Implement case mapping using the Unicode default case mapping algorithm.

runtime/vm/object.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "vm/assert.h"
 #include "vm/dart.h"
 #include "vm/globals.h"
@@ skipping 2346 matching lines @@
                               Heap::Space space = Heap::kNew);
 
   static RawString* SubString(const String& str,
                               intptr_t begin_index,
                               Heap::Space space = Heap::kNew);
   static RawString* SubString(const String& str,
                               intptr_t begin_index,
                               intptr_t length,
                               Heap::Space space = Heap::kNew);
 
+  static RawString* Transform(int32_t (*mapping)(int32_t ch),
+                              const String& str,
+                              Heap::Space space = Heap::kNew);
+
+  static RawString* ToUpperCase(const String& str,
+                                Heap::Space space = Heap::kNew);
+  static RawString* ToLowerCase(const String& str,
+                                Heap::Space space = Heap::kNew);
+
   static RawString* NewSymbol(const char* str);
   template<typename T>
   static RawString* NewSymbol(const T* characters, intptr_t len);
   static RawString* NewSymbol(const String& str);
   static RawString* NewSymbol(const String& str,
                               intptr_t begin_index,
                               intptr_t length);
 
  protected:
   bool HasHash() const {
@@ skipping 51 matching lines @@
                                   Heap::Space space);
   static RawOneByteString* ConcatAll(const Array& strings,
                                      intptr_t len,
                                      Heap::Space space);
 
   static RawOneByteString* SubString(const OneByteString& str,
                                      intptr_t begin_index,
                                      intptr_t length,
                                      Heap::Space space);
 
+  static RawOneByteString* Transform(int32_t (*mapping)(int32_t ch),
+                                     const String& str,
+                                     Heap::Space space);
+
  private:
   uint8_t* CharAddr(intptr_t index) const {
     // TODO(iposva): Determine if we should throw an exception here.
     ASSERT((index >= 0) && (index < Length()));
     return &raw_ptr()->data_[index];
   }
 
   HEAP_OBJECT_IMPLEMENTATION(OneByteString, String);
   friend class Class;
   friend class String;
@@ skipping 31 matching lines @@
                                   Heap::Space space);
   static RawTwoByteString* ConcatAll(const Array& strings,
                                      intptr_t len,
                                      Heap::Space space);
 
   static RawTwoByteString* SubString(const TwoByteString& str,
                                      intptr_t begin_index,
                                      intptr_t length,
                                      Heap::Space space);
 
+  static RawTwoByteString* Transform(int32_t (*mapping)(int32_t ch),
+                                     const String& str,
+                                     Heap::Space space);
+
  private:
   uint16_t* CharAddr(intptr_t index) const {
     ASSERT((index >= 0) && (index < Length()));
     return &raw_ptr()->data_[index];
   }
 
   HEAP_OBJECT_IMPLEMENTATION(TwoByteString, String);
   friend class Class;
   friend class String;
 };
@@ skipping 27 matching lines @@
                                    Heap::Space space);
   static RawFourByteString* ConcatAll(const Array& strings,
                                       intptr_t len,
                                       Heap::Space space);
 
   static RawFourByteString* SubString(const FourByteString& str,
                                       intptr_t begin_index,
                                       intptr_t length,
                                       Heap::Space space);
 
+  static RawFourByteString* Transform(int32_t (*mapping)(int32_t ch),
+                                      const String& str,
+                                      Heap::Space space);
+
  private:
   uint32_t* CharAddr(intptr_t index) const {
     ASSERT((index >= 0) && (index < Length()));
     return &raw_ptr()->data_[index];
   }
 
   HEAP_OBJECT_IMPLEMENTATION(FourByteString, String);
   friend class Class;
   friend class String;
 };
@@ skipping 330 matching lines @@
 }
 
 
 void Context::SetAt(intptr_t index, const Instance& value) const {
   StorePointer(InstanceAddr(index), value.raw());
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_