113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
#include <stdio.h>
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#include <string.h>
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#include "xapp.h"
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static int copyToken(TOKEN *tokens, int index, TOKEN_TYPE type, const char *text, int length);
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int tokenizeInput(const char *cursor, TOKEN *tokens)
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{
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const char *marker, *token;
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int i;
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for (i = 0; *cursor && i < TOKENS; )
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{
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token = cursor;
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/*!re2c
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re2c:define:YYCTYPE = "char";
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re2c:define:YYCURSOR = cursor;
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re2c:define:YYMARKER = marker;
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re2c:variable:yych = c;
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re2c:indent:top = 2;
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re2c:yyfill:enable = 0;
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re2c:yych:conversion = 1;
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BELL = "\x07" ;
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BACKSPACE = "\x08" ;
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HORIZONTAL_TAB = "\x09" ;
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LINE_FEED = "\x0a" ;
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VERTICAL_TAB = "\x0b" ;
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FORM_FEED = "\x0c" ;
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CARRIAGE_RETURN = "\x0d" ;
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ESCAPE = "\x1b" ;
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DELETE = "\x7f" ;
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SPACE = "\x20" ;
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EXCLAMATION_MARK = "\x21" ;
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QUOTATION_MARK = "\x22" ;
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NUMBER_SIGN = "\x23" ;
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DOLLAR_SIGN = "\x24" ;
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PERCENT_SIGN = "\x25" ;
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AMPERSAND = "\x26" ;
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APOSTROPHE = "\x27" ;
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LEFT_PARENTHESIS = "\x28" ;
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RIGHT_PARENTHESIS = "\x29" ;
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ASTERISK = "\x2a" ;
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PLUS_SIGN = "\x2b" ;
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COMMA = "\x2c" ;
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HYPHEN_MINUS = "\x2d" ;
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FULL_STOP = "\x2e" ;
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SOLIDUS = "\x2f" ;
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COLON = "\x3a" ;
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SEMICOLON = "\x3b" ;
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LESS_THAN_SIGN = "\x3c" ;
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EQUALS_SIGN = "\x3d" ;
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GREATER_THAN_SIGN = "\x3e" ;
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QUESTION_MARK = "\x3f" ;
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COMMERCIAL_AT = "\x40" ;
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LEFT_SQUARE_BRACKET = "\x5b" ;
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REVERSE_SOLIDUS = "\x5c" ;
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RIGHT_SQUARE_BRACKET = "\x5d" ;
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CIRCUMFLEX_ACCENT = "\x5e" ;
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LOW_LINE = "\x5f" ;
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GRAVE_ACCENT = "\x60" ;
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LEFT_CURLY_BRACKET = "\x7b" ;
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VERTICAL_LINE = "\x7c" ;
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RIGHT_CURLY_BRACKET = "\x7d" ;
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TILDE = "\x7e" ;
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DIGIT = [0-9] ;
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LETTER = [A-Za-z] ;
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WHITE_SPACE = BELL | BACKSPACE | HORIZONTAL_TAB | ESCAPE | DELETE | SPACE ;
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VALID = DIGIT | LETTER | EXCLAMATION_MARK | DOLLAR_SIGN | PERCENT_SIGN | AMPERSAND
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| LEFT_PARENTHESIS | RIGHT_PARENTHESIS | ASTERISK | PLUS_SIGN | HYPHEN_MINUS
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| FULL_STOP | SOLIDUS | LESS_THAN_SIGN | EQUALS_SIGN | GREATER_THAN_SIGN
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| LOW_LINE | VERTICAL_LINE | TILDE | WHITE_SPACE ;
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COMMAND = LOW_LINE [Ss][Ee][Tt] LOW_LINE [Vv] WHITE_SPACE* LEFT_PARENTHESIS WHITE_SPACE* QUOTATION_MARK VALID+ QUOTATION_MARK WHITE_SPACE* RIGHT_PARENTHESIS ;
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DEFAULT = . ;
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END_OF_LINE = ( LINE_FEED | VERTICAL_TAB | FORM_FEED | CARRIAGE_RETURN )+ ;
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COMMAND { i = copyToken(tokens, i, TT_COMMAND, token, (int)(cursor - token)); continue; }
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DEFAULT { i = copyToken(tokens, i, TT_DEFAULT, token, (int)(cursor - token)); continue; }
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WHITE_SPACE { i = copyToken(tokens, i, TT_WHITE_SPACE, token, (int)(cursor - token)); continue; }
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END_OF_LINE { i = copyToken(tokens, i, TT_END_OF_LINE, token, (int)(cursor - token)); continue; }
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*/
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}
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return i;
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}
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int copyToken(TOKEN *tokens, int index, TOKEN_TYPE type, const char *text, int length)
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{
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if (index < TOKENS)
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{
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int i;
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tokens[index].type = type;
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for (i = 0; i < length && i + 1 < TOKEN_LEN; ++i)
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tokens[index].text[i] = text[i];
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tokens[index].text[i] = '\0';
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++index;
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}
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return index;
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}
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