mirror of
https://github.com/mozilla/gecko-dev.git
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602 lines
9.8 KiB
C
602 lines
9.8 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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* locale.c
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* --------
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* Implement FE functions to support xp_locale and other locale stuff
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*/
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#include <xplocale.h>
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#include "xfe.h"
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#include "felocale.h"
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#include "csid.h"
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int16 fe_LocaleCharSetID = CS_LATIN1;
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char fe_LocaleCharSetName[128] = { 0 };
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int (*fe_collation_func)(const char *, const char *) = strcoll;
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void
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fe_InitCollation(void)
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{
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/*
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* Check to see if strcoll() is broken
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*/
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if
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(
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((strcoll("A", "B") < 0) && (strcoll("a", "B") >= 0)) ||
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/*
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* Unlikely, but just in case...
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*/
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((strcoll("A", "B") > 0) && (strcoll("a", "B") <= 0)) ||
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(strcoll("A", "B") == 0)
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)
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{
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/*
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* strcoll() is broken, so we use our own routine
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*/
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fe_collation_func = strcasecomp;
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}
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}
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int
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FE_StrColl(const char *s1, const char *s2)
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{
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return (*fe_collation_func)(s1, s2);
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}
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size_t FE_StrfTime(MWContext *context, char *result, size_t maxsize,
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int format, const struct tm *timeptr)
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{
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char *fmt;
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switch (format)
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{
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case XP_TIME_FORMAT:
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/* fmt = "%X"; */
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fmt = "%H:%M";
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break;
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case XP_WEEKDAY_TIME_FORMAT:
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/* fmt = "%a %X"; */
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fmt = "%a %H:%M";
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break;
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case XP_DATE_TIME_FORMAT:
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/* fmt = "%x %X"; */
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fmt = "%x %H:%M";
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break;
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case XP_LONG_DATE_TIME_FORMAT:
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fmt = "%c";
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break;
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default:
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fmt = "%c";
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break;
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}
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return strftime(result, maxsize, fmt, timeptr);
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}
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char *
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fe_GetNormalizedLocaleName(void)
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{
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#ifdef _HPUX_SOURCE
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int len;
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char *locale;
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locale = setlocale(LC_CTYPE, NULL);
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if (locale && *locale)
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{
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len = strlen(locale);
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}
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else
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{
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locale = "C";
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len = 1;
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}
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if
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(
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(!strncmp(locale, "/\x03:", 3)) &&
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(!strcmp(&locale[len - 2], ";/"))
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)
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{
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locale += 3;
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len -= 5;
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}
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locale = strdup(locale);
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if (locale)
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{
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locale[len] = 0;
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}
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return locale;
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#else
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char *locale;
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locale = setlocale(LC_CTYPE, NULL);
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if (locale && *locale)
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{
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return strdup(locale);
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}
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return strdup("C");
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#endif
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}
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unsigned char *
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fe_ConvertToLocaleEncoding(int16 charset, unsigned char *str)
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{
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CCCDataObject obj;
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unsigned char *le_string; /* Locally Encoded STRING */
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if ((charset == fe_LocaleCharSetID) || (!str) || (!*str))
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{
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return str;
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}
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if (IS_UTF8_CSID(charset)) {
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int32 le_len;
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uint16 *ucs2_chars;
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int32 num_ucs2_chars;
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/*
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* Convert utf8 to ucs2
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*/
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ucs2_chars = INTL_UTF8ToUCS2(str, &num_ucs2_chars);
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/*
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* Convert ucs2 to local encoding
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*/
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le_len = INTL_UnicodeToStrLen(fe_LocaleCharSetID, ucs2_chars,
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num_ucs2_chars);
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le_string = (unsigned char *)XP_ALLOC(le_len+1);
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INTL_UnicodeToStr(fe_LocaleCharSetID, ucs2_chars, num_ucs2_chars,
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le_string, le_len);
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le_string[le_len] = '\0'; /* null terminate */
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XP_FREE(ucs2_chars);
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return le_string;
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}
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obj = INTL_CreateCharCodeConverter();
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if (!obj)
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{
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return str;
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}
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if (INTL_GetCharCodeConverter(charset, fe_LocaleCharSetID, obj))
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{
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le_string = INTL_CallCharCodeConverter(obj, str,
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strlen((char *) str));
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if (!le_string)
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{
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le_string = str;
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}
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}
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else
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{
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le_string = str;
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}
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INTL_DestroyCharCodeConverter(obj);
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return le_string;
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}
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/*
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* fe_ConvertToXmString - convert text/encoding to XmString/XmFontList
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*
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* NOTE: if the calling code does not yet set the XmFontList
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* then pass in font==NULL
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*/
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XmString
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fe_ConvertToXmString(unsigned char *str, int16 charset,
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fe_Font font, XmFontType type, XmFontList *fontList_p)
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{
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unsigned char *loc;
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XmString xms;
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XmFontList font_list;
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XmFontListEntry flentry;
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/*
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* init default return values
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*/
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*fontList_p = NULL;
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if ((!IS_UNICODE_CSID(charset)) || (!font)) {
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loc = fe_ConvertToLocaleEncoding(charset, str);
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if (loc)
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{
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xms = XmStringCreate((char *) loc, XmFONTLIST_DEFAULT_TAG);
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if (loc != str)
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{
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free(loc);
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}
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}
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else
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{
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xms = NULL;
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}
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if (font) {
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flentry = XmFontListEntryCreate(XmFONTLIST_DEFAULT_TAG, type, font);
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if (flentry) {
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font_list = XmFontListAppendEntry(NULL, flentry);
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if (font_list)
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*fontList_p = font_list;
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XmFontListEntryFree(&flentry);
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}
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}
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return xms;
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}
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else {
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xms = fe_utf8_to_XmString(font, str, strlen(str), fontList_p);
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return xms;
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}
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return xms;
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}
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unsigned char *
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fe_ConvertFromLocaleEncoding(int16 charset, unsigned char *str)
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{
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CCCDataObject obj;
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unsigned char *ret;
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if ((charset == fe_LocaleCharSetID) || (!str) || (!*str))
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{
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return str;
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}
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/* handle UTF8 */
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if (IS_UTF8_CSID(charset)) {
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uint16 *ucs2_chars;
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uint32 ucs2_buflen, num_ucs2_chars;
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unsigned char *utf8p;
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/*
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* Convert local encoding to ucs2
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*/
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ucs2_buflen = INTL_StrToUnicodeLen(fe_LocaleCharSetID, str);
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ucs2_chars = (uint16 *) XP_CALLOC(sizeof(uint16), ucs2_buflen+1);
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num_ucs2_chars = INTL_StrToUnicode(fe_LocaleCharSetID, str,
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ucs2_chars, ucs2_buflen);
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utf8p = INTL_UCS2ToUTF8(ucs2_chars, num_ucs2_chars);
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XP_FREE(ucs2_chars);
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return utf8p;
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}
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obj = INTL_CreateCharCodeConverter();
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if (!obj)
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{
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return str;
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}
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if (INTL_GetCharCodeConverter(fe_LocaleCharSetID, charset, obj))
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{
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ret = INTL_CallCharCodeConverter(obj, str,
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strlen((char *) str));
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if (!ret)
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{
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ret = str;
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}
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}
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else
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{
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ret = str;
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}
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INTL_DestroyCharCodeConverter(obj);
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return ret;
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}
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/* fe_GetTextSelection() is a direct replacement for XmTextGetSelection --
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* use XtFree() to free the returned string.
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*/
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char *
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fe_GetTextSelection(Widget widget)
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{
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char *loc;
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char *str;
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XP_ASSERT(XmIsText(widget) || XmIsTextField(widget));
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loc = NULL;
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if (XmIsText(widget)) {
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loc = XmTextGetSelection(widget);
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}
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else {
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loc = XmTextFieldGetSelection(widget);
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}
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if (!loc)
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{
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return NULL;
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}
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str = (char *) fe_ConvertFromLocaleEncoding(
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INTL_DefaultWinCharSetID(NULL), (unsigned char *) loc);
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if (str == loc)
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{
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str = XtNewString(str);
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if (!str)
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{
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return NULL;
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}
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}
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XtFree(loc);
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return str;
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}
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/* fe_GetTextField() is a direct replacement for XmTextGetString --
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* use XtFree() to free the returned string.
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*/
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char *
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fe_GetTextField(Widget widget)
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{
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char *loc;
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char *str;
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XP_ASSERT(XmIsText(widget) || XmIsTextField(widget));
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loc = NULL;
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XtVaGetValues(widget, XmNvalue, &loc, 0);
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if (!loc)
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{
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return NULL;
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}
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str = (char *) fe_ConvertFromLocaleEncoding(
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INTL_DefaultWinCharSetID(NULL), (unsigned char *) loc);
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if (str == loc)
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{
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str = XtNewString(str);
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if (!str)
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{
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return NULL;
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}
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}
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XtFree(loc);
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return str;
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}
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void
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fe_SetTextField(Widget widget, const char *str)
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{
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unsigned char *loc;
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XP_ASSERT(XmIsText(widget) || XmIsTextField(widget));
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if ((NULL==str) || ('\0'==*str)) {
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XtVaSetValues(widget, XmNvalue, str, 0);
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return;
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}
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loc = fe_ConvertToLocaleEncoding(INTL_DefaultWinCharSetID(NULL),
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(unsigned char *) str);
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XtVaSetValues(widget, XmNvalue, loc, 0);
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if (loc != ((unsigned char *) str))
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{
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XP_FREE(loc);
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}
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}
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void
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fe_SetTextFieldAndCallBack(Widget widget, const char *str)
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{
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unsigned char *loc = NULL;
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XP_ASSERT(XmIsText(widget) || XmIsTextField(widget));
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if ((NULL != str) && ('\0' != *str)) {
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loc = fe_ConvertToLocaleEncoding(INTL_DefaultWinCharSetID(NULL),
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(unsigned char *) str);
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}
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/*
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* Warning: on SGI, XtVaSetValues() doesn't run the
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* valueChangedCallback, but XmTextFieldSetString() does.
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*/
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if (XmIsText(widget))
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XmTextSetString(widget, (char *) str);
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else if (XmIsTextField(widget))
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XmTextFieldSetString(widget, (char *) str);
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if (loc != ((unsigned char *) str))
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{
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XP_FREE(loc);
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}
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}
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/*
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* We link statically on AIX to force it to pick up our thread-safe malloc.
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* But AIX has a bug where linking statically results in a broken mbstowcs
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* (and wcstombs) being linked in. So we re-implement these here, so that
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* these are used. See bug # 13574.
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*/
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#ifdef AIXV3
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size_t
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mbstowcs(wchar_t *pwcs, const char *s, size_t n)
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{
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int charlen;
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size_t inlen;
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size_t ret;
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wchar_t wc;
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if (!s)
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{
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return 0;
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}
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ret = 0;
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inlen = strlen(s) + 1;
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while (1)
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{
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wc = 0;
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charlen = mbtowc(&wc, s, inlen);
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if (charlen < 0)
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{
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return -1;
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}
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else if (charlen == 0)
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{
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if (pwcs)
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{
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if (n > 0)
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{
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*pwcs = 0;
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}
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}
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break;
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}
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else
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{
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if (pwcs)
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{
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if (n > 0)
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{
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*pwcs++ = wc;
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ret++;
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n--;
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if (n == 0)
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{
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break;
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}
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}
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else
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{
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break;
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}
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}
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else
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{
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ret++;
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}
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inlen -= charlen;
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s += charlen;
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}
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}
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return ret;
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}
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size_t
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wcstombs(char *s, const wchar_t *pwcs, size_t n)
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{
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char buf[MB_LEN_MAX];
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int charlen;
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int i;
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size_t ret;
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if (!pwcs)
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{
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return 0;
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}
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ret = 0;
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while (1)
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{
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buf[0] = 0;
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charlen = wctomb(buf, *pwcs);
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if (charlen <= 0)
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{
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return -1;
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}
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else
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{
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if (s)
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{
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if (n >= charlen)
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{
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for (i = 0; i < charlen; i++)
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{
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*s++ = buf[i];
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}
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if (*pwcs)
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{
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ret += charlen;
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}
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else
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{
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break;
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}
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n -= charlen;
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if (n == 0)
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{
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break;
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}
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}
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else
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{
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break;
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}
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}
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else
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{
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if (*pwcs)
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{
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ret += charlen;
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}
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else
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{
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break;
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}
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}
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pwcs++;
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}
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}
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return ret;
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}
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#endif /* AIXV3 */
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