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-rw-r--r--src/tape.c109
1 files changed, 49 insertions, 60 deletions
diff --git a/src/tape.c b/src/tape.c
index 1b1598d..185097b 100644
--- a/src/tape.c
+++ b/src/tape.c
@@ -10,85 +10,74 @@
#include <randstring.c>
#include <bvrcommands.c>
#include <bvrvar.c>
+int bvr_command_processor(FILE * page_source_file, FILE * temp_output_file) {
+ char copy_buffer[COPY_BUFFER_SIZE];
+ copy_buffer[(ftell(page_source_file))% COPY_BUFFER_SIZE] = fgetc(page_source_file);
+ char command_entered = copy_buffer[(ftell(page_source_file))% COPY_BUFFER_SIZE];
+ int command_handler_output = SUCCESS;;
+ // argument_feed = fmemopen (argument_string, strlen (argument_string), "r");
+ switch (command_entered) { // switch command
+ case 'g':
+ command_handler_output = bvr_handle_get(page_source_file, temp_output_file);
+ break;
+ case 's':
+ command_handler_output = bvr_handle_set(page_source_file, temp_output_file);
+ break;
+ case 'i':
+ command_handler_output = bvr_handle_include(page_source_file, temp_output_file);
+ break;
+ case 'm':
+ command_handler_output = bvr_handle_move(page_source_file, temp_output_file);
+ break;
+ case 'b':
+ fprintf(stderr, "bunden %c\n", command_entered);
+ command_handler_output = bvr_handle_info(page_source_file, temp_output_file);
+ break;
+ default:
+ fprintf(stderr, "[tape.c] bvr_command_processor: unknown command %c\n", command_entered);
+ fprintf(temp_output_file, "\nbVerbose unknown command %c\n", command_entered);
+ }
+ if(command_handler_output != SUCCESS) {
+ fprintf(stderr, "[tape.c] bvr_inline_command_processor: command handler for %c returned an error code.\n", command_entered);
+ fprintf(temp_output_file, "\nbVerbose command handler for %c returned an error code.\n", command_entered);
+ return FAILURE;
+ }
+ return SUCCESS;
+
+}
int bvr_inline_command_processor(FILE * page_source_file, FILE * output_file, char copy_buffer[]) {
FILE * temp_output_file = output_file;
int what_to_return = SUCCESS;
- for(int i = 1; i <= OPENING_COMMAND_TAG_LENGTH; i++) {
- copy_buffer[ftell(page_source_file)% COPY_BUFFER_SIZE] = fgetc(page_source_file); // remove opening command tag characters
- }
+ // for(int i = 1; i <= OPENING_COMMAND_TAG_LENGTH; i++) {
+ // copy_buffer[ftell(page_source_file)% COPY_BUFFER_SIZE] = fgetc(page_source_file); // remove opening command tag characters
+ // }
int command_processor_status = WAITING_FOR_COMMAND;
- int argument_length = 0;
+ // int argument_length = 0;
char command_entered;
while(copy_buffer[(ftell(page_source_file)-1)% COPY_BUFFER_SIZE] != CLOSING_COMMAND_TAG_CHAR_1 ||
copy_buffer[ftell(page_source_file)% COPY_BUFFER_SIZE] != CLOSING_COMMAND_TAG_CHAR_2 ||
command_processor_status == PROCESSING_COMMAND) {
copy_buffer[(ftell(page_source_file))% COPY_BUFFER_SIZE] = fgetc(page_source_file);
- if(copy_buffer[(ftell(page_source_file)-2)% COPY_BUFFER_SIZE] == LINE_COMMENT_CHAR && command_processor_status == WAITING_FOR_COMMAND) {
+ if(copy_buffer[(ftell(page_source_file))% COPY_BUFFER_SIZE] == LINE_COMMENT_CHAR && command_processor_status == WAITING_FOR_COMMAND) {
temp_output_file = fopen(THE_VOID, "w");
continue;
}
- if(copy_buffer[(ftell(page_source_file)-2)% COPY_BUFFER_SIZE] == LINE_COMMAND_CHAR && command_processor_status == WAITING_FOR_COMMAND) {
- command_entered = copy_buffer[(ftell(page_source_file)-1)% COPY_BUFFER_SIZE];
- command_processor_status = READING_COMMAND;
- continue;
- }
- if(command_processor_status == READING_COMMAND) {
- if(++argument_length > COPY_BUFFER_SIZE) {
- fprintf(temp_output_file, "\nbVerbose %d bytes till buffer overflow. Decrease argument length (%d), increase COPY_BUFFER_SIZE (%d) or take cover.\n",
- COPY_BUFFER_SIZE-argument_length, argument_length, COPY_BUFFER_SIZE);
- fprintf(stderr, "[tape.c] bvr_inline_command_processor: %d bytes till buffer overflow. Decrease argument length (%d), increase COPY_BUFFER_SIZE (%d) or take cover.\n",
- COPY_BUFFER_SIZE-argument_length, argument_length, COPY_BUFFER_SIZE);
- what_to_return = FAILURE;
- }
- if(copy_buffer[(ftell(page_source_file)-1)% COPY_BUFFER_SIZE] == CLOSING_COMMAND_TAG_CHAR_1 &&
- copy_buffer[ftell(page_source_file)% COPY_BUFFER_SIZE] == CLOSING_COMMAND_TAG_CHAR_2) { // end of arguments!
- char argument_string[argument_length+1];
- for(int i=0; i<argument_length; i++) {
- argument_string[i] = copy_buffer[0+(ftell(page_source_file)-(argument_length-(1+i)))% COPY_BUFFER_SIZE];
- }
- argument_string[argument_length-2] = '\0'; // -2, ker imamo še CLOSING_COMMAND_TAG_CHAR_1 in CLOSING_COMMAND_TAG_CHAR_2
- int command_handler_output = SUCCESS;
- FILE * argument_feed;
- argument_feed = fmemopen (argument_string, strlen (argument_string), "r");
- switch (command_entered) { // switch command
- case 'g':
- command_handler_output = bvr_handle_get(argument_feed, temp_output_file);
- break;
- case 's':
- command_handler_output = bvr_handle_set(argument_feed, temp_output_file);
- break;
- case 'i':
- command_handler_output = bvr_handle_include(argument_feed, temp_output_file);
- break;
- case 'm':
- command_handler_output = bvr_handle_move(argument_feed, temp_output_file);
- break;
- case 'b':
- // fprintf(stderr, "bunden %c\n", command_entered);
- command_handler_output = bvr_handle_info(argument_feed, temp_output_file);
- break;
- default:
- fprintf(stderr, "[tape.c] bvr_inline_command_processor: unknown command %c\n", command_entered);
- fprintf(temp_output_file, "\nbVerbose unknown command %c\n", command_entered);
- }
- if(command_handler_output != SUCCESS) {
- fprintf(stderr, "[tape.c] bvr_inline_command_processor: command handler for %c with argument \"%s\" returned an error code.\n", copy_buffer[(ftell(page_source_file)-(1+argument_length))% COPY_BUFFER_SIZE],
- argument_string);
- fprintf(temp_output_file, "command handler for %c with argument \"%s\" returned an error code.\n", copy_buffer[(ftell(page_source_file)-(1+argument_length))% COPY_BUFFER_SIZE],
- argument_string);
- return FAILURE;
- }
- return SUCCESS;
+ if(copy_buffer[(ftell(page_source_file))% COPY_BUFFER_SIZE] == LINE_COMMAND_CHAR && command_processor_status == WAITING_FOR_COMMAND) {
+ // command_entered = copy_buffer[(ftell(page_source_file)-1)% COPY_BUFFER_SIZE];
+ if(bvr_command_processor(page_source_file, output_file) != SUCCESS) {
+ fprintf(temp_output_file, "\nbVerbose command processor error.\n");
+ fprintf(stderr, "[tape.c] bvr_inline_command_processor: bvr_command_processor returned a non-success status.\n");
}
- }
- // fputc('a', temp_output_file);
+ copy_buffer[ftell(page_source_file)% COPY_BUFFER_SIZE] = '@'; // ker če command handler "poje" @ ne bomo izšli iz while. Nič pa ne
+ } // moti ena dodatna @ v bufferju (hello, future self)
+
if(copy_buffer[(ftell(page_source_file)-1)% COPY_BUFFER_SIZE] == EOF) {
fprintf(temp_output_file, "\nbVerbose syntax error: EOF reached before closing command tag --- stopped with this bvr file\n");
fprintf(stderr, "[tape.c] bvr_inline_command_processor: syntax error: EOF reached before @> --- stopped with this bvr file\n");
return FAILURE;
}
}
- copy_buffer[(ftell(page_source_file)% COPY_BUFFER_SIZE)] = fgetc(page_source_file); // remove closing command tag character
+ // copy_buffer[(ftell(page_source_file)% COPY_BUFFER_SIZE)] = fgetc(page_source_file); // remove closing command tag character
return what_to_return;
}
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