Method searchAnyMethod

router.go:210–253

searchAnyMethod matches any registered method for OPTIONS/CORS fallback.

(path string, captured []string)

// searchAnyMethod matches any registered method for OPTIONS/CORS fallback.
func (n *node) searchAnyMethod(path string, captured []string) ([]Handler, map[string]string, bool) {
	if path == "" {
		for _, h := range n.handlers {
			return h, buildParams(n.paramNames, captured), true
		}
		return nil, nil, false
	}

	seg, rest := nextSegment(path)
	if seg == "" {
		return nil, nil, false
	}

	firstByte := seg[0]

	if n.children != nil {
		if child, ok := n.children[firstByte]; ok && strings.HasPrefix(seg, child.path) {
			remainder := seg[len(child.path):]
			if remainder == "" {
				if h, pm, found := child.searchAnyMethod(rest, captured); found {
					return h, pm, true
				}
			} else {
				if h, pm, found := child.searchAnyMethod(remainder+segSep(rest), captured); found {
					return h, pm, true
				}
			}
		}
	}

	if n.paramChild != nil && len(seg) > 0 {
		if h, pm, found := n.paramChild.searchAnyMethod(rest, append(captured, seg)); found {
			return h, pm, true
		}
	}

	if n.wildcard != nil {
		for _, h := range n.wildcard.handlers {
			return h, buildParams(n.wildcard.paramNames, append(captured, path)), true
		}
	}

	return nil, nil, false
}

// nextSegment splits path at the first '/' returning (segment, remainder).
// The leading '/' in remainder is consumed.