[409] | 1 | /* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc. |
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| 2 | See the COPYRIGHT file for more information. */ |
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| 3 | #ifndef NCLIST_H |
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| 4 | #define NCLIST_H 1 |
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| 5 | |
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| 6 | /* Define the type of the elements in the list*/ |
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| 7 | |
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| 8 | #if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) |
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| 9 | #define EXTERNC extern "C" |
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| 10 | #else |
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| 11 | #define EXTERNC extern |
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| 12 | #endif |
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| 13 | |
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| 14 | typedef unsigned long ncelem; |
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| 15 | |
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| 16 | EXTERNC int nclistnull(ncelem); |
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| 17 | |
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| 18 | typedef struct NClist { |
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| 19 | unsigned int alloc; |
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| 20 | unsigned int length; |
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| 21 | ncelem* content; |
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| 22 | } NClist; |
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| 23 | |
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| 24 | EXTERNC NClist* nclistnew(void); |
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| 25 | EXTERNC int nclistfree(NClist*); |
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| 26 | EXTERNC int nclistsetalloc(NClist*,unsigned int); |
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| 27 | EXTERNC int nclistsetlength(NClist*,unsigned int); |
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| 28 | |
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| 29 | /* Set the ith element */ |
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| 30 | EXTERNC int nclistset(NClist*,unsigned int,ncelem); |
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| 31 | /* Get value at position i */ |
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| 32 | EXTERNC ncelem nclistget(NClist*,unsigned int);/* Return the ith element of l */ |
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| 33 | /* Insert at position i; will push up elements i..|seq|. */ |
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| 34 | EXTERNC int nclistinsert(NClist*,unsigned int,ncelem); |
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| 35 | /* Remove element at position i; will move higher elements down */ |
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| 36 | EXTERNC ncelem nclistremove(NClist* l, unsigned int i); |
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| 37 | |
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| 38 | /* Tail operations */ |
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| 39 | EXTERNC int nclistpush(NClist*,ncelem); /* Add at Tail */ |
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| 40 | EXTERNC ncelem nclistpop(NClist*); |
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| 41 | EXTERNC ncelem nclisttop(NClist*); |
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| 42 | |
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| 43 | /* Duplicate and return the content (null terminate) */ |
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| 44 | EXTERNC ncelem* nclistdup(NClist*); |
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| 45 | |
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| 46 | /* Look for value match */ |
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| 47 | EXTERNC int nclistcontains(NClist*, ncelem); |
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| 48 | |
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| 49 | /* Remove element by value; only removes first encountered */ |
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| 50 | EXTERNC int nclistelemremove(NClist* l, ncelem elem); |
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| 51 | |
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| 52 | |
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| 53 | /* remove duplicates */ |
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| 54 | EXTERNC int nclistunique(NClist*); |
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| 55 | |
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| 56 | /* Create a clone of a list */ |
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| 57 | EXTERNC NClist* nclistclone(NClist*); |
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| 58 | |
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| 59 | /* Following are always "in-lined"*/ |
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| 60 | #define nclistclear(l) nclistsetlength((l),0U) |
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| 61 | #define nclistextend(l,len) nclistsetalloc((l),(len)+(l->alloc)) |
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| 62 | #define nclistcontents(l) ((l)->content) |
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| 63 | #define nclistlength(l) ((l)?(l)->length:0U) |
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| 64 | |
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| 65 | #endif /*NCLIST_H*/ |
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| 66 | |
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| 67 | |
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