// returns M_OPT_... error code int m_config_parse_mp_command_line(m_config_t *config, struct playlist *files, struct mpv_global *global, char **argv) { int ret = M_OPT_UNKNOWN; int mode = 0; struct playlist_entry *local_start = NULL; int local_params_count = 0; struct playlist_param *local_params = 0; assert(config != NULL); mode = GLOBAL; struct parse_state p = {config, argv}; while (split_opt(&p)) { if (p.is_opt) { int flags = M_SETOPT_FROM_CMDLINE; if (mode == LOCAL) flags |= M_SETOPT_BACKUP | M_SETOPT_CHECK_ONLY; int r = m_config_set_option_ext(config, p.arg, p.param, flags); if (r == M_OPT_EXIT) { ret = r; goto err_out; } else if (r < 0) { MP_FATAL(config, "Setting command line option '--%.*s=%.*s' failed.\n", BSTR_P(p.arg), BSTR_P(p.param)); goto err_out; } // Handle some special arguments outside option parser. if (!bstrcmp0(p.arg, "{")) { if (mode != GLOBAL) { MP_ERR(config, "'--{' can not be nested.\n"); goto err_out; } mode = LOCAL; assert(!local_start); local_start = files->last; continue; } if (!bstrcmp0(p.arg, "}")) { if (mode != LOCAL) { MP_ERR(config, "Too many closing '--}'.\n"); goto err_out; } if (local_params_count) { // The files added between '{' and '}' are the entries from // the entry _after_ local_start, until the end of the list. // If local_start is NULL, the list was empty on '{', and we // want all files in the list. struct playlist_entry *cur = local_start ? local_start->next : files->first; if (!cur) MP_WARN(config, "Ignored options!\n"); while (cur) { playlist_entry_add_params(cur, local_params, local_params_count); cur = cur->next; } } local_params_count = 0; mode = GLOBAL; m_config_restore_backups(config); local_start = NULL; continue; } if (bstrcmp0(p.arg, "playlist") == 0) { // append the playlist to the local args char *param0 = bstrdup0(NULL, p.param); struct playlist *pl = playlist_parse_file(param0, global); talloc_free(param0); if (!pl) { MP_FATAL(config, "Error reading playlist '%.*s'\n", BSTR_P(p.param)); goto err_out; } playlist_transfer_entries(files, pl); talloc_free(pl); continue; } if (mode == LOCAL) { MP_TARRAY_APPEND(NULL, local_params, local_params_count, (struct playlist_param) {p.arg, p.param}); }
// Load options and profiles from from a config file. // conffile: path to the config file // initial_section: default section where to add normal options // flags: M_SETOPT_* bits // returns: 1 on sucess, -1 on error, 0 if file not accessible. int m_config_parse_config_file(m_config_t *config, const char *conffile, char *initial_section, int flags) { #define PRINT_LINENUM MP_ERR(config, "%s:%d: ", conffile, line_num) #define MAX_LINE_LEN 10000 #define MAX_OPT_LEN 1000 #define MAX_PARAM_LEN 1500 FILE *fp = NULL; char *line = NULL; char opt[MAX_OPT_LEN + 1]; char param[MAX_PARAM_LEN + 1]; char c; /* for the "" and '' check */ int tmp; int line_num = 0; int line_pos; /* line pos */ int opt_pos; /* opt pos */ int param_pos; /* param pos */ int ret = 1; int errors = 0; m_profile_t *profile = m_config_add_profile(config, initial_section); flags = flags | M_SETOPT_FROM_CONFIG_FILE; MP_VERBOSE(config, "Reading config file %s\n", conffile); if (config->recursion_depth > MAX_RECURSION_DEPTH) { MP_ERR(config, "Maximum 'include' nesting depth exceeded.\n"); ret = -1; goto out; } if ((line = malloc(MAX_LINE_LEN + 1)) == NULL) { ret = -1; goto out; } else MP_VERBOSE(config, "\n"); if ((fp = fopen(conffile, "r")) == NULL) { MP_VERBOSE(config, "Can't open config file: %s\n", strerror(errno)); ret = 0; goto out; } while (fgets(line, MAX_LINE_LEN, fp)) { if (errors >= 16) { MP_FATAL(config, "too many errors\n"); goto out; } line_num++; line_pos = 0; /* skip BOM */ if (strncmp(line, "\xEF\xBB\xBF", 3) == 0) line_pos += 3; /* skip whitespaces */ while (mp_isspace(line[line_pos])) ++line_pos; /* EOL / comment */ if (line[line_pos] == '\0' || line[line_pos] == '#') continue; /* read option. */ for (opt_pos = 0; mp_isprint(line[line_pos]) && line[line_pos] != ' ' && line[line_pos] != '#' && line[line_pos] != '='; /* NOTHING */) { opt[opt_pos++] = line[line_pos++]; if (opt_pos >= MAX_OPT_LEN) { PRINT_LINENUM; MP_ERR(config, "option name too long\n"); errors++; ret = -1; goto nextline; } } if (opt_pos == 0) { PRINT_LINENUM; MP_ERR(config, "parse error\n"); ret = -1; errors++; continue; } opt[opt_pos] = '\0'; /* Profile declaration */ if (opt_pos > 2 && opt[0] == '[' && opt[opt_pos - 1] == ']') { opt[opt_pos - 1] = '\0'; profile = m_config_add_profile(config, opt + 1); continue; } /* skip whitespaces */ while (mp_isspace(line[line_pos])) ++line_pos; param_pos = 0; bool param_set = false; /* check '=' */ if (line[line_pos] == '=') { line_pos++; param_set = true; /* whitespaces... */ while (mp_isspace(line[line_pos])) ++line_pos; /* read the parameter */ if (line[line_pos] == '"' || line[line_pos] == '\'') { c = line[line_pos]; ++line_pos; for (param_pos = 0; line[line_pos] != c; /* NOTHING */) { param[param_pos++] = line[line_pos++]; if (param_pos >= MAX_PARAM_LEN) { PRINT_LINENUM; MP_ERR(config, "option %s has a too long parameter\n", opt); ret = -1; errors++; goto nextline; } } line_pos++; /* skip the closing " or ' */ goto param_done; } if (line[line_pos] == '%') { char *start = &line[line_pos + 1]; char *end = start; unsigned long len = strtoul(start, &end, 10); if (start != end && end[0] == '%') { if (len >= MAX_PARAM_LEN - 1 || strlen(end + 1) < len) { PRINT_LINENUM; MP_ERR(config, "bogus %% length\n"); ret = -1; errors++; goto nextline; } param_pos = snprintf(param, sizeof(param), "%.*s", (int)len, end + 1); line_pos += 1 + (end - start) + 1 + len; goto param_done; } } for (param_pos = 0; mp_isprint(line[line_pos]) && !mp_isspace(line[line_pos]) && line[line_pos] != '#'; /* NOTHING */) { param[param_pos++] = line[line_pos++]; if (param_pos >= MAX_PARAM_LEN) { PRINT_LINENUM; MP_ERR(config, "too long parameter\n"); ret = -1; errors++; goto nextline; } } param_done: while (mp_isspace(line[line_pos])) ++line_pos; } param[param_pos] = '\0'; /* EOL / comment */ if (line[line_pos] != '\0' && line[line_pos] != '#') { PRINT_LINENUM; MP_ERR(config, "extra characters: %s\n", line + line_pos); ret = -1; } bstr bopt = bstr0(opt); bstr bparam = bstr0(param); if (bopt.len >= 3) bstr_eatstart0(&bopt, "--"); if (profile && bstr_equals0(bopt, "profile-desc")) { m_profile_set_desc(profile, bparam); goto nextline; } bool need_param = m_config_option_requires_param(config, bopt) > 0; if (need_param && !param_set) { PRINT_LINENUM; MP_ERR(config, "error parsing option %.*s=%.*s: %s\n", BSTR_P(bopt), BSTR_P(bparam), m_option_strerror(M_OPT_MISSING_PARAM)); continue; } if (profile) { tmp = m_config_set_profile_option(config, profile, bopt, bparam); } else { tmp = m_config_set_option_ext(config, bopt, bparam, flags); } if (tmp < 0) { PRINT_LINENUM; MP_ERR(config, "setting option %.*s='%.*s' failed.\n", BSTR_P(bopt), BSTR_P(bparam)); continue; /* break */ } nextline: ; } out: free(line); if (fp) fclose(fp); config->recursion_depth -= 1; if (ret < 0) { MP_FATAL(config, "Error loading config file %s.\n", conffile); } return ret; }
/** \param config The config object. * \param conffile Path to the config file. * \return 1 on sucess, -1 on error, 0 if file not accessible. */ int m_config_parse_config_file(m_config_t *config, const char *conffile) { #define PRINT_LINENUM mp_msg(MSGT_CFGPARSER, MSGL_ERR, "%s:%d: ", conffile, line_num) #define MAX_LINE_LEN 10000 #define MAX_OPT_LEN 1000 #define MAX_PARAM_LEN 1500 FILE *fp = NULL; char *line = NULL; char opt[MAX_OPT_LEN + 1]; char param[MAX_PARAM_LEN + 1]; char c; /* for the "" and '' check */ int tmp; int line_num = 0; int line_pos; /* line pos */ int opt_pos; /* opt pos */ int param_pos; /* param pos */ int ret = 1; int errors = 0; m_profile_t *profile = NULL; mp_msg(MSGT_CFGPARSER, MSGL_V, "Reading config file %s", conffile); if (recursion_depth > MAX_RECURSION_DEPTH) { mp_msg(MSGT_CFGPARSER, MSGL_ERR, ": too deep 'include'. check your configfiles\n"); ret = -1; goto out; } if ((line = malloc(MAX_LINE_LEN + 1)) == NULL) { mp_msg(MSGT_CFGPARSER, MSGL_FATAL, "\ncan't get memory for 'line': %s", strerror(errno)); ret = -1; goto out; } else mp_msg(MSGT_CFGPARSER, MSGL_V, "\n"); if ((fp = fopen(conffile, "r")) == NULL) { mp_msg(MSGT_CFGPARSER, MSGL_V, ": %s\n", strerror(errno)); ret = 0; goto out; } while (fgets(line, MAX_LINE_LEN, fp)) { if (errors >= 16) { mp_msg(MSGT_CFGPARSER, MSGL_FATAL, "too many errors\n"); goto out; } line_num++; line_pos = 0; /* skip whitespaces */ while (isspace(line[line_pos])) ++line_pos; /* EOL / comment */ if (line[line_pos] == '\0' || line[line_pos] == '#') continue; /* read option. */ for (opt_pos = 0; isprint(line[line_pos]) && line[line_pos] != ' ' && line[line_pos] != '#' && line[line_pos] != '='; /* NOTHING */) { opt[opt_pos++] = line[line_pos++]; if (opt_pos >= MAX_OPT_LEN) { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too long option\n"); errors++; ret = -1; goto nextline; } } if (opt_pos == 0) { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "parse error\n"); ret = -1; errors++; continue; } opt[opt_pos] = '\0'; /* Profile declaration */ if (opt_pos > 2 && opt[0] == '[' && opt[opt_pos - 1] == ']') { opt[opt_pos - 1] = '\0'; if (strcmp(opt + 1, "default")) profile = m_config_add_profile(config, opt + 1); else profile = NULL; continue; } /* skip whitespaces */ while (isspace(line[line_pos])) ++line_pos; param_pos = 0; bool param_set = false; /* check '=' */ if (line[line_pos] == '=') { line_pos++; param_set = true; /* whitespaces... */ while (isspace(line[line_pos])) ++line_pos; /* read the parameter */ if (line[line_pos] == '"' || line[line_pos] == '\'') { c = line[line_pos]; ++line_pos; for (param_pos = 0; line[line_pos] != c; /* NOTHING */) { param[param_pos++] = line[line_pos++]; if (param_pos >= MAX_PARAM_LEN) { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "option %s has a too long parameter\n", opt); ret = -1; errors++; goto nextline; } } line_pos++; /* skip the closing " or ' */ } else { for (param_pos = 0; isprint(line[line_pos]) && !isspace(line[line_pos]) && line[line_pos] != '#'; /* NOTHING */) { param[param_pos++] = line[line_pos++]; if (param_pos >= MAX_PARAM_LEN) { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too long parameter\n"); ret = -1; errors++; goto nextline; } } } while (isspace(line[line_pos])) ++line_pos; } param[param_pos] = '\0'; /* EOL / comment */ if (line[line_pos] != '\0' && line[line_pos] != '#') { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "extra characters: %s\n", line + line_pos); ret = -1; } bstr bopt = bstr0(opt); bstr bparam = bstr0(param); if (profile && bstr_equals0(bopt, "profile-desc")) { m_profile_set_desc(profile, param); goto nextline; } tmp = m_config_option_requires_param(config, bopt); if (tmp > 0 && !param_set) tmp = M_OPT_MISSING_PARAM; if (tmp < 0) { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "error parsing option %s=%s: %s\n", opt, param, m_option_strerror(tmp)); continue; } if (profile) { tmp = m_config_set_profile_option(config, profile, bopt, bparam); } else { tmp = m_config_set_option_ext(config, bopt, bparam, M_SETOPT_FROM_CONFIG_FILE); } if (tmp < 0) { PRINT_LINENUM; mp_msg(MSGT_CFGPARSER, MSGL_ERR, "setting option %s='%s' failed.\n", opt, param); continue; /* break */ } nextline: ; } out: free(line); if (fp) fclose(fp); --recursion_depth; if (ret < 0) { mp_msg(MSGT_CFGPARSER, MSGL_FATAL, "Error loading config file %s.\n", conffile); } return ret; }
int m_config_parse(m_config_t *config, const char *location, bstr data, char *initial_section, int flags) { m_profile_t *profile = m_config_add_profile(config, initial_section); void *tmp = talloc_new(NULL); int line_no = 0; int errors = 0; bstr_eatstart0(&data, "\xEF\xBB\xBF"); // skip BOM while (data.len) { talloc_free_children(tmp); bool ok = false; line_no++; char loc[512]; snprintf(loc, sizeof(loc), "%s:%d:", location, line_no); bstr line = bstr_strip_linebreaks(bstr_getline(data, &data)); if (!skip_ws(&line)) continue; // Profile declaration if (bstr_eatstart0(&line, "[")) { bstr profilename; if (!bstr_split_tok(line, "]", &profilename, &line)) { MP_ERR(config, "%s missing closing ]\n", loc); goto error; } if (skip_ws(&line)) { MP_ERR(config, "%s unparseable extra characters: '%.*s'\n", loc, BSTR_P(line)); goto error; } profile = m_config_add_profile(config, bstrto0(tmp, profilename)); continue; } bstr_eatstart0(&line, "--"); bstr option = line; while (line.len && (mp_isalnum(line.start[0]) || line.start[0] == '_' || line.start[0] == '-')) line = bstr_cut(line, 1); option.len = option.len - line.len; skip_ws(&line); bstr value = {0}; if (bstr_eatstart0(&line, "=")) { skip_ws(&line); if (line.len && (line.start[0] == '"' || line.start[0] == '\'')) { // Simple quoting, like "value" char term[2] = {line.start[0], 0}; line = bstr_cut(line, 1); if (!bstr_split_tok(line, term, &value, &line)) { MP_ERR(config, "%s unterminated quote\n", loc); goto error; } } else if (bstr_eatstart0(&line, "%")) { // Quoting with length, like %5%value bstr rest; long long len = bstrtoll(line, &rest, 10); if (rest.len == line.len || !bstr_eatstart0(&rest, "%") || len > rest.len) { MP_ERR(config, "%s fixed-length quoting expected - put " "\"quotes\" around the option value if you did not " "intend to use this, but your option value starts " "with '%%'\n", loc); goto error; } value = bstr_splice(rest, 0, len); line = bstr_cut(rest, len); } else { // No quoting; take everything until the comment or end of line int end = bstrchr(line, '#'); value = bstr_strip(end < 0 ? line : bstr_splice(line, 0, end)); line.len = 0; } } if (skip_ws(&line)) { MP_ERR(config, "%s unparseable extra characters: '%.*s'\n", loc, BSTR_P(line)); goto error; } int res; if (profile) { if (bstr_equals0(option, "profile-desc")) { m_profile_set_desc(profile, value); res = 0; } else { res = m_config_set_profile_option(config, profile, option, value); } } else { res = m_config_set_option_ext(config, option, value, flags); } if (res < 0) { MP_ERR(config, "%s setting option %.*s='%.*s' failed.\n", loc, BSTR_P(option), BSTR_P(value)); goto error; } ok = true; error: if (!ok) errors++; if (errors > 16) { MP_ERR(config, "%s: too many errors, stopping.\n", location); break; } } talloc_free(tmp); return 1; }