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/** |
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* HyperEstraierWrapper.cpp - C++ wrapper for Hyper Estraier |
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*/ |
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#include <estraier.h> |
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#include <estmtdb.h> |
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#include <cabin.h> |
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#include <cstdlib> |
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#include <string> |
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#include <vector> |
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#include <map> |
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#include <cassert> |
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#include <stdexcept> |
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#include <estnode.h> |
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/* backward compatibility for 0.5.4 */ |
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#ifndef ESTCONDAGITO |
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#define ESTCONDAGITO ESTCONDAGIT |
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#endif |
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namespace estraier { |
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class IOError : public std::runtime_error { |
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public: |
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explicit IOError (const std::string& w) : std::runtime_error(w) {} |
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}; |
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class Condition { |
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public: |
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enum { // enumeration for options |
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SURE = ESTCONDSURE, // check every N-gram key |
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USUAL = ESTCONDUSUAL, // check N-gram keys skipping by one |
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FAST = ESTCONDFAST, // check N-gram keys skipping by two |
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AGITO = ESTCONDAGITO, // check N-gram keys skipping by three |
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NOIDF = ESTCONDNOIDF, // without TF-IDF tuning |
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SIMPLE = ESTCONDSIMPLE, // with the simplefied phrase |
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}; |
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ESTCOND * cond; |
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Condition() { |
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/** |
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* constructor |
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*/ |
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cond = est_cond_new(); |
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} |
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~Condition() { |
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/** |
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* destructor |
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*/ |
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est_cond_delete(cond); |
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} |
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void set_phrase(const char *phrase) { |
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/** |
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* set the search phrase |
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*/ |
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est_cond_set_phrase(cond, phrase); |
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} |
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void add_attr(const char *expr) { |
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/** |
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* set the attribute expression |
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*/ |
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est_cond_add_attr(cond, expr); |
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} |
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void set_order(const char *expr) { |
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/** |
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* set the order of a condition object |
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*/ |
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est_cond_set_order(cond, expr); |
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} |
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void set_max(int _max) { |
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/** |
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* set the maximum number of retrieval of a condition object |
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*/ |
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est_cond_set_max(cond, _max); |
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} |
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void set_options(int options) { |
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/** |
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* set options of retrieval of a condition object |
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*/ |
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est_cond_set_options(cond, options); |
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} |
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}; |
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class Document { |
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private: |
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std::string text_buf; |
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public: |
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ESTDOC *doc; |
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Document() { |
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/** |
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* constructor |
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*/ |
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doc = est_doc_new(); |
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} |
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Document(const char* draft) { |
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/** |
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* constructor |
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*/ |
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doc = est_doc_new_from_draft(draft); |
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} |
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Document(ESTDOC *_doc) { |
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/** |
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* constructor |
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*/ |
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doc = _doc; |
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} |
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~Document() { |
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/** |
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* destructor |
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*/ |
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est_doc_delete(doc); |
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} |
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void add_attr(const char * name, const char*value) { |
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/** |
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* add an attribute to a document object |
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*/ |
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est_doc_add_attr(doc, name, value); |
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} |
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void add_text(const char *text) { |
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/** |
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* add a sentence of text to a document object |
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*/ |
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est_doc_add_text(doc, text); |
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} |
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void add_hidden_text(const char * text) { |
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/** |
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* add a hidden sentence to a document object |
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*/ |
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est_doc_add_hidden_text(doc, text); |
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} |
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int id() { |
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/** |
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* get the ID number of a document object |
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*/ |
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return est_doc_id(doc); |
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} |
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std::vector<std::string> * attr_names() { |
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/** |
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* get a list of attribute names of a document object |
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*/ |
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std::vector<std::string> * vs = new std::vector<std::string>; |
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CBLIST * attr_names = est_doc_attr_names(doc); |
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for (int i=0; i < cblistnum(attr_names); i++) { |
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vs->push_back(cblistval(attr_names, i, NULL)); |
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} |
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cblistclose(attr_names); |
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return vs; |
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} |
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const char * attr(const char *name) { |
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/** |
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* get the value of an attribute of a document object |
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*/ |
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return est_doc_attr(doc, name); |
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} |
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const char * cat_texts() { |
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/** |
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* get a list of sentences of the text of a document object |
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*/ |
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return est_doc_cat_texts(doc); |
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} |
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std::vector<std::string>* texts() { |
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/** |
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* get a list of sentences of the text of a document object |
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*/ |
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std::vector<std::string> * vs = new std::vector<std::string>; |
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const CBLIST *texts; |
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texts = est_doc_texts(doc); |
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for(int i = 0; i < cblistnum(texts); i++) { |
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vs->push_back(cblistval(texts, i, NULL)); |
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} |
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return vs; |
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} |
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const char * dump_draft() { |
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/** |
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* dump draft data of a document object |
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*/ |
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return est_doc_dump_draft(doc); |
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} |
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const char * make_snippet(std::vector<std::string> _words, int wwidth, int hwidth, int awidth) { |
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/** |
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* make a snippet of the body text of a document object |
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*/ |
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CBLIST * words; |
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std::vector<std::string>::iterator iter; |
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words = cblistopen(); |
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for (iter = _words.begin(); _words.end() != iter; iter++) { |
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cblistpush(words, iter->c_str(), -1); |
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} |
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const char *result = est_doc_make_snippet(doc, words, wwidth, hwidth, awidth); |
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cblistclose(words); |
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return result; |
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} |
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const char * hidden_texts() { |
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/** |
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* get the hidden texts of a document object. |
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*/ |
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return est_doc_hidden_texts(doc); |
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} |
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}; |
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class Database { |
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private: |
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ESTMTDB *db; |
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int ecode; |
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public: |
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enum { // enumeration for error codes |
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ERRNOERR = ESTENOERR, // no error |
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ERRINVAL = ESTEINVAL, // invalid argument |
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ERRACCES = ESTEACCES, // access forbidden |
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ERRLOCK = ESTELOCK, // lock failure |
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ERRDB = ESTEDB, // database problem |
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ERRIO = ESTEIO, // I/O problem |
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ERRNOITEM = ESTENOITEM, // no item |
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ERRMISC = ESTEMISC // miscellaneous |
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}; |
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enum { // enumeration for open modes |
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DBREADER = ESTDBREADER, // open as a reader |
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DBWRITER = ESTDBWRITER, // open as a writer |
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DBCREAT = ESTDBCREAT, // a writer creating |
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DBTRUNC = ESTDBTRUNC, // a writer truncating |
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DBNOLCK = ESTDBNOLCK, // open without locking |
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DBLCKNB = ESTDBLCKNB, // lock without blocking |
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DBPERFNG = ESTDBPERFNG // use perfect N-gram analyzer |
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}; |
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enum { // enumeration for options of document registration |
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PDCLEAN = ESTPDCLEAN // clean up dispensable regions |
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}; |
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enum { // enumeration for options of document deletion |
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ODCLEAN = ESTODCLEAN // clean up dispensable regions |
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}; |
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enum { // enumeration for options of optimization |
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OPTNOPURGE = ESTOPTNOPURGE, // omit purging dispensable region of deleted |
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OPTNODBOPT = ESTOPTNODBOPT // omit optimizization of the database files |
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}; |
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enum { // enumeration for options of document retrieval |
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GDNOATTR = ESTGDNOATTR, // no attributes |
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GDNOTEXT = ESTGDNOTEXT // no text |
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}; |
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Database() { |
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/** |
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* constructor(dummy) |
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*/ |
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db = NULL; |
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ecode = ERRNOERR; |
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} |
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~Database() { |
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if (db) close(); |
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} |
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bool open(const char * dbname, int mode) { |
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/** |
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* open the database |
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*/ |
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if (db) close(); |
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int ec; |
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db = est_mtdb_open(dbname, mode, &ec); |
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if (!db) ecode = ec; |
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return db; |
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} |
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bool close() { |
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/** |
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* close the database |
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*/ |
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if (!db) throw IOError("closed database"); |
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int ec; |
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bool result = est_mtdb_close(db, &ec); |
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if (!result) ecode = ec; |
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db = NULL; |
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return result; |
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} |
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bool put_doc(Document *doc, int options) { |
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/** |
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* add a document to a database |
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*/ |
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if (!db) throw IOError("closed database"); |
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bool result = est_mtdb_put_doc(db, doc->doc, options); |
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if (!result) ecode = est_mtdb_error(db); |
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return result; |
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} |
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std::vector<int> * search(Condition * cond, int options) { |
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/** |
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* search documents corresponding a condition for a database |
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*/ |
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if (!db) throw IOError("closed database"); |
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int resnum; |
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int * result = est_mtdb_search(db, cond->cond, &resnum, NULL); |
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std::vector<int> *numbers = new std::vector<int>; |
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for (int i=0; i<resnum; i++) { |
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numbers->push_back(result[i]); |
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} |
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return numbers; |
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} |
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static const char * err_msg(int ecode) { |
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/** |
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* get the string of an error |
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*/ |
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return est_err_msg(ecode); |
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} |
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int error() { |
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/** |
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* get the last happended error code of a database |
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*/ |
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return ecode; |
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} |
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bool fatal() { |
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/** |
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* check whether a database has a fatal error |
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*/ |
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if (!db) throw IOError("closed database"); |
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return est_mtdb_fatal(db); |
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} |
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bool flush(int _max) { |
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/** |
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* flush index words in the cache of a database |
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*/ |
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if (!db) throw IOError("closed database"); |
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bool result = est_mtdb_flush(db, _max); |
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if (!result) ecode = est_mtdb_error(db); |
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return result; |
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} |
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bool sync() { |
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/** |
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* synchronize updating contents of a database |
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*/ |
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if (!db) throw IOError("closed database"); |
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bool result = est_mtdb_sync(db); |
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if (!result) ecode = est_mtdb_error(db); |
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return result; |
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} |
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bool optimize(int options) { |
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/** |
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* optimize a database |
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*/ |
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dpavlin |
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if (!db) throw IOError("closed database"); |
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bool result = est_mtdb_optimize(db, options); |
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if (!result) ecode = est_mtdb_error(db); |
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return result; |
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} |
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bool out_doc(int id, int options) { |
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/** |
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* remove a document from a database |
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*/ |
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if (!db) throw IOError("closed database"); |
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bool result = est_mtdb_out_doc(db, id, options); |
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if (!result) ecode = est_mtdb_error(db); |
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return result; |
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} |
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bool edit_doc(Document *doc) { |
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/** |
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* edit an attribute of a document in a database |
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*/ |
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if (!db) throw IOError("closed database"); |
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bool result = est_mtdb_edit_doc(db, doc->doc); |
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if (!result) ecode = est_mtdb_error(db); |
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return result; |
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} |
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Document * get_doc(int id, int options) { |
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/** |
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* retrieve a document in a database |
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*/ |
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dpavlin |
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if (!db) throw IOError("closed database"); |
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ESTDOC *doc = est_mtdb_get_doc(db, id, options); |
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if (!doc) { |
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ecode = est_mtdb_error(db); |
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throw est_err_msg(est_mtdb_error(db)); |
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} else { |
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return new Document(doc); |
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} |
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} |
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int uri_to_id(const char *uri) { |
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/** |
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* get the ID of a document spacified by URI |
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*/ |
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dpavlin |
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if (!db) throw IOError("closed database"); |
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int result = est_mtdb_uri_to_id(db, uri); |
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if(result == -1) ecode = est_mtdb_error(db); |
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return result; |
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dpavlin |
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} |
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std::map<std::string, std::string> * etch_doc(Document * doc, int max) { |
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/** |
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* extract keywords of a document object |
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*/ |
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dpavlin |
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if (!db) throw IOError("closed database"); |
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dpavlin |
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std::map<std::string, std::string> * mss = new std::map<std::string, std::string>; |
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CBMAP * keys = est_mtdb_etch_doc(db, doc->doc, max); |
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cbmapiterinit(keys); |
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int ksiz; |
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while (const char *key = cbmapiternext(keys, &ksiz)) { |
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mss->insert(std::make_pair(key, cbmapget(keys, key, ksiz, NULL))); |
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} |
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return mss; |
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} |
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const char * name() { |
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/** |
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* get the name of a database |
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*/ |
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dpavlin |
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if (!db) throw IOError("closed database"); |
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dpavlin |
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return est_mtdb_name(db); |
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} |
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int doc_num() { |
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/** |
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* get the number of documents in a database |
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*/ |
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dpavlin |
6 |
if (!db) throw IOError("closed database"); |
402 |
dpavlin |
1 |
return est_mtdb_doc_num(db); |
403 |
|
|
} |
404 |
|
|
int word_num() { |
405 |
|
|
/** |
406 |
|
|
* get the number of unique words in a database |
407 |
|
|
*/ |
408 |
dpavlin |
6 |
if (!db) throw IOError("closed database"); |
409 |
dpavlin |
1 |
return est_mtdb_word_num(db); |
410 |
|
|
} |
411 |
|
|
double size() { |
412 |
|
|
/** |
413 |
|
|
* get the size of a database |
414 |
|
|
*/ |
415 |
dpavlin |
6 |
if (!db) throw IOError("closed database"); |
416 |
dpavlin |
1 |
return est_mtdb_size(db); |
417 |
|
|
} |
418 |
|
|
void set_cache_size(size_t size, int anum, int tnum) { |
419 |
|
|
/** |
420 |
|
|
* set the maximum size of the cache memory of a database |
421 |
|
|
*/ |
422 |
dpavlin |
6 |
if (!db) throw IOError("closed database"); |
423 |
dpavlin |
1 |
est_mtdb_set_cache_size(db, size, anum, tnum); |
424 |
|
|
} |
425 |
|
|
void set_special_cache(const char *name, int num) { |
426 |
|
|
/** |
427 |
|
|
* Set the special cache for narrowing and sorting |
428 |
|
|
* with document attributes |
429 |
|
|
*/ |
430 |
|
|
est_mtdb_set_special_cache(db, name, num); |
431 |
|
|
} |
432 |
|
|
}; |
433 |
dpavlin |
6 |
|
434 |
|
|
static std::vector<std::string> * break_text(const char *text, bool norm, bool tail) { |
435 |
|
|
std::vector<std::string> * vs = new std::vector<std::string>; |
436 |
|
|
CBLIST *list; |
437 |
|
|
list = cblistopen(); |
438 |
|
|
est_break_text(text, list, norm, tail); |
439 |
|
|
for (int i=0; i < cblistnum(list); i++) { |
440 |
|
|
vs->push_back(cblistval(list, i, NULL)); |
441 |
|
|
} |
442 |
|
|
cblistclose(list); |
443 |
|
|
return vs; |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
static std::vector<std::string> * break_text_perfng(const char *text, bool norm, bool tail) { |
447 |
|
|
std::vector<std::string> * vs = new std::vector<std::string>; |
448 |
|
|
CBLIST *list; |
449 |
|
|
list = cblistopen(); |
450 |
|
|
est_break_text_perfng(text, list, norm, tail); |
451 |
|
|
for (int i=0; i < cblistnum(list); i++) { |
452 |
|
|
vs->push_back(cblistval(list, i, NULL)); |
453 |
|
|
} |
454 |
|
|
cblistclose(list); |
455 |
|
|
return vs; |
456 |
|
|
} |
457 |
|
|
|
458 |
dpavlin |
9 |
class NodeDocument { |
459 |
|
|
private: |
460 |
|
|
ESTRESDOC *rdoc; |
461 |
|
|
public: |
462 |
|
|
NodeDocument(ESTNODERES *nres, int index) { |
463 |
|
|
rdoc = est_noderes_get_doc(nres, index); |
464 |
|
|
} |
465 |
|
|
const char *uri(void) { |
466 |
|
|
return est_resdoc_uri(rdoc); |
467 |
|
|
} |
468 |
|
|
std::vector<std::string> * attr_names() { |
469 |
|
|
std::vector<std::string> * vs = new std::vector<std::string>; |
470 |
|
|
CBLIST * attr_names = est_resdoc_attr_names(rdoc); |
471 |
|
|
for (int i=0; i < cblistnum(attr_names); i++) { |
472 |
|
|
vs->push_back(cblistval(attr_names, i, NULL)); |
473 |
|
|
} |
474 |
|
|
cblistclose(attr_names); |
475 |
|
|
return vs; |
476 |
|
|
} |
477 |
|
|
const char *attr(const char *name) { |
478 |
|
|
return est_resdoc_attr(rdoc, name); |
479 |
|
|
} |
480 |
|
|
const char *snippet(void) { |
481 |
|
|
return est_resdoc_snippet(rdoc); |
482 |
|
|
} |
483 |
|
|
}; |
484 |
|
|
|
485 |
|
|
class NodeRes { |
486 |
|
|
private: |
487 |
|
|
ESTNODERES *nres; |
488 |
|
|
public: |
489 |
|
|
NodeRes(ESTNODE *node, ESTCOND *cond, int depth) { |
490 |
|
|
nres = est_node_search(node, cond, depth); |
491 |
|
|
} |
492 |
|
|
~NodeRes() { |
493 |
|
|
est_noderes_delete(nres); |
494 |
|
|
} |
495 |
|
|
std::map<std::string, std::string> * hints(void) { |
496 |
|
|
std::map<std::string, std::string> * hints = new std::map<std::string, std::string>; |
497 |
|
|
CBMAP * keys = est_noderes_hints(nres); |
498 |
|
|
cbmapiterinit(keys); |
499 |
|
|
int ksiz; |
500 |
|
|
while (const char *key = cbmapiternext(keys, &ksiz)) { |
501 |
|
|
hints->insert(std::make_pair(key, cbmapget(keys, key, ksiz, NULL))); |
502 |
|
|
} |
503 |
|
|
return hints; |
504 |
|
|
} |
505 |
|
|
int doc_num(void) { |
506 |
|
|
return est_noderes_doc_num(nres); |
507 |
|
|
} |
508 |
|
|
NodeDocument * get_doc(int index) { |
509 |
|
|
return new NodeDocument(nres, index); |
510 |
|
|
} |
511 |
|
|
}; |
512 |
|
|
|
513 |
|
|
class Node { |
514 |
|
|
private: |
515 |
|
|
ESTNODE *node; |
516 |
dpavlin |
11 |
int netenv_ok; |
517 |
dpavlin |
9 |
public: |
518 |
|
|
Node(const char *url) { |
519 |
dpavlin |
11 |
netenv_ok = est_init_net_env(); |
520 |
|
|
if (! netenv_ok) throw IOError("can't init net env"); |
521 |
dpavlin |
9 |
node = est_node_new(url); |
522 |
|
|
if (! node) throw IOError("can't create node"); |
523 |
|
|
} |
524 |
|
|
~Node() { |
525 |
|
|
est_node_delete(node); |
526 |
dpavlin |
11 |
est_free_net_env(); |
527 |
dpavlin |
9 |
} |
528 |
|
|
void set_proxy(const char *host, int port) { |
529 |
|
|
est_node_set_proxy(node, host, port); |
530 |
|
|
} |
531 |
|
|
void set_timeout(int sec) { |
532 |
|
|
est_node_set_timeout(node, sec); |
533 |
|
|
} |
534 |
|
|
void set_auth(const char *name, const char *passwd) { |
535 |
|
|
est_node_set_auth(node, name, passwd); |
536 |
|
|
} |
537 |
|
|
int status(void) { |
538 |
|
|
return est_node_status(node); |
539 |
|
|
} |
540 |
|
|
bool put_doc(Document *doc) { |
541 |
|
|
return est_node_put_doc(node, doc->doc); |
542 |
|
|
} |
543 |
|
|
bool out_doc(int id) { |
544 |
|
|
return est_node_out_doc(node, id); |
545 |
|
|
} |
546 |
|
|
bool out_doc_by_uri(const char *uri) { |
547 |
|
|
return est_node_out_doc_by_uri(node, uri); |
548 |
|
|
} |
549 |
|
|
#ifdef est_node_edit_doc |
550 |
|
|
bool edit_doc(Document *doc) { |
551 |
|
|
return est_node_edit_doc(node, doc->doc); |
552 |
|
|
} |
553 |
|
|
#endif |
554 |
|
|
Document * get_doc(int id) { |
555 |
|
|
ESTDOC *doc = est_node_get_doc(node, id); |
556 |
|
|
if (!doc) { |
557 |
|
|
return NULL; |
558 |
|
|
} else { |
559 |
|
|
return new Document(doc); |
560 |
|
|
} |
561 |
|
|
} |
562 |
|
|
Document * get_doc_by_uri(const char *uri) { |
563 |
|
|
ESTDOC *doc = est_node_get_doc_by_uri(node, uri); |
564 |
|
|
if (!doc) { |
565 |
|
|
return NULL; |
566 |
|
|
} else { |
567 |
|
|
return new Document(doc); |
568 |
|
|
} |
569 |
|
|
} |
570 |
|
|
char * get_doc_attr(int id, const char *name) { |
571 |
|
|
/* is this leeking memory? shouldn't I create |
572 |
|
|
* object and free memory region returned? |
573 |
|
|
*/ |
574 |
|
|
return est_node_get_doc_attr(node, id, name); |
575 |
|
|
} |
576 |
|
|
char * get_doc_attr_by_uri(const char *uri, const char *name) { |
577 |
|
|
return est_node_get_doc_attr_by_uri(node, uri, name); |
578 |
|
|
} |
579 |
|
|
int uri_to_id(const char *uri) { |
580 |
|
|
return est_node_uri_to_id(node, uri); |
581 |
|
|
} |
582 |
|
|
const char * name(void) { |
583 |
|
|
return est_node_name(node); |
584 |
|
|
} |
585 |
|
|
const char * label(void) { |
586 |
|
|
return est_node_label(node); |
587 |
|
|
} |
588 |
|
|
int doc_num(void) { |
589 |
|
|
return est_node_doc_num(node); |
590 |
|
|
} |
591 |
|
|
int word_num(void) { |
592 |
|
|
return est_node_word_num(node); |
593 |
|
|
} |
594 |
|
|
double size(void) { |
595 |
|
|
return est_node_size(node); |
596 |
|
|
} |
597 |
|
|
NodeRes * search(ESTCOND *cond, int depth) { |
598 |
|
|
return new NodeRes(node, cond, depth); |
599 |
|
|
} |
600 |
|
|
int set_user(const char *name, int mode) { |
601 |
|
|
return est_node_set_user(node, name, mode); |
602 |
|
|
} |
603 |
|
|
int set_link(const char *url, const char *label, int credit) { |
604 |
|
|
return est_node_set_link(node, url, label, credit); |
605 |
|
|
} |
606 |
|
|
}; |
607 |
|
|
|
608 |
dpavlin |
1 |
}; |