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/fee/fx_wordbreak/fx_wordbreak_impl.h" | 7 #include "xfa/fee/fx_wordbreak/fx_wordbreak_impl.h" |
8 | 8 |
9 FX_WordBreakProp FX_GetWordBreakProperty(FX_WCHAR wcCodePoint) { | 9 FX_WordBreakProp FX_GetWordBreakProperty(FX_WCHAR wcCodePoint) { |
10 uint32_t dwProperty = | 10 uint32_t dwProperty = |
11 (uint32_t)gs_FX_WordBreak_CodePointProperties[wcCodePoint >> 1]; | 11 (uint32_t)gs_FX_WordBreak_CodePointProperties[wcCodePoint >> 1]; |
12 return (FX_WordBreakProp)(((wcCodePoint)&1) ? (dwProperty & 0x0F) | 12 return (FX_WordBreakProp)(((wcCodePoint)&1) ? (dwProperty & 0x0F) |
13 : (dwProperty >> 4)); | 13 : (dwProperty >> 4)); |
14 } | 14 } |
15 | |
15 CFX_CharIter::CFX_CharIter(const CFX_WideString& wsText) | 16 CFX_CharIter::CFX_CharIter(const CFX_WideString& wsText) |
16 : m_wsText(wsText), m_nIndex(0) { | 17 : m_wsText(wsText), m_nIndex(0) { |
17 ASSERT(!wsText.IsEmpty()); | 18 ASSERT(!wsText.IsEmpty()); |
18 } | 19 } |
20 | |
19 CFX_CharIter::~CFX_CharIter() {} | 21 CFX_CharIter::~CFX_CharIter() {} |
20 void CFX_CharIter::Release() { | 22 |
21 delete this; | |
22 } | |
23 FX_BOOL CFX_CharIter::Next(FX_BOOL bPrev) { | 23 FX_BOOL CFX_CharIter::Next(FX_BOOL bPrev) { |
24 if (bPrev) { | 24 if (bPrev) { |
25 if (m_nIndex <= 0) { | 25 if (m_nIndex <= 0) { |
26 return FALSE; | 26 return FALSE; |
27 } | 27 } |
28 m_nIndex--; | 28 m_nIndex--; |
29 } else { | 29 } else { |
30 if (m_nIndex + 1 >= m_wsText.GetLength()) { | 30 if (m_nIndex + 1 >= m_wsText.GetLength()) { |
31 return FALSE; | 31 return FALSE; |
32 } | 32 } |
(...skipping 14 matching lines...) Expand all Loading... | |
47 return m_nIndex; | 47 return m_nIndex; |
48 } | 48 } |
49 FX_BOOL CFX_CharIter::IsEOF(FX_BOOL bTail) const { | 49 FX_BOOL CFX_CharIter::IsEOF(FX_BOOL bTail) const { |
50 return bTail ? (m_nIndex + 1 == m_wsText.GetLength()) : (m_nIndex == 0); | 50 return bTail ? (m_nIndex + 1 == m_wsText.GetLength()) : (m_nIndex == 0); |
51 } | 51 } |
52 IFX_CharIter* CFX_CharIter::Clone() { | 52 IFX_CharIter* CFX_CharIter::Clone() { |
53 CFX_CharIter* pIter = new CFX_CharIter(m_wsText); | 53 CFX_CharIter* pIter = new CFX_CharIter(m_wsText); |
54 pIter->m_nIndex = m_nIndex; | 54 pIter->m_nIndex = m_nIndex; |
55 return pIter; | 55 return pIter; |
56 } | 56 } |
57 CFX_WordBreak::CFX_WordBreak() : m_pPreIter(NULL), m_pCurIter(NULL) {} | 57 |
58 CFX_WordBreak::~CFX_WordBreak() { | 58 CFX_WordBreak::CFX_WordBreak() {} |
59 if (m_pPreIter) { | 59 CFX_WordBreak::~CFX_WordBreak() {} |
dsinclair
2016/05/17 20:20:47
nit: blank line before
| |
60 m_pPreIter->Release(); | 60 |
61 m_pPreIter = NULL; | |
62 } | |
63 if (m_pCurIter) { | |
64 m_pCurIter->Release(); | |
65 m_pCurIter = NULL; | |
66 } | |
67 } | |
68 void CFX_WordBreak::Release() { | |
69 delete this; | |
70 } | |
71 void CFX_WordBreak::Attach(IFX_CharIter* pIter) { | 61 void CFX_WordBreak::Attach(IFX_CharIter* pIter) { |
72 ASSERT(pIter); | 62 ASSERT(pIter); |
73 m_pCurIter = pIter; | 63 m_pCurIter.reset(pIter); |
74 } | 64 } |
75 void CFX_WordBreak::Attach(const CFX_WideString& wsText) { | 65 void CFX_WordBreak::Attach(const CFX_WideString& wsText) { |
76 m_pCurIter = new CFX_CharIter(wsText); | 66 m_pCurIter.reset(new CFX_CharIter(wsText)); |
77 } | 67 } |
78 FX_BOOL CFX_WordBreak::Next(FX_BOOL bPrev) { | 68 FX_BOOL CFX_WordBreak::Next(FX_BOOL bPrev) { |
79 IFX_CharIter* pIter = bPrev ? m_pPreIter->Clone() : m_pCurIter->Clone(); | 69 std::unique_ptr<IFX_CharIter> pIter( |
80 if (pIter->IsEOF(!bPrev)) { | 70 (bPrev ? m_pPreIter : m_pCurIter)->Clone()); |
71 if (pIter->IsEOF(!bPrev)) | |
81 return FALSE; | 72 return FALSE; |
82 } | 73 |
83 pIter->Next(bPrev); | 74 pIter->Next(bPrev); |
84 if (!FindNextBreakPos(pIter, bPrev, TRUE)) { | 75 if (!FindNextBreakPos(pIter.get(), bPrev, TRUE)) |
85 pIter->Release(); | |
86 return FALSE; | 76 return FALSE; |
87 } | 77 |
88 if (bPrev) { | 78 if (bPrev) { |
89 m_pCurIter->Release(); | 79 m_pCurIter = std::move(m_pPreIter); |
90 m_pCurIter = m_pPreIter; | |
91 m_pCurIter->Next(TRUE); | 80 m_pCurIter->Next(TRUE); |
92 m_pPreIter = pIter; | 81 m_pPreIter = std::move(pIter); |
93 } else { | 82 } else { |
94 m_pPreIter->Release(); | 83 m_pPreIter = std::move(m_pCurIter); |
95 m_pPreIter = m_pCurIter; | |
96 m_pPreIter->Next(); | 84 m_pPreIter->Next(); |
97 m_pCurIter = pIter; | 85 m_pCurIter = std::move(pIter); |
98 } | 86 } |
99 return TRUE; | 87 return TRUE; |
100 } | 88 } |
101 void CFX_WordBreak::SetAt(int32_t nIndex) { | 89 void CFX_WordBreak::SetAt(int32_t nIndex) { |
102 if (m_pPreIter) { | 90 m_pPreIter.reset(); |
103 m_pPreIter->Release(); | |
104 m_pPreIter = NULL; | |
105 } | |
106 m_pCurIter->SetAt(nIndex); | 91 m_pCurIter->SetAt(nIndex); |
107 FindNextBreakPos(m_pCurIter, TRUE, FALSE); | 92 FindNextBreakPos(m_pCurIter.get(), TRUE, FALSE); |
108 m_pPreIter = m_pCurIter; | 93 m_pPreIter = std::move(m_pCurIter); |
109 m_pCurIter = m_pPreIter->Clone(); | 94 m_pCurIter.reset(m_pPreIter->Clone()); |
110 FindNextBreakPos(m_pCurIter, FALSE, FALSE); | 95 FindNextBreakPos(m_pCurIter.get(), FALSE, FALSE); |
111 } | 96 } |
112 int32_t CFX_WordBreak::GetWordPos() const { | 97 int32_t CFX_WordBreak::GetWordPos() const { |
113 return m_pPreIter->GetAt(); | 98 return m_pPreIter->GetAt(); |
114 } | 99 } |
115 int32_t CFX_WordBreak::GetWordLength() const { | 100 int32_t CFX_WordBreak::GetWordLength() const { |
116 return m_pCurIter->GetAt() - m_pPreIter->GetAt() + 1; | 101 return m_pCurIter->GetAt() - m_pPreIter->GetAt() + 1; |
117 } | 102 } |
118 void CFX_WordBreak::GetWord(CFX_WideString& wsWord) const { | 103 void CFX_WordBreak::GetWord(CFX_WideString& wsWord) const { |
119 int32_t nWordLength = GetWordLength(); | 104 int32_t nWordLength = GetWordLength(); |
120 if (nWordLength <= 0) { | 105 if (nWordLength <= 0) { |
121 return; | 106 return; |
122 } | 107 } |
123 FX_WCHAR* lpBuf = wsWord.GetBuffer(nWordLength); | 108 FX_WCHAR* lpBuf = wsWord.GetBuffer(nWordLength); |
124 IFX_CharIter* pTempIter = m_pPreIter->Clone(); | 109 std::unique_ptr<IFX_CharIter> pTempIter(m_pPreIter->Clone()); |
125 int32_t i = 0; | 110 int32_t i = 0; |
126 while (pTempIter->GetAt() <= m_pCurIter->GetAt()) { | 111 while (pTempIter->GetAt() <= m_pCurIter->GetAt()) { |
127 lpBuf[i++] = pTempIter->GetChar(); | 112 lpBuf[i++] = pTempIter->GetChar(); |
128 FX_BOOL bEnd = pTempIter->Next(); | 113 if (!pTempIter->Next()) |
129 if (!bEnd) { | |
130 break; | 114 break; |
131 } | |
132 } | 115 } |
133 pTempIter->Release(); | |
134 wsWord.ReleaseBuffer(nWordLength); | 116 wsWord.ReleaseBuffer(nWordLength); |
135 } | 117 } |
136 FX_BOOL CFX_WordBreak::IsEOF(FX_BOOL bTail) const { | 118 FX_BOOL CFX_WordBreak::IsEOF(FX_BOOL bTail) const { |
137 return m_pCurIter->IsEOF(bTail); | 119 return m_pCurIter->IsEOF(bTail); |
138 } | 120 } |
139 FX_BOOL CFX_WordBreak::FindNextBreakPos(IFX_CharIter* pIter, | 121 FX_BOOL CFX_WordBreak::FindNextBreakPos(IFX_CharIter* pIter, |
140 FX_BOOL bPrev, | 122 FX_BOOL bPrev, |
141 FX_BOOL bFromNext) { | 123 FX_BOOL bFromNext) { |
142 FX_WordBreakProp ePreType = FX_WordBreakProp_None; | 124 FX_WordBreakProp ePreType = FX_WordBreakProp_None; |
143 FX_WordBreakProp eCurType = FX_WordBreakProp_None; | 125 FX_WordBreakProp eCurType = FX_WordBreakProp_None; |
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
226 return TRUE; | 208 return TRUE; |
227 } | 209 } |
228 } | 210 } |
229 } | 211 } |
230 ePreType = eCurType; | 212 ePreType = eCurType; |
231 eCurType = eNextType; | 213 eCurType = eNextType; |
232 bFirst = FALSE; | 214 bFirst = FALSE; |
233 } while (!pIter->IsEOF(!bPrev)); | 215 } while (!pIter->IsEOF(!bPrev)); |
234 return TRUE; | 216 return TRUE; |
235 } | 217 } |
OLD | NEW |