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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "txatbase.hxx"
21 : #include "ndhints.hxx"
22 : #include <txtatr.hxx>
23 :
24 : #ifdef DBG_UTIL
25 : #include <pam.hxx>
26 : #include <fmtautofmt.hxx>
27 : #include <set>
28 : #endif
29 :
30 : inline void DumpHints(const SwpHtStart &, const SwpHtEnd &) { }
31 :
32 : /*************************************************************************
33 : * IsLessStart()
34 : *************************************************************************/
35 :
36 : // Sortierreihenfolge: Start, Ende (umgekehrt!), Which-Wert (umgekehrt!),
37 : // als letztes die Adresse selbst
38 :
39 0 : static bool lcl_IsLessStart( const SwTxtAttr &rHt1, const SwTxtAttr &rHt2 )
40 : {
41 0 : if ( *rHt1.GetStart() == *rHt2.GetStart() )
42 : {
43 0 : const sal_Int32 nHt1 = *rHt1.GetAnyEnd();
44 0 : const sal_Int32 nHt2 = *rHt2.GetAnyEnd();
45 0 : if ( nHt1 == nHt2 )
46 : {
47 0 : const sal_uInt16 nWhich1 = rHt1.Which();
48 0 : const sal_uInt16 nWhich2 = rHt2.Which();
49 0 : if ( nWhich1 == nWhich2 )
50 : {
51 0 : if ( RES_TXTATR_CHARFMT == nWhich1 )
52 : {
53 0 : const sal_uInt16 nS1 = static_cast<const SwTxtCharFmt&>(rHt1).GetSortNumber();
54 0 : const sal_uInt16 nS2 = static_cast<const SwTxtCharFmt&>(rHt2).GetSortNumber();
55 0 : if ( nS1 != nS2 ) // robust
56 0 : return nS1 < nS2;
57 : }
58 :
59 0 : return (sal_IntPtr)&rHt1 < (sal_IntPtr)&rHt2;
60 : }
61 : // order is important! for requirements see hintids.hxx
62 0 : return ( nWhich1 > nWhich2 );
63 : }
64 0 : return ( nHt1 > nHt2 );
65 : }
66 0 : return ( *rHt1.GetStart() < *rHt2.GetStart() );
67 : }
68 :
69 : /*************************************************************************
70 : * inline IsLessEnd()
71 : *************************************************************************/
72 :
73 : // Zuerst nach Ende danach nach Ptr
74 0 : static bool lcl_IsLessEnd( const SwTxtAttr &rHt1, const SwTxtAttr &rHt2 )
75 : {
76 0 : const sal_Int32 nHt1 = *rHt1.GetAnyEnd();
77 0 : const sal_Int32 nHt2 = *rHt2.GetAnyEnd();
78 0 : if ( nHt1 == nHt2 )
79 : {
80 0 : if ( *rHt1.GetStart() == *rHt2.GetStart() )
81 : {
82 0 : const sal_uInt16 nWhich1 = rHt1.Which();
83 0 : const sal_uInt16 nWhich2 = rHt2.Which();
84 0 : if ( nWhich1 == nWhich2 )
85 : {
86 0 : if ( RES_TXTATR_CHARFMT == nWhich1 )
87 : {
88 0 : const sal_uInt16 nS1 = static_cast<const SwTxtCharFmt&>(rHt1).GetSortNumber();
89 0 : const sal_uInt16 nS2 = static_cast<const SwTxtCharFmt&>(rHt2).GetSortNumber();
90 0 : if ( nS1 != nS2 ) // robust
91 0 : return nS1 > nS2;
92 : }
93 :
94 0 : return (sal_IntPtr)&rHt1 > (sal_IntPtr)&rHt2;
95 : }
96 : // order is important! for requirements see hintids.hxx
97 0 : return ( nWhich1 < nWhich2 );
98 : }
99 : else
100 0 : return ( *rHt1.GetStart() > *rHt2.GetStart() );
101 : }
102 0 : return ( nHt1 < nHt2 );
103 : }
104 :
105 0 : bool CompareSwpHtStart::operator()(SwTxtAttr* const lhs, SwTxtAttr* const rhs) const
106 : {
107 0 : return lcl_IsLessStart( *lhs, *rhs );
108 : }
109 :
110 0 : bool CompareSwpHtEnd::operator()(SwTxtAttr* const lhs, SwTxtAttr* const rhs) const
111 : {
112 0 : return lcl_IsLessEnd( *lhs, *rhs );
113 : }
114 :
115 : /*************************************************************************
116 : * class SwpHintsArr
117 : *************************************************************************/
118 :
119 0 : void SwpHintsArray::Insert( const SwTxtAttr *pHt )
120 : {
121 0 : Resort();
122 : assert(m_HintStarts.find(const_cast<SwTxtAttr*>(pHt))
123 : == m_HintStarts.end()); // "Insert: hint already in HtStart"
124 : assert(m_HintEnds.find(const_cast<SwTxtAttr*>(pHt))
125 : == m_HintEnds.end()); // "Insert: hint already in HtEnd"
126 0 : m_HintStarts.insert( const_cast<SwTxtAttr*>(pHt) );
127 0 : m_HintEnds .insert( const_cast<SwTxtAttr*>(pHt) );
128 0 : }
129 :
130 0 : void SwpHintsArray::DeleteAtPos( const sal_uInt16 nPos )
131 : {
132 : // optimization: nPos is the position in the Starts array
133 0 : SwTxtAttr *pHt = m_HintStarts[ nPos ];
134 0 : m_HintStarts.erase( m_HintStarts.begin() + nPos );
135 :
136 0 : Resort();
137 :
138 0 : bool const done = m_HintEnds.erase(pHt);
139 : assert(done);
140 : (void) done; // unused in NDEBUG
141 0 : }
142 :
143 0 : sal_uInt16 SwpHintsArray::GetPos( const SwTxtAttr *pHt ) const
144 : {
145 : // DO NOT use find() here!
146 : // if called from SwTxtNode::InsertItem, pHt has already been deleted,
147 : // so it cannot be dereferenced
148 0 : for (size_t i = 0; i < m_HintStarts.size(); ++i)
149 : {
150 0 : if (m_HintStarts[i] == pHt)
151 : {
152 0 : return i;
153 : }
154 : }
155 0 : return USHRT_MAX;
156 : }
157 :
158 : #ifdef DBG_UTIL
159 :
160 : /*************************************************************************
161 : * SwpHintsArray::Check()
162 : *************************************************************************/
163 :
164 : #define CHECK_ERR(cond, text) \
165 : if(!(cond)) \
166 : { \
167 : SAL_WARN("sw.core", text); \
168 : DumpHints(m_HintStarts, m_HintEnds); \
169 : (const_cast<SwpHintsArray*>(this))->Resort(); \
170 : return false; \
171 : }
172 :
173 : bool SwpHintsArray::Check(bool bPortionsMerged) const
174 : {
175 : // 1) gleiche Anzahl in beiden Arrays
176 : CHECK_ERR( m_HintStarts.size() == m_HintEnds.size(),
177 : "HintsCheck: wrong sizes" );
178 : sal_Int32 nLastStart = 0;
179 : sal_Int32 nLastEnd = 0;
180 :
181 : const SwTxtAttr *pLastStart = 0;
182 : const SwTxtAttr *pLastEnd = 0;
183 : std::set<SwTxtAttr const*> RsidOnlyAutoFmts;
184 : if (bPortionsMerged)
185 : {
186 : for (sal_uInt16 i = 0; i < Count(); ++i)
187 : {
188 : SwTxtAttr const*const pHint(m_HintStarts[i]);
189 : if (RES_TXTATR_AUTOFMT == pHint->Which())
190 : {
191 : boost::shared_ptr<SfxItemSet> const pSet(
192 : pHint->GetAutoFmt().GetStyleHandle());
193 : if (pSet->Count() == 1 && pSet->GetItem(RES_CHRATR_RSID, false))
194 : {
195 : RsidOnlyAutoFmts.insert(pHint);
196 : }
197 : }
198 : }
199 : }
200 :
201 : for( sal_uInt16 i = 0; i < Count(); ++i )
202 : {
203 : // --- Start-Kontrolle ---
204 :
205 : // 2a) gueltiger Pointer? vgl. DELETEFF
206 : const SwTxtAttr *pHt = m_HintStarts[i];
207 : CHECK_ERR( 0xFF != *(unsigned char*)pHt, "HintsCheck: start ptr was deleted" );
208 :
209 : // 3a) Stimmt die Start-Sortierung?
210 : sal_Int32 nIdx = *pHt->GetStart();
211 : CHECK_ERR( nIdx >= nLastStart, "HintsCheck: starts are unsorted" );
212 :
213 : // 4a) IsLessStart-Konsistenz
214 : if( pLastStart )
215 : CHECK_ERR( lcl_IsLessStart( *pLastStart, *pHt ), "HintsCheck: IsLastStart" );
216 :
217 : nLastStart = nIdx;
218 : pLastStart = pHt;
219 :
220 : // --- End-Kontrolle ---
221 :
222 : // 2b) gueltiger Pointer? vgl. DELETEFF
223 : const SwTxtAttr *pHtEnd = m_HintEnds[i];
224 : CHECK_ERR( 0xFF != *(unsigned char*)pHtEnd, "HintsCheck: end ptr was deleted" );
225 :
226 : // 3b) Stimmt die End-Sortierung?
227 : nIdx = *pHtEnd->GetAnyEnd();
228 : CHECK_ERR( nIdx >= nLastEnd, "HintsCheck: ends are unsorted" );
229 : nLastEnd = nIdx;
230 :
231 : // 4b) IsLessEnd-Konsistenz
232 : if( pLastEnd )
233 : CHECK_ERR( lcl_IsLessEnd( *pLastEnd, *pHtEnd ), "HintsCheck: IsLastEnd" );
234 :
235 : nLastEnd = nIdx;
236 : pLastEnd = pHtEnd;
237 :
238 : // --- Ueberkreuzungen ---
239 :
240 : // 5) gleiche Pointer in beiden Arrays
241 : if (m_HintStarts.find(const_cast<SwTxtAttr*>(pHt)) == m_HintStarts.end())
242 : nIdx = COMPLETE_STRING;
243 :
244 : CHECK_ERR( COMPLETE_STRING != nIdx, "HintsCheck: no GetStartOf" );
245 :
246 : // 6) gleiche Pointer in beiden Arrays
247 : if (m_HintEnds.find(const_cast<SwTxtAttr*>(pHt)) == m_HintEnds.end())
248 : nIdx = COMPLETE_STRING;
249 :
250 : CHECK_ERR( COMPLETE_STRING != nIdx, "HintsCheck: no GetEndOf" );
251 :
252 : // 7a) character attributes in array?
253 : sal_uInt16 nWhich = pHt->Which();
254 : CHECK_ERR( !isCHRATR(nWhich),
255 : "HintsCheck: Character attribute in start array" );
256 :
257 : // 7b) character attributes in array?
258 : nWhich = pHtEnd->Which();
259 : CHECK_ERR( !isCHRATR(nWhich),
260 : "HintsCheck: Character attribute in end array" );
261 :
262 : // 8) style portion check
263 : const SwTxtAttr* pHtThis = m_HintStarts[i];
264 : const SwTxtAttr* pHtLast = i > 0 ? m_HintStarts[i-1] : 0;
265 : CHECK_ERR( (0 == i)
266 : || ( (RES_TXTATR_CHARFMT != pHtLast->Which())
267 : && (RES_TXTATR_AUTOFMT != pHtLast->Which()))
268 : || ( (RES_TXTATR_CHARFMT != pHtThis->Which())
269 : && (RES_TXTATR_AUTOFMT != pHtThis->Which()))
270 : || (*pHtThis->GetStart() >= *pHtLast->End()) // no overlap
271 : || ( ( (*pHtThis->GetStart() == *pHtLast->GetStart())
272 : && (*pHtThis->End() == *pHtLast->End())
273 : ) // same range
274 : && ( (pHtThis->Which() != RES_TXTATR_AUTOFMT)
275 : || (pHtLast->Which() != RES_TXTATR_AUTOFMT)
276 : ) // never two AUTOFMT on same range
277 : && ( (pHtThis->Which() != RES_TXTATR_CHARFMT)
278 : || (pHtLast->Which() != RES_TXTATR_CHARFMT)
279 : || (static_cast<const SwTxtCharFmt *>(pHtThis)
280 : ->GetSortNumber() !=
281 : static_cast<const SwTxtCharFmt *>(pHtLast)
282 : ->GetSortNumber())
283 : ) // multiple CHARFMT on same range need distinct sortnr
284 : )
285 : || (*pHtThis->GetStart() == *pHtThis->End()), // this empty
286 : "HintsCheck: Portion inconsistency. "
287 : "This can be temporarily ok during undo operations" );
288 :
289 : // 8 1/2) format ignore start/end flag check
290 : // (problems because MergePortions buggy or not called)
291 : if (bPortionsMerged)
292 : {
293 : if (RES_TXTATR_AUTOFMT == pHt->Which() ||
294 : RES_TXTATR_CHARFMT == pHt->Which())
295 : {
296 : // mostly ignore the annoying no-length hints
297 : // BuildPortions inserts these in the middle of an existing one
298 : bool const bNoLength(*pHt->GetStart() == *pHt->End());
299 : bool bNeedContinuation(!bNoLength && pHt->IsFormatIgnoreEnd());
300 : bool bForbidContinuation(!bNoLength && !bNeedContinuation);
301 : if (RES_TXTATR_AUTOFMT == pHt->Which())
302 : {
303 : if (RsidOnlyAutoFmts.find(pHt) != RsidOnlyAutoFmts.end())
304 : {
305 : assert(pHt->IsFormatIgnoreStart());
306 : bNeedContinuation = false;
307 : // don't forbid continuation - may be other hint here!
308 : }
309 : }
310 : if (bNeedContinuation || bForbidContinuation)
311 : {
312 : bool bFound(false);
313 : for (sal_uInt16 j = i + 1; j < Count(); ++j)
314 : {
315 : SwTxtAttr *const pOther(m_HintStarts[j]);
316 : if (*pOther->GetStart() > *pHt->End())
317 : {
318 : break; // done
319 : }
320 : else if (*pOther->GetStart() == *pOther->GetAnyEnd())
321 : {
322 : continue; // empty hint: ignore
323 : }
324 : else if (*pOther->GetStart() == *pHt->End())
325 : {
326 : if (RES_TXTATR_AUTOFMT == pOther->Which() ||
327 : RES_TXTATR_CHARFMT == pOther->Which())
328 : { // multiple charfmt on same range must all match
329 : if (bNeedContinuation)
330 : {
331 : assert(pOther->IsFormatIgnoreStart());
332 : bFound = true;
333 : }
334 : else if (bForbidContinuation &&
335 : (RsidOnlyAutoFmts.find(pOther) ==
336 : RsidOnlyAutoFmts.end()))
337 : {
338 : assert(!pOther->IsFormatIgnoreStart());
339 : }
340 : }
341 : }
342 : }
343 : if (bNeedContinuation)
344 : {
345 : assert(bFound); // ? can this happen temp. during undo?
346 : }
347 : }
348 : }
349 : else
350 : {
351 : assert(!pHt->IsFormatIgnoreStart());
352 : assert(!pHt->IsFormatIgnoreEnd());
353 : }
354 : }
355 :
356 : // 9) nesting portion check
357 : if (pHtThis->IsNesting())
358 : {
359 : for ( sal_uInt16 j = 0; j < Count(); ++j )
360 : {
361 : SwTxtAttr const * const pOther( m_HintStarts[j] );
362 : if ( pOther->IsNesting() && (i != j) )
363 : {
364 : SwComparePosition cmp = ComparePosition(
365 : *pHtThis->GetStart(), *pHtThis->End(),
366 : *pOther->GetStart(), *pOther->End());
367 : CHECK_ERR( (POS_OVERLAP_BEFORE != cmp) &&
368 : (POS_OVERLAP_BEHIND != cmp),
369 : "HintsCheck: overlapping nesting hints!!!" );
370 : }
371 : }
372 : }
373 :
374 : // 10) dummy char check (unfortunately cannot check SwTxtNode::m_Text)
375 : if (pHtThis->HasDummyChar())
376 : {
377 : for ( sal_uInt16 j = 0; j < i; ++j )
378 : {
379 : SwTxtAttr const * const pOther( m_HintStarts[j] );
380 : if (pOther->HasDummyChar())
381 : {
382 : CHECK_ERR( (*pOther->GetStart() != *pHtThis->GetStart()),
383 : "HintsCheck: multiple hints claim same CH_TXTATR!");
384 : }
385 : }
386 : }
387 : }
388 : return true;
389 : }
390 :
391 : #endif /* DBG_UTIL */
392 :
393 : /*************************************************************************
394 : * SwpHintsArray::Resort()
395 : *************************************************************************/
396 :
397 : // Resort() is called before every Insert and Delete.
398 : // Various SwTxtNode methods modify hints in a way that violates the
399 : // sort order of the m_HintStarts, m_HintEnds arrays, so this method is needed
400 : // to restore the order.
401 :
402 0 : void SwpHintsArray::Resort()
403 : {
404 0 : m_HintStarts.Resort();
405 0 : m_HintEnds.Resort();
406 0 : }
407 :
408 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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