ENH: Renamed cmStringStream to cmOStringStream and added cmIStringStream. Removed cmInputStringStream.

Source/cmCMakeMinimumRequired.cxx

@@ -35,7 +35,7 @@ bool cmCMakeMinimumRequired::InitialPass(std::vector<std::string> const& args)
   sscanf(args[1].c_str(), "%f", &reqVersion);
   if(reqVersion > version)
     {
-    cmStringStream str;
+    cmOStringStream str;
     str << "WARNING: This project requires version: " << args[1].c_str() << " of cmake.\n"
         << "You are running version: " << version;
     cmSystemTools::Message(str.str().c_str());

Source/cmLocalBorlandMakefileGenerator.cxx

@@ -221,7 +221,7 @@ void cmLocalBorlandMakefileGenerator::OutputSharedLibraryRule(std::ostream& fout
   command += "-e";
   command += target;
   command += " ";
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, name, t);
   // then the linker options -L and libraries (any other order will fail!)
   command += linklibs.str();
@@ -321,7 +321,7 @@ void cmLocalBorlandMakefileGenerator::OutputExecutableRule(std::ostream& fout,
     {
     command += " -tWC ";
     }
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, 0, t);
   command += linklibs.str();
   command += " $(" +  this->CreateMakeVariable(name, "_SRC_OBJS") + ")";

Source/cmLocalNMakeMakefileGenerator.cxx

@@ -407,7 +407,7 @@ void cmLocalNMakeMakefileGenerator::OutputSharedLibraryRule(std::ostream& fout,
 
   command += " $(" + this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
 
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, name, t);
   command += linklibs.str();
 
@@ -528,7 +528,7 @@ void cmLocalNMakeMakefileGenerator::OutputExecutableRule(std::ostream& fout,
     command +=  " /subsystem:windows ";
     }
   
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, 0, t);
   command += linklibs.str();
 

Source/cmLocalUnixMakefileGenerator.cxx

@@ -652,7 +652,7 @@ void cmLocalUnixMakefileGenerator::OutputSharedLibraryRule(std::ostream& fout,
   libName = cmSystemTools::ConvertToOutputPath(libName.c_str());
   command2 += libName + " \\\n";
   command2 += "\t  $(" + this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, name, t);
   command2 += linklibs.str();
   std::string customCommands = this->CreateTargetRules(t, name);
@@ -694,7 +694,7 @@ void cmLocalUnixMakefileGenerator::OutputModuleLibraryRule(std::ostream& fout,
   libName = cmSystemTools::ConvertToOutputPath(libName.c_str());
   command2 += libName + " \\\n";
   command2 += "\t  $(" + this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, std::string(name).c_str(), t);
   command2 += linklibs.str();
   std::string customCommands = this->CreateTargetRules(t, name);
@@ -771,7 +771,7 @@ void cmLocalUnixMakefileGenerator::OutputExecutableRule(std::ostream& fout,
       "$(CMAKE_C_COMPILER) $(CMAKE_C_SHLIB_LINK_FLAGS) $(CMAKE_C_FLAGS) ";
     }
   command += "$(" + this->CreateMakeVariable(name, "_SRC_OBJS") + ") ";
-  cmStringStream linklibs;
+  cmOStringStream linklibs;
   this->OutputLinkLibraries(linklibs, 0, t);
   command += linklibs.str();
   std::string outputFile = m_ExecutableOutputPath + name;

Source/cmStandardIncludes.h

@@ -162,65 +162,76 @@ struct cmStdString : public std::string
     StdString(s, pos, n) {}
 };
 
-// Define cmStringStream wrapper to hide differences between
-// std::stringstream and the old strstream.
+// Define cmOStringStream and cmIStringStream wrappers to hide
+// differences between std::stringstream and the old strstream.
 #if !defined(CMAKE_NO_ANSI_STRING_STREAM)
-class cmStringStream: public std::ostringstream
+class cmOStringStream: public std::ostringstream
 {
 public:
-  cmStringStream() {}
+  cmOStringStream() {}
 private:
-  cmStringStream(const cmStringStream&);
-  void operator=(const cmStringStream&);
+  cmOStringStream(const cmOStringStream&);
+  void operator=(const cmOStringStream&);
 };
-class cmInputStringStream: public std::istringstream
+class cmIStringStream: public std::istringstream
 {
 public:
   typedef std::istringstream Superclass;
-  cmInputStringStream() {}
-  cmInputStringStream(const char* c) : Superclass(c) {}
+  cmIStringStream() {}
+  cmIStringStream(const std::string& s): Superclass(s) {}
 private:
-  cmInputStringStream(const cmInputStringStream&);
-  void operator=(const cmInputStringStream&);
+  cmIStringStream(const cmIStringStream&);
+  void operator=(const cmIStringStream&);
 };
 #else
-class cmStrStreamCleanup
+class cmOStrStreamCleanup
 {
 public:
-  cmStrStreamCleanup(std::ostrstream& ostr): m_StrStream(ostr) {}
-  ~cmStrStreamCleanup() { m_StrStream.rdbuf()->freeze(0); }
-  static void IgnoreUnusedVariable(const cmStrStreamCleanup&) {}
+  cmOStrStreamCleanup(std::ostrstream& ostr): m_OStrStream(ostr) {}
+  ~cmOStrStreamCleanup() { m_OStrStream.rdbuf()->freeze(0); }
+  static void IgnoreUnusedVariable(const cmOStrStreamCleanup&) {}
 protected:
-  std::ostrstream& m_StrStream;
+  std::ostrstream& m_OStrStream;
 };
 
-class cmStringStream: public std::ostrstream
+class cmOStringStream: public std::ostrstream
 {
 public:
   typedef std::ostrstream Superclass;
-  cmStringStream() {}
+  cmOStringStream() {}
   std::string str()
     {
-      cmStrStreamCleanup cleanup(*this);
-      cmStrStreamCleanup::IgnoreUnusedVariable(cleanup);
+    cmOStrStreamCleanup cleanup(*this);
+    cmOStrStreamCleanup::IgnoreUnusedVariable(cleanup);
     int pcount = this->pcount();
     const char* ptr = this->Superclass::str();
     return std::string(ptr?ptr:"", pcount);
     }
 private:
-  cmStringStream(const cmStringStream&);
-  void operator=(const cmStringStream&);
+  cmOStringStream(const cmOStringStream&);
+  void operator=(const cmOStringStream&);
 };
-class cmInputStringStream: public std::istrstream
+
+class cmIStringStream: private std::string, public std::istrstream
 {
 public:
-  typedef std::istrstream Superclass;
-  cmInputStringStream(const char* c) : Superclass(c) {}
+  typedef std::string StdString;
+  typedef std::istrstream IStrStream;
+  cmIStringStream(): StdString(), IStrStream(this->StdString::c_str()) {}
+  cmIStringStream(const std::string& s):
+    StdString(s), IStrStream(this->StdString::c_str()) {}
+  std::string str() const { return *this; }
+  void str(const std::string& s)
+    {
+    // Very dangerous.  If this throws, the object is hosed.  When the
+    // destructor is later called, the program is hosed too.
+    this->~cmIStringStream();
+    new (this) cmIStringStream(s);
+    }
 private:
-  cmInputStringStream(const cmInputStringStream&);
-  void operator=(const cmInputStringStream&);
+  cmIStringStream(const cmIStringStream&);
+  void operator=(const cmIStringStream&);
 };
 #endif
 
-
 #endif

Source/cmSystemTools.cxx

@@ -1083,7 +1083,7 @@ bool cmSystemTools::FilesDiffer(const char* source,
   if(statSource.st_size != static_cast<long>(finSource.gcount()) ||
      statSource.st_size != static_cast<long>(finDestination.gcount()))
     {
-    cmStringStream msg;
+    cmOStringStream msg;
     msg << "FilesDiffer failed to read files (allocated: " 
         << statSource.st_size << ", read source: " <<  finSource.gcount() 
         << ", read dest: " << finDestination.gcount();
@@ -1190,7 +1190,7 @@ void cmSystemTools::cmCopyFile(const char* source,
 
   if (statSource.st_size != statDestination.st_size)
     {
-    cmStringStream msg;
+    cmOStringStream msg;
     msg << "CopyFile failed to copy files (sizes differ, source: " 
         << statSource.st_size << " , dest: " << statDestination.st_size;
     cmSystemTools::Error(msg.str().c_str());
@@ -1426,7 +1426,7 @@ bool RunCommandViaPopen(const char* command,
   if (WIFSIGNALED(retVal))
     {
     retVal = WTERMSIG(retVal);
-    cmStringStream error;
+    cmOStringStream error;
     error << "\nProcess terminated due to ";
     switch (retVal)
       {

Source/cmVTKMakeInstantiatorCommand.cxx

@@ -326,7 +326,7 @@ cmVTKMakeInstantiatorCommand
 std::string
 cmVTKMakeInstantiatorCommand::OldGenerateCreationFileName(unsigned int block)
 {
-  cmStringStream nameStr;
+  cmOStringStream nameStr;
   nameStr << m_ClassName.c_str() << block << ".cxx";
   std::string result = nameStr.str();
   return result;

Source/cmake.cxx

@@ -95,7 +95,7 @@ void cmake::AddCommand(cmCommand* wg)
 
 void cmake::Usage(const char* program)
 {
-  cmStringStream errorStream;
+  cmOStringStream errorStream;
 
   errorStream << "cmake version " << cmMakefile::GetMajorVersion()
             << "." << cmMakefile::GetMinorVersion() << "\n";
@@ -332,7 +332,7 @@ int cmake::AddCMakePaths(const char *arg0)
   if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
     {
     failures.push_back(cMakeSelf);
-    cmStringStream msg;
+    cmOStringStream msg;
     msg << "CMAKE can not find the command line program cmake.\n";
     msg << "  argv[0] = \"" << arg0 << "\"\n";
     msg << "  Attempted paths:\n";
@@ -444,7 +444,7 @@ int cmake::AddCMakePaths(const char *arg0)
 
 void CMakeCommandUsage(const char* program)
 {
-  cmStringStream errorStream;
+  cmOStringStream errorStream;
 
   errorStream 
     << "cmake version " << cmMakefile::GetMajorVersion()

Source/ctest.cxx

@@ -475,7 +475,7 @@ int ctest::BuildDirectory()
   // 1 - error
   // > 1 - warning
   std::vector<int>         markedLines;
-  cmInputStringStream istr(coutput);
+  cmIStringStream istr(coutput);
   while(istr)
     {
     char buffer[1024];