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102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <AzCore/std/string/conversions.h>
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#include "UniqueStringContainer.h"
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namespace PhysX
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{
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void UniqueStringContainer::AddString(AZ::Crc32 stringGroupId
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, const AZStd::string& stringIn)
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{
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StringGroups::iterator stringGroupsIter = m_stringGroups.find(stringGroupId);
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if (stringGroupsIter == m_stringGroups.end())
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{
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m_stringGroups.emplace(stringGroupId, StringSet());
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}
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m_stringGroups[stringGroupId].insert(stringIn);
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}
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AZStd::string UniqueStringContainer::GetUniqueString(AZ::Crc32 stringGroupId
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, const AZStd::string& stringIn
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, AZ::u64 maxStringLength
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, const StringSet& forbiddenStrings) const
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{
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StringGroups::const_iterator stringGroupsIter = m_stringGroups.find(stringGroupId);
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// Group for string does not yet exist. It will be unique if a new group that contains only this string is added.
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// String is not any of the forbidden string values.
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if (stringGroupsIter == m_stringGroups.end()
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&& forbiddenStrings.find(stringIn) == forbiddenStrings.end()
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&& stringIn.length() != 0)
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{
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return stringIn;
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}
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AZStd::string stringOut;
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const StringSet& stringGroup = (stringGroupsIter == m_stringGroups.end())? StringSet():stringGroupsIter->second;
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// Attempts to append a post-fix value, e.g. "_1" etc., to the original string so it is unique.
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// A unique post-fix index can be found by iterating total number of invalid string plus 1.
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const size_t totalNumInvalidStrings = stringGroup.size() + forbiddenStrings.size() + 1;
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for (size_t nameIndex = 1; nameIndex <= totalNumInvalidStrings; ++nameIndex)
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{
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AZStd::string postFix;
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to_string(postFix, nameIndex);
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postFix = "_" + postFix;
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size_t trimLength = (stringIn.length() + postFix.length()) - maxStringLength;
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if (trimLength > 0)
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{
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stringOut = stringIn.substr(0, stringIn.length() - trimLength) + postFix;
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}
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else
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{
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stringOut = stringIn + postFix;
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}
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if (stringGroup.find(stringOut) == stringGroup.end()
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&& forbiddenStrings.find(stringOut) == forbiddenStrings.end())
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{
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break;
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}
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}
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return stringOut;
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}
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bool UniqueStringContainer::IsStringUnique(AZ::Crc32 stringGroupId
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, const AZStd::string& stringIn) const
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{
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StringGroups::const_iterator stringGroupsIter = m_stringGroups.find(stringGroupId);
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// String group does not yet exist. String would be unique if group is created for it.
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if (stringGroupsIter == m_stringGroups.end())
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{
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return true;
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}
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const StringSet& stringSet = stringGroupsIter->second;
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return stringSet.find(stringIn) == stringSet.end();
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}
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void UniqueStringContainer::RemoveString(AZ::Crc32 stringGroupId
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, const AZStd::string& stringIn)
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{
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StringGroups::iterator stringGroupsIter = m_stringGroups.find(stringGroupId);
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if (stringGroupsIter == m_stringGroups.end())
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{
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AZ_Warning("AzToolsFramework"
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, false
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, "Could not remove string %s from unrecognized group"
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, stringIn.c_str());
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return;
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}
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stringGroupsIter->second.erase(stringIn);
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}
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}
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