From ea76b6988ccafaa6a4d4ed90f2489d0e49e1f180 Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@mit.edu>
Date: Sat, 5 Sep 2015 09:32:30 -0400
Subject: Imported Upstream version 0.40.24

---
 g_src/command_line.cpp | 132 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100755 g_src/command_line.cpp

(limited to 'g_src/command_line.cpp')

diff --git a/g_src/command_line.cpp b/g_src/command_line.cpp
new file mode 100755
index 0000000..422f88f
--- /dev/null
+++ b/g_src/command_line.cpp
@@ -0,0 +1,132 @@
+#include "platform.h"
+#include <string.h>
+#include <math.h>
+#include <iosfwd>
+#include <iostream>
+#include <ios>
+#include <streambuf>
+#include <istream>
+#include <ostream>
+#include <iomanip>
+#include <sstream>
+#include <cstdlib>
+#include <fstream>
+#include <zlib.h>
+
+#include "svector.h"
+using std::string;
+
+#include "endian.h"
+
+#include "files.h"
+
+#include "enabler.h"
+
+#include "textlines.h"
+
+#include "basics.h"
+
+#include "command_line.h"
+
+void command_linest::init(const string &str)
+{
+	original=str;
+
+	//BUILD THE TOKEN LIST
+	long pos=0;
+	while(grab_arg(original,pos));
+
+	//HANDLE EACH TOKEN
+	long l;
+	for(l=0;l<arg_vect.str.size();l++)
+		{
+		handle_arg(arg_vect.str[l]->dat);
+		}
+}
+
+char command_linest::grab_arg(string &source,long &pos)
+{
+	string dest;
+
+	while(pos<source.length())
+		{
+		//HIT A NEW ARGUMENT?  RETURN, OTHERWISE SKIP AND START UP
+		if(source[pos]=='-')
+			{
+			if(dest.empty()){pos++;continue;}
+			else
+				{
+				pos++;
+				arg_vect.add_string(dest);
+				return 1;
+				}
+			}
+
+		dest+=source[pos];
+
+		pos++;
+		}
+
+	if(!dest.empty())arg_vect.add_string(dest);
+	return 0;
+}
+
+void command_linest::handle_arg(string &arg)
+{
+	long pos=0;
+	string dest;
+
+	grab_token_string_pos(dest,arg,pos,' ');
+	pos+=dest.length();
+
+	short arg_pos=0;
+	if(dest=="gen")
+		{
+		//KEEP GOING FOR A NUMBER
+		while(pos+1<arg.length())
+			{
+			dest.erase();
+			pos++;
+			auto s=arg.begin(),e=arg.end();
+			s+=pos;
+			bool quote=false;
+			for(;s<e;++s)
+				{
+				if((*s)=='"')
+					{
+					if(quote)break;
+					else quote=true;
+					++pos;
+					continue;
+					}
+				else if((*s)==' '&&!quote)break;
+				dest+=(*s);
+				}
+			pos+=dest.length();
+
+
+			if(!dest.empty())
+				{
+				if(arg_pos==0)gen_id=convert_string_to_long(dest);
+				if(arg_pos==1)
+					{
+					if(dest!="RANDOM")
+						{
+						world_seed=convert_string_to_ulong(dest);
+						use_seed=1;
+						}
+					}
+				if(arg_pos==2)
+					{
+					if(dest!="NONE")
+						{
+						world_param=dest;
+						use_param=1;
+						}
+					}
+
+				arg_pos++;
+				}
+			}
+		}
+}
\ No newline at end of file
-- 
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