mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-17 12:02:48 +01:00
193 lines
7.1 KiB
C++
Executable File
193 lines
7.1 KiB
C++
Executable File
/**
|
|
* projectM -- Milkdrop-esque visualisation SDK
|
|
* Copyright (C)2003-2007 projectM Team
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
* See 'LICENSE.txt' included within this release
|
|
*
|
|
*/
|
|
/**
|
|
* $Id$
|
|
*
|
|
* MilkdropPreset parser
|
|
*
|
|
* $Log$
|
|
*/
|
|
|
|
#ifndef _PARSER_H
|
|
#define _PARSER_H
|
|
//#define PARSE_DEBUG 2
|
|
#define PARSE_DEBUG 0
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "Expr.hpp"
|
|
#include "PerFrameEqn.hpp"
|
|
#include "InitCond.hpp"
|
|
#include "MilkdropPreset.hpp"
|
|
|
|
/* Strings that prefix (and denote the type of) equations */
|
|
#define PER_FRAME_STRING "per_frame_"
|
|
#define PER_FRAME_STRING_LENGTH 10
|
|
|
|
#define PER_PIXEL_STRING "per_pixel_"
|
|
#define PER_PIXEL_STRING_LENGTH 10
|
|
|
|
#define PER_FRAME_INIT_STRING "per_frame_init_"
|
|
#define PER_FRAME_INIT_STRING_LENGTH 15
|
|
|
|
#define WAVECODE_STRING "wavecode_"
|
|
#define WAVECODE_STRING_LENGTH 9
|
|
|
|
#define WAVE_STRING "wave_"
|
|
#define WAVE_STRING_LENGTH 5
|
|
|
|
#define PER_POINT_STRING "per_point"
|
|
#define PER_POINT_STRING_LENGTH 9
|
|
|
|
#define PER_FRAME_STRING_NO_UNDERSCORE "per_frame"
|
|
#define PER_FRAME_STRING_NO_UNDERSCORE_LENGTH 9
|
|
|
|
#define SHAPECODE_STRING "shapecode_"
|
|
#define SHAPECODE_STRING_LENGTH 10
|
|
|
|
|
|
#define WARP_STRING "warp_"
|
|
#define WARP_STRING_LENGTH 5
|
|
|
|
#define COMPOSITE_STRING "comp_"
|
|
#define COMPOSITE_STRING_LENGTH 5
|
|
|
|
#define SHAPE_STRING "shape_"
|
|
#define SHAPE_STRING_LENGTH 6
|
|
|
|
#define SHAPE_INIT_STRING "init"
|
|
#define SHAPE_INIT_STRING_LENGTH 4
|
|
|
|
#define WAVE_INIT_STRING "init"
|
|
#define WAVE_INIT_STRING_LENGTH 4
|
|
|
|
#include <set>
|
|
|
|
typedef enum {
|
|
UNSET_LINE_MODE,
|
|
PER_FRAME_LINE_MODE,
|
|
PER_PIXEL_LINE_MODE,
|
|
PER_FRAME_INIT_LINE_MODE,
|
|
INIT_COND_LINE_MODE,
|
|
CUSTOM_WAVE_PER_POINT_LINE_MODE,
|
|
CUSTOM_WAVE_PER_FRAME_LINE_MODE,
|
|
CUSTOM_WAVE_WAVECODE_LINE_MODE,
|
|
CUSTOM_SHAPE_SHAPECODE_LINE_MODE,
|
|
CUSTOM_SHAPE_PER_FRAME_LINE_MODE,
|
|
CUSTOM_SHAPE_PER_FRAME_INIT_LINE_MODE,
|
|
CUSTOM_WAVE_PER_FRAME_INIT_LINE_MODE
|
|
} line_mode_t;
|
|
|
|
/** Token enumeration type */
|
|
typedef enum {
|
|
tEOL, /* end of a line, usually a '/n' or '/r' */
|
|
tEOF, /* end of file */
|
|
tLPr, /* ( */
|
|
tRPr, /* ) */
|
|
tLBr, /* [ */
|
|
tRBr, /* ] */
|
|
tEq, /* = */
|
|
tPlus, /* + */
|
|
tMinus, /* - */
|
|
tMult, /* * */
|
|
tMod, /* % */
|
|
tDiv, /* / */
|
|
tOr, /* | */
|
|
tAnd, /* & */
|
|
tComma, /* , */
|
|
tPositive, /* + as a prefix operator */
|
|
tNegative, /* - as a prefix operator */
|
|
tSemiColon, /* ; */
|
|
tStringTooLong, /* special token to indicate an invalid string length */
|
|
tStringBufferFilled /* the string buffer for this line is maxed out */
|
|
} token_t;
|
|
|
|
class CustomShape;
|
|
class CustomWave;
|
|
class GenExpr;
|
|
class InfixOp;
|
|
class PerFrameEqn;
|
|
class MilkdropPreset;
|
|
class TreeExpr;
|
|
|
|
class Parser {
|
|
public:
|
|
static std::string lastLinePrefix;
|
|
static line_mode_t line_mode;
|
|
static CustomWave *current_wave;
|
|
static CustomShape *current_shape;
|
|
static int string_line_buffer_index;
|
|
static char string_line_buffer[STRING_LINE_SIZE];
|
|
static unsigned int line_count;
|
|
static int per_frame_eqn_count;
|
|
static int per_frame_init_eqn_count;
|
|
static int last_custom_wave_id;
|
|
static int last_custom_shape_id;
|
|
static char last_eqn_type[MAX_TOKEN_SIZE];
|
|
static int last_token_size;
|
|
static bool tokenWrapAroundEnabled;
|
|
|
|
static PerFrameEqn *parse_per_frame_eqn( std::istream & fs, int index,
|
|
MilkdropPreset * preset);
|
|
static int parse_per_pixel_eqn( std::istream & fs, MilkdropPreset * preset,
|
|
char * init_string);
|
|
static InitCond *parse_init_cond( std::istream & fs, char * name, MilkdropPreset * preset );
|
|
static int parse_preset_name( std::istream & fs, char * name );
|
|
static int parse_top_comment( std::istream & fs );
|
|
static int parse_line( std::istream & fs, MilkdropPreset * preset );
|
|
|
|
static int get_string_prefix_len(char * string);
|
|
static TreeExpr * insert_gen_expr(GenExpr * gen_expr, TreeExpr ** root);
|
|
static TreeExpr * insert_infix_op(InfixOp * infix_op, TreeExpr ** root);
|
|
static token_t parseToken(std::istream & fs, char * string);
|
|
static GenExpr ** parse_prefix_args(std::istream & fs, int num_args, MilkdropPreset * preset);
|
|
static GenExpr * parse_infix_op(std::istream & fs, token_t token, TreeExpr * tree_expr, MilkdropPreset * preset);
|
|
static GenExpr * parse_sign_arg(std::istream & fs);
|
|
static int parse_float(std::istream & fs, float * float_ptr);
|
|
static int parse_int(std::istream & fs, int * int_ptr);
|
|
static int insert_gen_rec(GenExpr * gen_expr, TreeExpr * root);
|
|
static int insert_infix_rec(InfixOp * infix_op, TreeExpr * root);
|
|
static GenExpr * parse_gen_expr(std::istream & fs, TreeExpr * tree_expr, MilkdropPreset * preset);
|
|
static PerFrameEqn * parse_implicit_per_frame_eqn(std::istream & fs, char * param_string, int index, MilkdropPreset * preset);
|
|
static InitCond * parse_per_frame_init_eqn(std::istream & fs, MilkdropPreset * preset, std::map<std::string,Param*> * database);
|
|
static int parse_wavecode_prefix(char * token, int * id, char ** var_string);
|
|
static int parse_wavecode(char * token, std::istream & fs, MilkdropPreset * preset);
|
|
static int parse_wave_prefix(char * token, int * id, char ** eqn_string);
|
|
static int parse_wave_helper(std::istream & fs, MilkdropPreset * preset, int id, char * eqn_type, char * init_string);
|
|
static int parse_shapecode(char * eqn_string, std::istream & fs, MilkdropPreset * preset);
|
|
static int parse_shapecode_prefix(char * token, int * id, char ** var_string);
|
|
static void parse_string_block(std::istream & fs, std::string * out_string);
|
|
static bool scanForComment(std::istream & fs);
|
|
static int parse_wave(char * eqn_string, std::istream & fs, MilkdropPreset * preset);
|
|
static int parse_shape(char * eqn_string, std::istream & fs, MilkdropPreset * preset);
|
|
static int parse_shape_prefix(char * token, int * id, char ** eqn_string);
|
|
static void readStringUntil(std::istream & fs, std::string * out_buffer, bool wrapAround = true, const std::set<char> & skipList = std::set<char>()) ;
|
|
|
|
static int string_to_float(char * string, float * float_ptr);
|
|
static int parse_shape_per_frame_init_eqn(std::istream & fs, CustomShape * custom_shape, MilkdropPreset * preset);
|
|
static int parse_shape_per_frame_eqn(std::istream & fs, CustomShape * custom_shape, MilkdropPreset * preset);
|
|
static int parse_wave_per_frame_eqn(std::istream & fs, CustomWave * custom_wave, MilkdropPreset * preset);
|
|
static bool wrapsToNextLine(const std::string & str);
|
|
};
|
|
|
|
#endif /** !_PARSER_H */
|
|
|