| OLD | NEW |
| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "xfa/fgas/crt/fgas_algorithm.h" | 7 #include "xfa/fgas/crt/fgas_algorithm.h" |
| 8 | 8 |
| 9 #include "core/fxcrt/include/fx_basic.h" | 9 #include "core/fxcrt/include/fx_basic.h" |
| 10 | 10 |
| 11 #ifdef __cplusplus | 11 #ifdef __cplusplus |
| 12 extern "C" { | 12 extern "C" { |
| 13 #endif | 13 #endif |
| 14 | 14 |
| 15 static const FX_CHAR g_FXBase64EncoderMap[64] = { | 15 static const FX_CHAR g_FXBase64EncoderMap[64] = { |
| 16 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', | 16 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', |
| 17 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', | 17 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', |
| 18 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', | 18 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', |
| 19 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', | 19 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', |
| 20 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', | 20 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', |
| 21 }; | 21 }; |
| 22 | 22 |
| 23 struct FX_BASE64DATA { | 23 struct FX_BASE64DATA { |
| 24 FX_DWORD data1 : 2; | 24 uint32_t data1 : 2; |
| 25 FX_DWORD data2 : 6; | 25 uint32_t data2 : 6; |
| 26 FX_DWORD data3 : 4; | 26 uint32_t data3 : 4; |
| 27 FX_DWORD data4 : 4; | 27 uint32_t data4 : 4; |
| 28 FX_DWORD data5 : 6; | 28 uint32_t data5 : 6; |
| 29 FX_DWORD data6 : 2; | 29 uint32_t data6 : 2; |
| 30 FX_DWORD data7 : 8; | 30 uint32_t data7 : 8; |
| 31 }; | 31 }; |
| 32 | 32 |
| 33 static void FX_Base64EncodePiece(const FX_BASE64DATA& src, | 33 static void FX_Base64EncodePiece(const FX_BASE64DATA& src, |
| 34 int32_t iBytes, | 34 int32_t iBytes, |
| 35 FX_CHAR dst[4]) { | 35 FX_CHAR dst[4]) { |
| 36 dst[0] = g_FXBase64EncoderMap[src.data2]; | 36 dst[0] = g_FXBase64EncoderMap[src.data2]; |
| 37 FX_DWORD b = src.data1 << 4; | 37 uint32_t b = src.data1 << 4; |
| 38 if (iBytes > 1) { | 38 if (iBytes > 1) { |
| 39 b |= src.data4; | 39 b |= src.data4; |
| 40 } | 40 } |
| 41 dst[1] = g_FXBase64EncoderMap[b]; | 41 dst[1] = g_FXBase64EncoderMap[b]; |
| 42 if (iBytes > 1) { | 42 if (iBytes > 1) { |
| 43 b = src.data3 << 2; | 43 b = src.data3 << 2; |
| 44 if (iBytes > 2) { | 44 if (iBytes > 2) { |
| 45 b |= src.data6; | 45 b |= src.data6; |
| 46 } | 46 } |
| 47 dst[2] = g_FXBase64EncoderMap[b]; | 47 dst[2] = g_FXBase64EncoderMap[b]; |
| (...skipping 21 matching lines...) Expand all Loading... |
| 69 FX_BASE64DATA srcData; | 69 FX_BASE64DATA srcData; |
| 70 int32_t iBytes = 3; | 70 int32_t iBytes = 3; |
| 71 FX_CHAR* pDstEnd = pDst; | 71 FX_CHAR* pDstEnd = pDst; |
| 72 while (iSrcLen > 0) { | 72 while (iSrcLen > 0) { |
| 73 if (iSrcLen > 2) { | 73 if (iSrcLen > 2) { |
| 74 ((uint8_t*)&srcData)[0] = *pSrc++; | 74 ((uint8_t*)&srcData)[0] = *pSrc++; |
| 75 ((uint8_t*)&srcData)[1] = *pSrc++; | 75 ((uint8_t*)&srcData)[1] = *pSrc++; |
| 76 ((uint8_t*)&srcData)[2] = *pSrc++; | 76 ((uint8_t*)&srcData)[2] = *pSrc++; |
| 77 iSrcLen -= 3; | 77 iSrcLen -= 3; |
| 78 } else { | 78 } else { |
| 79 *((FX_DWORD*)&srcData) = 0; | 79 *((uint32_t*)&srcData) = 0; |
| 80 ((uint8_t*)&srcData)[0] = *pSrc++; | 80 ((uint8_t*)&srcData)[0] = *pSrc++; |
| 81 if (iSrcLen > 1) { | 81 if (iSrcLen > 1) { |
| 82 ((uint8_t*)&srcData)[1] = *pSrc++; | 82 ((uint8_t*)&srcData)[1] = *pSrc++; |
| 83 } | 83 } |
| 84 iBytes = iSrcLen; | 84 iBytes = iSrcLen; |
| 85 iSrcLen = 0; | 85 iSrcLen = 0; |
| 86 } | 86 } |
| 87 FX_Base64EncodePiece(srcData, iBytes, pDstEnd); | 87 FX_Base64EncodePiece(srcData, iBytes, pDstEnd); |
| 88 pDstEnd += 4; | 88 pDstEnd += 4; |
| 89 } | 89 } |
| (...skipping 75 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 165 iDstLen += 2; | 165 iDstLen += 2; |
| 166 } | 166 } |
| 167 return iDstLen; | 167 return iDstLen; |
| 168 } | 168 } |
| 169 FX_CHAR srcData[4]; | 169 FX_CHAR srcData[4]; |
| 170 FX_BASE64DATA dstData; | 170 FX_BASE64DATA dstData; |
| 171 int32_t iChars = 4, iBytes; | 171 int32_t iChars = 4, iBytes; |
| 172 uint8_t* pDstEnd = pDst; | 172 uint8_t* pDstEnd = pDst; |
| 173 while (iSrcLen > 0) { | 173 while (iSrcLen > 0) { |
| 174 if (iSrcLen > 3) { | 174 if (iSrcLen > 3) { |
| 175 *((FX_DWORD*)srcData) = *((FX_DWORD*)pSrc); | 175 *((uint32_t*)srcData) = *((uint32_t*)pSrc); |
| 176 pSrc += 4; | 176 pSrc += 4; |
| 177 iSrcLen -= 4; | 177 iSrcLen -= 4; |
| 178 } else { | 178 } else { |
| 179 *((FX_DWORD*)&dstData) = 0; | 179 *((uint32_t*)&dstData) = 0; |
| 180 *((FX_DWORD*)srcData) = 0; | 180 *((uint32_t*)srcData) = 0; |
| 181 srcData[0] = *pSrc++; | 181 srcData[0] = *pSrc++; |
| 182 if (iSrcLen > 1) { | 182 if (iSrcLen > 1) { |
| 183 srcData[1] = *pSrc++; | 183 srcData[1] = *pSrc++; |
| 184 } | 184 } |
| 185 if (iSrcLen > 2) { | 185 if (iSrcLen > 2) { |
| 186 srcData[2] = *pSrc++; | 186 srcData[2] = *pSrc++; |
| 187 } | 187 } |
| 188 iChars = iSrcLen; | 188 iChars = iSrcLen; |
| 189 iSrcLen = 0; | 189 iSrcLen = 0; |
| 190 } | 190 } |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 227 int32_t iChars = 4, iBytes; | 227 int32_t iChars = 4, iBytes; |
| 228 uint8_t* pDstEnd = pDst; | 228 uint8_t* pDstEnd = pDst; |
| 229 while (iSrcLen > 0) { | 229 while (iSrcLen > 0) { |
| 230 if (iSrcLen > 3) { | 230 if (iSrcLen > 3) { |
| 231 srcData[0] = (FX_CHAR)*pSrc++; | 231 srcData[0] = (FX_CHAR)*pSrc++; |
| 232 srcData[1] = (FX_CHAR)*pSrc++; | 232 srcData[1] = (FX_CHAR)*pSrc++; |
| 233 srcData[2] = (FX_CHAR)*pSrc++; | 233 srcData[2] = (FX_CHAR)*pSrc++; |
| 234 srcData[3] = (FX_CHAR)*pSrc++; | 234 srcData[3] = (FX_CHAR)*pSrc++; |
| 235 iSrcLen -= 4; | 235 iSrcLen -= 4; |
| 236 } else { | 236 } else { |
| 237 *((FX_DWORD*)&dstData) = 0; | 237 *((uint32_t*)&dstData) = 0; |
| 238 *((FX_DWORD*)srcData) = 0; | 238 *((uint32_t*)srcData) = 0; |
| 239 srcData[0] = (FX_CHAR)*pSrc++; | 239 srcData[0] = (FX_CHAR)*pSrc++; |
| 240 if (iSrcLen > 1) { | 240 if (iSrcLen > 1) { |
| 241 srcData[1] = (FX_CHAR)*pSrc++; | 241 srcData[1] = (FX_CHAR)*pSrc++; |
| 242 } | 242 } |
| 243 if (iSrcLen > 2) { | 243 if (iSrcLen > 2) { |
| 244 srcData[2] = (FX_CHAR)*pSrc++; | 244 srcData[2] = (FX_CHAR)*pSrc++; |
| 245 } | 245 } |
| 246 iChars = iSrcLen; | 246 iChars = iSrcLen; |
| 247 iSrcLen = 0; | 247 iSrcLen = 0; |
| 248 } | 248 } |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 297 break; | 297 break; |
| 298 } | 298 } |
| 299 } | 299 } |
| 300 pStr++; | 300 pStr++; |
| 301 } | 301 } |
| 302 return pieces.GetSize(); | 302 return pieces.GetSize(); |
| 303 } | 303 } |
| 304 #ifdef __cplusplus | 304 #ifdef __cplusplus |
| 305 } | 305 } |
| 306 #endif | 306 #endif |
| OLD | NEW |