1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _LAYHELP_HXX
#define _LAYHELP_HXX
#ifndef _SVSTDARR_HXX
#define _SVSTDARR_USHORTS
#define _SVSTDARR_ULONGS
#define _SVSTDARR_XUB_STRLEN
#include <svl/svstdarr.hxx>
#endif
#include <swrect.hxx>
#include <vector>
class SwDoc;
class SwFrm;
class SwLayoutFrm;
class SwPageFrm;
class SwFlyFrm;
class SwSectionFrm;
class SwSectionNode;
class SvStream;
/*************************************************************************
* class SwLayCacheImpl
* contains the page break information and the text frame positions
* of the document (after loading)
* and is used inside the constructor of the layout rootframe to
* insert content and text frames at the right pages.
* For every page of the main text (body content, no footnotes, text frames etc.)
* we have the nodeindex of the first content at the page,
* the type of content ( table or paragraph )
* and if it's not the first part of the table/paragraph,
* the row/character-offset inside the table/paragraph.
* The text frame positions are stored in the SwPageFlyCache array.
*************************************************************************/
class SwFlyCache;
typedef SwFlyCache* SwFlyCachePtr;
SV_DECL_PTRARR_DEL( SwPageFlyCache, SwFlyCachePtr, 0, 4 )
class SwLayCacheImpl : public SvULongs
{
SvXub_StrLens aOffset;
SvUShorts aType;
SwPageFlyCache aFlyCache;
sal_Bool bUseFlyCache;
void Insert( sal_uInt16 nType, sal_uLong nIndex, xub_StrLen nOffset );
public:
SwLayCacheImpl() : SvULongs( 20, 10 ), aType( 20, 10 ) {}
sal_Bool Read( SvStream& rStream );
sal_uLong GetBreakIndex( sal_uInt16 nIdx ) const { return GetObject( nIdx ); }
xub_StrLen GetBreakOfst( size_t nIdx ) const { return aOffset[ nIdx ]; }
sal_uInt16 GetBreakType( sal_uInt16 nIdx ) const { return aType[ nIdx ]; }
sal_uInt16 GetFlyCount() const { return aFlyCache.Count(); }
SwFlyCache *GetFlyCache( sal_uInt16 nIdx ) const { return aFlyCache[ nIdx ]; }
sal_Bool IsUseFlyCache() const { return bUseFlyCache; }
};
/*************************************************************************
* class SwActualSection
* helps to create the sectionframes during the _InsertCnt-function
* by controlling nested sections.
*************************************************************************/
class SwActualSection
{
SwActualSection *pUpper;
SwSectionFrm *pSectFrm;
SwSectionNode *pSectNode;
public:
SwActualSection( SwActualSection *pUpper,
SwSectionFrm *pSect,
SwSectionNode *pNd );
SwSectionFrm *GetSectionFrm() { return pSectFrm; }
void SetSectionFrm( SwSectionFrm *p ) { pSectFrm = p; }
SwSectionNode *GetSectionNode() { return pSectNode;}
SwActualSection *GetUpper() { return pUpper; }
};
/*************************************************************************
* class SwLayHelper
* helps during the _InsertCnt-function to create new pages.
* If there's a layoutcache available, this information is used.
*************************************************************************/
class SwLayHelper
{
SwFrm* &rpFrm;
SwFrm* &rpPrv;
SwPageFrm* &rpPage;
SwLayoutFrm* &rpLay;
SwActualSection* &rpActualSection;
sal_Bool &rbBreakAfter;
SwDoc* pDoc;
SwLayCacheImpl* pImpl;
sal_uLong nMaxParaPerPage;
sal_uLong nParagraphCnt;
sal_uLong nStartOfContent;
sal_uInt16 nIndex; // the index in the page break array
sal_uInt16 nFlyIdx; // the index in the fly cache array
sal_Bool bFirst : 1;
void _CheckFlyCache( SwPageFrm* pPage );
public:
SwLayHelper( SwDoc *pD, SwFrm* &rpF, SwFrm* &rpP, SwPageFrm* &rpPg,
SwLayoutFrm* &rpL, SwActualSection* &rpA, sal_Bool &rBrk,
sal_uLong nNodeIndex, sal_Bool bCache );
~SwLayHelper();
sal_uLong CalcPageCount();
sal_Bool CheckInsert( sal_uLong nNodeIndex );
sal_Bool BreakPage( xub_StrLen& rOffs, sal_uLong nNodeIndex );
sal_Bool CheckInsertPage();
// Look for fresh text frames at this (new) page and set them to the right
// position, if they are in the fly cache.
void CheckFlyCache( SwPageFrm* pPage )
{ if( pImpl && nFlyIdx < pImpl->GetFlyCount() ) _CheckFlyCache( pPage ); }
// Look for this text frame and set it to the right position,
// if it's in the fly cache.
static sal_Bool CheckPageFlyCache( SwPageFrm* &rpPage, SwFlyFrm* pFly );
};
/*************************************************************************
* class SwLayCacheIoImpl
* contains the data structures that are required to read and write a
* layout cache.
*************************************************************************/
#define SW_LAYCACHE_IO_REC_PAGES 'p'
#define SW_LAYCACHE_IO_REC_PARA 'P'
#define SW_LAYCACHE_IO_REC_TABLE 'T'
#define SW_LAYCACHE_IO_REC_FLY 'F'
#define SW_LAYCACHE_IO_VERSION_MAJOR 1
#define SW_LAYCACHE_IO_VERSION_MINOR 1
class SwLayCacheIoImpl
{
private:
struct RecTypeSize {
sal_uInt8 type;
sal_uLong size;
RecTypeSize(sal_uInt8 typ, sal_uLong siz) : type(typ), size(siz) {}
};
std::vector<RecTypeSize> aRecords;
SvStream *pStream;
sal_uLong nFlagRecEnd;
sal_uInt16 nMajorVersion;
sal_uInt16 nMinorVersion;
sal_Bool bWriteMode : 1;
sal_Bool bError : 1;
public:
SwLayCacheIoImpl( SvStream& rStrm, sal_Bool bWrtMd );
// Get input or output stream
SvStream& GetStream() const { return *pStream; }
// Open a record of type "nType"
sal_Bool OpenRec( sal_uInt8 nType );
// Close a record of type "nType". This skips any unread data that
// remains in the record.
sal_Bool CloseRec( sal_uInt8 nType );
// Return the number of bytes contained in the current record that
// haven't been read by now.
sal_uInt32 BytesLeft();
// Return the current record's type
sal_uInt8 Peek();
// Skip the current record
void SkipRec();
// Open a flag record for reading. The uppermost four bits are flags,
// while the lowermost are the flag record's size. Flag records cannot
// be nested.
sal_uInt8 OpenFlagRec();
// Open flag record for writing;
void OpenFlagRec( sal_uInt8 nFlags, sal_uInt8 nLen );
// Close a flag record. Any bytes left are skipped.
void CloseFlagRec();
sal_Bool HasError() const { return bError; }
sal_uInt16 GetMajorVersion() const { return nMajorVersion; }
sal_uInt16 GetMinorVersion() const { return nMinorVersion; }
};
// Stored information about text frames:
class SwFlyCache : public SwRect // position and size
{
public:
sal_uLong nOrdNum; // Id to recognize text frames
sal_uInt16 nPageNum; // page number
SwFlyCache( sal_uInt16 nP, sal_uLong nO, long nXL, long nYL, long nWL, long nHL ) :
SwRect( nXL, nYL, nWL, nHL ), nOrdNum( nO ), nPageNum( nP ){}
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
