X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fcommon%2Fparse_file.c;fp=src%2Fcommon%2Fparse_file.c;h=8ce20ad55db79c7369225134e73d2f09a5d2b42a;hb=1452d43c6d7c89219cda91362da53ac8e4acb887;hp=50fc30d04f8e467b61341dd2532519c920edc319;hpb=d92f16d5959fc846d3eaf669517eecb3969cda08;p=plomrogue diff --git a/src/common/parse_file.c b/src/common/parse_file.c index 50fc30d..8ce20ad 100644 --- a/src/common/parse_file.c +++ b/src/common/parse_file.c @@ -14,10 +14,11 @@ -/* Set by parse_file(), used by err_line() for more informative messages. */ +/* Set by parse_file(), helps err_line() deciding what to do/output on error. */ static uint32_t err_line_count = 0; static char * err_line_line = NULL; static char * err_line_intro = NULL; +static uint8_t err_line_exit = 1; @@ -54,23 +55,23 @@ extern void parse_file(char * path, void (* token_to_entry) (char *, char *)) char * prefix = "Failed reading config file: \""; char * affix = "\". "; size_t size = strlen(prefix) + strlen(path) + strlen(affix) + 1; - err_line_intro = try_malloc(size, f_name); - int test = snprintf(err_line_intro, size, "%s%s%s", prefix, path, affix); + char * errline_intro = try_malloc(size, f_name); + int test = snprintf(errline_intro, size, "%s%s%s", prefix, path, affix); exit_trouble(test < 0, f_name, "snprintf()"); - exit_err(access(path, F_OK), err_line_intro); + exit_err(access(path, F_OK), errline_intro); FILE * file = try_fopen(path, "r", f_name); uint32_t linemax = textfile_width(file); - err_line_line = try_malloc(linemax + 1, f_name); - err_line_count = 0; + char * errline_line = try_malloc(linemax + 1, f_name); + set_err_line_options(errline_intro, errline_line, 0, 1); err_line(0 == linemax, "File is empty."); char * token0 = NULL; /* For final token_to_entry() if while() stagnates. */ char * token1 = NULL; char * err_val = "No value given."; - while (try_fgets(err_line_line, linemax + 1, file, f_name)) + while (try_fgets(errline_line, linemax + 1, file, f_name)) { err_line_count++; err_line(UINT32_MAX == err_line_count, "Line reaches max lines limit."); - char * line_copy = strdup(err_line_line); + char * line_copy = strdup(errline_line); token0 = token_from_line(line_copy); if (token0) { @@ -82,17 +83,28 @@ extern void parse_file(char * path, void (* token_to_entry) (char *, char *)) } token_to_entry(token0, token1); try_fclose(file, f_name); - free(err_line_line); - free(err_line_intro); + free(errline_line); + free(errline_intro); } -extern void err_line(uint8_t test, char * msg) +extern void set_err_line_options(char * intro, char * line, uint32_t count, + uint8_t exit) +{ + err_line_count = count; + err_line_line = line; + err_line_intro = intro; + err_line_exit = exit; +} + + + +extern uint8_t err_line(uint8_t test, char * msg) { if (!test) { - return; + return 0; } char * f_name = "err_line()"; char * prefix = " Offending line "; @@ -104,7 +116,14 @@ extern void err_line(uint8_t test, char * msg) int ret = snprintf(err, size, "%s%s%s%d%s%s", err_line_intro, msg, prefix, err_line_count, affix, err_line_line); exit_trouble(ret < 0, f_name, "snprintf()"); - exit_err(1, err); + if (err_line_exit) + { + exit_err(1, err); + } + exit_trouble(0 > printf("%s\n", err), f_name, "printf()"); + exit_trouble(EOF == fflush(stdout), f_name, "fflush()"); + free(err); + return 1; } @@ -124,6 +143,10 @@ extern char * token_from_line(char * line) *(--final_char) = '\0'; } } + if (final_char < start) + { + return NULL; + } uint8_t empty = 1; uint32_t i; for (i = 0; '\0' != start[i]; i++) @@ -137,7 +160,7 @@ extern char * token_from_line(char * line) } if (empty) { - return start = NULL; + return NULL; } set_token_end(&start, &limit_char); return start; @@ -145,32 +168,42 @@ extern char * token_from_line(char * line) -extern void parsetest_int(char * string, char type) +extern uint8_t parsetest_int(char * string, char type) { - char * err; - if ('8' == type) - { - err = "Value must be proper representation of unsigned 8 bit integer."; - } - if ('i' == type) - { - err = "Value must be proper representation of signed 16 bit integer."; - } - err_line(strlen(string) < 1, err); + char * err_8 = "Value must represent proper unsigned 8 bit integer."; + char * err_i = "Value must represent proper signed 16 bit integer."; + char * err_u = "Value must represent proper unsigned 16 bit integer."; + char * err_U = "Value must represent proper unsigned 32 bit integer."; + char * err = ('8' == type) ? err_8 : err_U; + err = ('i' == type) ? err_i : err; + err = ('u' == type) ? err_u : err; + uint8_t ret = err_line(strlen(string) < 1, err); uint8_t i; uint8_t test; for (i = 0; '\0' != string[i]; i++) { char * err_many = "Value of too many characters."; - err_line(string[i + 1] && UINT8_MAX == i, err_many); + ret = ret + err_line(string[i + 1] && UINT8_MAX == i, err_many); test = ( (0 == i && ('-' == string[i] || '+' == string[i])) || ('0' <= string[i] && string[i] <= '9')); - err_line(!test, err); + ret = ret + err_line(!test, err); } - err_line(strlen(string) < 2 && ('-' == string[i] || '+' == string[i]), err); - err_line('8'==type && (atoi(string) < 0 || atoi(string) > UINT8_MAX), err); - test = 'i'==type && (atoi(string) < INT16_MIN || atoi(string) > INT16_MAX); - err_line(test, err); + ret = ret + err_line( strlen(string) < 2 + && ('-' == string[i] || '+' == string[i]), err); + test = ( '8' == type + && ( strlen(string) > 4 + || atoi(string) < 0 || atoi(string) > UINT8_MAX)) + || ( 'i' == type + && ( strlen(string) > 6 + || atol(string) < INT16_MIN || atol(string) > INT16_MAX)) + || ( 'u' == type + && ( strlen(string) > 6 + || atoll(string) < 0 || atol(string) > UINT16_MAX)) + || ( 'U' == type + && ( strlen(string) > 11 + || atoll(string) < 0 || atoll(string) > UINT32_MAX)); + ret = ret + err_line(test, err); + return ret; } @@ -182,9 +215,9 @@ extern void parsetest_defcontext(uint8_t flags) -extern void parsetest_singlechar(char * string) +extern uint8_t parsetest_singlechar(char * string) { - err_line(1 != strlen(string), "Value must be single ASCII character."); + return err_line(1 !=strlen(string),"Value must be single ASCII character."); } @@ -222,31 +255,36 @@ extern char * parse_init_entry(uint8_t * flags, size_t size) extern uint8_t parse_val(char * token0, char * token1, char * comparand, - uint8_t * flags, uint8_t set_flag, char type, - char * element) + char type, char * element) { if (!strcmp(token0, comparand)) { - parsetest_defcontext(*flags); - *flags = *flags | set_flag; if ('s' == type) { * (char **) element = strdup(token1); } - else if ('c' == type) + else if ('c' == type && !parsetest_singlechar(token1)) { - parsetest_singlechar(token1); *element = (token1)[0]; } - else if ('8' == type) - { - parsetest_int(token1, '8'); - * (uint8_t *) element = atoi(token1); - } - else if ('i' == type) + else if (!parsetest_int(token1, type)) { - parsetest_int(token1, 'i'); - * (int16_t *) element = atoi(token1); + if ('8' == type) + { + * (uint8_t *) element = atoi(token1); + } + else if ('i' == type) + { + * (int16_t *) element = atoi(token1); + } + else if ('u' == type) + { + * (uint16_t *) element = atol(token1); + } + else if ('U' == type) + { + * (uint32_t *) element = atoll(token1); + } } return 1; } @@ -255,6 +293,21 @@ extern uint8_t parse_val(char * token0, char * token1, char * comparand, +extern uint8_t parse_flagval(char * token0, char * token1, char * comparand, + uint8_t * flags, uint8_t set_flag, char type, + char * element) +{ + if (parse_val(token0, token1, comparand, type, element)) + { + parsetest_defcontext(*flags); + *flags = *flags | set_flag; + return 1; + } + return 0; +} + + + extern void parse_and_reduce_to_readyflag(uint8_t * flags, uint8_t ready_flag) { char * err_fin = "Last definition block not finished yet.";