1 files changed, 45 insertions, 0 deletions
diff --git a/psr7/post.go b/psr7/post.go
new file mode 100644
index 00000000..30af7e3a
--- /dev/null
+++ b/psr7/post.go
@@ -0,0 +1,45 @@
+package psr7
+
+import "strings"
+
+type postData map[string]interface{}
+
+func (d postData) push(k string, v []string) {
+	if len(v) == 0 {
+		// doing nothing
+		return
+	}
+
+	chunks := make([]string, 0)
+	for _, chunk := range strings.Split(k, "[") {
+		chunks = append(chunks, strings.Trim(chunk, "]"))
+	}
+
+	d.pushChunk(chunks, v)
+}
+
+func (d postData) pushChunk(k []string, v []string) {
+	if len(v) == 0 || v[0] == "" {
+		return
+	}
+
+	head := k[0]
+	tail := k[1:]
+	if len(k) == 1 {
+		d[head] = v[0]
+		return
+	}
+
+	// unnamed array
+	if len(tail) == 1 && tail[0] == "" {
+		d[head] = v
+		return
+	}
+
+	if p, ok := d[head]; !ok {
+		d[head] = make(postData)
+		d[head].(postData).pushChunk(tail, v)
+	} else {
+		p.(postData).pushChunk(tail, v)
+	}
+}