Transform to CMake project.

LLightSQResultSet.cpp

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+/* 
+ * File:   LLightSQResultSet.cpp
+ * Author: SET - nmset@yandex.com
+ * License : LGPL version 2.1
+ * Copyright SET, M. D. - © 2014
+ * 
+ * Created on 31 mai 2014, 18:34
+ */
+#ifdef USE_LIBSQ
+#include "LLightSQResultSet.h"
+#include "LSQConnection.h"
+using namespace SQ;
+
+LLightSQResultSet::LLightSQResultSet() : LLightResultSet()
+{
+}
+
+LLightSQResultSet::LLightSQResultSet(LConnection * newConnection) : LLightResultSet(newConnection)
+{
+}
+
+LLightSQResultSet::~LLightSQResultSet()
+{
+    if (m_rs)
+    {
+        SQresult * srs = static_cast<SQresult*> (m_rs);
+        sqlite3_free_table(srs->m_data);
+        delete srs;
+        m_rs = NULL;
+    }
+}
+
+bool LLightSQResultSet::SetSQL(const wxString& newSql)
+{
+    UpdateSQL(newSql);
+    if (RunSQL()) First();
+    return (m_rs != NULL);
+}
+
+bool LLightSQResultSet::RunSQL()
+{
+    if (m_curSql.IsEmpty()) return false;
+    wxASSERT_MSG(m_conn != NULL, _T("m_conn est NULL."));
+    if (m_rs)
+    {
+        SQresult * srs = static_cast<SQresult*> (m_rs);
+        sqlite3_free_table(srs->m_data);
+        wxDELETE(srs);
+        ;
+        m_rs = NULL;
+    }
+    m_rs = m_conn->ExecuteSQL(m_curSql);
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    if (!RetrieveColNames(srs))
+    { // No columns returned if no data !
+        m_rs = NULL;
+        return false;
+    }
+    if (m_rs)
+    {
+        m_cursor = (HasData()) ? 0 : -1;
+        if (!m_initialised) m_initialised = true;
+        return true;
+    }
+    else
+    {
+        m_cursor = -1;
+        return false;
+    }
+}
+
+bool LLightSQResultSet::HasData() const
+{
+    wxASSERT_MSG(m_rs != NULL, _T("m_rs est NULL."));
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    return (srs->m_nbRows > 0);
+}
+
+bool LLightSQResultSet::Absolute(const unsigned int newRowIndex)
+{
+    if (!HasData())
+    {
+        m_cursor = -1;
+        return false;
+    }
+    wxASSERT_MSG(newRowIndex < GetRowCount(), _T("Paramètre newRowIndex invalide."));
+    m_cursor = newRowIndex;
+    return true;
+}
+
+bool LLightSQResultSet::IsFirst() const
+{
+    if (!(HasData())) return false;
+    return (m_cursor == 0);
+}
+
+bool LLightSQResultSet::IsLast() const
+{
+    if (!(HasData())) return false;
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    return (m_cursor == (srs->m_nbRows - 1));
+}
+
+bool LLightSQResultSet::First()
+{
+    if (IsFirst()) return false;
+    return Absolute(0);
+}
+
+bool LLightSQResultSet::Next()
+{
+    if (IsLast()) return false;
+    return Absolute(m_cursor + 1);
+}
+
+bool LLightSQResultSet::Previous()
+{
+    if (IsFirst()) return false;
+    return Absolute(m_cursor - 1);
+}
+
+bool LLightSQResultSet::Last()
+{
+    if (IsLast()) return false;
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    return Absolute(srs->m_nbRows - 1);
+}
+
+const unsigned int LLightSQResultSet::GetRowCount() const
+{
+    wxASSERT_MSG(m_rs != NULL, _T("m_rs est NULL."));
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    return srs->m_nbRows;
+}
+
+const unsigned int LLightSQResultSet::GetColumnCount() const
+{
+    wxASSERT_MSG(m_rs != NULL, _T("m_rs est NULL."));
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    return srs->m_nbCols;
+}
+
+const wxString LLightSQResultSet::GetColumnName(const unsigned int colIndex) const
+{
+    wxASSERT_MSG(m_rs != NULL, _T("m_rs est NULL."));
+    if (!HasData()) return m_colNames.Item(colIndex);
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    return wxString(srs->m_data[colIndex]);
+}
+
+const int LLightSQResultSet::GetColumnIndex(const wxString& colName) const
+{
+    wxASSERT_MSG(m_rs != NULL, _T("m_rs est NULL."));
+    if (!HasData()) return m_colNames.Index(colName, false);
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    for (unsigned int c = 0; c < srs->m_nbCols; c++)
+    {
+        const wxString sName(srs->m_data[c]);
+        if (sName.Lower() == colName.Lower()) return c;
+    }
+    return -1;
+}
+
+const wxAny LLightSQResultSet::GetData(const unsigned int rowIdx, const unsigned int colIdx) const
+{
+    if (!HasData()) return wxEmptyString;
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    const char * data = srs->m_data[((rowIdx + 1) * (srs->m_nbCols)) + colIdx];
+    return wxString(data, wxConvUTF8);
+}
+
+const wxAny LLightSQResultSet::GetData(const wxString &columnName) const
+{
+    if (m_cursor < 0) return wxEmptyString;
+    if (!HasData()) return wxEmptyString;
+    SQresult * srs = static_cast<SQresult*> (m_rs);
+    for (int c = 0; c < srs->m_nbCols; c++)
+    {
+        const wxString sColName(srs->m_data[c]);
+        if (sColName.Lower() == columnName.Lower()) return GetData(m_cursor, c);
+    }
+    return wxEmptyString;
+}
+
+bool LLightSQResultSet::RetrieveColNames(SQresult * emptyResult)
+{
+    wxASSERT_MSG(m_conn != NULL, _T("m_conn est NULL."));
+    sqlite3 * db = static_cast<sqlite3*> (m_conn->Get());
+    if (db)
+    {
+        sqlite3_stmt * ppStmt;
+        int res = sqlite3_prepare_v2(db, m_curSql, -1, &ppStmt, NULL);
+        if (res == SQLITE_OK)
+        {
+            m_colNames.Clear();
+            int colCount = sqlite3_column_count(ppStmt);
+            for (unsigned int i = 0; i < colCount; i++)
+            {
+                const char * constName = sqlite3_column_name(ppStmt, i);
+                m_colNames.Add(wxString(constName));
+            }
+            emptyResult->m_nbCols = m_colNames.GetCount();
+            sqlite3_finalize(ppStmt);
+            return true;
+        }
+        else
+        {
+            int errCode = sqlite3_errcode(db);
+            const char * errMsg = sqlite3_errmsg(db);
+            const char * errStr = sqlite3_errstr(errCode);
+            const wxString msg(wxAny(errCode).As<wxString>() + _T(" ") +
+                               wxString(errMsg) + _T("\n") + wxString(errStr));
+            wxPrintf("%s\n", msg);
+            wxFAIL_MSG(msg);
+        }
+    }
+    return false;
+}
+
+#endif