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214 lines
5.2 KiB
C
214 lines
5.2 KiB
C
/* -*- Mode: C; tab-width: 4; 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* csnamefn.c */
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#include "intlpriv.h"
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extern csname2id_t csname2id_tbl[];
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/* for XP_GetString() */
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#include "xpgetstr.h"
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extern int XP_DOCINFO_1;
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extern int XP_DOCINFO_2;
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extern int XP_DOCINFO_3;
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extern int XP_DOCINFO_4;
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/*#include "allxpstr.h"*/
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PUBLIC int16
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INTL_CharSetNameToID(char *charset)
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{
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csname2id_t *csn2idp;
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int16 csid;
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/* Parse the URL charset string for the charset ID.
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* If no MIME Content-Type charset pararm., default.
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* HTML specifies ASCII, but let user override cuz
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* of prior conventions (i.e. Japan).
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*/
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csn2idp = csname2id_tbl;
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csid = csn2idp->cs_id; /* 1st entry is default codeset ID */
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if (charset != NULL) { /* Linear search for charset string */
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while (*(csn2idp->cs_name) != '\0') {
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if (strcasecomp(charset, (char *)csn2idp->cs_name) == 0) {
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return(csn2idp->cs_id);
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}
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csn2idp++;
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}
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}
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return(csn2idp->cs_id); /* last entry is CS_UNKNOWN */
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}
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PUBLIC unsigned char *INTL_CsidToCharsetNamePt(int16 csid)
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{
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csname2id_t *csn2idp;
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csid &= ~CS_AUTO;
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csn2idp = &csname2id_tbl[1]; /* First one is reserved, skip it. */
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csid &= 0xff;
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/* Linear search for charset string */
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while (*(csn2idp->cs_name) != '\0') {
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if ((csn2idp->cs_id & 0xff) == csid)
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return csn2idp->cs_name;
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csn2idp++;
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}
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return (unsigned char *)"";
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}
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PUBLIC unsigned char *INTL_CsidToJavaCharsetNamePt(int16 csid)
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{
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csname2id_t *csn2idp;
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csn2idp = &csname2id_tbl[1]; /* First one is reserved, skip it. */
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csid &= 0xff;
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/* Linear search for charset string */
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while (*(csn2idp->cs_name) != '\0') {
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if ((csn2idp->cs_id & 0xff) == csid)
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return csn2idp->java_name;
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csn2idp++;
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}
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return (unsigned char *)"";
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}
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PUBLIC void
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INTL_CharSetIDToName(int16 csid, char *charset)
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{
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if (charset) {
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strcpy(charset,(char *)INTL_CsidToCharsetNamePt(csid));
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}
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}
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PUBLIC const char*
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INTL_CharsetCorrection(const char* charsetname)
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{
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int16 csid = INTL_CharSetNameToID(charsetname);
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if((CS_GB2312_11 == csid) || (CS_GB2312 == csid))
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return (char*) INTL_CsidToCharsetNamePt(CS_GB_8BIT);
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if((CS_KSC5601 == csid) || (CS_KSC5601_11 == csid))
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return (char*) INTL_CsidToCharsetNamePt(CS_KSC_8BIT);
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if(CS_X_BIG5 == csid)
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return (char*) INTL_CsidToCharsetNamePt(CS_BIG5);
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return NULL;
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}
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PUBLIC void
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INTL_CharSetIDToJavaName(int16 csid, char *charset)
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{
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if (charset) {
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strcpy(charset,(char *)INTL_CsidToJavaCharsetNamePt(csid));
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}
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}
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PUBLIC const char* PR_CALLBACK
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INTL_CharSetIDToJavaCharSetName(int16 csid) {
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return (char *)INTL_CsidToJavaCharsetNamePt(csid);
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}
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PUBLIC char *
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INTL_CharSetDocInfo(iDocumentContext context)
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{
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INTL_CharSetInfo c = LO_GetDocumentCharacterSetInfo(context);
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register int16 doc_csid = INTL_GetCSIDocCSID(c);
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register csname2id_t *csn2idp;
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char *s = NULL;
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int detected = 0;
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if (doc_csid == CS_DEFAULT) {
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doc_csid = INTL_DefaultDocCharSetID(context) & ~CS_AUTO; /* Get CSID from prefs */
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} else if (doc_csid & CS_AUTO) {
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doc_csid &= ~CS_AUTO; /* mask off bit for name lookup */
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detected = 1;
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} else {
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StrAllocCopy(s, INTL_GetCSIMimeCharset(c)); /* string from MIME header */
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if (doc_csid == CS_UNKNOWN)
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StrAllocCat(s, XP_GetString(XP_DOCINFO_1));
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return(s);
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}
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/* Look up name for default & autodetected CSIDs */
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#if defined(XP_WIN) || defined(XP_OS2)
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csn2idp = &csname2id_tbl[1] ; /* skip first default one */
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for (; *(csn2idp->cs_name) != '\0'; csn2idp++)
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#else
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for (csn2idp = csname2id_tbl; *(csn2idp->cs_name) != '\0'; csn2idp++)
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#endif
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{
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if (doc_csid == csn2idp->cs_id) {
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StrAllocCopy(s, (char *)csn2idp->cs_name);
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if (detected)
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StrAllocCat(s, XP_GetString(XP_DOCINFO_2));
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else
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StrAllocCat(s, XP_GetString(XP_DOCINFO_3));
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return(s);
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}
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}
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StrAllocCopy(s, INTL_GetCSIMimeCharset(c)); /* string from MIME header */
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StrAllocCat(s, XP_GetString(XP_DOCINFO_4));
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return (s);
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}
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#if defined(XP_WIN) || defined(XP_OS2)
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/*
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This routine will change the default URL charset to
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newCharset, BTW newCharset is passed from UI.
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*/
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void
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FE_ChangeURLCharset(const char *charset)
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{
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csname2id_t *csn2idp;
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char *cp;
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if (charset == NULL)
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return;
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csn2idp = csname2id_tbl;
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cp = (char *)charset;
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if (cp)
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while (*cp != '\0') {
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*cp = tolower(*cp);
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cp++;
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}
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while (*(csn2idp->cs_name) != '\0') {
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if (strcasecomp(charset, (char *)csn2idp->cs_name) == 0) {
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INTL_ChangeDefaultCharSetID(csn2idp->cs_id);
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return;
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}
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csn2idp++;
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}
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}
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void
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INTL_ChangeDefaultCharSetID(int16 csid)
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{
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csname2id_tbl[0].cs_id = csid;
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}
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#endif /* XP_WIN */
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