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| author | Tyge Løvset <[email protected]> | 2021-05-10 17:41:03 +0200 |
|---|---|---|
| committer | Tyge Løvset <[email protected]> | 2021-05-10 17:41:03 +0200 |
| commit | 1401833dbfc8a08bf94978e98c76904aa82d3878 (patch) | |
| tree | 4867e1b19c0705492cba7d56eefae0ab006a681f /examples | |
| parent | aa3851a95e700bb391eec1610d3b99aca97faaa8 (diff) | |
| download | STC-modified-1401833dbfc8a08bf94978e98c76904aa82d3878.tar.gz STC-modified-1401833dbfc8a08bf94978e98c76904aa82d3878.zip | |
added multimap example.
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/olympics.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/examples/olympics.c b/examples/olympics.c new file mode 100644 index 00000000..2c4cc270 --- /dev/null +++ b/examples/olympics.c @@ -0,0 +1,77 @@ +#include <stc/csmap.h>
+#include <stc/clist.h>
+#include <stc/cstr.h>
+#include <stdio.h>
+
+// Olympics multimap example
+
+struct OlympicsData { int year; const char *city, *country, *date; } ol_data[] = {
+ {2026, "Milan and Cortina d'Ampezzo", "Italy", "February 6-22"},
+ {2022, "Beijing", "China", "February 4-20"},
+ {2018, "PyeongChang", "South Korea", "February 9-25"},
+ {2014, "Sochi", "Russia", "February 7-23"},
+ {2010, "Vancouver", "Canada", "February 12-28"},
+ {2006, "Torino", "Italy", "February 10-26"},
+ {2002, "Salt Lake City", "United States", "February 8-24"},
+ {1998, "Nagano", "Japan", "February 7-22"},
+ {1994, "Lillehammer", "Norway", "February 12-27"},
+ {1992, "Albertville", "France", "February 8-23"},
+ {1988, "Calgary", "Canada", "February 13-28"},
+ {1984, "Sarajevo", "Yugoslavia", "February 8-19"},
+ {1980, "Lake Placid", "United States", "February 13-24"},
+ {1976, "Innsbruck", "Austria", "February 4-15"},
+ {1972, "Sapporo", "Japan", "February 3-13"},
+ {1968, "Grenoble", "France", "February 6-18"},
+ {1964, "Innsbruck", "Austria", "January 29-February 9"},
+ {1960, "Squaw Valley", "United States", "February 18-28"},
+ {1956, "Cortina d'Ampezzo", "Italy", "January 26 - February 5"},
+ {1952, "Oslo", "Norway", "February 14 - 25"},
+ {1948, "St. Moritz", "Switzerland", "January 30 - February 8"},
+ {1944, "canceled", "canceled", "canceled"},
+ {1940, "canceled", "canceled", "canceled"},
+ {1936, "Garmisch-Partenkirchen", "Germany", "February 6 - 16"},
+ {1932, "Lake Placid", "United States", "February 4 - 15"},
+ {1928, "St. Moritz", "Switzerland", "February 11 - 19"},
+ {1924, "Chamonix", "France", "January 25 - February 5"},
+};
+
+
+typedef struct { int year; cstr city, date; } OlympicLocation;
+
+int OlympicLocation_compare(OlympicLocation* a, OlympicLocation* b) {
+ return a->year - b->year;
+}
+void OlympicLocation_del(OlympicLocation* self) {
+ c_del (cstr, &self->city, &self->date);
+}
+
+// Create a clist<OlympicLocation>, can be sorted by year.
+using_clist(ol, OlympicLocation, OlympicLocation_compare, OlympicLocation_del);
+
+// Create a csmap<cstr, clist_ol> where key is country
+using_csmap_strkey(ol, clist_ol, clist_ol_del, c_no_clone);
+
+
+int main()
+{
+ csmap_ol multimap = csmap_ol_init();
+ clist_ol empty = clist_ol_init();
+
+ for (int i = 0; i<c_arraylen(ol_data); ++i) {
+ struct OlympicsData* it = &ol_data[i];
+ OlympicLocation loc = {.year=it->year, .city=cstr_from(it->city), .date=cstr_from(it->date)};
+ // Insert an empty list for each new country, and append the entry to the list.
+ // If list already exist in map, it returns it from the insert function.
+ clist_ol_push_back(&csmap_ol_insert(&multimap, cstr_from(it->country), empty).ref->second, loc);
+ }
+
+ c_foreach (country, csmap_ol, multimap) {
+ clist_ol_sort(&country.ref->second); // Sort locations by year for each country.
+ c_foreach (loc, clist_ol, country.ref->second)
+ printf("%s: %d, %s, %s\n", country.ref->first.str, loc.ref->year,
+ loc.ref->city.str,
+ loc.ref->date.str);
+ }
+ // cleanup everything
+ csmap_ol_del(&multimap);
+}
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