Use stringstream instead of strstream (#431)

* replace strstream with string stream

* all change

Signed-off-by: tomosu <tomosu@users.noreply.github.com>

* small changes

toonz/sources/common/tapptools/tenv.cpp

@@ -24,7 +24,7 @@ TOfflineGL::Imp *MacOfflineGenerator1(const TDimension &dim)
 #endif
 
 #include <map>
-#include <strstream>
+#include <sstream>
 
 using namespace TEnv;
 
@@ -636,21 +636,17 @@ std::istream &operator>>(std::istream &is, TRect &rect)
 template <class T>
 std::string toString2(T value)
 {
-	std::ostrstream ss;
+	std::ostringstream ss;
 	ss << value << '\0';
-	std::string s(ss.str());
-	ss.freeze(false);
-	return s;
+	return ss.str();
 }
 
 template <>
 std::string toString2(TRect value)
 {
-	std::ostrstream ss;
+	std::ostringstream ss;
 	ss << value.x0 << " " << value.y0 << " " << value.x1 << " " << value.y1 << '\0';
-	std::string s = ss.str();
-	ss.freeze(false);
-	return s;
+	return ss.str();
 }
 
 template <class T>
@@ -658,7 +654,7 @@ void fromString(std::string s, T &value)
 {
 	if (s.empty())
 		return;
-	std::istrstream is(s.c_str(), s.size());
+	std::istringstream is(s);
 	is >> value;
 }
 

toonz/sources/common/tcore/tstopwatch.cpp

@@ -2,7 +2,7 @@
 
 #include "tstopwatch.h"
 
-#include <strstream>
+#include <sstream>
 
 #ifdef _WIN32
 #include <stdlib.h>
@@ -353,10 +353,9 @@ TUINT32 TStopWatch::getSystemTime()
 
 TStopWatch::operator string()
 {
-	char buffer[256];
-	ostrstream out(buffer, sizeof(buffer));
+	ostringstream out;
 	out << m_name.c_str() << ": " << (int)getTotalTime() << " u" << (int)getUserTime() << " s" << (TINT32)getSystemTime();
-	return string(buffer, out.pcount());
+	return out.str();
 }
 
 //------------------------------------------------------------

toonz/sources/common/trasterimage/tcachedlevel.cpp

@@ -1,4 +1,4 @@
-
+#include <sstream>
 
 #include "tsystem.h"
 #include "tcachedlevel.h"
@@ -169,9 +169,8 @@ private:
 
 			default:
 				char *sysErr = strerror(errorCode);
-				ostrstream os;
+				ostringstream os;
 				os << errorCode << '\0';
-				os.freeze(false);
 				return string(sysErr) + "(" + os.str() + ")";
 				break;
 			}

toonz/sources/common/tsystem/tfilepath.cpp

@@ -22,7 +22,7 @@ const char wauxslash = '\\';
 #include "tconvert.h"
 #include <cmath>
 #include <cctype>
-#include <strstream>
+#include <sstream>
 
 bool TFilePath::m_underscoreFormatAllowed = true;
 
@@ -49,8 +49,7 @@ std::string TFrameId::expand(FrameFormat format) const
 		return "";
 	else if (m_frame == NO_FRAME)
 		return "-";
-	char buffer[80];
-	std::ostrstream o_buff(buffer, sizeof(buffer));
+	std::ostringstream o_buff;
 	if (format == FOUR_ZEROS || format == UNDERSCORE_FOUR_ZEROS) {
 		o_buff.fill('0');
 		o_buff.width(4);
@@ -61,8 +60,7 @@ std::string TFrameId::expand(FrameFormat format) const
 	}
 	if (m_letter != '\0')
 		o_buff << m_letter;
-	int len = o_buff.pcount();
-	return std::string(buffer, len);
+	return o_buff.str();
 }
 
 //-------------------------------------------------------------------
@@ -183,7 +181,7 @@ void append(string &out, wchar_t c)
   else if(c=='&') out.append("&amp;");
   else
     {
-     ostrstream ss;
+     ostringstream ss;
      ss << "&#" <<  c << ";" << '\0';
      out += ss.str();
      ss.freeze(0);

toonz/sources/common/ttest/ttest.cpp

@@ -14,7 +14,7 @@
 #include "tcolorstyles.h"
 
 #include <set>
-#include <strstream>
+#include <sstream>
 
 #if defined(LINUX)
 #include <typeinfo>
@@ -173,7 +173,7 @@ void TTest::runTests(string name)
 	cout << "Test file : '" << testFile << "'" << endl;
 	char buffer[1024];
 	while (is.getline(buffer, sizeof(buffer))) {
-		std::istrstream ss(buffer);
+		std::istringstream ss(buffer);
 		while (ss) {
 			string s;
 			ss >> s;

toonz/sources/common/tvectorimage/tregionutil.cpp

@@ -2022,12 +2022,11 @@ void printStrokes1(vector<VIStroke *> &v, int size)
 #ifdef _DEBUG
 static void printTime(TStopWatch &sw, string name)
 {
-	ostrstream ss;
+	ostringstream ss;
 	ss << name << " : ";
 	sw.print(ss);
 	ss << '\n' << '\0';
-	string s = ss.str();
-	ss.freeze(false);
+	string s(ss.str());
 	//TSystem::outputDebug(s);
 }
 #endif

toonz/sources/toonzlib/autopos.cpp

@@ -3,7 +3,7 @@
 #include "autopos.h"
 #include "cleanupcommon.h"
 
-#include <strstream>
+#include <sstream>
 
 using namespace CleanupTypes;
 
@@ -711,10 +711,9 @@ static int find_dots_bw(const TRasterP &img, int strip_width, PEGS_SIDE pegs_sid
 		break;
 
 	default: {
-		ostrstream os;
+	        std::ostringstream os;
 		os << "find dots internal error: pegs_side = " << std::hex << pegs_side << '\0';
-		os.freeze(false);
-		throw TCleanupException(os.str());
+		throw TCleanupException(os.str().c_str());
 		x0 = y0 = xsize = ysize = vertical = 0;
 	}
 	}
@@ -844,10 +843,9 @@ static int find_dots_gr8(const TRasterGR8P &img, int strip_width, PEGS_SIDE pegs
 		vertical = TRUE;
 		break;
 	default: {
-		std::ostrstream os;
+		std::ostringstream os;
 		os << "find dots internal error: pegs_side = " << std::hex << pegs_side << '\0';
-		os.freeze(false);
-		throw TCleanupException(os.str());
+		throw TCleanupException(os.str().c_str());
 		x0 = y0 = xsize = ysize = vertical = 0;
 	}
 	}
@@ -973,10 +971,9 @@ static int find_dots_rgb(const TRaster32P &img, int strip_width, PEGS_SIDE pegs_
 		vertical = TRUE;
 		break;
 	default: {
-		std::ostrstream os;
+		std::ostringstream os;
 		os << "find dots internal error: pegs_side = " << std::hex << pegs_side << '\0';
-		os.freeze(false);
-		throw TCleanupException(os.str());
+		throw TCleanupException(os.str().c_str());
 		x0 = y0 = xsize = ysize = vertical = 0;
 		break;
 	}