Telegram-Android/TMessagesProj/jni/sqlite_cursor.c

79 lines
3.1 KiB
C
Executable file

#include "sqlite.h"
int Java_org_telegram_SQLite_SQLiteCursor_columnType(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
return sqlite3_column_type(handle, columnIndex);
}
int Java_org_telegram_SQLite_SQLiteCursor_columnIsNull(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int valType = sqlite3_column_type(handle, columnIndex);
return SQLITE_NULL == valType;
}
int Java_org_telegram_SQLite_SQLiteCursor_columnIntValue(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int valType = sqlite3_column_type(handle, columnIndex);
if (SQLITE_NULL == valType) {
return 0;
}
return sqlite3_column_int(handle, columnIndex);
}
long long Java_org_telegram_SQLite_SQLiteCursor_columnLongValue(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int valType = sqlite3_column_type(handle, columnIndex);
if (SQLITE_NULL == valType) {
return 0;
}
return sqlite3_column_int64(handle, columnIndex);
}
double Java_org_telegram_SQLite_SQLiteCursor_columnDoubleValue(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
int valType = sqlite3_column_type(handle, columnIndex);
if (SQLITE_NULL == valType) {
return 0;
}
return sqlite3_column_double(handle, columnIndex);
}
jstring Java_org_telegram_SQLite_SQLiteCursor_columnStringValue(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
const char *str = sqlite3_column_text(handle, columnIndex);
if (str != 0) {
return (*env)->NewStringUTF(env, str);
}
return 0;
}
jbyteArray Java_org_telegram_SQLite_SQLiteCursor_columnByteArrayValue(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
void *buf = sqlite3_column_blob(handle, columnIndex);
int length = sqlite3_column_bytes(handle, columnIndex);
if (buf != 0 && length > 0) {
jbyteArray result = (*env)->NewByteArray(env, length);
(*env)->SetByteArrayRegion(env, result, 0, length, buf);
return result;
}
return 0;
}
int Java_org_telegram_SQLite_SQLiteCursor_columnByteArrayLength(JNIEnv *env, jobject object, int statementHandle, int columnIndex) {
return sqlite3_column_bytes((sqlite3_stmt *)statementHandle, columnIndex);
}
int Java_org_telegram_SQLite_SQLiteCursor_columnByteBufferValue(JNIEnv *env, jobject object, int statementHandle, int columnIndex, jobject buffer) {
if (!buffer) {
return 0;
}
sqlite3_stmt *handle = (sqlite3_stmt *)statementHandle;
void *buf = sqlite3_column_blob(handle, columnIndex);
int length = sqlite3_column_bytes(handle, columnIndex);
if (buf != 0 && length > 0) {
jbyte *byteBuff = (*env)->GetDirectBufferAddress(env, buffer);
memcpy(byteBuff, buf, length);
return length;
}
return 0;
}