From 0d949cc137bdf8c31607f9943eb814969937ff9a Mon Sep 17 00:00:00 2001
From: Michael Hansen <zrax0111@gmail.com>
Date: Sun, 6 Jan 2013 23:27:19 -0800
Subject: [PATCH] Add plString::Replace

---
 Sources/Plasma/CoreLib/plString.cpp | 23 +++++++++++++++++++++++
 Sources/Plasma/CoreLib/plString.h   |  2 ++
 2 files changed, 25 insertions(+)

diff --git a/Sources/Plasma/CoreLib/plString.cpp b/Sources/Plasma/CoreLib/plString.cpp
index 57c0c422..369f1182 100644
--- a/Sources/Plasma/CoreLib/plString.cpp
+++ b/Sources/Plasma/CoreLib/plString.cpp
@@ -674,6 +674,29 @@ plString plString::Substr(int start, size_t size) const
     return sub;
 }
 
+plString plString::Replace(const char *from, const char *to) const
+{
+    if (IsEmpty() || !from || !from[0])
+        return *this;
+
+    if (!to)
+        to = "";
+
+    plStringStream out;
+    const char *pstart = c_str();
+    const char *pnext;
+    size_t flen = strlen(from), tlen = strlen(to);
+    while (pnext = strstr(pstart, from)) {
+        out.append(pstart, pnext - pstart);
+        out.append(to, tlen);
+        pstart = pnext + flen;
+    }
+
+    if (*pstart)
+        out << pstart;
+    return out.GetString();
+}
+
 plString plString::ToUpper() const
 {
     // TODO:  Unicode-aware case conversion
diff --git a/Sources/Plasma/CoreLib/plString.h b/Sources/Plasma/CoreLib/plString.h
index bfecb1de..598fd588 100644
--- a/Sources/Plasma/CoreLib/plString.h
+++ b/Sources/Plasma/CoreLib/plString.h
@@ -288,6 +288,8 @@ public:
     plString Left(size_t size) const { return Substr(0, size); }
     plString Right(size_t size) const { return Substr(GetSize() - size, size); }
 
+    plString Replace(const char *from, const char *to) const;
+
     // NOTE:  Does Compare(blah, kCaseInsensitive) make more sense?  If
     //        so, use that instead -- it's faster and more efficient!
     plString ToUpper() const;