PrettyPrintBuffer.cc

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00001 /*
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00006  * 
00007  * Intel Open Source License 
00008  * 
00009  * Copyright (c) 2004 Intel Corporation. All rights reserved. 
00010  * 
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00038 
00039 #include "PrettyPrintBuffer.h"
00040 #include "util/StringBuffer.h"
00041 
00042 namespace oasys {
00043 
00044 const int PrettyPrintBuf::MAX_COL = 80;
00045 
00046 //----------------------------------------------------------------------------
00047 PrettyPrintBuf::PrettyPrintBuf(const char* buf, int len)
00048     : buf_(buf), cur_(0), len_(len)
00049 {
00050     if(len_ == -1)
00051     {
00052         len_ = strlen(buf);
00053     }
00054 }
00055 
00056 //----------------------------------------------------------------------------
00057 bool
00058 PrettyPrintBuf::next_str(std::string* s)
00059 {
00060     StringBuffer buf;
00061 
00062     int bound = std::min(cur_ + MAX_COL, len_);
00063     for(int i = cur_; i<bound; ++i, ++cur_)
00064     {
00065         switch(buf_[i])
00066         { 
00067         case '\n': buf.append("\\n"); break;
00068         case '\r': buf.append("\\r"); break;
00069         case '\t': buf.append("\\t"); break;
00070         case '\0': buf.append("\\0"); break;
00071 
00072         default:
00073             buf.append(buf_[i]);
00074         }
00075     }
00076 
00077     bool full = (bound == len_) ? true : false;
00078     s->assign(buf.c_str());
00079     return full;
00080 }
00081 
00082 } // namespace oasys

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