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/******************************************************************************
*
* encfiltmgr.cpp - implementaion of class EncodingFilterMgr, subclass of
* SWFilterMgr, used to transcode all module text to a
* requested encoding
*
* $Id: encfiltmgr.cpp 2980 2013-09-14 21:51:47Z scribe $
*
* Copyright 2001-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program 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.
*
* This program 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.
*
*/
#include <encfiltmgr.h>
#include <utilstr.h>
#include <scsuutf8.h>
#include <latin1utf8.h>
#include <unicodertf.h>
#include <utf8latin1.h>
#include <utf8utf16.h>
#include <utf8html.h>
#include <swmodule.h>
#include <swmgr.h>
SWORD_NAMESPACE_START
/******************************************************************************
* EncodingFilterMgr Constructor - initializes instance of EncodingFilterMgr
*
* ENT:
* enc - Encoding format to emit
*/
EncodingFilterMgr::EncodingFilterMgr(char enc)
: SWFilterMgr() {
scsuutf8 = new SCSUUTF8();
latin1utf8 = new Latin1UTF8();
encoding = enc;
switch (encoding) {
case ENC_LATIN1: targetenc = new UTF8Latin1(); break;
case ENC_UTF16: targetenc = new UTF8UTF16(); break;
case ENC_RTF: targetenc = new UnicodeRTF(); break;
case ENC_HTML: targetenc = new UTF8HTML(); break;
default: // i.e. case ENC_UTF8
targetenc = NULL;
}
}
/******************************************************************************
* EncodingFilterMgr Destructor - Cleans up instance of EncodingFilterMgr
*/
EncodingFilterMgr::~EncodingFilterMgr() {
delete scsuutf8;
delete latin1utf8;
delete targetenc;
}
void EncodingFilterMgr::AddRawFilters(SWModule *module, ConfigEntMap §ion) {
ConfigEntMap::iterator entry;
SWBuf encoding = ((entry = section.find("Encoding")) != section.end()) ? (*entry).second : (SWBuf)"";
if (!encoding.length() || !stricmp(encoding.c_str(), "Latin-1")) {
module->addRawFilter(latin1utf8);
}
else if (!stricmp(encoding.c_str(), "SCSU")) {
module->addRawFilter(scsuutf8);
}
}
void EncodingFilterMgr::AddEncodingFilters(SWModule *module, ConfigEntMap §ion) {
if (targetenc)
module->addEncodingFilter(targetenc);
}
/******************************************************************************
* EncodingFilterMgr::Encoding - sets/gets encoding
*
* ENT: enc - new encoding or 0 to simply get the current encoding
*
* RET: encoding
*/
char EncodingFilterMgr::Encoding(char enc) {
if (enc && enc != encoding) {
encoding = enc;
SWFilter *oldfilter = targetenc;
switch (encoding) {
case ENC_LATIN1: targetenc = new UTF8Latin1(); break;
case ENC_UTF16: targetenc = new UTF8UTF16(); break;
case ENC_RTF: targetenc = new UnicodeRTF(); break;
case ENC_HTML: targetenc = new UTF8HTML(); break;
default: // i.e. case ENC_UTF8
targetenc = NULL;
}
ModMap::const_iterator module;
if (oldfilter != targetenc) {
if (oldfilter) {
if (!targetenc) {
for (module = getParentMgr()->Modules.begin(); module != getParentMgr()->Modules.end(); module++)
module->second->removeRenderFilter(oldfilter);
}
else {
for (module = getParentMgr()->Modules.begin(); module != getParentMgr()->Modules.end(); module++)
module->second->replaceRenderFilter(oldfilter, targetenc);
}
delete oldfilter;
}
else if (targetenc) {
for (module = getParentMgr()->Modules.begin(); module != getParentMgr()->Modules.end(); module++)
module->second->addRenderFilter(targetenc);
}
}
}
return encoding;
}
SWORD_NAMESPACE_END
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