72 lines
1.1 KiB
C++
72 lines
1.1 KiB
C++
/*
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* Copyright 2014 (c) Anna Schumaker.
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*/
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#include <index.h>
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IndexEntry :: IndexEntry() {}
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IndexEntry :: IndexEntry(const std::string &k)
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: key(k)
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{}
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const std::string IndexEntry :: primary_key()
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{
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return key;
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}
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void IndexEntry :: insert(unsigned int val)
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{
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values.insert(val);
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}
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void IndexEntry :: remove(unsigned int val)
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{
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values.erase(val);
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}
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void IndexEntry :: write(File &f)
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{
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std::set<unsigned int>::iterator it;
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f << key << std::endl << values.size() << " ";
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for (it = values.begin(); it != values.end(); it++)
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f << *it << " ";
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}
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void IndexEntry :: read(File &f)
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{
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unsigned int num, val;
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f >> key >> num;
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for (unsigned int i = 0; i < num; i++) {
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f >> val;
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insert(val);
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}
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}
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Index :: Index(const std::string &filepath, bool autosave)
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: Database(filepath, autosave)
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{}
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void Index :: insert(const std::string &key, unsigned int val)
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{
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iterator it = find(key);
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if (it == end())
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it = at(Database :: insert(IndexEntry(key)));
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it->insert(val);
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autosave();
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}
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void Index :: remove(const std::string &key, unsigned int val)
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{
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iterator it = find(key);
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if (it == end())
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return;
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it->remove(val);
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autosave();
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}
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