xml transfusion

7 files changed, 1046 insertions, 8 deletions

diff --git a/rotord/01.xml b/rotord/01.xml
new file mode 100644
index 0000000..dec3a05
--- /dev/null
+++ b/rotord/01.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<patchbay ID="0f7aa258-7c2f-11e2-abbd-133252267708">Off and on template ©Rotor 2013
+	<node ID="01" type="audioLoader">music track to analyse
+		<output ID="01" type="graph">beat (sawtooth)</output>
+		<output ID="03" type="graph">excitement</output>
+	</node>
+	<node ID="02" type="imageLoader" thumbnail="performance1.jpg">performance take 1
+		<output ID="01" type="image"/>
+	</node>
+	<node ID="03" type="imageLoader" thumbnail="performance1.jpg">performance take 2
+		<output ID="01" type="image"/>
+	</node>
+	<node ID="04" type="==">1
+		<input ID="01" from="01.01" type="graph"/>
+		<output ID="02" type="graph"/>
+	</node>
+	<node ID="05" type="toggle switch" >
+		<input ID="01" from="02.01" type="image"/>
+		<input ID="02" from="03.01" type="image"/>
+		<input ID="03" from="04.02" type="signal"/>
+		<output ID="04" type="image"/>
+	</node>
+	<node ID="06" type="frequency/offset" frequency="0.25" offset="1">
+		<input ID="01" from="01.01" type="graph"/>
+		<output ID="02" type="graph"/>
+	</node>
+	<node ID="07" type="*">2
+		<input ID="01" from="06.02" type="graph"/>
+		<output ID="02" type="graph"/>
+	</node>
+	<node ID="08" type="==">1
+		<input ID="01" from="06.02" type="graph"/>
+		<output ID="02" type="graph"/>
+	</node>
+	<node ID="09" type="videoBank" mode="pingpong">
+		<clip ID="01" file="sample.mov"/>
+		<input ID="01" from="08.02" type="graph"/>cycle switch
+		<output ID="02" type="image"/>
+	</node>	
+	<node ID="10" type="shape" mode="triangle">
+		<input ID="01" from="07.02" type="graph"/>scale
+		<output ID="02" type="image"/>
+	</node>	
+	<node ID="11" type="channel merge" >
+		<input from="02.01" type="scale"/>
+		<output ID="09" type="image"/>
+	</node>
+</patchbay>
diff --git a/rotord/ofUtils.cpp b/rotord/ofUtils.cpp
new file mode 100755
index 0000000..7d7d9cc
--- /dev/null
+++ b/rotord/ofUtils.cpp
@@ -0,0 +1,745 @@
+#include "ofUtils.h"
+//#include "ofImage.h"
+//#include "ofTypes.h"
+//#include "ofGraphics.h"
+//#include "ofAppRunner.h"
+
+#include "Poco/String.h"
+#include "Poco/LocalDateTime.h"
+#include "Poco/DateTimeFormatter.h"
+
+#include <cctype> // for toupper
+
+
+
+/*
+#ifdef TARGET_WIN32
+    #ifndef _MSC_VER
+        #include <unistd.h> // this if for MINGW / _getcwd
+	#include <sys/param.h> // for MAXPATHLEN
+    #endif
+#endif
+
+
+#if defined(TARGET_OF_IPHONE) || defined(TARGET_OSX ) || defined(TARGET_LINUX)
+	#include <sys/time.h>
+#endif
+
+#ifdef TARGET_OSX
+	#ifndef TARGET_OF_IPHONE
+		#include <mach-o/dyld.h>
+		#include <sys/param.h> // for MAXPATHLEN
+	#endif
+#endif
+
+#ifdef TARGET_WIN32
+    #include <mmsystem.h>
+	#ifdef _MSC_VER
+		#include <direct.h>
+	#endif
+
+#endif
+*/
+
+#ifndef MAXPATHLEN
+	#define MAXPATHLEN 1024
+#endif
+
+
+static bool enableDataPath = true;
+//static unsigned long startTime = ofGetSystemTime();   //  better at the first frame ?? (currently, there is some delay from static init, to running.
+//static unsigned long startTimeMicros = ofGetSystemTimeMicros();
+
+/*
+//--------------------------------------
+unsigned long ofGetElapsedTimeMillis(){
+	return ofGetSystemTime() - startTime;
+}
+
+//--------------------------------------
+unsigned long ofGetElapsedTimeMicros(){
+	return ofGetSystemTimeMicros() - startTimeMicros;
+}
+
+//--------------------------------------
+float ofGetElapsedTimef(){
+	return ofGetElapsedTimeMicros() / 1000000.0f;
+}
+
+//--------------------------------------
+void ofResetElapsedTimeCounter(){
+	startTime = ofGetSystemTime();
+	startTimeMicros = ofGetSystemTimeMicros();
+}
+*/
+//=======================================
+// this is from freeglut, and used internally:
+/* Platform-dependent time in milliseconds, as an unsigned 32-bit integer.
+ * This value wraps every 49.7 days, but integer overflows cancel
+ * when subtracting an initial start time, unless the total time exceeds
+ * 32-bit, where the GLUT API return value is also overflowed.
+ */
+/*
+unsigned long ofGetSystemTime( ) {
+	#ifndef TARGET_WIN32
+		struct timeval now;
+		gettimeofday( &now, NULL );
+		return now.tv_usec/1000 + now.tv_sec*1000;
+	#else
+		#if defined(_WIN32_WCE)
+			return GetTickCount();
+		#else
+			return timeGetTime();
+		#endif
+	#endif
+}
+*/
+
+/*
+unsigned long ofGetSystemTimeMicros( ) {
+	#ifndef TARGET_WIN32
+		struct timeval now;
+		gettimeofday( &now, NULL );
+		return now.tv_usec + now.tv_sec*1000000;
+	#else
+		#if defined(_WIN32_WCE)
+			return GetTickCount()*1000;
+		#else
+			return timeGetTime()*1000;
+		#endif
+	#endif
+}
+*/
+//--------------------------------------------------
+unsigned int ofGetUnixTime(){
+	return (unsigned int)time(NULL);
+}
+
+//default ofGetTimestampString returns in this format: 2011-01-15-18-29-35-299
+//--------------------------------------------------
+string ofGetTimestampString(){
+	string timeFormat = "%Y-%m-%d-%H-%M-%S-%i";
+	Poco::LocalDateTime now;
+	return Poco::DateTimeFormatter::format(now, timeFormat);
+}
+
+//specify the string format - eg: %Y-%m-%d-%H-%M-%S-%i ( 2011-01-15-18-29-35-299 )
+//--------------------------------------------------
+string ofGetTimestampString(string timestampFormat){
+	Poco::LocalDateTime now;
+	return Poco::DateTimeFormatter::format(now, timestampFormat);
+}
+
+//--------------------------------------------------
+int ofGetSeconds(){
+	time_t 	curr;
+	tm 		local;
+	time(&curr);
+	local	=*(localtime(&curr));
+	return local.tm_sec;
+}
+
+//--------------------------------------------------
+int ofGetMinutes(){
+	time_t 	curr;
+	tm 		local;
+	time(&curr);
+	local	=*(localtime(&curr));
+	return local.tm_min;
+}
+
+//--------------------------------------------------
+int ofGetHours(){
+	time_t 	curr;
+	tm 		local;
+	time(&curr);
+	local	=*(localtime(&curr));
+	return local.tm_hour;
+}
+
+//--------------------------------------------------
+int ofGetYear(){
+  time_t    curr;
+  tm       local;
+  time(&curr);
+  local   =*(localtime(&curr));
+  int year = local.tm_year + 1900;
+  return year;
+}
+
+//--------------------------------------------------
+int ofGetMonth(){
+  time_t    curr;
+  tm       local;
+  time(&curr);
+  local   =*(localtime(&curr));
+  int month = local.tm_mon + 1;
+  return month;
+}
+
+//--------------------------------------------------
+int ofGetDay(){
+  time_t    curr;
+  tm       local;
+  time(&curr);
+  local   =*(localtime(&curr));
+  return local.tm_mday;
+}
+
+//--------------------------------------------------
+int ofGetWeekday(){
+  time_t    curr;
+  tm       local;
+  time(&curr);
+  local   =*(localtime(&curr));
+  return local.tm_wday;
+}
+
+//--------------------------------------------------
+void ofEnableDataPath(){
+	enableDataPath = true;
+}
+
+//--------------------------------------------------
+void ofDisableDataPath(){
+	enableDataPath = false;
+}
+
+//--------------------------------------------------
+//use ofSetDataPathRoot() to override this
+static string & dataPathRoot(){
+#if defined TARGET_OSX
+	static string * dataPathRoot = new string("../../../data/");
+#elif defined TARGET_ANDROID
+	static string * dataPathRoot = new string("sdcard/");
+#elif defined(TARGET_LINUX)
+	static string * dataPathRoot = new string(ofFilePath::join(ofFilePath::getCurrentExeDir(),  "data/"));
+#else
+	static string * dataPathRoot = new string("data/");
+#endif
+	return *dataPathRoot;
+}
+
+static bool & isDataPathSet(){
+	static bool * dataPathSet = new bool(false);
+	return * dataPathSet;
+}
+
+//--------------------------------------------------
+void ofSetDataPathRoot(string newRoot){
+	string newPath = "";
+
+	#ifdef TARGET_OSX
+		#ifndef TARGET_OF_IPHONE
+			char path[MAXPATHLEN];
+			uint32_t size = sizeof(path);
+
+			if (_NSGetExecutablePath(path, &size) == 0){
+				//printf("executable path is %s\n", path);
+				string pathStr = string(path);
+
+				//theo: check this with having '/' as a character in a folder name - OSX treats the '/' as a ':'
+				//checked with spaces too!
+
+				vector < string> pathBrokenUp = ofSplitString( pathStr, "/");
+
+				newPath = "";
+
+				for(int i = 0; i < pathBrokenUp.size()-1; i++){
+					newPath += pathBrokenUp[i];
+					newPath += "/";
+				}
+
+				//cout << newPath << endl;   // some sanity checks here
+				//system( "pwd" );
+
+				chdir ( newPath.c_str() );
+				//system("pwd");
+			}else{
+				ofLog(OF_LOG_FATAL_ERROR, "buffer too small; need size %u\n", size);
+			}
+		#endif
+	#endif
+	
+	dataPathRoot() = newRoot;
+	isDataPathSet() = true;
+}
+
+//--------------------------------------------------
+string ofToDataPath(string path, bool makeAbsolute){
+	
+	if (!isDataPathSet())
+		ofSetDataPathRoot(dataPathRoot());
+	
+	if( enableDataPath ){
+
+		//check if absolute path has been passed or if data path has already been applied
+		//do we want to check for C: D: etc ?? like  substr(1, 2) == ':' ??
+		if( path.length()==0 || (path.substr(0,1) != "/" &&  path.substr(1,1) != ":" &&  path.substr(0,dataPathRoot().length()) != dataPathRoot())){
+			path = dataPathRoot()+path;
+		}
+
+		if(makeAbsolute && (path.length()==0 || path.substr(0,1) != "/")){
+			/*
+			#if !defined( TARGET_OF_IPHONE) & !defined(TARGET_ANDROID)
+
+			#ifndef TARGET_WIN32
+				char currDir[1024];
+				path = "/"+path;
+                path = getcwd(currDir, 1024)+path;
+
+			#else
+
+				char currDir[1024];
+				path = "\\"+path;
+				path = _getcwd(currDir, 1024)+path;
+				std::replace( path.begin(), path.end(), '/', '\\' ); // fix any unixy paths...
+
+
+			#endif
+
+
+			#else
+				//do we need iphone specific code here?
+			#endif
+			*/
+		}
+
+	}
+	return path;
+}
+
+//----------------------------------------
+template <>
+string ofToHex(const string& value) {
+	ostringstream out;
+	// how many bytes are in the string
+	int numBytes = value.size();
+	for(int i = 0; i < numBytes; i++) {
+		// print each byte as a 2-character wide hex value
+		out << setfill('0') << setw(2) << hex << (unsigned int) ((unsigned char)value[i]);
+	}
+	return out.str();
+}
+
+//----------------------------------------
+string ofToHex(const char* value) {
+	// this function is necessary if you want to print a string
+	// using a syntax like ofToHex("test")
+	return ofToHex((string) value);
+}
+
+//----------------------------------------
+int ofToInt(const string& intString) {
+	int x = 0;
+	istringstream cur(intString);
+	cur >> x;
+	return x;
+}
+
+//----------------------------------------
+int ofHexToInt(const string& intHexString) {
+	int x = 0;
+	istringstream cur(intHexString);
+	cur >> hex >> x;
+	return x;
+}
+
+//----------------------------------------
+char ofHexToChar(const string& charHexString) {
+	int x = 0;
+	istringstream cur(charHexString);
+	cur >> hex >> x;
+	return (char) x;
+}
+
+//----------------------------------------
+float ofHexToFloat(const string& floatHexString) {
+	union intFloatUnion {
+		int x;
+		float f;
+	} myUnion;
+	myUnion.x = 0;
+	istringstream cur(floatHexString);
+	cur >> hex >> myUnion.x;
+	return myUnion.f;
+}
+
+//----------------------------------------
+string ofHexToString(const string& stringHexString) {
+	stringstream out;
+	stringstream stream(stringHexString);
+	// a hex string has two characters per byte
+	int numBytes = stringHexString.size() / 2;
+	for(int i = 0; i < numBytes; i++) {
+		string curByte;
+		// grab two characters from the hex string
+		stream >> setw(2) >> curByte;
+		// prepare to parse the two characters
+		stringstream curByteStream(curByte);
+		int cur = 0;
+		// parse the two characters as a hex-encoded int
+		curByteStream >> hex >> cur;
+		// add the int as a char to our output stream
+		out << (char) cur;
+	}
+	return out.str();
+}
+
+//----------------------------------------
+float ofToFloat(const string& floatString) {
+	float x = 0;
+	istringstream cur(floatString);
+	cur >> x;
+	return x;
+}
+
+//----------------------------------------
+bool ofToBool(const string& boolString) {
+	static const string trueString = "true";
+	static const string falseString = "false";
+	string lower = Poco::toLower(boolString);
+	if(lower == trueString) {
+		return true;
+	}
+	if(lower == falseString) {
+		return false;
+	}
+	bool x = false;
+	istringstream cur(lower);
+	cur >> x;
+	return x;
+}
+
+//----------------------------------------
+char ofToChar(const string& charString) {
+	char x = '\0';
+	istringstream cur(charString);
+	cur >> x;
+	return x;
+}
+
+//----------------------------------------
+template <> string ofToBinary(const string& value) {
+	stringstream out;
+	int numBytes = value.size();
+	for(int i = 0; i < numBytes; i++) {
+		bitset<8> bitBuffer(value[i]);
+		out << bitBuffer;
+	}
+	return out.str();
+}
+
+//----------------------------------------
+string ofToBinary(const char* value) {
+	// this function is necessary if you want to print a string
+	// using a syntax like ofToBinary("test")
+	return ofToBinary((string) value);
+}
+
+//----------------------------------------
+int ofBinaryToInt(const string& value) {
+	const int intSize = sizeof(int) * 8;
+	bitset<intSize> binaryString(value);
+	return (int) binaryString.to_ulong();
+}
+
+//----------------------------------------
+char ofBinaryToChar(const string& value) {
+	const int charSize = sizeof(char) * 8;
+	bitset<charSize> binaryString(value);
+	return (char) binaryString.to_ulong();
+}
+
+//----------------------------------------
+float ofBinaryToFloat(const string& value) {
+	const int floatSize = sizeof(float) * 8;
+	bitset<floatSize> binaryString(value);
+	union ulongFloatUnion {
+			unsigned long result;
+			float f;
+	} myUFUnion;
+	myUFUnion.result = binaryString.to_ulong();
+	return myUFUnion.f;
+}
+//----------------------------------------
+string ofBinaryToString(const string& value) {
+	ostringstream out;
+	stringstream stream(value);
+	bitset<8> byteString;
+	int numBytes = value.size() / 8;
+	for(int i = 0; i < numBytes; i++) {
+		stream >> byteString;
+		out << (char) byteString.to_ulong();
+	}
+	return out.str();
+}
+
+//--------------------------------------------------
+vector <string> ofSplitString(const string & source, const string & delimiter, bool ignoreEmpty, bool trim) {
+	vector<string> result;
+	if (delimiter.empty()) {
+		result.push_back(source);
+		return result;
+	}
+	string::const_iterator substart = source.begin(), subend;
+	while (true) {
+		subend = search(substart, source.end(), delimiter.begin(), delimiter.end());
+		string sub(substart, subend);
+		if(trim) {
+			Poco::trimInPlace(sub);
+		}
+		if (!ignoreEmpty || !sub.empty()) {
+			result.push_back(sub);
+		}
+		if (subend == source.end()) {
+			break;
+		}
+		substart = subend + delimiter.size();
+	}
+	return result;
+}
+
+//--------------------------------------------------
+string ofJoinString(vector <string> stringElements, const string & delimiter){
+	string resultString = "";
+	int numElements = stringElements.size();
+
+	for(int k = 0; k < numElements; k++){
+		if( k < numElements-1 ){
+			resultString += stringElements[k] + delimiter;
+		} else {
+			resultString += stringElements[k];
+		}
+	}
+
+	return resultString;
+}
+
+//--------------------------------------------------
+void ofStringReplace(string& input, string searchStr, string replaceStr){
+	size_t uPos = 0; 
+	size_t uFindLen = searchStr.length(); 
+	size_t uReplaceLen = replaceStr.length();
+		
+	if( uFindLen == 0 ){
+		return;
+	}
+
+	for( ;(uPos = input.find( searchStr, uPos )) != std::string::npos; ){
+		input.replace( uPos, uFindLen, replaceStr );
+		uPos += uReplaceLen;
+	}	
+}
+
+//--------------------------------------------------
+bool ofIsStringInString(string haystack, string needle){
+	return ( strstr(haystack.c_str(), needle.c_str() ) != NULL );
+}
+
+//--------------------------------------------------
+string ofToLower(const string & src){
+	string dst(src);
+	transform(src.begin(),src.end(),dst.begin(),::tolower);
+	return dst;
+}
+
+//--------------------------------------------------
+string ofToUpper(const string & src){
+	string dst(src);
+	transform(src.begin(),src.end(),dst.begin(),::toupper);
+	return dst;
+}
+
+//--------------------------------------------------
+string ofVAArgsToString(const char * format, ...){
+	// variadic args to string:
+	// http://www.codeproject.com/KB/string/string_format.aspx
+	static char aux_buffer[10000];
+	string retStr("");
+	if (NULL != format){
+
+		va_list marker;
+
+		// initialize variable arguments
+		va_start(marker, format);
+
+		// Get formatted string length adding one for NULL
+		size_t len = vsprintf(aux_buffer, format, marker) + 1;
+
+		// Reset variable arguments
+		va_end(marker);
+
+		if (len > 0)
+		{
+			va_list args;
+
+			// initialize variable arguments
+			va_start(args, format);
+
+			// Create a char vector to hold the formatted string.
+			vector<char> buffer(len, '\0');
+			vsprintf(&buffer[0], format, args);
+			retStr = &buffer[0];
+			va_end(args);
+		}
+
+	}
+	return retStr;
+}
+
+string ofVAArgsToString(const char * format, va_list args){
+	// variadic args to string:
+	// http://www.codeproject.com/KB/string/string_format.aspx
+	char aux_buffer[10000];
+	string retStr("");
+	if (NULL != format){
+
+		// Get formatted string length adding one for NULL
+		vsprintf(aux_buffer, format, args);
+		retStr = aux_buffer;
+
+	}
+	return retStr;
+}
+
+/*
+//--------------------------------------------------
+void ofLaunchBrowser(string url){
+
+	// http://support.microsoft.com/kb/224816
+    
+	//make sure it is a properly formatted url
+	if(Poco::icompare(url.substr(0,7), "http://") != 0 &&
+       Poco::icompare(url.substr(0,8), "https://") != 0) {
+		ofLog(OF_LOG_WARNING, "ofLaunchBrowser: url must begin http:// or https://");
+		return;
+	}
+
+	//----------------------------
+	#ifdef TARGET_WIN32
+	//----------------------------
+
+		#if (_MSC_VER)
+		// microsoft visual studio yaks about strings, wide chars, unicode, etc
+		ShellExecuteA(NULL, "open", url.c_str(),
+                NULL, NULL, SW_SHOWNORMAL);
+		#else
+		ShellExecute(NULL, "open", url.c_str(),
+                NULL, NULL, SW_SHOWNORMAL);
+		#endif
+
+	//----------------------------
+	#endif
+	//----------------------------
+
+	//--------------------------------------
+	#ifdef TARGET_OSX
+	//--------------------------------------
+		// ok gotta be a better way then this,
+		// this is what I found...
+		string commandStr = "open "+url;
+		system(commandStr.c_str());
+	//----------------------------
+	#endif
+	//----------------------------
+
+	//--------------------------------------
+	#ifdef TARGET_LINUX
+	//--------------------------------------
+		string commandStr = "xdg-open "+url;
+		int ret = system(commandStr.c_str());
+		if(ret!=0) ofLog(OF_LOG_ERROR,"ofLaunchBrowser: couldn't open browser");
+	//----------------------------
+	#endif
+	//----------------------------
+}
+
+//--------------------------------------------------
+string ofGetVersionInfo(){
+	string version;
+	stringstream sstr;
+	sstr << "of version: " << OF_VERSION << endl;
+	return sstr.str();
+}
+*/
+//---- new to 006
+//from the forums http://www.openframeworks.cc/forum/viewtopic.php?t=1413
+/*
+//--------------------------------------------------
+void ofSaveScreen(string filename) {
+   ofImage screen;
+   screen.allocate(ofGetWidth(), ofGetHeight(), OF_IMAGE_COLOR);
+   screen.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
+   screen.saveImage(filename);
+}
+
+//--------------------------------------------------
+void ofSaveViewport(string filename) {
+	// because ofSaveScreen doesn't related to viewports
+	ofImage screen;
+	ofRectangle view = ofGetCurrentViewport();
+	screen.allocate(view.width, view.height, OF_IMAGE_COLOR);
+	screen.grabScreen(0, 0, view.width, view.height);
+	screen.saveImage(filename);
+}
+
+//--------------------------------------------------
+int saveImageCounter = 0;
+void ofSaveFrame(bool bUseViewport){
+   string fileName = ofToString(saveImageCounter) + ".png";
+	if (bUseViewport){
+		ofSaveViewport(fileName);
+	} else {
+		ofSaveScreen(fileName);
+	}
+	saveImageCounter++;
+}
+
+//--------------------------------------------------
+string ofSystem(string command){
+	FILE * ret = NULL;
+#ifdef TARGET_WIN32
+	 ret = _popen(command.c_str(),"r");
+#else 
+	ret = popen(command.c_str(),"r");
+#endif
+	
+	string strret;
+	char c;
+
+	if (ret == NULL){
+		ofLogError() << "ofSystem: error opening return file";
+	}else{
+		do {
+		      c = fgetc (ret);
+		      strret += c;
+		} while (c != EOF);
+		fclose (ret);
+	}
+
+	return strret;
+}
+
+//--------------------------------------------------
+ofTargetPlatform ofGetTargetPlatform(){
+#ifdef TARGET_LINUX
+	if(ofSystem("uname -m").find("x86_64")==0)
+		return OF_TARGET_LINUX64;
+	else
+		return OF_TARGET_LINUX;
+#elif defined(TARGET_OSX)
+	return OF_TARGET_OSX;
+#elif defined(TARGET_WIN32)
+	#if (_MSC_VER)
+		return OF_TARGET_WINVS;
+	#else
+		return OF_TARGET_WINGCC;
+	#endif
+#elif defined(TARGET_ANDROID)
+	return OF_TARGET_ANDROID;
+#elif defined(TARGET_OF_IPHONE)
+	return OF_TARGET_IPHONE;
+#endif
+}
+*/
\ No newline at end of file
diff --git a/rotord/ofUtils.h b/rotord/ofUtils.h
new file mode 100755
index 0000000..0567e22
--- /dev/null
+++ b/rotord/ofUtils.h
@@ -0,0 +1,223 @@
+#pragma once
+
+//#include "ofConstants.h"
+
+
+// core: ---------------------------
+#include <cstdio>
+#include <cstdarg>
+#include <cmath>
+#include <ctime>
+#include <cstdlib>
+#include <string>
+#include <iostream>
+#include <vector>
+#include <cstring>
+#include <sstream>  //for ostringsream
+#include <iomanip>  //for setprecision
+#include <fstream>
+#include <algorithm>
+
+#include <bitset> // for ofToBinary
+
+
+
+
+//#include "ofLog.h"
+
+/*#ifdef TARGET_WIN32	 // for ofLaunchBrowser
+	#include <shellapi.h>
+#endif
+*/
+
+
+using namespace std;
+
+int 	ofNextPow2(int input);
+
+void	ofResetElapsedTimeCounter();		// this happens on the first frame
+float 	ofGetElapsedTimef();
+unsigned long ofGetElapsedTimeMillis();
+unsigned long ofGetElapsedTimeMicros();
+int 	ofGetFrameNum();
+
+int 	ofGetSeconds();
+int 	ofGetMinutes();
+int 	ofGetHours();
+
+//number of seconds since 1970
+unsigned int ofGetUnixTime();
+
+
+/*
+unsigned long ofGetSystemTime( );			// system time in milliseconds;
+unsigned long ofGetSystemTimeMicros( );			// system time in microseconds;
+
+		//returns 
+string ofGetTimestampString();
+string ofGetTimestampString(string timestampFormat);
+
+
+int     ofGetYear();
+int     ofGetMonth();
+int     ofGetDay();
+int     ofGetWeekday();
+
+void 	ofLaunchBrowser(string url);
+*/
+void	ofEnableDataPath();
+void	ofDisableDataPath();
+string 	ofToDataPath(string path, bool absolute=false);
+
+template<class T>
+void ofRandomize(vector<T>& values) {
+	random_shuffle(values.begin(), values.end());
+}
+
+template<class T, class BoolFunction>
+void ofRemove(vector<T>& values, BoolFunction shouldErase) {
+	values.erase(remove_if(values.begin(), values.end(), shouldErase), values.end());
+}
+
+template<class T>
+void ofSort(vector<T>& values) {
+	sort(values.begin(), values.end());
+}
+template<class T, class BoolFunction>
+void ofSort(vector<T>& values, BoolFunction compare) {
+	sort(values.begin(), values.end(), compare);
+}
+
+template <class T>
+unsigned int ofFind(const vector<T>& values, const T& target) {
+	return distance(values.begin(), find(values.begin(), values.end(), target));
+}
+
+template <class T>
+bool ofContains(const vector<T>& values, const T& target) {
+	return ofFind(values, target) != values.size();
+}
+
+//set the root path that ofToDataPath will use to search for files relative to the app
+//the path must have a trailing slash (/) !!!!
+void	ofSetDataPathRoot( string root );
+
+template <class T>
+string ofToString(const T& value){
+	ostringstream out;
+	out << value;
+	return out.str();
+}
+
+/// like sprintf "%4f" format, in this example precision=4
+template <class T>
+string ofToString(const T& value, int precision){
+	ostringstream out;
+	out << fixed << setprecision(precision) << value;
+	return out.str();
+}
+
+/// like sprintf "% 4d" or "% 4f" format, in this example width=4, fill=' '
+template <class T>
+string ofToString(const T& value, int width, char fill ){
+	ostringstream out;
+	out << fixed << setfill(fill) << setw(width) << value;
+	return out.str();
+}
+
+/// like sprintf "%04.2d" or "%04.2f" format, in this example precision=2, width=4, fill='0'
+template <class T>
+string ofToString(const T& value, int precision, int width, char fill ){
+	ostringstream out;
+	out << fixed << setfill(fill) << setw(width) << setprecision(precision) << value;
+	return out.str();
+}
+
+template<class T>
+string ofToString(const vector<T>& values) {
+	stringstream out;
+	int n = values.size();
+	out << "{";
+	if(n > 0) {
+		for(int i = 0; i < n - 1; i++) {
+			out << values[i] << ", ";
+		}
+		out << values[n - 1];
+	}
+	out << "}";
+	return out.str();
+}
+
+template <class T>
+string ofToHex(const T& value) {
+	ostringstream out;
+	// pretend that the value is a bunch of bytes
+	unsigned char* valuePtr = (unsigned char*) &value;
+	// the number of bytes is determined by the datatype
+	int numBytes = sizeof(T);
+	// the bytes are stored backwards (least significant first)
+	for(int i = numBytes - 1; i >= 0; i--) {
+		// print each byte out as a 2-character wide hex value
+		out << setfill('0') << setw(2) << hex << (int) valuePtr[i];
+	}
+	return out.str();
+}
+template <>
+string ofToHex(const string& value);
+string ofToHex(const char* value);
+
+int ofHexToInt(const string& intHexString);
+char ofHexToChar(const string& charHexString);
+float ofHexToFloat(const string& floatHexString);
+string ofHexToString(const string& stringHexString);
+
+int ofToInt(const string& intString);
+char ofToChar(const string& charString);
+float ofToFloat(const string& floatString);
+bool ofToBool(const string& boolString);
+
+template <class T>
+string ofToBinary(const T& value) {
+	ostringstream out;
+	const char* data = (const char*) &value;
+	// the number of bytes is determined by the datatype
+	int numBytes = sizeof(T);
+	// the bytes are stored backwards (least significant first)
+	for(int i = numBytes - 1; i >= 0; i--) {
+		bitset<8> cur(data[i]);
+		out << cur;
+	}
+	return out.str();
+}
+template <>
+string ofToBinary(const string& value);
+string ofToBinary(const char* value);
+
+int ofBinaryToInt(const string& value);
+char ofBinaryToChar(const string& value);
+float ofBinaryToFloat(const string& value);
+string ofBinaryToString(const string& value);
+
+string 	ofGetVersionInfo();
+
+void	ofSaveScreen(string filename);
+void	ofSaveFrame(bool bUseViewport = false);
+void	ofSaveViewport(string filename);
+
+//--------------------------------------------------
+vector <string> ofSplitString(const string & source, const string & delimiter, bool ignoreEmpty = false, bool trim = false);
+string ofJoinString(vector <string> stringElements, const string & delimiter);
+void ofStringReplace(string& input, string searchStr, string replaceStr);
+bool ofIsStringInString(string haystack, string needle);
+
+string ofToLower(const string & src);
+string ofToUpper(const string & src);
+
+string ofVAArgsToString(const char * format, ...);
+string ofVAArgsToString(const char * format, va_list args);
+
+string ofSystem(string command);
+
+//ofTargetPlatform ofGetTargetPlatform();
+
+
diff --git a/rotord/rotor.cpp b/rotord/rotor.cpp
index 8af1f0b..8360824 100644
--- a/rotord/rotor.cpp
+++ b/rotord/rotor.cpp
@@ -48,22 +48,22 @@ Command_response Render_context::session_command(const std::vector<std::string>&
 												//pass to worker thread ??if engine is ready?? ??what if engine has finished but results aren't read??
 			    audio_filename=command[3]; 			//for now, store session variables in memory
 			    add_queue(ANALYSE_AUDIO);
-			    response.description="<status>Starting audio analysis: "+command[3]+"</status>\n";
+			    response.description="<status context='"+command[1]+"'>Starting audio analysis: "+command[3]+"</status>\n";
 			}
 			else {
 			    response.status=HTTPResponse::HTTP_NOT_FOUND;
-			    response.description="<status>File "+command[3]+" not found</status>\n";
+			    response.description="<status context='"+command[1]+"'>File "+command[3]+" not found</status>\n";
 			}
 		    }
 		    else {
 			response.status=HTTPResponse::HTTP_BAD_REQUEST;
-			response.description="<status>Rotor: session busy</status>\n";
+			response.description="<status context='"+command[1]+"'>Rotor: session busy</status>\n";
 		    }
 		}
 	    }
 	     if (command[0]=="GET") {
 		     if (state==ANALYSING_AUDIO) {
-			      response.description="<status>Rotor: analysing audio</status>\n";
+			     response.description="<status context='"+command[1]+"'>Rotor: analysing audio</status>\n";
 			     char c[20];
 			     sprintf(c,"%02f",audio_analyser.get_progress());
 			     response.description+="<progress>"+string(c)+"</progress>\n";
@@ -72,7 +72,7 @@ Command_response Render_context::session_command(const std::vector<std::string>&
 			     //not sure about this-- should this state be retained?
 			     //can the data  only be read once?
 			     //for now
-			     response.description="<status>Rotor: audio ready</status>\n";
+			     response.description="<status context='"+command[1]+"'>Rotor: audio ready</status>\n";
 			      response.description+="<beats>";
 			     for (auto& i: audio_analyser.beats) { //is actually giving no data?
 				     char c[20];
@@ -88,9 +88,30 @@ Command_response Render_context::session_command(const std::vector<std::string>&
 		if (command[0]=="PUT") {                                    	//get new graph from file
 			if (command.size()>2) {
 												//should interrupt whatever is happening?
-												//before beggining to load from xml
+												//before begining to load from xml
+				if (state==IDLE) {					//eventually not like this
+					Poco::File f=Poco::File(command[3]);
+					if (f.exists()) {
+						string graph_filename=command[3]; 
+						if (load_graph(graph_filename)) {
+							response.description="<status context='"+command[1]+"'>Rotor: loaded graph "+command[3]+"</status>\n";
+						}
+						else {
+							response.status=HTTPResponse::HTTP_INTERNAL_SERVER_ERROR; //~/sources/poco-1.4.6-all/Net/include/Poco/Net/HTTPResponse.h
+							response.description="<status context='"+command[1]+"'>Rotor: could not load graph "+command[3]+"</status>\n";
+						}
+					}
+					else {
+					    response.status=HTTPResponse::HTTP_NOT_FOUND;
+					    response.description="<status context='"+command[1]+"'>File "+command[3]+" not found</status>\n";
+					}
+				}
 			}
 		}
 	}
 	return response;
+}
+
+bool Render_context::load_graph(string graph_filename){
+	return true;
 }
\ No newline at end of file
diff --git a/rotord/rotor.h b/rotord/rotor.h
index 52687ca..7c27c36 100755
--- a/rotord/rotor.h
+++ b/rotord/rotor.h
@@ -145,6 +145,7 @@ namespace Rotor {
 			void cancel();								//interrupt locking process
 			int make_preview(int nodeID, float time);		//starts a frame preview - returns status code -  how to retrieve?
 			int load_graph(Poco::UUID uid);
+			bool load_graph(string graph_filename); 				//should eventually be as above
 			UUID save_graph();							//returns UUID of saved graph
 			int load_audio(string filename);
 			Render_requirements get_requirements();
diff --git a/rotord/xmlIO.cpp b/rotord/xmlIO.cpp
index 5ff404e..d83380c 100755
--- a/rotord/xmlIO.cpp
+++ b/rotord/xmlIO.cpp
@@ -198,7 +198,7 @@ bool xmlIO::pushTag(const string&  tag, int which){
 		level++;
 		return true;
 	}else{
-        ofLog( OF_LOG_ERROR, "pushTag - <" + tag + "> tag not found");
+        //ofLog( OF_LOG_ERROR, "pushTag - <" + tag + "> tag not found");
 	}
 
 	return false;
diff --git a/rotord/xmlIO.h b/rotord/xmlIO.h
index 7661acc..84db7ca 100755
--- a/rotord/xmlIO.h
+++ b/rotord/xmlIO.h
@@ -2,7 +2,7 @@
 #define __xmlIO_
 
 //#include "ofMain.h"
-//based on xmlIO from openframeworks, manythanks!
+//based on xmlSettings from openframeworks, manythanks!
 #include <string.h>
 #include <vector>
 #include "tinyxml.h"