From a0ce6d4fef17b68ee7371035d51c79c320021365 Mon Sep 17 00:00:00 2001 From: xolatile Date: Tue, 15 Aug 2023 16:32:00 -0400 Subject: [PATCH] Extendable buffer... --- src/main.c | 458 +++++++++++++++++++++++++++++++------------------------------ 1 file changed, 231 insertions(+), 227 deletions(-) diff --git a/src/main.c b/src/main.c index 97f483c..1482e3d 100644 --- a/src/main.c +++ b/src/main.c @@ -3,12 +3,10 @@ #include #include #include - -#define BB (7817) - + enum { NORMAL, BOLD, DARKNESS, ITALIC, UNDERLINE, BLINK, DUNNO_6, REVERSE, INVISIBLE }; enum { GREY, RED, GREEN, YELLOW, BLUE, PINK, CYAN, WHITE, CANCEL }; - + static int colour_short_comment = GREY; static int colour_long_comment = GREY; static int colour_short_string = PINK; @@ -18,7 +16,7 @@ static int colour_number = CYAN; static int colour_keyword = YELLOW; static int colour_preprocessor = YELLOW; static int colour_default = WHITE; - + static int effect_short_comment = BOLD; static int effect_long_comment = BOLD; static int effect_short_string = BOLD; @@ -28,267 +26,273 @@ static int effect_number = BOLD; static int effect_keyword = BOLD; static int effect_preprocessor = BOLD; static int effect_default = BOLD; - -static char buffer [BB] = ""; - + +static char * buffer = NULL; + +static unsigned long int buffer_size = 0; + static void render_character ( - char character + char character ) { - putchar (character); + putchar (character); } - + static void render_string ( - char * string + char * string ) { - while (* string) render_character (* string++); + while (* string) render_character (* string++); } - + static void render_colour ( - int colour, - int effect + int colour, + int effect ) { - if (colour == CANCEL) { - render_string ("\033[0m"); - return; - } - - render_string ("\033["); - render_character ((char) (effect % 9) + '0'); - render_string (";3"); - render_character ((char) (colour % 8) + '0'); - render_character ('m'); + if (colour == CANCEL) { + render_string ("\033[0m"); + return; + } + + render_string ("\033["); + render_character ((char) (effect % 9) + '0'); + render_string (";3"); + render_character ((char) (colour % 8) + '0'); + render_character ('m'); } - + static int is_space ( - char character + char character ) { - if ((character == ' ') || (character == '\t') || (character == '\r') || (character == '\n')) { - return (1); - } else { - return (0); - } + if ((character == ' ') || (character == '\t') || (character == '\r') || (character == '\n')) { + return (1); + } else { + return (0); + } } - + static int is_separator ( - char character + char character ) { - if ((character == ' ') || (character == '\t') || (character == '\r') || (character == '\n') || - (character == '+') || (character == '-') || (character == '*') || (character == '/') || - (character == '(') || (character == ')') || (character == '[') || (character == ']') || - (character == '{') || (character == '}') || (character == '<') || (character == '>') || - (character == ';') || (character == ':') || (character == ',') || (character == '.') || - (character == '!') || (character == '&') || (character == '|') || (character == '?') || - (character == '~') || (character == '^') || (character == '%') || (character == '=')) { - return (1); - } else { - return (0); - } + if ((character == ' ') || (character == '\t') || (character == '\r') || (character == '\n') || + (character == '+') || (character == '-') || (character == '*') || (character == '/') || + (character == '(') || (character == ')') || (character == '[') || (character == ']') || + (character == '{') || (character == '}') || (character == '<') || (character == '>') || + (character == ';') || (character == ':') || (character == ',') || (character == '.') || + (character == '!') || (character == '&') || (character == '|') || (character == '?') || + (character == '~') || (character == '^') || (character == '%') || (character == '=')) { + return (1); + } else { + return (0); + } } - + static int compare_multiple_strings ( - char * string, - const char * * strings, - const int count + char * string, + const char * * strings, + const int count ) { - int i = 0; - - do { - if (strcmp (string, strings [i]) == 0) { - return (1); - } - ++i; - } while (i != count); - - return (0); + int i = 0; + + do { + if (strcmp (string, strings [i]) == 0) { + return (1); + } + ++i; + } while (i != count); + + return (0); } - + static int render_short_comment ( - int data_offset + int data_offset ) { - render_colour (colour_short_comment, effect_short_comment); - - do { - render_character (buffer [data_offset]); - ++data_offset; - } while ((buffer [data_offset] != '\n') && (buffer [data_offset] != '\0')); - - render_character (buffer [data_offset]); - ++data_offset; - - return (data_offset); + render_colour (colour_short_comment, effect_short_comment); + + do { + render_character (buffer [data_offset]); + ++data_offset; + } while ((buffer [data_offset] != '\n') && (buffer [data_offset] != '\0')); + + render_character (buffer [data_offset]); + ++data_offset; + + return (data_offset); } - + static int render_long_comment ( - int data_offset + int data_offset ) { - render_colour (colour_long_comment, effect_long_comment); - - do { - render_character (buffer [data_offset]); - ++data_offset; - } while (((buffer [data_offset] != '/') || - (buffer [data_offset - 1] != '*')) && - (buffer [data_offset] != '\0')); - - render_character (buffer [data_offset]); - ++data_offset; - - return (data_offset); + render_colour (colour_long_comment, effect_long_comment); + + do { + render_character (buffer [data_offset]); + ++data_offset; + } while (((buffer [data_offset] != '/') || + (buffer [data_offset - 1] != '*')) && + (buffer [data_offset] != '\0')); + + render_character (buffer [data_offset]); + ++data_offset; + + return (data_offset); } - + static int render_short_string ( - int data_offset + int data_offset ) { - render_colour (colour_short_string, effect_short_string); - - do { - render_character (buffer [data_offset]); - ++data_offset; - if (buffer [data_offset - 1] == '\\') { - render_character (buffer [data_offset]); - ++data_offset; - } - } while ((buffer [data_offset] != '\'') && (buffer [data_offset] != '\0')); - - render_character (buffer [data_offset]); - ++data_offset; - - return (data_offset); + render_colour (colour_short_string, effect_short_string); + + do { + render_character (buffer [data_offset]); + ++data_offset; + if (buffer [data_offset - 1] == '\\') { + render_character (buffer [data_offset]); + ++data_offset; + } + } while ((buffer [data_offset] != '\'') && (buffer [data_offset] != '\0')); + + render_character (buffer [data_offset]); + ++data_offset; + + return (data_offset); } - + static int render_long_string ( - int data_offset + int data_offset ) { - render_colour (colour_long_string, effect_long_string); - - do { - render_character (buffer [data_offset]); - ++data_offset; - if (buffer [data_offset - 1] == '\\') { - render_character (buffer [data_offset]); - ++data_offset; - } - } while ((buffer [data_offset] != '"') && (buffer [data_offset] != '\0')); - - render_character (buffer [data_offset]); - ++data_offset; - - return (data_offset); + render_colour (colour_long_string, effect_long_string); + + do { + render_character (buffer [data_offset]); + ++data_offset; + if (buffer [data_offset - 1] == '\\') { + render_character (buffer [data_offset]); + ++data_offset; + } + } while ((buffer [data_offset] != '"') && (buffer [data_offset] != '\0')); + + render_character (buffer [data_offset]); + ++data_offset; + + return (data_offset); } - + static int render_separator ( - int data_offset + int data_offset ) { - if (is_space (buffer [data_offset]) != 0) { - render_colour (WHITE, NORMAL); - } else { - render_colour (colour_separator, effect_separator); - } - - render_character (buffer [data_offset]); - ++data_offset; - - return (data_offset); + if (is_space (buffer [data_offset]) != 0) { + render_colour (WHITE, NORMAL); + } else { + render_colour (colour_separator, effect_separator); + } + + render_character (buffer [data_offset]); + ++data_offset; + + return (data_offset); } - + static int render_number ( - int data_offset + int data_offset ) { - render_colour (colour_number, effect_number); - - do { - render_character (buffer [data_offset]); - ++data_offset; - } while ((is_separator (buffer [data_offset]) == 0) && (buffer [data_offset] != '\0')); - - return (data_offset); + render_colour (colour_number, effect_number); + + do { + render_character (buffer [data_offset]); + ++data_offset; + } while ((is_separator (buffer [data_offset]) == 0) && (buffer [data_offset] != '\0')); + + return (data_offset); } - + static int render_word ( - int data_offset + int data_offset ) { - const 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" - }; - - const char * preprocessor_keywords [16] = { - "#include", "#pragma", "#define", "#undef", "#ifdef", "#ifndef", "#elifdef", "#elifndef", - "#if", "#elif", "#else", "#endif", "#embed", "#line", "#error", "#warning" - }; - - char * word = NULL; - - int i = 0; - - do { - word = realloc (word, sizeof (* word) * (unsigned long int) (i + 1)); - word [i] = buffer [data_offset + i]; - ++i; - } while ((is_separator (buffer [data_offset + i]) == 0) && (buffer [data_offset + i] != '\0')); - - word = realloc (word, sizeof (* word) * (unsigned long int) (i + 1)); - word [i] = '\0'; - - if (compare_multiple_strings (word, c_keywords, 32) != 0) { - render_colour (colour_keyword, effect_keyword); - } else if (compare_multiple_strings (word, preprocessor_keywords, 16) != 0) { - render_colour (colour_preprocessor, effect_preprocessor); - } else { - render_colour (colour_default, effect_default); - } - - do { - render_character (buffer [data_offset]); - ++data_offset; - } while ((is_separator (buffer [data_offset]) == 0) && (buffer [data_offset] != '\0')); - - return (data_offset); + const 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" + }; + + const char * preprocessor_keywords [16] = { + "#include", "#pragma", "#define", "#undef", "#ifdef", "#ifndef", "#elifdef", "#elifndef", + "#if", "#elif", "#else", "#endif", "#embed", "#line", "#error", "#warning" + }; + + char * word = NULL; + + int i = 0; + + do { + word = realloc (word, sizeof (* word) * (unsigned long int) (i + 1)); + word [i] = buffer [data_offset + i]; + ++i; + } while ((is_separator (buffer [data_offset + i]) == 0) && (buffer [data_offset + i] != '\0')); + + word = realloc (word, sizeof (* word) * (unsigned long int) (i + 1)); + word [i] = '\0'; + + if (compare_multiple_strings (word, c_keywords, 32) != 0) { + render_colour (colour_keyword, effect_keyword); + } else if (compare_multiple_strings (word, preprocessor_keywords, 16) != 0) { + render_colour (colour_preprocessor, effect_preprocessor); + } else { + render_colour (colour_default, effect_default); + } + + do { + render_character (buffer [data_offset]); + ++data_offset; + } while ((is_separator (buffer [data_offset]) == 0) && (buffer [data_offset] != '\0')); + + return (data_offset); } - + int main ( - int argc, - char * * argv + int argc, + char * * argv ) { - int offset = 0; - int i = 0; - - if (argc != 1) { - (void) argv; - puts ("ARGUMENTS \"Heyo world!\""); - return (-1); - } - - printf (""); - - do { - buffer [i] = (char) fgetc(stdin); - ++i; - } while ((buffer [i] != '\0') || (i != BB)); - - /* Checking if long comments work... */ - // Checking if long comments work... - - while (buffer [offset] != '\0') { - if ((buffer [offset] == '/') && (buffer [offset + 1] == '/')) { - offset = render_short_comment (offset); - } else if ((buffer [offset] == '/') && (buffer [offset + 1] == '*')) { - offset = render_long_comment (offset); - } else if (buffer [offset] == '\'') { - offset = render_short_string (offset); - } else if (buffer [offset] == '"') { - offset = render_long_string (offset); - } else if (is_separator (buffer [offset]) != 0) { - offset = render_separator (offset); - } else if ((buffer [offset] >= '0') && (buffer [offset] <= '9')) { - offset = render_number (offset); - } else { - offset = render_word (offset); - } - render_colour (CANCEL, NORMAL); - } - - return (0); + int offset = 0; + + if (argc != 1) { + (void) argv; + puts ("ARGUMENTS \"Heyo world!\""); + return (-1); + } + + do { + ++buffer_size; + buffer = realloc (buffer, buffer_size); + read (STDIN_FILENO, & buffer [buffer_size - 1], sizeof (* buffer)); + } while ((buffer [buffer_size] != '\0') || (buffer_size != 10000)); + + ++buffer_size; + buffer = realloc (buffer, buffer_size); + buffer [buffer_size] = '\0'; + + /* Checking if long comments work... */ + // Checking if long comments work... + + while (buffer [offset] != '\0') { + if ((buffer [offset] == '/') && (buffer [offset + 1] == '/')) { + offset = render_short_comment (offset); + } else if ((buffer [offset] == '/') && (buffer [offset + 1] == '*')) { + offset = render_long_comment (offset); + } else if (buffer [offset] == '\'') { + offset = render_short_string (offset); + } else if (buffer [offset] == '"') { + offset = render_long_string (offset); + } else if (is_separator (buffer [offset]) != 0) { + offset = render_separator (offset); + } else if ((buffer [offset] >= '0') && (buffer [offset] <= '9')) { + offset = render_number (offset); + } else { + offset = render_word (offset); + } + render_colour (CANCEL, NORMAL); + } + + free (buffer); + + return (0); }