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authorDan Sinclair <dsinclair@chromium.org>2017-05-04 10:17:51 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-05-04 17:56:25 +0000
commitc0aefd45c89a2980de8965f12bc80db408dfa78c (patch)
tree0dd4d480453dc7ae743b3b26c3fb06e412a69da2 /core/fxcrt
parentb4a75830cc03dc6c44c4e0f3b5e31d05a0d8596a (diff)
downloadpdfium-c0aefd45c89a2980de8965f12bc80db408dfa78c.tar.xz
Cleanup CFX_CharMap
This CL removes the CFX_CharMap class and moves the two static methods into the files in which they're used. Change-Id: I8ff7cbfd7f1ef3970e39c77ffa3439099f7fec02 Reviewed-on: https://pdfium-review.googlesource.com/4873 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxcrt')
-rw-r--r--core/fxcrt/cfx_bytestring.cpp36
-rw-r--r--core/fxcrt/cfx_widestring.cpp86
-rw-r--r--core/fxcrt/fx_basic.h23
3 files changed, 71 insertions, 74 deletions
diff --git a/core/fxcrt/cfx_bytestring.cpp b/core/fxcrt/cfx_bytestring.cpp
index 5c534507c6..f0dc370cc9 100644
--- a/core/fxcrt/cfx_bytestring.cpp
+++ b/core/fxcrt/cfx_bytestring.cpp
@@ -12,7 +12,7 @@
#include <cctype>
#include "core/fxcrt/cfx_string_pool_template.h"
-#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_codepage.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/fx_safe_types.h"
#include "third_party/base/numerics/safe_math.h"
@@ -82,6 +82,38 @@ const char* FX_strstr(const char* haystack,
return nullptr;
}
+#ifndef NDEBUG
+bool IsValidCodePage(uint16_t codepage) {
+ switch (codepage) {
+ case FX_CODEPAGE_DefANSI:
+ case FX_CODEPAGE_ShiftJIS:
+ case FX_CODEPAGE_ChineseSimplified:
+ case FX_CODEPAGE_Hangul:
+ case FX_CODEPAGE_ChineseTraditional:
+ return true;
+ default:
+ return false;
+ }
+}
+#endif
+
+CFX_ByteString GetByteString(uint16_t codepage, const CFX_WideStringC& wstr) {
+ ASSERT(IsValidCodePage(codepage));
+
+ int src_len = wstr.GetLength();
+ int dest_len = FXSYS_WideCharToMultiByte(codepage, 0, wstr.c_str(), src_len,
+ nullptr, 0, nullptr, nullptr);
+ if (!dest_len)
+ return CFX_ByteString();
+
+ CFX_ByteString bstr;
+ char* dest_buf = bstr.GetBuffer(dest_len);
+ FXSYS_WideCharToMultiByte(codepage, 0, wstr.c_str(), src_len, dest_buf,
+ dest_len, nullptr, nullptr);
+ bstr.ReleaseBuffer(dest_len);
+ return bstr;
+}
+
} // namespace
static_assert(sizeof(CFX_ByteString) <= sizeof(char*),
@@ -685,7 +717,7 @@ CFX_ByteString CFX_ByteString::FromUnicode(const wchar_t* str, FX_STRSIZE len) {
// static
CFX_ByteString CFX_ByteString::FromUnicode(const CFX_WideString& str) {
- return CFX_CharMap::GetByteString(0, str.AsStringC());
+ return GetByteString(0, str.AsStringC());
}
int CFX_ByteString::Compare(const CFX_ByteStringC& str) const {
diff --git a/core/fxcrt/cfx_widestring.cpp b/core/fxcrt/cfx_widestring.cpp
index 8cd4de6edd..08f41681a4 100644
--- a/core/fxcrt/cfx_widestring.cpp
+++ b/core/fxcrt/cfx_widestring.cpp
@@ -13,7 +13,7 @@
#include <cwctype>
#include "core/fxcrt/cfx_string_pool_template.h"
-#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_codepage.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/fx_safe_types.h"
#include "third_party/base/numerics/safe_math.h"
@@ -30,22 +30,6 @@ template struct std::hash<CFX_WideString>;
namespace {
-#ifndef NDEBUG
-bool IsValidCodePage(uint16_t codepage) {
- switch (codepage) {
- case 0:
- case 932:
- case 936:
- case 949:
- case 950:
- return true;
-
- default:
- return false;
- }
-}
-#endif
-
const wchar_t* FX_wcsstr(const wchar_t* haystack,
int haystack_len,
const wchar_t* needle,
@@ -260,6 +244,38 @@ FX_STRSIZE GuessSizeForVSWPrintf(const wchar_t* pFormat, va_list argList) {
return nMaxLen;
}
+#ifndef NDEBUG
+bool IsValidCodePage(uint16_t codepage) {
+ switch (codepage) {
+ case FX_CODEPAGE_DefANSI:
+ case FX_CODEPAGE_ShiftJIS:
+ case FX_CODEPAGE_ChineseSimplified:
+ case FX_CODEPAGE_Hangul:
+ case FX_CODEPAGE_ChineseTraditional:
+ return true;
+ default:
+ return false;
+ }
+}
+#endif
+
+CFX_WideString GetWideString(uint16_t codepage, const CFX_ByteStringC& bstr) {
+ ASSERT(IsValidCodePage(codepage));
+
+ int src_len = bstr.GetLength();
+ int dest_len =
+ FXSYS_MultiByteToWideChar(codepage, 0, bstr.c_str(), src_len, nullptr, 0);
+ if (!dest_len)
+ return CFX_WideString();
+
+ CFX_WideString wstr;
+ wchar_t* dest_buf = wstr.GetBuffer(dest_len);
+ FXSYS_MultiByteToWideChar(codepage, 0, bstr.c_str(), src_len, dest_buf,
+ dest_len);
+ wstr.ReleaseBuffer(dest_len);
+ return wstr;
+}
+
} // namespace
static_assert(sizeof(CFX_WideString) <= sizeof(wchar_t*),
@@ -849,7 +865,7 @@ CFX_WideString CFX_WideString::FromLocal(const CFX_ByteStringC& str) {
// static
CFX_WideString CFX_WideString::FromCodePage(const CFX_ByteStringC& str,
uint16_t codepage) {
- return CFX_CharMap::GetWideString(codepage, str);
+ return GetWideString(codepage, str);
}
// static
@@ -1033,37 +1049,3 @@ int CFX_WideString::GetInteger() const {
float CFX_WideString::GetFloat() const {
return m_pData ? FX_wtof(m_pData->m_String, m_pData->m_nDataLength) : 0.0f;
}
-
-// static
-CFX_ByteString CFX_CharMap::GetByteString(uint16_t codepage,
- const CFX_WideStringC& wstr) {
- ASSERT(IsValidCodePage(codepage));
- int src_len = wstr.GetLength();
- int dest_len = FXSYS_WideCharToMultiByte(codepage, 0, wstr.c_str(), src_len,
- nullptr, 0, nullptr, nullptr);
- CFX_ByteString bstr;
- if (dest_len) {
- char* dest_buf = bstr.GetBuffer(dest_len);
- FXSYS_WideCharToMultiByte(codepage, 0, wstr.c_str(), src_len, dest_buf,
- dest_len, nullptr, nullptr);
- bstr.ReleaseBuffer(dest_len);
- }
- return bstr;
-}
-
-// static
-CFX_WideString CFX_CharMap::GetWideString(uint16_t codepage,
- const CFX_ByteStringC& bstr) {
- ASSERT(IsValidCodePage(codepage));
- int src_len = bstr.GetLength();
- int dest_len =
- FXSYS_MultiByteToWideChar(codepage, 0, bstr.c_str(), src_len, nullptr, 0);
- CFX_WideString wstr;
- if (dest_len) {
- wchar_t* dest_buf = wstr.GetBuffer(dest_len);
- FXSYS_MultiByteToWideChar(codepage, 0, bstr.c_str(), src_len, dest_buf,
- dest_len);
- wstr.ReleaseBuffer(dest_len);
- }
- return wstr;
-}
diff --git a/core/fxcrt/fx_basic.h b/core/fxcrt/fx_basic.h
index ed2f579579..8669c66f5e 100644
--- a/core/fxcrt/fx_basic.h
+++ b/core/fxcrt/fx_basic.h
@@ -131,36 +131,19 @@ class CFX_FileBufferArchive {
CFX_RetainPtr<IFX_WriteStream> m_pFile;
};
-class CFX_CharMap {
- public:
- static CFX_ByteString GetByteString(uint16_t codepage,
- const CFX_WideStringC& wstr);
-
- static CFX_WideString GetWideString(uint16_t codepage,
- const CFX_ByteStringC& bstr);
-
- CFX_CharMap() = delete;
-};
-
class CFX_UTF8Decoder {
public:
CFX_UTF8Decoder() { m_PendingBytes = 0; }
void Clear();
-
void Input(uint8_t byte);
-
void AppendChar(uint32_t ch);
-
void ClearStatus() { m_PendingBytes = 0; }
-
CFX_WideStringC GetResult() const { return m_Buffer.AsStringC(); }
- protected:
+ private:
int m_PendingBytes;
-
uint32_t m_PendingChar;
-
CFX_WideTextBuf m_Buffer;
};
@@ -172,7 +155,7 @@ class CFX_UTF8Encoder {
void AppendStr(const CFX_ByteStringC& str) { m_Buffer << str; }
CFX_ByteStringC GetResult() const { return m_Buffer.AsStringC(); }
- protected:
+ private:
CFX_ByteTextBuf m_Buffer;
};
@@ -207,7 +190,7 @@ class CFX_BitStream {
return m_BitSize >= m_BitPos ? m_BitSize - m_BitPos : 0;
}
- protected:
+ private:
uint32_t m_BitPos;
uint32_t m_BitSize;
const uint8_t* m_pData;