38 lines
648 B
Go
38 lines
648 B
Go
package jsonpointer
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import (
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"strconv"
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"strings"
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)
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// Get the value at the specified path.
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func Get(m map[string]interface{}, path string) interface{} {
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if path == "" {
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return m
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}
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parts := strings.Split(path[1:], "/")
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var rv interface{} = m
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for _, p := range parts {
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switch v := rv.(type) {
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case map[string]interface{}:
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if strings.Contains(p, "~") {
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p = strings.Replace(p, "~1", "/", -1)
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p = strings.Replace(p, "~0", "~", -1)
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}
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rv = v[p]
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case []interface{}:
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i, err := strconv.Atoi(p)
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if err == nil && i < len(v) {
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rv = v[i]
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} else {
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return nil
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}
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default:
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return nil
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}
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}
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return rv
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}
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