private void PushLevel(bool inheritMime)
{
if (parseStack == null || this.Depth == parseStack.Length) {
var parseLevelArray = new ParseLevel[parseStack == null ? 4 : parseStack.Length*2];
if (parseStack != null)
System.Array.Copy(parseStack, 0, parseLevelArray, 0, this.Depth);
for (var index = 0; index < this.Depth; ++index) {
parseStack[index] = new ParseLevel();
}
parseStack = parseLevelArray;
}
if (currentLevel.ContentType != MajorContentType.MessageRfc822)
currentLevel.PartDepth = this.Depth == 0 ? 1 : parseStack[this.Depth - 1].PartDepth + 1;
parseStack[this.Depth++] = currentLevel;
currentLevel.Reset(!inheritMime);
state = ParseState.Headers;
firstHeader = true;
}
private MimeToken ProcessEOF()
{
if (this.InlineFormat != ContentTransferEncoding.Unknown) {
this.ComplianceStatus |= MimeComplianceStatus.MissingBoundary;
this.InlineFormat = ContentTransferEncoding.Unknown;
return new MimeToken(MimeTokenId.InlineEnd, 0);
}
if (this.Depth != 0) {
currentLevel = parseStack[--this.Depth];
currentLevel.Epilogue = true;
parseStack[this.Depth].Reset(false);
if (currentLevel.ContentType == MajorContentType.MessageRfc822)
return new MimeToken(MimeTokenId.EmbeddedEnd, 0);
this.ComplianceStatus |= MimeComplianceStatus.MissingBoundary;
return new MimeToken(MimeTokenId.NestedEnd, 0);
}
state = ParseState.EndOfFile;
currentLevel.Reset(true);
return new MimeToken(MimeTokenId.EndOfFile, 0);
}
public OutputViewVM()
{
_parseLevels = new ParseLevel();
_mainView = new MainView(this);
}
private MimeToken ProcessBoundary(int start, int line, int nextNL, int sizeNL)
{
if (nextBoundaryLevel < 0) {
lineOffset = 0;
currentOffset = 0;
if (!nextBoundaryEnd) {
this.InlineFormat = nextBoundaryLevel == -100 ? ContentTransferEncoding.UUEncode : ContentTransferEncoding.BinHex;
nextBoundaryLevel = -1;
lastTokenLength = nextNL + sizeNL - start;
return new MimeToken(MimeTokenId.InlineStart, lastTokenLength);
}
this.InlineFormat = ContentTransferEncoding.Unknown;
nextBoundaryLevel = -1;
lastTokenLength = nextNL + sizeNL - start;
return new MimeToken(MimeTokenId.InlineEnd, lastTokenLength);
}
if (nextBoundaryLevel == this.Depth) {
lineOffset = 0;
currentOffset = 0;
nextBoundaryLevel = -1;
this.PushLevel(true);
lastTokenLength = nextNL + sizeNL - start;
return new MimeToken(MimeTokenId.NestedStart, lastTokenLength);
}
if (nextBoundaryLevel == this.Depth - 1) {
if (currentLevel.ContentType == MajorContentType.Multipart && !currentLevel.Epilogue)
this.ComplianceStatus |= MimeComplianceStatus.MissingBoundary;
lineOffset = 0;
currentOffset = 0;
nextBoundaryLevel = -1;
if (nextBoundaryEnd) {
currentLevel = parseStack[--this.Depth];
currentLevel.Epilogue = true;
parseStack[this.Depth].Reset(false);
lastTokenLength = nextNL + sizeNL - start;
return new MimeToken(MimeTokenId.NestedEnd, lastTokenLength);
}
currentLevel.Reset(false);
state = ParseState.Headers;
firstHeader = true;
lastTokenLength = nextNL + sizeNL - start;
return new MimeToken(MimeTokenId.NestedNext, lastTokenLength);
}
lineOffset = line - start;
currentOffset = nextNL - start;
if (this.InlineFormat != ContentTransferEncoding.Unknown) {
this.ComplianceStatus |= MimeComplianceStatus.MissingBoundary;
this.InlineFormat = ContentTransferEncoding.Unknown;
return new MimeToken(MimeTokenId.InlineEnd, 0);
}
currentLevel = parseStack[--this.Depth];
currentLevel.Epilogue = true;
parseStack[this.Depth].Reset(false);
if (currentLevel.ContentType == MajorContentType.MessageRfc822)
return new MimeToken(MimeTokenId.EmbeddedEnd, 0);
this.ComplianceStatus |= MimeComplianceStatus.MissingBoundary;
return new MimeToken(MimeTokenId.NestedEnd, 0);
}
internal void Parse(ParseLevel level, List <IExpression> list)
{
Parse(_parsers[level], list);
}
