corestrings.c

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/*
 * Copyright 2012 Michael Drake <tlsa@netsurf-browser.org>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * NetSurf is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
/**
 * \file
 * Useful interned string tables implementation.
 */
 
#include <dom/dom.h>
 
#include "utils/corestrings.h"
#include "utils/nsurl.h"
#include "utils/utils.h"
 
/* define corestrings */
#define CORESTRING_LWC_VALUE(NAME,VALUE) lwc_string *corestring_lwc_##NAME
#define CORESTRING_DOM_VALUE(NAME,VALUE) dom_string *corestring_dom_##NAME
#define CORESTRING_NSURL(NAME,VALUE) nsurl *corestring_nsurl_##NAME
#include "utils/corestringlist.h"
#undef CORESTRING_LWC_VALUE
#undef CORESTRING_DOM_VALUE
#undef CORESTRING_NSURL
 
/* exported interface documented in utils/corestrings.h */
nserror corestrings_fini(void)
{
#define CORESTRING_LWC_VALUE(NAME,VALUE)                                \
        do {                                                            \
                if (corestring_lwc_##NAME != NULL) {                    \
                        lwc_string_unref(corestring_lwc_##NAME);        \
                        corestring_lwc_##NAME = NULL;                   \
                }                                                       \
        } while (0)
 
#define CORESTRING_DOM_VALUE(NAME,VALUE)                                \
        do {                                                            \
                if (corestring_dom_##NAME != NULL) {                    \
                        dom_string_unref(corestring_dom_##NAME);        \
                        corestring_dom_##NAME = NULL;                   \
                }                                                       \
        } while (0)
 
#define CORESTRING_NSURL(NAME,VALUE)                                    \
        do {                                                            \
                if (corestring_nsurl_##NAME != NULL) {                  \
                        nsurl_unref(corestring_nsurl_##NAME);           \
                        corestring_nsurl_##NAME = NULL;                 \
                }                                                       \
        } while (0)
 
 
#include "utils/corestringlist.h"
 
#undef CORESTRING_LWC_VALUE
#undef CORESTRING_DOM_VALUE
#undef CORESTRING_NSURL
 
        return NSERROR_OK;
}
 
 
/* exported interface documented in utils/corestrings.h */
nserror corestrings_init(void)
{
        lwc_error lerror;
        nserror error;
        dom_exception exc;
 
#define CORESTRING_LWC_VALUE(NAME,VALUE)                                \
        do {                                                            \
                lerror = lwc_intern_string(                             \
                        (const char *)VALUE,                            \
                        sizeof(VALUE) - 1,                              \
                        &corestring_lwc_##NAME );                       \
                if ((lerror != lwc_error_ok) ||                         \
                    (corestring_lwc_##NAME == NULL)) {                  \
                        error = NSERROR_NOMEM;                          \
                        goto error;                                     \
                }                                                       \
        } while(0)
 
#define CORESTRING_DOM_VALUE(NAME,VALUE)                                \
        do {                                                            \
                exc = dom_string_create_interned(                       \
                                (const uint8_t *)VALUE,                 \
                                sizeof(VALUE) - 1,                      \
                                &corestring_dom_##NAME );               \
                if ((exc != DOM_NO_ERR) ||                              \
                                (corestring_dom_##NAME == NULL)) {      \
                        error = NSERROR_NOMEM;                          \
                        goto error;                                     \
                }                                                       \
        } while(0)
 
#define CORESTRING_NSURL(NAME,VALUE)                                    \
        do {                                                            \
                error = nsurl_create(VALUE,                             \
                                     &corestring_nsurl_##NAME);         \
                if (error != NSERROR_OK) {                              \
                        goto error;                                     \
                }                                                       \
        } while(0)
 
#include "utils/corestringlist.h"
 
#undef CORESTRING_LWC_VALUE
#undef CORESTRING_DOM_VALUE
#undef CORESTRING_NSURL
 
        return NSERROR_OK;
 
error:
        corestrings_fini();
 
        return error;
}