145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2001 Insight Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* The name of the Insight Consortium, nor the names of any consortium members,
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nor of any contributors, may be used to endorse or promote products derived
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from this software without specific prior written permission.
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* Modified source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=========================================================================*/
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#include "cmSetCommand.h"
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// cmSetCommand
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bool cmSetCommand::InitialPass(std::vector<std::string>& args)
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{
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if(args.size() < 1 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// SET (VAR ) // this is a no-op
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if (args.size() == 1)
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{
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return true;
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}
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// here are the options
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// SET (VAR)
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// SET (VAR value )
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// SET (VAR CACHE TYPE "doc String")
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// SET (VAR value CACHE TYPE "doc string")
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const char* variable = args[0].c_str(); // VAR is always first
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std::string value; // optional
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bool cache = false; // optional
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cmCacheManager::CacheEntryType type = cmCacheManager::STRING; // required if cache
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const char* docstring = 0; // required if cache
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std::string::size_type cacheStart = 0;
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if(args.size() == 2)
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{
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// SET (VAR value )
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value= args[1];
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}
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else if(args.size() == 4)
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{
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// SET (VAR CACHE TYPE "doc String")
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cache = true;
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cacheStart = 1;
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}
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else if(args.size() == 5)
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{
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// SET (VAR value CACHE TYPE "doc string")
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cache = true;
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value = args[1];
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cacheStart = 2;
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}
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else
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{
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std::string message;
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message += "Syntax error in SET:\n";
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message += "CACHE requires TYPE and document string SET command:\n";
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message += "SET (";
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for(std::vector<std::string>::iterator i = args.begin();
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i != args.end(); ++i)
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{
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message += *i;
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}
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message += ")\n";
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this->SetError(message.c_str());
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return false;
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}
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if(cache)
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{
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if(args[cacheStart] != "CACHE")
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{
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std::string error = "Error in arguments to cache, expected CACHE found:";
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error += args[cacheStart];
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this->SetError(error.c_str());
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return false;
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}
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type = cmCacheManager::StringToType(args[cacheStart+1].c_str());
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docstring = args[cacheStart+2].c_str();
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}
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// always expand the first argument
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m_Makefile->ExpandVariablesInString(value);
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// get the current cache value for the variable
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const char* cacheValue =
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m_Makefile->GetDefinition(variable);
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if(cacheValue)
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{
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// if it is not a cached value, or it is a cached
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// value that is not internal keep the value found
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// in the cache
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if(cache && type != cmCacheManager::INTERNAL)
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{
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return true;
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}
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}
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// if it is meant to be in the cache then define it in the cache
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if(cache)
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{
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m_Makefile->AddCacheDefinition(variable,
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value.c_str(),
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docstring,
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type);
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}
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else
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{
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// add the definition
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m_Makefile->AddDefinition(variable, value.c_str());
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}
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return true;
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}
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