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-rw-r--r--src/support/dom/document_cache.cc27
-rw-r--r--src/support/dom/document_cache.h10
2 files changed, 7 insertions, 30 deletions
diff --git a/src/support/dom/document_cache.cc b/src/support/dom/document_cache.cc
index 81d90aa..0ad540c 100644
--- a/src/support/dom/document_cache.cc
+++ b/src/support/dom/document_cache.cc
@@ -6,33 +6,14 @@ namespace InputXSLT {
DomDocumentCache::DomDocumentCache():
write_mutex_(),
- map_() { }
+ cache_() { }
-DomDocumentCache::optional_item DomDocumentCache::get(const std::string& key) {
- auto itemIter = this->map_.find(key);
-
- if ( itemIter == this->map_.end() ) {
- return optional_item(false, nullptr);
- } else {
- return optional_item(true, (*itemIter).second->getXalanDocument());
- }
-}
-
-DomDocumentCache::optional_item DomDocumentCache::create(
- const std::string& key,
- xercesc::DOMDocument* document
-) {
+xalan::XalanDocument* DomDocumentCache::create(xercesc::DOMDocument* document) {
std::lock_guard<std::mutex> guard(this->write_mutex_);
- auto result = this->map_.emplace(
- std::make_pair(key, std::unique_ptr<item>(new item(document)))
- );
+ this->cache_.emplace(new item(document));
- if ( result.second ) {
- return optional_item(true, (*(result.first)).second->getXalanDocument());
- } else {
- return optional_item(false, nullptr);
- }
+ return this->cache_.top()->getXalanDocument();
}
}
diff --git a/src/support/dom/document_cache.h b/src/support/dom/document_cache.h
index cbac5c7..1f9a9e3 100644
--- a/src/support/dom/document_cache.h
+++ b/src/support/dom/document_cache.h
@@ -5,9 +5,8 @@
#include <xercesc/dom/DOMDocument.hpp>
-#include <string>
#include <mutex>
-#include <unordered_map>
+#include <stack>
#include <memory>
#include "common.h"
@@ -16,18 +15,15 @@ namespace InputXSLT {
class DomDocumentCache {
public:
- typedef std::pair<bool, xalan::XalanDocument*> optional_item;
-
DomDocumentCache();
- optional_item get(const std::string&);
- optional_item create(const std::string&, xercesc::DOMDocument*);
+ xalan::XalanDocument* create(xercesc::DOMDocument*);
private:
class item;
std::mutex write_mutex_;
- std::unordered_map<std::string, std::unique_ptr<item>> map_;
+ std::stack<std::unique_ptr<item>> cache_;
};