X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fclient%2Fcommand_db.c;h=ef84c493fb42f1f04c886d323c61d0bfafd67388;hb=c53b42dfc7e4de104f9189428dd5b9a0d431c00a;hp=699eb468217dacf912a03b991014a67d53fc474a;hpb=a8097b8fef09444ebac0f1e2d3ffc4e621557b28;p=plomrogue diff --git a/src/client/command_db.c b/src/client/command_db.c index 699eb46..ef84c49 100644 --- a/src/client/command_db.c +++ b/src/client/command_db.c @@ -1,88 +1,109 @@ /* src/client/command_db.c */ +#define _POSIX_C_SOURCE 200809L /* strdup() */ #include "command_db.h" -#include /* uint8_t, uint32_t */ -#include /* FILE */ +#include /* NULL */ +#include /* uint8_t */ #include /* free() */ -#include /* memcpy(), strlen(), strtok(), strcmp() */ -#include "../common/readwrite.h" /* try_fopen(), try_fclose(), try_fgets() - * textfile_sizes() - */ -#include "../common/rexit.h" /* for exit_err() */ +#include /* memset(), strcmp(), strdup() */ +#include "../common/parse_file.h" /* EDIT_STARTED, parse_file(), set_val(), + * token_from_line(), err_line() + */ #include "../common/try_malloc.h" /* try_malloc() */ -#include "cleanup.h" /* set_cleanup_flag() */ +#include "array_append.h" /* array_append() */ #include "world.h" /* global world */ +#include "cleanup.h" /* set_cleanup_flag() */ + + + +/* Flags for defining state of command DB config file entries. */ +enum cmd_flag +{ + DESC_SET = 0x02, + SERVERCMD_SET = 0x04, + SERVERARG_SET = 0x08, + READY_CMD = DESC_SET +}; -/* Point "ch_ptr" to next strtok() string in "line" delimited by "delim".*/ -static void copy_tokenized_string(char * line, char ** ch_ptr, char * delim); +/* Get tokens from "context" and, by their order (in the individual context and + * in subsequent calls of this function), interpret them as data to write into + * the CommandDB. + * + * Individual CommandDB entries are put together line by line before being + * written. Writing happens after all necessary members of an entry have been + * assembled, and when additionally a) a new entry is started by a + * context->token0 of "COMMAND"; or b) a NULL context->token0 is passed. + */ +static void tokens_into_entries(char * token0, char * token1); -static void copy_tokenized_string(char * line, char ** ch_ptr, char * delim) +static void tokens_into_entries(char * token0, char * token1) { - char * f_name = "copy_tokenized_string()"; - char * dsc_ptr = strtok(line, delim); - * ch_ptr = try_malloc(strlen(dsc_ptr) + 1, f_name); - memcpy(* ch_ptr, dsc_ptr, strlen(dsc_ptr) + 1); + char * f_name = "tokens_into_entries()"; + char * str_cmd = "COMMAND"; + static uint8_t cmd_flags = READY_CMD; + static struct Command * cmd = NULL; + if (!token0 || !strcmp(token0, str_cmd)) + { + char * err_fin = "Last definition block not finished yet."; + err_line((cmd_flags & READY_CMD) ^ READY_CMD, err_fin); + if (cmd) + { + array_append(world.commandDB.n, sizeof(struct Command), + (void *) cmd, (void **) &world.commandDB.cmds); + world.commandDB.n++; + free(cmd); + cmd = NULL; + } + } + err_line(token0 && NULL != token_from_line(NULL), "Too many values."); + if (token0 && !strcmp(token0, str_cmd)) + { + char * err_uniq = "Declaration of ID already used."; + cmd_flags = EDIT_STARTED; + cmd = try_malloc(sizeof(struct Command), f_name); + memset(cmd, 0, sizeof(struct Command)); + cmd->dsc_short = strdup(token1); + err_line(NULL != get_command(cmd->dsc_short), err_uniq); + } + else if ( token0 + && !( set_val(token0, token1, "DESCRIPTION", &cmd_flags, + DESC_SET, 's', (char *) &cmd->dsc_long) + || set_val(token0, token1, "SERVER_COMMAND", &cmd_flags, + SERVERCMD_SET, 's', (char *) &cmd->server_msg) + || set_val(token0, token1, "SERVER_ARGUMENT", &cmd_flags, + SERVERARG_SET, 'c', (char *) &cmd->arg))) + { + err_line(1, "Unknown arguemnt."); + } } extern struct Command * get_command(char * dsc_short) { - struct Command * cmd_ptr = world.cmd_db.cmds; + struct Command * cmd_ptr = world.commandDB.cmds; uint8_t i = 0; - while (i < world.cmd_db.n) + while (i < world.commandDB.n) { if (0 == strcmp(dsc_short, cmd_ptr->dsc_short)) { - break; + return cmd_ptr; } cmd_ptr = &cmd_ptr[1]; i++; } - char * err_start = "get_command_data() failed on request for: "; - char err[strlen(err_start) + strlen(dsc_short) + 1]; - sprintf(err, "%s%s", err_start, dsc_short); - exit_err(i == world.cmd_db.n, err); - return cmd_ptr; + return NULL; } extern void init_command_db() { - char * f_name = "init_command_db()"; - char * path = "confclient/commands"; - FILE * file = try_fopen(path, "r", f_name); - uint32_t lines; - uint32_t linemax = textfile_sizes(file, &lines); - char line[linemax + 1]; - world.cmd_db.cmds = try_malloc(lines * sizeof(struct Command), f_name); - uint8_t i = 0; - char * delim = " "; - while (try_fgets(line, linemax + 1, file, f_name)) - { - if ('\n' == line[0] || 0 == line[0]) - { - break; - } - copy_tokenized_string(line, &world.cmd_db.cmds[i].dsc_short, delim); - copy_tokenized_string(NULL, &world.cmd_db.cmds[i].server_msg, delim); - if (!strcmp("0", world.cmd_db.cmds[i].server_msg)) - { - free(world.cmd_db.cmds[i].server_msg); - world.cmd_db.cmds[i].server_msg = NULL; - } - char * arg_string = strtok(NULL, delim); - world.cmd_db.cmds[i].arg = arg_string[0]; - copy_tokenized_string(NULL, &world.cmd_db.cmds[i].dsc_long, "\n"); - i++; - } - try_fclose(file, f_name); - world.cmd_db.n = lines; + parse_file(world.path_commands, tokens_into_entries); set_cleanup_flag(CLEANUP_COMMANDS); } @@ -91,12 +112,12 @@ extern void init_command_db() extern void free_command_db() { uint8_t i = 0; - while (i < world.cmd_db.n) + while (i < world.commandDB.n) { - free(world.cmd_db.cmds[i].dsc_short); - free(world.cmd_db.cmds[i].dsc_long); - free(world.cmd_db.cmds[i].server_msg); + free(world.commandDB.cmds[i].dsc_short); + free(world.commandDB.cmds[i].dsc_long); + free(world.commandDB.cmds[i].server_msg); i++; } - free(world.cmd_db.cmds); + free(world.commandDB.cmds); }