/// <summary>
/// Extracts everyting: String literals, method names and identifier names
/// </summary>
/// <param name="text">Text to extract from</param>
/// <returns>List of identifiers</returns>
public virtual IEnumerable <string> ExtractIdentifiersAndStringLiterals(string text)
{
// Step 1 : Remove package declaration
text = RemovePackageDeclarationAndImports(text);
// Step 2: remove keywords
text = RemoveKeywords(text);
// Step 3: Extract String Literals
foreach (string item in ExtractStringLiterals(text))
{
yield return(item);
}
// Step 4: Remove comments and string literals
text = RemoveCommentsAndStringLiterals(text);
// Step 5: now everything is plain source code. remove annotations
text = RemoveAnnotations(text);
// Step 6: remove generic type parameter
text = RemoveGenericTypeParameters(text);
// Step 7: Replace all white space by single
text = WhiteSpaceRegex.Replace(text, RegularExpressions.Space);
MatchCollection methodMatches = MethodDeclarationRegexStringRegex.Matches(text);
IEnumerable <string> methodEnumerable = (from Match match in methodMatches
where match.Groups[1].Value != ""
select match.Groups[1].Value);
foreach (string item in methodEnumerable)
{
yield return(item);
}
MatchCollection variableMatches = VariableDeclarationRegexStringRegex.Matches(text);
foreach (Match match in variableMatches)
{
int group = 1;
while (match.Groups[group].Value != "")
{
IEnumerable <string> variableEnumerable = (from Capture capture in match.Groups[@group].Captures select capture.Value);
foreach (string item in variableEnumerable)
{
yield return(item);
}
group++;
}
}
}
private static bool LooksLikeSql(string str)
{
return(WhiteSpaceRegex.Matches(str)
.Cast <Match>()
.Any(w => SqlKeyWords.Contains(w.Value)));
}
public static string WithoutWhitespace(this string input)
{
return(WhiteSpaceRegex.Replace(input, string.Empty));
}
