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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 : #ifndef INCLUDED_SVGIO_INC_SVGIO_SVGREADER_SVGNODE_HXX
21 : #define INCLUDED_SVGIO_INC_SVGIO_SVGREADER_SVGNODE_HXX
22 :
23 : #include <svgio/svgreader/svgtools.hxx>
24 : #include <svgio/svgreader/svgtoken.hxx>
25 : #include <svgio/svgreader/svgpaint.hxx>
26 : #include <basegfx/matrix/b2dhommatrix.hxx>
27 : #include <com/sun/star/xml/sax/XAttributeList.hpp>
28 : #include <vector>
29 :
30 : // predefines
31 : namespace svgio
32 : {
33 : namespace svgreader
34 : {
35 : class SvgNode;
36 : class SvgDocument;
37 : class SvgStyleAttributes;
38 : }
39 : }
40 :
41 :
42 :
43 : namespace svgio
44 : {
45 : namespace svgreader
46 : {
47 : typedef ::std::vector< SvgNode* > SvgNodeVector;
48 : typedef ::std::vector< const SvgStyleAttributes* > SvgStyleAttributeVector;
49 :
50 : enum XmlSpace
51 : {
52 : XmlSpace_notset,
53 : XmlSpace_default,
54 : XmlSpace_preserve
55 : };
56 :
57 : // display property (see SVG 1.1. 11.5), not inheritable
58 : enum Display // #i121656#
59 : {
60 : Display_inline, // the default
61 : Display_block,
62 : Display_list_item,
63 : Display_run_in,
64 : Display_compact,
65 : Display_marker,
66 : Display_table,
67 : Display_inline_table,
68 : Display_table_row_group,
69 : Display_table_header_group,
70 : Display_table_footer_group,
71 : Display_table_row,
72 : Display_table_column_group,
73 : Display_table_column,
74 : Display_table_cell,
75 : Display_table_caption,
76 : Display_none,
77 : Display_inherit
78 : };
79 :
80 : // helper to convert a string associated with a token of type SVGTokenDisplay
81 : // to the enum Display. Empty trings return the default 'Display_inline' with
82 : // which members should be initialized
83 : Display getDisplayFromContent(const OUString& aContent);
84 :
85 : class SvgNode : private boost::noncopyable, public InfoProvider
86 : {
87 : private:
88 : /// basic data, Type, document we belong to and parent (if not root)
89 : SVGToken maType;
90 : SvgDocument& mrDocument;
91 : const SvgNode* mpParent;
92 : const SvgNode* mpAlternativeParent;
93 :
94 : /// sub hierarchy
95 : SvgNodeVector maChildren;
96 :
97 : /// Id svan value
98 : OUString* mpId;
99 :
100 : /// Class svan value
101 : OUString* mpClass;
102 :
103 : /// XmlSpace value
104 : XmlSpace maXmlSpace;
105 :
106 : /// Display value #i121656#
107 : Display maDisplay;
108 :
109 : // CSS style vector chain, used in decompose phase and built up once per node.
110 : // It contains the StyleHierarchy for the local node. INdependent from the
111 : // node hierarchy itself which also needs to be used in style entry solving
112 : SvgStyleAttributeVector maCssStyleVector;
113 :
114 : /// possibbe local CssStyle, e.g. style="fill:red; stroke:red;"
115 : SvgStyleAttributes* mpLocalCssStyle;
116 :
117 : /// bitfield
118 : // flag if maCssStyleVector is already computed (done only once)
119 : bool mbCssStyleVectorBuilt : 1;
120 :
121 : protected:
122 : /// helper to evtl. link to css style
123 : const SvgStyleAttributes* checkForCssStyle(const OUString& rClassStr, const SvgStyleAttributes& rOriginal) const;
124 :
125 : /// helper for filling the CssStyle vector once dependent on mbCssStyleVectorBuilt
126 : void fillCssStyleVector(const OUString& rClassStr);
127 : void fillCssStyleVectorUsingHierarchyAndSelectors(
128 : const OUString& rClassStr,
129 : const SvgNode& rCurrent,
130 : const OUString& aConcatenated);
131 :
132 : public:
133 : SvgNode(
134 : SVGToken aType,
135 : SvgDocument& rDocument,
136 : SvgNode* pParent);
137 : virtual ~SvgNode();
138 :
139 : /// scan helper to read and interpret a local CssStyle to mpLocalCssStyle
140 : void readLocalCssStyle(const OUString& aContent);
141 :
142 : /// style helpers
143 : void parseAttributes(const com::sun::star::uno::Reference< com::sun::star::xml::sax::XAttributeList >& xAttribs);
144 : virtual const SvgStyleAttributes* getSvgStyleAttributes() const;
145 : virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent);
146 : virtual void decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const;
147 :
148 : /// #i125258# tell if this node is allowed to have a parent style (e.g. defs do not)
149 : virtual bool supportsParentStyle() const;
150 :
151 : /// basic data read access
152 179140 : SVGToken getType() const { return maType; }
153 21903 : const SvgDocument& getDocument() const { return mrDocument; }
154 266961 : const SvgNode* getParent() const { if(mpAlternativeParent) return mpAlternativeParent; return mpParent; }
155 23127 : const SvgNodeVector& getChildren() const { return maChildren; }
156 :
157 : /// InfoProvider support for %, em and ex values
158 : virtual const basegfx::B2DRange getCurrentViewPort() const SAL_OVERRIDE;
159 : virtual double getCurrentFontSizeInherited() const SAL_OVERRIDE;
160 : virtual double getCurrentXHeightInherited() const SAL_OVERRIDE;
161 :
162 : double getCurrentFontSize() const;
163 : double getCurrentXHeight() const;
164 :
165 : /// Id access
166 16 : const OUString* getId() const { return mpId; }
167 : void setId(const OUString* pfId = 0);
168 :
169 : /// Class access
170 16 : const OUString* getClass() const { return mpClass; }
171 : void setClass(const OUString* pfClass = 0);
172 :
173 : /// XmlSpace access
174 : XmlSpace getXmlSpace() const;
175 295 : void setXmlSpace(XmlSpace eXmlSpace = XmlSpace_notset) { maXmlSpace = eXmlSpace; }
176 :
177 : /// Display access #i121656#
178 20327 : Display getDisplay() const { return maDisplay; }
179 0 : void setDisplay(Display eDisplay = Display_inherit) { maDisplay = eDisplay; }
180 :
181 : /// alternative parent
182 386 : void setAlternativeParent(const SvgNode* pAlternativeParent = 0) { mpAlternativeParent = pAlternativeParent; }
183 : };
184 : } // end of namespace svgreader
185 : } // end of namespace svgio
186 :
187 : #endif // INCLUDED_SVGIO_INC_SVGIO_SVGREADER_SVGNODE_HXX
188 :
189 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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