Merge continued

git-svn-id: svn://ultimatepp.org/upp/trunk@10263 f0d560ea-af0d-0410-9eb7-867de7ffcac7

uppdev/StringFindDemo/main.cpp

@@ -0,0 +1,103 @@
+#include <CtrlLib/CtrlLib.h>
+
+#define LAYOUTFILE <StringFindDemo/StringFindDemo.lay>
+#include <CtrlCore/lay.h>
+
+
+int Find(String &source, const String &pattern, int from = 0)
+{
+	return source.Find(pattern, from);
+}
+
+int ReverseFind(const String &source, const String &pattern, int from = 0)
+{
+	if(from < 0 || pattern.GetLength() > source.GetLength()) return -1;
+	from = min(from, source.GetLength() - pattern.GetLength());
+	while(   from >= 0
+	      && memcmp(source.Begin() + from, pattern.Begin(), pattern.GetLength()) != 0)
+		--from;
+	return from;
+}
+
+bool ContainsAt(const String &source, const String &pattern, int pos = 0)
+{
+	return    pos >= 0
+	       && pos + pattern.GetLength() <= source.GetLength()
+	       && 0 == memcmp(source.Begin() + pos, pattern.Begin(), pattern.GetLength());
+}
+
+bool StartsWith(const String &source, const String &pattern)
+{
+	return ContainsAt(source, pattern, 0);
+}
+
+bool EndsWith(const String &source, const String &pattern)
+{
+	return ContainsAt(source, pattern, source.GetLength() - pattern.GetLength());
+}
+
+
+
+class StringFindDemo : public WithStringFindDemoLayout<TopWindow> {
+public:
+	typedef StringFindDemo CLASSNAME;
+	StringFindDemo();
+	void UpdateResults();
+};
+
+
+StringFindDemo::StringFindDemo()
+{
+	CtrlLayout(*this, "Window title");
+	findString     << THISBACK(UpdateResults);
+	reverseString  << THISBACK(UpdateResults);
+	sourceString   << THISBACK(UpdateResults);
+	containsString << THISBACK(UpdateResults);
+	findFrom       << THISBACK(UpdateResults);
+	reverseFrom    << THISBACK(UpdateResults);
+	containsPos    << THISBACK(UpdateResults);
+	sourceString.SetData("testString");
+	findFrom.SetData(0);
+	reverseFrom.SetData(0);
+	containsPos.SetData(0);
+	UpdateResults();
+}
+
+
+void StringFindDemo::UpdateResults()
+{
+	String source = ~sourceString;
+	String find = AsString(~findString);
+	String reverse = AsString(~reverseString);
+	String contains = AsString(~containsString);
+	int ffrom = ~findFrom;
+	int rfrom = ~reverseFrom;
+	int cpos = ~containsPos;
+
+	if(ffrom >= 0 && ffrom < source.GetLength()) {
+	  int findPos = Find(source, find, ffrom);
+	  findResult.SetText( Sprintf("%d", findPos) );
+	}
+	else
+	  findResult.SetText("ASSERT");
+
+	if(rfrom >= 0 && rfrom < source.GetLength()) {
+	  int reversePos = ReverseFind(source, reverse, ~reverseFrom);
+	  reverseResult.SetText( Sprintf("%d", reversePos) );
+	}
+	else
+	  reverseResult.SetText("ASSERT");
+
+	if(cpos >= 0) {
+	   bool c = ContainsAt(source, contains, cpos);
+	   containsResult.SetText( c ? "true" : "false" );
+	}
+	else
+	  containsResult.SetText("ASSERT");
+}
+
+
+GUI_APP_MAIN
+{
+	StringFindDemo().Run();
+}