402 lines
8.5 KiB
C++
402 lines
8.5 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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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) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmGlob.h"
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#include <cmsys/Directory.hxx>
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#include <cmsys/RegularExpression.hxx>
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#include <cmsys/SystemTools.hxx>
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#include <ctype.h>
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#if defined( _WIN32 ) || defined( APPLE ) || defined( __CYGWIN__ )
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// On Windows and apple, no difference between lower and upper case
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#define CM_GLOB_CASE_INDEPENDENT
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#endif
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#if defined( _WIN32 ) || defined( __CYGWIN__ )
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// Handle network paths
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#define CM_GLOB_SUPPORT_NETWORK_PATHS
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#endif
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class cmGlobInternal
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{
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public:
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std::vector<std::string> Files;
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std::vector<cmsys::RegularExpression> Expressions;
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std::vector<std::string> TextExpressions;
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};
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cmGlob::cmGlob()
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{
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m_Internals = new cmGlobInternal;
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m_Recurse = false;
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}
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cmGlob::~cmGlob()
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{
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delete m_Internals;
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}
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void cmGlob::Escape(int ch, char* buffer)
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{
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if (! (
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'a' <= ch && ch <= 'z' ||
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'A' <= ch && ch <= 'Z' ||
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'0' <= ch && ch <= '9') )
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{
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sprintf(buffer, "\\%c", ch);
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}
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else
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{
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#if defined( CM_GLOB_CASE_INDEPENDENT )
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// On Windows and apple, no difference between lower and upper case
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sprintf(buffer, "%c", tolower(ch));
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#else
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sprintf(buffer, "%c", ch);
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#endif
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}
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}
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std::vector<std::string>& cmGlob::GetFiles()
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{
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return m_Internals->Files;
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}
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std::string cmGlob::ConvertExpression(const std::string& expr)
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{
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std::string::size_type i = 0;
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std::string::size_type n = expr.size();
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std::string res = "^";
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std::string stuff = "";
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while ( i < n )
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{
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int c = expr[i];
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i = i+1;
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if ( c == '*' )
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{
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res = res + ".*";
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}
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else if ( c == '?' )
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{
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res = res + ".";
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}
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else if ( c == '[' )
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{
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std::string::size_type j = i;
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if ( j < n && ( expr[j] == '!' || expr[j] == '^' ) )
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{
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j = j+1;
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}
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if ( j < n && expr[j] == ']' )
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{
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j = j+1;
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}
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while ( j < n && expr[j] != ']' )
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{
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j = j+1;
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}
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if ( j >= n )
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{
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res = res + "\\[";
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}
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else
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{
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stuff = "";
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std::string::size_type cc;
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for ( cc = i; cc < j; cc ++ )
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{
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if ( expr[cc] == '\\' )
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{
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stuff += "\\\\";
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}
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else
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{
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stuff += expr[cc];
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}
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}
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i = j+1;
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if ( stuff[0] == '!' || stuff[0] == '^' )
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{
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stuff = '^' + stuff.substr(1);
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}
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else if ( stuff[0] == '^' )
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{
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stuff = '\\' + stuff;
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}
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res = res + "[" + stuff + "]";
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}
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}
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else
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{
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char buffer[100];
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buffer[0] = 0;
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this->Escape(c, buffer);
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res = res + buffer;
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}
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}
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return res + "$";
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}
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void cmGlob::RecurseDirectory(std::string::size_type start,
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const std::string& dir, bool dir_only)
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{
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cmsys::Directory d;
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if ( !d.Load(dir.c_str()) )
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{
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return;
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}
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unsigned long cc;
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std::string fullname;
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std::string realname;
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std::string fname;
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for ( cc = 0; cc < d.GetNumberOfFiles(); cc ++ )
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{
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fname = d.GetFile(cc);
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if ( strcmp(fname.c_str(), ".") == 0 ||
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strcmp(fname.c_str(), "..") == 0 )
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{
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continue;
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}
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if ( start == 0 )
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{
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realname = dir + fname;
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}
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else
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{
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realname = dir + "/" + fname;
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}
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#if defined( CM_GLOB_CASE_INDEPENDENT )
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// On Windows and apple, no difference between lower and upper case
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fname = cmsys::SystemTools::LowerCase(fname);
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#endif
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if ( start == 0 )
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{
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fullname = dir + fname;
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}
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else
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{
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fullname = dir + "/" + fname;
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}
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if ( !dir_only || !cmsys::SystemTools::FileIsDirectory(realname.c_str()) )
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{
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if ( m_Internals->Expressions[m_Internals->Expressions.size()-1].find(fname.c_str()) )
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{
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m_Internals->Files.push_back(realname);
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}
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}
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if ( cmsys::SystemTools::FileIsDirectory(realname.c_str()) )
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{
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this->RecurseDirectory(start+1, realname, dir_only);
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}
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}
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}
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void cmGlob::ProcessDirectory(std::string::size_type start,
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const std::string& dir, bool dir_only)
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{
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//std::cout << "ProcessDirectory: " << dir << std::endl;
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bool last = ( start == m_Internals->Expressions.size()-1 );
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if ( last && m_Recurse )
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{
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this->RecurseDirectory(start, dir, dir_only);
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return;
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}
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cmsys::Directory d;
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if ( !d.Load(dir.c_str()) )
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{
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return;
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}
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unsigned long cc;
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std::string fullname;
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std::string realname;
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std::string fname;
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for ( cc = 0; cc < d.GetNumberOfFiles(); cc ++ )
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{
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fname = d.GetFile(cc);
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if ( strcmp(fname.c_str(), ".") == 0 ||
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strcmp(fname.c_str(), "..") == 0 )
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{
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continue;
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}
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if ( start == 0 )
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{
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realname = dir + fname;
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}
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else
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{
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realname = dir + "/" + fname;
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}
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#if defined( CM_GLOB_CASE_INDEPENDENT )
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// On Windows and apple, no difference between lower and upper case
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fname = cmsys::SystemTools::LowerCase(fname);
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#endif
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if ( start == 0 )
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{
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fullname = dir + fname;
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}
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else
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{
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fullname = dir + "/" + fname;
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}
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//std::cout << "Look at file: " << fname << std::endl;
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//std::cout << "Match: " << m_Internals->TextExpressions[start].c_str() << std::endl;
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//std::cout << "Full name: " << fullname << std::endl;
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if ( (!dir_only || !last) && !cmsys::SystemTools::FileIsDirectory(realname.c_str()) )
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{
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continue;
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}
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if ( m_Internals->Expressions[start].find(fname.c_str()) )
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{
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if ( last )
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{
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m_Internals->Files.push_back(realname);
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}
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else
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{
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this->ProcessDirectory(start+1, realname + "/", dir_only);
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}
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}
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}
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}
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bool cmGlob::FindFiles(const std::string& inexpr)
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{
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std::string cexpr;
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std::string::size_type cc;
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std::string expr = inexpr;
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m_Internals->Expressions.clear();
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m_Internals->Files.clear();
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if ( !cmsys::SystemTools::FileIsFullPath(expr.c_str()) )
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{
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expr = cmsys::SystemTools::GetCurrentWorkingDirectory();
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expr += "/" + inexpr;
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}
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std::string fexpr = expr;
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int skip = 0;
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int last_slash = 0;
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for ( cc = 0; cc < expr.size(); cc ++ )
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{
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if ( cc > 0 && expr[cc] == '/' && expr[cc-1] != '\\' )
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{
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last_slash = cc;
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}
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if ( cc > 0 &&
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(expr[cc] == '[' || expr[cc] == '?' || expr[cc] == '*') &&
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expr[cc-1] != '\\' )
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{
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break;
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}
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}
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if ( last_slash > 0 )
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{
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//std::cout << "I can skip: " << fexpr.substr(0, last_slash) << std::endl;
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skip = last_slash;
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}
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if ( skip == 0 )
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{
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#if defined( CM_GLOB_SUPPORT_NETWORK_PATHS )
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// Handle network paths
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if ( expr[0] == '/' && expr[1] == '/' )
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{
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int cnt = 0;
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for ( cc = 2; cc < expr.size(); cc ++ )
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{
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if ( expr[cc] == '/' )
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{
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cnt ++;
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if ( cnt == 2 )
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{
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break;
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}
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}
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}
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skip = cc + 1;
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}
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else
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#endif
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// Handle drive letters on Windows
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if ( expr[1] == ':' && expr[0] != '/' )
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{
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skip = 2;
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}
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}
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if ( skip > 0 )
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{
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expr = expr.substr(skip);
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}
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cexpr = "";
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for ( cc = 0; cc < expr.size(); cc ++ )
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{
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int ch = expr[cc];
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if ( ch == '/' )
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{
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if ( cexpr.size() > 0 )
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{
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this->AddExpression(cexpr.c_str());
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}
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cexpr = "";
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}
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else
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{
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cexpr.append(1, (char)ch);
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}
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}
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if ( cexpr.size() > 0 )
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{
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this->AddExpression(cexpr.c_str());
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}
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// Handle network paths
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if ( skip > 0 )
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{
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this->ProcessDirectory(0, fexpr.substr(0, skip) + "/",
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true);
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}
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else
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{
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this->ProcessDirectory(0, "/", true);
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}
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return true;
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}
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void cmGlob::AddExpression(const char* expr)
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{
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m_Internals->Expressions.push_back(
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cmsys::RegularExpression(
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this->ConvertExpression(expr).c_str()));
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m_Internals->TextExpressions.push_back(this->ConvertExpression(expr));
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}
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