Make wrapper for boost::lexical_cast

This makes it easier to eventually get rid of boost::lexical_cast.

include/library/string.hpp

@@ -265,6 +265,11 @@ bool regex_match(const std::string& regex, const std::string& str, enum regex_ma
  */
 int string_to_bool(const std::string& cast_to_bool);
 
+template<typename T> T raw_lexical_cast(const std::string& value)
+{
+	return boost::lexical_cast<T>(value);
+}
+
 /**
  * \brief Typeconvert string.
  */
@@ -315,7 +320,7 @@ template<typename T> inline T parse_value(const std::string& value) throw(std::b
 			}
 			return val;
 		}
-		return boost::lexical_cast<T>(value);
+		return raw_lexical_cast<T>(value);
 	} catch(std::exception& e) {
 		throw std::runtime_error("Can't parse value '" + value + "': " + e.what());
 	}

src/platform/libao/sound.cpp

@@ -29,7 +29,6 @@
 #include <map>
 #include <stdexcept>
 #include <ao/ao.h>
-#include <boost/lexical_cast.hpp>
 
 namespace
 {

src/platform/portaudio/sound.cpp

@@ -11,6 +11,7 @@
 #include "core/settings.hpp"
 #include "core/window.hpp"
 #include "library/framebuffer.hpp"
+#include "library/string.hpp"
 
 #include <cstring>
 #include <cstdlib>
@@ -25,7 +26,6 @@
 #include <map>
 #include <stdexcept>
 #include <portaudio.h>
-#include <boost/lexical_cast.hpp>
 
 namespace
 {
@@ -320,7 +320,7 @@ namespace
 			idx = paNoDevice;
 		} else {
 			try {
-				idx = boost::lexical_cast<PaDeviceIndex>(dev);
+				idx = raw_lexical_cast<PaDeviceIndex>(dev);
 				if(idx < 0 || !Pa_GetDeviceInfo(idx))
 					throw std::runtime_error("foo");
 			} catch(std::exception& e) {

src/platform/wxwidgets/main.cpp

@@ -40,7 +40,6 @@
 
 #include <math.h>
 #include <cassert>
-#include <boost/lexical_cast.hpp>
 
 #include <wx/wx.h>
 #include <wx/event.h>

src/platform/wxwidgets/romselect.cpp

@@ -21,7 +21,6 @@
 #include "library/directory.hpp"
 #include "library/string.hpp"
 #include "library/zip.hpp"
-#include <boost/lexical_cast.hpp>
 
 #include "platform/wxwidgets/platform.hpp"
 #include "platform/wxwidgets/loadsave.hpp"
@@ -624,8 +623,8 @@ void wxwin_project::on_filename_change(wxCommandEvent& e)
 {
 	CHECK_UI_THREAD;
 	try {
-		boost::lexical_cast<int64_t>(tostdstring(rtc_sec->GetValue()));
-		if(boost::lexical_cast<int64_t>(tostdstring(rtc_subsec->GetValue())) < 0)
+		raw_lexical_cast<int64_t>(tostdstring(rtc_sec->GetValue()));
+		if(raw_lexical_cast<int64_t>(tostdstring(rtc_subsec->GetValue())) < 0)
 			throw 42;
 		size_t lines = authors->GetNumberOfLines();
 		for(size_t i = 0; i < lines; i++) {
@@ -705,9 +704,9 @@ struct moviefile& wxwin_project::make_movie()
 				*target = zip::readrel(sf, "");
 		}
 	}
-	f.movie_rtc_second = f.dyn.rtc_second = boost::lexical_cast<int64_t>(tostdstring(rtc_sec->GetValue()));
+	f.movie_rtc_second = f.dyn.rtc_second = raw_lexical_cast<int64_t>(tostdstring(rtc_sec->GetValue()));
 	f.movie_rtc_subsecond = f.dyn.rtc_subsecond =
-		boost::lexical_cast<int64_t>(tostdstring(rtc_subsec->GetValue()));
+		raw_lexical_cast<int64_t>(tostdstring(rtc_subsec->GetValue()));
 	if(f.movie_rtc_subsecond < 0)
 		throw std::runtime_error("RTC subsecond must be positive");
 	auto ctrldata = inst.rom->controllerconfig(f.settings);

src/platform/wxwidgets/settings-joysticks.cpp

@@ -88,15 +88,15 @@ namespace
 
 			try {
 				bad_what = "Bad low calibration value";
-				minus = boost::lexical_cast<int64_t>(tostdstring(low->GetValue()));
+				minus = raw_lexical_cast<int64_t>(tostdstring(low->GetValue()));
 				bad_what = "Bad middle calibration value";
-				zero = boost::lexical_cast<int64_t>(tostdstring(mid->GetValue()));
+				zero = raw_lexical_cast<int64_t>(tostdstring(mid->GetValue()));
 				bad_what = "Bad high calibration value";
-				plus = boost::lexical_cast<int32_t>(tostdstring(hi->GetValue()));
+				plus = raw_lexical_cast<int32_t>(tostdstring(hi->GetValue()));
 				bad_what = "Bad neutral zone width";
-				neutral = boost::lexical_cast<int64_t>(tostdstring(null->GetValue()));
+				neutral = raw_lexical_cast<int64_t>(tostdstring(null->GetValue()));
 				bad_what = "Bad threshold (range is 0 - 1)";
-				threshold = boost::lexical_cast<double>(tostdstring(thresh->GetValue()));
+				threshold = raw_lexical_cast<double>(tostdstring(thresh->GetValue()));
 				if(threshold <= 0 || threshold >= 1)
 					throw 42;
 				pressure = _pressure->GetValue();

src/util/lsnes-dumpavi.cpp

@@ -217,7 +217,7 @@ namespace
 				prefix = a.substr(9);
 			else if(a.length() >= 9 && a.substr(0, 9) == "--length=")
 				try {
-					length = boost::lexical_cast<uint64_t>(a.substr(9));
+					length = raw_lexical_cast<uint64_t>(a.substr(9));
 					if(!length)
 						throw std::runtime_error("Length out of range (1-)");
 					if(overdump_mode)
@@ -229,7 +229,7 @@ namespace
 				}
 			else if(a.length() >= 18 && a.substr(0, 18) == "--overdump-length=")
 				try {
-					overdump_length = boost::lexical_cast<uint64_t>(a.substr(18));
+					overdump_length = raw_lexical_cast<uint64_t>(a.substr(18));
 					overdump_mode = true;
 					if(length)
 						throw std::runtime_error("--length and --overdump-length are "