/// <summary>
/// Append definitions recognized in a header file.
/// </summary>
/// <param name="path">
/// A <see cref="System.String"/> that specified the path of the header file.
/// </param>
public void AppendHeader(string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
string headerText;
// Read the whole header
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read)) {
using (StreamReader sr = new StreamReader(fs)) {
headerText = sr.ReadToEnd();
}
}
// Remove comments
string inlineComment = @"//(.*?)\r?\n";
string blockComment = @"/\*(.*?)\*/";
headerText = Regex.Replace(headerText, String.Format("{0}|{1}", inlineComment, blockComment), delegate(Match match) {
if (match.Value.StartsWith("/*"))
{
return(String.Empty);
}
if (match.Value.StartsWith("//"))
{
return(Environment.NewLine);
}
return(match.Value);
}, RegexOptions.Singleline);
// Extract C preprocessor #define directives
string defineDirective = @"#define (?<Symbol>[\w\d_]+) +(?<Value>.*)\r?\n";
EnumerantBlock definesBlock = new EnumerantBlock();
definesBlock.Group = "Defines";
headerText = Regex.Replace(headerText, defineDirective, delegate(Match match) {
// Collect symbol/value
if (match.Value.StartsWith("#define "))
{
Enumerant enumerant = new Enumerant();
enumerant.Name = match.Groups["Symbol"].Value;
enumerant.Value = match.Groups["Value"].Value;
enumerant.ParentEnumerantBlock = definesBlock;
definesBlock.Enums.Add(enumerant);
// Collect enumerant
_Enumerants.Add(enumerant);
return(String.Empty);
}
return(match.Value);
}, RegexOptions.Multiline);
// Remove no more necessary C preprocessor
string preprocessorDirective = @"#(if|ifndef|else|endif|define|include) ?.*\r?\n";
headerText = Regex.Replace(headerText, preprocessorDirective, String.Empty);
// Remove new lines
headerText = Regex.Replace(headerText, @"\r?\n", String.Empty);
// Remove structures typedefs
string structTypedef = @"typedef struct ?\{(.*?)\}( +?)(.*?);";
headerText = Regex.Replace(headerText, structTypedef, String.Empty);
// Remove multiple spaces
headerText = Regex.Replace(headerText, @" +", " ");
// Extract extern "C" scope
string externBlock = "extern \"C\" {";
if (headerText.StartsWith(externBlock))
{
headerText = headerText.Substring(externBlock.Length, headerText.Length - externBlock.Length - 1);
}
// Split into statements
string[] statements = Regex.Split(headerText, ";");
foreach (string statement in statements)
{
Match match;
// Parse enumeration block
if ((match = Regex.Match(statement, @"typedef enum ?\{(?<Enums>.*)\}( +?)(?<Tag>[\w\d_]+)")).Success)
{
string name = match.Groups["Tag"].Value;
if (Regex.IsMatch(name, "WF(C|D)boolean"))
{
continue;
}
#region Enumeration
EnumerantBlock enumerantBlock = new EnumerantBlock();
enumerantBlock.Group = "WFD_VERSION_1_0";
EnumerantGroup enumerantGroup = new EnumerantGroup();
enumerantGroup.Name = name;
// Parse enumerations
string[] enumValues = Regex.Split(match.Groups["Enums"].Value, ",");
for (int i = 0; i < enumValues.Length; i++)
{
string enumValue = enumValues[i].Trim();
if ((match = Regex.Match(enumValue, @"(?<Name>(\w|_)+) = (?<Value>.*)")).Success)
{
Enumerant enumerant = new Enumerant();
enumerant.Name = match.Groups["Name"].Value;
enumerant.Value = match.Groups["Value"].Value;
enumerant.ParentEnumerantBlock = enumerantBlock;
enumerantBlock.Enums.Add(enumerant);
enumerantGroup.Enums.Add(enumerant);
// Collect enumerant
_Enumerants.Add(enumerant);
}
}
_Groups.Add(enumerantGroup);
#endregion
continue;
}
else if ((match = Regex.Match(statement, @"WF(D|C)_API_CALL (?<Return>.*) WF(D|C)_APIENTRY (?<Name>.*)\((?<Args>.*)\) WF(D|C)_APIEXIT")).Success)
{
#region Command
Command command = new Command();
command.Prototype = new CommandPrototype();
command.Prototype.Type = match.Groups["Return"].Value;
command.Prototype.Name = match.Groups["Name"].Value;
string[] args = Regex.Split(match.Groups["Args"].Value, ",");
for (int i = 0; i < args.Length; i++)
{
string arg = args[i].Trim();
// '*' denotes types, not names
arg = arg.Replace(" **", "** ");
arg = arg.Replace(" *", "* ");
if ((match = Regex.Match(arg, @"(?<Type>(\w|_|\*)+) (?<Name>[\w\d_]+)$")).Success)
{
CommandParameter commandParameter = new CommandParameter();
commandParameter.Name = match.Groups["Name"].Value;
commandParameter.Type = match.Groups["Type"].Value;
command.Parameters.Add(commandParameter);
}
else
{
throw new InvalidOperationException(String.Format("unable to parse argument '{0}'", arg));
}
}
_Commands.Add(command);
#endregion
}
}
Feature wfdVersion1 = new Feature();
FeatureCommand wfdVersion1Feature = new FeatureCommand();
wfdVersion1.Name = String.Format("{0}_VERSION_1_0", Class.ToUpperInvariant());
wfdVersion1.Api = Class.ToLowerInvariant();
wfdVersion1.Number = "1.0";
wfdVersion1.Requirements.Add(wfdVersion1Feature);
wfdVersion1Feature.Enums.AddRange(_Enumerants.ConvertAll(delegate(Enumerant input) {
return(new FeatureCommand.Item(input.Name));
}));
wfdVersion1Feature.Commands.AddRange(_Commands.ConvertAll(delegate(Command input) {
return(new FeatureCommand.Item(input.Prototype.Name));
}));
_Features.Add(wfdVersion1);
}
/// <summary>
/// Append definitions recognized in a header file.
/// </summary>
/// <param name="path">
/// A <see cref="System.String"/> that specified the path of the header file.
/// </param>
public void AppendHeader(string path, string headerFeatureName)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
string headerText;
// Read the whole header
using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read)) {
using (StreamReader sr = new StreamReader(fs)) {
headerText = sr.ReadToEnd();
}
}
// Remove comments
string inlineComment = @"//(.*?)\r?\n";
string blockComment = @"/\*(.*?)\*/";
headerText = Regex.Replace(headerText, String.Format("{0}|{1}", inlineComment, blockComment), delegate(Match match) {
if (match.Value.StartsWith("/*"))
{
return(String.Empty);
}
if (match.Value.StartsWith("//"))
{
return(Environment.NewLine);
}
return(match.Value);
}, RegexOptions.Singleline);
// Extract C preprocessor #define directives
string defineDirective = @"#define (?<Symbol>[\w\d_]+) +(?<Value>.*)\r?\n";
EnumerantBlock definesBlock = new EnumerantBlock();
definesBlock.Group = "Defines";
headerText = Regex.Replace(headerText, defineDirective, delegate(Match match) {
// Collect symbol/value
if (match.Value.StartsWith("#define "))
{
Enumerant enumerant = new Enumerant();
// Replace enumeration macros
string enumDefinition = ReplaceEnumMacros(match.Groups["Value"].Value.Trim());
// Replace constants in enumeration value
enumDefinition = ReplaceEnumConstants(enumDefinition);
enumerant.Name = match.Groups["Symbol"].Value.Trim();
enumerant.Value = enumDefinition;
enumerant.ParentEnumerantBlock = definesBlock;
bool useDefine = true;
if (enumerant.Value.StartsWith("__"))
{
useDefine = false;
}
if (enumerant.Value.StartsWith("{") && enumerant.Value.EndsWith("}"))
{
useDefine = false;
}
if (useDefine)
{
definesBlock.Enums.Add(enumerant);
// Collect enumerant
_Enumerants.Add(enumerant);
}
return(String.Empty);
}
return(match.Value);
}, RegexOptions.Multiline);
// Remove no more necessary C preprocessor
string preprocessorDirective = @"#(if|ifndef|else|endif|define|include) ?.*\r?\n";
headerText = Regex.Replace(headerText, preprocessorDirective, String.Empty);
// Remove new lines
headerText = Regex.Replace(headerText, @"\r?\n", String.Empty);
// Remove structures typedefs
string structTypedef = @"typedef struct ?\{(.*?)\}( +?)(.*?);";
headerText = Regex.Replace(headerText, structTypedef, String.Empty);
// Remove multiple spaces
headerText = Regex.Replace(headerText, @" +", " ");
// Extract extern "C" scope
string externBlock = "extern \"C\" {";
if (headerText.StartsWith(externBlock))
{
headerText = headerText.Substring(externBlock.Length, headerText.Length - externBlock.Length - 1);
}
// Split into statements
string[] statements = Regex.Split(headerText, ";");
foreach (string statement in statements)
{
Match match;
// Parse enumeration block
if ((match = Regex.Match(statement, @"(typedef )?enum(?<Name> [\w\d_]+)? ?\{(?<Enums>.*)\}(?<Tag> +?[\w\d_]+)?")).Success)
{
string name;
if (match.Groups["Tag"].Success)
{
name = match.Groups["Tag"].Value.Trim();
}
else if (match.Groups["Name"].Success)
{
name = match.Groups["Name"].Value.Trim();
}
else
{
throw new InvalidOperationException("unable to determine name of enum");
}
if (Regex.IsMatch(name, "WF(C|D)boolean"))
{
continue;
}
#region Enumeration
// Skip enumeration if required
CommandFlagsDatabase.EnumerantItem enumItem = CommandFlagsDatabase.FindEnumerant(name);
if (enumItem != null && enumItem.Disable)
{
continue;
}
EnumerantBlock enumerantBlock = new EnumerantBlock();
enumerantBlock.Group = headerFeatureName;
EnumerantGroup enumerantGroup = new EnumerantGroup();
enumerantGroup.Name = name;
// Override name
if (enumItem != null && enumItem.Alias != null)
{
enumerantGroup.Name = enumItem.Alias;
}
// Replace enumeration macros
string enumDefinition = ReplaceEnumMacros(match.Groups["Enums"].Value);
// Replace constants in enumeration value
enumDefinition = ReplaceEnumConstants(enumDefinition);
// Parse enumerations
string[] enumValues = Regex.Split(enumDefinition, ",");
for (int i = 0; i < enumValues.Length; i++)
{
string enumValue = enumValues[i].Trim();
if ((match = Regex.Match(enumValue, @"(?<Name>(\w|_)+)\s*=\s*(?<Value>.*)")).Success)
{
Enumerant enumerant = new Enumerant();
enumerant.Name = match.Groups["Name"].Value;
enumerant.Value = match.Groups["Value"].Value.Trim();
enumerant.ParentEnumerantBlock = enumerantBlock;
enumerantBlock.Enums.Add(enumerant);
enumerantGroup.Enums.Add(enumerant);
// Collect enumerant
_Enumerants.Add(enumerant);
}
}
_Groups.Add(enumerantGroup);
#endregion
continue;
}
else if ((match = Regex.Match(statement, CommandExportRegex + @"(?<Return>.*) " + CommandCallConventionRegex + @"(?<Name>.*)\((?<Args>.*)\)" + CommandExitRegex)).Success)
{
#region Command
Command command = new Command();
command.Prototype = new CommandPrototype();
command.Prototype.Type = match.Groups["Return"].Value;
command.Prototype.Name = match.Groups["Name"].Value;
string[] args = Regex.Split(match.Groups["Args"].Value, ",");
for (int i = 0; i < args.Length; i++)
{
string arg = args[i].Trim();
if (arg == String.Empty)
{
break;
}
// '*' denotes types, not names
arg = arg.Replace(" **", "** ");
arg = arg.Replace(" *", "* ");
if ((match = Regex.Match(arg, @"(const +)?(?<Type>(\w|_|\* (const)?|\*)+) +(?<Name>[\w\d_]+)(?<ArraySize>\[([\w\d_]+)?\])?$")).Success)
{
string arraySize = match.Groups["ArraySize"].Success ? match.Groups["ArraySize"].Value : null;
CommandParameter commandParameter = new CommandParameter();
commandParameter.Name = match.Groups["Name"].Value;
commandParameter.Type = arraySize != null ? match.Groups["Type"].Value + "*" : match.Groups["Type"].Value;
command.Parameters.Add(commandParameter);
}
else if (arg == "...")
{
CommandParameter commandParameter = new CommandParameter();
commandParameter.Name = "vaArgs";
commandParameter.Type = "IntPtr";
command.Parameters.Add(commandParameter);
}
else
{
throw new InvalidOperationException(String.Format("unable to parse argument '{0}'", arg));
}
}
_Commands.Add(command);
#endregion
}
}
Feature headerFeature = _Features.Find(delegate(Feature item) { return(item.Name == headerFeatureName); });
if (headerFeature == null)
{
headerFeature = new Feature();
headerFeature.Name = headerFeatureName;
headerFeature.Api = Class.ToLowerInvariant();
_Features.Add(headerFeature);
}
FeatureCommand headerFeatureCommand = new FeatureCommand();
headerFeature.Requirements.Add(headerFeatureCommand);
headerFeatureCommand.Enums.AddRange(_Enumerants.ConvertAll(delegate(Enumerant input) {
return(new FeatureCommand.Item(input.Name));
}));
headerFeatureCommand.Commands.AddRange(_Commands.ConvertAll(delegate(Command input) {
return(new FeatureCommand.Item(input.Prototype.Name));
}));
}
