54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
// Copyright (C) 2016 Kohei YOSHIDA. All rights reserved.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of The BSD 3-Clause License
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// that can be found in the LICENSE file.
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package uritemplate
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type CompareFlags uint8
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const (
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CompareVarname CompareFlags = 1 << iota
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)
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// Equals reports whether or not two URI Templates t1 and t2 are equivalent.
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func Equals(t1 *Template, t2 *Template, flags CompareFlags) bool {
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if len(t1.exprs) != len(t2.exprs) {
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return false
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}
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for i := 0; i < len(t1.exprs); i++ {
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switch t1 := t1.exprs[i].(type) {
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case literals:
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t2, ok := t2.exprs[i].(literals)
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if !ok {
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return false
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}
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if t1 != t2 {
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return false
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}
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case *expression:
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t2, ok := t2.exprs[i].(*expression)
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if !ok {
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return false
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}
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if t1.op != t2.op || len(t1.vars) != len(t2.vars) {
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return false
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}
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for n := 0; n < len(t1.vars); n++ {
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v1 := t1.vars[n]
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v2 := t2.vars[n]
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if flags&CompareVarname == CompareVarname && v1.name != v2.name {
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return false
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}
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if v1.maxlen != v2.maxlen || v1.explode != v2.explode {
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return false
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}
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}
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default:
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panic("unhandled case")
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}
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}
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return true
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}
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