protected virtual int WriteTemplate(StringTemplate self, StringTemplate stToWrite, IStringTemplateWriter @out)
{
int n = 0;
/* failsafe: perhaps enclosing instance not set
* Or, it could be set to another context! This occurs
* when you store a template instance as an attribute of more
* than one template (like both a header file and C file when
* generating C code). It must execute within the context of
* the enclosing template.
*/
stToWrite.EnclosingInstance = self;
// if self is found up the enclosing instance chain, then infinite recursion
if (StringTemplate.LintMode && StringTemplate.IsRecursiveEnclosingInstance(stToWrite))
{
// throw exception since sometimes eval keeps going even after I ignore this write of o.
throw new InvalidOperationException("infinite recursion to " +
stToWrite.GetTemplateDeclaratorString() + " referenced in " +
stToWrite.EnclosingInstance.TemplateDeclaratorString +
"; stack trace:" + Environment.NewLine + stToWrite.GetEnclosingInstanceStackTrace());
}
else
{
// if we have a wrap string, then inform writer it might need to wrap
if (_wrapString != null)
{
n = @out.WriteWrapSeparator(_wrapString);
}
// check if formatting needs to be applied to the stToWrite
if (_formatString != null)
{
IAttributeRenderer renderer = self.GetAttributeRenderer(typeof(string));
if (renderer != null)
{
/* you pay a penalty for applying format option to a template
* because the template must be written to a temp StringWriter so it can
* be formatted before being written to the real output.
*/
StringWriter buf = new StringWriter();
IStringTemplateWriter sw = self.Group.GetStringTemplateWriter(buf);
stToWrite.Write(sw);
n = @out.Write(renderer.ToString(buf.ToString(), _formatString));
return n;
}
}
n = stToWrite.Write(@out);
}
return n;
}
/// <summary>
/// Write o relative to self to out
/// </summary>
/// <remarks>
/// John Snyders fixes here for formatString. Basically, any time
/// you are about to write a value, check formatting.
/// </remarks>
protected internal virtual int Write(StringTemplate self, object o, IStringTemplateWriter output)
{
if (o == null)
{
if (nullValue == null)
{
return 0;
}
// continue with null option if specified
o = nullValue;
}
int n = 0;
try
{
if (o is StringTemplate)
{
StringTemplate stToWrite = (StringTemplate) o;
// failsafe: perhaps enclosing instance not set
// Or, it could be set to another context! This occurs
// when you store a template instance as an attribute of more
// than one template (like both a header file and C file when
// generating C code). It must execute within the context of
// the enclosing template.
stToWrite.EnclosingInstance = self;
// if self is found up the enclosing instance chain, then
// infinite recursion
if (StringTemplate.IsInLintMode && StringTemplate.IsRecursiveEnclosingInstance(stToWrite))
{
// throw exception since sometimes eval keeps going
// even after I ignore this write of o.
throw new SystemException("infinite recursion to " + stToWrite.GetTemplateDeclaratorString() + " referenced in " + stToWrite.EnclosingInstance.GetTemplateDeclaratorString() + "; stack trace:\n" + stToWrite.GetEnclosingInstanceStackTrace());
}
else
{
// if we have a wrap string, then inform writer it
// might need to wrap
if (wrapString != null)
{
n = output.WriteWrapSeparator(wrapString);
}
// check if formatting needs to be applied to the stToWrite
if ( formatString != null ) {
IAttributeRenderer renderer = self.GetAttributeRenderer(typeof(string));
if ( renderer != null )
{
// you pay a penalty for applying format option to a template
// because the template must be written to a temp StringWriter so it can
// be formatted before being written to the real output.
StringWriter buf = new StringWriter();
IStringTemplateWriter sw = self.Group.CreateInstanceOfTemplateWriter(buf);
stToWrite.Write(sw);
n = output.Write(renderer.ToString(buf.ToString(), formatString));
return n;
}
}
n = stToWrite.Write(output);
}
return n;
}
// normalize anything iteratable to iterator
o = ConvertAnythingIteratableToIterator(o);
if (o is IEnumerator)
{
IEnumerator iter = (IEnumerator)o;
bool seenPrevValue = false;
while (iter.MoveNext())
{
object iterValue = iter.Current;
if (iterValue == null)
{
iterValue = nullValue;
}
if (iterValue != null)
{
if (seenPrevValue /*prevIterValue!=null*/ && (separatorString != null))
{
n += output.WriteSeparator(separatorString);
}
seenPrevValue = true;
int nw = Write(self, iterValue, output);
n += nw;
}
}
}
else
{
IAttributeRenderer renderer = self.GetAttributeRenderer(o.GetType());
string v = null;
if (renderer != null)
{
if (formatString != null)
{
v = renderer.ToString(o, formatString);
}
else
{
v = renderer.ToString(o);
}
}
else
{
v = o.ToString();
}
if (wrapString != null)
{
n = output.Write(v, wrapString);
}
else
{
n = output.Write(v);
}
return n;
}
}
catch (IOException io)
{
self.Error("problem writing object: " + o, io);
}
return n;
}
protected virtual int WriteObject(StringTemplate self, object o, IStringTemplateWriter @out)
{
int n = 0;
IAttributeRenderer renderer = self.GetAttributeRenderer(o.GetType());
string v = null;
if (renderer != null)
{
if (_formatString != null)
v = renderer.ToString(o, _formatString);
else
v = renderer.ToString(o);
}
else
{
v = o.ToString();
}
if (_wrapString != null)
n = @out.Write(v, _wrapString);
else
n = @out.Write(v);
return n;
}
