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# Channel table for Ca�apava - SP - Brazil
# Source: https://portalbsd.com.br/terrestres_channels.php?cidade=3650

# Physical channel 14 (virtual 18.1)
[RBI TV]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 473142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 16 (virtual 17.1)
[TV Vanguarda São José]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 485142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 21 (virtual 57.1)
[Band Vale]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 515142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 26 (virtual 11.1)
[Boa Vontade TV]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 545142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 27 (virtual 13.1)
[TV Canção Nova]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 551142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 29 (virtual 29.1)
[Rede TV!]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 563142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 30 (virtual 15.1)
[TV Setorial]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 569142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 33 (virtual 54.1)
[TV Gazeta]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 587142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 34 (virtual 34.3)
[Rede Vida, Rede Vida Educação]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 593142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 40 (virtual 48.1)
[RIT]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 629142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 41 (virtual 41.1)
[TV Aparecida]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 635142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 43 (virtual 43.1)
[Record Litoral e Vale]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 647142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 45 (virtual 38.1)
[Rede Gospel]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 659142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 48 (virtual 22.1)
[TV Thathi Vale]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 677142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 49 (virtual 49.1)
[Boas Novas]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 683142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0

# Physical channel 50 (virtual 27.3)
[TV Cultura, Univesp, Multicultura]
	DELIVERY_SYSTEM = ISDBT
	BANDWIDTH_HZ = 6000000
	FREQUENCY = 689142857
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	INVERSION = AUTO
	GUARD_INTERVAL = AUTO
	TRANSMISSION_MODE = AUTO
	ISDBT_LAYER_ENABLED = 7
	ISDBT_SOUND_BROADCASTING = 0
	ISDBT_SB_SUBCHANNEL_ID = 0
	ISDBT_SB_SEGMENT_IDX = 0
	ISDBT_SB_SEGMENT_COUNT = 0
	ISDBT_LAYERA_FEC = AUTO
	ISDBT_LAYERA_MODULATION = QAM/AUTO
	ISDBT_LAYERA_SEGMENT_COUNT = 0
	ISDBT_LAYERA_TIME_INTERLEAVING = 0
	ISDBT_LAYERB_FEC = AUTO
	ISDBT_LAYERB_MODULATION = QAM/AUTO
	ISDBT_LAYERB_SEGMENT_COUNT = 0
	ISDBT_LAYERB_TIME_INTERLEAVING = 0
	ISDBT_LAYERC_FEC = AUTO
	ISDBT_LAYERC_MODULATION = QAM/AUTO
	ISDBT_LAYERC_SEGMENT_COUNT = 0
	ISDBT_LAYERC_TIME_INTERLEAVING = 0
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-15 14:19:24 +0000
23:01:37 reinelt Exp $ * * expression evaluation * * based on EE (Expression Evaluator) which is * (c) 1992 Mark Morley <morley@Camosun.BC.CA> * * heavily modified 2003 by Michael Reinelt <reinelt@eunet.at> * * FIXME: GPL or not GPL???? * * $Log: evaluator.c,v $ * Revision 1.6 2004/01/06 23:01:37 reinelt * more copyright issues * * Revision 1.5 2004/01/06 17:33:45 reinelt * Evaluator: functions with variable argument lists * Evaluator: plugin_sample.c and README.Plugins added * * Revision 1.4 2004/01/06 15:19:12 reinelt * Evaluator rearrangements... * * Revision 1.3 2003/10/11 06:01:52 reinelt * renamed expression.{c,h} to client.{c,h} * added config file client * new functions 'AddNumericVariable()' and 'AddStringVariable()' * new parameter '-i' for interactive mode * * Revision 1.2 2003/10/06 05:47:27 reinelt * operators: ==, \!=, <=, >= * * Revision 1.1 2003/10/06 04:34:06 reinelt * expression evaluator added * */ /*************************************************************************** ** ** ** EE.C Expression Evaluator ** ** ** ** AUTHOR: Mark Morley ** ** COPYRIGHT: (c) 1992 by Mark Morley ** ** DATE: December 1991 ** ** HISTORY: Jan 1992 - Made it squash all command line arguments ** ** into one big long string. ** ** - It now can set/get VMS symbols as if they ** ** were variables. ** ** - Changed max variable name length from 5 to 15 ** ** Jun 1992 - Updated comments and docs ** ** ** ** You are free to incorporate this code into your own works, even if it ** ** is a commercial application. However, you may not charge anyone else ** ** for the use of this code! If you intend to distribute your code, ** ** I'd appreciate it if you left this message intact. I'd like to ** ** receive credit wherever it is appropriate. Thanks! ** ** ** ** I don't promise that this code does what you think it does... ** ** ** ** Please mail any bug reports/fixes/enhancments to me at: ** ** morley@camosun.bc.ca ** ** or ** ** Mark Morley ** ** 3889 Mildred Street ** ** Victoria, BC Canada ** ** V8Z 7G1 ** ** (604) 479-7861 ** ** ** ***************************************************************************/ /* * exported functions: * * int AddNumericVariable(char *name, double value) * adds a numerical variable to the evaluator * * int AddStringVariable(char *name, char *value) * adds a numerical variable to the evaluator * * int AddFunction (char *name, int args, void (*func)()) * adds a function to the evaluator * * RESULT* SetResult (RESULT **result, int type, void *value) * initializes a result * * double R2N (RESULT *result) * converts a result into a number * * char* R2S (RESULT *result) * converts a result into a string * * int Eval (char* expression, RESULT *result) * evaluates an expression * */ #include <stdlib.h> #include <stdio.h> #include <string.h> #include <ctype.h> #include <math.h> #include <setjmp.h> #include "debug.h" #include "evaluator.h" // Token types #define T_DELIMITER 1 #define T_NUMBER 2 #define T_STRING 3 #define T_NAME 4 #define is_blank(c) (c==' ' || c=='\t') #define is_number(c) (isdigit(c) || c=='.') #define is_name(c) (isalnum(c) || c=='_') #define is_delim(c) (strchr("+-*/%^().,;=<>!&|", c)!=NULL) typedef struct { char *name; RESULT *value; } VARIABLE; static VARIABLE *Variable=NULL; static int nVariable=0; typedef struct { char *name; int args; void (*func)(); } FUNCTION; static FUNCTION *Function=NULL; static int nFunction=0; static int FunctionSorted=0; static char *Expression=NULL; static char *Token=NULL; static int Type=0; // error handling #define ERROR(n) longjmp(jb,n) jmp_buf jb; char* ErrMsg[] = { "", "Syntax error", "Unbalanced parenthesis", "Division by zero", "Unknown variable", "Unrecognized function", "Wrong number of arguments", "Missing an argument", "Empty expression" }; static void DelResult (RESULT *result) { result->type=0; result->number=0.0; if (result->string) { free (result->string); result->string=NULL; } } static void FreeResult (RESULT *result) { if (result!=NULL) { DelResult(result); free (result); } } static RESULT* NewResult (void) { RESULT *result = malloc(sizeof(RESULT)); if (result==NULL) { error ("cannot allocate result: out of memory!"); return NULL; } result->type=0; result->number=0.0; result->string=NULL; return result; } static RESULT* DupResult (RESULT *result) { RESULT *result2; if ((result2=NewResult())==NULL) return NULL; result2->type=result->type; result2->number=result->number; if (result->string!=NULL) result2->string=strdup(result->string); else result2->string=NULL; return result2; } RESULT* SetResult (RESULT **result, int type, void *value) { if (*result) { DelResult(*result); } else { if ((*result=NewResult())==NULL) return NULL; } if (type==R_NUMBER) { (*result)->type=R_NUMBER; (*result)->number=*(double*)value; (*result)->string=NULL; } else if (type==R_STRING) { (*result)->type=R_STRING; (*result)->string=strdup(value); } else { error ("internal error: invalid result type %d", type); return NULL; } return *result; } double R2N (RESULT *result) { if (result==NULL) { error ("internal error: NULL result"); return 0.0; } if (result->type & R_NUMBER) { return result->number; } if (result->type & R_STRING) { result->type |= R_NUMBER; result->number=atof(result->string); return result->number; } error ("internal error: invalid result type %d", result->type); return 0.0; } char* R2S (RESULT *result) { char buffer[16]; if (result==NULL) { error ("internal error: NULL result"); return NULL; } if (result->type & R_STRING) { return result->string; } if (result->type & R_NUMBER) { sprintf(buffer, "%g", result->number); result->type |= R_STRING; result->string=strdup(buffer); return result->string; } error ("internal error: invalid result type %d", result->type); return NULL; } // bsearch compare function for variables static int v_lookup (const void *a, const void *b) { char *name=(char*)a; VARIABLE *v=(VARIABLE*)b; return strcmp(name, v->name); } // qsort compare function for variables static int v_sort (const void *a, const void *b) { VARIABLE *va=(VARIABLE*)b; VARIABLE *vb=(VARIABLE*)b; return strcmp(va->name, vb->name); } static int DelVariable (char *name) { VARIABLE *V; V=bsearch(name, Variable, nVariable, sizeof(VARIABLE), v_lookup); if (V!=NULL) { FreeResult (V->value); memmove (V, V+1, (nVariable-1)*sizeof(VARIABLE)-(V-Variable)); nVariable--; Variable=realloc(Variable, nVariable*sizeof(VARIABLE)); return 1; } return 0; } static int GetVariable (char *name, RESULT *value) { VARIABLE *V; V=bsearch(name, Variable, nVariable, sizeof(VARIABLE), v_lookup); if (V!=NULL) { value->type=V->value->type; value->number=V->value->number; if (V->value->string!=NULL) value->string=strdup(V->value->string); else value->string=NULL; return 1; } DelResult (value); return 0; } static int SetVariable (char *name, RESULT *value) { VARIABLE *V; V=bsearch(name, Variable, nVariable, sizeof(VARIABLE), v_lookup); if (V!=NULL) { FreeResult (V->value); V->value=DupResult(value); return 1; } // we append the var at the end and re-sort // the whole array. As every SetVariable call // implies a bsearch(), this is ok and cannot // be optimized. nVariable++; Variable=realloc(Variable, nVariable*sizeof(VARIABLE)); Variable[nVariable-1].name=strdup(name); Variable[nVariable-1].value=DupResult(value); qsort(Variable, nVariable, sizeof(VARIABLE), v_sort); return 0; } int AddNumericVariable (char *name, double value) { RESULT result; result.type=R_NUMBER; result.number=value; result.string=NULL; return SetVariable (name, &result); } int AddStringVariable (char *name, char *value) { RESULT result; result.type=R_STRING; result.number=0.0; result.string=strdup(value); return SetVariable (name, &result); } // bsearch compare function for functions static int f_lookup (const void *a, const void *b) { char *name=(char*)a; FUNCTION *f=(FUNCTION*)b; return strcmp(name, f->name); } // qsort compare function for functions static int f_sort (const void *a, const void *b) { FUNCTION *va=(FUNCTION*)a; FUNCTION *vb=(FUNCTION*)b; return strcmp(va->name, vb->name); } static FUNCTION* GetFunction (char *name) { FUNCTION *F; if (!FunctionSorted) { FunctionSorted=1; qsort(Function, nFunction, sizeof(FUNCTION), f_sort); } F=bsearch(name, Function, nFunction, sizeof(FUNCTION), f_lookup); return F; } int AddFunction (char *name, int args, void (*func)()) { // we append the func at the end, and flag // the function table as unsorted. It will be // sorted again on the next GetFunction call. FunctionSorted=0; nFunction++; Function=realloc(Function, nFunction*sizeof(FUNCTION)); Function[nFunction-1].name=strdup(name); Function[nFunction-1].args=args; Function[nFunction-1].func=func; return 0; } // Prototypes static void Level01 (RESULT *result); static void Level02 (RESULT *result); static void Level03 (RESULT *result); static void Level04 (RESULT *result); static void Level05 (RESULT *result); static void Level06 (RESULT *result); static void Level07 (RESULT *result); static void Level08 (RESULT *result); static void Level09 (RESULT *result); static void Level10 (RESULT *result); static void Level11 (RESULT *result); static void Parse (void) { char *start; Type=0; if (Token) { free (Token); Token=NULL; } while (is_blank(*Expression)) Expression++; if (is_delim(*Expression)) { Type=T_DELIMITER; // special case for <=, >=, ==, != if (strchr("<>=!", *Expression)!=NULL && *(Expression+1)=='=') { Token=strndup(Expression, 2); Expression+=2; } else { Token=strndup(Expression, 1); Expression++; } } else if (isdigit(*Expression)) { Type=T_NUMBER; start=Expression; while (is_number(*Expression)) Expression++; Token=strndup(start, Expression-start); } else if (is_name(*Expression)) { Type=T_NAME; start=Expression; while (is_name(*Expression)) Expression++; Token=strndup(start, Expression-start); } else if (*Expression=='\'') { Type=T_STRING; start=++Expression; while (*Expression && *Expression!='\'') Expression++; Token=strndup(start, Expression-start); if (*Expression=='\'') Expression++; } else if (*Expression) { ERROR(E_SYNTAX); } while(is_blank(*Expression)) Expression++; // empty token if (Token==NULL) Token=strdup(""); } // expression lists static void Level01 (RESULT *result) { do { while (*Token==';') Parse(); Level02(result); } while (*Token==';'); } // variable assignments static void Level02 (RESULT *result) { char *name; if (Type==T_NAME) { if (Expression[0]=='=' && Expression[1]!='=') { name=strdup(Token); Parse(); Parse(); if (*Token && *Token!=';') { Level03(result); SetVariable(name, result); } else { DelVariable(name); } free (name); return; } } Level03(result); } // logical 'or' static void Level03 (RESULT *result) { RESULT operand; double value; Level04(result); while(*Token=='|') { Parse(); Level04 (&operand); value = (R2N(result)!=0.0) || (R2N(&operand)!=0.0); SetResult(&result, R_NUMBER, &value); } } // logical 'and' static void Level04 (RESULT *result) { RESULT operand; double value; Level05(result); while(*Token=='&') { Parse(); Level05 (&operand); value = (R2N(result)!=0.0) && (R2N(&operand)!=0.0); SetResult(&result, R_NUMBER, &value); } } // equal, not equal static void Level05 (RESULT *result) { char operator; RESULT operand = {0, 0.0, NULL}; double value; Level06 (result); if (((operator=Token[0])=='=' || operator=='!') && Token[1]=='=') { Parse(); Level06 (&operand); if (operator=='=') value = (R2N(result) == R2N(&operand)); else value = (R2N(result) != R2N(&operand)); SetResult(&result, R_NUMBER, &value); } } // relational operators static void Level06 (RESULT *result) { char operator[2]; RESULT operand = {0, 0.0, NULL}; double value; Level07 (result); if (*Token=='<' || *Token=='>') { operator[0]=Token[0]; operator[1]=Token[1]; Parse(); Level07 (&operand); if (operator[0]=='<') if (operator[1]=='=') value = (R2N(result) <= R2N(&operand)); else value = (R2N(result) < R2N(&operand)); else if (operator[1]=='=') value = (R2N(result) >= R2N(&operand)); else value = (R2N(result) > R2N(&operand)); SetResult(&result, R_NUMBER, &value); } } // addition, subtraction, concatenation static void Level07 (RESULT *result) { char operator; RESULT operand = {0, 0.0, NULL}; double value; Level08(result); while((operator=*Token)=='+' || operator=='-' || operator=='.') { Parse(); Level08 (&operand); if (operator=='+') { value = (R2N(result) + R2N(&operand)); SetResult(&result, R_NUMBER, &value); } else if (operator=='-') { value = (R2N(result) - R2N(&operand)); SetResult(&result, R_NUMBER, &value); } else { char *s1=R2S(result); char *s2=R2S(&operand); char *s3=malloc(strlen(s1)+strlen(s2)+1); strcpy (s3, s1); strcat (s3, s2); SetResult (&result, R_STRING, s3); free (s3); } } } // multiplication, division, modulo static void Level08 (RESULT *result) { char operator; RESULT operand = {0, 0.0, NULL}; double value; Level09 (result); while((operator=*Token)=='*' || operator=='/' || operator=='%') { Parse(); Level09(&operand); if (operator == '*') { value = (R2N(result) * R2N(&operand)); } else if (operator == '/') { if (R2N(&operand) == 0.0) ERROR (E_DIVZERO); value = (R2N(result) / R2N(&operand)); } else { if (R2N(&operand) == 0.0) ERROR (E_DIVZERO); value = fmod(R2N(result), R2N(&operand)); } SetResult(&result, R_NUMBER, &value); } } // x^y static void Level09 (RESULT *result) { RESULT exponent = {0, 0.0, NULL}; double value; Level10 (result); if (*Token == '^') { Parse(); Level10 (&exponent); value = pow(R2N(result), R2N(&exponent)); SetResult(&result, R_NUMBER, &value); } } // unary + or - signs or logical 'not' static void Level10 (RESULT *result) { char sign=0; double value; if (*Token=='+' || *Token=='-' || *Token=='!') { sign=*Token; Parse(); } Level11 (result); if (sign == '-') { value = -R2N(result); SetResult(&result, R_NUMBER, &value); } else if (sign == '!') { value = (R2N(result)==0.0); SetResult(&result, R_NUMBER, &value); } } // literal numbers, variables, functions static void Level11 (RESULT *result) { RESULT *param[10]; if (*Token == '(') { Parse(); if (*Token == ')') ERROR (E_NOARG); Level01(result); if (*Token != ')') ERROR (E_UNBALAN); Parse(); } else { if (Type == T_NUMBER) { double value=atof(Token); SetResult(&result, R_NUMBER, &value); Parse(); } else if (Type == T_STRING) { SetResult(&result, R_STRING, Token); Parse(); } else if (Type == T_NAME) { if (*Expression == '(') { FUNCTION *F=GetFunction(Token); if (F!=NULL) { int n=0; Parse(); // read opening brace do { Parse(); // read argument if (*Token == ',') ERROR (E_NOARG); if (*Token == ')') { // immediately closed when no args if (F->args>0 || n>0) ERROR (E_NOARG); } else { param[n]=NewResult(); Level01(param[n]); n++; } } while (n < 10 && *Token == ','); Parse(); // read closing brace if (F->args<0) { // Function with variable argument list: // pass number of arguments as first parameter F->func(result, n, &param); } else { if (n != F->args) ERROR (E_NUMARGS); F->func(result, param[0], param[1], param[2], param[3], param[4], param[5], param[6], param[7], param[8], param[9]); } // free parameter list while(n-->0) { FreeResult(param[n]); } return; } else { ERROR(E_BADFUNC); } } else { if (!GetVariable(Token, result)) ERROR(E_UNKNOWN); } Parse(); } else { ERROR(E_SYNTAX); } } } int Eval (char* expression, RESULT *result) { int i, err; if ((err=setjmp(jb))) { error ("Error: %s in expression <%s>", ErrMsg[err], expression); return -1; } // maybe sort function table if (!FunctionSorted) { FunctionSorted=1; qsort(Function, nFunction, sizeof(FUNCTION), f_sort); // sanity check: two functions with the same name? for (i=1; i<nFunction; i++) { if (strcmp(Function[i].name, Function[i-1].name)==0) { error ("internal error: Function '%s' defined twice!", Function[i].name); } } } Expression=expression; DelResult (result); Parse(); if (*Token=='\0') ERROR (E_EMPTY); Level01(result); if (*Token!='\0') ERROR (E_SYNTAX); return 0; }