From 7f3e56b9471626a45ae73a3cdfcfc4c91dbf3b9b Mon Sep 17 00:00:00 2001
From: Andy Cedilnik <andy.cedilnik@kitware.com>
Date: Tue, 18 Oct 2005 14:08:55 -0400
Subject: [PATCH] ENH: Push glob to the kwsys
---
CMakeLists.txt | 8 +-
Glob.cxx | 428 +++++++++++++++++++++++++++++++++++++++++++++++++
Glob.hxx.in | 81 ++++++++++
3 files changed, 516 insertions(+), 1 deletion(-)
create mode 100644 Glob.cxx
create mode 100644 Glob.hxx.in
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ffbdb13c..05af8d87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,6 +86,7 @@ IF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
# Enable all components.
SET(KWSYS_USE_Base64 1)
SET(KWSYS_USE_Directory 1)
+ SET(KWSYS_USE_Glob 1)
SET(KWSYS_USE_Process 1)
SET(KWSYS_USE_RegularExpression 1)
SET(KWSYS_USE_Registry 1)
@@ -416,9 +417,14 @@ SET(KWSYS_HXX_FILES Configure hashtable hash_fun hash_map hash_set)
IF(KWSYS_USE_SystemTools)
SET(KWSYS_USE_Directory 1)
ENDIF(KWSYS_USE_SystemTools)
+IF(KWSYS_USE_Glob)
+ SET(KWSYS_USE_Directory 1)
+ SET(KWSYS_USE_SystemTools 1)
+ SET(KWSYS_USE_RegularExpression 1)
+ENDIF(KWSYS_USE_Glob)
# Add selected C++ classes.
-SET(cppclasses Directory RegularExpression SystemTools CommandLineArguments Registry)
+SET(cppclasses Directory Glob RegularExpression SystemTools CommandLineArguments Registry)
FOREACH(c ${cppclasses})
IF(KWSYS_USE_${c})
SET(KWSYS_CLASSES ${KWSYS_CLASSES} ${c})
diff --git a/Glob.cxx b/Glob.cxx
new file mode 100644
index 00000000..32b25e29
--- /dev/null
+++ b/Glob.cxx
@@ -0,0 +1,428 @@
+/*=========================================================================
+
+ Program: KWSys - Kitware System Library
+ Module: Glob.cxx
+
+ Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
+ See Copyright.txt or http://www.kitware.com/Copyright.htm 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 "kwsysPrivate.h"
+#include KWSYS_HEADER(Glob.hxx)
+
+#include KWSYS_HEADER(Configure.hxx)
+
+#include KWSYS_HEADER(RegularExpression.hxx)
+#include KWSYS_HEADER(SystemTools.hxx)
+#include KWSYS_HEADER(Directory.hxx)
+#include KWSYS_HEADER(stl/string)
+#include KWSYS_HEADER(stl/vector)
+
+// Work-around CMake dependency scanning limitation. This must
+// duplicate the above list of headers.
+#if 0
+# include "Glob.hxx.in"
+# include "Configure.hxx.in"
+# include "RegularExpression.hxx.in"
+# include "SystemTools.hxx.in"
+# include "kwsys_stl.hxx.in"
+# include "kwsys_stl_string.hxx.in"
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+
+namespace KWSYS_NAMESPACE
+{
+#if defined( _WIN32 ) || defined( APPLE ) || defined( __CYGWIN__ )
+ // On Windows and apple, no difference between lower and upper case
+ #define CM_GLOB_CASE_INDEPENDENT
+#endif
+
+#if defined( _WIN32 ) || defined( __CYGWIN__ )
+ // Handle network paths
+ #define CM_GLOB_SUPPORT_NETWORK_PATHS
+#endif
+
+//----------------------------------------------------------------------------
+class GlobInternals
+{
+public:
+ std::vector<std::string> Files;
+ std::vector<cmsys::RegularExpression> Expressions;
+ std::vector<std::string> TextExpressions;
+};
+
+//----------------------------------------------------------------------------
+Glob::Glob()
+{
+ m_Internals = new GlobInternals;
+ m_Recurse = false;
+}
+
+//----------------------------------------------------------------------------
+Glob::~Glob()
+{
+ delete m_Internals;
+}
+
+//----------------------------------------------------------------------------
+void Glob::Escape(int ch, char* buffer)
+{
+ if (! (
+ 'a' <= ch && ch <= 'z' ||
+ 'A' <= ch && ch <= 'Z' ||
+ '0' <= ch && ch <= '9') )
+ {
+ sprintf(buffer, "\\%c", ch);
+ }
+ else
+ {
+#if defined( CM_GLOB_CASE_INDEPENDENT )
+ // On Windows and apple, no difference between lower and upper case
+ sprintf(buffer, "%c", tolower(ch));
+#else
+ sprintf(buffer, "%c", ch);
+#endif
+ }
+}
+
+//----------------------------------------------------------------------------
+std::vector<std::string>& Glob::GetFiles()
+{
+ return m_Internals->Files;
+}
+
+//----------------------------------------------------------------------------
+std::string Glob::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] == '!' || 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[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 Glob::RecurseDirectory(std::string::size_type start,
+ const std::string& dir, bool dir_only)
+{
+ cmsys::Directory d;
+ if ( !d.Load(dir.c_str()) )
+ {
+ return;
+ }
+ unsigned long cc;
+ std::string fullname;
+ std::string realname;
+ std::string fname;
+ for ( cc = 0; cc < d.GetNumberOfFiles(); cc ++ )
+ {
+ fname = d.GetFile(cc);
+ if ( strcmp(fname.c_str(), ".") == 0 ||
+ strcmp(fname.c_str(), "..") == 0 )
+ {
+ continue;
+ }
+
+ if ( start == 0 )
+ {
+ realname = dir + fname;
+ }
+ else
+ {
+ realname = dir + "/" + fname;
+ }
+
+#if defined( CM_GLOB_CASE_INDEPENDENT )
+ // On Windows and apple, no difference between lower and upper case
+ fname = cmsys::SystemTools::LowerCase(fname);
+#endif
+
+ if ( start == 0 )
+ {
+ fullname = dir + fname;
+ }
+ else
+ {
+ fullname = dir + "/" + fname;
+ }
+
+ if ( !dir_only || !cmsys::SystemTools::FileIsDirectory(realname.c_str()) )
+ {
+ if ( m_Internals->Expressions[m_Internals->Expressions.size()-1].find(fname.c_str()) )
+ {
+ m_Internals->Files.push_back(realname);
+ }
+ }
+ if ( cmsys::SystemTools::FileIsDirectory(realname.c_str()) )
+ {
+ this->RecurseDirectory(start+1, realname, dir_only);
+ }
+ }
+}
+
+//----------------------------------------------------------------------------
+void Glob::ProcessDirectory(std::string::size_type start,
+ const std::string& dir, bool dir_only)
+{
+ //std::cout << "ProcessDirectory: " << dir << std::endl;
+ bool last = ( start == m_Internals->Expressions.size()-1 );
+ if ( last && m_Recurse )
+ {
+ this->RecurseDirectory(start, dir, dir_only);
+ return;
+ }
+ cmsys::Directory d;
+ if ( !d.Load(dir.c_str()) )
+ {
+ return;
+ }
+ unsigned long cc;
+ std::string fullname;
+ std::string realname;
+ std::string fname;
+ for ( cc = 0; cc < d.GetNumberOfFiles(); cc ++ )
+ {
+ fname = d.GetFile(cc);
+ if ( strcmp(fname.c_str(), ".") == 0 ||
+ strcmp(fname.c_str(), "..") == 0 )
+ {
+ continue;
+ }
+
+ if ( start == 0 )
+ {
+ realname = dir + fname;
+ }
+ else
+ {
+ realname = dir + "/" + fname;
+ }
+
+#if defined( CM_GLOB_CASE_INDEPENDENT )
+ // On Windows and apple, no difference between lower and upper case
+ fname = cmsys::SystemTools::LowerCase(fname);
+#endif
+
+ if ( start == 0 )
+ {
+ fullname = dir + fname;
+ }
+ else
+ {
+ fullname = dir + "/" + fname;
+ }
+
+ //std::cout << "Look at file: " << fname << std::endl;
+ //std::cout << "Match: " << m_Internals->TextExpressions[start].c_str() << std::endl;
+ //std::cout << "Full name: " << fullname << std::endl;
+
+ if ( (!dir_only || !last) && !cmsys::SystemTools::FileIsDirectory(realname.c_str()) )
+ {
+ continue;
+ }
+
+ if ( m_Internals->Expressions[start].find(fname.c_str()) )
+ {
+ if ( last )
+ {
+ m_Internals->Files.push_back(realname);
+ }
+ else
+ {
+ this->ProcessDirectory(start+1, realname + "/", dir_only);
+ }
+ }
+ }
+}
+
+//----------------------------------------------------------------------------
+bool Glob::FindFiles(const std::string& inexpr)
+{
+ std::string cexpr;
+ std::string::size_type cc;
+ std::string expr = inexpr;
+
+ m_Internals->Expressions.clear();
+ m_Internals->Files.clear();
+
+ if ( !cmsys::SystemTools::FileIsFullPath(expr.c_str()) )
+ {
+ expr = cmsys::SystemTools::GetCurrentWorkingDirectory();
+ expr += "/" + inexpr;
+ }
+ std::string fexpr = expr;
+
+ int skip = 0;
+ int last_slash = 0;
+ for ( cc = 0; cc < expr.size(); cc ++ )
+ {
+ if ( cc > 0 && expr[cc] == '/' && expr[cc-1] != '\\' )
+ {
+ last_slash = cc;
+ }
+ if ( cc > 0 &&
+ (expr[cc] == '[' || expr[cc] == '?' || expr[cc] == '*') &&
+ expr[cc-1] != '\\' )
+ {
+ break;
+ }
+ }
+ if ( last_slash > 0 )
+ {
+ //std::cout << "I can skip: " << fexpr.substr(0, last_slash) << std::endl;
+ skip = last_slash;
+ }
+ if ( skip == 0 )
+ {
+#if defined( CM_GLOB_SUPPORT_NETWORK_PATHS )
+ // Handle network paths
+ if ( expr[0] == '/' && expr[1] == '/' )
+ {
+ int cnt = 0;
+ for ( cc = 2; cc < expr.size(); cc ++ )
+ {
+ if ( expr[cc] == '/' )
+ {
+ cnt ++;
+ if ( cnt == 2 )
+ {
+ break;
+ }
+ }
+ }
+ skip = cc + 1;
+ }
+ else
+#endif
+ // Handle drive letters on Windows
+ if ( expr[1] == ':' && expr[0] != '/' )
+ {
+ skip = 2;
+ }
+ }
+
+ if ( skip > 0 )
+ {
+ expr = expr.substr(skip);
+ }
+
+ cexpr = "";
+ 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());
+ }
+
+ // Handle network paths
+ if ( skip > 0 )
+ {
+ this->ProcessDirectory(0, fexpr.substr(0, skip) + "/",
+ true);
+ }
+ else
+ {
+ this->ProcessDirectory(0, "/", true);
+ }
+ return true;
+}
+
+void Glob::AddExpression(const char* expr)
+{
+ m_Internals->Expressions.push_back(
+ cmsys::RegularExpression(
+ this->ConvertExpression(expr).c_str()));
+ m_Internals->TextExpressions.push_back(this->ConvertExpression(expr));
+}
+
+} // namespace KWSYS_NAMESPACE
+
diff --git a/Glob.hxx.in b/Glob.hxx.in
new file mode 100644
index 00000000..0ca402e2
--- /dev/null
+++ b/Glob.hxx.in
@@ -0,0 +1,81 @@
+/*=========================================================================
+
+ Program: KWSys - Kitware System Library
+ Module: Glob.hxx.in
+
+ Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
+ See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
+
+=========================================================================*/
+#ifndef @KWSYS_NAMESPACE@_Glob_hxx
+#define @KWSYS_NAMESPACE@_Glob_hxx
+
+#include <@KWSYS_NAMESPACE@/stl/string>
+#include <@KWSYS_NAMESPACE@/stl/vector>
+
+#include <@KWSYS_NAMESPACE@/Configure.h>
+
+namespace @KWSYS_NAMESPACE@
+{
+
+class GlobInternals;
+
+/** \class Glob
+ * \brief Portable globbing searches.
+ *
+ * Globbing expressions are much simpler than regular
+ * expressions. This class will search for files using
+ * globbing expressions.
+ *
+ * Finds all files that match a given globbing expression.
+ */
+class @KWSYS_NAMESPACE@_EXPORT Glob
+{
+public:
+ Glob();
+ ~Glob();
+
+ //! Find all files that match the pattern.
+ bool FindFiles(const std::string& inexpr);
+
+ //! Return the list of files that matched.
+ std::vector<std::string>& GetFiles();
+
+ //! Set recurse to true to match subdirectories.
+ void RecurseOn() { this->SetRecurse(true); }
+ void RecurseOff() { this->SetRecurse(false); }
+ void SetRecurse(bool i) { m_Recurse = i; }
+ bool GetRecurse() { return m_Recurse; }
+
+protected:
+ //! Process directory
+ void ProcessDirectory(std::string::size_type start,
+ const std::string& dir, bool dir_only);
+
+ //! Process last directory, but only when recurse flags is on. That is
+ // effectively like saying: /path/to/file/**/file
+ void RecurseDirectory(std::string::size_type start,
+ const std::string& dir, bool dir_only);
+
+ //! Escape all non-alphanumeric characters in pattern.
+ void Escape(int ch, char* buffer);
+
+ //!
+ // Translate a shell PATTERN to a regular expression.
+ // There is no way to quote meta-characters.
+ std::string ConvertExpression(const std::string& expr);
+
+ //! Add regular expression
+ void AddExpression(const char* expr);
+
+ GlobInternals* m_Internals;
+ bool m_Recurse;
+};
+
+} // namespace @KWSYS_NAMESPACE@
+
+#endif
--
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