private static IEnumerable <SectionBlock> ParseGlobal(TextReader reader)
{
if (reader.Peek() == -1)
{
return(Enumerable.Empty <SectionBlock>());
}
if (GetNextNonEmptyLine(reader) != "Global")
{
throw new Exception();
}
List <SectionBlock> globalSectionBlocks = new List <SectionBlock>();
// The blocks inside here are indented
while (reader.Peek() != -1 && char.IsWhiteSpace((char)reader.Peek()))
{
globalSectionBlocks.Add(SectionBlock.Parse(reader));
}
if (GetNextNonEmptyLine(reader) != "EndGlobal")
{
throw new Exception();
}
// Consume potential empty lines at the end of the global block
while (reader.Peek() != -1 && "\r\n".Contains((char)reader.Peek()))
{
reader.ReadLine();
}
return(globalSectionBlocks);
}
internal static ProjectBlock Parse(TextReader reader)
{
string startLine = reader.ReadLine().TrimStart(null);
LineScanner scanner = new LineScanner(startLine);
if (scanner.ReadUpToAndEat("(\"") != "Project")
{
throw new Exception();
}
Guid projectTypeGuid = Guid.Parse(scanner.ReadUpToAndEat("\")"));
// Read chars up to next quote, must contain "=" with optional leading/trailing whitespaces.
if (scanner.ReadUpToAndEat("\"").Trim() != "=")
{
throw new Exception();
}
string projectName = scanner.ReadUpToAndEat("\"");
// Read chars up to next quote, must contain "," with optional leading/trailing whitespaces.
if (scanner.ReadUpToAndEat("\"").Trim() != ",")
{
throw new Exception();
}
string projectPath = scanner.ReadUpToAndEat("\"");
// Read chars up to next quote, must contain "," with optional leading/trailing whitespaces.
if (scanner.ReadUpToAndEat("\"").Trim() != ",")
{
throw new Exception();
}
Guid projectGuid = Guid.Parse(scanner.ReadUpToAndEat("\""));
List <SectionBlock> projectSections = new List <SectionBlock>();
while (char.IsWhiteSpace((char)reader.Peek()))
{
projectSections.Add(SectionBlock.Parse(reader));
}
// Expect to see "EndProject" but be tolerant with missing tags as in Dev12.
// Instead, we may see either P' for "Project" or 'G' for "Global", which will be handled next.
if (reader.Peek() != 'P' && reader.Peek() != 'G')
{
if (reader.ReadLine() != "EndProject")
{
throw new Exception();
}
}
return(new ProjectBlock(projectTypeGuid, projectName, projectPath, projectGuid, projectSections));
}