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chars.c
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chars.c
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/* chars.c - Handle special TeX characters and logos
Copyright (C) 2002 The Free Software Foundation
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; either version 2
of the License, or (at your option) any later version.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
This file is available from http://sourceforge.net/projects/latex2rtf/
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "main.h"
#include "math.h"
#include "commands.h"
#include "fonts.h"
#include "cfg.h"
#include "ignore.h"
#include "encodings.h"
#include "parser.h"
#include "chars.h"
#include "funct1.h"
#include "convert.h"
#include "utils.h"
#include "vertical.h"
#include "fields.h"
/*****************************************************************************
purpose: emit a unicode character. values above 2^15 are negative
the default_char should be a simple ascii 0-127 character
******************************************************************************/
static void putUnicodeChar(unsigned char b1, unsigned char b2, char default_char)
{
if (getTexMode() == MODE_VERTICAL)
changeTexMode(MODE_HORIZONTAL);
if (b1<128)
fprintRTF("\\u%d%c",b1*256+b2,default_char);
else
fprintRTF("\\u%d%c",b1*256+b2-65536,default_char);
}
/******************************************************************************
* purpose : inserts a Unicode character
*******************************************************************************/
void CmdUnicodeChar(int code)
{
unsigned char a,b;
uint16_t thechar;
if (getTexMode() == MODE_VERTICAL)
changeTexMode(MODE_HORIZONTAL);
thechar = code;
a = thechar >> 8;
b = thechar - a * 256;
putUnicodeChar(a,b,'?');
}
/*****************************************************************************
purpose : converts characters with diaeresis, e.g., \"{a} or \ddot{a}
******************************************************************************/
void CmdUmlauteChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
if (strstr(cParam, "\\i")) {
fprintRTF("\\'ef");
free(cParam);
return;
}
switch (cParam[0]) {
case 'A':
fprintRTF("\\'c4");
break;
case 'E':
fprintRTF("\\'cb");
break;
case 'I':
fprintRTF("\\'cf");
break;
case 'O':
fprintRTF("\\'d6");
break;
case 'U':
fprintRTF("\\'dc");
break;
case 'a':
fprintRTF("\\'e4");
break;
case 'e':
fprintRTF("\\'eb");
break;
case 'i':
fprintRTF("\\'ef");
break;
case 'o':
fprintRTF("\\'f6");
break;
case 'u':
fprintRTF("\\'fc");
break;
case 'y':
fprintRTF("\\'ff");
break;
case 'Y':
putUnicodeChar(0x01,0x78,'Y');
break;
case 'H':
putUnicodeChar(0x1E,0x26,'H');
break;
case 'h':
putUnicodeChar(0x1E,0x27,'h');
break;
case 'W':
putUnicodeChar(0x1E,0x83,'W');
break;
case 'w':
putUnicodeChar(0x1E,0x84,'w');
break;
case 'X':
putUnicodeChar(0x1E,0x8C,'X');
break;
case 'x':
putUnicodeChar(0x1E,0x8D,'x');
break;
case 't':
putUnicodeChar(0x1E,0x97,'t');
break;
case '\0':
fprintRTF(" \\u776.");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u776.}"); /* unicode combining character 0x308*/
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts symbols with grave accents (\`{a}) from LaTeX to RTF
******************************************************************************/
void CmdGraveChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
if (strstr(cParam, "\\i")) {
fprintRTF("\\'ec");
free(cParam);
return;
}
switch (cParam[0]) {
case 'A':
fprintRTF("\\'c0");
break;
case 'E':
fprintRTF("\\'c8");
break;
case 'I':
fprintRTF("\\'cc");
break;
case 'O':
fprintRTF("\\'d2");
break;
case 'U':
fprintRTF("\\'d9");
break;
case 'a':
fprintRTF("\\'e0");
break;
case 'e':
fprintRTF("\\'e8");
break;
case 'i':
fprintRTF("\\'ec");
break;
case 'o':
fprintRTF("\\'f2");
break;
case 'u':
fprintRTF("\\'f9");
break;
case 'N':
fprintRTF("\\u504N");
break;
case 'n':
fprintRTF("\\u505n");
break;
case '\0':
fprintRTF(" \\u768\\'60");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u768\\'60}"); /* unicode combining character 0x0300 */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts symbols with acute accents (\'{a}) from LaTeX to RTF
******************************************************************************/
void CmdAcuteChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
if (strstr(cParam, "\\i")) {
fprintRTF("\\'ed");
free(cParam);
return;
}
switch (cParam[0]) {
case 'A':
fprintRTF("\\'c1");
break;
case 'E':
fprintRTF("\\'c9");
break;
case 'I':
fprintRTF("\\'cd");
break;
case 'O':
fprintRTF("\\'d3");
break;
case 'U':
fprintRTF("\\'da");
break;
case 'a':
fprintRTF("\\'e1");
break;
case 'e':
fprintRTF("\\'e9");
break;
case 'i':
fprintRTF("\\'ed");
break;
case 'o':
fprintRTF("\\'f3");
break;
case 'u':
fprintRTF("\\'fa");
break;
case 'y':
fprintRTF("\\'fd");
break;
case 'Y':
fprintRTF("\\'dd");
break;
case 'C':
fprintRTF("\\u262C");
break;
case 'c':
fprintRTF("\\u263c");
break;
case 'G':
fprintRTF("\\u500G");
break;
case 'g':
fprintRTF("\\u501g");
break;
case 'L':
fprintRTF("\\u313L");
break;
case 'l':
fprintRTF("\\u314l");
break;
case 'N':
fprintRTF("\\u323N");
break;
case 'n':
fprintRTF("\\u324n");
break;
case 'R':
fprintRTF("\\u340R");
break;
case 'r':
fprintRTF("\\u341r");
break;
case 'S':
fprintRTF("\\u346S");
break;
case 's':
fprintRTF("\\u347s");
break;
case 'Z':
fprintRTF("\\u377Z");
break;
case 'z':
fprintRTF("\\u378z");
break;
case '\0':
fprintRTF("\\'b4");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u769\\'b4}"); /* unicode combining character 0x0301 */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts \H{o}
******************************************************************************/
void CmdDoubleAcuteChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'O':
putUnicodeChar(0x01,0x50,'O');
break;
case 'o':
putUnicodeChar(0x01,0x51,'o');
break;
case 'U':
putUnicodeChar(0x01,0x70,'U');
break;
case 'u':
putUnicodeChar(0x01,0x71,'u');
break;
case '\0':
putUnicodeChar(0x02,0xDD,'"');
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u779\"}"); /* unicode combining character 0x030B */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts special symbols from LaTeX to RTF
******************************************************************************/
void CmdMacronChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
if (strstr(cParam, "\\i")) {
putUnicodeChar(0x01,0x2B,'i');
free(cParam);
return;
}
switch (cParam[0]) {
case 'A':
putUnicodeChar(0x01,0x00,'A');
break;
case 'a':
putUnicodeChar(0x01,0x01,'a');
break;
case 'E':
putUnicodeChar(0x01,0x12,'E');
break;
case 'e':
putUnicodeChar(0x01,0x13,'e');
break;
case 'I':
putUnicodeChar(0x01,0x2A,'l');
break;
case 'i':
putUnicodeChar(0x01,0x2B,'i');
break;
case 'G':
putUnicodeChar(0x1E,0x20,'G');
break;
case 'g':
putUnicodeChar(0x1E,0x21,'g');
break;
case 'O':
putUnicodeChar(0x01,0x4C,'O');
break;
case 'o':
putUnicodeChar(0x01,0x4D,'o');
break;
case 'U':
putUnicodeChar(0x01,0x6A,'U');
break;
case 'u':
putUnicodeChar(0x01,0x6B,'u');
break;
case 'Y':
putUnicodeChar(0x02,0x32,'Y');
break;
case 'y':
putUnicodeChar(0x02,0x33,'y');
break;
case '\0':
fprintRTF("\\'5f");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u772\\'5f}"); /* unicode combining character 0x0304 */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: \^{o} and \hat{o} symbols from LaTeX to RTF
******************************************************************************/
void CmdHatChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'a':
fprintRTF("\\'e2");
break;
case 'A':
fprintRTF("\\'c2");
break;
case 'e':
fprintRTF("\\'ea");
break;
case 'E':
fprintRTF("\\'ca");
break;
case 'i':
fprintRTF("\\'ee");
break;
case 'I':
fprintRTF("\\'ce");
break;
case 'o':
fprintRTF("\\'f4");
break;
case 'O':
fprintRTF("\\'d4");
break;
case 'u':
fprintRTF("\\'fb");
break;
case 'U':
fprintRTF("\\'db");
break;
case 'C':
fprintRTF("\\u264C");
break;
case 'c':
fprintRTF("\\u265c");
break;
case 'G':
fprintRTF("\\u284G");
break;
case 'g':
fprintRTF("\\u285g");
break;
case 'H':
fprintRTF("\\u292H");
break;
case 'h':
fprintRTF("\\u293h");
break;
case 'J':
fprintRTF("\\u308J");
break;
case 'S':
fprintRTF("\\u348S");
break;
case 's':
fprintRTF("\\u349s");
break;
case 'W':
fprintRTF("\\u372W");
break;
case 'w':
fprintRTF("\\u373w");
break;
case 'Y':
fprintRTF("\\u374Y");
break;
case 'y':
fprintRTF("\\u375y");
break;
case '\0':
fprintRTF("\\'5e");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u770\\'5e}"); /* unicode combining character 0x0302 */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts \r accents from LaTeX to RTF
******************************************************************************/
void CmdRingChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam;
if (code == 1) {
char c, d;
c = getTexChar();
d = getTexChar();
if (c!='2' || d != '3') {
fprintf(stderr, "sorry only \\accent23 is supported \n");
return;
}
}
cParam = getBraceParam();
switch (cParam[0]) {
case 'A':
fprintRTF("\\'c5");
break;
case 'a':
fprintRTF("\\'e5");
break;
case 'U':
putUnicodeChar(0x01,0x6E,'U');
break;
case 'u':
putUnicodeChar(0x01,0x6F,'u');
break;
case 'w':
putUnicodeChar(0x01,0x98,'w');
break;
case 'y':
putUnicodeChar(0x01,0x99,'y');
break;
case '\0':
fprintRTF("\\'b0");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u778\\'b0}"); /* unicode combining character 0x030A */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts \~{n} from LaTeX to RTF
******************************************************************************/
void CmdTildeChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
if (strstr(cParam, "\\i")) {
fprintRTF("\\u297i");
free(cParam);
return;
}
switch (cParam[0]) {
case 'A':
fprintRTF("\\'c3");
break;
case 'O':
fprintRTF("\\'d5");
break;
case 'a':
fprintRTF("\\'e3");
break;
case 'o':
fprintRTF("\\'f5");
break;
case 'n':
fprintRTF("\\'f1");
break;
case 'N':
fprintRTF("\\'d1");
break;
case 'I':
fprintRTF("\\u296I");
break;
case 'U':
fprintRTF("\\u360U");
break;
case 'u':
fprintRTF("\\u361u");
break;
case '\0':
fprintRTF("\\'7e");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u771\\'7e}"); /* unicode combining character 0x0303 */
ConvertString(cParam);
break;
}
free(cParam);
}
/*****************************************************************************
purpose: converts \c{c} from LaTeX to RTF
******************************************************************************/
void CmdCedillaChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'C':
fprintRTF("\\'c7");
break;
case 'c':
fprintRTF("\\'e7");
break;
case 'G':
putUnicodeChar(0x01,0x22,'G');
break;
case 'g':
putUnicodeChar(0x01,0x23,'g');
break;
case 'K':
putUnicodeChar(0x01,0x36,'K');
break;
case 'k':
putUnicodeChar(0x01,0x37,'k');
break;
case 'L':
putUnicodeChar(0x01,0x3B,'L');
break;
case 'l':
putUnicodeChar(0x01,0x3C,'l');
break;
case 'N':
putUnicodeChar(0x01,0x45,'N');
break;
case 'n':
putUnicodeChar(0x01,0x46,'n');
break;
case 'R':
putUnicodeChar(0x01,0x56,'R');
break;
case 'r':
putUnicodeChar(0x01,0x57,'r');
break;
case 'S':
putUnicodeChar(0x01,0x5E,'S');
break;
case 's':
putUnicodeChar(0x01,0x5F,'s');
break;
case 'T':
putUnicodeChar(0x01,0x62,'T');
break;
case 't':
putUnicodeChar(0x01,0x63,'t');
break;
case 'E':
putUnicodeChar(0x02,0x28,'E');
break;
case 'e':
putUnicodeChar(0x02,0x29,'e');
break;
case '\0':
fprintRTF("\\'b8");
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u807\\'b8}"); /* unicode combining character 0x0327 */
ConvertString(cParam);
break;
}
free(cParam);
}
/*****************************************************************************
purpose: converts \u{o} and \breve{o}
******************************************************************************/
void CmdBreveChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'A':
putUnicodeChar(0x01,0x02,'A');
break;
case 'a':
putUnicodeChar(0x01,0x03,'a');
break;
case 'E':
putUnicodeChar(0x01,0x14,'E');
break;
case 'e':
putUnicodeChar(0x01,0x15,'e');
break;
case 'G':
putUnicodeChar(0x01,0x1e,'G');
break;
case 'g':
putUnicodeChar(0x01,0x1f,'g');
break;
case 'I':
putUnicodeChar(0x01,0x2c,'I');
break;
case 'i':
putUnicodeChar(0x01,0x2d,'i');
break;
case 'O':
putUnicodeChar(0x01,0x4e,'O');
break;
case 'o':
putUnicodeChar(0x01,0x4f,'o');
break;
case 'U':
putUnicodeChar(0x01,0x6c,'U');
break;
case 'c':
putUnicodeChar(0x01,0x0D,'c');
break;
case '\0':
putUnicodeChar(0x02,0xD8,'u');
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u774u}"); /* unicode combining character 0x0306 */
ConvertString(cParam);
break;
}
free(cParam);
}
/*****************************************************************************
purpose: converts \U{i} ... probably specific to ot2
******************************************************************************/
void CmdWideBreveChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'U':
CmdUnicodeChar(0x040E);
break;
case 'I':
CmdUnicodeChar(0x0419);
break;
case 'i':
CmdUnicodeChar(0x0439);
break;
case 'u':
CmdUnicodeChar(0x0439);
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u774u}"); /* unicode combining character 0x0306 */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts \v{a}
need something that looks like \\O(a,\\S(\f1\'da)) in RTF file
******************************************************************************/
void CmdCaronChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'C':
putUnicodeChar(0x01,0x0C,'C');
break;
case 'c':
putUnicodeChar(0x01,0x0D,'c');
break;
case 'D':
putUnicodeChar(0x01,0x0E,'D');
break;
case 'd':
putUnicodeChar(0x01,0x0F,'d');
break;
case 'E':
putUnicodeChar(0x01,0x1A,'E');
break;
case 'e':
putUnicodeChar(0x01,0x1B,'e');
break;
case 'L':
putUnicodeChar(0x01,0x3D,'L');
break;
case 'l':
putUnicodeChar(0x01,0x3E,'l');
break;
case 'N':
putUnicodeChar(0x01,0x47,'N');
break;
case 'n':
putUnicodeChar(0x01,0x48,'n');
break;
case 'R':
putUnicodeChar(0x01,0x58,'R');
break;
case 'r':
putUnicodeChar(0x01,0x59,'r');
break;
case 'S':
putUnicodeChar(0x01,0x60,'S');
break;
case 's':
putUnicodeChar(0x01,0x61,'s');
break;
case 'T':
putUnicodeChar(0x01,0x64,'T');
break;
case 't':
putUnicodeChar(0x01,0x65,'t');
break;
case 'Z':
putUnicodeChar(0x01,0x7D,'Z');
break;
case 'z':
putUnicodeChar(0x01,0x7E,'z');
break;
case 'A':
putUnicodeChar(0x01,0xCD,'A');
break;
case 'a':
putUnicodeChar(0x01,0xCE,'a');
break;
case 'I':
putUnicodeChar(0x01,0xCF,'I');
break;
case 'i':
putUnicodeChar(0x01,0xD0,'i');
break;
case 'O':
putUnicodeChar(0x01,0xD1,'O');
break;
case 'o':
putUnicodeChar(0x01,0xD2,'o');
break;
case 'U':
putUnicodeChar(0x01,0xD3,'U');
break;
case 'u':
putUnicodeChar(0x01,0xD4,'u');
break;
case 'G':
putUnicodeChar(0x01,0xE6,'G');
break;
case 'g':
putUnicodeChar(0x01,0xE7,'g');
break;
case 'K':
putUnicodeChar(0x01,0xE8,'K');
break;
case 'k':
putUnicodeChar(0x01,0xE9,'k');
break;
case 'j':
putUnicodeChar(0x01,0xF0,'j');
break;
case 'H':
putUnicodeChar(0x02,0x1E,'H');
break;
case 'h':
putUnicodeChar(0x02,0x1F,'h');
break;
case '\0':
putUnicodeChar(0x02,0xC7,'-');
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u780-}"); /* unicode combining character 0x030C */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts \.{o} and \dot{o} from LaTeX to RTF
need something that looks like \\O(a,\\S(\f2\'26)) in RTF file
******************************************************************************/
void CmdDotChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
switch (cParam[0]) {
case 'A':
fprintRTF("\\u550A");
break;
case 'a':
fprintRTF("\\u551a");
break;
case 'C':
fprintRTF("\\u266C");
break;
case 'c':
fprintRTF("\\u267c");
break;
case 'E':
fprintRTF("\\u278E");
break;
case 'e':
fprintRTF("\\u279e");
break;
case 'G':
fprintRTF("\\u288G");
break;
case 'g':
fprintRTF("\\u289g");
break;
case 'I':
fprintRTF("\\u304I");
break;
case 'O':
fprintRTF("\\u558O");
break;
case 'o':
fprintRTF("\\u559o");
break;
case 'Z':
fprintRTF("\\u379Z");
break;
case 'z':
fprintRTF("\\u380z");
break;
case '\0':
putUnicodeChar(0x02,0xD9,'.');
break;
default:
fprintRTF("{\\f%d",n);
fprintRTF("\\u775.}"); /* unicode combining character 0x0307 */
ConvertString(cParam);
break;
}
free(cParam);
}
/******************************************************************************
purpose: converts chars with dots underneath \d{o}
******************************************************************************/
void CmdUnderdotChar(int code)
{
int n = RtfFontNumber("STIXGeneral");
char *cParam = getBraceParam();
if (strstr(cParam, "\\i")) {
fprintRTF("\\u301i");
free(cParam);
}
switch (cParam[0]) {
case 'B':
putUnicodeChar(0x1E,0x04,'B');
break;
case 'b':
putUnicodeChar(0x1E,0x05,'b');
break;
case 'D':
putUnicodeChar(0x1E,0x0C,'D');