diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/encoding/xml/example_text_marshaling_test.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/encoding/xml/example_text_marshaling_test.go')
-rw-r--r-- | src/encoding/xml/example_text_marshaling_test.go | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/encoding/xml/example_text_marshaling_test.go b/src/encoding/xml/example_text_marshaling_test.go new file mode 100644 index 0000000..2549cb1 --- /dev/null +++ b/src/encoding/xml/example_text_marshaling_test.go @@ -0,0 +1,79 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xml_test + +import ( + "encoding/xml" + "fmt" + "log" + "strings" +) + +type Size int + +const ( + Unrecognized Size = iota + Small + Large +) + +func (s *Size) UnmarshalText(text []byte) error { + switch strings.ToLower(string(text)) { + default: + *s = Unrecognized + case "small": + *s = Small + case "large": + *s = Large + } + return nil +} + +func (s Size) MarshalText() ([]byte, error) { + var name string + switch s { + default: + name = "unrecognized" + case Small: + name = "small" + case Large: + name = "large" + } + return []byte(name), nil +} + +func Example_textMarshalXML() { + blob := ` + <sizes> + <size>small</size> + <size>regular</size> + <size>large</size> + <size>unrecognized</size> + <size>small</size> + <size>normal</size> + <size>small</size> + <size>large</size> + </sizes>` + var inventory struct { + Sizes []Size `xml:"size"` + } + if err := xml.Unmarshal([]byte(blob), &inventory); err != nil { + log.Fatal(err) + } + + counts := make(map[Size]int) + for _, size := range inventory.Sizes { + counts[size] += 1 + } + + fmt.Printf("Inventory Counts:\n* Small: %d\n* Large: %d\n* Unrecognized: %d\n", + counts[Small], counts[Large], counts[Unrecognized]) + + // Output: + // Inventory Counts: + // * Small: 3 + // * Large: 2 + // * Unrecognized: 3 +} |