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src/Pgsql_Params.cpp

@@ -0,0 +1,84 @@
+#include "Pgsql_Params.h"
+
+using namespace Pgsql;
+
+Params::Params()
+{}
+
+Params::Params(const Params& rhs)
+	: m_paramTypes(rhs.m_paramTypes)
+	, m_paramLengths(rhs.m_paramLengths)
+	, m_paramFormats(rhs.m_paramFormats)
+{
+	//std::vector<const char *> m_paramValues;
+	copyValues(rhs.m_paramValues);
+}
+
+Params& Params::operator=(const Params& rhs)
+{
+	if (&rhs != this) {
+		m_paramTypes = rhs.m_paramTypes;
+		m_paramLengths = rhs.m_paramLengths;
+		m_paramFormats = rhs.m_paramFormats;
+		copyValues(rhs.m_paramValues);
+	}
+	return *this;
+}
+
+Params::Params(const Params&& rhs)
+	: m_paramTypes(std::move(rhs.m_paramTypes))
+	, m_paramValues(std::move(rhs.m_paramValues))
+	, m_paramLengths(std::move(rhs.m_paramLengths))
+	, m_paramFormats(std::move(rhs.m_paramFormats))
+{}
+
+Params::~Params()
+{
+	deleteValues();
+}
+
+void Params::addText(const char *data, Oid oid)
+{
+	m_paramTypes.push_back(oid);
+	m_paramValues.push_back(data);
+	m_paramLengths.push_back(data ? strlen(data) + 1 : 0);
+	m_paramFormats.push_back(0);
+}
+
+void Params::add(const QString &s, Oid oid)
+{
+	auto ba = s.toUtf8();
+	const int len = ba.size();
+	char * p = new char[len];
+	std::memcpy(p, ba.data(), len);
+	addText(p, oid);
+}
+
+void Params::addBinary(const char *data, int length, Oid oid)
+{
+	m_paramTypes.push_back(oid);
+	m_paramValues.push_back(data);
+	m_paramLengths.push_back(length);
+	m_paramFormats.push_back(1);
+}
+
+void Params::clear()
+{
+	m_paramTypes.clear();
+	deleteValues();
+	m_paramValues.clear();
+	m_paramLengths.clear();
+	m_paramFormats.clear();
+}
+
+void Params::copyValues(const t_paramValues &r)
+{
+	const int n = m_paramTypes.size();
+	m_paramValues.reserve(n);
+	for (int i = 0; i < n; ++i) {
+		const int len = m_paramLengths[i];
+		char * p = new char[len];
+		std::memcpy(p, r[i], len);
+		m_paramValues.push_back(p);
+	}
+}