/* * 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 static int highlighted = 0; static void echo_version (void) { echo ("xighlight: Terminal syntax highlighter (version 144000)\n"); } static void echo_license (void) { echo ("xighlight: Terminal syntax highlighter (GNU general public license version 3)\n"); } static void highlight_common (void) { /* Should be changed to support basic GCC, Clang, Valgrind and Splint output... */ char * separators = ".,:;<=>+-*/%!&~^?|()[]{}'\" \t\r\n"; if (highlighted != 0) { syntax_delete (); } syntax_define_separators (separators); syntax_define_default (COLOUR_RED, EFFECT_NORMAL, COLOUR_CYAN, EFFECT_BOLD); syntax_define_range ("'", "'", '\\', COLOUR_PINK, EFFECT_BOLD); syntax_define_range ("`", "'", '\\', COLOUR_PINK, EFFECT_BOLD); syntax_define_operators (".,:;<=>+*-/%!&~^?|()[]{}", COLOUR_BLUE, EFFECT_BOLD); (void) syntax_insert (1, 1, "abcdefghijklmnopqrstuvwxyz", syntax_separator, '\0', COLOUR_WHITE, EFFECT_NORMAL); (void) syntax_insert (1, 1, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", syntax_separator, '\0', COLOUR_WHITE, EFFECT_BOLD); (void) syntax_insert (1, 1, "_", syntax_separator, '\0', COLOUR_PINK, EFFECT_BOLD); highlighted = 1; } static void highlight_c (void) { char * separators = ".,:;<=>+-*/%!&~^?|()[]{}'\" \t\r\n"; char * 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" }; if (highlighted != 0) { syntax_delete (); } syntax_define_separators (separators); syntax_define_default (COLOUR_RED, EFFECT_NORMAL, COLOUR_CYAN, EFFECT_BOLD); syntax_define_range ("/*", "*/", '\0', COLOUR_GREY, EFFECT_BOLD); syntax_define_range ("//", "\n", '\0', COLOUR_GREY, EFFECT_BOLD); syntax_define_range ("#", "\n", '\\', COLOUR_PINK, EFFECT_NORMAL); syntax_define_range ("'", "'", '\\', COLOUR_PINK, EFFECT_BOLD); syntax_define_operators (".,:;<=>+*-/%!&~^?|()[]{}", COLOUR_BLUE, EFFECT_BOLD); syntax_define_words (keywords, 32, COLOUR_BLUE, EFFECT_NORMAL); highlighted = 1; } static void highlight_ada (void) { char * separators = ".,:;<=>+-*/&|()\" \t\r\n"; char * keywords [73] = { "abort", "else", "new", "return", "abs", "elsif", "not", "reverse", "abstract", "end", "null", "accept", "entry", "select", "access", "of", "separate", "aliased", "exit", "or", "some", "all", "others", "subtype", "and", "for", "out", "array", "function", "at", "tagged", "generic", "package", "task", "begin", "goto", "pragma", "body", "private", "then", "type", "case", "in", "constant", "until", "is", "raise", "use", "if", "declare", "range", "delay", "limited", "record", "when", "delta", "loop", "rem", "while", "digits", "renames", "with", "do", "mod", "requeue", "xor", "procedure", "protected", "interface", "synchronized", "exception", "overriding", "terminate" }; if (highlighted != 0) { syntax_delete (); } syntax_define_separators (separators); syntax_define_default (COLOUR_RED, EFFECT_NORMAL, COLOUR_CYAN, EFFECT_BOLD); syntax_define_range ("--", "\n", '\0', COLOUR_GREY, EFFECT_BOLD); syntax_define_range ("'", "'", '\0', COLOUR_PINK, EFFECT_BOLD); syntax_define_operators (".,:;<=>+-*/&|()'", COLOUR_BLUE, EFFECT_BOLD); syntax_define_words (keywords, 73, COLOUR_BLUE, EFFECT_NORMAL); highlighted = 1; } static void highlight_cpp (void) { char * separators = ".,:;<=>+-*/%!&~^?|()[]{}'\" \t\r\n"; char * keywords [102] = { "alignas", "alignof", "and", "and_eq", "asm", "atomic_cancel", "atomic_commit", "atomic_noexcept", "auto", "bitand", "bitor", "bool", "break", "case", "catch", "char", "char8_t", "char16_t", "char32_t", "class", "compl", "concept", "const", "consteval", "constexpr", "constinit", "const_cast", "continue", "co_await", "co_return", "co_yield", "decltype", "default", "delete", "do", "double", "dynamic_cast", "else", "enum", "explicit", "export", "extern", "false", "float", "for", "friend", "goto", "if", "inline", "int", "long", "mutable", "namespace", "new", "noexcept", "not", "not_eq", "nullptr", "operator", "or", "or_eq", "private", "protected", "public", "reflexpr", "register", "reinterpret_cast", "requires", "return", "short", "signed", "sizeof", "static", "static_assert", "static_cast", "struct", "switch", "synchronized", "template", "this", "thread_local", "throw", "true", "try", "typedef", "typeid", "typename", "union", "unsigned", "using", "virtual", "void", "volatile", "wchar_t", "while", "xor", "xor_eq", "final", "override", "import", "module", "transaction_safe" }; if (highlighted != 0) { syntax_delete (); } syntax_define_separators (separators); syntax_define_default (COLOUR_RED, EFFECT_NORMAL, COLOUR_CYAN, EFFECT_BOLD); syntax_define_range ("/*", "*/", '\0', COLOUR_GREY, EFFECT_BOLD); syntax_define_range ("//", "\n", '\0', COLOUR_GREY, EFFECT_BOLD); syntax_define_range ("#", "\n", '\\', COLOUR_PINK, EFFECT_NORMAL); syntax_define_range ("'", "'", '\\', COLOUR_PINK, EFFECT_BOLD); syntax_define_operators (".,:;<=>+*-/%!&~^?|()[]{}", COLOUR_BLUE, EFFECT_BOLD); syntax_define_words (keywords, 102, COLOUR_BLUE, EFFECT_NORMAL); highlighted = 1; } int main (int argc, char * * argv) { int offset = 0; int select = 0; int length = 0; char * buffer = NULL; argument_define ("-v", "--version", echo_version); argument_define ("-l", "--license", echo_license); argument_define ("-c", "--c", highlight_c); argument_define ("-a", "--ada", highlight_ada); argument_define ("-C", "--c++", highlight_cpp); if (argc != 1) { argument_select (argc, argv); } if (buffer == NULL) { if (argument_input == NULL) { buffer = record (); } else { select = file_type (argument_input); buffer = file_import (argument_input); } } if (highlighted == 0) { if ((select == FILE_TYPE_C_SOURCE) || (select == FILE_TYPE_C_HEADER)) { highlight_c (); } else if ((select == FILE_TYPE_ADA_BODY) || (select == FILE_TYPE_ADA_SPECIFICATION)) { highlight_ada (); } else if ((select == FILE_TYPE_CPP_SOURCE) || (select == FILE_TYPE_CPP_HEADER)) { highlight_cpp (); } else { highlight_common (); } } for (offset = 0; buffer [offset] != '\0'; offset += length) { select = syntax_select (& buffer [offset], & length); if (select >= syntax_count) { terminal_style (EFFECT_REVERSE, COLOUR_RED); } else { terminal_style (syntax_effect [select], syntax_colour [select]); } out (& buffer [offset], length); terminal_style (-1, -1); } buffer = deallocate (buffer); syntax_delete (); argument_delete (); return (EXIT_SUCCESS); }