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123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/IO/FileIO.h>
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#include <AzCore/std/containers/vector.h>
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#include <AzCore/std/functional.h>
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#include <AzCore/std/string/string.h>
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#include <AzCore/std/string/string_view.h>
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#include <AzCore/XML/rapidxml.h>
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namespace Audio
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{
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/*!
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* FindFilesInPath
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*/
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static AZStd::vector<AZStd::string> FindFilesInPath(const AZStd::string_view folderPath, const char* filter)
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{
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AZStd::vector<AZStd::string> foundFiles;
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AZ::IO::FileIOBase::FindFilesCallbackType findFilesCallback = [&foundFiles](const char* file) -> bool
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{
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foundFiles.emplace_back(file);
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return true;
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};
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auto fileIO = AZ::IO::FileIOBase::GetInstance();
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if (fileIO)
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{
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AZ::IO::Result result = fileIO->FindFiles(folderPath.data(), filter, findFilesCallback);
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}
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return foundFiles;
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}
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/*!
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* ScopedXmlLoader
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* Create this object on the stack and it will load an xml file contents to an internal buffer
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* and allow you to get the first Xml node.
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*/
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class ScopedXmlLoader
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{
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public:
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ScopedXmlLoader(const AZStd::string_view filePath)
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{
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auto fileIO = AZ::IO::FileIOBase::GetInstance();
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AZ_Assert(fileIO != nullptr, "Audio::ScopedXmlLoader - FileIOBase instance is null!");
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AZ::IO::HandleType fileHandle = AZ::IO::InvalidHandle;
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AZ::IO::Result result = fileIO->Open(filePath.data(), AZ::IO::OpenMode::ModeRead | AZ::IO::OpenMode::ModeText, fileHandle);
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if (!result)
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{
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m_hasError = true;
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}
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if (!m_hasError)
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{
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result = fileIO->Size(fileHandle, m_fileSize);
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if (!result)
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{
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m_hasError = true;
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}
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}
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if (!m_hasError)
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{
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m_fileBuffer.resize_no_construct(m_fileSize + 1);
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m_fileBuffer[m_fileSize] = '\0';
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result = fileIO->Read(fileHandle, m_fileBuffer.data(), m_fileSize);
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if (!result)
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{
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m_hasError = true;
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}
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}
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if (!m_hasError)
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{
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if (!m_xmlDoc.parse<AZ::rapidxml::parse_no_data_nodes>(m_fileBuffer.data()))
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{
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m_hasError = true;
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}
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}
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fileIO->Close(fileHandle);
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}
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~ScopedXmlLoader()
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{
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}
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bool HasError() const
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{
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return m_hasError;
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}
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const AZ::rapidxml::xml_node<char>* GetRootNode() const
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{
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if (!HasError())
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{
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return m_xmlDoc.first_node();
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}
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return nullptr;
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}
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private:
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AZStd::vector<char> m_fileBuffer;
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AZ::rapidxml::xml_document<char> m_xmlDoc;
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AZ::u64 m_fileSize = 0;
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bool m_hasError = false;
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};
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} // namespace Audio
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