From 742e27ad2f037205285e475be487ec9ed874ca91 Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@outlook.com>
Date: Tue, 8 Sep 2020 09:46:16 +0100
Subject: Remove unused Temporary namespace

- Remove unused temporary mapping generation at startup
---
 src/BlockState.cpp | 213 -----------------------------------------------------
 1 file changed, 213 deletions(-)
 delete mode 100644 src/BlockState.cpp

(limited to 'src/BlockState.cpp')

diff --git a/src/BlockState.cpp b/src/BlockState.cpp
deleted file mode 100644
index 8ee87c50f..000000000
--- a/src/BlockState.cpp
+++ /dev/null
@@ -1,213 +0,0 @@
-#include "Globals.h"
-#include "BlockState.h"
-
-
-
-
-
-BlockState::BlockState():
-	mChecksum(initializeChecksum())
-{
-	// Nothing needed yet
-}
-
-
-
-
-
-BlockState::BlockState(const AString & aKey, const AString & aValue):
-	mState({{aKey, aValue}}),
-	mChecksum(initializeChecksum())
-{
-}
-
-
-
-
-
-BlockState::BlockState(std::initializer_list<std::pair<const AString, AString>> aKeysAndValues):
-	mState(aKeysAndValues),
-	mChecksum(initializeChecksum())
-{
-}
-
-
-
-
-
-BlockState::BlockState(const std::map<AString, AString> & aKeysAndValues):
-	mState(aKeysAndValues),
-	mChecksum(initializeChecksum())
-{
-}
-
-
-
-
-
-BlockState::BlockState(std::map<AString, AString> && aKeysAndValues):
-	mState(std::move(aKeysAndValues)),
-	mChecksum(initializeChecksum())
-{
-}
-
-
-
-
-
-BlockState::BlockState(const BlockState & aCopyFrom, std::initializer_list<std::pair<const AString, AString>> aAdditionalKeysAndValues):
-	mState(aCopyFrom.mState)
-{
-	for (const auto & kav: aAdditionalKeysAndValues)
-	{
-		mState[kav.first] = kav.second;
-	}
-	mChecksum = initializeChecksum();
-}
-
-
-
-
-
-BlockState::BlockState(const BlockState & aCopyFrom, const std::map<AString, AString> & aAdditionalKeysAndValues):
-	mState(aCopyFrom.mState)
-{
-	for (const auto & kav: aAdditionalKeysAndValues)
-	{
-		mState[kav.first] = kav.second;
-	}
-	mChecksum = initializeChecksum();
-}
-
-
-
-
-
-bool BlockState::operator <(const BlockState & aOther) const
-{
-	// Fast-return this using checksum
-	if (mChecksum != aOther.mChecksum)
-	{
-		return (mChecksum < aOther.mChecksum);
-	}
-
-	// Can fast-return this due to how comparison works
-	if (mState.size() != aOther.mState.size())
-	{
-		return (mState.size() < aOther.mState.size());
-	}
-
-	auto itA = mState.begin();
-	auto itOther = aOther.mState.begin();
-
-	// don't need to check itOther, size checks above ensure size(A) == size(O)
-	while (itA != mState.end())
-	{
-		{
-			const auto cmp = itA->first.compare(itOther->first);
-			if (cmp != 0)
-			{
-				return (cmp < 0);
-			}
-		}
-		{
-			const auto cmp = itA->second.compare(itOther->second);
-			if (cmp != 0)
-			{
-				return (cmp < 0);
-			}
-		}
-
-		++itA;
-		++itOther;
-	}
-
-	return false;
-}
-
-
-
-
-
-bool BlockState::operator ==(const BlockState & aOther) const
-{
-	// Fast-fail if the checksums differ or differrent counts:
-	if ((mChecksum != aOther.mChecksum) || (mState.size() != aOther.mState.size()))
-	{
-		return false;
-	}
-
-	// Slow-check everything if the checksums match:
-	return std::equal(mState.begin(), mState.end(), aOther.mState.begin());
-}
-
-
-
-
-
-const AString & BlockState::value(const AString & aKey) const
-{
-	auto itr = mState.find(aKey);
-	if (itr == mState.end())
-	{
-		static AString empty;
-		return empty;
-	}
-	return itr->second;
-}
-
-
-
-
-
-UInt32 BlockState::initializeChecksum()
-{
-	removeEmptyKeys();
-
-	// Calculate the checksum as a XOR of all mState keys' and values' checksums
-	// This way we don't depend on the std::map's ordering
-	UInt32 res = 0;
-	for (const auto & kv: mState)
-	{
-		auto partial = partialChecksum(kv.first) ^ partialChecksum(kv.second);
-		res = res ^ partial;
-	}
-	return res;
-}
-
-
-
-
-
-void BlockState::removeEmptyKeys()
-{
-	for (auto itr = mState.begin(); itr != mState.end();)
-	{
-		if (itr->second.empty())
-		{
-			itr = mState.erase(itr);
-		}
-		else
-		{
-			++itr;
-		}
-	}
-}
-
-
-
-
-
-UInt32 BlockState::partialChecksum(const AString & aString)
-{
-	UInt32 shift = 0;
-	UInt32 res = 0;
-	for (auto ch: aString)
-	{
-		UInt32 v = static_cast<UInt8>(ch);
-		v = v << shift;
-		shift = (shift + 1) % 24;
-		res = res ^ v;
-	}
-	return res;
-}
-- 
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