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// Copyright: Matra-Datavision 1996
// File: Resource_Unicode.cxx
// Created: Thu Sep 26 14:39:46 1996
// Author: Arnaud BOUZY
// <adn>
#include <Resource_Unicode.ixx>
#include <Resource_ConvertUnicode.hxx>
#include <Resource_Manager.hxx>
#include <TCollection_AsciiString.hxx>
#define isjis(c) (((c)>=0x21 && (c)<=0x7e))
#define iseuc(c) (((c)>=0xa1 && (c)<=0xfe))
#define issjis1(c) (((c)>=0x81 && (c)<=0x9f) || ((c)>=0xe0 && (c)<=0xef))
#define issjis2(c) ((c)>=0x40 && (c)<=0xfc && (c)!=0x7f)
#define ishankana(c) ((c)>=0xa0 && (c)<=0xdf)
static inline Standard_Boolean isshift (unsigned char c) { return c >= 0x80; }
static inline Standard_Boolean isshift (unsigned int c) { return c >= 0x80 && c <= 0xff; }
void Resource_Unicode::ConvertSJISToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
{
tostr.Clear();
unsigned char* currentstr = ((unsigned char*) fromstr);
unsigned int pl,ph;
// BIG INDIAN USED HERE
while(*currentstr != '\0') {
if (issjis1(*currentstr)) {
ph = ((unsigned int) *currentstr);
// Be Carefull with first and second !!
currentstr++;
pl = ((unsigned int) *currentstr);
currentstr++;
Resource_sjis_to_unicode(&ph,&pl);
Standard_ExtCharacter curcar = ((Standard_ExtCharacter) ((ph << 8) | pl));
TCollection_ExtendedString curext(curcar);
tostr.AssignCat(curext);
}
else {
TCollection_ExtendedString curext(((char) *currentstr));
currentstr++;
tostr.AssignCat(curext);
}
}
}
void Resource_Unicode::ConvertEUCToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
{
tostr.Clear();
unsigned char* currentstr = ((unsigned char*) fromstr);
unsigned int pl,ph;
// BIG INDIAN USED HERE
while(*currentstr != '\0') {
if (iseuc(*currentstr)) {
ph = ((unsigned int) *currentstr);
// Be Carefull with first and second !!
currentstr++;
pl = ((unsigned int) *currentstr);
currentstr++;
Resource_euc_to_unicode(&ph,&pl);
Standard_ExtCharacter curcar = ((Standard_ExtCharacter) ((ph << 8) | pl));
TCollection_ExtendedString curext(curcar);
tostr.AssignCat(curext);
}
else {
TCollection_ExtendedString curext(((char) *currentstr));
currentstr++;
tostr.AssignCat(curext);
}
}
}
void Resource_Unicode::ConvertGBToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
{
tostr.Clear();
unsigned char* currentstr = ((unsigned char*) fromstr);
unsigned int pl,ph;
// BIG INDIAN USED HERE
while(*currentstr != '\0') {
if (isshift(*currentstr)) {
ph = ((unsigned int) *currentstr);
// Be Carefull with first and second !!
currentstr++;
pl = ((unsigned int) *currentstr);
currentstr++;
Resource_gb_to_unicode(&ph,&pl);
Standard_ExtCharacter curcar = ((Standard_ExtCharacter) ((ph << 8) | pl));
TCollection_ExtendedString curext(curcar);
tostr.AssignCat(curext);
}
else {
TCollection_ExtendedString curext(((char) *currentstr));
currentstr++;
tostr.AssignCat(curext);
}
}
}
void Resource_Unicode::ConvertANSIToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
{
tostr.Clear();
TCollection_ExtendedString curext(fromstr);
tostr.AssignCat(curext);
}
Standard_Boolean Resource_Unicode::ConvertUnicodeToSJIS(const TCollection_ExtendedString& fromstr,
Standard_PCharacter& tostr,
const Standard_Integer maxsize)
{
Standard_Integer nbtrans = 0;
Standard_Integer nbext = 1;
Standard_Boolean finished = Standard_False;
Standard_ExtCharacter curcar;
unsigned int pl,ph;
// BIG INDIAN USED HERE
while (!finished) {
if (nbext > fromstr.Length()) {
finished = Standard_True;
tostr[nbtrans] = '\0';
}
else {
curcar = fromstr.Value(nbext);
nbext++;
ph = (((unsigned int) curcar) >> 8) & 0xFF;
pl = ((unsigned int) curcar) & 0xFF;
Resource_unicode_to_sjis(&ph,&pl);
if (issjis1(ph)) {
if (nbtrans < (maxsize-3)) {
tostr[nbtrans] = ((char) ph);
nbtrans++;
tostr[nbtrans] = ((char) pl);
nbtrans++;
}
else {
tostr[nbtrans] = '\0';
nbtrans = maxsize-1;
return Standard_False;
}
}
else {
tostr[nbtrans] = ((char) pl);
nbtrans++;
}
if (nbtrans >= (maxsize - 1)) {
tostr[maxsize-1] = '\0';
finished = Standard_True;
return Standard_False;
}
}
}
return Standard_True;
}
Standard_Boolean Resource_Unicode::ConvertUnicodeToEUC(const TCollection_ExtendedString& fromstr,
Standard_PCharacter& tostr,
const Standard_Integer maxsize)
{
Standard_Integer nbtrans = 0;
Standard_Integer nbext = 1;
Standard_Boolean finished = Standard_False;
Standard_ExtCharacter curcar;
unsigned int pl,ph;
// BIG INDIAN USED HERE
while (!finished) {
if (nbext > fromstr.Length()) {
finished = Standard_True;
tostr[nbtrans] = '\0';
}
else {
curcar = fromstr.Value(nbext);
nbext++;
ph = (((unsigned int) curcar) >> 8) & 0xFF;
pl = ((unsigned int) curcar) & 0xFF;
Resource_unicode_to_euc(&ph,&pl);
if (iseuc(ph)) {
if (nbtrans < (maxsize-3)) {
tostr[nbtrans] = ((char) ph);
nbtrans++;
tostr[nbtrans] = ((char) pl);
nbtrans++;
}
else {
tostr[nbtrans-1] = '\0';
nbtrans = maxsize-1;
return Standard_False;
}
}
else {
tostr[nbtrans] = ((char) pl);
nbtrans++;
}
if (nbtrans >= (maxsize - 1)) {
tostr[maxsize-1] = '\0';
finished = Standard_True;
return Standard_False;
}
}
}
return Standard_True;
}
Standard_Boolean Resource_Unicode::ConvertUnicodeToGB(const TCollection_ExtendedString& fromstr,
Standard_PCharacter& tostr,
const Standard_Integer maxsize)
{
Standard_Integer nbtrans = 0;
Standard_Integer nbext = 1;
Standard_Boolean finished = Standard_False;
Standard_ExtCharacter curcar;
unsigned int pl,ph;
// BIG INDIAN USED HERE
while (!finished) {
if (nbext > fromstr.Length()) {
finished = Standard_True;
tostr[nbtrans] = '\0';
}
else {
curcar = fromstr.Value(nbext);
nbext++;
ph = (((unsigned int) curcar) >> 8) & 0xFF;
pl = ((unsigned int) curcar) & 0xFF;
Resource_unicode_to_gb(&ph,&pl);
if (isshift(ph)) {
if (nbtrans < (maxsize-3)) {
tostr[nbtrans] = ((char) ph);
nbtrans++;
tostr[nbtrans] = ((char) pl);
nbtrans++;
}
else {
tostr[nbtrans-1] = '\0';
nbtrans = maxsize-1;
return Standard_False;
}
}
else {
tostr[nbtrans] = ((char) curcar) & 0xFF;
nbtrans++;
}
if (nbtrans >= (maxsize - 1)) {
tostr[maxsize-1] = '\0';
finished = Standard_True;
return Standard_False;
}
}
}
return Standard_True;
}
Standard_Boolean Resource_Unicode::ConvertUnicodeToANSI(const TCollection_ExtendedString& fromstr,
Standard_PCharacter& tostr,
const Standard_Integer maxsize)
{
Standard_Integer nbtrans = 0;
Standard_Integer nbext = 1;
Standard_Boolean finished = Standard_False;
Standard_ExtCharacter curcar;
unsigned int pl,ph;
// BIG INDIAN USED HERE
while (!finished) {
if (nbext > fromstr.Length()) {
finished = Standard_True;
tostr[nbtrans] = '\0';
}
else {
curcar = fromstr.Value(nbext);
nbext++;
ph = ((unsigned int) curcar) >> 8;
pl = ((unsigned int) curcar) & 0xFF;
if (ph == 0) {
tostr[nbtrans] = ((char) pl);
}
else {
tostr[nbtrans] = ' ';
}
nbtrans++;
}
if (nbtrans >= (maxsize - 1)) {
tostr[maxsize-1] = '\0';
finished = Standard_True;
return Standard_False;
}
}
return Standard_True;
}
static Standard_Boolean AlreadyRead = Standard_False;
static Resource_FormatType& Resource_Current_Format()
{
static Resource_FormatType theformat = Resource_ANSI;
if (!AlreadyRead) {
AlreadyRead = Standard_True ;
Handle(Resource_Manager) mgr = new Resource_Manager("CharSet");
if (mgr->Find("FormatType")) {
TCollection_AsciiString form = mgr->Value("FormatType");
if (form.IsEqual("SJIS")) {
theformat = Resource_SJIS;
}
else if (form.IsEqual("EUC")) {
theformat = Resource_EUC;
}
else if (form.IsEqual("GB")) {
theformat = Resource_GB;
}
else {
theformat = Resource_ANSI;
}
}
else {
theformat = Resource_ANSI;
}
}
return theformat;
}
void Resource_Unicode::SetFormat(const Resource_FormatType typecode)
{
AlreadyRead = Standard_True;
Resource_Current_Format() = typecode;
}
Resource_FormatType Resource_Unicode::GetFormat()
{
return Resource_Current_Format();
}
void Resource_Unicode::ReadFormat()
{
AlreadyRead = Standard_False;
Resource_Unicode::GetFormat();
}
void Resource_Unicode::ConvertFormatToUnicode(const Standard_CString fromstr,
TCollection_ExtendedString& tostr)
{
Resource_FormatType theform = Resource_Unicode::GetFormat();
switch (theform) {
case Resource_SJIS :
{
ConvertSJISToUnicode(fromstr,tostr);
break;
}
case Resource_EUC :
{
ConvertEUCToUnicode(fromstr,tostr);
break;
}
case Resource_GB :
{
ConvertGBToUnicode(fromstr,tostr);
break;
}
case Resource_ANSI :
{
ConvertANSIToUnicode(fromstr,tostr);
break;
}
}
}
Standard_Boolean Resource_Unicode::ConvertUnicodeToFormat(const TCollection_ExtendedString& fromstr,
Standard_PCharacter& tostr,
const Standard_Integer maxsize)
{
Resource_FormatType theform = Resource_Unicode::GetFormat();
switch (theform) {
case Resource_SJIS :
{
return ConvertUnicodeToSJIS(fromstr,tostr,maxsize);
}
case Resource_EUC :
{
return ConvertUnicodeToEUC(fromstr,tostr,maxsize);
}
case Resource_GB :
{
return ConvertUnicodeToGB(fromstr,tostr,maxsize);
}
case Resource_ANSI :
{
return ConvertUnicodeToANSI(fromstr,tostr,maxsize);
}
}
return Standard_False;
}
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