private void Load(Stream stream, Dictionary<string, Delegate> additionalCustomFormulas = null)
{
var templateEngineSettings = FluentJdfLibrary.Settings.TemplateEngineSettings;
TemplateItem parent = null;
var formulaTemplateItemFactory = new FormulaTemplateItemFactory(additionalCustomFormulas);
items = new TemplateItemCollection();
StreamReader reader = null;
try
{
reader = new StreamReader(stream);
}
catch (Exception err)
{
string mess = string.Format(Messages.CouldNotOpen, name);
logger.Error(mess, err);
throw new TemplateApiException(mess, err);
}
StringBuilder staticText = new StringBuilder(100);
int lineNumber = 1;
int positionInLine = -1;
try
{
States currentState = States.Text;
StringBuilder varName = new StringBuilder(50);
StringBuilder defaultValue = new StringBuilder(50);
StringBuilder tableName = new StringBuilder(50);
StringBuilder tableTag = new StringBuilder(50);
char c = ' ';
while (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
switch (currentState)
{
case States.Text:
switch (c)
{
case '[':
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == ':')
{
currentState = States.Var;
if (staticText.Length > 0)
{
StaticTemplateItem item = new StaticTemplateItem(parent, "static", lineNumber, positionInLine, staticText.ToString());
if (parent == null)
{
items.Add(item);
}
}
staticText.Remove(0, staticText.Length);
varName.Remove(0, varName.Length);
defaultValue.Remove(0, defaultValue.Length);
tableName.Remove(0, tableName.Length);
tableTag.Remove(0, tableName.Length);
}
else if (c == '%')
{
currentState = States.TableTag;
if (staticText.Length > 0)
{
StaticTemplateItem item = new StaticTemplateItem(parent, "static", lineNumber, positionInLine, staticText.ToString());
if (parent == null)
{
items.Add(item);
}
}
staticText.Remove(0, staticText.Length);
varName.Remove(0, varName.Length);
defaultValue.Remove(0, defaultValue.Length);
tableName.Remove(0, tableName.Length);
tableTag.Remove(0, tableTag.Length);
}
else
{
staticText.Append("[");
}
}
break;
case '<':
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '!')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '-')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '-')
{
currentState = States.Comment;
}
else
{
staticText.Append("<!-");
}
}
else
{
staticText.Append("<!-");
}
}
else
{
staticText.Append("<!");
}
}
else
{
staticText.Append("<!");
}
}
else
{
staticText.Append("<");
}
}
else
{
staticText.Append("<");
}
break;
}
if (currentState == States.Text)
{
staticText.Append(c);
}
break;
case States.Comment:
if (c == '-')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '-')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '>')
{
currentState = States.Text;
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF. An XML comment must end with '-->'.");
}
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF. An XML comment must end with '-->'.");
}
}
break;
case States.TableTag:
//if the character is non-blank or one non-blank was encountered in this tag
if (c == '%')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
if (tableTag.ToString() == "end table")
{
if (parent == null)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "[%end table%] without corresponding [%table(<tablename>)%]");
}
//tables can be nested, this "pops" the stack of parents
parent = parent.Parent;
currentState = States.Text;
break;
}
else if (tableTag.ToString() == "table")
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "table requires table name parameter");
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "unknown [% tag " + tableTag.ToString());
}
}
else if (c == '(')
{
if (tableTag.ToString() == "table")
{
currentState = States.TableName;
break;
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "'(' not expected");
}
}
tableTag.Append(c);
break;
case States.TableName:
if (c == ')')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != '%')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "'%' expected");
}
else
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
if (tableName.Length > 0)
{
string tName = tableName.ToString();
TemplateItem newParent = new TableTemplateItem(parent, tName, lineNumber, positionInLine, tName);
if (parent == null)
{
items.Add(newParent);
}
parent = newParent;
currentState = States.Text;
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "[%table(<table name>%} must have table name specified.");
}
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
}
tableName.Append(c);
break;
case States.Var:
switch (c)
{
case ':':
if (varName.Length == 0)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Variable name is zero length");
}
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
VariableTemplateItem item = new VariableTemplateItem(parent, varName.ToString(), lineNumber, positionInLine, null);
if (parent == null)
{
items.Add(item);
}
currentState = States.Text;
break;
case '=':
if (varName.Length == 0)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Variable name is zero length");
}
currentState = States.Val;
break;
default:
varName.Append(c);
break;
}
break;
case States.Val:
switch (c)
{
case ':':
if (defaultValue.Length == 0)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Default value is zero length");
}
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
string def = defaultValue.ToString().Trim();
if (def.IndexOf("(") > -1 && def.EndsWith(")")) {
FormulaTemplateItem item = formulaTemplateItemFactory.CreateFormulaItem(parent, varName.ToString(), lineNumber, positionInLine, def, templateEngineSettings);
if (parent == null)
{
items.Add(item);
}
}
else
{
VariableTemplateItem item = new VariableTemplateItem(parent, varName.ToString(), lineNumber, positionInLine, def);
if (parent == null)
{
items.Add(item);
}
}
currentState = States.Text;
break;
default:
defaultValue.Append(c);
break;
}
break;
}
}
}
finally
{
reader.Close();
if (staticText.Length > 0)
{
TemplateItem item = new StaticTemplateItem(parent, "static", lineNumber, positionInLine, staticText.ToString());
if (parent == null)
{
items.Add(item);
}
}
if (parent != null)
{
LogAndThrowTemplateApiException("One or more [%table tags is not closed with an [%end table");
}
}
}
private void Load(Stream stream, Dictionary <string, Delegate> additionalCustomFormulas = null)
{
var templateEngineSettings = FluentJdfLibrary.Settings.TemplateEngineSettings;
TemplateItem parent = null;
var formulaTemplateItemFactory = new FormulaTemplateItemFactory(additionalCustomFormulas);
items = new TemplateItemCollection();
StreamReader reader = null;
try
{
reader = new StreamReader(stream);
}
catch (Exception err)
{
string mess = string.Format(Messages.CouldNotOpen, name);
logger.Error(mess, err);
throw new TemplateApiException(mess, err);
}
StringBuilder staticText = new StringBuilder(100);
int lineNumber = 1;
int positionInLine = -1;
try
{
States currentState = States.Text;
StringBuilder varName = new StringBuilder(50);
StringBuilder defaultValue = new StringBuilder(50);
StringBuilder tableName = new StringBuilder(50);
StringBuilder tableTag = new StringBuilder(50);
char c = ' ';
while (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
switch (currentState)
{
case States.Text:
switch (c)
{
case '[':
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == ':')
{
currentState = States.Var;
if (staticText.Length > 0)
{
StaticTemplateItem item = new StaticTemplateItem(parent, "static", lineNumber, positionInLine, staticText.ToString());
if (parent == null)
{
items.Add(item);
}
}
staticText.Remove(0, staticText.Length);
varName.Remove(0, varName.Length);
defaultValue.Remove(0, defaultValue.Length);
tableName.Remove(0, tableName.Length);
tableTag.Remove(0, tableName.Length);
}
else if (c == '%')
{
currentState = States.TableTag;
if (staticText.Length > 0)
{
StaticTemplateItem item = new StaticTemplateItem(parent, "static", lineNumber, positionInLine, staticText.ToString());
if (parent == null)
{
items.Add(item);
}
}
staticText.Remove(0, staticText.Length);
varName.Remove(0, varName.Length);
defaultValue.Remove(0, defaultValue.Length);
tableName.Remove(0, tableName.Length);
tableTag.Remove(0, tableTag.Length);
}
else
{
staticText.Append("[");
}
}
break;
case '<':
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '!')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '-')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '-')
{
currentState = States.Comment;
}
else
{
staticText.Append("<!-");
}
}
else
{
staticText.Append("<!-");
}
}
else
{
staticText.Append("<!");
}
}
else
{
staticText.Append("<!");
}
}
else
{
staticText.Append("<");
}
}
else
{
staticText.Append("<");
}
break;
}
if (currentState == States.Text)
{
staticText.Append(c);
}
break;
case States.Comment:
if (c == '-')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '-')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c == '>')
{
currentState = States.Text;
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF. An XML comment must end with '-->'.");
}
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF. An XML comment must end with '-->'.");
}
}
break;
case States.TableTag:
//if the character is non-blank or one non-blank was encountered in this tag
if (c == '%')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
if (tableTag.ToString() == "end table")
{
if (parent == null)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "[%end table%] without corresponding [%table(<tablename>)%]");
}
//tables can be nested, this "pops" the stack of parents
parent = parent.Parent;
currentState = States.Text;
break;
}
else if (tableTag.ToString() == "table")
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "table requires table name parameter");
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "unknown [% tag " + tableTag.ToString());
}
}
else if (c == '(')
{
if (tableTag.ToString() == "table")
{
currentState = States.TableName;
break;
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "'(' not expected");
}
}
tableTag.Append(c);
break;
case States.TableName:
if (c == ')')
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != '%')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "'%' expected");
}
else
{
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
if (tableName.Length > 0)
{
string tName = tableName.ToString();
TemplateItem newParent = new TableTemplateItem(parent, tName, lineNumber, positionInLine, tName);
if (parent == null)
{
items.Add(newParent);
}
parent = newParent;
currentState = States.Text;
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "[%table(<table name>%} must have table name specified.");
}
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
}
tableName.Append(c);
break;
case States.Var:
switch (c)
{
case ':':
if (varName.Length == 0)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Variable name is zero length");
}
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
VariableTemplateItem item = new VariableTemplateItem(parent, varName.ToString(), lineNumber, positionInLine, null);
if (parent == null)
{
items.Add(item);
}
currentState = States.Text;
break;
case '=':
if (varName.Length == 0)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Variable name is zero length");
}
currentState = States.Val;
break;
default:
varName.Append(c);
break;
}
break;
case States.Val:
switch (c)
{
case ':':
if (defaultValue.Length == 0)
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Default value is zero length");
}
if (ReadNext(reader, staticText, ref lineNumber, ref positionInLine, ref c))
{
if (c != ']')
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "']' expected");
}
}
else
{
LogAndThrowTemplateExpansionException(lineNumber, positionInLine, "Unexpected EOF");
}
string def = defaultValue.ToString().Trim();
if (def.IndexOf("(") > -1 && def.EndsWith(")"))
{
FormulaTemplateItem item = formulaTemplateItemFactory.CreateFormulaItem(parent, varName.ToString(), lineNumber, positionInLine, def, templateEngineSettings);
if (parent == null)
{
items.Add(item);
}
}
else
{
VariableTemplateItem item = new VariableTemplateItem(parent, varName.ToString(), lineNumber, positionInLine, def);
if (parent == null)
{
items.Add(item);
}
}
currentState = States.Text;
break;
default:
defaultValue.Append(c);
break;
}
break;
}
}
}
finally
{
reader.Close();
if (staticText.Length > 0)
{
TemplateItem item = new StaticTemplateItem(parent, "static", lineNumber, positionInLine, staticText.ToString());
if (parent == null)
{
items.Add(item);
}
}
if (parent != null)
{
LogAndThrowTemplateApiException("One or more [%table tags is not closed with an [%end table");
}
}
}