diff options
Diffstat (limited to 'core/src/fxcrt/fx_basic_util.cpp')
| -rw-r--r-- | core/src/fxcrt/fx_basic_util.cpp | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/core/src/fxcrt/fx_basic_util.cpp b/core/src/fxcrt/fx_basic_util.cpp new file mode 100644 index 0000000000..af4d42c0ae --- /dev/null +++ b/core/src/fxcrt/fx_basic_util.cpp @@ -0,0 +1,444 @@ +// 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
+
+#include "../../include/fxcrt/fx_basic.h"
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+#include <sys/types.h>
+#include <dirent.h>
+#else
+#include <direct.h>
+#endif
+CFX_PrivateData::~CFX_PrivateData()
+{
+ ClearAll();
+}
+void FX_PRIVATEDATA::FreeData()
+{
+ if (m_pData == NULL) {
+ return;
+ }
+ if (m_bSelfDestruct) {
+ delete (CFX_DestructObject*)m_pData;
+ } else if (m_pCallback) {
+ m_pCallback(m_pData);
+ }
+}
+void CFX_PrivateData::AddData(FX_LPVOID pModuleId, FX_LPVOID pData, PD_CALLBACK_FREEDATA callback, FX_BOOL bSelfDestruct)
+{
+ if (pModuleId == NULL) {
+ return;
+ }
+ FX_PRIVATEDATA* pList = m_DataList.GetData();
+ int count = m_DataList.GetSize();
+ for (int i = 0; i < count; i ++) {
+ if (pList[i].m_pModuleId == pModuleId) {
+ pList[i].FreeData();
+ pList[i].m_pData = pData;
+ pList[i].m_pCallback = callback;
+ return;
+ }
+ }
+ FX_PRIVATEDATA data = {pModuleId, pData, callback, bSelfDestruct};
+ m_DataList.Add(data);
+}
+void CFX_PrivateData::SetPrivateData(FX_LPVOID pModuleId, FX_LPVOID pData, PD_CALLBACK_FREEDATA callback)
+{
+ AddData(pModuleId, pData, callback, FALSE);
+}
+void CFX_PrivateData::SetPrivateObj(FX_LPVOID pModuleId, CFX_DestructObject* pObj)
+{
+ AddData(pModuleId, pObj, NULL, TRUE);
+}
+FX_BOOL CFX_PrivateData::RemovePrivateData(FX_LPVOID pModuleId)
+{
+ if (pModuleId == NULL) {
+ return FALSE;
+ }
+ FX_PRIVATEDATA* pList = m_DataList.GetData();
+ int count = m_DataList.GetSize();
+ for (int i = 0; i < count; i ++) {
+ if (pList[i].m_pModuleId == pModuleId) {
+ m_DataList.RemoveAt(i);
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+FX_LPVOID CFX_PrivateData::GetPrivateData(FX_LPVOID pModuleId)
+{
+ if (pModuleId == NULL) {
+ return NULL;
+ }
+ FX_PRIVATEDATA* pList = m_DataList.GetData();
+ int count = m_DataList.GetSize();
+ for (int i = 0; i < count; i ++) {
+ if (pList[i].m_pModuleId == pModuleId) {
+ return pList[i].m_pData;
+ }
+ }
+ return NULL;
+}
+void CFX_PrivateData::ClearAll()
+{
+ FX_PRIVATEDATA* pList = m_DataList.GetData();
+ int count = m_DataList.GetSize();
+ for (int i = 0; i < count; i ++) {
+ pList[i].FreeData();
+ }
+ m_DataList.RemoveAll();
+}
+void FX_atonum(FX_BSTR strc, FX_BOOL& bInteger, void* pData)
+{
+ if (FXSYS_memchr(strc.GetPtr(), '.', strc.GetLength()) == NULL) {
+ bInteger = TRUE;
+ int cc = 0, integer = 0;
+ FX_LPCSTR str = strc.GetCStr();
+ int len = strc.GetLength();
+ FX_BOOL bNegative = FALSE;
+ if (str[0] == '+') {
+ cc++;
+ } else if (str[0] == '-') {
+ bNegative = TRUE;
+ cc++;
+ }
+ while (cc < len) {
+ if (str[cc] < '0' || str[cc] > '9') {
+ break;
+ }
+ integer = integer * 10 + str[cc] - '0';
+ if (integer < 0) {
+ break;
+ }
+ cc ++;
+ }
+ if (bNegative) {
+ integer = -integer;
+ }
+ *(int*)pData = integer;
+ } else {
+ bInteger = FALSE;
+ *(FX_FLOAT*)pData = FX_atof(strc);
+ }
+}
+FX_FLOAT FX_atof(FX_BSTR strc)
+{
+ if (strc.GetLength() == 0) {
+ return 0.0;
+ }
+ int cc = 0;
+ FX_BOOL bNegative = FALSE;
+ FX_LPCSTR str = strc.GetCStr();
+ int len = strc.GetLength();
+ if (str[0] == '+') {
+ cc++;
+ } else if (str[0] == '-') {
+ bNegative = TRUE;
+ cc++;
+ }
+ while (cc < len) {
+ if (str[cc] != '+' && str[cc] != '-') {
+ break;
+ }
+ cc ++;
+ }
+ FX_FLOAT value = 0;
+ while (cc < len) {
+ if (str[cc] == '.') {
+ break;
+ }
+ value = value * 10 + str[cc] - '0';
+ cc ++;
+ }
+ static const FX_FLOAT fraction_scales[] = {0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f,
+ 0.0000001f, 0.00000001f, 0.000000001f, 0.0000000001f, 0.00000000001f
+ };
+ int scale = 0;
+ if (cc < len && str[cc] == '.') {
+ cc ++;
+ while (cc < len) {
+ value += fraction_scales[scale] * (str[cc] - '0');
+ scale ++;
+ if (scale == sizeof fraction_scales / sizeof(FX_FLOAT)) {
+ break;
+ }
+ cc ++;
+ }
+ }
+ return bNegative ? -value : value;
+}
+static FX_BOOL FX_IsDigit(FX_BYTE ch)
+{
+ return (ch >= '0' && ch <= '9') ? TRUE : FALSE;
+}
+static FX_BOOL FX_IsXDigit(FX_BYTE ch)
+{
+ return (FX_IsDigit(ch) || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f')) ? TRUE : FALSE;
+}
+static FX_BYTE FX_MakeUpper(FX_BYTE ch)
+{
+ if (ch < 'a' || ch > 'z') {
+ return ch;
+ }
+ return ch - 32;
+}
+static int FX_HexToI(FX_BYTE ch)
+{
+ ch = FX_MakeUpper(ch);
+ return FX_IsDigit(ch) ? (ch - '0') : (ch - 55);
+}
+static const unsigned char url_encodeTable[128] = {
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 0, 1, 1, 0, 1, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 1, 0, 1, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 1, 1, 1, 0,
+ 1, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 1, 1, 1, 1,
+};
+CFX_ByteString FX_UrlEncode(const CFX_WideString& wsUrl)
+{
+ const char arDigits[] = "0123456789ABCDEF";
+ CFX_ByteString rUrl;
+ int nLength = wsUrl.GetLength();
+ for (int i = 0; i < nLength; i++) {
+ FX_DWORD word = wsUrl.GetAt(i);
+ if (word > 0x7F || url_encodeTable[word] == 1) {
+ CFX_ByteString bsUri = CFX_ByteString::FromUnicode((FX_WORD)word);
+ int nByte = bsUri.GetLength();
+ for (int j = 0; j < nByte; j++) {
+ rUrl += '%';
+ FX_BYTE code = bsUri.GetAt(j);
+ rUrl += arDigits[code >> 4];
+ rUrl += arDigits[code & 0x0F];
+ }
+ } else {
+ rUrl += CFX_ByteString::FromUnicode((FX_WORD)word);
+ }
+ }
+ return rUrl;
+}
+CFX_WideString FX_UrlDecode(const CFX_ByteString& bsUrl)
+{
+ CFX_ByteString rUrl;
+ int nLength = bsUrl.GetLength();
+ for (int i = 0; i < nLength; i++) {
+ if (i < nLength - 2 && bsUrl[i] == '%' && FX_IsXDigit(bsUrl[i + 1]) && FX_IsXDigit(bsUrl[i + 2])) {
+ rUrl += (FX_HexToI(bsUrl[i + 1]) << 4 | FX_HexToI(bsUrl[i + 2]));
+ i += 2;
+ } else {
+ rUrl += bsUrl[i];
+ }
+ }
+ return CFX_WideString::FromLocal(rUrl);
+}
+CFX_ByteString FX_EncodeURI(const CFX_WideString& wsURI)
+{
+ const char arDigits[] = "0123456789ABCDEF";
+ CFX_ByteString rURI;
+ CFX_ByteString bsUri = wsURI.UTF8Encode();
+ int nLength = bsUri.GetLength();
+ for (int i = 0; i < nLength; i++) {
+ FX_BYTE code = bsUri.GetAt(i);
+ if (code > 0x7F || url_encodeTable[code] == 1) {
+ rURI += '%';
+ rURI += arDigits[code >> 4];
+ rURI += arDigits[code & 0x0F];
+ } else {
+ rURI += code;
+ }
+ }
+ return rURI;
+}
+CFX_WideString FX_DecodeURI(const CFX_ByteString& bsURI)
+{
+ CFX_ByteString rURI;
+ int nLength = bsURI.GetLength();
+ for (int i = 0; i < nLength; i++) {
+ if (i < nLength - 2 && bsURI[i] == '%' && FX_IsXDigit(bsURI[i + 1]) && FX_IsXDigit(bsURI[i + 2])) {
+ rURI += (FX_HexToI(bsURI[i + 1]) << 4 | FX_HexToI(bsURI[i + 2]));
+ i += 2;
+ } else {
+ rURI += bsURI[i];
+ }
+ }
+ return CFX_WideString::FromUTF8(rURI);
+}
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+class CFindFileData : public CFX_Object
+{
+public:
+ virtual ~CFindFileData() {}
+ HANDLE m_Handle;
+ FX_BOOL m_bEnd;
+};
+class CFindFileDataA : public CFindFileData
+{
+public:
+ virtual ~CFindFileDataA() {}
+ WIN32_FIND_DATAA m_FindData;
+};
+class CFindFileDataW : public CFindFileData
+{
+public:
+ virtual ~CFindFileDataW() {}
+ WIN32_FIND_DATAW m_FindData;
+};
+#endif
+void* FX_OpenFolder(FX_LPCSTR path)
+{
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#ifndef _WIN32_WCE
+ CFindFileDataA* pData = FX_NEW CFindFileDataA;
+ if (!pData) {
+ return NULL;
+ }
+#ifdef _FX_WINAPI_PARTITION_DESKTOP_
+ pData->m_Handle = FindFirstFileA(CFX_ByteString(path) + "/*.*", &pData->m_FindData);
+#else
+ pData->m_Handle = FindFirstFileExA(CFX_ByteString(path) + "/*.*", FindExInfoStandard, &pData->m_FindData, FindExSearchNameMatch, NULL, 0);
+#endif
+#else
+ CFindFileDataW* pData = FX_NEW CFindFileDataW;
+ if (!pData) {
+ return NULL;
+ }
+ pData->m_Handle = FindFirstFileW(CFX_WideString::FromLocal(path) + L"/*.*", &pData->m_FindData);
+#endif
+ if (pData->m_Handle == INVALID_HANDLE_VALUE) {
+ delete pData;
+ return NULL;
+ }
+ pData->m_bEnd = FALSE;
+ return pData;
+#else
+ DIR* dir = opendir(path);
+ return dir;
+#endif
+}
+void* FX_OpenFolder(FX_LPCWSTR path)
+{
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+ CFindFileDataW* pData = FX_NEW CFindFileDataW;
+ if (!pData) {
+ return NULL;
+ }
+#ifdef _FX_WINAPI_PARTITION_DESKTOP_
+ pData->m_Handle = FindFirstFileW(CFX_WideString(path) + L"/*.*", &pData->m_FindData);
+#else
+ pData->m_Handle = FindFirstFileExW(CFX_WideString(path) + L"/*.*", FindExInfoStandard, &pData->m_FindData, FindExSearchNameMatch, NULL, 0);
+#endif
+ if (pData->m_Handle == INVALID_HANDLE_VALUE) {
+ delete pData;
+ return NULL;
+ }
+ pData->m_bEnd = FALSE;
+ return pData;
+#else
+ DIR* dir = opendir(CFX_ByteString::FromUnicode(path));
+ return dir;
+#endif
+}
+FX_BOOL FX_GetNextFile(void* handle, CFX_ByteString& filename, FX_BOOL& bFolder)
+{
+ if (handle == NULL) {
+ return FALSE;
+ }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#ifndef _WIN32_WCE
+ CFindFileDataA* pData = (CFindFileDataA*)handle;
+ if (pData->m_bEnd) {
+ return FALSE;
+ }
+ filename = pData->m_FindData.cFileName;
+ bFolder = pData->m_FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+ if (!FindNextFileA(pData->m_Handle, &pData->m_FindData)) {
+ pData->m_bEnd = TRUE;
+ }
+ return TRUE;
+#else
+ CFindFileDataW* pData = (CFindFileDataW*)handle;
+ if (pData->m_bEnd) {
+ return FALSE;
+ }
+ filename = CFX_ByteString::FromUnicode(pData->m_FindData.cFileName);
+ bFolder = pData->m_FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+ if (!FindNextFileW(pData->m_Handle, &pData->m_FindData)) {
+ pData->m_bEnd = TRUE;
+ }
+ return TRUE;
+#endif
+#elif defined(__native_client__)
+ abort();
+ return FALSE;
+#else
+ struct dirent *de = readdir((DIR*)handle);
+ if (de == NULL) {
+ return FALSE;
+ }
+ filename = de->d_name;
+ bFolder = de->d_type == DT_DIR;
+ return TRUE;
+#endif
+}
+FX_BOOL FX_GetNextFile(void* handle, CFX_WideString& filename, FX_BOOL& bFolder)
+{
+ if (handle == NULL) {
+ return FALSE;
+ }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+ CFindFileDataW* pData = (CFindFileDataW*)handle;
+ if (pData->m_bEnd) {
+ return FALSE;
+ }
+ filename = pData->m_FindData.cFileName;
+ bFolder = pData->m_FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+ if (!FindNextFileW(pData->m_Handle, &pData->m_FindData)) {
+ pData->m_bEnd = TRUE;
+ }
+ return TRUE;
+#elif defined(__native_client__)
+ abort();
+ return FALSE;
+#else
+ struct dirent *de = readdir((DIR*)handle);
+ if (de == NULL) {
+ return FALSE;
+ }
+ filename = CFX_WideString::FromLocal(de->d_name);
+ bFolder = de->d_type == DT_DIR;
+ return TRUE;
+#endif
+}
+void FX_CloseFolder(void* handle)
+{
+ if (handle == NULL) {
+ return;
+ }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+ CFindFileData* pData = (CFindFileData*)handle;
+ FindClose(pData->m_Handle);
+ delete pData;
+#else
+ closedir((DIR*)handle);
+#endif
+}
+FX_WCHAR FX_GetFolderSeparator()
+{
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+ return '\\';
+#else
+ return '/';
+#endif
+}
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