Initial commit

1 files changed, 191 insertions, 0 deletions

diff --git a/synth/load.cpp b/synth/load.cpp
new file mode 100644
index 0000000..d88ec3e
--- /dev/null
+++ b/synth/load.cpp
@@ -0,0 +1,191 @@
+#include <string>
+#include <fstream>
+#include <cstdlib>
+#include <sys/types.h>
+#include <dirent.h>
+
+
+#include "util.h"
+#include "globals.h"
+
+
+using namespace std;
+
+void add_dir(string directory, bool complain=true)
+{
+	DIR *dir;
+	dir=opendir(directory.c_str());
+	if (dir)
+	{
+		string n, snum;
+		int num;
+		dirent *entry=NULL;
+		
+		while ( (entry=readdir(dir)) != NULL )
+		{
+			n=entry->d_name;
+			if (fileext(n)=="prog")
+			{
+				snum=n.substr(0,3);
+				if (isnum(snum))
+				{
+					num=atoi(snum.c_str());
+					if ((num>=0) && (num<=127))
+					{
+						if (programfile[num]=="")
+							programfile[num]=n;
+						else
+							output_verbose ("NOTE: found two or more .prog files with same number. ignoring '"+n+"'");
+					}
+					else
+					{
+						output_note ("NOTE: found .prog file with invalid number, ignoring it... ('"+n+"')");
+					}
+				}
+				else
+				{
+					output_note ("NOTE: found .prog file which does not start with a number, ignoring it... ('"+n+"')");
+				}
+			}
+		}
+		closedir(dir);
+	}
+	else
+	{
+		if (complain)
+			output_warning("WARNING: could not open directory '"+directory+"'!\n"
+										 "         this is not fatal, ignoring and proceeding...");
+	}
+}
+
+void read_config(const char *cfg, bool complain=true)
+{
+	char buf[2000];
+	
+	ifstream f;
+	f.open(cfg);
+	
+	if (f.good())
+	{
+		string line;
+		while (!f.eof())
+		{
+			f.getline(buf,sizeof(buf)/sizeof(*buf)-1);
+			line=buf;
+			line=trim_spaces(line);
+
+			if ((line!="") && (line[0]!='#')) //ignore comments and empty lines
+			{
+				if (line.substr(0,string("include ").length())=="include ")
+				{
+					add_dir(trim_spaces(line.substr(string("include ").length())));
+				}
+				else
+				{
+					string var,val;
+					var=trim_spaces(extract_var(line));
+					val=trim_spaces(extract_val(line));
+
+					if (isnum(var)) //programmzuweisung
+					{
+						int num=atoi(var.c_str());
+						if ((num>=0) && (num<=127))
+						{
+							if (programfile[num]=="")
+								programfile[num]=val;
+							else
+								output_verbose ("NOTE: program #"+IntToStr(num)+" has already been defined. ignoring it...");
+						}
+						else
+						{
+							output_warning("WARNING: number out of range (0..127) in program assignment. ignoring it...");
+						}
+					}
+					else
+					{
+						float valf=atof(val.c_str());
+							
+						if (var=="frameskip")
+						{
+							if (valf<0)
+								output_warning("WARNING: invalid value for '"+var+"' ("+val+"). ignoring it...");
+								
+							if (frameskip==-1)
+								frameskip=valf;
+							else
+								output_verbose("NOTE: ignoring value for frameskip, another setting overrides this.");
+						}
+						else
+						{
+							if (valf<=0)
+								output_warning("WARNING: invalid value for '"+var+"' ("+val+"). ignoring it...");
+							
+							if ((var=="snh_freq") || (var=="sample_and_hold_freq"))
+							{
+								if (snh_freq_hz==0)
+									snh_freq_hz=valf;
+								else
+									output_verbose("NOTE: ignoring value for sample_and_hold_freq, another setting overrides this.");
+							}
+							if (var=="lfo0_freq") //FINDLFO
+							{
+								if (lfo_freq_hz[0]==0)
+									lfo_freq_hz[0]=valf;
+								else
+									output_verbose("NOTE: ignoring value for "+var+", another setting overrides this.");
+							}
+							if (var=="lfo1_freq")
+							{
+								if (lfo_freq_hz[1]==0)
+									lfo_freq_hz[1]=valf;
+								else
+									output_verbose("NOTE: ignoring value for "+var+", another setting overrides this.");
+							}
+							if (var=="lfo2_freq")
+							{
+								if (lfo_freq_hz[2]==0)
+									lfo_freq_hz[2]=valf;
+								else
+									output_verbose("NOTE: ignoring value for "+var+", another setting overrides this.");
+							}
+							else if ((var=="cleanup-interval") || (var=="clean"))
+							{
+								if (cleanup_interval_sec==0)
+									cleanup_interval_sec=valf;
+								else
+									output_verbose("NOTE: ignoring value for cleanup-interval, another setting overrides this.");
+							}
+							else if ((var=="max_port") || (var=="max_port_time") || (var=="max_portamento_time"))
+							{
+								if (max_port_time_sec==0)
+									max_port_time_sec=valf;
+								else
+									output_verbose("NOTE: ignoring value for max-portamento-time, another setting overrides this.");
+							}
+							else if (var=="lfo_update_freq")
+							{
+								if (lfo_update_freq_hz==0)
+									lfo_update_freq_hz=valf;
+								else
+									output_verbose("NOTE: ignoring value for lfo_update_freq, another setting overrides this.");
+							}
+							else if (var=="filter_update_freq")
+							{
+								if (filter_update_freq_hz==0)
+									filter_update_freq_hz=valf;
+								else
+									output_verbose("NOTE: ignoring value for filter_update_freq, another setting overrides this.");
+							}
+							else
+								output_warning("WARNING: unknown variable '"+var+"'. ignoring it...");
+						}
+					}
+				}
+			}
+		}
+	}
+	else
+	{
+		output_warning("WARNING: could not open config file '"+string(cfg)+"'.\nignoring this file...");
+	}
+}