annotate src/opt.cc @ 6:f22be47a3572
moved to TransferFuncs completely
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Tue, 30 Dec 2014 06:22:54 +0200 |
| parents |
32c4a7160350 |
| children |
773f89037a35 |
| rev |
line source |
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nuclear@3
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1 #include <stdio.h>
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nuclear@3
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2 #include <string.h>
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nuclear@3
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3 #include "opt.h"
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nuclear@3
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4
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nuclear@3
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5 static struct {
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nuclear@3
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6 const char *name;
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nuclear@3
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7 RendererType rtype;
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nuclear@3
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8 } rend[] = {
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nuclear@3
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9 { "fast", REND_FAST },
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nuclear@3
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10 { 0, REND_NONE }
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nuclear@3
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11 };
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nuclear@3
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12
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nuclear@3
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13 Options opt;
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nuclear@3
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14
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nuclear@3
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15 static void init_opt()
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nuclear@3
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16 {
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nuclear@3
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17 opt.fname = 0;
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nuclear@3
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18 opt.rend_type = REND_FAST;
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nuclear@6
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19 opt.xsz = 800;
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nuclear@6
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20 opt.ysz = 800;
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nuclear@3
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21 }
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nuclear@3
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22
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nuclear@3
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23 static RendererType renderer_type(const char *name)
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nuclear@3
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24 {
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nuclear@3
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25 for(int i=0; rend[i].name; i++) {
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nuclear@3
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26 if(strcmp(rend[i].name, name) == 0) {
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nuclear@3
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27 return rend[i].rtype;
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nuclear@3
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28 }
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nuclear@3
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29 }
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nuclear@3
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30 return REND_NONE;
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nuclear@3
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31 }
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nuclear@3
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32
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nuclear@3
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33 int parse_args(int argc, char **argv)
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nuclear@3
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34 {
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nuclear@3
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35 init_opt();
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nuclear@3
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36
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nuclear@3
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37 for(int i=1; i<argc; i++) {
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nuclear@3
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38 if(argv[i][0] == '-') {
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nuclear@3
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39 if(argv[i][2] == 0) {
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nuclear@3
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40 switch(argv[i][1]) {
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nuclear@6
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41 case 's':
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nuclear@6
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42 if(sscanf(argv[++i], "%dx%d", &opt.xsz, &opt.ysz) != 2) {
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nuclear@6
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43 fprintf(stderr, "-s must be followed by the window size (WxH)\n");
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nuclear@6
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44 return -1;
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nuclear@6
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45 }
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nuclear@6
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46 break;
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nuclear@6
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47
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nuclear@3
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48 case 'r':
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nuclear@3
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49 if((opt.rend_type = renderer_type(argv[++i])) == REND_NONE) {
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nuclear@3
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50 if(strcmp(argv[i], "help") == 0) {
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nuclear@3
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51 printf("available renderers: ");
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nuclear@3
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52 for(int j=0; rend[j].name; j++) {
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nuclear@3
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53 printf("%s ", rend[j].name);
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nuclear@3
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54 }
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nuclear@3
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55 putchar('\n');
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nuclear@3
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56 return -1;
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nuclear@3
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57 }
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nuclear@3
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58 fprintf(stderr, "unknown renderer type: %s (use -r help to show list of renderers)\n", argv[i]);
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nuclear@3
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59 return -1;
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nuclear@3
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60 }
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nuclear@3
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61 break;
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nuclear@3
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62
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nuclear@3
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63 default:
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nuclear@3
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64 fprintf(stderr, "invalid option: %s\n", argv[i]);
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nuclear@3
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65 return -1;
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nuclear@3
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66 }
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nuclear@3
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67 } else {
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nuclear@3
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68 fprintf(stderr, "invalid option: %s\n", argv[i]);
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nuclear@3
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69 return -1;
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nuclear@3
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70 }
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nuclear@3
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71 } else {
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nuclear@3
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72 if(opt.fname) {
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nuclear@3
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73 fprintf(stderr, "unexpected argument: %s\n", argv[i]);
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nuclear@3
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74 return -1;
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nuclear@3
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75 }
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nuclear@3
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76 opt.fname = argv[i];
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nuclear@3
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77 }
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nuclear@3
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78 }
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nuclear@3
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79
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nuclear@3
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80 return 0;
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nuclear@3
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81 }
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