157 lines
3.9 KiB
C++
157 lines
3.9 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) 2000 National Library of Medicine
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All rights reserved.
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See COPYRIGHT.txt for copyright details.
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=========================================================================*/
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#include "cmCabilDefineSetCommand.h"
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#include "cmCacheManager.h"
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#include "cmRegularExpression.h"
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// cmCabilDefineSetCommand
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bool cmCabilDefineSetCommand::Invoke(std::vector<std::string>& args)
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{
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if(args.size() < 2)
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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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std::vector<std::string>::const_iterator arg = args.begin();
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// The first argument is the name of the set.
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m_SetName = *arg++;
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// The rest of the arguments are the elements to be placed in the set.
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for(; arg != args.end(); ++arg)
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{
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m_Elements.push_back(Element(this->GenerateTag(*arg), *arg));
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}
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return true;
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}
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/**
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* Write the CABIL configuration code to define this Set.
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*/
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void cmCabilDefineSetCommand::WriteConfiguration(std::ostream& os) const
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{
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cmRegularExpression needCdataBlock("[&<>]");
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os << " <Set name=\"" << m_SetName.c_str() << "\">" << std::endl;
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for(Elements::const_iterator e = m_Elements.begin();
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e != m_Elements.end(); ++e)
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{
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os << " <Element";
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// Only output the tag if it is not the empty string.
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if(e->first.length() > 0)
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{
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os << " tag=\"" << e->first.c_str() << "\"";
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}
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os << ">";
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if(needCdataBlock.find(e->second.c_str()))
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{
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os << "<![CDATA[" << e->second.c_str() << "]]>";
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}
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else
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{
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os << e->second.c_str();
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}
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os << "</Element>" << std::endl;
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}
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os << " </Set>" << std::endl;
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}
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/**
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* Given the string representing a set element, automatically generate
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* the CABIL element tag for it.
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*
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* **This function determines how the output language of all
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* CABIL-generated wrappers will look!**
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*/
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std::string
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cmCabilDefineSetCommand::GenerateTag(const std::string& element) const
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{
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// Hold the regular expressions for matching against the element.
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cmRegularExpression regex;
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// If the element's code begins in a $, it is referring to a set name.
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// The set's elements have their own tags, so we don't need one.
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regex.compile("^[ \t]*\\$");
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if(regex.find(element))
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{ return ""; }
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// Test for simple integer
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regex.compile("^[ \t]*([0-9]*)[ \t]*$");
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if(regex.find(element))
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{
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std::string tag = "_";
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tag.append(regex.match(1));
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return tag;
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}
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// Test for basic integer type
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regex.compile("^[ \t]*(unsigned[ ]|signed[ ])?[ \t]*(char|short|int|long|long[ ]long)[ \t]*$");
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if(regex.find(element))
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{
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std::string tag = "_";
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if(regex.match(1) == "unsigned ")
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{ tag.append("u"); }
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if(regex.match(2) == "long long")
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{ tag.append("llong"); }
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else
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{ tag.append(regex.match(2)); }
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return tag;
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}
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// Test for basic floating-point type
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regex.compile("^[ \t]*(long[ ])?[ \t]*(float|double)[ \t]*$");
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if(regex.find(element))
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{
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std::string tag = "_";
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if(regex.match(1) == "long ")
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tag.append("l");
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tag.append(regex.match(2));
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return tag;
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}
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// Test for basic wide-character type
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regex.compile("^[ \t]*(wchar_t)[ \t]*$");
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if(regex.find(element))
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{
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return "_wchar";
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}
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// Test for plain type name (without template arguments).
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regex.compile("^[ \t]*([A-Za-z_][A-Za-z0-9_]*)[ \t]*$");
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if(regex.find(element))
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{
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// The tag is the same as the type.
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return regex.match(1);
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}
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// Test for template class instance.
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regex.compile("^[ \t]*([A-Za-z_][A-Za-z0-9_]*)<.*[ \t]*$");
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if(regex.find(element))
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{
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// The tag is the type without arguments (the arguments may have
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// their own tags).
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return regex.match(1);
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}
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return "NO_AUTO_TAG";
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}
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