/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "cmSourceGroup.h"

class cmSourceGroupInternals
{
public:
  std::vector<cmSourceGroup> GroupChildren;
};

cmSourceGroup::cmSourceGroup(const char* name, const char* regex,
                             const char* parentName)
  : Name(name)
{
  this->Internal = new cmSourceGroupInternals;
  this->SetGroupRegex(regex);
  if (parentName) {
    this->FullName = parentName;
    this->FullName += "\\";
  }
  this->FullName += this->Name;
}

cmSourceGroup::~cmSourceGroup()
{
  delete this->Internal;
}

cmSourceGroup::cmSourceGroup(cmSourceGroup const& r)
{
  this->Name = r.Name;
  this->FullName = r.FullName;
  this->GroupRegex = r.GroupRegex;
  this->GroupFiles = r.GroupFiles;
  this->SourceFiles = r.SourceFiles;
  this->Internal = new cmSourceGroupInternals(*r.Internal);
}

cmSourceGroup& cmSourceGroup::operator=(cmSourceGroup const& r)
{
  this->Name = r.Name;
  this->GroupRegex = r.GroupRegex;
  this->GroupFiles = r.GroupFiles;
  this->SourceFiles = r.SourceFiles;
  *(this->Internal) = *(r.Internal);
  return *this;
}

void cmSourceGroup::SetGroupRegex(const char* regex)
{
  if (regex) {
    this->GroupRegex.compile(regex);
  } else {
    this->GroupRegex.compile("^$");
  }
}

void cmSourceGroup::AddGroupFile(const std::string& name)
{
  this->GroupFiles.insert(name);
}

const char* cmSourceGroup::GetName() const
{
  return this->Name.c_str();
}

const char* cmSourceGroup::GetFullName() const
{
  return this->FullName.c_str();
}

bool cmSourceGroup::MatchesRegex(const char* name)
{
  return this->GroupRegex.find(name);
}

bool cmSourceGroup::MatchesFiles(const char* name)
{
  std::set<std::string>::const_iterator i = this->GroupFiles.find(name);
  if (i != this->GroupFiles.end()) {
    return true;
  }
  return false;
}

void cmSourceGroup::AssignSource(const cmSourceFile* sf)
{
  this->SourceFiles.push_back(sf);
}

const std::vector<const cmSourceFile*>& cmSourceGroup::GetSourceFiles() const
{
  return this->SourceFiles;
}

void cmSourceGroup::AddChild(cmSourceGroup const& child)
{
  this->Internal->GroupChildren.push_back(child);
}

cmSourceGroup* cmSourceGroup::LookupChild(const char* name) const
{
  // initializing iterators
  std::vector<cmSourceGroup>::const_iterator iter =
    this->Internal->GroupChildren.begin();
  const std::vector<cmSourceGroup>::const_iterator end =
    this->Internal->GroupChildren.end();

  // st
  for (; iter != end; ++iter) {
    std::string sgName = iter->GetName();

    // look if descenened is the one were looking for
    if (sgName == name) {
      return const_cast<cmSourceGroup*>(&(*iter)); // if it so return it
    }
  }

  // if no child with this name was found return NULL
  return NULL;
}

cmSourceGroup* cmSourceGroup::MatchChildrenFiles(const char* name)
{
  // initializing iterators
  std::vector<cmSourceGroup>::iterator iter =
    this->Internal->GroupChildren.begin();
  std::vector<cmSourceGroup>::iterator end =
    this->Internal->GroupChildren.end();

  if (this->MatchesFiles(name)) {
    return this;
  }
  for (; iter != end; ++iter) {
    cmSourceGroup* result = iter->MatchChildrenFiles(name);
    if (result) {
      return result;
    }
  }
  return 0;
}

cmSourceGroup* cmSourceGroup::MatchChildrenRegex(const char* name)
{
  // initializing iterators
  std::vector<cmSourceGroup>::iterator iter =
    this->Internal->GroupChildren.begin();
  std::vector<cmSourceGroup>::iterator end =
    this->Internal->GroupChildren.end();

  for (; iter != end; ++iter) {
    cmSourceGroup* result = iter->MatchChildrenRegex(name);
    if (result) {
      return result;
    }
  }
  if (this->MatchesRegex(name)) {
    return this;
  }

  return 0;
}

std::vector<cmSourceGroup> const& cmSourceGroup::GetGroupChildren() const
{
  return this->Internal->GroupChildren;
}