Hop hop hop...

example/base.c

@@ -1,18 +1,64 @@
-#include <xolatile/xlesses.h>
+#include <xolatile/xtandard.c>
+#include <xolatile/xyntax.c>
 #include <xolatile/xlesses.c>
 
 int main (void) {
+	int    x;
+	int    y;
+	int    offset;
+	int    length;
+	int    select;
+	char * buffer;
+
+	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"
+	};
+
+	(void) syntax_insert (0, 0, "#",                        " ",  '\\', 0XCC33CC, 0);
+	(void) syntax_insert (0, 0, "/*",                       "*/", '\0', 0X333333, 0);
+	(void) syntax_insert (0, 0, "'",                        "'",  '\\', 0XCC1133, 0);
+	(void) syntax_insert (0, 0, "\"",                       "\"", '\\', 0XCC1133, 0);
+	(void) syntax_insert (1, 0, ".,:;<=>+-*/%!&~^?|()[]{}", "",   '\0', 0X1133CC, 0);
+
+	for (offset = 0; offset != 32; ++offset) {
+		(void) syntax_insert (0, 1, c_keywords [offset], separator, '\0', 0XCCCC33, 0);
+	}
+
+	(void) syntax_insert (1, 1, "0123456789", separator, '\0', 0X33CCCC, 0);
+
+	(void) syntax_insert (1, 1, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_", separator, '\0', 0XCCCCCC, 0);
+
+	buffer = file_import ("./example/base.c");
+
 	blesses_initialize ();
 
 	while (blesses_active != 0) {
-		blesses_render_string    ("Heyo world!", 8, 0, 0XCC6633, 0X3366CC);
-		blesses_render_character ('@',           8, 8, 0X3366CC, 0XCC6633);
-		blesses_render_character ('@',           0, 0, 0X3366CC, 0XCC6633);
+		x = 0;
+		y = 0;
+
+		blesses_render_background_colour (0X111111);
+
+		for (offset = 0; buffer [offset] != '\0'; offset += length) {
+			select = syntax_select (& buffer [offset], & length);
+
+			if (y >= 50 * BLESSES_FONT_WIDTH) break;
+
+			blesses_render_string_limit (& buffer [offset], length, & x, & y, syntax_colour [select], 0X111111);
+		}
 
 		blesses_synchronize ();
 	}
 
 	blesses_deinitialize ();
 
+	buffer = deallocate (buffer);
+
+	syntax_delete ();
+
 	return (EXIT_SUCCESS);
 }

xlesses.c

@@ -12,8 +12,8 @@
 #include <xolatile/xlesses.h>
 
 char * blesses_window_title    = "xolatile";
-int    blesses_window_width    = 640;
-int    blesses_window_height   = 480;
+int    blesses_window_width    = 1800;
+int    blesses_window_height   = 900;
 int    blesses_active          = 1;
 int    blesses_cursor_x        = 0;
 int    blesses_cursor_y        = 0;
@@ -126,7 +126,6 @@ void blesses_synchronize (void) {
 			}
 		} break;
 		default: {
-			echo ("--\n");
 		} break;
 	}
 
@@ -140,6 +139,16 @@ void blesses_synchronize (void) {
 	log_out ();
 }
 
+void blesses_render_background_colour (int colour) {
+	int x, y;
+
+	for (y = 0; y != blesses_window_height / 2; ++y) {
+		for (x = 0; x != blesses_window_width / 2; ++x) {
+			blesses_sub_framebuffer [y * (blesses_window_width / 2) + x] = 0XFF000000 | colour;
+		}
+	}
+}
+
 void blesses_render_character (char character, int x, int y, int foreground, int background) {
 	const unsigned long int font_code ['~' - ' ' + 1] = {
 		0X0000000000000000, 0X00180018183C3C18, 0X0000000000363636, 0X006C6CFE6CFE6C6C, 0X00187ED07C16FC30, 0X0060660C18306606, 0X00DC66B61C36361C, 0X0000000000181818,
@@ -156,11 +165,18 @@ void blesses_render_character (char character, int x, int y, int foreground, int
 		0X00663C183C660000, 0X3C607C6666660000, 0X007E0C18307E0000, 0X003018180E181830, 0X0018181818181818, 0X000C18187018180C, 0X000000000062D68C, 0X0000000000000000
 	};
 
-	int offset = 0;
+	int offset;
 
-	log_in (LOG_WARNING, blesses_sub_framebuffer == NULL,    "blesses : render_character : Sub framebuffer was not allocated.");
-	log_in (LOG_WARNING, blesses_framebuffer     == NULL,    "blesses : render_character : Framebuffer was not allocated.");
-	log_in (LOG_WARNING, character_is_invisible (character), "blesses : render_character : Character is not in visible ASCII range.");
+	if ((x <= -1) || (x >= blesses_window_width  / 2 - BLESSES_FONT_WIDTH))  return;
+	if ((y <= -1) || (y >= blesses_window_height / 2 - BLESSES_FONT_HEIGHT)) return;
+
+	log_in (LOG_WARNING, blesses_sub_framebuffer == NULL,                  "blesses : render_character : Sub framebuffer was not allocated.");
+	log_in (LOG_WARNING, blesses_framebuffer     == NULL,                  "blesses : render_character : Framebuffer was not allocated.");
+	log_in (LOG_WARNING, character_is_invisible (character),               "blesses : render_character : Character is not in visible ASCII range.");
+	log_in (LOG_WARNING, x <= -1,                                          "blesses : render_character : X position is under lower limit.");
+	log_in (LOG_WARNING, y <= -1,                                          "blesses : render_character : Y position is under lower limit.");
+	log_in (LOG_WARNING, x >= blesses_window_width  - BLESSES_FONT_WIDTH,  "blesses : render_character : X position is above upper limit.");
+	log_in (LOG_WARNING, y >= blesses_window_height - BLESSES_FONT_HEIGHT, "blesses : render_character : Y position is above upper limit.");
 
 	for (offset = 0; offset != BLESSES_FONT_WIDTH * BLESSES_FONT_HEIGHT; ++offset) {
 		int u = offset / BLESSES_FONT_WIDTH + y;
@@ -172,21 +188,25 @@ void blesses_render_character (char character, int x, int y, int foreground, int
 	log_out ();
 }
 
-void blesses_render_string (char * string, int x, int y, int foreground, int background) {
-	int offset = 0;
+void blesses_render_string_limit (char * string, int limit, int * x, int * y, int foreground, int background) {
+	int offset;
 
-	do {
+	for (offset = 0; offset != limit; ++offset) {
 		if (string [offset] == '\t') {
-			x += BLESSES_FONT_WIDTH * BLESSES_FONT_TABULATOR;
+			* x += BLESSES_FONT_WIDTH * BLESSES_FONT_TABULATOR;
 		} else if (string [offset] == '\n') {
-			y += BLESSES_FONT_HEIGHT;
-			x *= 0;
+			* y += BLESSES_FONT_HEIGHT;
+			* x *= 0;
 		} else {
-			blesses_render_character (string [offset], x, y, foreground, background);
+			blesses_render_character (string [offset], * x, * y, foreground, background);
+
+			* x += BLESSES_FONT_WIDTH;
 		}
+	}
+}
 
-		x += BLESSES_FONT_WIDTH;
-	} while (++offset != string_length (string));
+void blesses_render_string (char * string, int * x, int * y, int foreground, int background) {
+	blesses_render_string_limit (string, string_length (string), x, y, foreground, background);
 }
 
 #endif

xlesses.h

@@ -45,7 +45,11 @@ extern void blesses_initialize   (void);
 extern void blesses_deinitialize (void);
 extern void blesses_synchronize  (void);
 
-extern void blesses_render_character (char,   int, int, int, int);
-extern void blesses_render_string    (char *, int, int, int, int);
+extern void blesses_render_background_colour (int);
+
+extern void blesses_render_character (char, int, int, int, int);
+
+extern void blesses_render_string_limit (char *, int, int *, int *, int, int);
+extern void blesses_render_string       (char *,      int *, int *, int, int);
 
 #endif