blob: 22da01c6f5a32ba10c7e415c6816e956b738066c [file] [log] [blame] [edit]
// Copyright 2020 The Fuchsia Authors
//
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT
#include <lib/devicetree/devicetree.h>
#include <lib/devicetree/matcher.h>
#include <stdio.h>
#include <zircon/compiler.h>
#include <string_view>
#include "lib/devicetree/internal/matcher.h"
namespace devicetree::internal {
namespace {
constexpr std::string_view kAliasNode = "/aliases";
}
ScanState AliasMatcher::OnNode(const NodePath& path, const PropertyDecoder& decoder) {
switch (path.CompareWith(kAliasNode)) {
case NodePath::Comparison::kParent:
case NodePath::Comparison::kIndirectAncestor:
return ScanState::kActive;
case NodePath::Comparison::kEqual:
return ScanState::kDone;
case NodePath::Comparison::kMismatch:
case NodePath::Comparison::kChild:
case NodePath::Comparison::kIndirectDescendent:
return ScanState::kDoneWithSubtree;
}
__UNREACHABLE;
}
ScanState AliasMatcher::OnSubtree(const NodePath& path) { return ScanState::kActive; }
ScanState AliasMatcher::OnScan() { return ScanState::kDone; }
void AliasMatcher::OnError(std::string_view err) {
printf("%.*s\n", static_cast<int>(err.length()), err.data());
}
} // namespace devicetree::internal