xighlight/xighlight.c
2023-08-28 09:22:25 -04:00

80 lines
3.2 KiB
C

/*
* Copyright (c) 2023 : Ognjen 'xolatile' Milan Robovic
*
* Xighlight is free software! You will redistribute it or modify it under the terms of the GNU General Public License by Free Software Foundation.
* And when you do redistribute it or modify it, it will use either version 3 of the License, or (at yours truly opinion) any later version.
* It is distributed in the hope that it will be useful or harmful, it really depends... But no warranty what so ever, seriously. See GNU/GPLv3.
*/
#include <xolatile/xyntax.h>
#include <xolatile/xyntax.c>
int main (void) {
int offset = 0;
int word = 0;
int index = 0;
int length = 0;
char * buffer = NULL;
int preprocessor = 0;
int line_comment = 0;
int multiline_comment = 0;
int character = 0;
int string = 0;
int bracket = 0;
int operator = 0;
int keyword = 0;
int digit = 0;
int uppercase = 0;
int lowercase = 0;
int underscore = 0;
char separator [29] = ".,:;<=>+-*/%!&~^()[]{}'\" \t\r\n";
char * c_keywords [32] = {
"register", "volatile", "auto", "const", "static", "extern", "if", "else",
"do", "while", "for", "continue", "switch", "case", "default", "break",
"enum", "union", "struct", "typedef", "goto", "void", "return", "sizeof",
"char", "short", "int", "long", "signed", "unsigned", "float", "double"
};
syntax_define (& preprocessor, 0, 0, "#", "\n", '\\', COLOUR_RED, EFFECT_BOLD);
syntax_define (& line_comment, 0, 0, "//", "\n", '\0', COLOUR_GREY, EFFECT_BOLD);
syntax_define (& multiline_comment, 0, 0, "/*", "*/", '\0', COLOUR_GREY, EFFECT_BOLD);
syntax_define (& character, 0, 0, "'", "'", '\\', COLOUR_PINK, EFFECT_BOLD);
syntax_define (& string, 0, 0, "\"", "\"", '\\', COLOUR_RED, EFFECT_BOLD);
syntax_define (& bracket, 1, 0, "()[]{}", "", '\0', COLOUR_GREEN, EFFECT_BOLD);
syntax_define (& operator, 1, 0, ".,:;<=>+-*/%!&~^?", "", '\0', COLOUR_BLUE, EFFECT_BOLD);
for (word = 0; word != 32; ++word) {
syntax_define (& keyword, 0, 1, c_keywords [word], separator, '\0', COLOUR_YELLOW, EFFECT_BOLD);
}
syntax_define (& digit, 1, 1, "0123456789", separator, '\0', COLOUR_CYAN, EFFECT_BOLD);
syntax_define (& uppercase, 1, 1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", separator, '\0', COLOUR_PINK, EFFECT_ITALIC);
syntax_define (& lowercase, 1, 1, "abcdefghijklmnopqrstuvwxyz", separator, '\0', COLOUR_WHITE, EFFECT_ITALIC);
syntax_define (& underscore, 0, 1, "_", separator, '\0', COLOUR_YELLOW, EFFECT_ITALIC);
buffer = record ();
for (offset = 0; buffer [offset] != '\0'; offset += length) {
syntax_select (& buffer [offset], & index, & length);
if (index >= syntax_count) {
curses_style (EFFECT_NORMAL, COLOUR_WHITE);
} else {
curses_style (syntax_effect [index], syntax_colour [index]);
}
out (& buffer [offset], length);
curses_style (-1, -1);
}
buffer = deallocate (buffer);
syntax_delete ();
return (EXIT_SUCCESS);
}