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Diffstat (limited to 'Source/cmGlob.cxx')
| -rw-r--r-- | Source/cmGlob.cxx | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/Source/cmGlob.cxx b/Source/cmGlob.cxx new file mode 100644 index 0000000..6430c48 --- /dev/null +++ b/Source/cmGlob.cxx @@ -0,0 +1,240 @@ +/*========================================================================= + + Program: CMake - Cross-Platform Makefile Generator + Module: $RCSfile$ + Language: C++ + Date: $Date$ + Version: $Revision$ + + Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. + See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details. + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the above copyright notices for more information. + +=========================================================================*/ +#include "cmGlob.h" + +#include <cmsys/Directory.hxx> +#include <cmsys/RegularExpression.hxx> +#include <cmsys/SystemTools.hxx> + +#include <stdio.h> + +class cmGlobInternal +{ +public: + std::vector<std::string> Files; + std::vector<cmsys::RegularExpression> Expressions; +}; + +cmGlob::cmGlob() +{ + m_Internals = new cmGlobInternal; +} + +cmGlob::~cmGlob() +{ + delete m_Internals; +} + +void cmGlob::Escape(int ch, char* buffer) +{ + if (! ( + 'a' <= ch && ch <= 'z' || + 'A' <= ch && ch <= 'Z' || + '0' <= ch && ch <= '9') ) + { + sprintf(buffer, "\\%c", ch); + } + else + { + sprintf(buffer, "%c", ch); + } +} + +std::vector<std::string>& cmGlob::GetFiles() +{ + return m_Internals->Files; +} + +std::string cmGlob::ConvertExpression(const std::string& expr) +{ + + std::string::size_type i = 0; + std::string::size_type n = expr.size(); + + std::string res = "^"; + std::string stuff = ""; + + while ( i < n ) + { + int c = expr[i]; + i = i+1; + if ( c == '*' ) + { + res = res + ".*"; + } + else if ( c == '?' ) + { + res = res + "."; + } + else if ( c == '[' ) + { + std::string::size_type j = i; + if ( j < n && expr[j] == '!' ) + { + j = j+1; + } + if ( j < n && expr[j] == ']' ) + { + j = j+1; + } + while ( j < n && expr[j] != ']' ) + { + j = j+1; + } + if ( j >= n ) + { + res = res + "\\["; + } + else + { + stuff = ""; + std::string::size_type cc; + for ( cc = i; cc < j; cc ++ ) + { + if ( expr[cc] == '\\' ) + { + stuff += "\\\\"; + } + else + { + stuff += expr[cc]; + } + } + i = j+1; + if ( stuff[0] == '!' ) + { + stuff = '^' + stuff.substr(1); + } + else if ( stuff[0] == '^' ) + { + stuff = '\\' + stuff; + } + res = res + "[" + stuff + "]"; + } + } + else + { + char buffer[100]; + buffer[0] = 0; + this->Escape(c, buffer); + res = res + buffer; + } + } + return res + "$"; +} + +void cmGlob::ProcessDirectory(std::string::size_type start, + const std::string& dir, bool dir_only) +{ + cmsys::Directory d; + if ( !d.Load(dir.c_str()) ) + { + //std::cout << "Cannot open directory: " << dir.c_str() << std::endl; + return; + } + unsigned long cc; + std::string fullname; + bool last = ( start == m_Internals->Expressions.size()-1 ); + //std::cout << "Last: " << last << " Dironly: " << dir_only << std::endl; + for ( cc = 0; cc < d.GetNumberOfFiles(); cc ++ ) + { + if ( strcmp(d.GetFile(cc), ".") == 0 || + strcmp(d.GetFile(cc), "..") == 0 ) + { + continue; + } + if ( start == 0 ) + { + fullname = dir + d.GetFile(cc); + } + else + { + fullname = dir + "/" + d.GetFile(cc); + } + + if ( (!dir_only || !last) && !cmsys::SystemTools::FileIsDirectory(fullname.c_str()) ) + { + //std::cout << " Ignore: " << fullname.c_str() << std::endl; + continue; + } + if ( m_Internals->Expressions[start].find(d.GetFile(cc)) ) + { + //std::cout << " Matches: " << fullname.c_str() << std::endl; + if ( last ) + { + //std::cout << "--- find file: " << fullname.c_str() << "---" << std::endl; + m_Internals->Files.push_back(fullname); + } + else + { + this->ProcessDirectory(start+1, fullname, dir_only); + } + } + else + { + //std::cout << " Not Matches: " << fullname.c_str() << std::endl; + } + } +} + +bool cmGlob::FindFiles(const std::string& inexpr) +{ + std::string cexpr; + std::string::size_type cc; + std::string expr = inexpr; + + m_Internals->Expressions.empty(); + m_Internals->Files.empty(); + + if ( !cmsys::SystemTools::FileIsFullPath(expr.c_str()) ) + { + expr = cmsys::SystemTools::GetCurrentWorkingDirectory(); + expr += "/" + inexpr; + } + std::cout << "Expr: " << expr << std::endl; + for ( cc = 0; cc < expr.size(); cc ++ ) + { + int ch = expr[cc]; + if ( ch == '/' ) + { + if ( cexpr.size() > 0 ) + { + this->AddExpression(cexpr.c_str()); + } + cexpr = ""; + } + else + { + cexpr.append(1, (char)ch); + } + } + if ( cexpr.size() > 0 ) + { + this->AddExpression(cexpr.c_str()); + } + + this->ProcessDirectory(0, "/", true); + return true; +} + +void cmGlob::AddExpression(const char* expr) +{ + m_Internals->Expressions.push_back( + cmsys::RegularExpression( + this->ConvertExpression(expr).c_str())); +} + |