From 7c1364816bce2ecfad1ecc118225b1fa6f28faed Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Wed, 15 Oct 2014 16:44:27 +0200
Subject: added getstringarray to luavm layer

---
 include/luaglue/LuaVM.hpp |  2 ++
 src/crawl/GNUmakefile     |  1 +
 src/crawl/crawl.cpp       | 16 +++++++++++++++-
 src/libluaglue/LuaVM.cpp  | 28 ++++++++++++++++++++++++++++
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/include/luaglue/LuaVM.hpp b/include/luaglue/LuaVM.hpp
index 488c810..81261f3 100755
--- a/include/luaglue/LuaVM.hpp
+++ b/include/luaglue/LuaVM.hpp
@@ -5,6 +5,7 @@
 
 #include "lua.hpp"
 
+#include <vector>
 #include <string>
 
 class LuaVM
@@ -25,6 +26,7 @@ class LuaVM
 		LUAGLUE_DLL_VISIBLE void fullGarbageCollect( );
 		
 		LUAGLUE_DLL_VISIBLE std::string getString( const std::string &key );
+		LUAGLUE_DLL_VISIBLE std::vector<std::string> getStringArray( const std::string &key );
 		LUAGLUE_DLL_VISIBLE bool getBoolean( const std::string &key );
 
 		LUAGLUE_DLL_VISIBLE lua_State *handle( );
diff --git a/src/crawl/GNUmakefile b/src/crawl/GNUmakefile
index cea25f5..778a72a 100755
--- a/src/crawl/GNUmakefile
+++ b/src/crawl/GNUmakefile
@@ -8,6 +8,7 @@ INCLUDE_CPPFLAGS = \
 
 INCLUDE_DIRS = \
 	-I. \
+	-I$(TOPDIR)/include \
 	-I$(TOPDIR)/include/logger \
 	-I$(TOPDIR)/include/util \
 	-I$(TOPDIR)/include/module \
diff --git a/src/crawl/crawl.cpp b/src/crawl/crawl.cpp
index 648060c..88f6aa3 100755
--- a/src/crawl/crawl.cpp
+++ b/src/crawl/crawl.cpp
@@ -14,6 +14,8 @@
 
 #include "LuaVM.hpp"
 
+#include "FileUtils.hpp"
+
 #include <set>
 #include <vector>
 #include <list>
@@ -93,7 +95,19 @@ int main( int /* argc */, char *argv[] )
 		bool modulesSearchRecursive = luaVm.getBoolean( "crawler.modules_search_recursive" );
 		LOG( logNOTICE ) << "Loading modules from path '" << modulePath << "' "
 			<< ( modulesSearchRecursive ? "(recursive)" : "" );
-		
+
+		vector<string> entries = directory_entries( modulePath, true, modulesSearchRecursive );
+		vector<string>::const_iterator it, end = entries.end( );
+		for( it = entries.begin( ); it != end; it++ ) {
+			cout << (*it) << endl;
+		}
+
+		vector<string> modules = luaVm.getStringArray( "modules.urlnormalizers" );
+		end = modules.end( );
+		for( it = modules.begin( ); it != end; it++ ) {
+			cout << (*it) << endl;
+		}
+
 		vector<string> normalizerModules;
 #ifndef _WIN32
 		normalizerModules.push_back( "./modules/urlnormalizer/simpleurl/mod_urlnormalizer_simple.so" );
diff --git a/src/libluaglue/LuaVM.cpp b/src/libluaglue/LuaVM.cpp
index 637f668..04027af 100644
--- a/src/libluaglue/LuaVM.cpp
+++ b/src/libluaglue/LuaVM.cpp
@@ -273,3 +273,31 @@ bool LuaVM::getBoolean( const string &key )
 	
 	return res;
 }
+
+vector<string> LuaVM::getStringArray( const string &key )
+{
+	vector<string> res;
+	
+	int n = findValue( key );
+	
+	if( !lua_istable( m_lua, -1 ) ) {
+		lua_pop( m_lua, n );
+		ostringstream ss;
+		ss << "key '" << key << "' refers not to a table";
+		throw runtime_error( ss.str( ) );
+	}
+	
+	//dumpStack( );
+	
+	lua_pushvalue( m_lua, -1 );
+	lua_pushnil( m_lua );
+	while( lua_next( m_lua, -2 ) ) {
+		res.push_back( lua_tostring( m_lua, -1 ) );
+		lua_pop( m_lua, 1 );
+	}
+	lua_pop( m_lua, 1 );
+		
+	lua_pop( m_lua, n );
+	
+	return res;
+}
-- 
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