From 9cdf227b84a18141de527a0ad85344a20914b974 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Fri, 5 Jul 2019 10:26:37 -0700
Subject: Started work on Text and friends.

Text processing isn't trivial, and I want this iteration to be
significantly more robust.  This time I/O will be seperated out into
codecs that will handle the encoding/decoding to/from different formats.
---
 src/unstable/text.cpp          | 25 +++++++++++++++++
 src/unstable/text.h            | 64 ++++++++++++++++++++++++++++++++++++++++++
 src/unstable/textcodec.cpp     |  0
 src/unstable/textcodec.h       |  0
 src/unstable/textcodecutf8.cpp |  0
 src/unstable/textcodecutf8.h   |  0
 6 files changed, 89 insertions(+)
 create mode 100644 src/unstable/textcodec.cpp
 create mode 100644 src/unstable/textcodec.h
 create mode 100644 src/unstable/textcodecutf8.cpp
 create mode 100644 src/unstable/textcodecutf8.h

(limited to 'src')

diff --git a/src/unstable/text.cpp b/src/unstable/text.cpp
index 73271f8..9e5670d 100644
--- a/src/unstable/text.cpp
+++ b/src/unstable/text.cpp
@@ -5,4 +5,29 @@
  * terms of the license contained in the file LICENSE.
  */
 
+#include "bu/text.h"
+#include <string.h>
+
+Bu::Text::Text() :
+    pData( NULL ),
+    iSize( 0 ),
+    iCodePoints( 0 )
+{
+}
+
+Bu::Text::Text( const Text &rSrc ) :
+    pData( NULL ),
+    iSize( rSrc.iSize ),
+    iCodePoints( rSrc.iCodePoints )
+{
+    pData = new uint16_t[iSize];
+    memcpy( pData, rSrc.pData, sizeof(uint16_t)*iSize );
+}
+
+Bu::Text::~Text()
+{
+    delete[] pData;
+    pData = NULL;
+}
+
 
diff --git a/src/unstable/text.h b/src/unstable/text.h
index e69de29..1d623ff 100644
--- a/src/unstable/text.h
+++ b/src/unstable/text.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2007-2019 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#ifndef BU_TEXT_H
+#define BU_TEXT_H
+
+#include "bu/config.h"
+
+namespace Bu
+{
+    /**
+     * Represents a string of text. Human readable language. This should be
+     * used any time you're dealing with actual text and not just binary
+     * data. If you neeed to transport raw binary data then consider using
+     * Blob and BlobBuilder.
+     *
+     * Text objects should be considered immutable.  If you need to construct
+     * a Text object dynamically take a look at TextBuilder, and for
+     * serialization take a look at TextStream.
+     *
+     * A Text object is a sequence of Unicode code points. A code point is not
+     * one to one with a character. A single character can be represented with
+     * multilpe code points. In addition, a code point can also represent
+     * formatting or display inforamtion.
+     *
+     * Internally all data is stored in UTF-16, which is a fair compromise for
+     * mose text.  All characters from all modern natural languages fit within
+     * the Basic Multilingual Plane, which requires only a single 16 bit value
+     * to represent it.  However, when iterating through or addressing data
+     * in the Text object all work is done on a code point basis.
+     */
+    class Text
+    {
+    public:
+        class iterator;
+        class const_iterator;
+        typedef uint32_t CodePoint;
+
+    public:
+        Text();
+        Text( const Text &rSrc );
+        virtual ~Text();
+
+        bool isEmpty() const;
+        bool isBmpOnly() const;
+        int32_t getSize() const;
+        int32_t getSizeInBytes() const;
+
+        uint16_t *getRawData() const;
+//        Text transform( (CodePoint *)(*pCallback)( CodePoint * ) );
+
+    private:
+        uint16_t *pData;
+        int32_t iSize;
+        int32_t iCodePoints;
+    };
+    typedef Text::CodePoint CodePoint;
+}
+
+#endif
diff --git a/src/unstable/textcodec.cpp b/src/unstable/textcodec.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/unstable/textcodec.h b/src/unstable/textcodec.h
new file mode 100644
index 0000000..e69de29
diff --git a/src/unstable/textcodecutf8.cpp b/src/unstable/textcodecutf8.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/src/unstable/textcodecutf8.h b/src/unstable/textcodecutf8.h
new file mode 100644
index 0000000..e69de29
-- 
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