summaryrefslogtreecommitdiff
path: root/Source/cmExecProgramCommand.cxx
blob: 4eb3937bd36e6d85cce82f89fcbf4ab28b5e4430 (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
/*=========================================================================

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "cmExecProgramCommand.h"
#include "cmSystemTools.h"

// cmExecProgramCommand
bool cmExecProgramCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
  if(args.size() < 1 )
    {
    this->SetError("called with incorrect number of arguments");
    return false;
    }
  std::string arguments;
  bool doingargs = false;
  int count = 0;
  std::string output_variable;
  bool haveoutput_variable = false;
  std::string return_variable;
  bool havereturn_variable = false;
  for(size_t i=0; i < args.size(); ++i)
    {
    if(args[i] == "OUTPUT_VARIABLE")
      {
      count++;
      doingargs = false;
      havereturn_variable = false;
      haveoutput_variable = true;
      }    
    else if ( haveoutput_variable )
      {
      if ( output_variable.size() > 0 )
        {
        this->SetError("called with incorrect number of arguments");
        return false;
        }
      output_variable = args[i];
      haveoutput_variable = false;
      count ++;
      }
    else if(args[i] == "RETURN_VALUE")
      {
      count++;
      doingargs = false;
      haveoutput_variable = false;
      havereturn_variable = true;
      }    
    else if ( havereturn_variable )
      {
      if ( return_variable.size() > 0 )
        {
        this->SetError("called with incorrect number of arguments");
        return false;
        }
      return_variable = args[i];
      havereturn_variable = false;
      count ++;
      }
    else if(args[i] == "ARGS")
      {
      count++;
      havereturn_variable = false;
      haveoutput_variable = false;
      doingargs = true;
      }
    else if(doingargs)
      {
      arguments += args[i];
      arguments += " ";
      count++;
      }
    }

  std::string command;
  if(arguments.size())
    {
    command = cmSystemTools::ConvertToRunCommandPath(args[0].c_str());
    command += " ";
    command += arguments;
    }
  else
    {
    command = args[0];
    }
  bool verbose = true;
  if(output_variable.size() > 0)
    {
    verbose = false;
    }
  int retVal = 0;
  std::string output;
  bool result = true;
  if(args.size() - count == 2)
    {
    cmSystemTools::MakeDirectory(args[1].c_str());
    result = cmSystemTools::RunCommand(command.c_str(), output, retVal,
                                       args[1].c_str(), verbose);
    }
  else
    {
    result = cmSystemTools::RunCommand(command.c_str(), output, 
                                       retVal, 0, verbose);
    }
  if(!result)
    {
    retVal = -1;
    }  

  if ( output_variable.size() > 0 )
    {    
    std::string::size_type first = output.find_first_not_of(" \n\t\r");
    std::string::size_type last = output.find_last_not_of(" \n\t\r");
    if(first == std::string::npos)
      {
      first = 0;
      }
    if(last == std::string::npos)
      {
      last = output.size()-1;
      }
    
    std::string coutput = std::string(output, first, last-first+1);
    this->Makefile->AddDefinition(output_variable.c_str(), coutput.c_str());
    }

  if ( return_variable.size() > 0 )
    {
    char buffer[100];
    sprintf(buffer, "%d", retVal);
    this->Makefile->AddDefinition(return_variable.c_str(), buffer);
    }
  
  return true;
}