dbutils/dbutils.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2024 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "dbutils/dbutils.h"
#include "class.h"
#include "field.h"

#include <cx/hash_map.h>

DBUContext* dbuContextCreate(void) {
    DBUContext *ctx = malloc(sizeof(DBUContext));
    ctx->classes = cxHashMapCreateSimple(CX_STORE_POINTERS);
    ctx->classes->collection.simple_destructor = (cx_destructor_func)dbuClassFree;
    return ctx;
}

void dbuContextFree(DBUContext *context) {
    cxMapFree(context->classes);
    free(context);
}


DBUClass* dbuRegisterClassWithPrimaryKeyInt32(
        DBUContext *context,
        const char *name,
        size_t obj_size,
        const char *primary_key_column,
        off_t primary_key_offset)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    dbuClassSetPrimaryKeyInt32(cls, primary_key_column, primary_key_offset);
    cxMapPut(context->classes, name, cls);
    return cls;
}

DBUClass* dbuRegisterClassWithPrimaryKeyUInt32(
        DBUContext *context,
        const char *name,
        size_t obj_size,
        const char *primary_key_column,
        off_t primary_key_offset)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    dbuClassSetPrimaryKeyUInt32(cls, primary_key_column, primary_key_offset);
    cxMapPut(context->classes, name, cls);
    return cls;
}

DBUClass* dbuRegisterClassWithPrimaryKeyInt64(
        DBUContext *context,
        const char *name,
        size_t obj_size,
        const char *primary_key_column,
        off_t primary_key_offset)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    dbuClassSetPrimaryKeyInt64(cls, primary_key_column, primary_key_offset);
    cxMapPut(context->classes, name, cls);
    return cls;
}

DBUClass* dbuRegisterClassWithPrimaryKeyUInt64(
        DBUContext *context,
        const char *name,
        size_t obj_size,
        const char *primary_key_column,
        off_t primary_key_offset)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    dbuClassSetPrimaryKeyUInt64(cls, primary_key_column, primary_key_offset);
    cxMapPut(context->classes, name, cls);
    return cls;
}

DBUClass* dbuRegisterClassWithPrimaryKeyString(
        DBUContext *context,
        const char *name,
        size_t obj_size,
        const char *primary_key_column,
        off_t primary_key_offset)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    dbuClassSetPrimaryKeyString(cls, primary_key_column, primary_key_offset);
    cxMapPut(context->classes, name, cls);
    return cls;
}

DBUClass* dbuRegisterClassWithPrimaryKeyCxMutStr(
        DBUContext *context,
        const char *name,
        size_t obj_size,
        const char *primary_key_column,
        off_t primary_key_offset)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    dbuClassSetPrimaryKeyCxMutStr(cls, primary_key_column, primary_key_offset);
    cxMapPut(context->classes, name, cls);
    return cls;
}

DBUClass* dbuRegisterClassWithoutPK(
        DBUContext *context,
        const char *name,
        size_t obj_size)
{
    DBUClass *cls = dbuClassCreate(name);
    cls->context = context;
    cls->obj_size = obj_size;
    cxMapPut(context->classes, name, cls);
    return cls;
}