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1 #include <iostream>
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2 #include <SDL.h>
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3 #include <SDL_opengl.h>
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4 #include <libxml/parser.h>
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5 #include "polygon.h"
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6 using namespace std;
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7
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8 char *skip_to_number(char *cont)
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9 {
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10 if (cont == NULL) return(NULL);
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11 for (;(*cont < '+' || *cont > '9') && (*cont != '\0');cont++) {}
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12 if (*cont == '\0')
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13 {
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14 fprintf(stderr,"Content data is short\n");
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15 return(NULL);
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16 }
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17 return(cont);
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18 }
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19
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20
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21 char *pickup_float(char *cont, float *index)
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22 {
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23 int sign=1,exp=1;
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24 float shift=10,val_dec=0,val_int=0;
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25
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26 cont = skip_to_number(cont);
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27 if (cont == NULL) return(NULL);
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28
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29 for (;*cont != ' ' && *cont != '\n' && *cont != '\t';cont++)
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30 {
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31 if (*cont == '-')
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32 {
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33 sign = -1;
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34 }
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35 else if (*cont == '.')
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36 {
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37 shift = 0.1;
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38 }
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39 else if (*cont >= '0' && *cont <= '9')
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40 {
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41 if (shift == 10)
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42 {
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43 val_int *= shift;
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44 val_int += *cont - 48;
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45 }
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46 else
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47 {
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48 val_dec += (*cont - 48) * shift;
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49 shift *= 0.1;
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50 }
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51 }
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52 else if (*cont == 'e' || *cont == 'E')
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53 {
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54 //cont = pickup_exponent(&exp,cont+1);
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55 if (cont == NULL) return(NULL);
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56 }
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57 else if (*cont == '+' || *cont == '/' || *cont == ' ')
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58 {
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59 // ignore
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60 }
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61 else
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62 {
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63 fprintf(stderr,"Pick up float failed : %c(%d)\n",*cont,*cont);
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64 return(NULL);
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65 }
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66 }
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67
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68 *index = sign * (val_int + val_dec) * exp;
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69 cont++;
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70 return(cont);
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71 }
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72
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73
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74 /*
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75 int main(int artc, char *argv[])
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76 {
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77 xmlDocPtr doc;
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78 xmlNodePtr cur;
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79 char *cont;
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80
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81 doc = xmlParseFile(argv[1]);
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82
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83 cur = xmlDocGetRootElement(doc);
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84
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85 xmlStrcmp(cur->name,(xmlChar*)"OBJECT-3D");
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86
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87 for (cur=cur->children; cur; cur=cur->next)
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88 {
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89 if (!xmlStrcmp(cur->name,(xmlChar*)"surface"))
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90 {
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91 get_data(cur->children);
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92 }
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93 }
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94
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95 xmlFreeDoc(doc);
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96 return 0;
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97
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98 }
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99 */
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