108 lines
2.2 KiB
Go
Executable File
108 lines
2.2 KiB
Go
Executable File
package common
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"os"
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"regexp"
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"sort"
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"strings"
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)
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// ParseVMX parses the keys and values from a VMX file and returns
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// them as a Go map.
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func ParseVMX(contents string) map[string]string {
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results := make(map[string]string)
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lineRe := regexp.MustCompile(`^(.+?)\s*=\s*"?(.*?)"?\s*$`)
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for _, line := range strings.Split(contents, "\n") {
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matches := lineRe.FindStringSubmatch(line)
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if matches == nil {
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continue
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}
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key := strings.ToLower(matches[1])
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results[key] = matches[2]
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}
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return results
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}
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// EncodeVMX takes a map and turns it into valid VMX contents.
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func EncodeVMX(contents map[string]string) string {
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var buf bytes.Buffer
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i := 0
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keys := make([]string, len(contents))
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for k := range contents {
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keys[i] = k
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i++
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}
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// a list of VMX key fragments that the value must not be quoted
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// fragments are used to cover multliples (i.e. multiple disks)
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// keys are still lowercase at this point, use lower fragments
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noQuotes := []string{
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".virtualssd",
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}
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// a list of VMX key fragments that are case sensitive
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// fragments are used to cover multliples (i.e. multiple disks)
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caseSensitive := []string{
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".virtualSSD",
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}
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sort.Strings(keys)
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for _, k := range keys {
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pat := "%s = \"%s\"\n"
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// items with no quotes
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for _, q := range noQuotes {
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if strings.Contains(k, q) {
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pat = "%s = %s\n"
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break
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}
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}
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key := k
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// case sensitive key fragments
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for _, c := range caseSensitive {
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key = strings.Replace(key, strings.ToLower(c), c, 1)
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}
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buf.WriteString(fmt.Sprintf(pat, key, contents[k]))
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}
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return buf.String()
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}
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// WriteVMX takes a path to a VMX file and contents in the form of a
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// map and writes it out.
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func WriteVMX(path string, data map[string]string) (err error) {
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log.Printf("Writing VMX to: %s", path)
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f, err := os.Create(path)
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if err != nil {
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return
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}
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defer f.Close()
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var buf bytes.Buffer
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buf.WriteString(EncodeVMX(data))
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if _, err = io.Copy(f, &buf); err != nil {
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return
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}
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return
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}
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// ReadVMX takes a path to a VMX file and reads it into a k/v mapping.
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func ReadVMX(path string) (map[string]string, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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return ParseVMX(string(data)), nil
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}
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