/* EAM July 2004 - Gnuplot's own string formatting conventions. * Currently this routine assumes base 10 representation, because * it is not clear where it could be specified to be anything else. */ void f_gprintf(union argument *arg) { struct value fmt, val, result; char *buffer; int length; double base; /* Retrieve parameters from top of stack */ pop(&val); pop(&fmt); #ifdef DEBUG fprintf(stderr,"----------\nGot gprintf parameters\nfmt: "); disp_value(stderr, &fmt, TRUE); fprintf(stderr,"\nval: "); disp_value(stderr, &val, TRUE); fprintf(stderr,"\n----------\n"); #endif /* Make sure parameters are of the correct type */ if (fmt.type != STRING) int_error(NO_CARET,"First parameter to gprintf must be a format string"); /* EAM FIXME - I have no idea where we would learn another base is wanted */ base = 10.; /* Make sure we have at least as much space in the output as the format itself */ length = 80 + strlen(fmt.v.string_val); buffer = gp_alloc(length, "f_gprintf"); /* Call the old internal routine */ gprintf(buffer, length, fmt.v.string_val, base, real(&val)); FPRINTF((stderr," gprintf result = \"%s\"\n",buffer)); push(Gstring(&result, buffer)); gpfree_string(&fmt); free(buffer); }
static void save_variables__sub(FILE *fp) { /* always skip pi */ struct udvt_entry *udv = first_udv->next_udv; while (udv) { if (!udv->udv_undef) { if (strncmp(udv->udv_name,"GPVAL_",6) && strncmp(udv->udv_name,"MOUSE_",6) && strncmp(udv->udv_name,"NaN",4)) { fprintf(fp, "%s = ", udv->udv_name); disp_value(fp, &(udv->udv_value), TRUE); (void) putc('\n', fp); } } udv = udv->next_udv; } }
static int command() { FILE *fp; int i; /* string holding name of save or load file */ char sv_file[MAX_LINE_LEN + 1]; for (i = 0; i < MAX_NUM_VAR; i++) c_dummy_var[i][0] = NUL; /* no dummy variables */ if (is_definition(c_token)) define(); else if (almost_equals(c_token, "h$elp") || equals(c_token, "?")) { c_token++; do_help(1); } else if (equals(c_token, "testtime")) { /* given a format and a time string, exercise the time code */ char format[160], string[160]; struct tm tm; double secs; if (isstring(++c_token)) { quote_str(format, c_token, 159); if (isstring(++c_token)) { quote_str(string, c_token++, 159); memset(&tm, 0, sizeof(tm)); gstrptime(string, format, &tm); secs = gtimegm(&tm); fprintf(stderr, "internal = %f - %d/%d/%d::%d:%d:%d , wday=%d, yday=%d\n", secs, tm.tm_mday, tm.tm_mon + 1, tm.tm_year % 100, tm.tm_hour, tm.tm_min, tm.tm_sec, tm.tm_wday, tm.tm_yday); memset(&tm, 0, sizeof(tm)); ggmtime(&tm, secs); gstrftime(string, 159, format, secs); fprintf(stderr, "convert back \"%s\" - %d/%d/%d::%d:%d:%d , wday=%d, yday=%d\n", string, tm.tm_mday, tm.tm_mon + 1, tm.tm_year % 100, tm.tm_hour, tm.tm_min, tm.tm_sec, tm.tm_wday, tm.tm_yday); } } } else if (almost_equals(c_token, "test")) { c_token++; test_term(); } else if (almost_equals(c_token, "scr$eendump")) { c_token++; #ifdef _Windows screen_dump(); #else fputs("screendump not implemented\n", stderr); #endif } else if (almost_equals(c_token, "pa$use")) { struct value a; int sleep_time, text = 0; char buf[MAX_LINE_LEN + 1]; c_token++; sleep_time = (int) real(const_express(&a)); buf[0] = NUL; if (!(END_OF_COMMAND)) { if (!isstring(c_token)) int_error("expecting string", c_token); else { quote_str(buf, c_token, MAX_LINE_LEN); ++c_token; #ifdef _Windows if (sleep_time >= 0) #else # ifdef OS2 if (strcmp(term->name, "pm") != 0 || sleep_time >= 0) # else # ifdef MTOS if (strcmp(term->name, "mtos") != 0 || sleep_time >= 0) # endif /* MTOS */ # endif /* OS2 */ #endif /* _Windows */ fputs(buf, stderr); text = 1; } } if (sleep_time < 0) { #ifdef _Windows if (!Pause(buf)) bail_to_command_line(); #else # ifdef OS2 if (strcmp(term->name, "pm") == 0 && sleep_time < 0) { int rc; if ((rc = PM_pause(buf)) == 0) bail_to_command_line(); else if (rc == 2) { fputs(buf, stderr); text = 1; (void) fgets(buf, MAX_LINE_LEN, stdin); } } # else /* !OS2 */ # ifdef _Macintosh if (strcmp(term->name, "macintosh") == 0 && sleep_time < 0) Pause(sleep_time); # else /* !_Macintosh */ # ifdef MTOS if (strcmp(term->name, "mtos") == 0) { int MTOS_pause(char *buf); int rc; if ((rc = MTOS_pause(buf)) == 0) bail_to_command_line(); else if (rc == 2) { fputs(buf, stderr); text = 1; (void) fgets(buf, MAX_LINE_LEN, stdin); } } else if (strcmp(term->name, "atari") == 0) { char *readline(char *); char *line = readline(""); if (line) free(line); } else (void) fgets(buf, MAX_LINE_LEN, stdin); # else /* !MTOS */ # ifdef ATARI if (strcmp(term->name, "atari") == 0) { char *readline(char *); char *line = readline(""); if (line) free(line); } else (void) fgets(buf, MAX_LINE_LEN, stdin); # else /* !ATARI */ (void) fgets(buf, MAX_LINE_LEN, stdin); /* Hold until CR hit. */ # endif /* !ATARI */ # endif /* !MTOS */ # endif /* !_Macintosh */ # endif /* !OS2 */ #endif } if (sleep_time > 0) GP_SLEEP(sleep_time); if (text != 0 && sleep_time >= 0) fputc('\n', stderr); screen_ok = FALSE; } else if (almost_equals(c_token, "pr$int")) { int need_space = 0; /* space printed between two expressions only */ screen_ok = FALSE; do { ++c_token; if (isstring(c_token)) { char s[MAX_LINE_LEN]; quote_str(s, c_token, MAX_LINE_LEN); fputs(s, stderr); need_space = 0; ++c_token; } else { struct value a; (void) const_express(&a); if (need_space) putc(' ', stderr); need_space = 1; disp_value(stderr, &a); } } while (!END_OF_COMMAND && equals(c_token, ",")); (void) putc('\n', stderr); } else if (almost_equals(c_token, "fit")) { ++c_token; do_fit(); } else if (almost_equals(c_token, "up$date")) { char tmps[80]; char tmps2[80]; /* Have to initialise tmps2, otherwise * update() cannot decide whether a valid * filename was given. lh */ tmps2[0] = NUL; if (!isstring(++c_token)) int_error("Parameter filename expected", c_token); quote_str(tmps, c_token++, 80); if (!(END_OF_COMMAND)) { if (!isstring(c_token)) int_error("New parameter filename expected", c_token); else quote_str(tmps2, c_token++, 80); } update(tmps, tmps2); } else if (almost_equals(c_token, "p$lot")) { plot_token = c_token++; SET_CURSOR_WAIT; plotrequest(); SET_CURSOR_ARROW; } else if (almost_equals(c_token, "sp$lot")) { plot_token = c_token++; SET_CURSOR_WAIT; plot3drequest(); SET_CURSOR_ARROW; } else if (almost_equals(c_token, "rep$lot")) { if (replot_line[0] == NUL) int_error("no previous plot", c_token); c_token++; SET_CURSOR_WAIT; replotrequest(); SET_CURSOR_ARROW; } else if (almost_equals(c_token, "se$t")) set_command(); else if (almost_equals(c_token, "res$et")) reset_command(); else if (almost_equals(c_token, "sh$ow")) show_command(); else if (almost_equals(c_token, "cl$ear")) { term_start_plot(); if (multiplot && term->fillbox) { unsigned int x1 = (unsigned int) (xoffset * term->xmax); unsigned int y1 = (unsigned int) (yoffset * term->ymax); unsigned int width = (unsigned int) (xsize * term->xmax); unsigned int height = (unsigned int) (ysize * term->ymax); (*term->fillbox) (0, x1, y1, width, height); } term_end_plot(); screen_ok = FALSE; c_token++; } else if (almost_equals(c_token, "she$ll")) { do_shell(); screen_ok = FALSE; c_token++; } else if (almost_equals(c_token, "sa$ve")) { if (almost_equals(++c_token, "f$unctions")) { if (!isstring(++c_token)) int_error("expecting filename", c_token); else { quote_str(sv_file, c_token, MAX_LINE_LEN); save_functions(fopen(sv_file, "w")); } } else if (almost_equals(c_token, "v$ariables")) { if (!isstring(++c_token)) int_error("expecting filename", c_token); else { quote_str(sv_file, c_token, MAX_LINE_LEN); save_variables(fopen(sv_file, "w")); } } else if (almost_equals(c_token, "s$et")) { if (!isstring(++c_token)) int_error("expecting filename", c_token); else { quote_str(sv_file, c_token, MAX_LINE_LEN); save_set(fopen(sv_file, "w")); } } else if (isstring(c_token)) { quote_str(sv_file, c_token, MAX_LINE_LEN); save_all(fopen(sv_file, "w")); } else { int_error("filename or keyword 'functions', 'variables', or 'set' expected", c_token); } c_token++; } else if (almost_equals(c_token, "l$oad")) { if (!isstring(++c_token)) int_error("expecting filename", c_token); else { quote_str(sv_file, c_token, MAX_LINE_LEN); /* load_file(fp=fopen(sv_file, "r"), sv_file, FALSE); OLD * DBT 10/6/98 handle stdin as special case * passes it on to load_file() so that it gets * pushed on the stack and recusion will work, etc */ fp = strcmp(sv_file, "-") ? fopen(sv_file, "r") : stdin; load_file(fp, sv_file, FALSE); /* input_line[] and token[] now destroyed! */ c_token = num_tokens = 0; } } else if (almost_equals(c_token, "ca$ll")) { if (!isstring(++c_token)) int_error("expecting filename", c_token); else { quote_str(sv_file, c_token, MAX_LINE_LEN); load_file(fopen(sv_file, "r"), sv_file, TRUE); /* Argument list follows filename */ /* input_line[] and token[] now destroyed! */ c_token = num_tokens = 0; } } else if (almost_equals(c_token, "if")) { double exprval; struct value t; if (!equals(++c_token, "(")) /* no expression */ int_error("expecting (expression)", c_token); exprval = real(const_express(&t)); if (exprval != 0.0) { /* fake the condition of a ';' between commands */ int eolpos = token[num_tokens - 1].start_index + token[num_tokens - 1].length; --c_token; token[c_token].length = 1; token[c_token].start_index = eolpos + 2; input_line[eolpos + 2] = ';'; input_line[eolpos + 3] = NUL; } else c_token = num_tokens = 0; } else if (almost_equals(c_token, "rer$ead")) { fp = lf_top(); if (fp != (FILE *) NULL) rewind(fp); c_token++; } else if (almost_equals(c_token, "cd")) { if (!isstring(++c_token)) int_error("expecting directory name", c_token); else { quote_str(sv_file, c_token, MAX_LINE_LEN); if (changedir(sv_file)) { int_error("Can't change to this directory", c_token); } c_token++; } } else if (almost_equals(c_token, "pwd")) { GP_GETCWD(sv_file, sizeof(sv_file)); fprintf(stderr, "%s\n", sv_file); c_token++; } else if (almost_equals(c_token, "ex$it") || almost_equals(c_token, "q$uit")) { /* graphics will be tidied up in main */ return (1); } else if (!equals(c_token, ";")) { /* null statement */ #ifdef OS2 if (_osmode == OS2_MODE) { if (token[c_token].is_token) { int rc; rc = ExecuteMacro(input_line + token[c_token].start_index, token[c_token].length); if (rc == 0) { c_token = num_tokens = 0; return (0); } } } #endif int_error("invalid command", c_token); } return (0); }