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Side by Side Diff: core/src/fpdftext/unicodenormalization.cpp

Issue 453133004: clang-format all code (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 6 years, 4 months ago
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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 "../../include/fpdftext/fpdf_text.h" 7 #include "../../include/fpdftext/fpdf_text.h"
8 extern const FX_WCHAR g_UnicodeData_Normalization[65536]; 8 extern const FX_WCHAR g_UnicodeData_Normalization[65536];
9 extern const FX_WCHAR g_UnicodeData_Normalization_Map1[5376]; 9 extern const FX_WCHAR g_UnicodeData_Normalization_Map1[5376];
10 extern const FX_WCHAR g_UnicodeData_Normalization_Map2[1734]; 10 extern const FX_WCHAR g_UnicodeData_Normalization_Map2[1734];
11 extern const FX_WCHAR g_UnicodeData_Normalization_Map3[1164]; 11 extern const FX_WCHAR g_UnicodeData_Normalization_Map3[1164];
12 extern const FX_WCHAR g_UnicodeData_Normalization_Map4[488]; 12 extern const FX_WCHAR g_UnicodeData_Normalization_Map4[488];
13 FX_LPCWSTR g_UnicodeData_Normalization_Maps[5] = { 13 FX_LPCWSTR g_UnicodeData_Normalization_Maps[5] = {
14 NULL, 14 NULL,
15 g_UnicodeData_Normalization_Map1, 15 g_UnicodeData_Normalization_Map1,
16 g_UnicodeData_Normalization_Map2, 16 g_UnicodeData_Normalization_Map2,
17 g_UnicodeData_Normalization_Map3, 17 g_UnicodeData_Normalization_Map3,
18 g_UnicodeData_Normalization_Map4 18 g_UnicodeData_Normalization_Map4
19 }; 19 };
20 FX_STRSIZE FX_Unicode_GetNormalization(FX_WCHAR wch, FX_LPWSTR pDst) 20 FX_STRSIZE FX_Unicode_GetNormalization(FX_WCHAR wch, FX_LPWSTR pDst) {
21 { 21 wch = wch & 0xFFFF;
22 wch = wch & 0xFFFF; 22 FX_WCHAR wFind = g_UnicodeData_Normalization[wch];
23 FX_WCHAR wFind = g_UnicodeData_Normalization[wch]; 23 if (!wFind) {
24 if (!wFind) { 24 if (pDst) {
25 if (pDst) { 25 *pDst = wch;
26 *pDst = wch;
27 }
28 return 1;
29 } 26 }
30 if(wFind >= 0x8000) { 27 return 1;
31 wch = wFind - 0x8000; 28 }
32 wFind = 1; 29 if (wFind >= 0x8000) {
30 wch = wFind - 0x8000;
31 wFind = 1;
32 } else {
33 wch = wFind & 0x0FFF;
34 wFind >>= 12;
35 }
36 FX_LPCWSTR pMap = g_UnicodeData_Normalization_Maps[wFind];
37 if (pMap == g_UnicodeData_Normalization_Map4) {
38 pMap = g_UnicodeData_Normalization_Map4 + wch;
39 wFind = (FX_WCHAR)(*pMap++);
40 } else {
41 pMap += wch;
42 }
43 if (pDst) {
44 FX_WCHAR n = wFind;
45 while (n--) {
46 *pDst++ = *pMap++;
47 }
48 }
49 return (FX_STRSIZE)wFind;
50 }
51 FX_STRSIZE FX_WideString_GetNormalization(FX_WSTR wsSrc, FX_LPWSTR pDst) {
52 FX_STRSIZE nCount = 0;
53 for (FX_STRSIZE len = 0; len < wsSrc.GetLength(); len++) {
54 FX_WCHAR wch = wsSrc.GetAt(len);
55 if (pDst) {
56 nCount += FX_Unicode_GetNormalization(wch, pDst + nCount);
33 } else { 57 } else {
34 wch = wFind & 0x0FFF; 58 nCount += FX_Unicode_GetNormalization(wch, pDst);
35 wFind >>= 12;
36 } 59 }
37 FX_LPCWSTR pMap = g_UnicodeData_Normalization_Maps[wFind]; 60 }
38 if (pMap == g_UnicodeData_Normalization_Map4) { 61 return nCount;
39 pMap = g_UnicodeData_Normalization_Map4 + wch;
40 wFind = (FX_WCHAR)(*pMap ++);
41 } else {
42 pMap += wch;
43 }
44 if (pDst) {
45 FX_WCHAR n = wFind;
46 while (n --) {
47 *pDst ++ = *pMap ++;
48 }
49 }
50 return (FX_STRSIZE)wFind;
51 } 62 }
52 FX_STRSIZE FX_WideString_GetNormalization(FX_WSTR wsSrc, FX_LPWSTR pDst) 63 FX_STRSIZE FX_WideString_GetNormalization(FX_WSTR wsSrc,
53 { 64 CFX_WideString& wsDst) {
54 FX_STRSIZE nCount = 0; 65 FX_STRSIZE nLen = FX_WideString_GetNormalization(wsSrc, (FX_LPWSTR)NULL);
55 for (FX_STRSIZE len = 0; len < wsSrc.GetLength(); len ++) { 66 if (!nLen) {
56 FX_WCHAR wch = wsSrc.GetAt(len); 67 return 0;
57 if(pDst) { 68 }
58 nCount += FX_Unicode_GetNormalization(wch, pDst + nCount); 69 FX_LPWSTR pBuf = wsDst.GetBuffer(nLen);
59 } else { 70 FX_WideString_GetNormalization(wsSrc, pBuf);
60 nCount += FX_Unicode_GetNormalization(wch, pDst); 71 wsDst.ReleaseBuffer(nLen);
61 } 72 return nLen;
62 }
63 return nCount;
64 } 73 }
65 FX_STRSIZE FX_WideString_GetNormalization(FX_WSTR wsSrc, CFX_WideString &wsDst)
66 {
67 FX_STRSIZE nLen = FX_WideString_GetNormalization(wsSrc, (FX_LPWSTR)NULL);
68 if (!nLen) {
69 return 0;
70 }
71 FX_LPWSTR pBuf = wsDst.GetBuffer(nLen);
72 FX_WideString_GetNormalization(wsSrc, pBuf);
73 wsDst.ReleaseBuffer(nLen);
74 return nLen;
75 }
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