--- /dev/null
+/*
+ Copyright (C) 1999-2007 id Software, Inc. and contributors.
+ For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+ This file is part of GtkRadiant.
+
+ GtkRadiant is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ GtkRadiant is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// scriplib.c
+
+#include "cmdlib.h"
+#include "inout.h"
+#include "scriplib.h"
+
+/*
+ =============================================================================
+
+ PARSING STUFF
+
+ =============================================================================
+ */
+
+typedef struct
+{
+ char filename[1024];
+ char *buffer,*script_p,*end_p;
+ int line;
+} script_t;
+
+#define MAX_INCLUDES 8
+script_t scriptstack[MAX_INCLUDES];
+script_t *script;
+int scriptline;
+
+char token[MAXTOKEN];
+qboolean endofscript;
+qboolean tokenready; // only true if UnGetScriptToken was just called
+
+/*
+ ==============
+ AddScriptToStack
+ ==============
+ */
+void AddScriptToStack( char *filename ){
+ int size;
+
+ script++;
+ if ( script == &scriptstack[MAX_INCLUDES] ) {
+ Error( "script file exceeded MAX_INCLUDES" );
+ }
+ strcpy( script->filename, ExpandPath( filename ) );
+
+ size = LoadFile( script->filename, (void **)&script->buffer );
+
+ printf( "entering %s\n", script->filename );
+
+ script->line = 1;
+
+ script->script_p = script->buffer;
+ script->end_p = script->buffer + size;
+}
+
+
+/*
+ ==============
+ LoadScriptFile
+ ==============
+ */
+void LoadScriptFile( char *filename ){
+ script = scriptstack;
+ AddScriptToStack( filename );
+
+ endofscript = false;
+ tokenready = false;
+}
+
+
+/*
+ ==============
+ ParseFromMemory
+ ==============
+ */
+void ParseFromMemory( char *buffer, int size ){
+ script = scriptstack;
+ script++;
+ if ( script == &scriptstack[MAX_INCLUDES] ) {
+ Error( "script file exceeded MAX_INCLUDES" );
+ }
+ strcpy( script->filename, "memory buffer" );
+
+ script->buffer = buffer;
+ script->line = 1;
+ script->script_p = script->buffer;
+ script->end_p = script->buffer + size;
+
+ endofscript = false;
+ tokenready = false;
+}
+
+
+/*
+ ==============
+ UnGetScriptToken
+
+ Signals that the current token was not used, and should be reported
+ for the next GetScriptToken. Note that
+
+ GetScriptToken (true);
+ UnGetScriptToken ();
+ GetScriptToken (false);
+
+ could cross a line boundary.
+ ==============
+ */
+void UnGetScriptToken( void ){
+ tokenready = true;
+}
+
+
+qboolean EndOfScript( qboolean crossline ){
+ if ( !crossline ) {
+ Error( "Line %i is incomplete\n",scriptline );
+ }
+
+ if ( !strcmp( script->filename, "memory buffer" ) ) {
+ endofscript = true;
+ return false;
+ }
+
+ free( script->buffer );
+ if ( script == scriptstack + 1 ) {
+ endofscript = true;
+ return false;
+ }
+ script--;
+ scriptline = script->line;
+ printf( "returning to %s\n", script->filename );
+ return GetScriptToken( crossline );
+}
+
+/*
+ ==============
+ GetScriptToken
+ ==============
+ */
+qboolean GetScriptToken( qboolean crossline ){
+ char *token_p;
+
+ if ( tokenready ) { // is a token allready waiting?
+ tokenready = false;
+ return true;
+ }
+
+ if ( script->script_p >= script->end_p ) {
+ return EndOfScript( crossline );
+ }
+
+//
+// skip space
+//
+skipspace:
+ while ( *script->script_p <= 32 )
+ {
+ if ( script->script_p >= script->end_p ) {
+ return EndOfScript( crossline );
+ }
+ if ( *script->script_p++ == '\n' ) {
+ if ( !crossline ) {
+ Error( "Line %i is incomplete\n",scriptline );
+ }
+ scriptline = script->line++;
+ }
+ }
+
+ if ( script->script_p >= script->end_p ) {
+ return EndOfScript( crossline );
+ }
+
+ // ; # // comments
+ if ( *script->script_p == ';' || *script->script_p == '#'
+ || ( script->script_p[0] == '/' && script->script_p[1] == '/' ) ) {
+ if ( !crossline ) {
+ Error( "Line %i is incomplete\n",scriptline );
+ }
+ while ( *script->script_p++ != '\n' )
+ if ( script->script_p >= script->end_p ) {
+ return EndOfScript( crossline );
+ }
+ goto skipspace;
+ }
+
+ // /* */ comments
+ if ( script->script_p[0] == '/' && script->script_p[1] == '*' ) {
+ if ( !crossline ) {
+ Error( "Line %i is incomplete\n",scriptline );
+ }
+ script->script_p += 2;
+ while ( script->script_p[0] != '*' && script->script_p[1] != '/' )
+ {
+ script->script_p++;
+ if ( script->script_p >= script->end_p ) {
+ return EndOfScript( crossline );
+ }
+ }
+ script->script_p += 2;
+ goto skipspace;
+ }
+
+//
+// copy token
+//
+ token_p = token;
+
+ if ( *script->script_p == '"' ) {
+ // quoted token
+ script->script_p++;
+ while ( *script->script_p != '"' )
+ {
+ *token_p++ = *script->script_p++;
+ if ( script->script_p == script->end_p ) {
+ break;
+ }
+ if ( token_p == &token[MAXTOKEN] ) {
+ Error( "Token too large on line %i\n",scriptline );
+ }
+ }
+ script->script_p++;
+ }
+ else{ // regular token
+ while ( *script->script_p > 32 && *script->script_p != ';' )
+ {
+ *token_p++ = *script->script_p++;
+ if ( script->script_p == script->end_p ) {
+ break;
+ }
+ if ( token_p == &token[MAXTOKEN] ) {
+ Error( "Token too large on line %i\n",scriptline );
+ }
+ }
+ }
+
+ *token_p = 0;
+
+ if ( !strcmp( token, "$include" ) ) {
+ GetScriptToken( false );
+ AddScriptToStack( token );
+ return GetScriptToken( crossline );
+ }
+
+ return true;
+}
+
+
+/*
+ ==============
+ ScriptTokenAvailable
+
+ Returns true if there is another token on the line
+ ==============
+ */
+qboolean ScriptTokenAvailable( void ){
+ char *search_p;
+
+ search_p = script->script_p;
+
+ if ( search_p >= script->end_p ) {
+ return false;
+ }
+
+ while ( *search_p <= 32 )
+ {
+ if ( *search_p == '\n' ) {
+ return false;
+ }
+ search_p++;
+ if ( search_p == script->end_p ) {
+ return false;
+ }
+
+ }
+
+ if ( *search_p == ';' ) {
+ return false;
+ }
+
+ return true;
+}
projects / xonotic / netradiant.git / blobdiff