
+	minLat, err := strconv.ParseFloat(strings.TrimSpace(parts[1]), 64)
 	if err != nil {
 		return 0, 0, 0, 0, err
 	}
-	maxLon, err := strconv.ParseFloat(parts[2], 64)
+	maxLon, err := strconv.ParseFloat(strings.TrimSpace(parts[2]), 64)
 	if err != nil {
 		return 0, 0, 0, 0, err
 	}
-	maxLat, err := strconv.ParseFloat(parts[3], 64)
+	maxLat, err := strconv.ParseFloat(strings.TrimSpace(parts[3]), 64)
 	if err != nil {
 		return 0, 0, 0, 0, err
 	}
@@ -548,15 +548,15 @@ func parseBounds(bounds string) (int32, int32, int32, int32, error) {
 func parseCenter(center string) (int32, int32, uint8, error) {
 	parts := strings.Split(center, ",")
 	E7 := 10000000.0
-	centerLon, err := strconv.ParseFloat(parts[0], 64)
+	centerLon, err := strconv.ParseFloat(strings.TrimSpace(parts[0]), 64)
 	if err != nil {
 		return 0, 0, 0, err
 	}
-	centerLat, err := strconv.ParseFloat(parts[1], 64)
+	centerLat, err := strconv.ParseFloat(strings.TrimSpace(parts[1]), 64)
 	if err != nil {
 		return 0, 0, 0, err
 	}
-	centerZoom, err := strconv.ParseInt(parts[2], 10, 8)
+	centerZoom, err := strconv.ParseInt(strings.TrimSpace(parts[2]), 10, 8)
 	if err != nil {
 		return 0, 0, 0, err
 	}

pmtiles/convert_test.go

@@ -215,3 +215,24 @@ func TestMbtilesDegenerateBounds(t *testing.T) {
 	})
 	assert.NotNil(t, err)
 }
+
+func TestMbtilesCoordinatesHasSpace(t *testing.T) {
+	header, _, err := mbtilesToHeaderJSON([]string{
+		"name", "test_name",
+		"format", "pbf",
+		"bounds", " -180.0, -85, 180, 85",
+		"center", " -122.1906, 37.7599, 11",
+		"attribution", "<div>abc</div>",
+		"description", "a description",
+		"type", "overlay",
+		"version", "1",
+		"compression", "gzip",
+	})
+	assert.Nil(t, err)
+	assert.Equal(t, int32(-180*10000000), header.MinLonE7)
+	assert.Equal(t, int32(-85*10000000), header.MinLatE7)
+	assert.Equal(t, int32(180*10000000), header.MaxLonE7)
+	assert.Equal(t, int32(85*10000000), header.MaxLatE7)
+	assert.Equal(t, int32(-122.1906*10000000), header.CenterLonE7)
+	assert.Equal(t, int32(37.7599*10000000), header.CenterLatE7)
+}