static int PreprocessFile(string sname, string dname, Options options)
{
TextReader inputReader;
TextWriter outputWriter = null;
FileStream sourceStream = null;
FileStream destStream = null;
string sourceDirectory = null;
try {
if (sname == String.Empty) {
inputReader = Console.In;
} else {
sourceStream = new FileStream(sname, FileMode.Open, FileAccess.Read);
inputReader = new StreamReader(sourceStream);
try {
sourceDirectory = Path.GetDirectoryName(Path.GetFullPath(sname));
} catch (Exception ex) {
// This shouldn't happen unless permissions are really screwy, or I've made a terrible mistake.
Console.Error.WriteLine("Non-fatal exception attempting to read source path: " + ex);
}
}
if (options.CountReferences) {
// When counting references in the input file we don't need an
// output file - the count result is returned as the errorLevel.
} else {
if (dname == String.Empty) {
outputWriter = Console.Out;
} else {
// Unicode BOM causes syntax errors in the gettext utils
Encoding utf8WithoutBom = new UTF8Encoding(false);
outputWriter = new StreamWriter(
new FileStream(dname, FileMode.Create, FileAccess.Write),
utf8WithoutBom
);
}
// determine which newline character to use.
string newline = cNewline_Default;
switch (options.NewlinePreference) {
case NewLineOptions.SameAsSource:
// lookahead in inputReader to see whether the line is broken with LF or CRLF
if (sourceStream != null && sourceStream.CanSeek) {
long startPosition = sourceStream.Position;
int peekedChar;
while ((peekedChar = sourceStream.ReadByte()) != -1) {
if (peekedChar == (int)('\n')) {
// We encountered a LF
newline = cNewline_LF;
break;
} else if (peekedChar == (int)('\r')) {
// We encountered a CR
newline = cNewline_CRLF;
break;
}
}
sourceStream.Seek(startPosition, SeekOrigin.Begin);
}
break;
case NewLineOptions.LF:
newline = cNewline_LF;
break;
case NewLineOptions.CRLF:
newline = cNewline_CRLF;
break;
}
outputWriter.NewLine = newline;
}
} catch (Exception ex) {
Console.Error.WriteLine("Error: {0}", ex.Message);
if (sourceStream != null) sourceStream.Close();
if (destStream != null) destStream.Close();
return (int)ErrorLevel.FatalError_InvalidArgs;
}
Preprocessor pp = new Preprocessor(options);
if (options.CountReferences) {
return pp.CountReferences(inputReader, sourceDirectory);
} else {
int result = pp.Process(inputReader, sourceDirectory, outputWriter);
try {
outputWriter.Close();
CleanupBadOutput(result, dname);
} catch { }
return result;
}
}
static int PreprocessFile(string sname, string dname, Options options)
{
TextReader inputReader;
TextWriter outputWriter = null;
FileStream sourceStream = null;
FileStream destStream = null;
string sourceDirectory = null;
try {
if (sname == String.Empty)
{
inputReader = Console.In;
}
else
{
sourceStream = new FileStream(sname, FileMode.Open, FileAccess.Read);
inputReader = new StreamReader(sourceStream);
try {
sourceDirectory = Path.GetDirectoryName(Path.GetFullPath(sname));
} catch (Exception ex) {
// This shouldn't happen unless permissions are really screwy, or I've made a terrible mistake.
Console.Error.WriteLine("Non-fatal exception attempting to read source path: " + ex);
}
}
if (options.CountReferences)
{
// When counting references in the input file we don't need an
// output file - the count result is returned as the errorLevel.
}
else
{
if (dname == String.Empty)
{
outputWriter = Console.Out;
}
else
{
// Unicode BOM causes syntax errors in the gettext utils
Encoding utf8WithoutBom = new UTF8Encoding(false);
outputWriter = new StreamWriter(
new FileStream(dname, FileMode.Create, FileAccess.Write),
utf8WithoutBom
);
}
// determine which newline character to use.
string newline = cNewline_Default;
switch (options.NewlinePreference)
{
case NewLineOptions.SameAsSource:
// lookahead in inputReader to see whether the line is broken with LF or CRLF
if (sourceStream != null && sourceStream.CanSeek)
{
long startPosition = sourceStream.Position;
int peekedChar;
while ((peekedChar = sourceStream.ReadByte()) != -1)
{
if (peekedChar == (int)('\n'))
{
// We encountered a LF
newline = cNewline_LF;
break;
}
else if (peekedChar == (int)('\r'))
{
// We encountered a CR
newline = cNewline_CRLF;
break;
}
}
sourceStream.Seek(startPosition, SeekOrigin.Begin);
}
break;
case NewLineOptions.LF:
newline = cNewline_LF;
break;
case NewLineOptions.CRLF:
newline = cNewline_CRLF;
break;
}
outputWriter.NewLine = newline;
}
} catch (Exception ex) {
Console.Error.WriteLine("Error: {0}", ex.Message);
if (sourceStream != null)
{
sourceStream.Close();
}
if (destStream != null)
{
destStream.Close();
}
return((int)ErrorLevel.FatalError_InvalidArgs);
}
Preprocessor pp = new Preprocessor(options);
if (options.CountReferences)
{
return(pp.CountReferences(inputReader, sourceDirectory));
}
else
{
int result = pp.Process(inputReader, sourceDirectory, outputWriter);
try {
outputWriter.Close();
CleanupBadOutput(result, dname);
} catch { }
return(result);
}
}
