public static Interfaces GetInterfaceObjects(string path)
{
List <string> file = ValidationHelper.ReadAllLines(path);
Interfaces interfaces = ParseInterfaceNames(file);
ParseInterfaceBody(file, interfaces);
return(interfaces);
}
public void ValidateInterfaces()
{
List <string> files = GetFileList();
bool success = true;
foreach (string file in files)
{
LogHelper.Log("File {0} :", file);
string curPath = ExtractFilePath(file, string.Empty, false);
Interfaces curInterfaces = ValidationHelper.GetInterfaceObjects(curPath);
List <string> versions = GetVersionList();
foreach (string version in versions)
{
LogHelper.Log("Version {0} :", version);
string prePath = ExtractFilePath(file, version, true);
Interfaces preInterfaces = ValidationHelper.GetInterfaceObjects(prePath);
LogHelper.Log("**************************************************************************");
LogHelper.Log("Comparing Interfaces:");
List <string> differences = preInterfaces.Compare(curInterfaces);
success &= (differences == null || differences.Count == 0);
LogHelper.Log("{0} interfaces are different.", (differences == null) ? 0 : differences.Count);
LogHelper.Log("Comparing Guid:");
if (curInterfaces != null && curInterfaces.SameGuidInterfaces.Count > 0)
{
success &= false;
foreach (KeyValuePair <Guid, List <string> > id in curInterfaces.SameGuidInterfaces)
{
LogHelper.Log("Guid id {0} is used in interfaces :", id.Key);
foreach (string s in id.Value)
{
LogHelper.Log(s);
}
}
}
LogHelper.Log("{0} Guids are duplicated.", curInterfaces.SameGuidInterfaces.Count);
LogHelper.Log("**************************************************************************");
}
}
Assert.IsTrue(success, "Comparison completed. No interface is changed. No Guid is duplicated.");
}
/// <summary>
/// Read "Forward Declarations" of .h file and parse interface names
/// </summary>
/// <param name="lines">Content of .h file</param>
/// <returns>InterfaceObject collection which has names</returns>
public static Interfaces ParseInterfaceNames(List <string> lines)
{
LogHelper.Log("Start getting interfaces:");
Interfaces interfaces = new Interfaces();
const string sFlag = "/* Forward Declarations */";
const string eFlag = "/* header files for imported files */";
const string match = "typedef interface";
const char space = ' ';
int i = 0;
// Read till "Forward Declarations"
while (i < lines.Count && lines[i] != sFlag)
{
i++;
continue;
}
// Get interface name if that line contains key words "typedef interface"
// Skip duplicated ones
while (i < lines.Count && lines[i] != eFlag)
{
if (lines[i].Contains(match))
{
string name = lines[i].Split(space)[2];
if (!interfaces.ContainsName(name))
{
interfaces.Add(name, null);
}
}
i++;
}
LogHelper.Log("Completed getting interfaces: {0} interfaces.", interfaces.Count);
return(interfaces);
}
/// <summary>
/// Compare interfaces which defined in previous release with current build
/// If it is found, compare the interface
/// If the content of same interface are differrent
/// Compare and output the different methods
/// </summary>
/// <param name="target">Interfaces Object</param>
/// <returns>Differences of interfaces</returns>
public List <string> Compare(Interfaces target)
{
if (this.Count == 0 || target == null || target.Count == 0)
{
return(null);
}
List <string> differences = new List <string>();
// Search interfaces which defined in previous release from current build
// If it is found, compare the interface
// If the content of same interface are differrent
// Compare and output the different methods
foreach (KeyValuePair <string, InterfaceObject> pair in this.infos)
{
string name = pair.Key;
if (target.infos.ContainsKey(name))
{
InterfaceObject cur = target[name];
InterfaceObject pre = pair.Value;
if (!pre.Equals(cur))
{
Methods curMethods = ValidationHelper.ParseMethodInformation(cur.CplusplusContent);
Methods preMethods = ValidationHelper.ParseMethodInformation(pre.CplusplusContent);
string difference = preMethods.Compare(curMethods);
LogHelper.Log("Differences of {0}:", name);
LogHelper.Log(difference);
differences.Add(difference);
}
}
}
return(differences);
}
/// <summary>
/// Read all content of .h and parse interface body
/// </summary>
/// <param name="lines">Content of .h file</param>
/// <param name="interfaces">InterfaceObject collection</param>
public static void ParseInterfaceBody(List <string> lines, Interfaces interfaces)
{
LogHelper.Log("Start parsing interface content:");
const string sFlag = "MIDL_INTERFACE";
const string cplusplusEFlag = "};";
const string cEnd = "Vtbl;";
const char space = ' ';
// Parse Guid
// MIDL_INTERFACE("
const int startIndex = 16;
// skip to C++ interface body
const int cppCursor = 2;
// skip to C interface body
const int cCursor = 4;
Dictionary <Guid, string> ids = new Dictionary <Guid, string>();
int i = 0;
while (i < lines.Count)
{
// Read till interface definition
if (!lines[i].Contains(sFlag))
{
i++;
continue;
}
InterfaceObject ic = new InterfaceObject();
string line = lines[i++];
string guid = line.Substring(startIndex, line.Length - startIndex - 2);
Guid id = new Guid(guid);
ic.ID = id;
StringBuilder sb = new StringBuilder();
// Parse interface name
string name = lines[i].Split(space)[0];
ic.Name = name;
// Save Guid and interfaces to dictionary
if (!ids.ContainsKey(id))
{
ids.Add(id, name);
}
else if (interfaces.SameGuidInterfaces.ContainsKey(id))
{
interfaces.SameGuidInterfaces[id].Add(name);
}
else
{
interfaces.SameGuidInterfaces.Add(id, new List <string>()
{
ids[id]
});
interfaces.SameGuidInterfaces[id].Add(name);
}
// skip to methods
i += cppCursor;
while (i < lines.Count && !lines[i].Contains(cplusplusEFlag))
{
sb.AppendLine(lines[i++]);
}
ic.CplusplusContent = sb.ToString();
// skip to BEGIN_INTERFACE
i += cCursor;
sb.Clear();
while (i < lines.Count && !lines[i].Contains(cEnd))
{
sb.AppendLine(lines[i]);
i++;
}
ic.CContent = sb.ToString();
if (interfaces.ContainsName(name))
{
interfaces[name] = ic;
}
i++;
}
LogHelper.Log("Complete parsing interface content.");
}