Source/cmPropertyMap.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmPropertyMap.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008-01-17 23:13:55 $
   7   Version:   $Revision: 1.11 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #include "cmPropertyMap.h"
  18 #include "cmSystemTools.h"
  19 #include "cmake.h"
  20
  21 cmProperty *cmPropertyMap::GetOrCreateProperty(const char *name)
  22 {
  23   cmPropertyMap::iterator it = this->find(name);
  24   cmProperty *prop;
  25   if (it == this->end())
  26     {
  27     prop = &(*this)[name];
  28     }
  29   else
  30     {
  31     prop = &(it->second);
  32     }
  33   return prop;
  34 }
  35
  36 void cmPropertyMap::SetProperty(const char *name, const char *value,
  37                                 cmProperty::ScopeType scope)
  38 {
  39   if (!name)
  40     {
  41     return;
  42     }
  43   if(!value)
  44     {
  45     this->erase(name);
  46     return;
  47     }
  48 #ifdef CMAKE_STRICT
  49   if (!this->CMakeInstance)
  50     {
  51     cmSystemTools::Error("CMakeInstance not set on a property map!");
  52     abort();
  53     }
  54   else
  55     {
  56     this->CMakeInstance->RecordPropertyAccess(name,scope);
  57     }
  58 #else
  59   (void)scope;
  60 #endif
  61
  62   cmProperty *prop = this->GetOrCreateProperty(name);
  63   prop->Set(name,value);
  64 }
  65
  66 void cmPropertyMap::AppendProperty(const char* name, const char* value,
  67                                    cmProperty::ScopeType scope)
  68 {
  69   // Skip if nothing to append.
  70   if(!name || !value || !*value)
  71     {
  72     return;
  73     }
  74 #ifdef CMAKE_STRICT
  75   if (!this->CMakeInstance)
  76     {
  77     cmSystemTools::Error("CMakeInstance not set on a property map!");
  78     abort();
  79     }
  80   else
  81     {
  82     this->CMakeInstance->RecordPropertyAccess(name,scope);
  83     }
  84 #else
  85   (void)scope;
  86 #endif
  87
  88   cmProperty *prop = this->GetOrCreateProperty(name);
  89   prop->Append(name,value);
  90 }
  91
  92 const char *cmPropertyMap
  93 ::GetPropertyValue(const char *name,
  94                    cmProperty::ScopeType scope,
  95                    bool &chain) const
  96 {
  97   chain = false;
  98   if (!name)
  99     {
 100     return 0;
 101     }
 102
 103   // has the property been defined?
 104 #ifdef CMAKE_STRICT
 105   if (!this->CMakeInstance)
 106     {
 107     cmSystemTools::Error("CMakeInstance not set on a property map!");
 108     abort();
 109     }
 110   else
 111     {
 112     this->CMakeInstance->RecordPropertyAccess(name,scope);
 113     }
 114 #endif
 115
 116   cmPropertyMap::const_iterator it = this->find(name);
 117   if (it == this->end())
 118     {
 119     // should we chain up?
 120     if (this->CMakeInstance)
 121       {
 122       chain = this->CMakeInstance->IsPropertyChained(name,scope);
 123       }
 124     return 0;
 125     }
 126   return it->second.GetValue();
 127 }
 128