public List <AsbtractRenderCommand> Parse(FileLine line, IMessageHandler messageHandler)
{
var commands = new List <AsbtractRenderCommand>();
var script = line.CreateOriginalTextSpan(line.Begin, line.End);
if (script.IsEmpty == false)
{
var scriptEnd = line.CreateOriginalTextSpan(line.End, line.End);
commands.Add(new ScriptCommand(script, scriptEnd));
}
return(commands);
}
public override List <AsbtractRenderCommand> Parse(FileLine line, IMessageHandler messageHandler)
{
List <AsbtractRenderCommand> commands = base.Parse(line, messageHandler);
var newLineSpan = line.CreateOriginalTextSpan(line.BeginNonSpace, line.BeginNonSpace + 1);
commands.Add(new NewLineCommand(newLineSpan));
return(commands);
}
public List <AsbtractRenderCommand> Parse(FileLine line, IMessageHandler messageHandler)
{
var commands = new List <AsbtractRenderCommand>();
//
var beginSpan = line.CreateOriginalTextSpan(line.BeginNonSpace, line.BeginNonSpace + 1); //skip matched character
var scriptBegin = line.Text.IndexOfNot(beginSpan.End, line.End, CharExtensions.IsSpace);
var indentationSpan = line.CreateOriginalTextSpan(beginSpan.End, scriptBegin);
if (indentationSpan.IsEmpty == false)
{
var endSpan = line.CreateOriginalTextSpan(indentationSpan.End, indentationSpan.End);
commands.Add(new PushIndentationCommand(beginSpan, indentationSpan, endSpan));
}
//
var statementSpan = line.CreateOriginalTextSpan(indentationSpan.End, line.End);
var statementEndSpan = line.CreateOriginalTextSpan(statementSpan.End, statementSpan.End);
if (statementSpan.IsEmpty == false)
{
commands.Add(new StatementCommand(statementSpan, statementEndSpan));
}
//
if (indentationSpan.IsEmpty == false)
{
var popIndentationSpan = line.CreateOriginalTextSpan(line.End, line.End);
commands.Add(new PopIndentationCommand(popIndentationSpan));
}
return(commands);
}
public virtual List <AsbtractRenderCommand> Parse(FileLine line, IMessageHandler messageHandler)
{
var commands = new List <AsbtractRenderCommand>();
var beginSpan = line.CreateOriginalTextSpan(line.BeginNonSpace, line.BeginNonSpace + 1); //skip matched character
var index = line.Text.IndexOfNot(beginSpan.End, line.End, CharExtensions.IsSpace);
var indentationSpan = line.CreateOriginalTextSpan(beginSpan.End, index);
if (indentationSpan.IsEmpty == false)
{
var endSpan = line.CreateOriginalTextSpan(indentationSpan.End, indentationSpan.End);
commands.Add(new PushIndentationCommand(beginSpan, indentationSpan, endSpan));
}
var end = index;
while (index < line.End)
{
index = line.Text.IndexOf(index, line.End, (ch) => ch == '#');
if (index == line.End)
{ // reached line end
break;
}
if ((index + 1) >= line.End)
{
break;
}
switch (line.Text[index + 1])
{
case '#':
{
var textSpan = line.CreateOriginalTextSpan(end, index);
if (textSpan.IsEmpty == false)
{
var textEndSpan = line.CreateOriginalTextSpan(index, index);
commands.Add(new TextCommand(textSpan, textEndSpan));
}
var escapeBegin = (index + 1); //skip #
var escapeSpan = line.CreateOriginalTextSpan(escapeBegin, escapeBegin + 1);
if (escapeSpan.IsEmpty == false)
{
var escapeEndSpan = line.CreateOriginalTextSpan(escapeSpan.End, escapeSpan.End);
commands.Add(new TextCommand(escapeSpan, escapeEndSpan));
}
index = end = (escapeBegin + 1);
continue;
}
case '{':
{
var textSpan = line.CreateOriginalTextSpan(end, index);
if (textSpan.IsEmpty == false)
{
var textEndSpan = line.CreateOriginalTextSpan(index, index);
commands.Add(new TextCommand(textSpan, textEndSpan));
}
var expressionBegin = (index + 1);
var expressionEnd = BraceCounter.MatchBraces(line.Text, expressionBegin, line.End);
if (expressionEnd == line.End)
{
index = end = line.End;
var errorPosition = new TextPosition(line.Position.Line, 1 + (line.End - line.Begin));
messageHandler.Message(TraceLevel.Error, "Missing '}'.", line.Position.Name, errorPosition);
break;
}
var expressionBeginSpan = line.CreateOriginalTextSpan(index, expressionBegin + 1);
var expressionSpan = line.CreateOriginalTextSpan(expressionBeginSpan.End, expressionEnd);
if (expressionSpan.IsEmpty == false)
{
var expressionEndSpan = line.CreateOriginalTextSpan(expressionSpan.End, expressionEnd + 1);
commands.Add(new ExpressionCommand(expressionBeginSpan, expressionSpan, expressionEndSpan));
}
index = end = (expressionEnd + 1);
continue;
}
default:
{
index = end = (index + 2);
continue;
}
}
}
var lastTextSpan = line.CreateOriginalTextSpan(end, line.End);
if (lastTextSpan.IsEmpty == false)
{
var textEndSpan = line.CreateOriginalTextSpan(line.End, line.End);
commands.Add(new TextCommand(lastTextSpan, textEndSpan));
}
if (indentationSpan.IsEmpty == false)
{
var popIndentationSpan = line.CreateOriginalTextSpan(line.End, line.End);
commands.Add(new PopIndentationCommand(popIndentationSpan));
}
return(commands);
}
public List <AsbtractRenderCommand> Parse(FileLine line, IMessageHandler messageHandler)
{
var commands = new List <AsbtractRenderCommand>();
while (true)
{
var index = (line.BeginNonSpace + 1); // Skip #
// Find 'pragma'
string preproDirective;
index = this.MatchNextToken(line.Text, index, line.End, out preproDirective);
if (index == line.End)
{
break;
}
if (string.Compare(preproDirective, "pragma", StringComparison.Ordinal) != 0)
{
break;
}
// Find 'include'
string pragmaName;
index = this.MatchNextToken(line.Text, index, line.End, out pragmaName);
if (index == line.End)
{
break;
}
if (string.Compare(pragmaName, "include", StringComparison.Ordinal) != 0)
{
break;
}
// Find '"<Filename>"'
var pragmaArgBegin = line.Text.IndexOf(index, line.End, ch => ch == '"');
if (pragmaArgBegin == line.End)
{
break;
}
var pragmaArgEnd = BraceCounter.FindQuoteEnd(line.Text, index, line.End);
if (pragmaArgEnd == line.End)
{
break;
}
// Extract <Filename> from '"<Filename>"'
string pragmaArgument = line.Text.Substring(pragmaArgBegin + 1, (pragmaArgEnd - pragmaArgBegin - 1));
var pragmaSpan = line.CreateOriginalTextSpan(line.Begin, line.End);
if (pragmaSpan.IsEmpty == false)
{
var endSpan = line.CreateOriginalTextSpan(line.End, line.End);
commands.Add(new PragmaCommand(pragmaSpan, endSpan, pragmaName, pragmaArgument));
}
index = (pragmaArgEnd + 1);
break;
}
// No pragma detected, pass line through
if (commands.Count == 0)
{
var scriptSpan = line.CreateOriginalTextSpan(line.Begin, line.End);
if (scriptSpan.IsEmpty == false)
{
var scriptEndSpan = line.CreateOriginalTextSpan(line.End, line.End);
commands.Add(new ScriptCommand(scriptSpan, scriptEndSpan));
}
}
return(commands);
}
