Remove custom allocator from CFDE_TxtEdtBuf.

This CL removes the custom allocator from CFDE_TxtEdtBuf and uses
std::vector<std::unique_ptr>> instead.

The Iterator code has been made an inner class of the buffer and rename to
CFDE_TxtEdtBuf::Iterator instead of CFDE_TxtEdtBufIter.

Change-Id: Ied8e844dea700e0ef37087f0d3fad4882d9eada1
Reviewed-on: https://pdfium-review.googlesource.com/2159
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 100 deletions

diff --git a/xfa/fde/cfde_txtedtbufiter.cpp b/xfa/fde/cfde_txtedtbufiter.cpp
deleted file mode 100644
index e4544a3891..0000000000
--- a/xfa/fde/cfde_txtedtbufiter.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-// Copyright 2016 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fde/cfde_txtedtbufiter.h"
-
-#include "xfa/fde/cfde_txtedtbuf.h"
-
-CFDE_TxtEdtBufIter::CFDE_TxtEdtBufIter(CFDE_TxtEdtBuf* pBuf, FX_WCHAR wcAlias)
-    : m_pBuf(pBuf),
-      m_nCurChunk(0),
-      m_nCurIndex(0),
-      m_nIndex(0),
-      m_Alias(wcAlias) {
-  ASSERT(m_pBuf);
-}
-
-CFDE_TxtEdtBufIter::~CFDE_TxtEdtBufIter() {}
-
-bool CFDE_TxtEdtBufIter::Next(bool bPrev) {
-  if (bPrev) {
-    if (m_nIndex == 0) {
-      return false;
-    }
-    ASSERT(m_nCurChunk < m_pBuf->m_Chunks.GetSize());
-    CFDE_TxtEdtBuf::FDE_CHUNKHEADER* lpChunk = nullptr;
-    if (m_nCurIndex > 0) {
-      m_nCurIndex--;
-    } else {
-      while (m_nCurChunk > 0) {
-        --m_nCurChunk;
-        lpChunk = m_pBuf->m_Chunks[m_nCurChunk];
-        if (lpChunk->nUsed > 0) {
-          m_nCurIndex = lpChunk->nUsed - 1;
-          break;
-        }
-      }
-    }
-    ASSERT(m_nCurChunk >= 0);
-    m_nIndex--;
-    return true;
-  } else {
-    if (m_nIndex >= (m_pBuf->m_nTotal - 1)) {
-      return false;
-    }
-    ASSERT(m_nCurChunk < m_pBuf->m_Chunks.GetSize());
-    CFDE_TxtEdtBuf::FDE_CHUNKHEADER* lpChunk = m_pBuf->m_Chunks[m_nCurChunk];
-    if (lpChunk->nUsed != (m_nCurIndex + 1)) {
-      m_nCurIndex++;
-    } else {
-      int32_t nEnd = m_pBuf->m_Chunks.GetSize() - 1;
-      while (m_nCurChunk < nEnd) {
-        m_nCurChunk++;
-        CFDE_TxtEdtBuf::FDE_CHUNKHEADER* lpChunkTemp =
-            m_pBuf->m_Chunks[m_nCurChunk];
-        if (lpChunkTemp->nUsed > 0) {
-          m_nCurIndex = 0;
-          break;
-        }
-      }
-    }
-    m_nIndex++;
-    return true;
-  }
-}
-
-void CFDE_TxtEdtBufIter::SetAt(int32_t nIndex) {
-  ASSERT(nIndex >= 0 && nIndex < m_pBuf->m_nTotal);
-  CFDE_TxtEdtBuf::FDE_CHUNKPLACE cp;
-  m_pBuf->Index2CP(nIndex, cp);
-  m_nIndex = nIndex;
-  m_nCurChunk = cp.nChunkIndex;
-  m_nCurIndex = cp.nCharIndex;
-}
-
-int32_t CFDE_TxtEdtBufIter::GetAt() const {
-  return m_nIndex;
-}
-
-FX_WCHAR CFDE_TxtEdtBufIter::GetChar() {
-  ASSERT(m_nIndex >= 0 && m_nIndex < m_pBuf->m_nTotal);
-  if (m_Alias == 0 || m_nIndex == (m_pBuf->m_nTotal - 1))
-    return m_pBuf->m_Chunks[m_nCurChunk]->wChars[m_nCurIndex];
-  return m_Alias;
-}
-
-bool CFDE_TxtEdtBufIter::IsEOF(bool bTail) const {
-  return bTail ? m_nIndex == (m_pBuf->GetTextLength() - 2) : m_nIndex == 0;
-}
-
-IFX_CharIter* CFDE_TxtEdtBufIter::Clone() {
-  CFDE_TxtEdtBufIter* pIter = new CFDE_TxtEdtBufIter(m_pBuf);
-  pIter->m_nCurChunk = m_nCurChunk;
-  pIter->m_nCurIndex = m_nCurIndex;
-  pIter->m_nIndex = m_nIndex;
-  pIter->m_Alias = m_Alias;
-  return pIter;
-}