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Another xml example

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This commit is contained in:
Mike Farah
2023-09-01 11:52:58 +10:00
parent 55c0d485ba
commit e5564c18fe
2 changed files with 43 additions and 18 deletions
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pkg/yqlib/doc/usage/xml.md
+31 -13
View File
@@ -53,7 +53,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml '.' sample.xml
yq -oy '.' sample.xml
```
will output
```yaml
@@ -78,7 +78,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml ' (.. | select(tag == "!!str")) |= from_yaml' sample.xml
yq -oy ' (.. | select(tag == "!!str")) |= from_yaml' sample.xml
```
will output
```yaml
@@ -100,7 +100,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml '.' sample.xml
yq -oy '.' sample.xml
```
will output
```yaml
@@ -110,6 +110,24 @@ animal:
- goat
```
## Parse xml: force as an array
In XML, if your array has a single item, then yq doesn't know its an array. This is how you can consistently force it to be an array. This handles the 3 scenarios of having nothing in the array, having a single item and having multiple.
Given a sample.xml file of:
```xml
<zoo><animal>cat</animal></zoo>
```
then
```bash
yq -oy '.zoo.animal |= ([] + .)' sample.xml
```
will output
```yaml
zoo:
animal:
- cat
```
## Parse xml: attributes
Attributes are converted to fields, with the default attribute prefix '+'. Use '--xml-attribute-prefix` to set your own.
@@ -122,7 +140,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml '.' sample.xml
yq -oy '.' sample.xml
```
will output
```yaml
@@ -142,7 +160,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml '.' sample.xml
yq -oy '.' sample.xml
```
will output
```yaml
@@ -161,7 +179,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml '.' sample.xml
yq -oy '.' sample.xml
```
will output
```yaml
@@ -190,7 +208,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml -o=xml '.' sample.xml
yq '.' sample.xml
```
will output
```xml
@@ -221,7 +239,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml -o=xml --xml-skip-directives '.' sample.xml
yq --xml-skip-directives '.' sample.xml
```
will output
```xml
@@ -257,7 +275,7 @@ for x --></x>
```
then
```bash
yq -p=xml '.' sample.xml
yq -oy '.' sample.xml
```
will output
```yaml
@@ -289,7 +307,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml -o=xml --xml-keep-namespace=false '.' sample.xml
yq --xml-keep-namespace=false '.' sample.xml
```
will output
```xml
@@ -314,7 +332,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml -o=xml --xml-raw-token=false '.' sample.xml
yq --xml-raw-token=false '.' sample.xml
```
will output
```xml
@@ -489,7 +507,7 @@ for x --></x>
```
then
```bash
yq -p=xml -o=xml '.' sample.xml
yq '.' sample.xml
```
will output
```xml
@@ -522,7 +540,7 @@ Given a sample.xml file of:
```
then
```bash
yq -p=xml -o=xml '.' sample.xml
yq '.' sample.xml
```
will output
```xml
pkg/yqlib/xml_test.go
+12 -5
View File
@@ -356,6 +356,13 @@ var xmlScenarios = []formatScenario{
input: "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<animal>cat</animal>\n<animal>goat</animal>",
expected: "+p_xml: version=\"1.0\" encoding=\"UTF-8\"\nanimal:\n - cat\n - goat\n",
},
{
description: "Parse xml: force as an array",
subdescription: "In XML, if your array has a single item, then yq doesn't know its an array. This is how you can consistently force it to be an array. This handles the 3 scenarios of having nothing in the array, having a single item and having multiple.",
input: "<zoo><animal>cat</animal></zoo>",
expression: ".zoo.animal |= ([] + .)",
expected: "zoo:\n animal:\n - cat\n",
},
{
description: "Parse xml: attributes",
subdescription: "Attributes are converted to fields, with the default attribute prefix '+'. Use '--xml-attribute-prefix` to set your own.",
@@ -687,7 +694,7 @@ func documentXMLDecodeScenario(w *bufio.Writer, s formatScenario) {
if expression == "" {
expression = "."
}
writeOrPanic(w, fmt.Sprintf("```bash\nyq -p=xml '%v' sample.xml\n```\n", expression))
writeOrPanic(w, fmt.Sprintf("```bash\nyq -oy '%v' sample.xml\n```\n", expression))
writeOrPanic(w, "will output\n")
writeOrPanic(w, fmt.Sprintf("```yaml\n%v```\n\n", mustProcessFormatScenario(s, NewXMLDecoder(ConfiguredXMLPreferences), NewYamlEncoder(2, false, ConfiguredYamlPreferences))))
@@ -705,7 +712,7 @@ func documentXMLDecodeKeepNsScenario(w *bufio.Writer, s formatScenario) {
writeOrPanic(w, fmt.Sprintf("```xml\n%v\n```\n", s.input))
writeOrPanic(w, "then\n")
writeOrPanic(w, "```bash\nyq -p=xml -o=xml --xml-keep-namespace=false '.' sample.xml\n```\n")
writeOrPanic(w, "```bash\nyq --xml-keep-namespace=false '.' sample.xml\n```\n")
writeOrPanic(w, "will output\n")
prefs := NewDefaultXmlPreferences()
prefs.KeepNamespace = false
@@ -729,7 +736,7 @@ func documentXMLDecodeKeepNsRawTokenScenario(w *bufio.Writer, s formatScenario)
writeOrPanic(w, fmt.Sprintf("```xml\n%v\n```\n", s.input))
writeOrPanic(w, "then\n")
writeOrPanic(w, "```bash\nyq -p=xml -o=xml --xml-raw-token=false '.' sample.xml\n```\n")
writeOrPanic(w, "```bash\nyq --xml-raw-token=false '.' sample.xml\n```\n")
writeOrPanic(w, "will output\n")
prefs := NewDefaultXmlPreferences()
@@ -774,7 +781,7 @@ func documentXMLRoundTripScenario(w *bufio.Writer, s formatScenario) {
writeOrPanic(w, fmt.Sprintf("```xml\n%v\n```\n", s.input))
writeOrPanic(w, "then\n")
writeOrPanic(w, "```bash\nyq -p=xml -o=xml '.' sample.xml\n```\n")
writeOrPanic(w, "```bash\nyq '.' sample.xml\n```\n")
writeOrPanic(w, "will output\n")
writeOrPanic(w, fmt.Sprintf("```xml\n%v```\n\n", mustProcessFormatScenario(s, NewXMLDecoder(ConfiguredXMLPreferences), NewXMLEncoder(2, ConfiguredXMLPreferences))))
@@ -792,7 +799,7 @@ func documentXMLSkipDirectrivesScenario(w *bufio.Writer, s formatScenario) {
writeOrPanic(w, fmt.Sprintf("```xml\n%v\n```\n", s.input))
writeOrPanic(w, "then\n")
writeOrPanic(w, "```bash\nyq -p=xml -o=xml --xml-skip-directives '.' sample.xml\n```\n")
writeOrPanic(w, "```bash\nyq --xml-skip-directives '.' sample.xml\n```\n")
writeOrPanic(w, "will output\n")
prefs := NewDefaultXmlPreferences()
prefs.SkipDirectives = true