4 files changed, 169 insertions, 14 deletions

diff --git a/src/bvr.h b/src/bvr.h
index 27ae526..abcd0cf 100644
--- a/src/bvr.h
+++ b/src/bvr.h
@@ -26,6 +26,8 @@
 #define BVR_INITIAL_VARIABLES_COUNT 128
 #define BVR_MAX_VARIABLE_SIZE 128
 #define BVR_UNDEFINED "BVR_UNDEFINED"
+#define BVR_ARRAY_INDEX_CHAR '['
+#define BVR_ARRAY_AFTER_INDEX "]"
 
 char bvr_variables[BVR_INITIAL_VARIABLES_COUNT*2][BVR_MAX_VARIABLE_SIZE];
 int bvr_bvrvar_first_time_set = 1;
diff --git a/src/bvrcommands.c b/src/bvrcommands.c
index 9484e49..a3c5dba 100644
--- a/src/bvrcommands.c
+++ b/src/bvrcommands.c
@@ -272,11 +272,19 @@ int bvr_handle_equals(FILE * input, FILE * output) {
 	int return_value = 0;
 	char * string1 = bvr_var_get(item);
 	char * string2 = bvr_var_get(value);
+	uuid_t binuuid;
+	uuid_generate_random(binuuid);
+	char uuid[37];
+	char outputst[2];
+	outputst[1] = '\0';
+	uuid_unparse(binuuid, uuid);
 	if(strcmp(string1, string2) == 0) {
-		fprintf(output, "1");
+		outputst[0] = '1';
 	} else {
-		fprintf(output, "0");
+		outputst[0] = '0';
 	}
+	return_value = bvr_var_set(uuid, outputst);
+	fprintf(output, "%s", uuid);
 	free(item);
 	free(value);
 	item = NULL;
@@ -338,6 +346,142 @@ int bvr_handle_if(FILE * input, FILE * output) { // ?f 1 <@this is all executed@
 	}
 	return return_value;
 }
+int bvr_handle_while(FILE * input, FILE * output) {
+	char chars_to_break_value[69] = " ";
+	strlcat(chars_to_break_value, BVR_CHARS_TO_BREAK_VALUE, sizeof(chars_to_break_value));
+	char * item = bvr_commands_get_value(input, chars_to_break_value);
+	int return_value = 0;
+	char input_char = fgetc(input);
+	char previous_char = 'a';
+	char * string1 = bvr_var_get(item);
+	FILE * codestream;
+	int depth = -1; // to increase to 0 after first <@
+	int we_re_in_a_comment = 0;
+	char * code = malloc(sizeof(char)*2);
+	size_t code_index = 0;
+	size_t read_index = 0;
+	int in_string = 0;
+	while(1) {
+		if((input_char == BVR_CLOSING_COMMAND_TAG_CHAR_2 && previous_char == BVR_CLOSING_COMMAND_TAG_CHAR_1 && depth == 0 &&
+				we_re_in_a_comment == 0 && in_string == 0)) {
+			break;
+		}
+		if(previous_char == BVR_OPENING_COMMAND_TAG_CHAR_1 && input_char == BVR_OPENING_COMMAND_TAG_CHAR_2) {
+			depth++;
+		} // this šubidubi doesn't account for <@ and @> in strings.
+		if(previous_char == BVR_CLOSING_COMMAND_TAG_CHAR_1 && input_char== BVR_CLOSING_COMMAND_TAG_CHAR_2) {
+			depth--;
+		}
+		if(previous_char == LINE_COMMAND_CHAR && input_char == BVR_BREAK_STRING_CHAR) {
+			in_string = 1;
+		}
+		if (previous_char != BVR_ESCAPE_CHAR && input_char == BVR_BREAK_STRING_CHAR && in_string == 1) {
+			in_string = 0;
+		}
+		if(previous_char == BVR_NEWLINE_CHAR && input_char == LINE_COMMENT_CHAR) {
+			we_re_in_a_comment = 1;
+		}
+		if(we_re_in_a_comment && input_char == BVR_NEWLINE_CHAR) {
+			we_re_in_a_comment = 0;
+		}
+		previous_char = input_char;
+		input_char = fgetc(input);
+		read_index++;
+		if (read_index >= 2) {
+			code[code_index++] = input_char;
+			code[code_index] = '\0';
+		}
+		code = realloc(code, sizeof(char)*(2+code_index));
+		if (code == NULL) {
+			fprintf(stderr, "segmentation fault caught (?) in bvr_handle_while, expect killing of the process soon. there was also a memory leak of around %lu bytes.\n", code_index+2);
+			return_value = FAILURE;
+			goto criticalfuckery;
+		}
+	}
+	code[strlen(code)-2] = '\0';
+	code_index -= 2;
+	codestream = fmemopen(code, code_index, "r");
+	while (atoi(string1) > 0) { /* basically the whole logic */
+		rewind(codestream);
+		// fprintf(stderr, "debug: %s\n", code);
+		return_value = return_value != SUCCESS ? return_value : bvr_compose_stream(codestream, output);
+		string1 = bvr_var_get(item);
+	}
+	fclose(codestream);
+	criticalfuckery:
+	free(item);
+	item = NULL;
+	fflush(output);
+	return return_value;
+}
+int bvr_handle_math(FILE * input, FILE * output) {
+	char operation = fgetc(input);
+	int return_value = SUCCESS;
+	char chars_to_break_value[69] = " ";
+	strlcat(chars_to_break_value, BVR_CHARS_TO_BREAK_VALUE, sizeof(chars_to_break_value));
+	char * item = bvr_commands_get_value(input, chars_to_break_value);
+	char * value = bvr_commands_get_value(input, chars_to_break_value);
+	long long int stvar1 = strtoll(bvr_var_get(item), NULL, 10);
+	long long int stvar2 = strtoll(bvr_var_get(value), NULL, 10);
+	char numberplaceholder[69];
+	switch (operation) {
+		case '+':
+			stvar1 += stvar2;
+			break;
+		case '-':
+			stvar1 -= stvar2;
+			break;
+		case '*':
+			stvar1 *= stvar2;
+			break;
+		case '/':
+			if (stvar2 == 0) {
+				return_value = FAILURE;
+				fprintf(stderr, "division with zero is illegal, prevented, but raised an error. setting to highest value possible.\n");
+				stvar1 = LLONG_MAX;
+			} else {
+				stvar1 /= stvar2;
+			}
+			break;
+		default:
+			return_value = FAILURE;
+			break;
+	}
+	snprintf(numberplaceholder, 69-1, "%lld", stvar1);
+	return_value = bvr_var_set(item, numberplaceholder);
+	free(item);
+	free(value);
+	item = NULL;
+	value = NULL;
+	return return_value;
+}
+int bvr_handle_explode(FILE * input, FILE * output) {
+	char chars_to_break_value[69] = " ";
+	strlcat(chars_to_break_value, BVR_CHARS_TO_BREAK_VALUE, sizeof(chars_to_break_value));
+	char * item = bvr_commands_get_value(input, chars_to_break_value);
+	char * value = bvr_commands_get_value(input, chars_to_break_value);
+	int return_value = SUCCESS;
+	char * string1 = bvr_var_get(item);
+	char * string2 = bvr_var_get(value);
+	char * token;
+	char * rest = string1;
+	char * charpointer;
+	int index = strlen(item);
+	item[index++] = '[';
+	item[index] = '\0';
+	index = 0;
+	while ((token = strtok_r(rest, string2, &rest))) {
+		charpointer = strrchr(item, BVR_ARRAY_INDEX_CHAR);
+		snprintf(charpointer+1, (BVR_MAX_VARIABLE_SIZE-(charpointer-string1))-4, "%d" BVR_ARRAY_AFTER_INDEX, index++);
+		return_value = return_value != SUCCESS ? return_value : bvr_var_set(charpointer, token); // če je bila prej napaka pač ne poskušamo več!
+	}
+	free(item);
+	free(value);
+	item = NULL;
+	value = NULL;
+	fflush(output);
+	return return_value;
+}
 int bvr_handle_info(FILE * input, FILE * output) {
 	// fprintf(stderr, "[bvrcommands.c] bvr_handle_info: bvr bVerbose HTPCMS %d.%d.%d\n", BVR_VER_MAJOR, BVR_VER_MINOR, BVR_VER_PATCH);
 	fprintf(output, "\nbvr bVerbose HTPCMS %d.%d.%d\n", BVR_VER_MAJOR, BVR_VER_MINOR, BVR_VER_PATCH);
diff --git a/src/bvrvar.c b/src/bvrvar.c
index 97b54b7..9e405ec 100644
--- a/src/bvrvar.c
+++ b/src/bvrvar.c
@@ -40,7 +40,7 @@ int bvr_var_set(char * item, char * value) {
 			return SUCCESS;
 		}
   }
-	fprintf(stderr, "[bvrvar.c] bvr_set: no more space on the variable stack for %s. Increase BVR_INITIAL_VARIABLES_COUNT (%d).", item, BVR_INITIAL_VARIABLES_COUNT);
+	fprintf(stderr, "[bvrvar.c] bvr_set: no more space on the variable stack for %s. Increase BVR_INITIAL_VARIABLES_COUNT (%d).\n", item, BVR_INITIAL_VARIABLES_COUNT);
 	return FAILURE;
 }
 
@@ -51,6 +51,6 @@ int bvr_var_mv(char * item, char * newname) {
 			return SUCCESS;
 		}
 	}
-	fprintf(stderr, "[bvrvar.c] bvr_mv: variable %s not found!", item);
+	fprintf(stderr, "[bvrvar.c] bvr_mv: variable %s not found!\n", item);
 	return FAILURE;
 }
diff --git a/src/tape.c b/src/tape.c
index 0492313..88d1950 100644
--- a/src/tape.c
+++ b/src/tape.c
@@ -17,31 +17,40 @@ int bvr_command_processor(FILE * page_source_file, FILE * temp_output_file) {
 	int command_handler_output = SUCCESS;;
 	// argument_feed = fmemopen (argument_string, strlen (argument_string), "r");
 	switch (command_entered) { // switch command
-		case 'g':
+		case 'g': /* et */
 			command_handler_output = bvr_handle_get(page_source_file, temp_output_file);
 			break;
-		case 's':
+		case 's': /* et */
 			command_handler_output = bvr_handle_set(page_source_file, temp_output_file);
 			break;
-		case 'i':
+		case 'i': /* nclude */
 			command_handler_output = bvr_handle_include(page_source_file, temp_output_file);
 			break;
-		case 'm':
+		case 'm': /* ove */
 			command_handler_output = bvr_handle_move(page_source_file, temp_output_file);
 			break;
-		case 'f':
+		case 'f': /* i_ */
 			command_handler_output = bvr_handle_if(page_source_file, temp_output_file);
 			break;
-		case '=':
+		case '=': /*  */
 			command_handler_output = bvr_handle_equals(page_source_file, temp_output_file);
 			break;
-		case '"':
+		case '"': /*  */
 			command_handler_output = bvr_handle_string(page_source_file, temp_output_file);
 			break;
-		case 'u':
+		case 'u': /* s_bstring*/
 			command_handler_output = bvr_handle_substring(page_source_file, temp_output_file);
 			break;
-		case 'b':
+		case 'w': /* hile */
+			command_handler_output = bvr_handle_while(page_source_file, temp_output_file);
+			break;
+		case 'e': /* xplode */
+			command_handler_output = bvr_handle_explode(page_source_file, temp_output_file);
+			break;
+		case 'r': /* ačunanje */
+			command_handler_output = bvr_handle_math(page_source_file, temp_output_file);
+			break;
+		case 'b': /* unden */
 			// fprintf(stderr, "bunden %c\n", command_entered);
 			command_handler_output = bvr_handle_info(page_source_file, temp_output_file);
 			break;
@@ -133,7 +142,7 @@ int bvr_compose_stream(FILE * page_source_file, FILE * temp_output_file) {
 		// 	continue;
 		// }
 		if(copy_buffer[ftell(page_source_file)% COPY_BUFFER_SIZE] == EOF) {
-			fputc('\n', temp_output_file); // NO POMEGRANTES! NO! NO! NO! NO POMEGRANTES!
+			fputc(' ', temp_output_file); // NO POMEGRANTES! NO! NO! NO! NO POMEGRANTES!
 			break;
 		}
 		if (cycles++ != 0) { // da ne napišemo prvega znaka bufferja, preden je sploh kaj v bufferju.