Mirek Kratochvil
4f4e4f4df9
Actually, debian lintian told me that: I: codecrypt: spelling-error-in-manpage usr/share/man/man1/ccr.1.gz overriden overridden Isn't that cute?
89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
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/*
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* This file is part of Codecrypt.
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*
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* Copyright (C) 2013-2016 Mirek Kratochvil <exa.exa@gmail.com>
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*
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* Codecrypt is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Codecrypt is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Codecrypt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "iohelpers.h"
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bool redirect_cin (const std::string& fn)
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{
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static std::ifstream alt_cin;
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alt_cin.open (fn.c_str(), std::ios::in | std::ios::binary);
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if (alt_cin.fail()) return false;
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std::cin.rdbuf (alt_cin.rdbuf());
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return true;
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}
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bool redirect_cout (const std::string& fn)
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{
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static std::ofstream alt_cout;
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alt_cout.open (fn.c_str(), std::ios::out | std::ios::binary);
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if (alt_cout.fail()) return false;
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std::cout.rdbuf (alt_cout.rdbuf());
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return true;
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}
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bool redirect_cerr (const std::string& fn)
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{
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static std::ofstream alt_cerr;
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alt_cerr.open (fn.c_str(), std::ios::out | std::ios::binary);
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if (alt_cerr.fail()) return false;
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std::cerr.rdbuf (alt_cerr.rdbuf());
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return true;
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}
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std::string escape_output (const std::string&s)
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{
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std::string r;
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const char hex[] = "0123456789abcdef";
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for (size_t i = 0; i < s.length(); ++i)
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if (s[i] == '\\') r += "\\\\";
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else if (s[i] >= 0 && s[i] < 0x20) //utf-8 is "negative" here
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switch (s[i]) {
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case '\a':
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r += "\\a";
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break;
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case '\b':
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r += "\\b";
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break;
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case '\x1b':
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r += "\\e";
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break;
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case '\f':
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r += "\\f";
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break;
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case '\n':
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r += "\\n";
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break;
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case '\r':
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r += "\\r";
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break;
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case '\t':
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r += "\\t";
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break;
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case '\v':
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r += "\\v";
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break;
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default:
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r += "\\x";
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r += hex[0xf & (s[i] >> 4)];
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r += hex[0xf & s[i]];
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} else r += s[i];
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return r;
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}
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