Make CFX_WideString::LockBuffer() completely unused.
Then remove CFX_{Wide,Byte}String::LockBuffer(). Prelude to a vast
simplification. There's an additional copy now in one place, so
shoot me.
BUG=pdfium:144
R=thestig@chromium.org
Committed: https://pdfium.googlesource.com/pdfium/+/ee7412f5aef353e5c6f1a64d0e1708ed926869d9
Review URL: https://codereview.chromium.org/1053613004
diff --git a/core/include/fxcrt/fx_string.h b/core/include/fxcrt/fx_string.h
index 1efb814..a7cf2e1 100644
--- a/core/include/fxcrt/fx_string.h
+++ b/core/include/fxcrt/fx_string.h
@@ -320,8 +320,6 @@
FX_LPSTR GetBuffer(FX_STRSIZE len);
- FX_LPSTR LockBuffer();
-
void ReleaseBuffer(FX_STRSIZE len = -1);
CFX_ByteString Mid(FX_STRSIZE first) const;
@@ -730,8 +728,6 @@
FX_LPWSTR GetBuffer(FX_STRSIZE len);
- FX_LPWSTR LockBuffer();
-
void ReleaseBuffer(FX_STRSIZE len = -1);
int GetInteger() const;
diff --git a/core/src/fpdfdoc/doc_bookmark.cpp b/core/src/fpdfdoc/doc_bookmark.cpp
index 9814de6..6ba98e6 100644
--- a/core/src/fpdfdoc/doc_bookmark.cpp
+++ b/core/src/fpdfdoc/doc_bookmark.cpp
@@ -4,7 +4,11 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+#include <vector>
+
+#include "../../../third_party/base/nonstd_unique_ptr.h"
#include "../../include/fpdfdoc/fpdf_doc.h"
+
CPDF_Bookmark CPDF_BookmarkTree::GetFirstChild(const CPDF_Bookmark& parent) const
{
if (!parent.m_pDict) {
@@ -55,15 +59,18 @@
return CFX_WideString();
}
CFX_WideString title = pString->GetUnicodeText();
- FX_LPWSTR buf = title.LockBuffer();
int len = title.GetLength();
- for (int i = 0; i < len; i++) {
- if (buf[i] < 0x20) {
- buf[i] = 0x20;
- }
+ if (!len) {
+ return CFX_WideString();
}
- title.ReleaseBuffer(len);
- return title;
+ nonstd::unique_ptr<std::vector<FX_WCHAR> > vec;
+ vec.reset(new std::vector<FX_WCHAR>(len));
+ FX_WCHAR* buf = &vec->front();
+ for (int i = 0; i < len; i++) {
+ FX_WCHAR w = title[i];
+ buf[i] = w > 0x20 ? w : 0x20;
+ }
+ return CFX_WideString(buf, len);
}
CPDF_Dest CPDF_Bookmark::GetDest(CPDF_Document* pDocument) const
{
diff --git a/core/src/fxcrt/fx_basic_bstring.cpp b/core/src/fxcrt/fx_basic_bstring.cpp
index cda7d1f..961aebe 100644
--- a/core/src/fxcrt/fx_basic_bstring.cpp
+++ b/core/src/fxcrt/fx_basic_bstring.cpp
@@ -341,15 +341,6 @@
m_pData->m_nDataLength = nNewLength;
m_pData->m_String[nNewLength] = 0;
}
-FX_LPSTR CFX_ByteString::LockBuffer()
-{
- if (m_pData == NULL) {
- return NULL;
- }
- FX_LPSTR lpsz = GetBuffer(0);
- m_pData->m_nRefs = -1;
- return lpsz;
-}
void CFX_ByteString::Reserve(FX_STRSIZE len)
{
GetBuffer(len);
diff --git a/core/src/fxcrt/fx_basic_wstring.cpp b/core/src/fxcrt/fx_basic_wstring.cpp
index e255aa0..2ea23e4 100644
--- a/core/src/fxcrt/fx_basic_wstring.cpp
+++ b/core/src/fxcrt/fx_basic_wstring.cpp
@@ -535,15 +535,6 @@
}
return 0;
}
-FX_LPWSTR CFX_WideString::LockBuffer()
-{
- if (m_pData == NULL) {
- return NULL;
- }
- FX_LPWSTR lpsz = GetBuffer(0);
- m_pData->m_nRefs = -1;
- return lpsz;
-}
void CFX_WideString::SetAt(FX_STRSIZE nIndex, FX_WCHAR ch)
{
if (m_pData == NULL) {
