Working on TextBuilder & Text.

Seriously thinking about changing Text to just use full codepoints. It
would be much less work, more reliable and predictable, easier to use,
but would use twice the memory.

1 files changed, 78 insertions, 0 deletions

diff --git a/src/unstable/textbuilder.h b/src/unstable/textbuilder.h
index 73271f8..22fa653 100644
--- a/src/unstable/textbuilder.h
+++ b/src/unstable/textbuilder.h
@@ -5,4 +5,82 @@
  * terms of the license contained in the file LICENSE.
  */
 
+#ifndef BU_TEXT_BUILDER_H
+#define BU_TEXT_BUILDER_H
+
+#include <stdint.h>
+#include "bu/sharedcore.h"
+#include "bu/text.h"
+
+namespace Bu
+{
+    class TextBuilder;
+    
+    /** @cond DEVEL */
+    class TextBuilderCore
+    {
+    friend class TextBuilder;
+    friend class SharedCore<TextBuilder, TextBuilderCore>;
+    private:
+        class Chunk
+        {
+        public:
+            Chunk( const CodePoint *pSrc, int32_t iLength );
+            ~Chunk();
+
+            void append( const CodePoint *&pSrc, int32_t &iLength );
+
+            Chunk *split( int32_t iIndex );
+
+            int32_t iLength;
+            CodePoint *pData;
+            Chunk *pNext;
+        };
+
+        TextBuilderCore();
+        TextBuilderCore( const TextBuilderCore &rSrc );
+        virtual ~TextBuilderCore();
+
+        void clear();
+        void append( const CodePoint *pSrc, int32_t iLength );
+        void prepend( const CodePoint *pSrc, int32_t iLength );
+        void insert( int32_t iBefore, const CodePoint *pSrc, int32_t iLength );
+        void set( const CodePoint *pSrc, int32_t iLength );
+        void copyTo( void *pDestRaw, int32_t iLength );
+        CodePoint getAt( int32_t iIndex ) const;
+
+        Chunk *pFirst;
+        Chunk *pLast;
+        int32_t iLength;
+    };
+
+    class TextBuilder : public Bu::SharedCore<TextBuilder, TextBuilderCore>
+    {
+    protected:
+        using SharedCore<TextBuilder, TextBuilderCore>::core;
+        using SharedCore<TextBuilder, TextBuilderCore>::_hardCopy;
+
+    public:
+        TextBuilder();
+        TextBuilder( const Text &rSrc );
+        TextBuilder( const TextBuilder &rSrc );
+        virtual ~TextBuilder();
+
+        void set( const Text &rSrc );
+        void append( const Text &rSrc );
+        void append( const CodePoint *pSrc, int32_t iLength );
+        void prepend( const Text &rSrc );
+        void insert( const Text &rSrc );
+        void clear();
+
+        int32_t getSize() const;
+        Text getText() const;
+        CodePoint operator[]( int32_t iIndex ) const;
+
+        TextBuilder &operator=( const Text &rSrc );
+        TextBuilder &operator==( const Text &rSrc );
+    };
+}
+
+#endif