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TileGenerator: free database resources (#38)

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Destructor of DB* instance was never called.
Ensure it is, adding missing base class virtual destructor and calling delete when possible to free resources.
This commit is contained in:
Nestorfish 2016-10-13 23:26:59 +02:00 committed by sfan5
parent d83f0d9e8d
commit 26b62933ed
6 changed files with 15 additions and 4 deletions
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11
TileGenerator.cpp
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@ -110,7 +110,8 @@ TileGenerator::TileGenerator():
m_shading(true), m_shading(true),
m_backend(""), m_backend(""),
m_border(0), m_border(0),
m_image(0), m_db(NULL),
m_image(NULL),
m_xMin(INT_MAX), m_xMin(INT_MAX),
m_xMax(INT_MIN), m_xMax(INT_MIN),
m_zMin(INT_MAX), m_zMin(INT_MAX),
@ -127,6 +128,7 @@ TileGenerator::TileGenerator():
TileGenerator::~TileGenerator() TileGenerator::~TileGenerator()
{ {
closeDatabase();
} }
void TileGenerator::setBgColor(const std::string &bgColor) void TileGenerator::setBgColor(const std::string &bgColor)
@ -246,6 +248,7 @@ void TileGenerator::generate(const std::string &input, const std::string &output
loadBlocks(); loadBlocks();
createImage(); createImage();
renderMap(); renderMap();
closeDatabase();
if (m_drawScale) { if (m_drawScale) {
renderScale(); renderScale();
} }
@ -314,6 +317,12 @@ void TileGenerator::openDb(const std::string &input)
throw std::runtime_error(((std::string) "Unknown map backend: ") + backend); throw std::runtime_error(((std::string) "Unknown map backend: ") + backend);
} }
void TileGenerator::closeDatabase()
{
delete m_db;
m_db = NULL;
}
void TileGenerator::loadBlocks() void TileGenerator::loadBlocks()
{ {
std::vector<BlockPos> vec = m_db->getBlockPos(); std::vector<BlockPos> vec = m_db->getBlockPos();

1
TileGenerator.h
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@ -76,6 +76,7 @@ public:
private: private:
void parseColorsStream(std::istream &in); void parseColorsStream(std::istream &in);
void openDb(const std::string &input); void openDb(const std::string &input);
void closeDatabase();
void loadBlocks(); void loadBlocks();
void createImage(); void createImage();
void renderMap(); void renderMap();

2
db-leveldb.h
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@ -9,7 +9,7 @@ public:
DBLevelDB(const std::string &mapdir); DBLevelDB(const std::string &mapdir);
virtual std::vector<BlockPos> getBlockPos(); virtual std::vector<BlockPos> getBlockPos();
virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos); virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos);
~DBLevelDB(); virtual ~DBLevelDB();
private: private:
void loadPosCache(); void loadPosCache();

2
db-redis.h
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@ -9,7 +9,7 @@ public:
DBRedis(const std::string &mapdir); DBRedis(const std::string &mapdir);
virtual std::vector<BlockPos> getBlockPos(); virtual std::vector<BlockPos> getBlockPos();
virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos); virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos);
~DBRedis(); virtual ~DBRedis();
private: private:
void loadPosCache(); void loadPosCache();

2
db-sqlite3.h
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@ -9,7 +9,7 @@ public:
DBSQLite3(const std::string &mapdir); DBSQLite3(const std::string &mapdir);
virtual std::vector<BlockPos> getBlockPos(); virtual std::vector<BlockPos> getBlockPos();
virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos); virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos);
~DBSQLite3(); virtual ~DBSQLite3();
private: private:
sqlite3 *db; sqlite3 *db;

1
db.h
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@ -55,6 +55,7 @@ protected:
public: public:
virtual std::vector<BlockPos> getBlockPos() = 0; virtual std::vector<BlockPos> getBlockPos() = 0;
virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos) = 0; virtual void getBlocksOnZ(std::map<int16_t, BlockList> &blocks, int16_t zPos) = 0;
virtual ~DB() {};
}; };