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      1 /*
      2  * Copyright (C) 2004, 2008 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 TextStream_h
     27 #define TextStream_h
     28 
     29 #include "platform/PlatformExport.h"
     30 #include "wtf/Forward.h"
     31 #include "wtf/Vector.h"
     32 #include "wtf/text/StringBuilder.h"
     33 #include "wtf/unicode/Unicode.h"
     34 
     35 namespace blink {
     36 
     37 class IntPoint;
     38 class IntRect;
     39 class FloatPoint;
     40 class FloatRect;
     41 class FloatSize;
     42 
     43 class PLATFORM_EXPORT TextStream {
     44 public:
     45     struct FormatNumberRespectingIntegers {
     46         FormatNumberRespectingIntegers(double number) : value(number) { }
     47         double value;
     48     };
     49 
     50     TextStream& operator<<(bool);
     51     TextStream& operator<<(int);
     52     TextStream& operator<<(unsigned);
     53     TextStream& operator<<(long);
     54     TextStream& operator<<(unsigned long);
     55     TextStream& operator<<(long long);
     56     TextStream& operator<<(unsigned long long);
     57     TextStream& operator<<(float);
     58     TextStream& operator<<(double);
     59     TextStream& operator<<(const char*);
     60     TextStream& operator<<(const void*);
     61     TextStream& operator<<(const String&);
     62     TextStream& operator<<(const FormatNumberRespectingIntegers&);
     63 
     64     String release();
     65 
     66 private:
     67     StringBuilder m_text;
     68 };
     69 
     70 PLATFORM_EXPORT TextStream& operator<<(TextStream&, const IntPoint&);
     71 PLATFORM_EXPORT TextStream& operator<<(TextStream&, const IntRect&);
     72 PLATFORM_EXPORT TextStream& operator<<(TextStream&, const FloatPoint&);
     73 PLATFORM_EXPORT TextStream& operator<<(TextStream&, const FloatSize&);
     74 PLATFORM_EXPORT TextStream& operator<<(TextStream&, const FloatRect&);
     75 
     76 PLATFORM_EXPORT void writeIndent(TextStream&, int indent);
     77 
     78 template<typename Item>
     79 TextStream& operator<<(TextStream& ts, const Vector<Item>& vector)
     80 {
     81     ts << "[";
     82 
     83     unsigned size = vector.size();
     84     for (unsigned i = 0; i < size; ++i) {
     85         ts << vector[i];
     86         if (i < size - 1)
     87             ts << ", ";
     88     }
     89 
     90     ts << "]";
     91     return ts;
     92 }
     93 
     94 }
     95 
     96 #endif
     97