summaryrefslogtreecommitdiffstats
path: root/Source/CPack/cmCPackLog.cxx
blob: d37531b916f734839c8c4ee2a34c98cbb209e226 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmCPackLog.h"

#include <iostream>

#include <cm/memory>

#include "cmGeneratedFileStream.h"
#include "cmSystemTools.h"

cmCPackLog::cmCPackLog()
{
  this->DefaultOutput = &std::cout;
  this->DefaultError = &std::cerr;
}

cmCPackLog::~cmCPackLog() = default;

void cmCPackLog::SetLogOutputStream(std::ostream* os)
{
  this->LogOutputStream.reset();
  this->LogOutput = os;
}

bool cmCPackLog::SetLogOutputFile(const char* fname)
{
  this->LogOutputStream.reset();
  if (fname) {
    this->LogOutputStream = cm::make_unique<cmGeneratedFileStream>(fname);
  }
  if (this->LogOutputStream && !*this->LogOutputStream) {
    this->LogOutputStream.reset();
  }

  this->LogOutput = this->LogOutputStream.get();

  return this->LogOutput != nullptr;
}

void cmCPackLog::Log(int tag, const char* file, int line, const char* msg,
                     size_t length)
{
  // By default no logging
  bool display = false;

  // Display file and line number if debug
  bool useFileAndLine = this->Debug;

  bool output = false;
  bool debug = false;
  bool warning = false;
  bool error = false;
  bool verbose = false;

  // When writing in file, add list of tags whenever tag changes.
  std::string tagString;
  bool needTagString = false;
  if (this->LogOutput && this->LastTag != tag) {
    needTagString = true;
  }

  if (tag & LOG_OUTPUT) {
    output = true;
    display = true;
    if (needTagString) {
      if (!tagString.empty()) {
        tagString += ",";
      }
      tagString += "VERBOSE";
    }
  }
  if (tag & LOG_WARNING) {
    warning = true;
    display = true;
    if (needTagString) {
      if (!tagString.empty()) {
        tagString += ",";
      }
      tagString += "WARNING";
    }
  }
  if (tag & LOG_ERROR) {
    error = true;
    display = true;
    if (needTagString) {
      if (!tagString.empty()) {
        tagString += ",";
      }
      tagString += "ERROR";
    }
  }
  if (tag & LOG_DEBUG && this->Debug) {
    debug = true;
    display = true;
    if (needTagString) {
      if (!tagString.empty()) {
        tagString += ",";
      }
      tagString += "DEBUG";
    }
    useFileAndLine = true;
  }
  if (tag & LOG_VERBOSE && this->Verbose) {
    verbose = true;
    display = true;
    if (needTagString) {
      if (!tagString.empty()) {
        tagString += ",";
      }
      tagString += "VERBOSE";
    }
  }
  if (this->Quiet) {
    display = false;
  }
  if (this->LogOutput) {
    if (needTagString) {
      *this->LogOutput << "[" << file << ":" << line << " " << tagString
                       << "] ";
    }
    this->LogOutput->write(msg, length);
  }
  this->LastTag = tag;
  if (!display) {
    return;
  }
  if (this->NewLine) {
    if (error && !this->ErrorPrefix.empty()) {
      *this->DefaultError << this->ErrorPrefix;
    } else if (warning && !this->WarningPrefix.empty()) {
      *this->DefaultError << this->WarningPrefix;
    } else if (output && !this->OutputPrefix.empty()) {
      *this->DefaultOutput << this->OutputPrefix;
    } else if (verbose && !this->VerbosePrefix.empty()) {
      *this->DefaultOutput << this->VerbosePrefix;
    } else if (debug && !this->DebugPrefix.empty()) {
      *this->DefaultOutput << this->DebugPrefix;
    } else if (!this->Prefix.empty()) {
      *this->DefaultOutput << this->Prefix;
    }
    if (useFileAndLine) {
      if (error || warning) {
        *this->DefaultError << file << ":" << line << " ";
      } else {
        *this->DefaultOutput << file << ":" << line << " ";
      }
    }
  }
  if (error || warning) {
    this->DefaultError->write(msg, length);
    this->DefaultError->flush();
  } else {
    this->DefaultOutput->write(msg, length);
    this->DefaultOutput->flush();
  }
  if (msg[length - 1] == '\n' || length > 2) {
    this->NewLine = true;
  }

  if (error) {
    cmSystemTools::SetErrorOccurred();
  }
}