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cleanup #10

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cleanup #10

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b3b9b4a
cleanup
shinriyo May 30, 2014
e628dec
cleanup
shinriyo May 30, 2014
140de7e
private
shinriyo May 30, 2014
dfd57ee
cleanup
shinriyo May 30, 2014
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267 changes: 151 additions & 116 deletions Assets/Output/SQLMaker.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,122 +2,157 @@
using System.Text;
using System.Collections.Generic;


namespace UnityORM
{
public class SQLMaker
{

public readonly static DateTime UnixTime = new DateTime(1970,1,1);

public SQLMaker ()
{
}

public string GenerateCreateTableSQL<T>(ClassDesc desc){

var builder = new StringBuilder();
builder.Append("CREATE TABLE IF NOT EXISTS " + desc.Name + "(");
foreach(var f in desc.FieldDescs){
builder.Append(f.NameInTable + " " + ConvertToSQLType(f.FieldType ));
if(f == desc.KeyField){
builder.Append(" PRIMARY KEY");
}
if( desc.AutoIncrement){
builder.Append(" AUTOINCREMENT");
}
builder.Append(",");
}
builder.Remove(builder.Length - 1,1);
builder.Append(");");
return builder.ToString();
}
string ConvertToSQLType(Type t){
if(t == typeof(int) ||
t == typeof(long)){
return "INTEGER";
}else if(t == typeof(double)){
return "FLOAT";
}else if(t == typeof(byte[])){
return "BLOB";
}else if(t == typeof(DateTime)){
return "INTEGER";
}else{
return "TEXT";
}
}

public string GenerateSelectAllSQL<T>(ClassDesc desc){
return "SELECT * FROM " + desc.Name + ";";
}

public string GenerateSelectSQL<T>(ClassDesc desc,object key){
if(desc.KeyField == null) throw new Exception("Class " + desc.Name + " hasn't key field");
return "SELECT * FROM " + desc.Name + " WHERE " + desc.KeyField.NameInTable + " = " + ValueToBlock(key) + ";";
}

public string GenerateDeleteAllSQL<T>(ClassDesc desc){
return "DELETE FROM " + desc.Name + ";";
}
public string GenerateDeleteSQL<T>(ClassDesc desc,object key){
if(desc.KeyField == null) throw new Exception("Class " + desc.Name + " hasn't key field");
return "DELETE FROM " + desc.Name + " WHERE " + desc.KeyField.NameInTable + " = " + ValueToBlock(key) + ";";
}

public string GenerateInsertSQL<T>(ClassDesc desc,T obj){
var builder = new StringBuilder();
builder.Append("INSERT INTO " + desc.Name + " (");

var fields = desc.FieldDescs;
if(desc.AutoIncrement){
fields = new List<UnityORM.FieldDesc>(fields);
fields.Remove(desc.KeyField);
}

foreach( var f in fields){
builder.Append(f.NameInTable + ",");
}
builder.Remove(builder.Length - 1,1);
builder.Append(") VALUES (");

foreach( var f in fields){
object v = f.GetForDb(obj);
builder.Append(ValueToBlock(v) + ",");
}
builder.Remove(builder.Length - 1,1);
builder.Append(");");

return builder.ToString();
}

public string GenerateUpdateSQL<T>(ClassDesc desc,T obj){
if(desc.KeyField == null) throw new Exception("Class " + desc.Name + " hasn't key field");
var builder = new StringBuilder();
builder.Append("UPDATE " + desc.Name + " SET ");
foreach(var f in desc.FieldDescs){
object v = f.GetForDb(obj);
builder.Append(f.NameInTable + "=" + ValueToBlock(v) + ",");
}
builder.Remove(builder.Length -1 ,1);
builder.Append(" WHERE " + desc.KeyField.NameInTable + " = " + ValueToBlock(desc.KeyField.GetForDb(obj)) + ";");

return builder.ToString();
}


string ValueToBlock(object v){
if(v == null){
return "NULL";
}else{
return "'" + Escape(v.ToString()) + "'";
}
}

public string Escape(string str){
return str.Replace("'","''");
}


}
}
public class SQLMaker
{
public readonly static DateTime UnixTime = new DateTime (1970, 1, 1);

public SQLMaker ()
{
}

public string GenerateCreateTableSQL<T> (ClassDesc desc)
{
var builder = new StringBuilder ();
builder.Append ("CREATE TABLE IF NOT EXISTS " + desc.Name + "(");
foreach (var f in desc.FieldDescs)
{
builder.Append (f.nameInTable + " " + ConvertToSQLType (f.FieldType));
if (f == desc.KeyField)
{
builder.Append (" PRIMARY KEY");
}
if (desc.AutoIncrement)
{
builder.Append (" AUTOINCREMENT");
}
builder.Append (",");
}
builder.Remove (builder.Length - 1, 1);
builder.Append (");");
return builder.ToString ();
}

private string ConvertToSQLType (Type t)
{
if (t == typeof(int) ||
t == typeof(long))
{
return "INTEGER";
}
else if (t == typeof(double))
{
return "FLOAT";
}
else if (t == typeof(byte[]))
{
return "BLOB";
}
else if (t == typeof(DateTime))
{
return "INTEGER";
}
else
{
return "TEXT";
}
}

public string GenerateSelectAllSQL<T> (ClassDesc desc)
{
return "SELECT * FROM " + desc.Name + ";";
}

public string GenerateSelectSQL<T> (ClassDesc desc, object key)
{
if (desc.KeyField == null)
{
throw new Exception ("Class " + desc.Name + " hasn't key field");
}
return "SELECT * FROM " + desc.Name + " WHERE " + desc.KeyField.nameInTable + " = " + ValueToBlock (key) + ";";
}

public string GenerateDeleteAllSQL<T> (ClassDesc desc)
{
return "DELETE FROM " + desc.Name + ";";
}

public string GenerateDeleteSQL<T> (ClassDesc desc, object key)
{
if (desc.KeyField == null)
{
throw new Exception ("Class " + desc.Name + " hasn't key field");
}
return "DELETE FROM " + desc.Name + " WHERE " + desc.KeyField.nameInTable + " = " + ValueToBlock (key) + ";";
}

public string GenerateInsertSQL<T> (ClassDesc desc, T obj)
{
var columnsBuilder = new StringBuilder ();
var valuesBuilder = new StringBuilder ();
columnsBuilder.Append ("INSERT INTO " + desc.Name + " (");

var fields = desc.FieldDescs;
if (desc.AutoIncrement)
{
fields = new List<UnityORM.FieldDesc> (fields);
fields.Remove (desc.KeyField);
}

foreach (var f in fields)
{
// columns
columnsBuilder.Append (f.nameInTable + ",");
// values
object v = f.GetForDb (obj);
valuesBuilder.Append (ValueToBlock (v) + ",");
}

columnsBuilder.Remove (columnsBuilder.Length - 1, 1);
columnsBuilder.Append (") VALUES (");

valuesBuilder.Remove (valuesBuilder.Length - 1, 1);
valuesBuilder.Append (");");
columnsBuilder.Append (valuesBuilder);

return columnsBuilder.ToString ();
}

public string GenerateUpdateSQL<T> (ClassDesc desc, T obj)
{
if (desc.KeyField == null)
{
throw new Exception ("Class " + desc.Name + " hasn't key field");
}
var builder = new StringBuilder ();
builder.Append ("UPDATE " + desc.Name + " SET ");
foreach (var f in desc.FieldDescs)
{
object v = f.GetForDb (obj);
builder.Append (f.nameInTable + "=" + ValueToBlock (v) + ",");
}
builder.Remove (builder.Length - 1, 1);
builder.Append (" WHERE " + desc.KeyField.nameInTable + " = " + ValueToBlock (desc.KeyField.GetForDb (obj)) + ";");

return builder.ToString ();
}

private string ValueToBlock (object v)
{
if (v == null)
{
return "NULL";
}
else
{
return "'" + Escape (v.ToString ()) + "'";
}
}

private string Escape (string str)
{
return str.Replace ("'", "''");
}
}
}
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