command completion (single match)

4 files changed, 55 insertions, 0 deletions

diff --git a/src/core/commandbuffer.cc b/src/core/commandbuffer.cc
index eaa8504..a46863c 100644
--- a/src/core/commandbuffer.cc
+++ b/src/core/commandbuffer.cc
@@ -10,6 +10,7 @@
 // C++ headers
 #include <string>
 #include <sstream>
+#include <list>
 
 namespace core
 {
@@ -73,6 +74,48 @@ void clear()
 	while (core::cmd.getline(line, MAXCMDSIZE-1));
 }
 
+void complete(std::string &input, size_t &pos) 
+{
+	std::list<std::string> match;
+
+	std::string partial = input.substr(0, pos);
+	if (!partial.size())
+		return;
+
+	// search function registry for matches
+	std::map<std::string, Func>::iterator f;
+	for (f = func::registry.begin(); f != func::registry.end(); f++) {
+		if (partial == (*f).first.substr(0, partial.size())) {
+			match.push_back((*f).first);
+			//con_print << "  " << (*f).first << std::endl;
+		}
+	}
+
+	// search cvar registry for matches
+	std::map<std::string, Cvar>::iterator c;
+	for (c = cvar::registry.begin(); c != cvar::registry.end(); c++) {
+		if (partial == (*c).first.substr(0, partial.size())) {
+			match.push_back((*c).first);
+			//con_print << "  " << (*c).first << std::endl;
+		}
+	}
+
+	if (!match.size())
+		return;
+
+	if (match.size() == 1) {
+		std::list<std::string>::iterator l;
+		l = match.begin();
+		input.replace(0, pos, (*l));
+		pos = (*l).size();
+	} else {
+		std::list<std::string>::iterator l;
+		for (l = match.begin(); l !=match.end(); l++)
+			con_print << "  " << (*l) << std::endl;
+	}
+
+}
+
 } // namespace commandbuffer
 
 } // namespace core
diff --git a/src/core/commandbuffer.h b/src/core/commandbuffer.h
index c18acd0..6f5b324 100644
--- a/src/core/commandbuffer.h
+++ b/src/core/commandbuffer.h
@@ -26,6 +26,9 @@ void execute();
 /// flush the command buffer
 void clear();
 
+/// tab completion
+void complete(std::string &input, size_t &pos);
+
 }
 
 }
diff --git a/src/core/cvar.h b/src/core/cvar.h
index 660f03e..205a416 100644
--- a/src/core/cvar.h
+++ b/src/core/cvar.h
@@ -8,6 +8,7 @@
 #define __INCLUDED_CORE_CVAR_H__
 
 #include <string>
+#include <map>
 
 namespace core {
 
@@ -77,6 +78,9 @@ Cvar find(const char *name);
 /// list the cvar registry
 void list();
 
+/// the Cvar registry
+extern std::map<std::string, Cvar> registry;
+
 } // namespace cvar
 
 } // namespace core
diff --git a/src/core/func.h b/src/core/func.h
index ad189b8..3a58295 100644
--- a/src/core/func.h
+++ b/src/core/func.h
@@ -10,6 +10,8 @@
 #include "sys/sys.h"
 
 #include <sstream>
+#include <string>
+#include <map>
 
 namespace core
 {
@@ -34,6 +36,9 @@ Func find(const std::string &functionname);
 /// list the function registry
 void list();
 
+/// the function registry
+extern std::map<std::string, Func> registry;
+
 } // namespace func
 
 } // namespace core