C++ Library containing a lot of needful things: Stack Trace, Command Line Parser, Resource Handling, Configuration Files, Unix Command Execution, Directories, Regular Expressions, Tokenizer, Function Trace, Standard Extensions.
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48 lines
1.2 KiB
48 lines
1.2 KiB
20 years ago
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/** @file
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$Id$
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$Date$
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$Author$
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@copy © Marc Wäckerlin
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@license LGPL, see file <a href="license.html">COPYING</a>
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$Log$
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Revision 1.1 2005/01/07 00:31:38 marc
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initial version
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1 2 3 4 5 6 7 8
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5678901234567890123456789012345678901234567890123456789012345678901234567890
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*/
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#ifndef __MRW_FILE_HPP__
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#define __MRW_FILE_HPP__
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#include <mrw/exception.hpp>
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#include <string>
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#include <fstream>
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namespace mrw {
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class File {
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public:
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static void copy(std::string from, std::string to) throw (std::exception) {
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std::ifstream is(from.c_str());
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if (!is)
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throw mrw::invalid_argument("Cannot read file: '"+from+"'");
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is.seekg(0, std::ios::end);
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int size(is.tellg());
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std::string contents(size, 0); // make buffer long enough to store all
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is.seekg(0, std::ios::beg);
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is.read(contents.begin().operator->(), size); // hack to get the buffer
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if (!is.good() && is.eof())
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throw mrw::invalid_argument("Cannot read file: '"+from+"'");
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std::ofstream os(to.c_str());
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os<<contents;
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if (!os) throw mrw::invalid_argument("Cannot write file: '"+to+"'");
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}
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};
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}
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#endif
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