Initial work for map server to C++ (#2565)

* Initial progression of moving the map-server to C++ format.
* Converted all core files to .cpp and header files to .hpp.
* Refactored the refine database parser to utilize native YAML C++.
Thanks to @Jeybla and @lighta for their help!

3rdparty/libconfig/grammar.h

@@ -1,4 +1,4 @@
-
+#pragma once
 /* A Bison parser, made by GNU Bison 2.4.1.  */
 
 /* Skeleton interface for Bison's Yacc-like parsers in C
@@ -32,7 +32,10 @@
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
-
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+    
 /* Tokens.  */
 #ifndef YYTOKENTYPE
 # define YYTOKENTYPE
@@ -109,5 +112,7 @@ typedef union YYSTYPE
 #endif
 
 
-
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
 

3rdparty/libconfig/libconfig.h

@@ -20,6 +20,8 @@
    ----------------------------------------------------------------------------
 */
 
+#pragma once
+
 #ifndef __libconfig_h
 #define __libconfig_h
 

3rdparty/libconfig/parsectx.h

@@ -1,3 +1,5 @@
+#pragma once
+
 /* ----------------------------------------------------------------------------
    libconfig - A library for processing structured configuration files
    Copyright (C) 2005-2010  Mark A Lindner

3rdparty/libconfig/scanctx.h

@@ -1,3 +1,5 @@
+#pragma once
+
 /* ----------------------------------------------------------------------------
    libconfig - A library for processing structured configuration files
    Copyright (C) 2005-2010  Mark A Lindner
@@ -31,6 +33,10 @@
 
 #define MAX_INCLUDE_DEPTH 10
 
+#ifdef	__cplusplus
+extern "C" {
+#endif
+    
 struct scan_context
 {
   config_t *config;
@@ -59,4 +65,8 @@ extern char *scanctx_take_string(struct scan_context *ctx);
 
 extern const char *scanctx_current_filename(struct scan_context *ctx);
 
+#ifdef	__cplusplus
+}
+#endif
+    
 #endif /* __libconfig_scanctx_h */

3rdparty/libconfig/scanner.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #ifndef libconfig_yyHEADER_H
 #define libconfig_yyHEADER_H 1
 #define libconfig_yyIN_HEADER 1

3rdparty/libconfig/strbuf.h

@@ -1,3 +1,5 @@
+#pragma once
+
 /* ----------------------------------------------------------------------------
    libconfig - A library for processing structured configuration files
    Copyright (C) 2005-2010  Mark A Lindner
@@ -26,6 +28,10 @@
 #include <string.h>
 #include <sys/types.h>
 
+#ifdef	__cplusplus
+extern "C" {
+#endif
+    
 typedef struct
 {
   char *string;
@@ -37,4 +43,8 @@ char *strbuf_release(strbuf_t *buf);
 
 void strbuf_append(strbuf_t *buf, const char *text);
 
+#ifdef	__cplusplus
+}
+#endif
+    
 #endif /* __libconfig_strbuf_h */

3rdparty/libconfig/wincompat.h

@@ -1,3 +1,5 @@
+#pragma once
+
 /* ----------------------------------------------------------------------------
    libconfig - A library for processing structured configuration files
    Copyright (C) 2005-2010  Mark A Lindner

3rdparty/mt19937ar/mt19937ar.h

@@ -1,3 +1,5 @@
+#pragma once
+
 /* 
    A C-program for MT19937, with initialization improved 2002/1/26.
    Coded by Takuji Nishimura and Makoto Matsumoto.
@@ -43,6 +45,10 @@
    email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space)
 */
 
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
 /* initializes mt[N] with a seed */
 void init_genrand(unsigned long s);
 
@@ -70,3 +76,7 @@ double genrand_real3(void);
 
 /* generates a random number on [0,1) with 53-bit resolution*/
 double genrand_res53(void);
+
+#ifdef	__cplusplus
+}
+#endif