6c4344623b
The main HCL package is more visible this way, and so it's easier than having to pick it out from dozens of other package directories.
94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package hclwrite_test
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/hashicorp/hcl/v2"
|
|
"github.com/hashicorp/hcl/v2/hclwrite"
|
|
"github.com/zclconf/go-cty/cty"
|
|
)
|
|
|
|
func Example_generateFromScratch() {
|
|
f := hclwrite.NewEmptyFile()
|
|
rootBody := f.Body()
|
|
rootBody.SetAttributeValue("string", cty.StringVal("bar")) // this is overwritten later
|
|
rootBody.AppendNewline()
|
|
rootBody.SetAttributeValue("object", cty.ObjectVal(map[string]cty.Value{
|
|
"foo": cty.StringVal("foo"),
|
|
"bar": cty.NumberIntVal(5),
|
|
"baz": cty.True,
|
|
}))
|
|
rootBody.SetAttributeValue("string", cty.StringVal("foo"))
|
|
rootBody.SetAttributeValue("bool", cty.False)
|
|
rootBody.SetAttributeTraversal("path", hcl.Traversal{
|
|
hcl.TraverseRoot{
|
|
Name: "env",
|
|
},
|
|
hcl.TraverseAttr{
|
|
Name: "PATH",
|
|
},
|
|
})
|
|
rootBody.AppendNewline()
|
|
fooBlock := rootBody.AppendNewBlock("foo", nil)
|
|
fooBody := fooBlock.Body()
|
|
rootBody.AppendNewBlock("empty", nil)
|
|
rootBody.AppendNewline()
|
|
barBlock := rootBody.AppendNewBlock("bar", []string{"a", "b"})
|
|
barBody := barBlock.Body()
|
|
|
|
fooBody.SetAttributeValue("hello", cty.StringVal("world"))
|
|
|
|
bazBlock := barBody.AppendNewBlock("baz", nil)
|
|
bazBody := bazBlock.Body()
|
|
bazBody.SetAttributeValue("foo", cty.NumberIntVal(10))
|
|
bazBody.SetAttributeValue("beep", cty.StringVal("boop"))
|
|
bazBody.SetAttributeValue("baz", cty.ListValEmpty(cty.String))
|
|
|
|
fmt.Printf("%s", f.Bytes())
|
|
// Output:
|
|
// string = "foo"
|
|
//
|
|
// object = { bar = 5, baz = true, foo = "foo" }
|
|
// bool = false
|
|
// path = env.PATH
|
|
//
|
|
// foo {
|
|
// hello = "world"
|
|
// }
|
|
// empty {
|
|
// }
|
|
//
|
|
// bar "a" "b" {
|
|
// baz {
|
|
// foo = 10
|
|
// beep = "boop"
|
|
// baz = []
|
|
// }
|
|
// }
|
|
}
|
|
|
|
func ExampleExpression_RenameVariablePrefix() {
|
|
src := []byte(
|
|
"foo = a.x + a.y * b.c\n" +
|
|
"bar = max(a.z, b.c)\n",
|
|
)
|
|
f, diags := hclwrite.ParseConfig(src, "", hcl.Pos{Line: 1, Column: 1})
|
|
if diags.HasErrors() {
|
|
fmt.Printf("errors: %s", diags)
|
|
return
|
|
}
|
|
|
|
// Rename references of variable "a" to "z"
|
|
for _, attr := range f.Body().Attributes() {
|
|
attr.Expr().RenameVariablePrefix(
|
|
[]string{"a"},
|
|
[]string{"z"},
|
|
)
|
|
}
|
|
|
|
fmt.Printf("%s", f.Bytes())
|
|
// Output:
|
|
// foo = z.x + z.y * b.c
|
|
// bar = max(z.z, b.c)
|
|
}
|