summaryrefslogtreecommitdiff
path: root/xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp')
-rw-r--r--xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp478
1 files changed, 239 insertions, 239 deletions
diff --git a/xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp b/xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp
index 1841523d9b..99045b43e7 100644
--- a/xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp
+++ b/xfa/src/fee/src/fx_wordbreak/fx_wordbreak_impl.cpp
@@ -1,239 +1,239 @@
-// 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 "xfa/src/foxitlib.h"
-#include "fx_wordbreak_impl.h"
-#define FX_IsOdd(a) ((a)&1)
-FX_WordBreakProp FX_GetWordBreakProperty(FX_WCHAR wcCodePoint) {
- FX_DWORD dwProperty =
- (FX_DWORD)gs_FX_WordBreak_CodePointProperties[wcCodePoint >> 1];
- return (FX_WordBreakProp)(FX_IsOdd(wcCodePoint) ? (dwProperty & 0x0F)
- : (dwProperty >> 4));
-}
-CFX_CharIter::CFX_CharIter(const CFX_WideString& wsText)
- : m_wsText(wsText), m_nIndex(0) {
- FXSYS_assert(!wsText.IsEmpty());
-}
-CFX_CharIter::~CFX_CharIter() {}
-void CFX_CharIter::Release() {
- delete this;
-}
-FX_BOOL CFX_CharIter::Next(FX_BOOL bPrev) {
- if (bPrev) {
- if (m_nIndex <= 0) {
- return FALSE;
- }
- m_nIndex--;
- } else {
- if (m_nIndex + 1 >= m_wsText.GetLength()) {
- return FALSE;
- }
- m_nIndex++;
- }
- return TRUE;
-}
-FX_WCHAR CFX_CharIter::GetChar() {
- return m_wsText.GetAt(m_nIndex);
-}
-void CFX_CharIter::SetAt(int32_t nIndex) {
- if (nIndex < 0 || nIndex >= m_wsText.GetLength()) {
- return;
- }
- m_nIndex = nIndex;
-}
-int32_t CFX_CharIter::GetAt() const {
- return m_nIndex;
-}
-FX_BOOL CFX_CharIter::IsEOF(FX_BOOL bTail) const {
- return bTail ? (m_nIndex + 1 == m_wsText.GetLength()) : (m_nIndex == 0);
-}
-IFX_CharIter* CFX_CharIter::Clone() {
- CFX_CharIter* pIter = new CFX_CharIter(m_wsText);
- pIter->m_nIndex = m_nIndex;
- return pIter;
-}
-CFX_WordBreak::CFX_WordBreak() : m_pPreIter(NULL), m_pCurIter(NULL) {}
-CFX_WordBreak::~CFX_WordBreak() {
- if (m_pPreIter) {
- m_pPreIter->Release();
- m_pPreIter = NULL;
- }
- if (m_pCurIter) {
- m_pCurIter->Release();
- m_pCurIter = NULL;
- }
-}
-void CFX_WordBreak::Release() {
- delete this;
-}
-void CFX_WordBreak::Attach(IFX_CharIter* pIter) {
- FXSYS_assert(pIter);
- m_pCurIter = pIter;
-}
-void CFX_WordBreak::Attach(const CFX_WideString& wsText) {
- m_pCurIter = new CFX_CharIter(wsText);
-}
-FX_BOOL CFX_WordBreak::Next(FX_BOOL bPrev) {
- IFX_CharIter* pIter = bPrev ? m_pPreIter->Clone() : m_pCurIter->Clone();
- if (pIter->IsEOF(!bPrev)) {
- return FALSE;
- }
- pIter->Next(bPrev);
- if (!FindNextBreakPos(pIter, bPrev, TRUE)) {
- pIter->Release();
- return FALSE;
- }
- if (bPrev) {
- m_pCurIter->Release();
- m_pCurIter = m_pPreIter;
- m_pCurIter->Next(TRUE);
- m_pPreIter = pIter;
- } else {
- m_pPreIter->Release();
- m_pPreIter = m_pCurIter;
- m_pPreIter->Next();
- m_pCurIter = pIter;
- }
- return TRUE;
-}
-void CFX_WordBreak::SetAt(int32_t nIndex) {
- if (m_pPreIter) {
- m_pPreIter->Release();
- m_pPreIter = NULL;
- }
- m_pCurIter->SetAt(nIndex);
- FindNextBreakPos(m_pCurIter, TRUE, FALSE);
- m_pPreIter = m_pCurIter;
- m_pCurIter = m_pPreIter->Clone();
- FindNextBreakPos(m_pCurIter, FALSE, FALSE);
-}
-int32_t CFX_WordBreak::GetWordPos() const {
- return m_pPreIter->GetAt();
-}
-int32_t CFX_WordBreak::GetWordLength() const {
- return m_pCurIter->GetAt() - m_pPreIter->GetAt() + 1;
-}
-void CFX_WordBreak::GetWord(CFX_WideString& wsWord) const {
- int32_t nWordLength = GetWordLength();
- if (nWordLength <= 0) {
- return;
- }
- FX_WCHAR* lpBuf = wsWord.GetBuffer(nWordLength);
- IFX_CharIter* pTempIter = m_pPreIter->Clone();
- int32_t i = 0;
- while (pTempIter->GetAt() <= m_pCurIter->GetAt()) {
- lpBuf[i++] = pTempIter->GetChar();
- FX_BOOL bEnd = pTempIter->Next();
- if (!bEnd) {
- break;
- }
- }
- pTempIter->Release();
- wsWord.ReleaseBuffer(nWordLength);
-}
-FX_BOOL CFX_WordBreak::IsEOF(FX_BOOL bTail) const {
- return m_pCurIter->IsEOF(bTail);
-}
-FX_BOOL CFX_WordBreak::FindNextBreakPos(IFX_CharIter* pIter,
- FX_BOOL bPrev,
- FX_BOOL bFromNext) {
- FX_WordBreakProp ePreType = FX_WordBreakProp_None;
- FX_WordBreakProp eCurType = FX_WordBreakProp_None;
- FX_WordBreakProp eNextType = FX_WordBreakProp_None;
- if (pIter->IsEOF(!bPrev)) {
- return TRUE;
- }
- if (!(bFromNext || pIter->IsEOF(bPrev))) {
- pIter->Next(!bPrev);
- FX_WCHAR wcTemp = pIter->GetChar();
- ePreType = FX_GetWordBreakProperty(wcTemp);
- pIter->Next(bPrev);
- }
- FX_WCHAR wcTemp = pIter->GetChar();
- eCurType = FX_GetWordBreakProperty(wcTemp);
- FX_BOOL bFirst = TRUE;
- do {
- pIter->Next(bPrev);
- FX_WCHAR wcTemp = pIter->GetChar();
- eNextType = FX_GetWordBreakProperty(wcTemp);
- FX_WORD wBreak =
- gs_FX_WordBreak_Table[eCurType] & ((FX_WORD)(1 << eNextType));
- if (wBreak) {
- if (pIter->IsEOF(!bPrev)) {
- pIter->Next(!bPrev);
- return TRUE;
- }
- if (bFirst) {
- int32_t nFlags = 0;
- if (eCurType == FX_WordBreakProp_MidLetter) {
- if (eNextType == FX_WordBreakProp_ALetter) {
- nFlags = 1;
- }
- } else if (eCurType == FX_WordBreakProp_MidNum) {
- if (eNextType == FX_WordBreakProp_Numberic) {
- nFlags = 2;
- }
- } else if (eCurType == FX_WordBreakProp_MidNumLet) {
- if (eNextType == FX_WordBreakProp_ALetter) {
- nFlags = 1;
- } else if (eNextType == FX_WordBreakProp_Numberic) {
- nFlags = 2;
- }
- }
- if (nFlags > 0) {
- FXSYS_assert(nFlags <= 2);
- if (!((nFlags == 1 && ePreType == FX_WordBreakProp_ALetter) ||
- (nFlags == 2 && ePreType == FX_WordBreakProp_Numberic))) {
- pIter->Next(!bPrev);
- return TRUE;
- }
- pIter->Next(bPrev);
- wBreak = FALSE;
- }
- bFirst = FALSE;
- }
- if (wBreak) {
- int32_t nFlags = 0;
- if (eNextType == FX_WordBreakProp_MidLetter) {
- if (eCurType == FX_WordBreakProp_ALetter) {
- nFlags = 1;
- }
- } else if (eNextType == FX_WordBreakProp_MidNum) {
- if (eCurType == FX_WordBreakProp_Numberic) {
- nFlags = 2;
- }
- } else if (eNextType == FX_WordBreakProp_MidNumLet) {
- if (eCurType == FX_WordBreakProp_ALetter) {
- nFlags = 1;
- } else if (eCurType == FX_WordBreakProp_Numberic) {
- nFlags = 2;
- }
- }
- if (nFlags <= 0) {
- pIter->Next(!bPrev);
- return TRUE;
- }
- FXSYS_assert(nFlags <= 2);
- pIter->Next(bPrev);
- wcTemp = pIter->GetChar();
- eNextType = (FX_WordBreakProp)FX_GetWordBreakProperty(wcTemp);
- if (!((nFlags == 1 && eNextType == FX_WordBreakProp_ALetter) ||
- (nFlags == 2 && eNextType == FX_WordBreakProp_Numberic))) {
- pIter->Next(!bPrev);
- pIter->Next(!bPrev);
- return TRUE;
- }
- }
- }
- ePreType = eCurType;
- eCurType = eNextType;
- bFirst = FALSE;
- } while (!pIter->IsEOF(!bPrev));
- return TRUE;
-}
-IFX_WordBreak* FX_WordBreak_Create() {
- return new CFX_WordBreak;
-}
+// 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 "xfa/src/foxitlib.h"
+#include "fx_wordbreak_impl.h"
+#define FX_IsOdd(a) ((a)&1)
+FX_WordBreakProp FX_GetWordBreakProperty(FX_WCHAR wcCodePoint) {
+ FX_DWORD dwProperty =
+ (FX_DWORD)gs_FX_WordBreak_CodePointProperties[wcCodePoint >> 1];
+ return (FX_WordBreakProp)(FX_IsOdd(wcCodePoint) ? (dwProperty & 0x0F)
+ : (dwProperty >> 4));
+}
+CFX_CharIter::CFX_CharIter(const CFX_WideString& wsText)
+ : m_wsText(wsText), m_nIndex(0) {
+ FXSYS_assert(!wsText.IsEmpty());
+}
+CFX_CharIter::~CFX_CharIter() {}
+void CFX_CharIter::Release() {
+ delete this;
+}
+FX_BOOL CFX_CharIter::Next(FX_BOOL bPrev) {
+ if (bPrev) {
+ if (m_nIndex <= 0) {
+ return FALSE;
+ }
+ m_nIndex--;
+ } else {
+ if (m_nIndex + 1 >= m_wsText.GetLength()) {
+ return FALSE;
+ }
+ m_nIndex++;
+ }
+ return TRUE;
+}
+FX_WCHAR CFX_CharIter::GetChar() {
+ return m_wsText.GetAt(m_nIndex);
+}
+void CFX_CharIter::SetAt(int32_t nIndex) {
+ if (nIndex < 0 || nIndex >= m_wsText.GetLength()) {
+ return;
+ }
+ m_nIndex = nIndex;
+}
+int32_t CFX_CharIter::GetAt() const {
+ return m_nIndex;
+}
+FX_BOOL CFX_CharIter::IsEOF(FX_BOOL bTail) const {
+ return bTail ? (m_nIndex + 1 == m_wsText.GetLength()) : (m_nIndex == 0);
+}
+IFX_CharIter* CFX_CharIter::Clone() {
+ CFX_CharIter* pIter = new CFX_CharIter(m_wsText);
+ pIter->m_nIndex = m_nIndex;
+ return pIter;
+}
+CFX_WordBreak::CFX_WordBreak() : m_pPreIter(NULL), m_pCurIter(NULL) {}
+CFX_WordBreak::~CFX_WordBreak() {
+ if (m_pPreIter) {
+ m_pPreIter->Release();
+ m_pPreIter = NULL;
+ }
+ if (m_pCurIter) {
+ m_pCurIter->Release();
+ m_pCurIter = NULL;
+ }
+}
+void CFX_WordBreak::Release() {
+ delete this;
+}
+void CFX_WordBreak::Attach(IFX_CharIter* pIter) {
+ FXSYS_assert(pIter);
+ m_pCurIter = pIter;
+}
+void CFX_WordBreak::Attach(const CFX_WideString& wsText) {
+ m_pCurIter = new CFX_CharIter(wsText);
+}
+FX_BOOL CFX_WordBreak::Next(FX_BOOL bPrev) {
+ IFX_CharIter* pIter = bPrev ? m_pPreIter->Clone() : m_pCurIter->Clone();
+ if (pIter->IsEOF(!bPrev)) {
+ return FALSE;
+ }
+ pIter->Next(bPrev);
+ if (!FindNextBreakPos(pIter, bPrev, TRUE)) {
+ pIter->Release();
+ return FALSE;
+ }
+ if (bPrev) {
+ m_pCurIter->Release();
+ m_pCurIter = m_pPreIter;
+ m_pCurIter->Next(TRUE);
+ m_pPreIter = pIter;
+ } else {
+ m_pPreIter->Release();
+ m_pPreIter = m_pCurIter;
+ m_pPreIter->Next();
+ m_pCurIter = pIter;
+ }
+ return TRUE;
+}
+void CFX_WordBreak::SetAt(int32_t nIndex) {
+ if (m_pPreIter) {
+ m_pPreIter->Release();
+ m_pPreIter = NULL;
+ }
+ m_pCurIter->SetAt(nIndex);
+ FindNextBreakPos(m_pCurIter, TRUE, FALSE);
+ m_pPreIter = m_pCurIter;
+ m_pCurIter = m_pPreIter->Clone();
+ FindNextBreakPos(m_pCurIter, FALSE, FALSE);
+}
+int32_t CFX_WordBreak::GetWordPos() const {
+ return m_pPreIter->GetAt();
+}
+int32_t CFX_WordBreak::GetWordLength() const {
+ return m_pCurIter->GetAt() - m_pPreIter->GetAt() + 1;
+}
+void CFX_WordBreak::GetWord(CFX_WideString& wsWord) const {
+ int32_t nWordLength = GetWordLength();
+ if (nWordLength <= 0) {
+ return;
+ }
+ FX_WCHAR* lpBuf = wsWord.GetBuffer(nWordLength);
+ IFX_CharIter* pTempIter = m_pPreIter->Clone();
+ int32_t i = 0;
+ while (pTempIter->GetAt() <= m_pCurIter->GetAt()) {
+ lpBuf[i++] = pTempIter->GetChar();
+ FX_BOOL bEnd = pTempIter->Next();
+ if (!bEnd) {
+ break;
+ }
+ }
+ pTempIter->Release();
+ wsWord.ReleaseBuffer(nWordLength);
+}
+FX_BOOL CFX_WordBreak::IsEOF(FX_BOOL bTail) const {
+ return m_pCurIter->IsEOF(bTail);
+}
+FX_BOOL CFX_WordBreak::FindNextBreakPos(IFX_CharIter* pIter,
+ FX_BOOL bPrev,
+ FX_BOOL bFromNext) {
+ FX_WordBreakProp ePreType = FX_WordBreakProp_None;
+ FX_WordBreakProp eCurType = FX_WordBreakProp_None;
+ FX_WordBreakProp eNextType = FX_WordBreakProp_None;
+ if (pIter->IsEOF(!bPrev)) {
+ return TRUE;
+ }
+ if (!(bFromNext || pIter->IsEOF(bPrev))) {
+ pIter->Next(!bPrev);
+ FX_WCHAR wcTemp = pIter->GetChar();
+ ePreType = FX_GetWordBreakProperty(wcTemp);
+ pIter->Next(bPrev);
+ }
+ FX_WCHAR wcTemp = pIter->GetChar();
+ eCurType = FX_GetWordBreakProperty(wcTemp);
+ FX_BOOL bFirst = TRUE;
+ do {
+ pIter->Next(bPrev);
+ FX_WCHAR wcTemp = pIter->GetChar();
+ eNextType = FX_GetWordBreakProperty(wcTemp);
+ FX_WORD wBreak =
+ gs_FX_WordBreak_Table[eCurType] & ((FX_WORD)(1 << eNextType));
+ if (wBreak) {
+ if (pIter->IsEOF(!bPrev)) {
+ pIter->Next(!bPrev);
+ return TRUE;
+ }
+ if (bFirst) {
+ int32_t nFlags = 0;
+ if (eCurType == FX_WordBreakProp_MidLetter) {
+ if (eNextType == FX_WordBreakProp_ALetter) {
+ nFlags = 1;
+ }
+ } else if (eCurType == FX_WordBreakProp_MidNum) {
+ if (eNextType == FX_WordBreakProp_Numberic) {
+ nFlags = 2;
+ }
+ } else if (eCurType == FX_WordBreakProp_MidNumLet) {
+ if (eNextType == FX_WordBreakProp_ALetter) {
+ nFlags = 1;
+ } else if (eNextType == FX_WordBreakProp_Numberic) {
+ nFlags = 2;
+ }
+ }
+ if (nFlags > 0) {
+ FXSYS_assert(nFlags <= 2);
+ if (!((nFlags == 1 && ePreType == FX_WordBreakProp_ALetter) ||
+ (nFlags == 2 && ePreType == FX_WordBreakProp_Numberic))) {
+ pIter->Next(!bPrev);
+ return TRUE;
+ }
+ pIter->Next(bPrev);
+ wBreak = FALSE;
+ }
+ bFirst = FALSE;
+ }
+ if (wBreak) {
+ int32_t nFlags = 0;
+ if (eNextType == FX_WordBreakProp_MidLetter) {
+ if (eCurType == FX_WordBreakProp_ALetter) {
+ nFlags = 1;
+ }
+ } else if (eNextType == FX_WordBreakProp_MidNum) {
+ if (eCurType == FX_WordBreakProp_Numberic) {
+ nFlags = 2;
+ }
+ } else if (eNextType == FX_WordBreakProp_MidNumLet) {
+ if (eCurType == FX_WordBreakProp_ALetter) {
+ nFlags = 1;
+ } else if (eCurType == FX_WordBreakProp_Numberic) {
+ nFlags = 2;
+ }
+ }
+ if (nFlags <= 0) {
+ pIter->Next(!bPrev);
+ return TRUE;
+ }
+ FXSYS_assert(nFlags <= 2);
+ pIter->Next(bPrev);
+ wcTemp = pIter->GetChar();
+ eNextType = (FX_WordBreakProp)FX_GetWordBreakProperty(wcTemp);
+ if (!((nFlags == 1 && eNextType == FX_WordBreakProp_ALetter) ||
+ (nFlags == 2 && eNextType == FX_WordBreakProp_Numberic))) {
+ pIter->Next(!bPrev);
+ pIter->Next(!bPrev);
+ return TRUE;
+ }
+ }
+ }
+ ePreType = eCurType;
+ eCurType = eNextType;
+ bFirst = FALSE;
+ } while (!pIter->IsEOF(!bPrev));
+ return TRUE;
+}
+IFX_WordBreak* FX_WordBreak_Create() {
+ return new CFX_WordBreak;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 19:49:56 +0000