reference: RegExp2 reference example

git-svn-id: svn://ultimatepp.org/upp/trunk@5837 f0d560ea-af0d-0410-9eb7-867de7ffcac7

reference/RegExp2/RegExp2.upp

@@ -0,0 +1,13 @@
+description "PCRE regular expressions - more complex example\377";
+
+uses
+	CtrlLib,
+	plugin/pcre;
+
+file
+	main.cpp,
+	RegExpExtDemoLayout.lay;
+
+mainconfig
+	"" = "GUI";
+

reference/RegExp2/RegExpExtDemoLayout.lay

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+LAYOUT(mainwindow, 500, 452)
+	ITEM(EditString, t1, HSizePosZ(104, 5).TopPosZ(64, 24))
+	ITEM(EditString, t2, HSizePosZ(104, 5).TopPosZ(92, 24))
+	ITEM(EditString, t3, HSizePosZ(104, 5).TopPosZ(120, 24))
+	ITEM(LineEdit, t4, HSizePosZ(4, 6).VSizePosZ(234, 6))
+	ITEM(Label, l1, SetLabel(t_("Source Text:")).SetAlign(ALIGN_RIGHT).LeftPosZ(0, 100).TopPosZ(64, 19))
+	ITEM(Label, l2, SetLabel(t_("Regular Expression:")).SetAlign(ALIGN_RIGHT).LeftPosZ(0, 100).TopPosZ(92, 19))
+	ITEM(Label, l3, SetLabel(t_("Replace Text:")).SetAlign(ALIGN_RIGHT).LeftPosZ(0, 100).TopPosZ(120, 20))
+	ITEM(Label, l4, SetLabel(t_("Load Preset Tests:")).SetAlign(ALIGN_RIGHT).LeftPosZ(8, 100).TopPosZ(20, 19))
+	ITEM(Label, l5, SetLabel(t_("Options:")).SetAlign(ALIGN_RIGHT).LeftPosZ(0, 100).TopPosZ(148, 19))
+	ITEM(Button, b1, SetLabel(t_("Run")).RightPosZ(8, 100).TopPosZ(188, 32))
+	ITEM(Button, b2, SetLabel(t_("Clear")).RightPosZ(116, 108).TopPosZ(188, 32))
+	ITEM(DropList, d1, LeftPosZ(112, 128).TopPosZ(20, 22))
+	ITEM(LabelBox, dv___12, LeftPosZ(4, 260).TopPosZ(4, 52))
+	ITEM(DropList, d2, LeftPosZ(104, 232).TopPosZ(148, 23))
+	ITEM(Option, o1, NotNull(true).SetLabel(t_("Global")).LeftPosZ(396, 88).TopPosZ(148, 16))
+END_LAYOUT
+

reference/RegExp2/init

@@ -0,0 +1,5 @@
+#ifndef _RegExp2_icpp_init_stub
+#define _RegExp2_icpp_init_stub
+#include "CtrlLib/init"
+#include "plugin/pcre/init"
+#endif

reference/RegExp2/main.cpp

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+#include <CtrlLib/CtrlLib.h>
+#include <plugin/pcre/Pcre.h>
+
+using namespace Upp;
+
+#define LAYOUTFILE <RegExp2/RegExpExtDemoLayout.lay>
+#include <CtrlCore/lay.h>
+
+class mainwindowDlg : public Withmainwindow<TopWindow> {
+	typedef mainwindowDlg CLASSNAME;
+	
+public:
+	mainwindowDlg();
+	void RunRegExp();
+	void clear_output(){t4.Clear();}
+	void d1_callback(){ Set_Examples((int)d1.GetData()); }
+	void Set_Examples(int i);
+	
+	void match_callback_fun(Vector<String>& v){	
+		for(int i=0, i1=v.GetCount(); i<i1; i++)
+			v[i]=Format("Match%d",i+1);
+	}
+};
+
+mainwindowDlg::mainwindowDlg()
+{
+	CtrlLayout(*this, "RegExp Extension Demo");
+	Sizeable().Zoomable();
+	HCenterPos(800).VCenterPosZ(400);
+	
+	
+	for(int i=1; i<6; i++)
+		d1.Add(i, Format("TEST-%d",i));
+	
+	d2.Add(1, "Disable Resolving Back-Reference")
+	  .Add(2, "Enable Resolving Back-Reference")
+	  .Add(3, "Use Callback Function");
+	
+	
+	d1<<=THISBACK(d1_callback);
+	b1<<=THISBACK(RunRegExp);
+	b2<<=THISBACK(clear_output);
+
+	d1.SetData(4);
+	d1_callback();
+
+}
+
+void mainwindowDlg::RunRegExp()
+{
+	RegExp regx;
+	RegExp reg("\\((.*?)\\)");
+	
+	String t(t1.GetData());
+	
+	int n=-101;
+
+	
+	switch((int)d2.GetData()){
+		
+		case 1:	// no backref resolved
+		
+			regx.SetPattern(t2.GetData());
+			
+			if((int)o1.GetData() == 0)
+				 n=regx.Replace(t, (String)t3.GetData());
+			else n=regx.ReplaceGlobal(t, (String)t3.GetData());
+			
+		break;
+
+		case 2:	// backref resolved
+		
+			regx.SetPattern(t2.GetData());
+			
+			if((int)o1.GetData() == 0)
+				 n=regx.Replace(t, (String)t3.GetData(), true);
+			else n=regx.ReplaceGlobal(t, (String)t3.GetData(), true);
+			
+		break;
+				
+		case 3: // using callback funtion
+		
+			regx.SetPattern(t2.GetData());
+			
+			if((int)o1.GetData() == 0)
+				 n=regx.Replace(t, THISBACK(match_callback_fun));
+			else n=regx.ReplaceGlobal(t, THISBACK(match_callback_fun));
+			
+		break;			
+	};
+		
+	
+	
+	String output(t4.Get());
+	
+	output
+	      <<"Regular Expression:["<<t2.GetData()
+	      <<"]\nReplacement Count="<<n
+	      <<"\nInput: "<<t1.GetData()
+	      <<"\nOutput: "<<t<<"\n\n\n";
+	      
+	t4.Set(output);
+	t4.ScrollEnd();	
+}
+
+
+void mainwindowDlg::Set_Examples(int i)
+{
+	switch(i){
+		
+		case 1:	
+			t1.SetData("A QUICK BROWN FOX JUMPS OVER THE LAZY DOG")	;
+			t2.SetData("(\\w)");
+			t3.SetData("(#)");
+			d2.SetData(1);
+		break;
+					
+		case 2:
+			t1.SetData("31-1-2000 13-2-2010 1-12-2012");
+			t2.SetData("(\\d+)-(\\d+)-(\\d+)");
+			t3.SetData("(\\2)(\\1)(\\3)");		
+			d2.SetData(2);
+			o1.SetData(true);
+		break;
+		
+		case 3:
+			t1.SetData("A QUICK BROWN FOX JUMPS OVER THE LAZY DOG");
+			t2.SetData("(QUICK)");
+			t3.SetData("(SLOW)");		
+			d2.SetData(1);
+		break;		
+		
+		case 4:
+			t1.SetData("A QUICK BROWN FOX JUMPS OVER THE LAZY DOG");
+			t2.SetData("(QUICK)\\s+(BROWN)");
+			t3.SetData("(\\2ISH)(\\1)");		
+			d2.SetData(2);
+		break;
+					
+		
+		case 5:
+			t1.SetData("A QUICK BROWN FOX JUMPS OVER THE LAZY DOG");
+			t2.SetData("(\\w+)");
+			t3.SetData("THIS IS EXAMPLE OF THE USE OF CALLBACK FUNCTION");		
+			d2.SetData(3);				
+		break;
+	}
+
+}
+
+
+
+GUI_APP_MAIN
+{
+	mainwindowDlg w;
+	
+	w.Run();
+	
+}