52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package hclhil
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
"github.com/apparentlymart/go-zcl/zcl"
|
|
)
|
|
|
|
// Parse attempts to parse the given buffer as HCL with HIL expressions and,
|
|
// if successful, returns a zcl.File for the zcl configuration represented by
|
|
// it.
|
|
//
|
|
// The returned file is valid only if the returned diagnostics returns false
|
|
// from its HasErrors method. If HasErrors returns true, the file represents
|
|
// the subset of data that was able to be parsed, which may be none.
|
|
func Parse(src []byte, filename string) (*zcl.File, zcl.Diagnostics) {
|
|
return parse(src, filename)
|
|
}
|
|
|
|
// ParseFile is a convenience wrapper around Parse that first attempts to load
|
|
// data from the given filename, passing the result to Parse if successful.
|
|
//
|
|
// If the file cannot be read, an error diagnostic with nil context is returned.
|
|
func ParseFile(filename string) (*zcl.File, zcl.Diagnostics) {
|
|
f, err := os.Open(filename)
|
|
if err != nil {
|
|
return nil, zcl.Diagnostics{
|
|
{
|
|
Severity: zcl.DiagError,
|
|
Summary: "Failed to open file",
|
|
Detail: fmt.Sprintf("The file %q could not be opened.", filename),
|
|
},
|
|
}
|
|
}
|
|
defer f.Close()
|
|
|
|
src, err := ioutil.ReadAll(f)
|
|
if err != nil {
|
|
return nil, zcl.Diagnostics{
|
|
{
|
|
Severity: zcl.DiagError,
|
|
Summary: "Failed to read file",
|
|
Detail: fmt.Sprintf("The file %q was opened, but an error occured while reading it.", filename),
|
|
},
|
|
}
|
|
}
|
|
|
|
return Parse(src, filename)
|
|
}
|