adds c include style

src/hex.c

@@ -22,7 +22,10 @@ void init_flags(struct flags* flags)
 	flags->decimaloffset = false;
 
 	flags->postscript = false;
+
 	flags->c_style = false;
+	flags->c_filename = NULL;
+	flags->cap_c_style = false;
 }
 
 void init_cols(struct flags* flags)
@@ -132,11 +135,30 @@ static void standard_output(char** text, FILE* stream)
 
 }
 
+static void c_output(char** text, FILE* stream)
+{
+	uint i;
+
+	printf("\t");
+
+	printf("0x");
+	write_octet((*text)[0], (*text)[1], stream);
+	for (i = 2; i < (flags.cols * 2); i += 2) {
+		if ((*text)[i] == ' ')
+			continue;
+		printf(", 0x");
+		write_octet((*text)[i], (*text)[i + 1], stream);
+	}
+}
+
 void display_hex_chunk(hex_chunk_t* chunk, FILE* stream)
 {
 	if (!flags.postscript && !flags.c_style)
 		write_offset(chunk->line * flags.cols, stream);
 
+	if (flags.c_style)
+		c_output(&(chunk->hex), stream);
+	else
 		standard_output(&(chunk->hex), stream);
 
 	if (!flags.postscript && !flags.c_style)

src/include/hex.h

@@ -33,7 +33,10 @@ struct flags {
 	bool decimaloffset; // do decimal offset instead of hex // done
 	
 	bool postscript; // post in plain postscript style
+	
 	bool c_style; // output in C include file style
+	char* c_filename;
+	bool cap_c_style; // capitalize variable names in c style
 };
 
 // TODO: implement flags and stuff

src/main.c

@@ -12,12 +12,16 @@ const char* argp_program_bug_address = "supernovaa41@gmx.com";
 static char doc[] = "Recreation of the GNU util xxd. Creates a hex dump of the given input.";
 static char args_doc[] = "[INFILE [OUTFILE]]";
 static struct argp_option options[] = {
-	{"cols", 'c', "cols", 0, "format <cols> octets per line. Default 16.", 0},
-	{"octets", 'g', "bytes", 0, "number of octets per group in normal output. Default 2.", 0},
-	{"len", 'l', "len", 0, "stop after <len> octets.", 0},
-	{"uppercase", 'u', 0, 0, "use upper case hex letters.", 0},
-	{"decimaloffset", 'd', 0, 0, "show offset in decimal instead of hex.", 0},
+	{0, 'c', "cols", 0, "format <cols> octets per line. Default 16 (-i: 12, -p: 30).", 0},
+	{0, 'g', "bytes", 0, "number of octets per group in normal output. Default 2.", 0},
+	{0, 'l', "len", 0, "stop after <len> octets.", 0},
+	{0, 'u', 0, 0, "use upper case hex letters.", 0},
+	{0, 'd', 0, 0, "show offset in decimal instead of hex.", 0},
 	{"ps", 'p', 0, 0, "output in postscript plain hexdump style.", 0},
+	{0, 'R', "when", 0, "colorize the output; <when> can be 'always' or 'never'. Default: 'always'.", 0},
+	{0, 'i', 0, 0, "output in C include file style.", 0},
+	{0, 'C', 0, 0, "capitalize variable names in C include file style (-i).", 0},
+	{0, 'n', "name", 0, "set the variable name used in C include output (-i).", 0},
 	{0}
 };
 
@@ -25,13 +29,27 @@ static error_t parse_opt(int key, char* arg, struct argp_state* state)
 {
 	struct flags* flags = state->input;
 	switch(key) {
+		case 'C':
+			flags->cap_c_style = true;
+			break;
 		case 'c':
 			flags->cols = atoi(arg);
 			flags->customcols = true;
 			break;
+		case 'n':
+			flags->c_filename = arg;
+			break;
 		case 'g':
 			flags->octets = atoi(arg);
 			break;
+		case 'R':
+			if (strcmp(arg, "none") == 0)
+				flags->coloured = false;
+			else if (strcmp(arg, "always") == 0)
+				flags->coloured = true;
+			else
+			 	flags->coloured = true;
+			break;
 		case 'l':
 			flags->len = atoi(arg);
 			break;
@@ -44,6 +62,11 @@ static error_t parse_opt(int key, char* arg, struct argp_state* state)
 		case 'p':
 			flags->postscript = true;
 			flags->coloured = false;
+			break;
+		case 'i':
+			flags->c_style = true;
+			flags->coloured = false;
+			break;
 		case ARGP_KEY_ARG:
 			if (state->arg_num >= 2)
 				argp_usage(state);
@@ -87,6 +110,9 @@ static void do_text_parse(hex_chunk_t** lines, bool interactive)
 	}
 
 	filesize = (flags.len == -1) ? strlen(file_content) : flags.len;
+
+	flags.len = filesize;
+
 	hex_lines = get_hex_lines(filesize);
 
 	*lines = malloc(sizeof(hex_chunk_t) * (hex_lines + 1));	
@@ -102,11 +128,37 @@ static void do_text_parse(hex_chunk_t** lines, bool interactive)
 	free(file_content);
 }
 
+static char parse_c_char(char c)
+{
+	if (c >= 'A' && c <= 'Z')
+		return c;
+	else if (c >= 'a' && c <= 'z')
+		return (flags.cap_c_style) ? toupper(c) : c;
+	return '_';
+}
+
+static void parse_c_filename(char** text, char** filename)
+{
+	uint i;
+
+	if ((*text)[0] >= '0' && (*text)[0] <= '9')
+		asprintf(filename, "__%c", (*text)[0]); 
+	else
+		asprintf(filename, "%c", parse_c_char((*text)[0]));
+
+	for (i = 1; i < strlen(*text); i++) {
+		asprintf(filename, "%s%c", *filename,
+				parse_c_char((*text)[i]));
+	}
+}
+
 static void do_display(hex_chunk_t** lines)
 {
 	int i;
-	bool fileout = false;
+	char* filename;
 
+
+	bool fileout = false;
 	FILE* stream = stdout;
 
 	if (flags.files[1] != NULL) {
@@ -115,9 +167,25 @@ static void do_display(hex_chunk_t** lines)
 	}
 
 	i = 0;
+	
+	if (flags.c_style) {
+		parse_c_filename((!flags.c_filename) ? &(flags.files[0]) : &(flags.c_filename), 
+				&filename);
+
+		printf("unsigned char %s[] = {\n", filename);
+	}
+
 	while ((*lines)[i].line != -1)
 		display_hex_chunk(&((*lines)[i++]), stream);
 
+	if (flags.c_style) {
+		asprintf(&filename, "%s_%s", filename, (flags.cap_c_style) ? "LEN" : "len");
+
+		printf("};\n");
+		printf("unsigned int %s = %d;\n", filename, flags.len);
+		free(filename);
+	}
+
 	if (fileout)
 		fclose(stream);