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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sdext.hxx"
26 
27 #include "style.hxx"
28 #include "genericelements.hxx"
29 #include "xmlemitter.hxx"
30 #include "pdfiprocessor.hxx"
31 #include <rtl/ustrbuf.hxx>
32 
33 #include <algorithm>
34 
35 using namespace rtl;
36 using namespace pdfi;
37 
38 #define USTR(x) rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( x ) )
39 
40 StyleContainer::StyleContainer() :
41     m_nNextId( 1 )
42 {
43 }
44 
45 sal_Int32 StyleContainer::impl_getStyleId( const Style& rStyle, bool bSubStyle )
46 {
47     sal_Int32 nRet = -1;
48 
49     // construct HashedStyle to find or insert
50     HashedStyle aSearchStyle;
51     aSearchStyle.Name                   = rStyle.Name;
52     aSearchStyle.Properties             = rStyle.Properties;
53     aSearchStyle.Contents               = rStyle.Contents;
54     aSearchStyle.ContainedElement       = rStyle.ContainedElement;
55     for( unsigned int n = 0; n < rStyle.SubStyles.size(); ++n )
56         aSearchStyle.SubStyles.push_back( impl_getStyleId( *rStyle.SubStyles[n], true ) );
57 
58     std::hash_map< HashedStyle, sal_Int32, StyleHash >::iterator it =
59         m_aStyleToId.find( aSearchStyle );
60 
61     if( it != m_aStyleToId.end() )
62     {
63         nRet = it->second;
64         HashedStyle& rFound = m_aIdToStyle[ nRet ];
65         // increase refcount on this style
66         rFound.RefCount++;
67         if( ! bSubStyle )
68             rFound.IsSubStyle = false;
69     }
70     else
71     {
72         nRet = m_nNextId++;
73         // create new style
74         HashedStyle& rNew = m_aIdToStyle[ nRet ];
75         rNew = aSearchStyle;
76         rNew.RefCount           = 1;
77         rNew.IsSubStyle         = bSubStyle;
78         // fill the style hash to find the id
79         m_aStyleToId[ rNew ] = nRet;
80     }
81     return nRet;
82 }
83 
84 sal_Int32 StyleContainer::getStandardStyleId( const rtl::OString& rName )
85 {
86     PropertyMap aProps;
87     aProps[ USTR( "style:family" ) ] = rtl::OStringToOUString( rName, RTL_TEXTENCODING_UTF8 );
88     aProps[ USTR( "style:name" ) ] = USTR( "standard" );
89 
90     Style aStyle( "style:style", aProps );
91     return getStyleId( aStyle );
92 }
93 
94 const PropertyMap* StyleContainer::getProperties( sal_Int32 nStyleId ) const
95 {
96     std::hash_map< sal_Int32, HashedStyle >::const_iterator it =
97         m_aIdToStyle.find( nStyleId );
98     return it != m_aIdToStyle.end() ? &(it->second.Properties) : NULL;
99 }
100 
101 sal_Int32 StyleContainer::setProperties( sal_Int32 nStyleId, const PropertyMap& rNewProps )
102 {
103     sal_Int32 nRet = -1;
104     std::hash_map< sal_Int32, HashedStyle >::iterator it =
105         m_aIdToStyle.find( nStyleId );
106     if( it != m_aIdToStyle.end() )
107     {
108         if( it->second.RefCount == 1 )
109         {
110             nRet = it->first;
111             // erase old hash to id mapping
112             m_aStyleToId.erase( it->second );
113             // change properties
114             it->second.Properties = rNewProps;
115             // fill in new hash to id mapping
116             m_aStyleToId[ it->second ] = nRet;
117         }
118         else
119         {
120             // decrease refcound on old instance
121             it->second.RefCount--;
122             // acquire new HashedStyle
123             HashedStyle aSearchStyle;
124             aSearchStyle.Name                   = it->second.Name;
125             aSearchStyle.Properties             = rNewProps;
126             aSearchStyle.Contents               = it->second.Contents;
127             aSearchStyle.ContainedElement       = it->second.ContainedElement;
128             aSearchStyle.SubStyles              = it->second.SubStyles;
129             aSearchStyle.IsSubStyle             = it->second.IsSubStyle;
130 
131             // find out whether this new style already exists
132             std::hash_map< HashedStyle, sal_Int32, StyleHash >::iterator new_it =
133                 m_aStyleToId.find( aSearchStyle );
134             if( new_it != m_aStyleToId.end() )
135             {
136                 nRet = new_it->second;
137                 m_aIdToStyle[ nRet ].RefCount++;
138             }
139             else
140             {
141                 nRet = m_nNextId++;
142                 // create new style with new id
143                 HashedStyle& rNew = m_aIdToStyle[ nRet ];
144                 rNew = aSearchStyle;
145                 rNew.RefCount = 1;
146                 // fill style to id hash
147                 m_aStyleToId[ aSearchStyle ] = nRet;
148             }
149         }
150     }
151     return nRet;
152 }
153 
154 OUString StyleContainer::getStyleName( sal_Int32 nStyle ) const
155 {
156     OUStringBuffer aRet( 64 );
157 
158     std::hash_map< sal_Int32, HashedStyle >::const_iterator style_it =
159         m_aIdToStyle.find( nStyle );
160     if( style_it != m_aIdToStyle.end() )
161     {
162         const HashedStyle& rStyle = style_it->second;
163 
164         PropertyMap::const_iterator name_it = rStyle.Properties.find( USTR("style:name") );
165         if( name_it != rStyle.Properties.end() )
166             aRet.append( name_it->second );
167         else
168         {
169             PropertyMap::const_iterator fam_it = rStyle.Properties.find( USTR("style:family" ) );
170             OUString aStyleName;
171             if( fam_it != rStyle.Properties.end() )
172             {
173                 aStyleName = fam_it->second;
174             }
175             else
176                 aStyleName = OStringToOUString( rStyle.Name, RTL_TEXTENCODING_ASCII_US );
177             sal_Int32 nIndex = aStyleName.lastIndexOf( ':' );
178             aRet.append( aStyleName.copy( nIndex+1 ) );
179             aRet.append( nStyle );
180         }
181     }
182     else
183     {
184         aRet.appendAscii( "invalid style id " );
185         aRet.append( nStyle );
186     }
187 
188     return aRet.makeStringAndClear();
189 }
190 
191 void StyleContainer::impl_emitStyle( sal_Int32           nStyleId,
192                                      EmitContext&        rContext,
193                                      ElementTreeVisitor& rContainedElemVisitor )
194 {
195     std::hash_map< sal_Int32, HashedStyle >::const_iterator it = m_aIdToStyle.find( nStyleId );
196     if( it != m_aIdToStyle.end() )
197     {
198         const HashedStyle& rStyle = it->second;
199             PropertyMap aProps( rStyle.Properties );
200         if( !rStyle.IsSubStyle )
201             aProps[ USTR( "style:name" ) ] = getStyleName( nStyleId );
202         rContext.rEmitter.beginTag( rStyle.Name.getStr(), aProps );
203 
204         for( unsigned int n = 0; n < rStyle.SubStyles.size(); ++n )
205             impl_emitStyle( rStyle.SubStyles[n], rContext, rContainedElemVisitor );
206         if( rStyle.Contents )
207             rContext.rEmitter.write( rStyle.Contents );
208         if( rStyle.ContainedElement )
209             rStyle.ContainedElement->visitedBy( rContainedElemVisitor,
210                                                 std::list<Element*>::iterator() );
211         rContext.rEmitter.endTag( rStyle.Name.getStr() );
212     }
213 }
214 
215 void StyleContainer::emit( EmitContext&        rContext,
216                            ElementTreeVisitor& rContainedElemVisitor )
217 {
218     std::vector< sal_Int32 > aMasterPageSection, aAutomaticStyleSection, aOfficeStyleSection;
219     for( std::hash_map< sal_Int32, HashedStyle >::iterator it = m_aIdToStyle.begin();
220          it != m_aIdToStyle.end(); ++it )
221     {
222         if( ! it->second.IsSubStyle )
223         {
224             if( it->second.Name.equals( "style:master-page" ) )
225                 aMasterPageSection.push_back( it->first );
226             else if( getStyleName( it->first ).equalsAscii( "standard" ) )
227                 aOfficeStyleSection.push_back( it->first );
228             else
229                 aAutomaticStyleSection.push_back( it->first );
230         }
231     }
232 
233     if( ! aMasterPageSection.empty() )
234         std::stable_sort( aMasterPageSection.begin(), aMasterPageSection.end(), StyleIdNameSort(&m_aIdToStyle) );
235     if( ! aAutomaticStyleSection.empty() )
236         std::stable_sort( aAutomaticStyleSection.begin(), aAutomaticStyleSection.end(), StyleIdNameSort(&m_aIdToStyle) );
237     if( ! aOfficeStyleSection.empty() )
238         std::stable_sort( aOfficeStyleSection.begin(), aOfficeStyleSection.end(), StyleIdNameSort(&m_aIdToStyle) );
239 
240     int n = 0, nElements = 0;
241     rContext.rEmitter.beginTag( "office:styles", PropertyMap() );
242     for( n = 0, nElements = aOfficeStyleSection.size(); n < nElements; n++ )
243         impl_emitStyle( aOfficeStyleSection[n], rContext, rContainedElemVisitor );
244     rContext.rEmitter.endTag( "office:styles" );
245     rContext.rEmitter.beginTag( "office:automatic-styles", PropertyMap() );
246     for( n = 0, nElements = aAutomaticStyleSection.size(); n < nElements; n++ )
247         impl_emitStyle( aAutomaticStyleSection[n], rContext, rContainedElemVisitor );
248     rContext.rEmitter.endTag( "office:automatic-styles" );
249     rContext.rEmitter.beginTag( "office:master-styles", PropertyMap() );
250     for( n = 0, nElements = aMasterPageSection.size(); n < nElements; n++ )
251         impl_emitStyle( aMasterPageSection[n], rContext, rContainedElemVisitor );
252     rContext.rEmitter.endTag( "office:master-styles" );
253 }
254