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a/src/query/dynconf.h |
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b/src/query/dynconf.h |
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*
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*
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* The storage is performed in a ConfSimple file, with subkeys and
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* The storage is performed in a ConfSimple file, with subkeys and
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* encodings which depend on the data stored. Under each section, the keys
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* encodings which depend on the data stored. Under each section, the keys
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* are sequential numeric, so this basically manages a set of lists.
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* are sequential numeric, so this basically manages a set of lists.
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*
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*
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* The code ensures that a a given value (as defined by the
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* DynConfEntry::equal() method is only stored once. If undesirable,
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* equal() should always return false.
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*/
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*/
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#include <string>
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#include <string>
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#include <list>
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#include <list>
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#include <utility>
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#include <utility>
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#include "conftree.h"
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#include "conftree.h"
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#include "base64.h"
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#ifndef NO_NAMESPACES
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/** Interface for a stored object. */
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using namespace std;
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#endif
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// Entry interface.
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class DynConfEntry {
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class DynConfEntry {
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public:
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public:
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virtual ~DynConfEntry() {}
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/** Decode object-as-string coming out from storage */
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virtual bool decode(const string &value) = 0;
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virtual bool decode(const std::string &value) = 0;
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/** Encode object state into state for storing */
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virtual bool encode(string& value) = 0;
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virtual bool encode(std::string& value) = 0;
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/** Compare objects */
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virtual bool equal(const DynConfEntry &other) = 0;
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virtual bool equal(const DynConfEntry &other) = 0;
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};
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};
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/** Stored object specialization for generic string storage */
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/** String storage generic object */
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class RclSListEntry : public DynConfEntry {
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class RclSListEntry : public DynConfEntry {
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public:
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public:
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RclSListEntry() {}
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RclSListEntry()
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{
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}
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RclSListEntry(const string& v) : value(v) {}
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RclSListEntry(const std::string& v)
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virtual ~RclSListEntry() {}
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: value(v)
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{
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}
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virtual bool decode(const string &enc);
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virtual bool decode(const std::string &enc)
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{
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base64_decode(enc, value);
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return true;
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}
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virtual bool encode(string& enc);
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virtual bool encode(std::string& enc)
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{
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base64_encode(value, enc);
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return true;
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}
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virtual bool equal(const DynConfEntry& other);
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virtual bool equal(const DynConfEntry& other)
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{
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const RclSListEntry& e = dynamic_cast<const RclSListEntry&>(other);
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return e.value == value;
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}
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string value;
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std::string value;
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};
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};
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/** The dynamic configuration class */
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/** The dynamic configuration class */
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class RclDynConf {
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class RclDynConf {
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public:
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public:
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RclDynConf(const string &fn)
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RclDynConf(const std::string &fn)
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: m_data(fn.c_str()) {}
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: m_data(fn.c_str())
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{
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}
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bool ok()
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{
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bool ok() {return m_data.getStatus() == ConfSimple::STATUS_RW;}
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return m_data.getStatus() == ConfSimple::STATUS_RW;
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string getFilename() {return m_data.getFilename();}
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}
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std::string getFilename()
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{
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return m_data.getFilename();
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}
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// Generic methods
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// Generic methods
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bool eraseAll(const string& sk);
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bool eraseAll(const std::string& sk);
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/** Insert new entry for section sk
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* @param sk section this is for
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* @param n new entry
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* @param s a scratch entry used for decoding and comparisons,
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* avoiding templating the routine for the actual entry type.
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*/
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bool insertNew(const string& sk, DynConfEntry &n, DynConfEntry &s,
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bool insertNew(const std::string& sk, DynConfEntry &n, DynConfEntry &s,
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int maxlen = -1);
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int maxlen = -1);
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template<typename Tp> list<Tp> getList(const string& sk);
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template<typename Tp> std::list<Tp> getList(const std::string& sk);
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// Specialized methods for simple string lists, designated by the
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// Specialized methods for simple string lists, designated by the
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// subkey value
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// subkey value
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bool enterString(const string sk, const string value, int maxlen = -1);
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bool enterString(const std::string sk, const std::string value, int maxlen = -1);
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list<string> getStringList(const string sk);
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std::list<std::string> getStringList(const std::string sk);
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private:
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private:
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unsigned int m_mlen;
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unsigned int m_mlen;
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ConfSimple m_data;
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ConfSimple m_data;
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};
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};
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template<typename Tp> list<Tp> RclDynConf::getList(const string &sk)
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template<typename Tp> std::list<Tp> RclDynConf::getList(const std::string &sk)
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{
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{
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list<Tp> mlist;
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std::list<Tp> mlist;
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Tp entry;
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Tp entry;
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vector<string> names = m_data.getNames(sk);
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std::vector<std::string> names = m_data.getNames(sk);
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for (vector<string>::const_iterator it = names.begin();
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for (std::vector<std::string>::const_iterator it = names.begin();
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it != names.end(); it++) {
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it != names.end(); it++) {
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string value;
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std::string value;
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if (m_data.get(*it, value, sk)) {
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if (m_data.get(*it, value, sk)) {
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if (!entry.decode(value))
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if (!entry.decode(value))
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continue;
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continue;
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mlist.push_front(entry);
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mlist.push_front(entry);
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}
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}
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... |
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return mlist;
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return mlist;
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}
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}
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// Defined subkeys. Values in dynconf.cpp
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// Defined subkeys. Values in dynconf.cpp
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// History
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// History
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extern const string docHistSubKey;
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extern const std::string docHistSubKey;
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// All external indexes
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// All external indexes
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extern const string allEdbsSk;
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extern const std::string allEdbsSk;
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// Active external indexes
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// Active external indexes
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extern const string actEdbsSk;
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extern const std::string actEdbsSk;
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// Advanced search history
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extern const std::string advSearchHistSk;
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#endif /* _DYNCONF_H_INCLUDED_ */
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#endif /* _DYNCONF_H_INCLUDED_ */
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