X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=XMLTree.h;h=9b79ae3eab6040b473c0eb65473aabf4ea4836bd;hb=06201fcce6255906ad6b4d305b8e643c634780a3;hp=a00487ac710eb82d96cdcf94437fa541fff3692b;hpb=dd9992dcd5366f37820c24ed7cddf24ecbc0d549;p=SXSI%2FXMLTree.git diff --git a/XMLTree.h b/XMLTree.h index a00487a..9b79ae3 100644 --- a/XMLTree.h +++ b/XMLTree.h @@ -21,7 +21,7 @@ #ifndef XMLTREE_H_ #define XMLTREE_H_ -#include "TextCollection/TextCollection.h" +#include "TextCollection/TextCollectionBuilder.h" #include #include #include @@ -37,6 +37,7 @@ #include #include using SXSI::TextCollection; +using SXSI::TextCollectionBuilder; // this constant is used to efficiently compute the child operation in the tree @@ -84,9 +85,15 @@ class XMLTree { /** Tag sequence represented with a data structure for rank and select */ static_sequence *Tags; + uint * tags_fix; + uint tags_blen, tags_len; /** The texts in the XML document */ + TextCollectionBuilder *TextBuilder; TextCollection *Text; + + /** The texts in the XML document (cached for faster display) */ + vector CachedText; /** Flag indicating whether the whole data structure has been constructed or * not. If the value is true, you cannot add more texts, nodes, etc. */ @@ -118,9 +125,10 @@ class XMLTree { bool disable_tc; public: + void print_stats(); /** Data structure constructor */ - XMLTree() {finished = false; initialized = false;}; + XMLTree() {finished = false; initialized = false; Text = 0; TextBuilder = 0; }; /** Data structure destructor */ ~XMLTree(); @@ -202,9 +210,21 @@ public: * is none. */ treeNode TaggedDesc(treeNode x, TagType tag); - /** TaggedNext(x,tag): returns the first node tagged tag with larger - * preorder than x. Returns NULT if there is none. */ - treeNode TaggedNext(treeNode x, TagType tag); + + treeNode TaggedBelow(treeNode x, TagType *childtags, unsigned int ctlen, + TagType *desctags, unsigned int dtlen); + + treeNode TaggedNext(treeNode x, TagType *childtags, unsigned int ctlen, + TagType *folltags, unsigned int flen,treeNode root); + + treeNode TaggedDescOnly(treeNode x, TagType *desctags, unsigned int dtlen); + + treeNode TaggedDescOrFollOnly(treeNode x, TagType *folltags, unsigned int flen, + treeNode root); + + treeNode TaggedFollOnly(treeNode x, TagType *folltags, unsigned int flen, + treeNode root); + /** TaggedPrec(x,tag): returns the first node tagged tag with smaller * preorder than x and not an ancestor of x. Returns NULLT if there @@ -215,7 +235,16 @@ public: * preorder than x and not in the subtree of x. Returns NULLT if there * is none. */ treeNode TaggedFoll(treeNode x, TagType tag); - + + treeNode TaggedFollBelow(treeNode x, TagType tag,treeNode root); + + /** TaggedFollowingSibling(x,tag) */ + treeNode TaggedFollowingSibling(treeNode x, TagType tag); + + /** TaggedAncestor(x, tag): returns the closest ancestor of x tagged + * tag. Return NULLT is there is none. */ + treeNode TaggedAncestor(treeNode x, TagType tag); + /** PrevText(x): returns the document identifier of the text to the left of * node x, or NULLT if x is the root node. */ DocID PrevText(treeNode x); @@ -238,6 +267,7 @@ public: /** ParentNode(d): returns the parent node of document identifier d. */ treeNode ParentNode(DocID d); + treeNode PrevNode(DocID d); /** OpenDocument(empty_texts,sample_rate_text,dtc): initilizes the construction * of the data structure for the XML document. Parameter empty_texts @@ -304,7 +334,7 @@ public: TagType RegisterTag(unsigned char *tagname); bool EmptyText(DocID i) { - return Text->EmptyText(i); + return Text->EmptyText(i); } /** Prefix(s): search for texts prefixed by string s. */ TextCollection::document_result Prefix(uchar const *s) { @@ -359,6 +389,11 @@ public: bool IsLessThan(uchar const *s) { return Text->IsLessThan(s); } + + /** Count(s): Global counting */ + unsigned Count(uchar const *s) { + return Text->Count(s); + } /** CountPrefix(s): counting version of Prefix(s). */ unsigned CountPrefix(uchar const *s) { @@ -388,7 +423,13 @@ public: /** GetText(d): returns the text corresponding to document with * id d. */ uchar* GetText(DocID d) { - return Text->GetText(d); + return Text->GetText(d); + } + + uchar* GetCachedText(DocID d) { + uchar * str = (uchar*) calloc(sizeof(char),(CachedText.at(d).size() + 1)); + strcpy((char*) str,(const char*) CachedText.at(d).c_str()); + return (uchar*) (str); } TextCollection *getTextCollection() {