/// <summary>
/// Append text.
/// </summary>
public void Append(TextSpan textSpan, TextWriter writer)
{
// Skip empty spans
if (textSpan.IsEmpty) {
return;
}
var index = textSpan.BeginIndex;
while (index < textSpan.EndIndex) {
if (currentLineEmpty) {
writer.Write(indentation);
Column += indentation.Length;
currentLineEmpty = false;
}
var lineBreakIndex = textSpan.OriginalText.IndexOf(index, textSpan.EndIndex, ch => ch == '\n');
if (lineBreakIndex == -1) { // No line break found
writer.Write(index, textSpan.EndIndex, textSpan.OriginalText);
index += (textSpan.EndIndex - index);
}
else { // Line break found
++lineBreakIndex;
writer.Write(index, lineBreakIndex, textSpan.OriginalText);
index += (lineBreakIndex - index);
++Line;
currentLineEmpty = true;
Column = 1;
}
}
}
public List<AsbtractCodeFragment> Parse(FileLine line, IMessageHandler messageHandler)
{
List<AsbtractCodeFragment> fragments = new List<AsbtractCodeFragment>();
while (true) {
var index = (line.BeginIndexNonSpace + 1); // Skip #
// Find 'pragma'
string preproDirective;
index = this.MatchNextToken(line.Text, index, line.EndIndex, out preproDirective);
if (index == -1) {
break;
}
if (string.Compare(preproDirective, "pragma") != 0) {
break;
}
// Find 'include'
string pragmaName;
index = this.MatchNextToken(line.Text, index, line.EndIndex, out pragmaName);
if (index == -1) {
break;
}
if (string.Compare(pragmaName, "include") != 0) {
break;
}
// Find '"<Filename>"'
var pragmaArgIndex = line.Text.IndexOf(index, line.EndIndex, ch => ch == '"');
if (pragmaArgIndex == -1) {
break;
}
index = (pragmaArgIndex + 1);
var pragmaArgEndIndex = BraceCounter.FindQuoteEnd(index, line.EndIndex, line.Text);
if (pragmaArgEndIndex == -1) {
break;
}
index = (pragmaArgEndIndex + 1);
string pragmaArgument = line.Text.Substring(pragmaArgIndex + 1, (pragmaArgEndIndex - pragmaArgIndex - 1));
var textSpan = new TextSpan(line.BeginIndex, line.EndIndex, line.Text);
fragments.Add(new OriginPragma(pragmaName, pragmaArgument, line, textSpan));
break;
}
fragments.Add(new OriginScript(line, new TextSpan(line.BeginIndex, line.EndIndex, line.Text)));
return fragments;
}
