139 lines
3.4 KiB
C
Executable File
139 lines
3.4 KiB
C
Executable File
/*
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* Copyright 2008-2020 Chris Young <chris@unsatisfactorysoftware.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "amiga/os3support.h"
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <proto/codesets.h>
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#include <proto/exec.h>
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#include <proto/utility.h>
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#include "utils/nsoption.h"
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#include "utils/utf8.h"
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#include "netsurf/utf8.h"
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#include "amiga/utf8.h"
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static nserror ami_utf8_codesets(const char *string, size_t len, char **result, bool to_local)
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{
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char *out;
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ULONG utf8_tag, local_tag;
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static struct codeset *utf8_cs = NULL;
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static struct codeset *local_cs = NULL;
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if(local_cs == NULL) local_cs = CodesetsFind(NULL,
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#ifdef __amigaos4__
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CSA_MIBenum, nsoption_int(local_codeset),
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#else
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NULL,
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#endif
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TAG_DONE);
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if(utf8_cs == NULL) utf8_cs = CodesetsFind(NULL,
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CSA_MIBenum, CS_MIBENUM_UTF_8,
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TAG_DONE);
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if(to_local == false) {
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local_tag = CSA_SourceCodeset;
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utf8_tag = CSA_DestCodeset;
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} else {
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utf8_tag = CSA_SourceCodeset;
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local_tag = CSA_DestCodeset;
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}
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out = CodesetsConvertStr(CSA_Source, string,
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CSA_SourceLen, len,
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#ifdef __amigaos4__
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local_tag, local_cs,
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#endif
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utf8_tag, utf8_cs,
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CSA_MapForeignChars, TRUE,
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TAG_DONE);
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if(out != NULL) {
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*result = strdup(out);
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CodesetsFreeA(out, NULL);
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} else {
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return NSERROR_BAD_ENCODING;
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}
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return NSERROR_OK;
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}
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nserror utf8_from_local_encoding(const char *string, size_t len, char **result)
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{
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if(__builtin_expect((CodesetsBase == NULL), 0)) {
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return utf8_from_enc(string, nsoption_charp(local_charset), len, result, NULL);
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} else {
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return ami_utf8_codesets(string, len, result, false);
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}
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}
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nserror utf8_to_local_encoding(const char *string, size_t len, char **result)
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{
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if(__builtin_expect((CodesetsBase == NULL), 0)) {
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nserror err = NSERROR_NOMEM;
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char *local_charset = ASPrintf("%s//IGNORE", nsoption_charp(local_charset));
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if(local_charset) {
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err = utf8_to_enc(string, local_charset, len, result);
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FreeVec(local_charset);
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}
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return err;
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} else {
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return ami_utf8_codesets(string, len, result, true);
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}
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}
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void ami_utf8_free(char *ptr)
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{
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if(ptr) free(ptr);
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}
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char *ami_utf8_easy(const char *string)
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{
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char *localtext;
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if(utf8_to_local_encoding(string, strlen(string), &localtext) == NSERROR_OK) {
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return localtext;
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} else {
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return strdup(string);
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}
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}
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char *ami_to_utf8_easy(const char *string)
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{
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char *localtext;
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if(utf8_from_local_encoding(string, strlen(string), &localtext) == NSERROR_OK) {
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return localtext;
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} else {
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return strdup(string);
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}
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}
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static struct gui_utf8_table utf8_table = {
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.utf8_to_local = utf8_to_local_encoding,
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.local_to_utf8 = utf8_from_local_encoding,
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};
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struct gui_utf8_table *amiga_utf8_table = &utf8_table;
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