Move core/include/fxcrt to core/fxcrt/include.

This CL moves the fxcrt code into the core/fxcrt directory. The only exception
was fx_bidi.h which was moved into core/fxcrt as it is not used outside of
core/.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1825953002 .

1 files changed, 320 insertions, 0 deletions

diff --git a/core/fxcrt/include/fx_system.h b/core/fxcrt/include/fx_system.h
new file mode 100644
index 0000000000..eb863c6048
--- /dev/null
+++ b/core/fxcrt/include/fx_system.h
@@ -0,0 +1,320 @@
+// 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 CORE_FXCRT_INCLUDE_FX_SYSTEM_H_
+#define CORE_FXCRT_INCLUDE_FX_SYSTEM_H_
+
+#include <assert.h>
+#include <math.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+// _FX_OS_ values:
+#define _FX_WIN32_DESKTOP_ 1
+#define _FX_WIN64_DESKTOP_ 2
+#define _FX_LINUX_DESKTOP_ 4
+#define _FX_MACOSX_ 7
+#define _FX_ANDROID_ 12
+
+// _FXM_PLATFORM_ values;
+#define _FXM_PLATFORM_WINDOWS_ 1  // _FX_WIN32_DESKTOP_ or _FX_WIN64_DESKTOP_.
+#define _FXM_PLATFORM_LINUX_ 2    // _FX_LINUX_DESKTOP_ always.
+#define _FXM_PLATFORM_APPLE_ 3    // _FX_MACOSX_ always.
+#define _FXM_PLATFORM_ANDROID_ 4  // _FX_ANDROID_ always.
+
+#ifndef _FX_OS_
+#if defined(__ANDROID__)
+#define _FX_OS_ _FX_ANDROID_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_ANDROID_
+#elif defined(_WIN32)
+#define _FX_OS_ _FX_WIN32_DESKTOP_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_WINDOWS_
+#elif defined(_WIN64)
+#define _FX_OS_ _FX_WIN64_DESKTOP_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_WINDOWS_
+#elif defined(__linux__)
+#define _FX_OS_ _FX_LINUX_DESKTOP_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_LINUX_
+#elif defined(__APPLE__)
+#define _FX_OS_ _FX_MACOSX_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_APPLE_
+#endif
+#endif  // _FX_OS_
+
+#if !defined(_FX_OS_) || _FX_OS_ == 0
+#error Sorry, can not figure out target OS. Please specify _FX_OS_ macro.
+#endif
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define _CRT_SECURE_NO_WARNINGS
+#include <windows.h>
+#include <sal.h>
+#endif
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+#include <Carbon/Carbon.h>
+#include <libkern/OSAtomic.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef void* FX_POSITION;  // Keep until fxcrt containers gone
+typedef uint32_t FX_DWORD;  // Keep - "an efficient type"
+typedef float FX_FLOAT;     // Keep, allow upgrade to doubles.
+typedef double FX_DOUBLE;   // Keep, allow downgrade to floats.
+typedef int FX_BOOL;        // Keep, sadly not always 0 or 1.
+typedef char FX_CHAR;       // Keep, questionable signedness.
+typedef wchar_t FX_WCHAR;   // Keep, maybe bad platform wchars.
+
+// PDFium string sizes are limited to 2^31-1, and the value is signed to
+// allow -1 as a placeholder for "unknown".
+// TODO(palmer): it should be a |size_t|, or at least unsigned.
+typedef int FX_STRSIZE;
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifdef __cplusplus
+static_assert(TRUE == true, "true_needs_to_be_true");
+static_assert(FALSE == false, "false_needs_to_be_false");
+#endif
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#define FXSYS_assert assert
+#ifndef ASSERT
+#ifndef NDEBUG
+#define ASSERT FXSYS_assert
+#else
+#define ASSERT(a)
+#endif
+#endif
+
+// M_PI not universally present on all platforms.
+#define FX_PI 3.1415926535897932384626433832795f
+#define FX_BEZIER 0.5522847498308f
+
+// NOTE: prevent use of the return value from snprintf() since some platforms
+// have different return values (e.g. windows _vsnprintf()), and provide
+// versions that always NUL-terminate.
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ && _MSC_VER < 1900
+void FXSYS_snprintf(char* str,
+                    size_t size,
+                    _Printf_format_string_ const char* fmt,
+                    ...);
+void FXSYS_vsnprintf(char* str, size_t size, const char* fmt, va_list ap);
+#else
+#define FXSYS_snprintf (void) snprintf
+#define FXSYS_vsnprintf (void) vsnprintf
+#endif
+
+#define FXSYS_sprintf DO_NOT_USE_SPRINTF_DIE_DIE_DIE
+#define FXSYS_vsprintf DO_NOT_USE_VSPRINTF_DIE_DIE_DIE
+#define FXSYS_strchr strchr
+#define FXSYS_strncmp strncmp
+#define FXSYS_strcmp strcmp
+#define FXSYS_strcpy strcpy
+#define FXSYS_strncpy strncpy
+#define FXSYS_strstr strstr
+#define FXSYS_FILE FILE
+#define FXSYS_fopen fopen
+#define FXSYS_fclose fclose
+#define FXSYS_SEEK_END SEEK_END
+#define FXSYS_SEEK_SET SEEK_SET
+#define FXSYS_fseek fseek
+#define FXSYS_ftell ftell
+#define FXSYS_fread fread
+#define FXSYS_fwrite fwrite
+#define FXSYS_fprintf fprintf
+#define FXSYS_fflush fflush
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#ifdef _NATIVE_WCHAR_T_DEFINED
+#define FXSYS_wfopen(f, m) _wfopen((const wchar_t*)(f), (const wchar_t*)(m))
+#else
+#define FXSYS_wfopen _wfopen
+#endif
+#else
+FXSYS_FILE* FXSYS_wfopen(const FX_WCHAR* filename, const FX_WCHAR* mode);
+#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+
+#ifdef __cplusplus
+}  // extern "C"
+
+#include "third_party/base/numerics/safe_conversions.h"
+
+#define FXSYS_strlen(ptr) pdfium::base::checked_cast<FX_STRSIZE>(strlen(ptr))
+#define FXSYS_wcslen(ptr) pdfium::base::checked_cast<FX_STRSIZE>(wcslen(ptr))
+
+extern "C" {
+#else
+#define FXSYS_strlen(ptr) ((FX_STRSIZE)strlen(ptr))
+#define FXSYS_wcslen(ptr) ((FX_STRSIZE)wcslen(ptr))
+#endif
+
+#define FXSYS_wcscmp wcscmp
+#define FXSYS_wcschr wcschr
+#define FXSYS_wcsstr wcsstr
+#define FXSYS_wcsncmp wcsncmp
+#define FXSYS_vswprintf vswprintf
+#define FXSYS_mbstowcs mbstowcs
+#define FXSYS_wcstombs wcstombs
+#define FXSYS_memcmp memcmp
+#define FXSYS_memcpy memcpy
+#define FXSYS_memmove memmove
+#define FXSYS_memset memset
+#define FXSYS_memchr memchr
+#define FXSYS_qsort qsort
+#define FXSYS_bsearch bsearch
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define FXSYS_GetACP GetACP
+#define FXSYS_itoa _itoa
+#define FXSYS_strlwr _strlwr
+#define FXSYS_strupr _strupr
+#define FXSYS_stricmp _stricmp
+#ifdef _NATIVE_WCHAR_T_DEFINED
+#define FXSYS_wcsicmp(str1, str2) _wcsicmp((wchar_t*)(str1), (wchar_t*)(str2))
+#define FXSYS_WideCharToMultiByte(p1, p2, p3, p4, p5, p6, p7, p8) \
+  WideCharToMultiByte(p1, p2, (const wchar_t*)(p3), p4, p5, p6, p7, p8)
+#define FXSYS_MultiByteToWideChar(p1, p2, p3, p4, p5, p6) \
+  MultiByteToWideChar(p1, p2, p3, p4, (wchar_t*)(p5), p6)
+#define FXSYS_wcslwr(str) _wcslwr((wchar_t*)(str))
+#define FXSYS_wcsupr(str) _wcsupr((wchar_t*)(str))
+#else
+#define FXSYS_wcsicmp _wcsicmp
+#define FXSYS_WideCharToMultiByte WideCharToMultiByte
+#define FXSYS_MultiByteToWideChar MultiByteToWideChar
+#define FXSYS_wcslwr _wcslwr
+#define FXSYS_wcsupr _wcsupr
+#endif
+#define FXSYS_GetFullPathName GetFullPathName
+#define FXSYS_GetModuleFileName GetModuleFileName
+#else
+int FXSYS_GetACP(void);
+char* FXSYS_itoa(int value, char* str, int radix);
+int FXSYS_WideCharToMultiByte(FX_DWORD codepage,
+                              FX_DWORD dwFlags,
+                              const wchar_t* wstr,
+                              int wlen,
+                              char* buf,
+                              int buflen,
+                              const char* default_str,
+                              int* pUseDefault);
+int FXSYS_MultiByteToWideChar(FX_DWORD codepage,
+                              FX_DWORD dwFlags,
+                              const char* bstr,
+                              int blen,
+                              wchar_t* buf,
+                              int buflen);
+FX_DWORD FXSYS_GetFullPathName(const char* filename,
+                               FX_DWORD buflen,
+                               char* buf,
+                               char** filepart);
+FX_DWORD FXSYS_GetModuleFileName(void* hModule, char* buf, FX_DWORD bufsize);
+char* FXSYS_strlwr(char* str);
+char* FXSYS_strupr(char* str);
+int FXSYS_stricmp(const char*, const char*);
+int FXSYS_wcsicmp(const wchar_t* str1, const wchar_t* str2);
+wchar_t* FXSYS_wcslwr(wchar_t* str);
+wchar_t* FXSYS_wcsupr(wchar_t* str);
+#endif  // _FXM_PLATFORM == _FXM_PLATFORM_WINDOWS_
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define FXSYS_pow(a, b) (FX_FLOAT) powf(a, b)
+#else
+#define FXSYS_pow(a, b) (FX_FLOAT) pow(a, b)
+#endif
+#define FXSYS_sqrt(a) (FX_FLOAT) sqrt(a)
+#define FXSYS_fabs(a) (FX_FLOAT) fabs(a)
+#define FXSYS_atan2(a, b) (FX_FLOAT) atan2(a, b)
+#define FXSYS_ceil(a) (FX_FLOAT) ceil(a)
+#define FXSYS_floor(a) (FX_FLOAT) floor(a)
+#define FXSYS_cos(a) (FX_FLOAT) cos(a)
+#define FXSYS_acos(a) (FX_FLOAT) acos(a)
+#define FXSYS_sin(a) (FX_FLOAT) sin(a)
+#define FXSYS_log(a) (FX_FLOAT) log(a)
+#define FXSYS_log10(a) (FX_FLOAT) log10(a)
+#define FXSYS_fmod(a, b) (FX_FLOAT) fmod(a, b)
+#define FXSYS_abs abs
+#define FXDWORD_FROM_LSBFIRST(i) (i)
+#define FXDWORD_FROM_MSBFIRST(i)                        \
+  (((uint8_t)(i) << 24) | ((uint8_t)((i) >> 8) << 16) | \
+   ((uint8_t)((i) >> 16) << 8) | (uint8_t)((i) >> 24))
+#define FXDWORD_GET_LSBFIRST(p)                                                \
+  ((static_cast<FX_DWORD>(p[3]) << 24) | (static_cast<FX_DWORD>(p[2]) << 16) | \
+   (static_cast<FX_DWORD>(p[1]) << 8) | (static_cast<FX_DWORD>(p[0])))
+#define FXDWORD_GET_MSBFIRST(p)                                                \
+  ((static_cast<FX_DWORD>(p[0]) << 24) | (static_cast<FX_DWORD>(p[1]) << 16) | \
+   (static_cast<FX_DWORD>(p[2]) << 8) | (static_cast<FX_DWORD>(p[3])))
+#define FXSYS_HIBYTE(word) ((uint8_t)((word) >> 8))
+#define FXSYS_LOBYTE(word) ((uint8_t)(word))
+#define FXSYS_HIWORD(dword) ((uint16_t)((dword) >> 16))
+#define FXSYS_LOWORD(dword) ((uint16_t)(dword))
+int32_t FXSYS_atoi(const FX_CHAR* str);
+uint32_t FXSYS_atoui(const FX_CHAR* str);
+int32_t FXSYS_wtoi(const FX_WCHAR* str);
+int64_t FXSYS_atoi64(const FX_CHAR* str);
+int64_t FXSYS_wtoi64(const FX_WCHAR* str);
+const FX_CHAR* FXSYS_i64toa(int64_t value, FX_CHAR* str, int radix);
+int FXSYS_round(FX_FLOAT f);
+#define FXSYS_sqrt2(a, b) (FX_FLOAT) FXSYS_sqrt((a) * (a) + (b) * (b))
+#ifdef __cplusplus
+};
+#endif
+
+// To print a size_t value in a portable way:
+//   size_t size;
+//   printf("xyz: %" PRIuS, size);
+// The "u" in the macro corresponds to %u, and S is for "size".
+
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+
+#if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
+#error "inttypes.h has already been included before this header file, but "
+#error "without __STDC_FORMAT_MACROS defined."
+#endif
+
+#if !defined(__STDC_FORMAT_MACROS)
+#define __STDC_FORMAT_MACROS
+#endif
+
+#include <inttypes.h>
+
+#if !defined(PRIuS)
+#define PRIuS "zu"
+#endif
+
+#else  // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+
+#if !defined(PRIuS)
+#define PRIuS "Iu"
+#endif
+
+#endif  // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+
+// Prevent a function from ever being inlined, typically because we'd
+// like it to appear in stack traces.
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define NEVER_INLINE __declspec(noinline)
+#else  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define NEVER_INLINE __attribute__((__noinline__))
+#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+
+#endif  // CORE_FXCRT_INCLUDE_FX_SYSTEM_H_