private void Escape(TextWriter sw, char[] buf, string escaping, Action <TextWriter, char> mappings)
{
string quoteEscape = null;
string slashEscape = null;
if (mappings != null)
{
foreach (var c in Value)
{
if (c == '"')
{
quoteEscape = quoteEscape ?? PostgresTuple.BuildQuoteEscape(escaping);
foreach (var q in quoteEscape)
{
mappings(sw, q);
}
}
else if (c == '\\')
{
slashEscape = slashEscape ?? PostgresTuple.BuildSlashEscape(escaping.Length);
foreach (var q in slashEscape)
{
mappings(sw, q);
}
}
else
{
mappings(sw, c);
}
}
}
else
{
for (int i = 0; i < Value.Length; i++)
{
var c = Value[i];
if (c == '"')
{
quoteEscape = quoteEscape ?? PostgresTuple.BuildQuoteEscape(escaping);
sw.Write(quoteEscape);
}
else if (c == '\\')
{
slashEscape = slashEscape ?? PostgresTuple.BuildSlashEscape(escaping.Length);
sw.Write(slashEscape);
}
else
{
sw.Write(c);
}
}
}
}
public void InsertRecord(TextWriter sw, char[] buf, string escaping, Action <TextWriter, char> mappings)
{
string quoteEscape = null;
string slashEscape = null;
int c;
if (mappings != null)
{
while ((c = Reader.Read()) != -1)
{
if (c == '"')
{
quoteEscape = quoteEscape ?? PostgresTuple.BuildQuoteEscape(escaping);
foreach (var q in quoteEscape)
{
mappings(sw, q);
}
}
else if (c == '\\')
{
slashEscape = slashEscape ?? PostgresTuple.BuildSlashEscape(escaping.Length);
foreach (var q in slashEscape)
{
mappings(sw, q);
}
}
else
{
mappings(sw, (char)c);
}
}
}
else
{
while ((c = Reader.Read()) != -1)
{
if (c == '"')
{
quoteEscape = quoteEscape ?? PostgresTuple.BuildQuoteEscape(escaping);
sw.Write(quoteEscape);
}
else if (c == '\\')
{
slashEscape = slashEscape ?? PostgresTuple.BuildSlashEscape(escaping.Length);
sw.Write(slashEscape);
}
else
{
sw.Write((char)c);
}
}
}
}
public void InsertRecord(TextWriter sw, char[] buf, string escaping, Action <TextWriter, char> mappings)
{
var pref = PostgresTuple.BuildSlashEscape(escaping.Length);
if (mappings != null)
{
foreach (var p in pref)
{
mappings(sw, p);
}
}
else
{
sw.Write(pref);
}
sw.Write('x');
BuildArray(sw);
}
public void InsertRecord(TextWriter sw, char[] buf, string escaping, Action <TextWriter, char> mappings)
{
var esc = PostgresTuple.BuildQuoteEscape(escaping);
var quoteEscape = new Lazy <string>(() => PostgresTuple.BuildQuoteEscape(escaping + "0"));
var slashEscape = new Lazy <string>(() => PostgresTuple.BuildSlashEscape(escaping.Length + 1));
var len = Value.Count;
if (mappings != null)
{
foreach (var kv in Value)
{
len--;
foreach (var c in esc)
{
mappings(sw, c);
}
foreach (var c in kv.Key)
{
if (c == '"')
{
foreach (var e in quoteEscape.Value)
{
mappings(sw, e);
}
}
else if (c == '\\')
{
foreach (var e in slashEscape.Value)
{
mappings(sw, e);
}
}
else
{
mappings(sw, c);
}
}
foreach (var c in esc)
{
mappings(sw, c);
}
sw.Write("=>");
if (kv.Value == null)
{
sw.Write("NULL");
}
else
{
foreach (var c in esc)
{
mappings(sw, c);
}
foreach (var c in kv.Value)
{
if (c == '"')
{
foreach (var e in quoteEscape.Value)
{
mappings(sw, e);
}
}
else if (c == '\\')
{
foreach (var e in slashEscape.Value)
{
mappings(sw, e);
}
}
else
{
mappings(sw, c);
}
}
foreach (var c in esc)
{
mappings(sw, c);
}
}
if (len > 0)
{
sw.Write(", ");
}
}
}
else
{
foreach (var kv in Value)
{
len--;
sw.Write(esc);
foreach (var c in kv.Key)
{
if (c == '"')
{
sw.Write(quoteEscape.Value);
}
else if (c == '\\')
{
sw.Write(slashEscape.Value);
}
else
{
sw.Write(c);
}
}
sw.Write(esc);
sw.Write("=>");
if (kv.Value == null)
{
sw.Write("NULL");
}
else
{
sw.Write(esc);
foreach (var c in kv.Value)
{
if (c == '"')
{
sw.Write(quoteEscape.Value);
}
else if (c == '\\')
{
sw.Write(slashEscape.Value);
}
else
{
sw.Write(c);
}
}
sw.Write(esc);
}
if (len > 0)
{
sw.Write(", ");
}
}
}
}