CMake/Source/cmCableClassSet.cxx

/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

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=========================================================================*/
#include "cmCableClassSet.h"


/**
 * Add to the set of required sources to define the class.
 */
void cmCableClass::AddSources(const Sources& sources)
{
  for(Sources::const_iterator s = sources.begin(); s != sources.end(); ++s)
    {
    m_Sources.insert(*s);
    }
}


/**
 * Add to the set of required sources to define the class.
 */
void cmCableClass::AddSource(const char* source)
{
  m_Sources.insert(source);
}


/**
 * Add a class to the set.
 */
void cmCableClassSet::AddClass(const char* name,
                               const cmCableClass& cableClass)
{
  m_CableClassMap.insert(CableClassMap::value_type(name, cableClass));
}


/**
 * Add a source to every class in the set.  This should only be done after
 * all classes have been inserted.
 */
void cmCableClassSet::AddSource(const char* name)
{
  for(CableClassMap::iterator c = m_CableClassMap.begin();
      c != m_CableClassMap.end(); ++c)
    {
    c->second.AddSource(name);
    }
}

/**
 * Get the size of the internal CableClassMap used to store the set.
 */
unsigned int cmCableClassSet::Size() const
{
  return m_CableClassMap.size();
}


/**
 * Get a begin iterator to the internal CableClassMap used to store the
 * set.
 */
cmCableClassSet::CableClassMap::const_iterator cmCableClassSet::Begin() const
{
  return m_CableClassMap.begin();
}


/**
 * Get an end iterator to the internal CableClassMap used to store the
 * set.
 */
cmCableClassSet::CableClassMap::const_iterator cmCableClassSet::End() const
{
  return m_CableClassMap.end();
}

/**
 * Parse the given string to extract the class information specified.
 *
 * The format of the string is
 *   [tag:]class_name[;source1;source2;...]
 *
 */
void cmCableClassSet::ParseAndAddElement(const char* element,
                                         cmMakefile* makefile)
{
  // A regular expression to match the tagged element specification.
  cmRegularExpression tagGiven("^([A-Za-z_0-9]*)[ \t]*:[ \t]*([^:].*|::.*)$");

  // A regular expression to match the element when more source files are given.
  cmRegularExpression sourcesRemain("^([^;]*);(.*)$");

  std::string tag;
  std::string elementWithoutTag;
  std::string className;
  std::string sourceString;

  if(tagGiven.find(element))
    {
    // A tag was given.  Use it.
    tag = tagGiven.match(1);
    elementWithoutTag = tagGiven.match(2);
    }
  else
    {
    // No tag was given.  Try to generate one.
    //if(!this->GenerateTag(element, tag))
    //  { return false; }
    elementWithoutTag = element;
    }
  
  if(sourcesRemain.find(elementWithoutTag.c_str()))
    {
    className = sourcesRemain.match(1);
    sourceString = sourcesRemain.match(2);
    }
  else
    {
    className = elementWithoutTag;
    }
  
  cmCableClass::Sources sources;
  
  while(sourcesRemain.find(sourceString.c_str()))
    {
    sources.insert(sourcesRemain.match(1));
    sourceString = sourcesRemain.match(2);
    }
  if(sourceString != "")
    {
    sources.insert(sourceString);
    }
  
  // A regular expression to match a class name that is just a set.
  cmRegularExpression setDereference("^\\$(.*)$");
  if(setDereference.find(className))
    {
    std::string setName = setDereference.match(1);
    cmData* d = makefile->LookupData(setName.c_str());
    // This should be a dynamic_cast, but we don't want to require RTTI.
    cmCableClassSet* classSet = static_cast<cmCableClassSet*>(d);
    if(classSet)
      {
      this->AddCableClassSet(*classSet, sources);
      }
    else
      {
      cmSystemTools::Error("Unknown CABLE class set ", setName.c_str());
      }
    }
  else
    {
    cmCableClass cableClass;
    cableClass.AddSources(sources);
    this->AddClass(className.c_str(), cableClass);
    }
}


/**
 * Add all elements from the given cmCableClassSet to this set, with the given
 * sources added to each element.
 */
void cmCableClassSet::AddCableClassSet(const cmCableClassSet& set,
                                       const cmCableClass::Sources& sources)
{
  for(CableClassMap::const_iterator c = set.Begin(); c != set.End(); ++c)
    {
    cmCableClass cableClass = c->second;
    cableClass.AddSources(sources);
    this->AddClass(c->first.c_str(), cableClass);
    }
}