[14463] | 1 | /*
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[16349] | 2 | * MGPPSearchWrapperImpl.cpp
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| 3 | * Copyright (C) 2007 New Zealand Digital Library, http://www.nzdl.org
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[14463] | 4 | *
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| 5 | * This program is free software; you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation; either version 2 of the License, or
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| 8 | * (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 18 | */
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| 19 | #ifdef __WIN32__
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[14910] | 20 | #include <win32cfg.h>
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[14463] | 21 | #include <strstream>
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| 22 | #include <sstream>
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| 23 | #else
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| 24 | #ifdef __APPLE__
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| 25 | #include <strstream>
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| 26 | #include <sstream>
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| 27 | #else
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| 28 | #include <sstream>
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| 29 | #endif
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| 30 | #endif
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| 31 |
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| 32 | #include <jni.h>
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[26660] | 33 |
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| 34 | #ifdef __MINGW32__
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| 35 |
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| 36 | /* Cross compiling for Windows
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| 37 | Want the type definitions in *win32* version of jni_md.h but
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| 38 | this then leads to C-mangled style functions which we *don't*
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| 39 | want. The following achieves this */
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| 40 |
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| 41 | #undef JNIEXPORT
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| 42 | #undef JNIIMPORT
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| 43 | #undef JNICALL
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| 44 |
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| 45 | #define JNIEXPORT
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| 46 | #define JNIIMPORT
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| 47 | #define JNICALL
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| 48 | #endif
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| 49 |
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[14463] | 50 | #include "org_greenstone_mgpp_MGPPSearchWrapper.h"
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[16349] | 51 | #include "MGPPSearchWrapperImpl.h"
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[14463] | 52 | #include "GSDLQueryParser.h"
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| 53 | #include "MGQuery.h"
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[25245] | 54 |
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[25246] | 55 | // toggle debugging
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| 56 | //#define _DEBUG
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[14463] | 57 |
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[16349] | 58 | MGPPSearchData::MGPPSearchData() {
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[14463] | 59 | indexData = new IndexData();
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| 60 | queryInfo = new QueryInfo();
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| 61 |
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| 62 | if (queryInfo==NULL) {
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| 63 | cerr<<"couldn't allocate new query info\n";
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| 64 | if (indexData!=NULL) {
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| 65 | delete indexData;
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| 66 | }
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| 67 | }
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| 68 |
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| 69 | // set all the default params
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| 70 | SetCStr(queryInfo->docLevel, "Document"); // the level to search at
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| 71 | queryInfo->maxDocs = 50;
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| 72 | queryInfo->sortByRank = true;
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| 73 | queryInfo->exactWeights = false;
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| 74 | queryInfo->needRankInfo = true;
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| 75 | queryInfo->needTermFreqs = true;
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| 76 |
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| 77 | UCArrayClear(level);
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| 78 | SetCStr(level, "Document"); // the level to return docs at
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| 79 | defaultStemMethod=0;
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| 80 | defaultBoolCombine=0;
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| 81 | maxNumeric = 4;
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| 82 | }
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| 83 |
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[16349] | 84 | MGPPSearchData::~MGPPSearchData() {
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[14463] | 85 | if (indexData !=NULL) {
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| 86 | delete indexData;
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| 87 | }
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| 88 | if (queryInfo !=NULL) {
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| 89 | delete queryInfo;
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| 90 | }
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| 91 | }
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| 92 |
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| 93 | // ********************************************
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| 94 | // initialisation stuff
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| 95 | // ********************************************
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| 96 |
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| 97 | // cached ids for java stuff
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[16349] | 98 | jfieldID FID_mgpp_data = NULL; // MGPPSearchData
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[14463] | 99 | jfieldID FID_query_result = NULL; // MGPPQueryResult
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| 100 | jmethodID MID_addDoc=NULL; // MGPPQueryResult.addDoc()
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| 101 | jmethodID MID_addTerm=NULL; // MGPPQueryResult.addTerm()
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| 102 | jmethodID MID_setTotalDocs=NULL; // MGPPQueryResult.setTotalDocs()
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| 103 | jmethodID MID_clearResult=NULL; //MGPPQueryResult.clear()
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| 104 | jmethodID MID_setSyntaxError=NULL; // MGPPQueryResult.setSyntaxError()
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| 105 | jclass CID_String=NULL; // class ID of String
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| 106 |
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| 107 | /* to access objects and methods on java side, need their field/method ids -
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| 108 | this initialises them at the start to avoid recalculating them each time they
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| 109 | are needed
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| 110 | Note: the descriptors need to be exactly right, otherwise you get an error
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| 111 | saying "no such field" but no reference to the fact that it has the right
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| 112 | name but the wrong type.
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| 113 | Note: apparently the jclass is a local ref and should only work
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| 114 | in the method that created it. It seems to work ok, but I'll make it
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| 115 | global cos the book said I should, and it may avoid future hassles.
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| 116 | */
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| 117 | JNIEXPORT void JNICALL
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| 118 | Java_org_greenstone_mgpp_MGPPSearchWrapper_initIDs (JNIEnv *j_env, jclass j_cls) {
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| 119 |
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| 120 | FID_mgpp_data = j_env->GetFieldID(j_cls, "mgpp_data_ptr_", "J"); //a long-"J"
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| 121 | if (FID_mgpp_data==NULL) {
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| 122 | cerr <<"MGPP JNI: field mgpp_data_ptr_ not found"<<endl;
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| 123 | }
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| 124 |
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| 125 | FID_query_result = j_env->GetFieldID(j_cls, "mgpp_query_result_", "Lorg/greenstone/mgpp/MGPPQueryResult;"); // an object -"L<class name>;"
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| 126 | if (FID_query_result==NULL) {
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| 127 | cerr <<"MGPP JNI: field mgpp_query_result_ not found"<<endl;
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| 128 | }
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| 129 | // the methods we want to use
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| 130 |
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| 131 | // addDoc(long doc, float rank)
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| 132 | jclass JC_MGPPQueryResult = j_env->FindClass("org/greenstone/mgpp/MGPPQueryResult");
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| 133 | MID_addDoc = j_env->GetMethodID(JC_MGPPQueryResult, "addDoc", "(JF)V");
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| 134 | if (MID_addDoc==NULL) {
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| 135 | cerr <<"MGPP JNI: addDoc method not found"<<endl;
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| 136 | }
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| 137 | // addTerm(String term, String tag, int stem_method, long match_docs,
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| 138 | // long term_freq, String[] equiv_terms)
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| 139 | MID_addTerm = j_env->GetMethodID(JC_MGPPQueryResult, "addTerm", "(Ljava/lang/String;Ljava/lang/String;IJJ[Ljava/lang/String;)V");
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| 140 | if (MID_addTerm==NULL) {
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| 141 | cerr <<"MGPP JNI: method addTerm not found"<<endl;
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| 142 | }
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| 143 |
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| 144 | // setTotalDocs(long)
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| 145 | MID_setTotalDocs = j_env->GetMethodID(JC_MGPPQueryResult, "setTotalDocs", "(J)V");
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| 146 | if (MID_setTotalDocs==NULL) {
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| 147 | cerr <<"MGPP JNI: method setTotalDocs not found"<<endl;
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| 148 | }
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| 149 |
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| 150 | MID_clearResult = j_env->GetMethodID(JC_MGPPQueryResult, "clear", "()V");
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| 151 | if (MID_clearResult==NULL) {
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| 152 | cerr <<"MGPP JNI: method clear not found"<<endl;
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| 153 | }
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| 154 | MID_setSyntaxError = j_env->GetMethodID(JC_MGPPQueryResult, "setSyntaxError", "(Z)V");
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| 155 | if (MID_clearResult==NULL) {
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| 156 | cerr <<"MGPP JNI: method setSyntaxError not found"<<endl;
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| 157 | }
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| 158 |
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| 159 | // get the class for String to use in NewObjectArray in runQuery()
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| 160 | // FindClass returns a local reference - have to convert it to a global one
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| 161 | jclass local_CID_String = j_env->FindClass("java/lang/String");
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| 162 | if (local_CID_String==NULL) {
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| 163 | cerr <<"MGPP JNI: java String class not found"<<endl;
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| 164 | } else {
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| 165 | /* create a global ref */
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| 166 | CID_String = (jclass)j_env->NewGlobalRef(local_CID_String);
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| 167 | /* The local reference is no longer useful */
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| 168 | j_env->DeleteLocalRef(local_CID_String);
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| 169 |
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| 170 | /* Is the global reference created successfully? */
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| 171 | if (CID_String == NULL) {
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| 172 | return; /* out of memory exception thrown */
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | }
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| 177 |
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[16349] | 178 | /* the java side MGPPSearchWrapper has a pointer to a C++ object - MGPPSearchData
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[14463] | 179 | initialise this and set the pointer
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| 180 | */
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| 181 | JNIEXPORT jboolean JNICALL
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| 182 | Java_org_greenstone_mgpp_MGPPSearchWrapper_initCppSide (JNIEnv *j_env, jobject j_obj){
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| 183 |
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[25245] | 184 | #ifdef _DEBUG
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| 185 | cerr << "**** JNI debugging for GS3. initCppSide: SetLongField()\n";
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| 186 | #endif
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| 187 |
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[16349] | 188 | MGPPSearchData * data = new MGPPSearchData();
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[25245] | 189 |
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| 190 | #ifdef _DEBUG
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| 191 | fprintf (stderr, "1a. data before SetLongField() is: %ld and as hex: %lX\n", data, data);
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| 192 | fprintf (stderr, "1b. FID_mgpp_data before SetLongField() is: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
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| 193 | #endif
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| 194 |
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[25244] | 195 | j_env->SetLongField(j_obj, FID_mgpp_data, (long)data);
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[14463] | 196 |
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[25245] | 197 | #ifdef _DEBUG
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| 198 | fprintf (stderr, "1a. data after SetLongField() is: %ld and as hex: %lX\n", data, data);
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| 199 | fprintf (stderr, "1b. FID_mgpp_data after SetLongField() is: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
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| 200 | #endif
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| 201 |
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[14463] | 202 | return true;
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| 203 |
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| 204 | }
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| 205 |
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| 206 | //******************************************
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| 207 | // do a query
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| 208 | // ****************************************
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| 209 |
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| 210 | /* load the IndexData - cached for querying
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| 211 | */
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| 212 | JNIEXPORT jboolean JNICALL
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| 213 | Java_org_greenstone_mgpp_MGPPSearchWrapper_loadIndexData (JNIEnv *j_env, jobject j_obj, jstring j_index_name) {
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[25245] | 214 | #ifdef _DEBUG
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| 215 | fprintf (stderr, "in loadIndexData\n");
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| 216 | #endif
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[14463] | 217 |
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[25244] | 218 | jlong data_ptr = j_env->GetLongField(j_obj, FID_mgpp_data);
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[25245] | 219 |
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| 220 | #ifdef _DEBUG
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| 221 | fprintf (stderr, "1. data_ptr at start is: %ld and as hex: %lX\n", data_ptr, data_ptr);
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| 222 | #endif
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| 223 |
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[16349] | 224 | MGPPSearchData * data = (MGPPSearchData *)data_ptr;
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[14463] | 225 |
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| 226 | #ifdef __WIN32__
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| 227 | const char* base_dir = "";
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| 228 | #else
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| 229 | const char* base_dir = "/";
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| 230 | #endif
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| 231 |
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| 232 | const char * index_name = j_env->GetStringUTFChars( j_index_name, NULL);
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| 233 | if (index_name==NULL) {
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| 234 | return false;
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| 235 | }
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| 236 |
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| 237 | jboolean j_result=false;
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| 238 |
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| 239 | // why doesn't this complain about const??
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| 240 | if (data->indexData->LoadData(base_dir, index_name)) {
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| 241 | j_result=true;
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| 242 | }
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| 243 |
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| 244 | // release any gets
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| 245 | j_env->ReleaseStringUTFChars(j_index_name, index_name);
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| 246 |
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| 247 | return j_result;
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| 248 | }
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| 249 |
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| 250 | /* unload the data
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| 251 | */
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| 252 | JNIEXPORT jboolean JNICALL
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| 253 | Java_org_greenstone_mgpp_MGPPSearchWrapper_unloadIndexData (JNIEnv *j_env, jobject j_obj) {
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| 254 |
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[25245] | 255 | #ifdef _DEBUG
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| 256 | fprintf (stderr, "in unloadIndexData\n");
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| 257 | #endif
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| 258 |
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[25244] | 259 | jlong data_ptr = j_env->GetLongField(j_obj, FID_mgpp_data);
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[25245] | 260 |
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| 261 | #ifdef _DEBUG
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| 262 | fprintf (stderr, "1. data_ptr at start is: %ld and as hex: %lX\n", data_ptr, data_ptr);
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| 263 | #endif
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| 264 |
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[16349] | 265 | MGPPSearchData * data = (MGPPSearchData *)data_ptr;
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[14463] | 266 |
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| 267 | data->indexData->UnloadData();
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| 268 | return true;
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| 269 |
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| 270 | }
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| 271 |
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| 272 | /* do the actual query - the results are written to query_result held on the
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| 273 | java side */
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| 274 | JNIEXPORT void JNICALL
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| 275 | Java_org_greenstone_mgpp_MGPPSearchWrapper_runQuery (JNIEnv *j_env, jobject j_obj, jstring j_query){
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| 276 |
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| 277 | jthrowable exc; // an exception - check if something funny has happened
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| 278 | const char *query = j_env->GetStringUTFChars(j_query, NULL);
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| 279 | if (query==NULL) {
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| 280 | return; // exception already thrown
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| 281 | }
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| 282 | // turn to UCArray for mgpp and then release the string
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| 283 | UCArray queryArray;
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| 284 | SetCStr(queryArray, query);
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| 285 | j_env->ReleaseStringUTFChars(j_query, query);
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| 286 |
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| 287 | // the query data
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[25244] | 288 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
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[14463] | 289 |
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| 290 | // the result to write to
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| 291 | jobject result_ptr = j_env->GetObjectField(j_obj, FID_query_result);
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| 292 | if (result_ptr==NULL) {
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| 293 | cerr <<"couldn't access the result to write to"<<endl;
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| 294 | return;
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| 295 | }
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| 296 |
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| 297 | // clear the result
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| 298 | j_env->CallVoidMethod(result_ptr, MID_clearResult);
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[16349] | 299 | exc = j_env->ExceptionOccurred(); // this catches the exception I think - it
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[14463] | 300 | //wont be thrown any further
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| 301 | if (exc) {
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| 302 | j_env->ExceptionDescribe();
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| 303 | return;
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| 304 | }
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| 305 | // the mgpp QueryResult that we will use
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| 306 | ExtQueryResult queryResult;
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| 307 |
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| 308 | QueryNode * queryTree = NULL;
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| 309 | // parse the query string into a tree structure
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| 310 | queryTree = ParseQuery(queryArray, data->defaultBoolCombine,
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| 311 | data->defaultStemMethod, data->maxNumeric);
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| 312 | if (queryTree == NULL) {
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| 313 | // invalid syntax
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| 314 | j_env->CallVoidMethod(result_ptr, MID_setSyntaxError, true);
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[16349] | 315 | cerr << "MGPPSearchWrapperImpl: invalid query syntax!!\n";
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[14463] | 316 | return;
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| 317 | }
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| 318 | // print the query
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| 319 | PrintNode (cout, queryTree);
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| 320 | // finally, do the query
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| 321 | MGQuery(*(data->indexData), *(data->queryInfo), queryTree, queryResult, data->level);
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| 322 |
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| 323 | delete queryTree;
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| 324 |
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| 325 | // convert queryResult to the java side version
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| 326 | // use levels rather than docs of ExtQueryResult
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| 327 | // CallVoidMethod(obj, method id, args to method)
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| 328 | for (int i=0; i<queryResult.levels.size(); i++) {
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| 329 | jlong doc = queryResult.levels[i];
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| 330 | jfloat rank = queryResult.ranks[i];
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| 331 | j_env->CallVoidMethod(result_ptr, MID_addDoc, doc, rank);
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| 332 | exc = j_env->ExceptionOccurred();
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| 333 | if (exc) {
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| 334 | j_env->ExceptionDescribe();
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| 335 | return;
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| 336 | }
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| 337 |
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| 338 | }
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| 339 |
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| 340 | // actual num of docs
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| 341 | jlong total = queryResult.actualNumDocs;
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| 342 | j_env->CallVoidMethod(result_ptr, MID_setTotalDocs, total);
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| 343 | exc = j_env->ExceptionOccurred();
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| 344 | if (exc) {
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| 345 | j_env->ExceptionDescribe();
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| 346 | return;
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| 347 | }
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| 348 |
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| 349 | // the terms
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| 350 | for (int j=0; j<queryResult.termFreqs.size(); j++) {
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| 351 |
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| 352 | TermFreqData tf = queryResult.termFreqs[j];
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| 353 | jstring term = j_env->NewStringUTF(GetCStr(tf.term));
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| 354 | jstring tag = j_env->NewStringUTF(GetCStr(tf.tag));
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| 355 | jint stem = tf.stemMethod;
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| 356 | jlong match = tf.matchDocs;
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| 357 | jlong freq = tf.termFreq;
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| 358 |
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| 359 | jobjectArray equivs=NULL;
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| 360 | jstring empty = j_env->NewStringUTF(""); // the initial object to fill the array
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| 361 | jint num_equivs = tf.equivTerms.size();
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| 362 | equivs = j_env->NewObjectArray(num_equivs, CID_String, empty);
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| 363 | if (equivs==NULL) {
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| 364 | cerr<<"couldn't create object array"<<endl;
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| 365 |
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| 366 | } else {
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| 367 | for (int k=0; k<num_equivs;k++) {
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| 368 | jstring equiv = j_env->NewStringUTF(GetCStr(tf.equivTerms[k]));
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| 369 | j_env->SetObjectArrayElement(equivs, k, equiv);
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| 370 | }
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| 371 |
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| 372 |
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| 373 | j_env->CallVoidMethod(result_ptr, MID_addTerm, term, tag, stem, match, freq, equivs);
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| 374 | exc = j_env->ExceptionOccurred();
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| 375 | if (exc) {
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| 376 | j_env->ExceptionDescribe();
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| 377 | return;
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| 378 | }
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| 379 | }
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| 380 | }
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| 381 |
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| 382 |
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| 383 | }
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| 384 |
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| 385 | JNIEXPORT void JNICALL
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| 386 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setStem (JNIEnv *j_env,
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| 387 | jobject j_obj,
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| 388 | jboolean j_on) {
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[25244] | 389 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
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[14463] | 390 | if (j_on) {
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| 391 | data->defaultStemMethod |= 2;
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| 392 | } else {
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| 393 | data->defaultStemMethod &= 0xd;
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| 394 | }
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| 395 |
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| 396 | }
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| 397 |
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| 398 | JNIEXPORT void JNICALL
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| 399 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setAccentFold (JNIEnv *j_env,
|
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| 400 | jobject j_obj,
|
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| 401 | jboolean j_on) {
|
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[25244] | 402 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
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[14463] | 403 | if (j_on) {
|
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| 404 | data->defaultStemMethod |= 4;
|
---|
| 405 | } else {
|
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| 406 | data->defaultStemMethod &= 0xb;
|
---|
| 407 | }
|
---|
| 408 | }
|
---|
| 409 |
|
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| 410 |
|
---|
| 411 | JNIEXPORT void JNICALL
|
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| 412 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setCase (JNIEnv *j_env,
|
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| 413 | jobject j_obj,
|
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| 414 | jboolean j_on) {
|
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[25244] | 415 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
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[14463] | 416 |
|
---|
| 417 | if (j_on) {
|
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| 418 | data->defaultStemMethod |= 1;
|
---|
| 419 | } else {
|
---|
| 420 | data->defaultStemMethod &= 0xe;
|
---|
| 421 | }
|
---|
| 422 | }
|
---|
| 423 |
|
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| 424 | JNIEXPORT void JNICALL
|
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| 425 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setMaxDocs (JNIEnv *j_env,
|
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| 426 | jobject j_obj,
|
---|
| 427 | jint j_max) {
|
---|
[25244] | 428 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
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[14463] | 429 | data->queryInfo->maxDocs=j_max;
|
---|
| 430 | }
|
---|
| 431 |
|
---|
| 432 | JNIEXPORT void JNICALL
|
---|
| 433 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setMaxNumeric (JNIEnv *j_env,
|
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| 434 | jobject j_obj,
|
---|
| 435 | jint j_max) {
|
---|
[25244] | 436 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 437 | data->maxNumeric=j_max;
|
---|
| 438 | }
|
---|
| 439 |
|
---|
| 440 | JNIEXPORT void JNICALL
|
---|
| 441 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setSortByRank (JNIEnv *j_env,
|
---|
| 442 | jobject j_obj,
|
---|
| 443 | jboolean j_on) {
|
---|
[25244] | 444 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 445 |
|
---|
| 446 | data->queryInfo->sortByRank=j_on;
|
---|
| 447 | }
|
---|
| 448 |
|
---|
| 449 | JNIEXPORT void JNICALL
|
---|
| 450 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setReturnTerms(JNIEnv *j_env,
|
---|
| 451 | jobject j_obj,
|
---|
| 452 | jboolean j_on) {
|
---|
[25244] | 453 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 454 | data->queryInfo->needTermFreqs = j_on;
|
---|
| 455 |
|
---|
| 456 | }
|
---|
| 457 |
|
---|
| 458 | JNIEXPORT void JNICALL
|
---|
| 459 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setQueryLevel(JNIEnv *j_env,
|
---|
| 460 | jobject j_obj,
|
---|
| 461 | jstring j_level){
|
---|
| 462 |
|
---|
[25244] | 463 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 464 |
|
---|
| 465 | const char * level = j_env->GetStringUTFChars(j_level, NULL);
|
---|
| 466 | if (level==NULL) {
|
---|
| 467 | return; // exception already thrown
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 | data->queryInfo->docLevel.clear();
|
---|
| 471 | SetCStr(data->queryInfo->docLevel, level);
|
---|
| 472 |
|
---|
| 473 | // release the java stuff
|
---|
| 474 | j_env->ReleaseStringUTFChars(j_level, level);
|
---|
| 475 |
|
---|
| 476 | }
|
---|
| 477 |
|
---|
| 478 | JNIEXPORT void JNICALL
|
---|
| 479 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setReturnLevel(JNIEnv *j_env,
|
---|
| 480 | jobject j_obj,
|
---|
| 481 | jstring j_level){
|
---|
[25245] | 482 | // print to stderr start of setReturnLevel, print out FID..
|
---|
| 483 | // %ld or %x -> need to print out pointer -
|
---|
| 484 | // Later consider field containing unsignedlong instead of long
|
---|
| 485 |
|
---|
| 486 | #ifdef _DEBUG
|
---|
| 487 | cerr << "In MGPPSearchWrapperImpl.setReturnLevel()\n";
|
---|
| 488 | fprintf (stderr, "1. FID_mgpp_data at start is: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
|
---|
| 489 | #endif
|
---|
[14463] | 490 |
|
---|
[25244] | 491 | jlong data_ptr = j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[25245] | 492 |
|
---|
| 493 | #ifdef _DEBUG
|
---|
| 494 | fprintf (stderr, "1a. data_ptr at start is: %ld and as hex: %lX\n", data_ptr, data_ptr);
|
---|
| 495 | #endif
|
---|
| 496 |
|
---|
[25244] | 497 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 498 |
|
---|
[25245] | 499 | #ifdef _DEBUG
|
---|
| 500 | fprintf (stderr, "2a. FID_mgpp_data after data instantiation: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
|
---|
| 501 | fprintf (stderr, "2b. Pointer value of data upon inst: %ld and as hex: %lX\n", data, data);
|
---|
| 502 | #endif
|
---|
[25244] | 503 |
|
---|
[25245] | 504 | // print out FID again.. as long decimal and as hex
|
---|
| 505 | // %ld or %x -> need to print out pointer -
|
---|
| 506 | // in the C code in the Setlong bit in this file
|
---|
| 507 | // And the place on the java side, maybe in the configure
|
---|
| 508 | // org.greenstone.gsdl3.service.GS2MGPPSearch.configure(Lorg/w3c/dom/Element;Lorg/w3c/dom/Element;)Z+18
|
---|
| 509 | // find out what value we're SETTING the value of the pointer to
|
---|
[14463] | 510 | const char * level = j_env->GetStringUTFChars(j_level, NULL);
|
---|
| 511 | if (level==NULL) {
|
---|
| 512 | return; // exception already thrown
|
---|
| 513 | }
|
---|
[25245] | 514 |
|
---|
| 515 | #ifdef _DEBUG
|
---|
| 516 | fprintf (stderr, "3a. FID_mgpp_data after level: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
|
---|
| 517 | fprintf (stderr, "3b. Pointer value of data after level: %ld and as hex: %lX\n", data, data);
|
---|
| 518 | #endif
|
---|
[14463] | 519 |
|
---|
| 520 | data->level.clear();
|
---|
[25245] | 521 |
|
---|
| 522 | #ifdef _DEBUG
|
---|
| 523 | fprintf (stderr, "4a. FID_mgpp_data after data->level.clear(): %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
|
---|
| 524 | fprintf (stderr, "4b. Pointer value of data after level.clear(): %ld and as hex: %lX\n", data, data);
|
---|
| 525 | #endif
|
---|
| 526 |
|
---|
[14463] | 527 | SetCStr(data->level, level);
|
---|
[25245] | 528 |
|
---|
| 529 | #ifdef _DEBUG
|
---|
| 530 | fprintf (stderr, "5a. FID_mgpp_data after SetCStr on data: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
|
---|
| 531 | fprintf (stderr, "5b. Pointer value of data after SetCStr: %ld and as hex: %lX\n", data, data);
|
---|
| 532 | #endif
|
---|
[14463] | 533 |
|
---|
| 534 | // release the java stuff
|
---|
| 535 | j_env->ReleaseStringUTFChars(j_level, level);
|
---|
| 536 |
|
---|
[25245] | 537 | #ifdef _DEBUG
|
---|
| 538 | fprintf (stderr, "5a. FID_mgpp_data at end of setReturnLevel: %ld and as hex: %lX\n", FID_mgpp_data, FID_mgpp_data);
|
---|
| 539 | fprintf (stderr, "5b. Pointer value of data at end of SetReturnLevel: %ld and as hex: %lX\n", data, data);
|
---|
| 540 | #endif
|
---|
| 541 |
|
---|
[14463] | 542 | }
|
---|
| 543 |
|
---|
| 544 | JNIEXPORT void JNICALL
|
---|
| 545 | Java_org_greenstone_mgpp_MGPPSearchWrapper_setMatchMode (JNIEnv *j_env,
|
---|
| 546 | jobject j_obj,
|
---|
| 547 | jint j_mode){
|
---|
| 548 |
|
---|
[25244] | 549 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 550 | data->defaultBoolCombine=j_mode;
|
---|
| 551 |
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | JNIEXPORT jstring JNICALL
|
---|
| 555 | Java_org_greenstone_mgpp_MGPPSearchWrapper_getQueryParams (JNIEnv *j_env,
|
---|
| 556 | jobject j_obj){
|
---|
| 557 |
|
---|
[25244] | 558 | MGPPSearchData * data = (MGPPSearchData *)j_env->GetLongField(j_obj, FID_mgpp_data);
|
---|
[14463] | 559 |
|
---|
| 560 | // print the data to a stringstream, then convert to char*, then to
|
---|
| 561 | //jstring
|
---|
| 562 |
|
---|
| 563 | stringstream output;
|
---|
| 564 | output << "Query params:"<<endl
|
---|
| 565 | // need to change this to use platform specific separator for niceness
|
---|
| 566 | << "index\t\t"<<data->indexData->basePath<<"/"<<data->indexData->filename<<endl
|
---|
| 567 | <<"search level\t"<<GetCStr(data->queryInfo->docLevel)<<endl
|
---|
| 568 | <<"result level\t"<<GetCStr(data->level)<<endl
|
---|
| 569 | <<"casefold\t"<<(data->defaultStemMethod&1)<<endl
|
---|
| 570 | <<"stem\t\t"<<(data->defaultStemMethod&2)<<endl
|
---|
| 571 | <<"order by rank\t"<<data->queryInfo->sortByRank<<endl
|
---|
| 572 | <<"query type\t"<<(data->defaultBoolCombine==1?"all":"some")<<endl
|
---|
| 573 | <<"max docs\t"<<data->queryInfo->maxDocs<<endl<<ends;
|
---|
| 574 |
|
---|
| 575 | const char *result = output.str().c_str();
|
---|
| 576 | jstring j_result = j_env->NewStringUTF(result);
|
---|
| 577 | delete (char *)result;
|
---|
| 578 | return j_result;
|
---|
| 579 | }
|
---|