324 lines
9.8 KiB
C++
324 lines
9.8 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 "cmCableDefineSetCommand.h"
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#include "cmCacheManager.h"
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#include "cmRegularExpression.h"
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// cmCableDefineSetCommand
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bool cmCableDefineSetCommand::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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// This command needs access to the Cable data.
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this->SetupCableData();
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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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// All arguments until a "SOURCE_FILES" are the elements to be placed in
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// the set.
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for(; (arg != args.end()) && (*arg != "SOURCE_FILES"); ++arg)
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{
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// If the element cannot be added, return an error.
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// This can occur when a tag is not specified and can't be generated.
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if(!this->AddElement(*arg))
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{ return false; }
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}
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// If we are not at the end, the "SOURCE_FILES" keyword has been
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// encountered.
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if(arg != args.end())
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{
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// The rest of the arguments are source files to be included in
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// any package which references the set.
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for(++arg; arg != args.end(); ++arg)
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{
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if(!this->AddSourceFile(*arg))
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{ return false; }
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}
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}
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// Write this command's configuration output.
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this->WriteConfiguration();
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return true;
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}
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/**
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* Write the CABLE configuration code to define this Set.
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*/
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void cmCableDefineSetCommand::WriteConfiguration() const
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{
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cmRegularExpression needCdataBlock("[&<>]");
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// Get the ouptut information from the cmCableData.
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std::ostream& os = m_CableData->GetOutputStream();
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cmCableData::Indentation indent = m_CableData->GetIndentation();
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// Output the code.
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os << indent << "<" << this->GetXmlTag() << " name=\"" << m_SetName.c_str() << "\">" << std::endl;
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for(std::vector<std::string>::const_iterator e = m_SourceHeaders.begin();
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e != m_SourceHeaders.end(); ++e)
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{
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os << indent << " <File name=\"" << e->c_str() << "\"/>" << std::endl;
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}
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for(std::vector<std::string>::const_iterator e = m_InstantiationSources.begin();
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e != m_InstantiationSources.end(); ++e)
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{
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os << indent << " <File name=\"" << e->c_str()
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<< "\" purpose=\"instantiate\"/>" << std::endl;
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}
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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 << indent << " <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 << indent << "</" << this->GetXmlTag() << ">" << std::endl;
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}
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/**
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* Add an element to the set. The given string is the argument to the
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* command describing the element. There are two formats allowed:
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* "code" = The code describing the element to CABLE is simply given.
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* The GenerateTag() method will guess at a good tag for the
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* code.
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* "tag:code" = The left side of a single colon is text describing the tag.
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* GenerateTag() will not be called.
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*/
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bool cmCableDefineSetCommand::AddElement(const std::string& arg)
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{
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// A regular expression to match the tagged element specification.
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cmRegularExpression tagGiven("^([A-Za-z_0-9]*)[ \t]*:[ \t]*([^:].*|::.*)$");
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std::string tag;
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std::string code;
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if(tagGiven.find(arg.c_str()))
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{
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// A tag was given. Use it.
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tag = tagGiven.match(1);
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code = tagGiven.match(2);
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}
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else
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{
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// No tag was given. Try to generate one.
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if(!this->GenerateTag(arg, tag))
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{ return false; }
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code = arg;
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}
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// Add an element with the given tag and code.
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m_Elements.push_back(Element(tag, code));
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return true;
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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 CABLE 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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* CABLE-generated wrappers will look!**
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*/
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bool
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cmCableDefineSetCommand::GenerateTag(const std::string& element,
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std::string& tag)
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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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{ tag = ""; return true; }
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// Test for simple integer
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regex.compile("^[ \t]*([0-9]*)[ \t]*$");
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if(regex.find(element))
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{
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tag = "_";
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tag.append(regex.match(1));
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return true;
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}
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// Test for basic integer type
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regex.compile("^[ \t]*(unsigned[ ]|signed[ ])?[ \t]*(char|short|int|long|long[ ]long)[ \t]*$");
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if(regex.find(element))
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{
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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 true;
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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]*$");
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if(regex.find(element))
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{
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tag = "_";
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if(regex.match(1) == "long ")
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tag.append("l");
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tag.append(regex.match(2));
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return true;
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}
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// Test for basic wide-character type
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regex.compile("^[ \t]*(wchar_t)[ \t]*$");
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if(regex.find(element))
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{
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tag = "_wchar";
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return true;
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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]*$");
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if(regex.find(element))
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{
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// The tag is the same as the type.
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tag = regex.match(1);
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return true;
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}
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// Test for template class instance.
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regex.compile("^[ \t]*([A-Za-z_][A-Za-z0-9_]*)<.*[ \t]*$");
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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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tag = regex.match(1);
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return true;
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}
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// We can't generate a tag.
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std::string err =
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("doesn't know how to generate tag for element \""+element+"\" in set \""
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+m_SetName+"\"\nPlease specify one with the \"tag:element\" syntax.");
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this->SetError(err.c_str());
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tag = "";
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return false;
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}
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/**
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* Add a source file associated with this set. Any package referencing
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* this set will automatically include this source file.
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*/
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bool cmCableDefineSetCommand::AddSourceFile(const std::string& file)
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{
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// We must locate the file in the include path so that we can detect
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// its extension, and whether there is more than one to find.
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std::string header = file+".h";
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std::string txx = file+".txx";
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m_Makefile->ExpandVariablesInString(header);
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m_Makefile->ExpandVariablesInString(txx);
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// See if the file just exists here. The compiler's search path will
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// locate it.
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if(cmSystemTools::FileExists(header.c_str()))
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{
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m_SourceHeaders.push_back(header);
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// See if there is a matching .txx as well.
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if(cmSystemTools::FileExists(txx.c_str()))
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{
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m_InstantiationSources.push_back(txx);
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}
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return true;
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}
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// We must look for the file in the include search path.
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const std::vector<std::string>& includeDirectories =
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m_Makefile->GetIncludeDirectories();
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for(std::vector<std::string>::const_iterator dir = includeDirectories.begin();
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dir != includeDirectories.end(); ++dir)
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{
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std::string path = *dir + "/";
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m_Makefile->ExpandVariablesInString(path);
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if(cmSystemTools::FileExists((path+header).c_str()))
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{
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m_SourceHeaders.push_back(header);
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// See if there is a matching .txx as well.
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if(cmSystemTools::FileExists((path+txx).c_str()))
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{
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m_InstantiationSources.push_back(txx);
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}
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return true;
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}
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}
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// We couldn't locate the source file. Report the error.
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std::string err = "couldn't find source file " + header;
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this->SetError(err.c_str());
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return false;
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}
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