From 17b259df9cb6b28779d4881b2b6c805ee2e48eea Mon Sep 17 00:00:00 2001
From: Michele Calgaro <michele.calgaro@yahoo.it>
Date: Fri, 7 Jun 2024 23:30:05 +0900
Subject: Rename to tde-ebook-reader

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
---
 .../src/database/sqldb/implsqlite/SQLiteCommand.h  | 117 +++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 reader/src/database/sqldb/implsqlite/SQLiteCommand.h

(limited to 'reader/src/database/sqldb/implsqlite/SQLiteCommand.h')

diff --git a/reader/src/database/sqldb/implsqlite/SQLiteCommand.h b/reader/src/database/sqldb/implsqlite/SQLiteCommand.h
new file mode 100644
index 0000000..395fd30
--- /dev/null
+++ b/reader/src/database/sqldb/implsqlite/SQLiteCommand.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+
+#ifndef __SQLITECOMMAND_H__
+#define __SQLITECOMMAND_H__
+
+#include <sqlite3.h>
+
+#include "../DBCommand.h"
+
+#include "SQLiteConnection.h"
+
+
+/*
+ * Command can contain parameters with following names:
+ *     ?    - anonymous parameter
+ *     @AAA - named parameter
+ *
+ * where AAA is alpha-numeric parameter name
+ */
+class SQLiteCommand : public DBCommand {
+
+public:
+	static std::string packCommand(const std::string &command);
+
+public:
+	SQLiteCommand(const std::string &command, DBConnection &connection);
+	~SQLiteCommand();
+
+	bool execute();
+	shared_ptr<DBValue> executeScalar();
+	shared_ptr<DBDataReader> executeReader();
+
+public:
+	void unlock();
+
+	// TODO: hide sqlite3_stmt object inside
+	std::vector<sqlite3_stmt *> &statements();
+	const std::vector<sqlite3_stmt *> &statements() const;
+
+	void dumpError() const;
+	void dumpError(const std::string &msg) const;
+
+	bool resetStatements();
+
+private:
+
+	struct BindParameter {
+		std::size_t Position;
+		std::string Name;
+
+		BindParameter(std::size_t pos) : Position(pos), Name("") {}
+		BindParameter(std::size_t pos, const std::string &name) : Position(pos), Name(name) {}
+
+		bool hasName() const;
+	};
+	
+	class BindParameterComparator {
+
+	public:
+		BindParameterComparator(const std::string &name);
+		bool operator () (const SQLiteCommand::BindParameter &p) const;
+
+	private:
+		const std::string myName;
+	};
+
+	void prepareBindContext();
+	bool bindParameters();
+	bool bindParameterByName(const std::string &name, shared_ptr<DBValue> value);
+	bool bindParameterByIndex(std::size_t index, shared_ptr<DBValue> value);
+	bool bindParameter(sqlite3_stmt *statement, int number, shared_ptr<DBValue> value);
+	bool prepareStatements(SQLiteConnection &conn);
+
+	void finalizeStatements();
+	
+private:
+	std::vector<sqlite3_stmt *> myStatements;
+	std::vector<BindParameter> myBindContext;
+	bool myLocked;
+
+private: // disable copying:
+	SQLiteCommand(const SQLiteCommand &);
+	const SQLiteCommand &operator = (const SQLiteCommand &);
+};
+
+
+inline SQLiteCommand::SQLiteCommand(const std::string &command, DBConnection &connection) 
+	: DBCommand(SQLiteCommand::packCommand(command), connection), myStatements(), myLocked(false) {}
+
+inline void SQLiteCommand::unlock() { myLocked = false; }
+inline std::vector<sqlite3_stmt *> &SQLiteCommand::statements() { return myStatements; }
+inline const std::vector<sqlite3_stmt *> &SQLiteCommand::statements() const { return myStatements; }
+
+inline bool SQLiteCommand::BindParameter::hasName() const { return Name.size() > 0; }
+
+inline SQLiteCommand::BindParameterComparator::BindParameterComparator(const std::string &name) : myName(name) {}
+inline bool SQLiteCommand::BindParameterComparator::operator () (const SQLiteCommand::BindParameter &p) const { return myName == p.Name; }
+
+#endif /* __SQLITECOMMAND_H__ */
-- 
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