Extended language support...

README.md

@@ -1,5 +1,7 @@
 # xighlight
 
+I'm gonna update this, I swear...
+
 xighlight -- Program for highlighting C source code in terminal.
 
 - Quickly written program to test out xtandard and xyntax, doesn't handle files, instead it records from standard input...
@@ -21,8 +23,9 @@ $ sudo sh install.sh
 Using:
 
 ```bash
-$ cat my_c_program.c | xighlight
+$ cat my_c_program.ext | xighlight
-$ xighlight < my_c_program.c
+$ xighlight < my_c_program.ext
+$ xighlight -i my_c_program.ext
 ```
 
 This is what it prints to standard output, when standard input is C source code:

xighlight.c

@@ -9,6 +9,39 @@
 #include <xolatile/xyntax.h>
 #include <xolatile/xyntax.c>
 
+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";
 
@@ -19,7 +52,9 @@ static void highlight_c (void) {
 		"char",             "short",            "int",              "long",             "signed",           "unsigned",         "float",            "double"
 	};
 
-	program_mode = "C highlighting mode\n";
+	if (highlighted != 0) {
+		syntax_delete ();
+	}
 
 	syntax_define_separators (separators);
 
@@ -33,6 +68,8 @@ static void highlight_c (void) {
 	syntax_define_operators (".,:;<=>+*-/%!&~^?|()[]{}", COLOUR_BLUE, EFFECT_BOLD);
 
 	syntax_define_words (keywords, 32, COLOUR_BLUE, EFFECT_NORMAL);
+
+	highlighted = 1;
 }
 
 static void highlight_ada (void) {
@@ -51,7 +88,9 @@ static void highlight_ada (void) {
 		"terminate"
 	};
 
-	program_mode = "Ada highlighting mode\n";
+	if (highlighted != 0) {
+		syntax_delete ();
+	}
 
 	syntax_define_separators (separators);
 
@@ -63,6 +102,8 @@ static void highlight_ada (void) {
 	syntax_define_operators (".,:;<=>+-*/&|()'", COLOUR_BLUE, EFFECT_BOLD);
 
 	syntax_define_words (keywords, 73, COLOUR_BLUE, EFFECT_NORMAL);
+
+	highlighted = 1;
 }
 
 static void highlight_cpp (void) {
@@ -84,7 +125,9 @@ static void highlight_cpp (void) {
 		"xor_eq",           "final",            "override",         "import",           "module",           "transaction_safe"
 	};
 
-	program_mode = "C++ highlighting mode\n";
+	if (highlighted != 0) {
+		syntax_delete ();
+	}
 
 	syntax_define_separators (separators);
 
@@ -98,61 +141,46 @@ static void highlight_cpp (void) {
 	syntax_define_operators (".,:;<=>+*-/%!&~^?|()[]{}", COLOUR_BLUE, EFFECT_BOLD);
 
 	syntax_define_words (keywords, 102, COLOUR_BLUE, EFFECT_NORMAL);
+
+	highlighted = 1;
 }
-/*
-static void highlight_ (void) {
-	char * separators = ".,:;<=>+*-/&|()\" \t\r\n";
 
-	char * keywords [73] = {
-	};
-
-	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);
-}
-*/
 int main (int argc, char * * argv) {
 	int    offset = 0;
 	int    select = 0;
 	int    length = 0;
 	char * buffer = NULL;
 
-	program_name    = "Xighlight -- Syntax highlighting program\n";
+	argument_define ("-v", "--version", echo_version);
-	program_license = "GNU/GPLv3 -- GNU General Public License (version 3)\n";
+	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 == 2) {
+	if (argc != 1) {
-		int type = file_type (argv [1]);
+		argument_select (argc, argv);
-
-		fatal_failure (type == -1, "xighlight: Unknown file type.");
-
-		buffer = file_import (argv [1]);
-
-		if ((type == FILE_TYPE_C_SOURCE) || (type == FILE_TYPE_C_HEADER)) {
-			highlight_c ();
-		} else if ((type == FILE_TYPE_ADA_BODY) || (type == FILE_TYPE_ADA_SPECIFICATION)) {
-			highlight_ada ();
-		} else if ((type == FILE_TYPE_CPP_SOURCE) || (type == FILE_TYPE_CPP_HEADER)) {
-			highlight_cpp ();
-		} else {
-			echo ("0123456789" + type);
-			fatal_failure (1, "Unknown highlighting mode:");
-		}
-	} else {
-		buffer = record ();
-
-		highlight_c ();
 	}
 
-	echo (program_name);
+	if (buffer == NULL) {
-	echo (program_license);
+		if (argument_input == NULL) {
-	echo (program_mode);
+			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);
@@ -172,5 +200,7 @@ int main (int argc, char * * argv) {
 
 	syntax_delete ();
 
+	argument_delete ();
+
 	return (EXIT_SUCCESS);
 }