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      1 /*
      2  * Copyright (C) 2004, 2005, 2009 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef SVGRenderTreeAsText_h
     27 #define SVGRenderTreeAsText_h
     28 
     29 #if ENABLE(SVG)
     30 
     31 #include "TextStream.h"
     32 
     33 namespace WebCore {
     34 
     35 class Color;
     36 class FloatRect;
     37 class FloatSize;
     38 class Node;
     39 class RenderBlock;
     40 class RenderImage;
     41 class RenderObject;
     42 class RenderSVGGradientStop;
     43 class RenderSVGImage;
     44 class RenderSVGPath;
     45 class RenderSVGRoot;
     46 class RenderText;
     47 class AffineTransform;
     48 class SVGUnitTypes;
     49 
     50 // functions used by the main RenderTreeAsText code
     51 void write(TextStream&, const RenderSVGPath&, int indent);
     52 void write(TextStream&, const RenderSVGRoot&, int indent);
     53 void writeSVGGradientStop(TextStream&, const RenderSVGGradientStop&, int indent);
     54 void writeSVGResourceContainer(TextStream&, const RenderObject&, int indent);
     55 void writeSVGContainer(TextStream&, const RenderObject&, int indent);
     56 void writeSVGImage(TextStream&, const RenderSVGImage&, int indent);
     57 void writeSVGInlineText(TextStream&, const RenderText&, int indent);
     58 void writeSVGText(TextStream&, const RenderBlock&, int indent);
     59 void writeResources(TextStream&, const RenderObject&, int indent);
     60 
     61 // helper operators defined used in various classes to dump the render tree.
     62 TextStream& operator<<(TextStream&, const AffineTransform&);
     63 TextStream& operator<<(TextStream&, const Color&);
     64 TextStream& operator<<(TextStream&, const FloatRect&);
     65 
     66 // helper operators specific to dumping the render tree. these are used in various classes to dump the render tree
     67 // these could be defined in separate namespace to avoid matching these generic signatures unintentionally.
     68 
     69 template<typename Item>
     70 TextStream& operator<<(TextStream& ts, const Vector<Item*>& v)
     71 {
     72     ts << "[";
     73 
     74     for (unsigned i = 0; i < v.size(); i++) {
     75         ts << *v[i];
     76         if (i < v.size() - 1)
     77             ts << ", ";
     78     }
     79 
     80     ts << "]";
     81     return ts;
     82 }
     83 
     84 template<typename Pointer>
     85 TextStream& operator<<(TextStream& ts, Pointer* t)
     86 {
     87     ts << reinterpret_cast<intptr_t>(t);
     88     return ts;
     89 }
     90 
     91 } // namespace WebCore
     92 
     93 #endif // ENABLE(SVG)
     94 
     95 #endif // SVGRenderTreeAsText_h
     96