[8950] | 1 | /*
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| 2 | * MGPassesWrapperImpl.c
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| 3 | * Copyright (C) 2002 New Zealand Digital Library, http://www.nzdl.org
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| 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 |
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| 20 |
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| 21 | #include <jni.h>
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[26660] | 22 |
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| 23 | #ifdef __MINGW32__
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| 24 |
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| 25 | /* Cross compiling for Windows
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| 26 | Want the type definitions in *win32* version of jni_md.h but
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| 27 | this then leads to C-mangled style functions which we *don't*
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| 28 | want. The following achieves this */
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| 29 |
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| 30 | #undef JNIEXPORT
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| 31 | #undef JNIIMPORT
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| 32 | #undef JNICALL
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| 33 |
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| 34 | #define JNIEXPORT
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| 35 | #define JNIIMPORT
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| 36 | #define JNICALL
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| 37 | #endif
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| 38 |
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[8950] | 39 | #include <assert.h>
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| 40 | #include "sysfuncs.h"
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| 41 | #include "org_greenstone_mgpp_MGPPPassesWrapper.h"
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| 42 |
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| 43 | #include "mgpp_passes_4jni.h"
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| 44 | #include "mg_files.h"
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| 45 |
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| 46 | /* if we need to use java objects, we should initialise their field ids here*/
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| 47 | JNIEXPORT void JNICALL
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| 48 | Java_org_greenstone_mgpp_MGPPPassesWrapper_initIDs(JNIEnv *j_env, jclass j_cls)
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| 49 | {
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| 50 | return;
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| 51 | }
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| 52 |
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| 53 | JNIEXPORT jboolean JNICALL
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| 54 | Java_org_greenstone_mgpp_MGPPPassesWrapper_initCSide(JNIEnv *j_env, jobject j_obj)
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| 55 | {
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| 56 | clear_variables();
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| 57 | return true;
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| 58 | }
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| 59 |
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| 60 | /* add a pass type T1, T2, I1, I2, S */
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| 61 | JNIEXPORT void JNICALL
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| 62 | Java_org_greenstone_mgpp_MGPPPassesWrapper_addPass(JNIEnv *j_env,
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| 63 | jobject j_obj,
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| 64 | jchar j_pass_type,
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| 65 | jchar j_pass_num)
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| 66 | {
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| 67 | /* get the level as a c char */
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| 68 | const char pass_type = j_pass_type;
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| 69 | const char pass_num = j_pass_num;
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| 70 | add_pass(pass_type, pass_num);
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| 71 |
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| 72 | }
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| 73 |
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| 74 | /* Set the filename */
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| 75 | JNIEXPORT void JNICALL
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| 76 | Java_org_greenstone_mgpp_MGPPPassesWrapper_setFileName(JNIEnv *j_env,
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| 77 | jobject j_obj,
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| 78 | jstring j_filename)
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| 79 | {
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| 80 | /* Get the filename as a C string */
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| 81 | const char* filename = j_env->GetStringUTFChars(j_filename, NULL);
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| 82 |
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| 83 | assert(filename != NULL);
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| 84 | set_filename(filename);
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| 85 |
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| 86 | /* Release the string */
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| 87 | j_env->ReleaseStringUTFChars(j_filename, filename);
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| 88 |
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| 89 | }
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| 90 |
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| 91 | /* Set the base path */
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| 92 | JNIEXPORT void JNICALL
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| 93 | Java_org_greenstone_mgpp_MGPPPassesWrapper_setBasePath(JNIEnv *j_env,
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| 94 | jobject j_obj,
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| 95 | jstring j_basepath)
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| 96 | {
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| 97 | /* Get the base_path as a C string */
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| 98 | const char* basepath = j_env->GetStringUTFChars(j_basepath, NULL);
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| 99 | assert(basepath != NULL);
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| 100 |
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| 101 | set_basepath(basepath);
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| 102 |
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| 103 | /* Release the string */
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| 104 | j_env->ReleaseStringUTFChars(j_basepath, basepath);
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| 105 |
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| 106 | }
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| 107 |
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| 108 | /* set the Document tag */
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| 109 | JNIEXPORT void JNICALL
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| 110 | Java_org_greenstone_mgpp_MGPPPassesWrapper_setDocumentTag(JNIEnv *j_env,
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| 111 | jobject j_obj,
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| 112 | jstring j_tag)
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| 113 | {
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| 114 | const char* tag = j_env->GetStringUTFChars(j_tag, NULL);
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| 115 |
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| 116 | set_document_tag(tag);
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| 117 | /* Release the string */
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| 118 | j_env->ReleaseStringUTFChars(j_tag, tag);
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| 119 |
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| 120 |
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| 121 | }
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| 122 |
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| 123 | /* add a level tag */
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| 124 | JNIEXPORT void JNICALL
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| 125 | Java_org_greenstone_mgpp_MGPPPassesWrapper_addLevelTag(JNIEnv *j_env,
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| 126 | jobject j_obj,
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| 127 | jstring j_tag)
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| 128 | {
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| 129 | const char* tag = j_env->GetStringUTFChars(j_tag, NULL);
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| 130 | add_level_tag(tag);
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| 131 |
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| 132 | /* Release the string */
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| 133 | j_env->ReleaseStringUTFChars(j_tag, tag);
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| 134 |
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| 135 | }
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| 136 |
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| 137 | /* set the index level (default word level) */
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| 138 | JNIEXPORT void JNICALL
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| 139 | Java_org_greenstone_mgpp_MGPPPassesWrapper_setIndexLevel(JNIEnv *j_env,
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| 140 | jobject j_obj,
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| 141 | jstring j_tag)
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| 142 | {
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| 143 | const char* tag = j_env->GetStringUTFChars(j_tag, NULL);
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| 144 | set_index_level(tag);
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| 145 |
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| 146 | /* Release the string */
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| 147 | j_env->ReleaseStringUTFChars(j_tag, tag);
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| 148 |
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| 149 |
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| 150 | }
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| 151 |
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| 152 |
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| 153 | /** Maximum amount of memory to use for the index pass-2 file
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| 154 | inversion in megabytes.
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| 155 | */
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| 156 | JNIEXPORT void JNICALL
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| 157 | Java_org_greenstone_mgpp_MGPPPassesWrapper_setInversionMemLimit(JNIEnv *j_env,
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| 158 | jobject j_obj,
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| 159 | jint j_limit) {
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| 160 | int limit = j_limit;
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| 161 | set_inversion_limit(limit);
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| 162 | }
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| 163 |
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| 164 |
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| 165 | /* initialise the pass through the documents. must be called after all
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| 166 | the set methods
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| 167 | */
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| 168 | JNIEXPORT jboolean JNICALL
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| 169 | Java_org_greenstone_mgpp_MGPPPassesWrapper_init(JNIEnv *j_env,
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| 170 | jobject j_obj) {
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| 171 |
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| 172 | init_driver();
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| 173 | return true;
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| 174 | }
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| 175 |
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| 176 |
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| 177 | /* process one or more documents */
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| 178 | JNIEXPORT jboolean JNICALL
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| 179 | Java_org_greenstone_mgpp_MGPPPassesWrapper_processMGPPDocument(JNIEnv *j_env,
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| 180 | jobject j_obj,
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| 181 | jbyteArray j_doc_text) {
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| 182 | /* Get the text as a C string */
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| 183 | int length = j_env->GetArrayLength(j_doc_text);
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| 184 | u_char * text_buffer = (u_char *)j_env->GetByteArrayElements(j_doc_text, NULL);
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| 185 | process_document(text_buffer, length);
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| 186 | /* Release the string */
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| 187 | // why doesn't this work in c++ when it works in C?????
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| 188 | //j_env->ReleaseByteArrayElements(j_doc_text, text_buffer, 0);
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| 189 | return true;
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| 190 | }
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| 191 |
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| 192 | /* finalise the pass through the documents */
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| 193 | JNIEXPORT jboolean JNICALL
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| 194 | Java_org_greenstone_mgpp_MGPPPassesWrapper_finish(JNIEnv *j_env,
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| 195 | jobject j_obj) {
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| 196 |
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| 197 | finalise_driver();
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| 198 | return true;
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| 199 | }
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| 200 |
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| 201 | /** get the exit value once finished */
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| 202 | JNIEXPORT jint JNICALL
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| 203 | Java_org_greenstone_mgpp_MGPPPassesWrapper_exitValue(JNIEnv *j_env,
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| 204 | jobject j_obj) {
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| 205 |
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| 206 | return get_exit_value();
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| 207 | }
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