private static ScriptOrClassResult RewriteTokensScript(CommonTokenStream tokens)
{
IList<string> scripts = new List<string>();
IList<string> classes = new List<string>();
IList<UniformPair<int>> tokenIndexRanges = new List<UniformPair<int>>();
int tokenIndex = 0;
while (tokenIndex < tokens.Size) {
if (tokens.Get(tokenIndex).Type == EsperEPL2GrammarParser.EXPRESSIONDECL) {
var tokenBefore = GetTokenBefore(tokenIndex, tokens);
var isCreateExpressionClause = tokenBefore != null && tokenBefore.Type == EsperEPL2GrammarParser.CREATE;
var nameAndNameStart = FindScriptName(tokenIndex + 1, tokens);
var startIndex = FindStartTokenScript(nameAndNameStart.Second, tokens, EsperEPL2GrammarParser.LBRACK);
if (startIndex != -1) {
var endIndex = FindEndTokenScript(
startIndex + 1,
tokens,
EsperEPL2GrammarParser.RBRACK,
EsperEPL2GrammarParser.GetAfterScriptTokens(),
!isCreateExpressionClause);
if (endIndex != -1) {
var writer = new StringWriter();
for (var j = startIndex + 1; j < endIndex; j++) {
writer.Write(tokens.Get(j).Text);
}
scripts.Add(writer.ToString());
tokenIndexRanges.Add(new UniformPair<int>(startIndex, endIndex));
tokenIndex = endIndex;
}
}
}
if (tokens.Get(tokenIndex).Type == EsperEPL2GrammarParser.CLASSDECL) {
int startIndex = FindTokenClass(tokenIndex, tokens);
if (startIndex != -1) {
int endIndex = FindTokenClass(startIndex + 1, tokens);
if (endIndex != -1) {
StringWriter writer = new StringWriter();
for (int j = startIndex + 1; j < endIndex; j++) {
writer.Write(tokens.Get(j).Text);
}
classes.Add(writer.ToString());
tokenIndexRanges.Add(new UniformPair<int>(startIndex, endIndex));
tokenIndex = endIndex;
}
}
}
tokenIndex++;
}
var rewrittenEPL = RewriteEPL(tokenIndexRanges, tokens);
return new ScriptOrClassResult(rewrittenEPL, scripts, classes);
}
private static ScriptResult RewriteTokensScript(CommonTokenStream tokens)
{
IList <String> scripts = new List <String>();
IList <UniformPair <int?> > scriptTokenIndexRanges = new List <UniformPair <int?> >();
for (var i = 0; i < tokens.Size; i++)
{
if (tokens.Get(i).Type == EsperEPL2GrammarParser.EXPRESSIONDECL)
{
var tokenBefore = GetTokenBefore(i, tokens);
var isCreateExpressionClause = tokenBefore != null && tokenBefore.Type == EsperEPL2GrammarParser.CREATE;
var nameAndNameStart = FindScriptName(i + 1, tokens);
var startIndex = FindStartTokenScript(nameAndNameStart.Second.Value, tokens, EsperEPL2GrammarParser.LBRACK);
if (startIndex != -1)
{
var endIndex = FindEndTokenScript(startIndex + 1, tokens, EsperEPL2GrammarParser.RBRACK, EsperEPL2GrammarParser.GetAfterScriptTokens(), !isCreateExpressionClause);
if (endIndex != -1)
{
var writer = new StringWriter();
for (var j = startIndex + 1; j < endIndex; j++)
{
writer.Write(tokens.Get(j).Text);
}
scripts.Add(writer.ToString());
scriptTokenIndexRanges.Add(new UniformPair <int?>(startIndex, endIndex));
}
}
}
}
var rewrittenEPL = RewriteScripts(scriptTokenIndexRanges, tokens);
return(new ScriptResult(rewrittenEPL, scripts));
}