54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/*
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* File: SegmentCache.cpp
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* Author: cmosher
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*
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* Created on December 10, 2013, 9:56 PM
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*/
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#include "SegmentCache.h"
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#include "trans.h"
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#include <memory>
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#include <string>
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#include <map>
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bool SegmentCache::cached(const std::string& id) const {
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return this->cache.find(id) != this->cache.end();
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}
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Segment* SegmentCache::getOrAdd(const std::string& id) {
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if (!cached(id)) {
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this->cache[id] = std::make_shared<Segment>(id);
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/*
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* We want to optimize VSS and VCC checking in
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* the rest of the program, so we check here
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* for those two special cases, and flag them.
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* So, for example, checking (s->vss) is equivalent
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* to checking (s==VCC).
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*/
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if (id == "-vss") {
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this->cache[id]->vss = true;
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} else if (id == "+vcc") {
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this->cache[id]->vcc = true;
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}
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}
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return get(id);
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}
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Segment* SegmentCache::get(const std::string& id) const {
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if (!cached(id)) {
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throw "Cannot find segment: " + id;
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}
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return this->cache.at(id).get();
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}
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SegmentSet SegmentCache::all() const {
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SegmentSet s;
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for (auto i : this->cache) {
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s.insert(i.second.get());
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}
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return s;
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}
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