plus-messenger/TMessagesProj/jni/sqlite_statement.c
2015-05-06 16:32:28 +02:00

126 lines
4.5 KiB
C

#include "sqlite.h"
jfieldID queryArgsCountField;
jint sqliteOnJNILoad(JavaVM *vm, void *reserved, JNIEnv *env) {
jclass class = (*env)->FindClass(env, "org/telegram/SQLite/SQLitePreparedStatement");
queryArgsCountField = (*env)->GetFieldID(env, class, "queryArgsCount", "I");
return JNI_VERSION_1_6;
}
int Java_org_telegram_SQLite_SQLitePreparedStatement_step(JNIEnv* env, jobject object, int statementHandle) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int errcode = sqlite3_step(handle);
if (errcode == SQLITE_ROW) {
return 0;
} else if(errcode == SQLITE_DONE) {
return 1;
} else if(errcode == SQLITE_BUSY) {
return -1;
}
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
int Java_org_telegram_SQLite_SQLitePreparedStatement_prepare(JNIEnv *env, jobject object, int sqliteHandle, jstring sql) {
sqlite3* handle = (sqlite3 *)sqliteHandle;
char const *sqlStr = (*env)->GetStringUTFChars(env, sql, 0);
sqlite3_stmt *stmt_handle;
int errcode = sqlite3_prepare_v2(handle, sqlStr, -1, &stmt_handle, 0);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, handle, errcode);
} else {
int argsCount = sqlite3_bind_parameter_count(stmt_handle);
(*env)->SetIntField(env, object, queryArgsCountField, argsCount);
}
if (sqlStr != 0) {
(*env)->ReleaseStringUTFChars(env, sql, sqlStr);
}
return (int)stmt_handle;
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_reset(JNIEnv *env, jobject object, int statementHandle) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int errcode = sqlite3_reset(handle);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_finalize(JNIEnv *env, jobject object, int statementHandle) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int errcode = sqlite3_finalize (handle);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_bindByteBuffer(JNIEnv *env, jobject object, int statementHandle, int index, jobject value, int length) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
jbyte *buf = (*env)->GetDirectBufferAddress(env, value);
int errcode = sqlite3_bind_blob(handle, index, buf, length, SQLITE_STATIC);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_bindString(JNIEnv *env, jobject object, int statementHandle, int index, jstring value) {
sqlite3_stmt *handle = (sqlite3_stmt*)statementHandle;
char const *valueStr = (*env)->GetStringUTFChars(env, value, 0);
int errcode = sqlite3_bind_text(handle, index, valueStr, -1, SQLITE_TRANSIENT);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
if (valueStr != 0) {
(*env)->ReleaseStringUTFChars(env, value, valueStr);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_bindInt(JNIEnv *env, jobject object, int statementHandle, int index, int value) {
sqlite3_stmt *handle = (sqlite3_stmt*)statementHandle;
int errcode = sqlite3_bind_int(handle, index, value);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_bindLong(JNIEnv *env, jobject object, int statementHandle, int index, long long value) {
sqlite3_stmt *handle = (sqlite3_stmt*)statementHandle;
int errcode = sqlite3_bind_int64(handle, index, value);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_bindDouble(JNIEnv* env, jobject object, int statementHandle, int index, double value) {
sqlite3_stmt *handle = (sqlite3_stmt*)statementHandle;
int errcode = sqlite3_bind_double(handle, index, value);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}
void Java_org_telegram_SQLite_SQLitePreparedStatement_bindNull(JNIEnv* env, jobject object, int statementHandle, int index) {
sqlite3_stmt *handle = (sqlite3_stmt*)statementHandle;
int errcode = sqlite3_bind_null(handle, index);
if (SQLITE_OK != errcode) {
throw_sqlite3_exception(env, sqlite3_db_handle(handle), errcode);
}
}