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427 lines
11 KiB
C++
Executable File
427 lines
11 KiB
C++
Executable File
// Created on: 1996-09-26
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// Created by: Arnaud BOUZY
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <Resource_Unicode.ixx>
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#include <Resource_ConvertUnicode.hxx>
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#include <Resource_Manager.hxx>
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#include <TCollection_AsciiString.hxx>
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#define isjis(c) (((c)>=0x21 && (c)<=0x7e))
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#define iseuc(c) (((c)>=0xa1 && (c)<=0xfe))
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#define issjis1(c) (((c)>=0x81 && (c)<=0x9f) || ((c)>=0xe0 && (c)<=0xef))
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#define issjis2(c) ((c)>=0x40 && (c)<=0xfc && (c)!=0x7f)
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#define ishankana(c) ((c)>=0xa0 && (c)<=0xdf)
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static inline Standard_Boolean isshift (unsigned char c) { return c >= 0x80; }
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static inline Standard_Boolean isshift (unsigned int c) { return c >= 0x80 && c <= 0xff; }
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void Resource_Unicode::ConvertSJISToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
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{
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tostr.Clear();
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unsigned char* currentstr = ((unsigned char*) fromstr);
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while(*currentstr != '\0') {
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if (issjis1(*currentstr)) {
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ph = ((unsigned int) *currentstr);
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// Be Carefull with first and second !!
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currentstr++;
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pl = ((unsigned int) *currentstr);
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currentstr++;
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Resource_sjis_to_unicode(&ph,&pl);
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Standard_ExtCharacter curcar = ((Standard_ExtCharacter) ((ph << 8) | pl));
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TCollection_ExtendedString curext(curcar);
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tostr.AssignCat(curext);
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}
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else {
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TCollection_ExtendedString curext(((char) *currentstr));
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currentstr++;
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tostr.AssignCat(curext);
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}
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}
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}
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void Resource_Unicode::ConvertEUCToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
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{
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tostr.Clear();
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unsigned char* currentstr = ((unsigned char*) fromstr);
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while(*currentstr != '\0') {
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if (iseuc(*currentstr)) {
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ph = ((unsigned int) *currentstr);
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// Be Carefull with first and second !!
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currentstr++;
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pl = ((unsigned int) *currentstr);
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currentstr++;
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Resource_euc_to_unicode(&ph,&pl);
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Standard_ExtCharacter curcar = ((Standard_ExtCharacter) ((ph << 8) | pl));
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TCollection_ExtendedString curext(curcar);
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tostr.AssignCat(curext);
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}
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else {
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TCollection_ExtendedString curext(((char) *currentstr));
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currentstr++;
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tostr.AssignCat(curext);
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}
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}
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}
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void Resource_Unicode::ConvertGBToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
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{
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tostr.Clear();
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unsigned char* currentstr = ((unsigned char*) fromstr);
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while(*currentstr != '\0') {
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if (isshift(*currentstr)) {
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ph = ((unsigned int) *currentstr);
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// Be Carefull with first and second !!
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currentstr++;
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pl = ((unsigned int) *currentstr);
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currentstr++;
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Resource_gb_to_unicode(&ph,&pl);
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Standard_ExtCharacter curcar = ((Standard_ExtCharacter) ((ph << 8) | pl));
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TCollection_ExtendedString curext(curcar);
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tostr.AssignCat(curext);
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}
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else {
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TCollection_ExtendedString curext(((char) *currentstr));
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currentstr++;
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tostr.AssignCat(curext);
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}
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}
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}
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void Resource_Unicode::ConvertANSIToUnicode(const Standard_CString fromstr,TCollection_ExtendedString& tostr)
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{
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tostr.Clear();
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TCollection_ExtendedString curext(fromstr);
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tostr.AssignCat(curext);
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}
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Standard_Boolean Resource_Unicode::ConvertUnicodeToSJIS(const TCollection_ExtendedString& fromstr,
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Standard_PCharacter& tostr,
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const Standard_Integer maxsize)
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{
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Standard_Integer nbtrans = 0;
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Standard_Integer nbext = 1;
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Standard_Boolean finished = Standard_False;
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Standard_ExtCharacter curcar;
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while (!finished) {
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if (nbext > fromstr.Length()) {
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finished = Standard_True;
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tostr[nbtrans] = '\0';
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}
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else {
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curcar = fromstr.Value(nbext);
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nbext++;
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ph = (((unsigned int) curcar) >> 8) & 0xFF;
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pl = ((unsigned int) curcar) & 0xFF;
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Resource_unicode_to_sjis(&ph,&pl);
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if (issjis1(ph)) {
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if (nbtrans < (maxsize-3)) {
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tostr[nbtrans] = ((char) ph);
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nbtrans++;
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tostr[nbtrans] = ((char) pl);
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nbtrans++;
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}
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else {
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tostr[nbtrans] = '\0';
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nbtrans = maxsize-1;
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return Standard_False;
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}
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}
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else {
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tostr[nbtrans] = ((char) pl);
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nbtrans++;
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}
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if (nbtrans >= (maxsize - 1)) {
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tostr[maxsize-1] = '\0';
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finished = Standard_True;
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return Standard_False;
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}
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}
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}
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return Standard_True;
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}
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Standard_Boolean Resource_Unicode::ConvertUnicodeToEUC(const TCollection_ExtendedString& fromstr,
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Standard_PCharacter& tostr,
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const Standard_Integer maxsize)
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{
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Standard_Integer nbtrans = 0;
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Standard_Integer nbext = 1;
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Standard_Boolean finished = Standard_False;
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Standard_ExtCharacter curcar;
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while (!finished) {
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if (nbext > fromstr.Length()) {
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finished = Standard_True;
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tostr[nbtrans] = '\0';
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}
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else {
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curcar = fromstr.Value(nbext);
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nbext++;
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ph = (((unsigned int) curcar) >> 8) & 0xFF;
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pl = ((unsigned int) curcar) & 0xFF;
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Resource_unicode_to_euc(&ph,&pl);
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if (iseuc(ph)) {
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if (nbtrans < (maxsize-3)) {
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tostr[nbtrans] = ((char) ph);
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nbtrans++;
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tostr[nbtrans] = ((char) pl);
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nbtrans++;
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}
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else {
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tostr[nbtrans-1] = '\0';
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nbtrans = maxsize-1;
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return Standard_False;
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}
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}
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else {
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tostr[nbtrans] = ((char) pl);
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nbtrans++;
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}
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if (nbtrans >= (maxsize - 1)) {
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tostr[maxsize-1] = '\0';
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finished = Standard_True;
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return Standard_False;
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}
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}
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}
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return Standard_True;
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}
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Standard_Boolean Resource_Unicode::ConvertUnicodeToGB(const TCollection_ExtendedString& fromstr,
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Standard_PCharacter& tostr,
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const Standard_Integer maxsize)
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{
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Standard_Integer nbtrans = 0;
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Standard_Integer nbext = 1;
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Standard_Boolean finished = Standard_False;
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Standard_ExtCharacter curcar;
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while (!finished) {
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if (nbext > fromstr.Length()) {
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finished = Standard_True;
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tostr[nbtrans] = '\0';
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}
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else {
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curcar = fromstr.Value(nbext);
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nbext++;
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ph = (((unsigned int) curcar) >> 8) & 0xFF;
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pl = ((unsigned int) curcar) & 0xFF;
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Resource_unicode_to_gb(&ph,&pl);
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if (isshift(ph)) {
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if (nbtrans < (maxsize-3)) {
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tostr[nbtrans] = ((char) ph);
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nbtrans++;
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tostr[nbtrans] = ((char) pl);
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nbtrans++;
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}
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else {
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tostr[nbtrans-1] = '\0';
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nbtrans = maxsize-1;
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return Standard_False;
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}
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}
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else {
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tostr[nbtrans] = ((char) curcar) & 0xFF;
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nbtrans++;
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}
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if (nbtrans >= (maxsize - 1)) {
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tostr[maxsize-1] = '\0';
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finished = Standard_True;
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return Standard_False;
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}
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}
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}
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return Standard_True;
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}
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Standard_Boolean Resource_Unicode::ConvertUnicodeToANSI(const TCollection_ExtendedString& fromstr,
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Standard_PCharacter& tostr,
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const Standard_Integer maxsize)
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{
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Standard_Integer nbtrans = 0;
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Standard_Integer nbext = 1;
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Standard_Boolean finished = Standard_False;
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Standard_ExtCharacter curcar;
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unsigned int pl,ph;
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// BIG INDIAN USED HERE
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while (!finished) {
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if (nbext > fromstr.Length()) {
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finished = Standard_True;
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tostr[nbtrans] = '\0';
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}
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else {
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curcar = fromstr.Value(nbext);
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nbext++;
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ph = ((unsigned int) curcar) >> 8;
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pl = ((unsigned int) curcar) & 0xFF;
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if (ph == 0) {
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tostr[nbtrans] = ((char) pl);
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}
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else {
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tostr[nbtrans] = ' ';
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}
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nbtrans++;
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}
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if (nbtrans >= (maxsize - 1)) {
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tostr[maxsize-1] = '\0';
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finished = Standard_True;
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return Standard_False;
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}
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}
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return Standard_True;
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}
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static Standard_Boolean AlreadyRead = Standard_False;
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static Resource_FormatType& Resource_Current_Format()
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{
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static Resource_FormatType theformat = Resource_ANSI;
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if (!AlreadyRead) {
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AlreadyRead = Standard_True ;
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Handle(Resource_Manager) mgr = new Resource_Manager("CharSet");
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if (mgr->Find("FormatType")) {
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TCollection_AsciiString form = mgr->Value("FormatType");
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if (form.IsEqual("SJIS")) {
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theformat = Resource_SJIS;
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}
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else if (form.IsEqual("EUC")) {
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theformat = Resource_EUC;
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}
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else if (form.IsEqual("GB")) {
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theformat = Resource_GB;
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}
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else {
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theformat = Resource_ANSI;
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}
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}
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else {
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theformat = Resource_ANSI;
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}
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}
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return theformat;
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}
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void Resource_Unicode::SetFormat(const Resource_FormatType typecode)
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{
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AlreadyRead = Standard_True;
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Resource_Current_Format() = typecode;
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}
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Resource_FormatType Resource_Unicode::GetFormat()
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{
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return Resource_Current_Format();
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}
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void Resource_Unicode::ReadFormat()
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{
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AlreadyRead = Standard_False;
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Resource_Unicode::GetFormat();
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}
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void Resource_Unicode::ConvertFormatToUnicode(const Standard_CString fromstr,
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TCollection_ExtendedString& tostr)
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{
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Resource_FormatType theform = Resource_Unicode::GetFormat();
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switch (theform) {
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case Resource_SJIS :
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{
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ConvertSJISToUnicode(fromstr,tostr);
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break;
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}
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case Resource_EUC :
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{
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ConvertEUCToUnicode(fromstr,tostr);
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break;
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}
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case Resource_GB :
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{
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ConvertGBToUnicode(fromstr,tostr);
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break;
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}
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case Resource_ANSI :
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{
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ConvertANSIToUnicode(fromstr,tostr);
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break;
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}
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}
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}
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Standard_Boolean Resource_Unicode::ConvertUnicodeToFormat(const TCollection_ExtendedString& fromstr,
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Standard_PCharacter& tostr,
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const Standard_Integer maxsize)
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{
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Resource_FormatType theform = Resource_Unicode::GetFormat();
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switch (theform) {
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case Resource_SJIS :
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{
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return ConvertUnicodeToSJIS(fromstr,tostr,maxsize);
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}
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case Resource_EUC :
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{
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return ConvertUnicodeToEUC(fromstr,tostr,maxsize);
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}
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case Resource_GB :
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{
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return ConvertUnicodeToGB(fromstr,tostr,maxsize);
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}
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case Resource_ANSI :
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{
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return ConvertUnicodeToANSI(fromstr,tostr,maxsize);
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}
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}
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return Standard_False;
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}
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