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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#include "cmCableDefineSetCommand.h"
#include "cmCacheManager.h"
#include "cmRegularExpression.h"
// cmCableDefineSetCommand
bool cmCableDefineSetCommand::Invoke(std::vector<std::string>& args)
{
if(args.size() < 2)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// This command needs access to the Cable data.
this->SetupCableData();
std::vector<std::string>::const_iterator arg = args.begin();
// The first argument is the name of the set.
m_SetName = *arg++;
// The rest of the arguments are the elements to be placed in the set.
for(; arg != args.end(); ++arg)
{
m_Elements.push_back(Element(this->GenerateTag(*arg), *arg));
}
// Write this command's configuration output.
this->WriteConfiguration();
return true;
}
/**
* Write the CABLE configuration code to define this Set.
*/
void cmCableDefineSetCommand::WriteConfiguration() const
{
cmRegularExpression needCdataBlock("[&<>]");
// Get the ouptut information from the cmCableData.
std::ostream& os = m_CableData->GetOutputStream();
cmCableData::Indentation indent = m_CableData->GetIndentation();
// Output the code.
os << indent << "<Set name=\"" << m_SetName.c_str() << "\">" << std::endl;
for(Elements::const_iterator e = m_Elements.begin();
e != m_Elements.end(); ++e)
{
os << indent << " <Element";
// Only output the tag if it is not the empty string.
if(e->first.length() > 0)
{
os << " tag=\"" << e->first.c_str() << "\"";
}
os << ">";
if(needCdataBlock.find(e->second.c_str()))
{
os << "<![CDATA[" << e->second.c_str() << "]]>";
}
else
{
os << e->second.c_str();
}
os << "</Element>" << std::endl;
}
os << indent << "</Set>" << std::endl;
}
/**
* Given the string representing a set element, automatically generate
* the CABLE element tag for it.
*
* **This function determines how the output language of all
* CABLE-generated wrappers will look!**
*/
std::string
cmCableDefineSetCommand::GenerateTag(const std::string& element) const
{
// Hold the regular expressions for matching against the element.
cmRegularExpression regex;
// If the element's code begins in a $, it is referring to a set name.
// The set's elements have their own tags, so we don't need one.
regex.compile("^[ \t]*\\$");
if(regex.find(element))
{ return ""; }
// Test for simple integer
regex.compile("^[ \t]*([0-9]*)[ \t]*$");
if(regex.find(element))
{
std::string tag = "_";
tag.append(regex.match(1));
return tag;
}
// Test for basic integer type
regex.compile("^[ \t]*(unsigned[ ]|signed[ ])?[ \t]*(char|short|int|long|long[ ]long)[ \t]*$");
if(regex.find(element))
{
std::string tag = "_";
if(regex.match(1) == "unsigned ")
{ tag.append("u"); }
if(regex.match(2) == "long long")
{ tag.append("llong"); }
else
{ tag.append(regex.match(2)); }
return tag;
}
// Test for basic floating-point type
regex.compile("^[ \t]*(long[ ])?[ \t]*(float|double)[ \t]*$");
if(regex.find(element))
{
std::string tag = "_";
if(regex.match(1) == "long ")
tag.append("l");
tag.append(regex.match(2));
return tag;
}
// Test for basic wide-character type
regex.compile("^[ \t]*(wchar_t)[ \t]*$");
if(regex.find(element))
{
return "_wchar";
}
// Test for plain type name (without template arguments).
regex.compile("^[ \t]*([A-Za-z_][A-Za-z0-9_]*)[ \t]*$");
if(regex.find(element))
{
// The tag is the same as the type.
return regex.match(1);
}
// Test for template class instance.
regex.compile("^[ \t]*([A-Za-z_][A-Za-z0-9_]*)<.*[ \t]*$");
if(regex.find(element))
{
// The tag is the type without arguments (the arguments may have
// their own tags).
return regex.match(1);
}
return "NO_AUTO_TAG";
}
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