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/*
* Copyright � 2006-2016 SplinterGU (Fenix/Bennugd)
* Copyright � 2002-2006 Fenix Team (Fenix)
* Copyright � 1999-2002 Jos� Luis Cebri�n Pag�e (Fenix)
*
* This file is part of Bennu - Game Development
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef TARGET_BEOS
#include <posix/assert.h>
#else
#include <assert.h>
#endif
#include "bgdc.h"
/* ---------------------------------------------------------------------- */
/* Gestor de cadenas */
/* ---------------------------------------------------------------------- */
char * string_mem = 0 ;
int string_allocated = 0 ;
int string_used = 0 ;
int * string_offset = 0 ;
int string_max = 0 ;
int string_count = 0 ;
int autoinclude = 0 ;
void string_init()
{
string_mem = ( char * ) calloc( 4096, sizeof( char ) ) ;
string_allocated = 4096 ;
string_used = 1 ;
string_count = 1 ;
string_offset = ( int * ) calloc( 1024, sizeof( int ) ) ;
string_max = 1024 ;
string_mem[ 0 ] = 0 ;
string_offset[ 0 ] = 0 ;
}
void string_alloc( int bytes )
{
string_mem = ( char * ) realloc( string_mem, string_allocated += bytes ) ;
if ( !string_mem )
{
fprintf( stdout, "string_alloc: out of memory\n" ) ;
exit( 1 ) ;
}
}
void string_dump( void ( *wlog )( const char *fmt, ... ) )
{
int i ;
printf( "\n---- %d strings ----\n\n", string_count ) ;
for ( i = 0 ; i < string_count ; i++ )
printf( "%4d: %s\n", i, string_mem + string_offset[ i ] ) ;
}
int string_new( const char * text )
{
int len = strlen( text ) + 1 ;
int i;
/* Reuse strings */
for ( i = 0; i < string_count; i++ ) if ( !strcmp( text, string_mem + string_offset[ i ] ) ) return i;
if ( string_count == string_max )
{
string_max += 1024 ;
string_offset = ( int * ) realloc( string_offset, string_max * sizeof( int ) ) ;
if ( string_offset == 0 )
{
fprintf( stdout, "Too many strings\n" ) ;
exit( 1 ) ;
}
}
while ( string_used + len >= string_allocated ) string_alloc( 1024 ) ;
string_offset[ string_count ] = string_used ;
strcpy( string_mem + string_used, text ) ;
string_used += len ;
return string_count++ ;
}
char * validchars = "\\/.";
char * invalidchars = \
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F" \
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F" \
"*?\"<>|";
int check_for_valid_pathname( char * pathname )
{
int n, l;
if ( !pathname || ( l = strlen( pathname ) ) > __MAX_PATH ) return 0;
#if WIN32
/* Only ':' with this sintax: "L:..." */
if ( pathname[ 0 ] == ':' || ( l > 2 && strchr( pathname + 2, ':' ) ) ) return 0;
#endif
/* Some invalid character? */
for ( n = 0; n < strlen( invalidchars ); n++ )
if ( strchr( pathname, invalidchars[ n ] ) ) return 0;
return 1;
}
int no_include_this_file = 0;
int string_compile( const char ** source )
{
char c = *( *source ) ++, conv ;
const char * ptr ;
int string_used_back = string_used;
if ( string_count == string_max )
{
string_max += 1024 ;
string_offset = ( int * ) realloc( string_offset, string_max * sizeof( int ) ) ;
if ( string_offset == 0 )
{
fprintf( stdout, "Too many strings\n" ) ;
exit( 1 ) ;
}
}
string_offset[ string_count ] = string_used ;
while ( *( *source ) )
{
if ( *( *source ) == c ) /* Termina la string? */
{
( *source ) ++ ;
if ( *( *source ) == c ) /* Comienza una nueva? (esto es para strings divididas) */
{
( *source ) ++ ;
}
else
{
/* Elimino todos los espacios para buscar si hay otra string, esto es para strings divididas */
ptr = ( *source ) ;
while ( ISSPACE( *ptr ) )
{
if ( *ptr == '\n' ) line_count++ ;
ptr++ ;
}
/* Si despues de saltar todos los espacios, no tengo un delimitador de string, salgo */
if ( *ptr != c )
{
( *source ) = ptr; /* Fix: Splinter, por problema con numeracion de lineas */
break ;
}
/* Obtengo delimitador de string, me posiciono en el caracter siguiente, dentro de la string */
( *source ) = ptr + 1 ;
continue ;
}
}
else if ( *( *source ) == '\n' )
{
line_count++ ;
string_mem[ string_used++ ] = '\n' ;
( *source ) ++ ;
}
else
{
#ifdef __USE_C_STRING_ESCAPE
if ( *( *source ) == '\\' && *( *source + 1 ) == c ) ( *source ) ++ ;
#endif
conv = convert( *( *source ) ) ;
string_mem[ string_used++ ] = conv ;
( *source ) ++ ;
}
if ( string_used >= string_allocated )
string_alloc( 1024 ) ;
}
string_mem[ string_used++ ] = 0 ;
int i;
/* Reuse strings */
for ( i = 0; i < string_count; i++ )
{
if ( !strcmp( string_mem + string_used_back, string_mem + string_offset[ i ] ) )
{
string_used = string_used_back;
return i;
}
}
if ( string_used >= string_allocated ) string_alloc( 1024 ) ;
/* Hack: a�ade el posible fichero al DCB */
if ( !no_include_this_file && autoinclude && check_for_valid_pathname( string_mem + string_offset[ string_count ] ) )
dcb_add_file( string_mem + string_offset[ string_count ] ) ;
no_include_this_file = 0;
return string_count++ ;
}
const char * string_get( int code )
{
assert( code < string_count && code >= 0 ) ;
return string_mem + string_offset[ code ] ;
}
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