1 | ;------------------------------------------------------------ |
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2 | ;------------------------------------------------------------ |
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3 | ;------------------------------------------------------------ |
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4 | ;+ |
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5 | ; |
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6 | ; @file_comments |
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7 | ; Concatenate 2 structures together. The difference with CREATE_STRUCT |
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8 | ; is that if the 2 structure have same elements's name, then mixstru |
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9 | ; do not break down but choose for the common element the value |
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10 | ; specified by the first structure. |
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11 | ; |
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12 | ; @categories |
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13 | ; structure |
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14 | ; |
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15 | ; @param STRU1 {in}{required} |
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16 | ; Structure which can have same elements's name than |
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17 | ; STRU2 but with a different value. |
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18 | ; |
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19 | ; @param STRU2 {in}{required} |
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20 | ; Structure which can have same elements's name than |
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21 | ; STRU1 but with a different value. |
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22 | ; |
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23 | ; @returns |
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24 | ; A stucture |
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25 | ; |
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26 | ; @restrictions |
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27 | ; If STRU1 or STRU2 is not a structure, mixstru send back -1 |
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28 | ; |
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29 | ; @examples |
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30 | ; |
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31 | ; IDL> a=get_extra(/toto,ok=123) |
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32 | ; IDL> b=get_extra(ok=111, year=1999, age_capitaine=35) |
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33 | ; IDL> help, a,b,/struct |
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34 | ; ** Structure <8334424>, 2 tags, length=4, refs=1: |
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35 | ; OK INT 123 |
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36 | ; TOTO INT 1 |
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37 | ; ** Structure <8373da4>, 3 tags, length=6, refs=1: |
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38 | ; AGE_CAPITAINE INT 35 |
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39 | ; OK INT 111 |
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40 | ; YEAR INT 1999 |
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41 | ; IDL> help, mixstru(a,b),/struct |
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42 | ; ** Structure <82f25ac>, 4 tags, length=8, refs=1: |
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43 | ; AGE_CAPITAINE INT 35 |
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44 | ; YEAR INT 1999 |
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45 | ; OK INT 123 |
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46 | ; TOTO INT 1 |
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47 | ; IDL> help, mixstru(b,a),/struct |
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48 | ; ** Structure <834604c>, 4 tags, length=8, refs=1: |
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49 | ; TOTO INT 1 |
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50 | ; AGE_CAPITAINE INT 35 |
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51 | ; OK INT 111 |
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52 | ; YEAR INT 1999 |
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53 | ; |
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54 | ; @history |
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55 | ; Sebastien Masson (smasson@lodyc.jussieu.fr) |
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56 | ; 7/10/1999 |
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57 | ; |
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58 | ; @version |
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59 | ; $Id$ |
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60 | ; |
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61 | ;- |
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62 | ;------------------------------------------------------------ |
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63 | ;------------------------------------------------------------ |
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64 | ;------------------------------------------------------------ |
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65 | FUNCTION mixstru, stru1, stru2 |
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66 | ; |
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67 | compile_opt idl2, strictarrsubs |
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68 | ; |
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69 | @cm_general |
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70 | |
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71 | IF size(stru1, /type) EQ 0 AND size(stru2, /type) EQ 8 THEN return, stru2 |
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72 | IF size(stru2, /type) EQ 0 AND size(stru1, /type) EQ 8 THEN return, stru1 |
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73 | if size(stru1, /type) NE 8 then return, -1 |
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74 | if size(stru2, /type) NE 8 then return, -1 |
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75 | tname = tag_names(stru2) |
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76 | |
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77 | str = '' |
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78 | FOR i = 0, n_tags(stru2)-1 DO str = str + tname[i]+' = stru2.(' + strtrim(i, 2)+ '), ' |
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79 | |
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80 | res = createfunc('get_extra('+str+'_extra = stru1)' $ |
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81 | , kwdlist = 'stru1 = stru1, stru2 = stru2' $ |
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82 | , stru1 = stru1, stru2 = stru2 $ |
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83 | , filename = myuniquetmpdir +'for_createfunc.pro') |
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84 | |
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85 | return, res |
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86 | |
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87 | end |
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