From 54df285bf3a45136a2c87eac8ca57e766e5e2f35 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Sun, 10 Oct 2010 17:58:58 +0000
Subject: [PATCH] Core: String::Replace

git-svn-id: svn://ultimatepp.org/upp/trunk@2765 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/Core/AString.hpp | 18 ++++++++++++++++++
 uppsrc/Core/String.h    |  4 ++++
 2 files changed, 22 insertions(+)

diff --git a/uppsrc/Core/AString.hpp b/uppsrc/Core/AString.hpp
index dd03d5d06..bb4e15547 100644
--- a/uppsrc/Core/AString.hpp
+++ b/uppsrc/Core/AString.hpp
@@ -77,6 +77,24 @@ int AString<B>::ReverseFind(int len, const tchar *s, int from) const
 	return -1;
 }
 
+template <class B>
+void AString<B>::Replace(const tchar *find, int findlen, const tchar *replace, int replacelen)
+{
+	String r;
+	int i = 0;
+	const tchar *p = Begin();
+	for(;;) {
+		int j = Find(findlen, find, i);
+		if(j < 0)
+			break;
+		r.Cat(p + i, j - i);
+		r.Cat(replace, replacelen);
+		i = j + findlen;
+	}
+	r.Cat(p + i, GetCount() - i);
+	*this = r;
+}
+
 template <class B>
 int AString<B>::ReverseFind(const tchar *s, int from) const
 {
diff --git a/uppsrc/Core/String.h b/uppsrc/Core/String.h
index 0f97e39f3..8883848d2 100644
--- a/uppsrc/Core/String.h
+++ b/uppsrc/Core/String.h
@@ -94,6 +94,10 @@ public:
 	int    ReverseFind(const tchar *s) const                  { return ReverseFind(s, GetLength()-1);}
 	int    ReverseFind(const String& s) const                 { return ReverseFind(s, GetLength()-1);}
 	
+	void   Replace(const tchar *find, int findlen, const tchar *replace, int replacelen);
+	void   Replace(const String& find, const String& replace) { Replace(~find, find.GetCount(), ~replace, replace.GetCount()); }
+	void   Replace(const tchar *find, const tchar *replace)   { Replace(find, strlen(find), replace, strlen(replace)); }
+	
 	bool   StartsWith(const tchar *s, int len) const;
 	bool   StartsWith(const tchar *s) const                   { return StartsWith(s, strlen__(s)); }
 	bool   StartsWith(const String& s) const                  { return StartsWith(~s, s.GetLength()); }