public TextWriter GetTextWriter()
{
if (pw == null)
{
HashAlgorithm digest;
try {
digest = HashAlgorithm.Create("MD5");
} catch (TargetException e) {
throw new IOException("No MD5 implementation", e);
}
dos = new DigestOutputStream(new FileStream(file, FileMode.OpenOrCreate, FileAccess.Write), digest);
pw = new TrapCloseTextWriter(this, dos);
// Write the headers....
String version = compatibleVersion ?? typeof(OutputFile).Assembly.GetName().Version.ToString();
pw.WriteLine("/* " + CSharpCCGlobals.GetIdString(toolName, Path.GetFileName(file)) + " Version " + version + " */");
if (options != null)
{
pw.WriteLine("/* CSharpCCOptions:" + Options.GetOptionsString(options) + " */");
}
}
return(pw);
}
private void CheckVersion(string file, String versionId)
{
String firstLine = "/* " + CSharpCCGlobals.GetIdString(ToolName, Path.GetFileName(file)) + " Version ";
try {
StreamReader reader = new StreamReader(file);
String line;
while ((line = reader.ReadLine()) != null)
{
if (line.StartsWith(firstLine))
{
String version = firstLine.Replace(".* Version ", "").Replace(" \\*/", "");
if (version != versionId)
{
CSharpCCErrors.Warning(Path.GetFileName(file)
+ ": File is obsolete. Please rename or delete this file so"
+ " that a new one can be generated for you.");
}
return;
}
}
// If no version line is found, do not output the warning.
} catch (FileNotFoundException) {
// This should never happen
CSharpCCErrors.SemanticError("Could not open file " + Path.GetFileName(file) + " for writing.");
throw new InvalidOperationException();
} catch (IOException) {
}
}
