Clean up C-Style casts in CBC_CodeBase and subclasses

Make the parent class own the reader/writer via unique_ptrs.
De-virtualize some methods with no overrides.

Review-Url: https://codereview.chromium.org/2037573005

1 files changed, 14 insertions, 16 deletions

diff --git a/xfa/fxbarcode/cbc_code128.cpp b/xfa/fxbarcode/cbc_code128.cpp
index 85d7afbbe8..c3614bee90 100644
--- a/xfa/fxbarcode/cbc_code128.cpp
+++ b/xfa/fxbarcode/cbc_code128.cpp
@@ -27,19 +27,15 @@
 #include "xfa/fxbarcode/oned/BC_OnedCode128Reader.h"
 #include "xfa/fxbarcode/oned/BC_OnedCode128Writer.h"
 
-CBC_Code128::CBC_Code128(BC_TYPE type) {
-  m_pBCReader = (CBC_Reader*)new (CBC_OnedCode128Reader);
-  m_pBCWriter = (CBC_Writer*)new CBC_OnedCode128Writer(type);
-}
+CBC_Code128::CBC_Code128(BC_TYPE type)
+    : CBC_OneCode(new CBC_OnedCode128Reader, new CBC_OnedCode128Writer(type)) {}
 
-CBC_Code128::~CBC_Code128() {
-  delete (m_pBCReader);
-  delete (m_pBCWriter);
-}
+CBC_Code128::~CBC_Code128() {}
 
 FX_BOOL CBC_Code128::SetTextLocation(BC_TEXT_LOC location) {
   if (m_pBCWriter)
-    return ((CBC_OnedCode128Writer*)m_pBCWriter)->SetTextLocation(location);
+    return static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())
+        ->SetTextLocation(location);
   return FALSE;
 }
 
@@ -55,17 +51,19 @@ FX_BOOL CBC_Code128::Encode(const CFX_WideStringC& contents,
   int32_t outHeight = 0;
   CFX_WideString content(contents);
   if (contents.GetLength() % 2 &&
-      ((CBC_OnedCode128Writer*)m_pBCWriter)->GetType() == BC_CODE128_C) {
+      static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())->GetType() ==
+          BC_CODE128_C) {
     content += '0';
   }
-  CFX_WideString encodeContents = ((CBC_OnedCode128Writer*)m_pBCWriter)
-                                      ->FilterContents(content.AsStringC());
+  CFX_WideString encodeContents =
+      static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())
+          ->FilterContents(content.AsStringC());
   m_renderContents = encodeContents;
   CFX_ByteString byteString = encodeContents.UTF8Encode();
-  uint8_t* data = static_cast<CBC_OnedCode128Writer*>(m_pBCWriter)
+  uint8_t* data = static_cast<CBC_OnedCode128Writer*>(m_pBCWriter.get())
                       ->Encode(byteString, format, outWidth, outHeight, e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
-  ((CBC_OneDimWriter*)m_pBCWriter)
+  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
       ->RenderResult(encodeContents.AsStringC(), data, outWidth, isDevice, e);
   FX_Free(data);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
@@ -75,14 +73,14 @@ FX_BOOL CBC_Code128::Encode(const CFX_WideStringC& contents,
 FX_BOOL CBC_Code128::RenderDevice(CFX_RenderDevice* device,
                                   const CFX_Matrix* matrix,
                                   int32_t& e) {
-  ((CBC_OneDimWriter*)m_pBCWriter)
+  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
       ->RenderDeviceResult(device, matrix, m_renderContents.AsStringC(), e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   return TRUE;
 }
 
 FX_BOOL CBC_Code128::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
-  ((CBC_OneDimWriter*)m_pBCWriter)
+  static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
       ->RenderBitmapResult(pOutBitmap, m_renderContents.AsStringC(), e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   return TRUE;