Reorganize files in pglablib

The enitities and containers of the catalog now go into catalog subfolder
Models go into model

pglablib/catalog/PgKeywordList.h

@@ -0,0 +1,51 @@
+#ifndef PGKEYWORDLIST_H
+#define PGKEYWORDLIST_H
+
+#include <QString>
+#include <unordered_set>
+#include <functional>
+#include "util.h"
+
+#define UNRESERVED_KEYWORD		0
+#define COL_NAME_KEYWORD		1
+#define TYPE_FUNC_NAME_KEYWORD	2
+#define RESERVED_KEYWORD		3
+
+
+
+using t_SymbolSet = std::unordered_set<QString>;
+
+
+class Keyword {
+public:
+	Keyword(QString kw, int16_t cat)
+		: m_keyword(kw), m_category(cat)
+	{}
+
+	const QString& getKeyword() const { return m_keyword; }
+	int16_t getCategory() const { return m_category; }
+
+	//bool operator<(const QString &s) const { return m_keyword < s; }
+	bool operator<(const Keyword &kw) const { return m_keyword < kw.m_keyword; }
+private:
+	QString m_keyword;
+	int16_t m_category;
+};
+
+namespace std {
+
+  template <>
+  struct hash<Keyword>
+  {
+	std::size_t operator()(const Keyword& s) const
+	{
+		return qHash(s.getKeyword());
+	}
+  };
+
+}
+
+const Keyword* getPgsqlKeyword(QString s);
+
+
+#endif // PGKEYWORDLIST_H