output.cc revision 1388
1/* 2 * Copyright (c) 2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * 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 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <errno.h> 30#include <limits.h> 31#include <stdlib.h> 32#include <sys/stat.h> 33#include <sys/types.h> 34 35#include <fstream> 36 37#include "base/misc.hh" 38#include "base/output.hh" 39 40using namespace std; 41 42OutputDirectory simout; 43 44/** 45 * 46 */ 47OutputDirectory::OutputDirectory() 48{} 49 50OutputDirectory::~OutputDirectory() 51{} 52 53void 54OutputDirectory::setDirectory(const string &d) 55{ 56 if (!dir.empty()) 57 panic("Output directory already set!\n"); 58 59 dir = d; 60 61 if (dir != ".") { 62 if (mkdir(dir.c_str(), 0777) < 0 && errno != EEXIST) 63 panic("couldn't make output dir %s: %s\n", 64 dir, strerror(errno)); 65 } 66 67 // guarantee that directory ends with a '/' 68 if (dir[dir.size() - 1] != '/') 69 dir += "/"; 70} 71 72const string & 73OutputDirectory::directory() 74{ 75 if (dir.empty()) 76 panic("Output directory not set!"); 77 78 return dir; 79} 80 81string 82OutputDirectory::resolve(const string &name) 83{ 84 return (name[0] != '/') ? dir + name : name; 85} 86 87ostream * 88OutputDirectory::create(const string &name) 89{ 90 if (name == "cerr" || name == "stderr") 91 return &cerr; 92 93 if (name == "cout" || name == "stdout") 94 return &cout; 95 96 ofstream *file = new ofstream(resolve(name).c_str(), ios::trunc); 97 if (!file->is_open()) 98 panic("Cannot open file %s", name); 99 100 return file; 101} 102 103ostream * 104OutputDirectory::find(const string &name) 105{ 106 if (name == "cerr" || name == "stderr") 107 return &cerr; 108 109 if (name == "cout" || name == "stdout") 110 return &cout; 111 112 string filename = resolve(name); 113 map_t::iterator i = files.find(filename); 114 if (i != files.end()) 115 return (*i).second; 116 117 ofstream *file = new ofstream(filename.c_str(), ios::trunc); 118 if (!file->is_open()) 119 panic("Cannot open file %s", filename); 120 121 files[filename] = file; 122 return file; 123} 124 125bool 126OutputDirectory::isFile(const std::ostream *os) 127{ 128 return os && os != &cerr && os != &cout; 129} 130