Changeset 1300 for trunk/gsdl/src/mgpp/text/Terms.cpp

Timestamp:

2000-07-24T14:46:11+12:00 (24 years ago)

Author:

kjm18

Message:

added full text browsing functionality

File:

• trunk/gsdl/src/mgpp/text/Terms.cpp (modified) (2 diffs)

trunk/gsdl/src/mgpp/text/Terms.cpp

@@ -143 +143 @@
       (r1.termFreqs == r2.termFreqs));
 }
+
+//-------------------------------------------------------
+// new BrowseQueryResult stuff
+void BrowseQueryResult::Clear () {
+  termFreqs.erase (termFreqs.begin(), termFreqs.end());
+}
+
+BrowseQueryResult::BrowseQueryResult () {
+  Clear ();
+}
+
+
+
+ostream &operator<< (ostream &s, const BrowseQueryResult &r) {
+  s << "terms: ";
+  unsigned long i;
+  for (i=0; i<r.termFreqs.size(); i++)
+    s << r.termFreqs[i] << ", ";
+    s << "\n\n";
+  return s;
+}
+
+
+bool operator== (const BrowseQueryResult &r1, const BrowseQueryResult &r2) {
+  return ((r1.termFreqs == r2.termFreqs));
+     
+}
+
+
+
 
 //--------------------------------------
@@ -668 +698 @@
     result.ranks.erase (result.ranks.begin(), result.ranks.end());
 }
+
+
+
+//--------------------------------------------------------------
+// functions to support full text browse
+
+void FindNearestWordNumber (IndexData &indexData,
+                const UCArray &term,
+                unsigned long &number) {
+
+    // find the word number for this term
+    unsigned long wordElNum = 0;
+    unsigned long numLevels = indexData.bdh.num_levels;
+    word_block_dict_el wordDictEl;
+    wordDictEl.SetNumLevels (numLevels);
+    if (NearestSearchWordBlockDictEl (indexData.dictFile, indexData.biWords,
+                      indexData.bdh.entries_per_wblk,
+                      indexData.bdh.word_dict_size,
+                      numLevels, term, wordDictEl, wordElNum))
+      number = wordElNum;
+
+}
+
+void GetTermList(IndexData &indexData,
+         unsigned long startTerm,
+         unsigned long numTerms,
+         TermFreqArray &terms) {
+
+  word_block_dict_el_array wordBlocks; // = new word_block_dict_el_array();
+  TermFreqData termdata;
+
+  terms.erase(terms.begin(), terms.end());
+
+  SearchWordBlockDictElNumRange (indexData.dictFile, indexData.biWords,
+                 indexData.bdh.entries_per_wblk,
+                 indexData.bdh.word_dict_size,
+                 indexData.bdh.num_levels, startTerm,
+                 numTerms, wordBlocks);
+
+  word_block_dict_el_array::iterator here = wordBlocks.begin();
+  word_block_dict_el_array::iterator end = wordBlocks.end();
+
+  while (here != end) {
+    termdata.Clear();
+    termdata.term = (*here).el;
+    termdata.termFreq = (*here).freq;
+    terms.push_back(termdata);
+    here++;
+  }
+
+}
+
+void GetTermList(IndexData &indexData,
+         unsigned long startTerm,
+         unsigned long numTerms,
+         UCArrayVector &terms) {
+
+  
+  
+  SearchWordBlockDictElNumRange (indexData.dictFile, indexData.biWords,
+                 indexData.bdh.entries_per_wblk,
+                 indexData.bdh.word_dict_size,
+                 indexData.bdh.num_levels, startTerm,
+                 numTerms, terms);
+
+}
+
+
+