60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#include "knowledge_base.h"
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#include <iostream>
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const std::string obelisk::Sql::create_facts_table
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= "CREATE TABLE fact (id INT PRIMARY KEY NOT NULL);";
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obelisk::KnowledgeBase::KnowledgeBase(const char* filename)
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{
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KnowledgeBase(filename, DEFAULT_FLAGS);
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}
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obelisk::KnowledgeBase::KnowledgeBase(const char* filename, int flags)
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{
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filename_ = std::move(filename);
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flags_ = std::move(flags);
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auto result = sqlite3_open_v2(filename, &dbConnection_, flags, NULL);
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if (result != SQLITE_OK)
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{
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logSqliteError(result);
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}
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char* tmp;
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result = sqlite3_exec(dbConnection_,
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obelisk::Sql::create_facts_table.c_str(),
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NULL,
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NULL,
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&tmp);
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if (tmp)
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{
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std::string errmsg(tmp);
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throw obelisk::KnowledgeBaseException(errmsg);
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}
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}
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obelisk::KnowledgeBase::~KnowledgeBase()
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{
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sqlite3_close_v2(dbConnection_);
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}
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// TODO: log files?
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void obelisk::KnowledgeBase::logSqliteError(int result)
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{
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std::cout << sqlite3_errstr(result) << std::endl;
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}
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void obelisk::KnowledgeBase::getFloat(float* result1,
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float* result2,
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double var)
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{
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*result1 = (float) var;
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*result2 = (float) (var - (double) *result1);
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}
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void obelisk::KnowledgeBase::getDouble(double* result, float var1, float var2)
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{
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*result = (double) ((double) var2 + (double) var1);
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}
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