diff --git a/xighlight.c b/xighlight.c index d725e7a..56d12fd 100644 --- a/xighlight.c +++ b/xighlight.c @@ -1,62 +1,75 @@ +/* + * 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 #include 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" + "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" }; - char * c_preprocessor [8] = { - "#include", "#define", "#ifdef", "#ifndef", "#undef", "#elif", "#if", "#endif" - }; + 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); - char * c_common [4] = { - "NULL", "FILE", "size_t", "ssize_t" - }; + for (word = 0; word != 32; ++word) { + syntax_define (& keyword, 0, 1, c_keywords [word], separator, '\0', COLOUR_YELLOW, EFFECT_BOLD); + } - syntax_define (0, 0, 0, "#", "\n", '\\', TERMINAL_COLOUR_RED, TERMINAL_EFFECT_BOLD); - syntax_define (0, 0, 0, "/*", "*/", '\0', TERMINAL_COLOUR_GREY, TERMINAL_EFFECT_BOLD); - syntax_define (0, 0, 0, "//", "\n", '\0', TERMINAL_COLOUR_GREY, TERMINAL_EFFECT_BOLD); - syntax_define (0, 0, 0, "'", "'", '\\', TERMINAL_COLOUR_PINK, TERMINAL_EFFECT_BOLD); - syntax_define (0, 0, 0, "\"", "\"", '\\', TERMINAL_COLOUR_RED, TERMINAL_EFFECT_BOLD); - syntax_define (0, 1, 0, "()[]{}", "", '\0', TERMINAL_COLOUR_GREEN, TERMINAL_EFFECT_BOLD); - syntax_define (0, 1, 0, ".,:;<=>+-*/%!&~^", "", '\0', TERMINAL_COLOUR_BLUE, TERMINAL_EFFECT_BOLD); - - do { - syntax_define (0, 0, 1, c_keywords [word], separator, '\0', TERMINAL_COLOUR_YELLOW, TERMINAL_EFFECT_BOLD); - } while (++word != 32); - - word = 0; - - do { - syntax_define (0, 0, 1, c_preprocessor [word], separator, '\0', TERMINAL_COLOUR_YELLOW, TERMINAL_EFFECT_NORMAL); - } while (++word != 8); - - word = 0; - - do { - syntax_define (0, 0, 1, c_common [word], separator, '\0', TERMINAL_COLOUR_YELLOW, TERMINAL_EFFECT_ITALIC); - } while (++word != 4); - - syntax_define (0, 1, 1, "0123456789", separator, '\0', TERMINAL_COLOUR_CYAN, TERMINAL_EFFECT_BOLD); - syntax_define (0, 1, 1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", separator, '\0', TERMINAL_COLOUR_PINK, TERMINAL_EFFECT_ITALIC); - syntax_define (0, 1, 1, "abcdefghijklmnopqrstuvwxyz", separator, '\0', TERMINAL_COLOUR_WHITE, TERMINAL_EFFECT_ITALIC); - syntax_define (0, 0, 1, "_", separator, '\0', TERMINAL_COLOUR_YELLOW, TERMINAL_EFFECT_ITALIC); + 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 (); - do { - offset += syntax_output (& buffer [offset]); - } while (buffer [offset] != '\0'); + 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);