1 files changed, 103 insertions, 0 deletions
diff --git a/core/include/fxcrt/fx_ext.h b/core/include/fxcrt/fx_ext.h
new file mode 100644
index 0000000000..7fdbfcd0af
--- /dev/null
+++ b/core/include/fxcrt/fx_ext.h
@@ -0,0 +1,103 @@
+// Copyright 2014 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
+
+#ifndef _FXCRT_EXTENSION_
+#define _FXCRT_EXTENSION_
+#ifndef _FX_BASIC_H_
+#include "fx_basic.h"
+#endif
+#ifndef _FXCRT_COORDINATES_
+#include "fx_coordinates.h"
+#endif
+#ifndef _FX_XML_H_
+#include "fx_xml.h"
+#endif
+#ifndef _FX_UNICODE_
+#include "fx_ucd.h"
+#endif
+#ifndef _FX_ARABIC_
+#include "fx_arb.h"
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+FX_FLOAT		FXSYS_tan(FX_FLOAT a);
+FX_FLOAT		FXSYS_logb(FX_FLOAT b, FX_FLOAT x);
+FX_FLOAT		FXSYS_strtof(FX_LPCSTR pcsStr, FX_INT32 iLength = -1, FX_INT32 *pUsedLen = NULL);
+FX_FLOAT		FXSYS_wcstof(FX_LPCWSTR pwsStr, FX_INT32 iLength = -1, FX_INT32 *pUsedLen = NULL);
+FX_LPWSTR		FXSYS_wcsncpy(FX_LPWSTR dstStr, FX_LPCWSTR srcStr, size_t count);
+FX_INT32		FXSYS_wcsnicmp(FX_LPCWSTR s1, FX_LPCWSTR s2, size_t count);
+FX_INT32		FXSYS_strnicmp(FX_LPCSTR s1, FX_LPCSTR s2, size_t count);
+inline FX_BOOL	FXSYS_islower(FX_INT32 ch)
+{
+    return ch >= 'a' && ch <= 'z';
+}
+inline FX_BOOL	FXSYS_isupper(FX_INT32 ch)
+{
+    return ch >= 'A' && ch <= 'Z';
+}
+inline FX_INT32	FXSYS_tolower(FX_INT32 ch)
+{
+    return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20);
+}
+inline FX_INT32 FXSYS_toupper(FX_INT32 ch)
+{
+    return ch < 'a' || ch > 'z' ? ch : (ch - 0x20);
+}
+
+
+
+FX_DWORD	FX_HashCode_String_GetA(FX_LPCSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase = FALSE);
+FX_DWORD	FX_HashCode_String_GetW(FX_LPCWSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase = FALSE);
+
+#ifdef __cplusplus
+}
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+FX_LPVOID	FX_Random_MT_Start(FX_DWORD dwSeed);
+
+FX_DWORD	FX_Random_MT_Generate(FX_LPVOID pContext);
+
+void		FX_Random_MT_Close(FX_LPVOID pContext);
+
+void		FX_Random_GenerateBase(FX_LPDWORD pBuffer, FX_INT32 iCount);
+
+void		FX_Random_GenerateMT(FX_LPDWORD pBuffer, FX_INT32 iCount);
+
+void		FX_Random_GenerateCrypto(FX_LPDWORD pBuffer, FX_INT32 iCount);
+#ifdef __cplusplus
+}
+#endif
+template<class baseType>
+class CFX_SSortTemplate
+{
+public:
+    void ShellSort(baseType *pArray, FX_INT32 iCount)
+    {
+        FXSYS_assert(pArray != NULL && iCount > 0);
+        FX_INT32 i, j, gap;
+        baseType v1, v2;
+        gap = iCount >> 1;
+        while (gap > 0) {
+            for (i = gap; i < iCount; i ++) {
+                j = i - gap;
+                v1 = pArray[i];
+                while (j > -1 && (v2 = pArray[j]) > v1) {
+                    pArray[j + gap] = v2;
+                    j -= gap;
+                }
+                pArray[j + gap] = v1;
+            }
+            gap >>= 1;
+        }
+    }
+};
+#endif