зеркало из https://github.com/mozilla/gecko-dev.git
376 строки
10 KiB
C
376 строки
10 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
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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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/* intl_csi.h */
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#ifndef INTL_CSI_H
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#define INTL_CSI_H
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/*
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Using the i18n Character-Set-Information (CSI) accessor functions:
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1) include the header file
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#include "intl_csi.h"
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2) get the i18n CSI object (generally from MWContext)
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INTL_CharSetInfo csi = LO_GetDocumentCharacterSetInfo(context);
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3) access (read/set) the data element
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int16 doc_csid = INTL_GetCSIDocCSID(csi);
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INTL_SetCSIDocCSID(csi, new_doc_csid);
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int16 win_csid = INTL_GetCSIWinCSID(csi);
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INTL_SetCSIWinCSID(csi, new_win_csid);
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char *mime_name = INTL_GetCSIMimeCharset(csi);
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INTL_SetCSIMimeCharset(csi, new_mime_charset);
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int16 relayout_flag = INTL_GetCSIRelayoutFlag(csi);
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INTL_SetCSIRelayoutFlag(csi, new_relayout_flag);
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*/
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XP_BEGIN_PROTOS
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#include "ntypes.h"
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#include "libi18n.h"
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/**
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* Cookie for INTL_CSIInfo.
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*
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* This is a Magic Cookie to validate the pointer to INTL_CSIInfo in MWContext.
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*
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*/
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#define INTL_TAG 0x494E544C
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/**@name Character Set Information (CSI) */
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/*@{*/
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/**
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* Allocate a new charset info object, and clear it with zeroes.
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*
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* @return The new charset info object
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* @see INTL_CSIInitialize, INTL_CSIDestroy
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*/
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PUBLIC INTL_CharSetInfo INTL_CSICreate(void);
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/**
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* Frees the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @see INTL_CSICreate
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*/
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PUBLIC void INTL_CSIDestroy(
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INTL_CharSetInfo obj
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);
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/**
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* Sets all the charset info object fields to initial values.
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*
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* The override, HTTP, HTML META, document and window charset IDs are all set
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* to CS_DEFAULT. The MIME charset is set to NULL. The relayout flag is set
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* to METACHARSET_NONE.
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*
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* @param obj Specifies the charset info object
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* @see INTL_CSIInitialize
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*/
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PUBLIC void INTL_CSIReset(
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INTL_CharSetInfo obj
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);
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/**
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* Initializes the charset info object.
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*
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* <UL>
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* <LI>
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* If the given is_metacharset_reload argument is FALSE, INTL_CSIReset is
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* called, passing the given charset info object.
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*
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* <LI>
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* If the given is_metacharset_reload argument is TRUE, the charset info
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* object's relayout flag is set to METACHARSET_RELAYOUTDONE.
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*
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* <LI>
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* Otherwise, if the override charset ID is previously set in this object,
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* it is set in the document charset ID field.
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*
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* <LI>
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* Otherwise, if the given HTTP charset is known, it is set in the HTTP
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* charset field.
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*
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* <LI>
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* Otherwise, the document charset ID field is set to the given
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* defaultDocCharSetID, unless the type is mail/news, in which case CS_DEFAULT
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* is used. This is because the META charset in mail/news is sometimes wrong.
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*
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* <LI>
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* Finally, the window charset ID is set, based on the document charset ID.
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* </UL>
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*
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* @param obj Specifies the charset info object
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* @param is_metacharset_reload TRUE if it is currently reloading because
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* the layout code found HTML META charset.
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* FALSE otherwise.
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* @param http_charset Specifies the charset name if it is presented in
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* HTTP Content-Type header
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* @param type Specifies the context type
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* @param defaultDocCharSetID Specifies the default document charset ID.
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* @see
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*/
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PUBLIC void INTL_CSIInitialize(
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INTL_CharSetInfo obj,
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XP_Bool is_metacharset_reload,
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char *http_charset,
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int type,
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uint16 defaultDocCharSetID
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);
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/**
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* Sets HTML META charset info in the given charset info object.
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*
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* <UL>
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* <LI>
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* If the given charset is unknown, this function returns.
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*
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* <LI>
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* If the given context type is mail or news, this function returns,
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* since mail/news sometimes has wrong HTML META charsets.
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*
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* <LI>
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* If the relayout flag is set to something other than METACHARSET_NONE, this
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* function returns, to avoid setting the META charset more than once.
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*
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* <LI>
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* Otherwise, the HTML META charset field is set, and the relayout flag is
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* set to METACHARSET_HASCHARSET.
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* If the previous document charset was known,
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* and was different from the new META charset, the relayout flag is set to
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* METACHARSET_REQUESTRELAYOUT.
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* The window charset ID is also checked against the new one.
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* If they are different, the relayout flag is set to
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* METACHARSET_REQUESTRELAYOUT.
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* </UL>
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*
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* @param obj Specifies the charset info object
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* @param charset_tag Specifies the HTML META charset
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* @param type Specifies the context type
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* @see INTL_GetCSIMetaDocCSID, INTL_GetCSIRelayoutFlag
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*/
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PUBLIC void INTL_CSIReportMetaCharsetTag(
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INTL_CharSetInfo obj,
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char *charset_tag,
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int type
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);
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#if 0
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/**
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* Returns the context's charset info object.
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*
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* @param context Specifies the context
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* @return The context's charset info object
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* @see INTL_CSICreate
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*/
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PUBLIC INTL_CharSetInfo LO_GetDocumentCharacterSetInfo(
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MWContext *context
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);
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#endif
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/**
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* Returns the document charset ID of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The document charset ID
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* @see INTL_SetCSIDocCSID
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*/
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PUBLIC int16 INTL_GetCSIDocCSID(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the document charset ID field of the given charset info object.
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*
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* The document charset ID field is only set if the higher precedence fields
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* (override, HTTP and META) are all set to CS_DEFAULT.
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*
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* @param obj Specifies the charset info object
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* @param docCharSetID Specifies the document charset ID
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* @see INTL_GetCSIDocCSID
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*/
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PUBLIC void INTL_SetCSIDocCSID(
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INTL_CharSetInfo obj,
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int16 docCharSetID
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);
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/**
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* Returns the override document charset ID of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The override document charset ID
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* @see INTL_SetCSIOverrideDocCSID
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*/
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PUBLIC int16 INTL_GetCSIOverrideDocCSID(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the override document charset ID of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @param overrideDocCharSetID Specifies the override document charset ID
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* @see INTL_GetCSIOverrideDocCSID
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*/
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PUBLIC void INTL_SetCSIOverrideDocCSID(
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INTL_CharSetInfo obj,
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int16 overrideDocCharSetID
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);
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/**
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* Returns the HTML META document charset ID of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The HTML META document charset ID
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* @see INTL_SetCSIMetaDocCSID
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*/
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PUBLIC int16 INTL_GetCSIMetaDocCSID(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the HTML META document charset ID of the given charset info object.
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*
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* The HTML META document charset ID field is only set if the higher precedence
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* fields (override and HTTP) are all set to CS_DEFAULT.
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*
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* @param obj Specifies the charset info object
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* @param metaCharSetID Specifies the HTML META document charset ID
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* @see INTL_GetCSIMetaDocCSID
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*/
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PUBLIC void INTL_SetCSIMetaDocCSID(
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INTL_CharSetInfo obj,
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int16 metaCharSetID
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);
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/**
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* Returns the HTTP document charset ID of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The HTTP document charset ID
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* @see INTL_SetCSIHTTPDocCSID
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*/
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PUBLIC int16 INTL_GetCSIHTTPDocCSID(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the HTTP document charset ID of the given charset info object.
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*
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* The HTTP document charset ID field is only set if the higher precedence
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* field (override) is set to CS_DEFAULT.
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*
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* @param obj Specifies the charset info object
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* @param httpDocCharSetID Specifies the HTTP document charset ID
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* @see INTL_GetCSIHTTPDocCSID
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*/
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PUBLIC void INTL_SetCSIHTTPDocCSID(
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INTL_CharSetInfo obj,
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int16 httpDocCharSetID
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);
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/**
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* Returns the window charset ID of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The window charset ID
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* @see INTL_SetCSIWinCSID
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*/
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PUBLIC int16 INTL_GetCSIWinCSID(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the window charset ID field of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @param winCharSetID Specifies the window charset ID
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* @see INTL_GetCSIWinCSID
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*/
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PUBLIC void INTL_SetCSIWinCSID(
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INTL_CharSetInfo obj,
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int16 winCharSetID
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);
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/**
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* Returns the MIME charset field of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The MIME charset
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* @see INTL_SetCSIMimeCharset
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*/
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PUBLIC char *INTL_GetCSIMimeCharset(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the MIME charset field of the given charset info object.
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*
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* If the charset info object already contains a pointer to a MIME charset,
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* that charset is freed. Then the given charset is copied, and the copy is
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* converted to lower case. The copy is then set in the MIME charset field.
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*
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* @param obj Specifies the charset info object
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* @param mime_charset Specifies the MIME charset
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* @see INTL_GetCSIMimeCharset
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*/
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PUBLIC void INTL_SetCSIMimeCharset(
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INTL_CharSetInfo obj,
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char *mime_charset
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);
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/**
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* Returns the relayout field of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @return The relayout field
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* @see INTL_SetCSIRelayoutFlag
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*/
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PUBLIC int16 INTL_GetCSIRelayoutFlag(
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INTL_CharSetInfo obj
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);
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/**
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* Sets the relayout field of the given charset info object.
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*
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* @param obj Specifies the charset info object
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* @param relayout Specifies the relayout field
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* @see INTL_GetCSIRelayoutFlag
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*/
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PUBLIC void INTL_SetCSIRelayoutFlag(
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INTL_CharSetInfo obj,
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int16 relayout
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);
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/*@}*/
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XP_END_PROTOS
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#endif /* INTL_CSI_H */
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