98 lines
1.8 KiB
Go
98 lines
1.8 KiB
Go
package envpath
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import (
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"fmt"
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"strings"
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)
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type Warning struct {
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LineNumber int
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Line string
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Message string
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}
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// Parse will return a list of paths from an export file
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func Parse(b []byte, envname string) ([]string, []Warning) {
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s := string(b)
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s = strings.Replace(s, "\r\n", "\n", -1)
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badlines := []Warning{}
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newlines := []string{}
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entries := make(map[string]bool)
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lines := strings.Split(s, "\n")
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for i := range lines {
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line := strings.TrimPrefix(strings.TrimSpace(lines[i]), "export ")
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if "" == line {
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continue
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}
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if "# Generated for envman. Do not edit." == line {
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continue
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}
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if '#' == line[0] {
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badlines = append(badlines, Warning{
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LineNumber: i,
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Line: line,
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Message: "comment",
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})
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continue
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}
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index := strings.Index(line, "=")
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if index < 1 {
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badlines = append(badlines, Warning{
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LineNumber: i,
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Line: line,
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Message: "invalid assignment",
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})
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continue
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}
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env := line[:index]
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if env != envname {
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badlines = append(badlines, Warning{
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LineNumber: i,
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Line: line,
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Message: fmt.Sprintf("wrong name (%s != %s)", env, envname),
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})
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continue
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}
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val := line[index+1:]
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if len(val) < 2 || '"' != val[0] || '"' != val[len(val)-1] {
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badlines = append(badlines, Warning{
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LineNumber: i,
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Line: line,
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Message: "value not quoted",
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})
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continue
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}
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val = val[1 : len(val)-1]
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if strings.Contains(val, `"`) {
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badlines = append(badlines, Warning{
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LineNumber: i,
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Line: line,
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Message: "invalid quotes",
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})
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continue
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}
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// TODO normalize $HOME
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if entries[val] {
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badlines = append(badlines, Warning{
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LineNumber: i,
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Line: line,
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Message: "duplicate entry",
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})
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continue
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}
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entries[val] = true
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newlines = append(newlines, val)
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}
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return newlines, badlines
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}
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