/// <summary>
/// Finds the entry section and loads the symbols from an array of intermediates.
/// </summary>
/// <param name="allowIdenticalRows">Flag specifying whether identical rows are allowed or not.</param>
/// <param name="messageHandler">Message handler object to route all errors through.</param>
/// <param name="expectedOutputType">Expected entry output type, based on output file extension provided to the linker.</param>
/// <param name="entrySection">Located entry section.</param>
/// <param name="allSymbols">Collection of symbols loaded.</param>
internal void FindEntrySectionAndLoadSymbols(
bool allowIdenticalRows,
IMessageHandler messageHandler,
OutputType expectedOutputType,
out Section entrySection,
out SymbolCollection allSymbols)
{
entrySection = null;
allSymbols = new SymbolCollection();
string outputExtension = Output.GetExtension(expectedOutputType);
SectionType expectedEntrySectionType;
try
{
expectedEntrySectionType = (SectionType)Enum.Parse(typeof(SectionType), expectedOutputType.ToString());
}
catch (ArgumentException)
{
expectedEntrySectionType = SectionType.Unknown;
}
foreach (Section section in this.collection.Keys)
{
if (SectionType.Product == section.Type || SectionType.Module == section.Type || SectionType.PatchCreation == section.Type || SectionType.Patch == section.Type || SectionType.Bundle == section.Type)
{
if (SectionType.Unknown != expectedEntrySectionType && section.Type != expectedEntrySectionType)
{
messageHandler.OnMessage(WixWarnings.UnexpectedEntrySection(section.SourceLineNumbers, section.Type.ToString(), expectedEntrySectionType.ToString(), outputExtension));
}
if (null == entrySection)
{
entrySection = section;
}
else
{
messageHandler.OnMessage(WixErrors.MultipleEntrySections(entrySection.SourceLineNumbers, entrySection.Id, section.Id));
messageHandler.OnMessage(WixErrors.MultipleEntrySections2(section.SourceLineNumbers));
}
}
foreach (Symbol symbol in section.GetSymbols(messageHandler))
{
try
{
Symbol existingSymbol = allSymbols[symbol.Name];
if (null == existingSymbol)
{
allSymbols.Add(symbol);
}
else if (allowIdenticalRows && existingSymbol.Row.IsIdentical(symbol.Row))
{
messageHandler.OnMessage(WixWarnings.IdenticalRowWarning(symbol.Row.SourceLineNumbers, existingSymbol.Name));
messageHandler.OnMessage(WixWarnings.IdenticalRowWarning2(existingSymbol.Row.SourceLineNumbers));
}
else
{
allSymbols.AddDuplicate(symbol);
}
}
catch (DuplicateSymbolsException)
{
// if there is already a duplicate symbol, just
// another to the list, don't bother trying to
// see if there are any identical symbols
allSymbols.AddDuplicate(symbol);
}
}
}
}
