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#include <stdio.h>
#include <Windows.h>
#include <cstring>
#include "Leaf.h"
using namespace Leaf;
Record::Record()
{
}
Record::~Record()
{
/* Free the columns */
for (unsigned int i = 0; i < columns.size(); i++)
{
if (columns[i] != NULL)
delete columns[i];
}
}
Records::Records()
{
this->nextIndex = 0;
}
Records::~Records()
{
/* Free the records */
for (unsigned int i = 0; i < record.size(); i++)
{
if (record[i] != NULL)
delete record[i];
}
}
void Records::free()
{
delete this;
}
Record* Records::next()
{
Record* r = NULL;
if(this->moreRecordsAvailable())
{
r = this->record[nextIndex];
nextIndex++;
}
return r;
}
Record* Records::getRecord(unsigned int recordIndex)
{
if (record.size() > recordIndex)
return this->record[recordIndex];
return NULL;
}
int Records::numOfRecords()
{
return record.size();
}
unsigned int Records::curIndex()
{
return this->nextIndex - 1;
}
bool Records::moreRecordsAvailable()
{
if(this->nextIndex < record.size())
{
return true;
}
return false;
}
Column* Record::getColumn(std::string colName)
{
for (unsigned int i = 0; i < columns.size(); i++)
{
if (columns[i] != NULL)
{
if (columns[i]->colName == colName)
return columns[i];
}
}
return NULL;
}
LeafDatabase::LeafDatabase()
{
zErrMsg = 0;
}
LeafDatabase::~LeafDatabase()
{
}
bool LeafDatabase::open(const char* filename)
{
rc = sqlite3_open(filename, &db);
if ( rc )
{
strcpy(zErrMsg, sqlite3_errmsg(db));
return false;
}
return true;
}
bool LeafDatabase::execute(const char* query)
{
rc = sqlite3_exec(db, query, NULL, NULL, &zErrMsg);
if (rc != SQLITE_OK)
{
fprintf(stderr, "SQL error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
return false;
}
return true;
}
unsigned int LeafDatabase::getInt(const char* query, int column)
{
if (sqlite3_prepare_v2(db, query, -1, &stmt, 0) == SQLITE_OK)
{
if (sqlite3_step(stmt) == SQLITE_ERROR)
printf("SQL ERROR %s\n", query);
else
return sqlite3_column_int(stmt, column);
}
else
printf("SQL ERROR %s\n", query);
sqlite3_finalize(stmt);
return 0;
}
unsigned int LeafDatabase::getInt(const wchar_t* query, int column)
{
if (sqlite3_prepare16_v2(db, query, -1, &stmt, 0) == SQLITE_OK)
{
if (sqlite3_step(stmt) == SQLITE_ERROR)
printf("SQL ERROR %ls\n", query);
else
return sqlite3_column_int(stmt, column);
}
else
printf("SQL ERROR %ls\n", query);
sqlite3_finalize(stmt);
return 0;
}
Records* LeafDatabase::getRecords(const char* query, Records* custom_rs)
{
Records* rs = NULL;
Record* r = NULL;
Column* c = NULL;
const void* dataP = NULL;
if (sqlite3_prepare_v2(db, query, -1, &stmt, 0) == SQLITE_OK)
{
if (custom_rs == NULL)
rs = new Records();
else
rs = custom_rs;
rs->query = query;
rs->record.resize(0);
rs->db = this;
int cols = sqlite3_column_count(stmt);
int result;
do
{
result = sqlite3_step(stmt);
if (result == SQLITE_ROW)
{
r = new Record();
for (int i = 0; i < cols; i++)
{
c = new Column();
c->colName = sqlite3_column_name(stmt, i);
c->data.datai = sqlite3_column_int(stmt, i);
c->data.datal = sqlite3_column_int64(stmt, i);
dataP = sqlite3_column_text(stmt, i);
memcpy((void*)c->data.datac, (void*) dataP, 512);
r->columns.push_back(c);
}
rs->record.push_back(r);
}
} while(result == SQLITE_ROW);
}
sqlite3_finalize(stmt);
return rs;
}
char* LeafDatabase::getErrMsg()
{
return this->zErrMsg;
}
void LeafDatabase::close()
{
sqlite3_close(db);
}
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