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;

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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 * Authors: Nathan Binkert
29 */
30
31#include <sys/stat.h>
32#include <sys/types.h>
33
34#include <cerrno>
35#include <climits>
36#include <cstdlib>
37#include <fstream>
38
39#include <gzstream.hh>
40
41#include "base/misc.hh"
42#include "base/output.hh"
43
44using namespace std;
45
46OutputDirectory simout;
47
48/**
49 *
50 */
51OutputDirectory::OutputDirectory()
52{}
53
54OutputDirectory::~OutputDirectory()
55{
56 for (map_t::iterator i = files.begin(); i != files.end(); i++) {
57 if (i->second)

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68 if (name == "cout" || name == "stdout")
69 return &cout;
70
71 return NULL;
72}
73
74ostream *
75OutputDirectory::openFile(const string &filename,
76 ios_base::openmode mode) const
77{
78 if (filename.find(".gz", filename.length()-3) < filename.length()) {
79 ogzstream *file = new ogzstream(filename.c_str(), mode);
80
81 if (!file->is_open())
82 fatal("Cannot open file %s", filename);
83
84 return file;
85 } else {
86 ofstream *file = new ofstream(filename.c_str(), mode);
87
88 if (!file->is_open())
89 fatal("Cannot open file %s", filename);
90
91 return file;
92 }
93}
94
95void
96OutputDirectory::setDirectory(const string &d)
97{
98 if (!dir.empty())
99 panic("Output directory already set!\n");
100
101 dir = d;
102
103 // guarantee that directory ends with a '/'
104 if (dir[dir.size() - 1] != '/')
105 dir += "/";
106}
107
108const string &
109OutputDirectory::directory() const
110{
111 if (dir.empty())
112 panic("Output directory not set!");
113
114 return dir;
115}
116
117inline string
118OutputDirectory::resolve(const string &name) const
119{
120 return (name[0] != '/') ? dir + name : name;
121}
122
123ostream *
124OutputDirectory::create(const string &name, bool binary)
125{
126 ostream *file = checkForStdio(name);
127 if (file)
128 return file;
129
130 string filename = resolve(name);
131 ios_base::openmode mode =
132 ios::trunc | binary ? ios::binary : (ios::openmode)0;
133 file = openFile(filename, mode);
134
135 return file;
136}
137
138ostream *
139OutputDirectory::find(const string &name)
140{
141 ostream *file = checkForStdio(name);
142 if (file)
143 return file;
144
145 string filename = resolve(name);
146 map_t::iterator i = files.find(filename);
147 if (i != files.end())
148 return (*i).second;
149
150 file = openFile(filename);
151 files[filename] = file;
152 return file;
153}
154
155bool
156OutputDirectory::isFile(const std::ostream *os)
157{
158 return os && os != &cerr && os != &cout;
159}