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letterformat.c

/* letterformat.c - LaTeX commands specific to the letter format

Copyright (C) 2001-2002 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/
 
Authors:
    2001-2002 Scott Prahl
*/

#include <stdlib.h>
#include <string.h>
#include "main.h"
#include "parser.h"
#include "letterformat.h"
#include "cfg.h"
#include "commands.h"
#include "funct1.h"
#include "convert.h"

static bool g_letterOpened = FALSE; /* true after \opening */

static char *g_letterToAddress = NULL;
static char *g_letterReturnAddress = NULL;
static char *g_letterSignature = NULL;

void CmdSignature(int code)

/******************************************************************************
 purpose: saves the signature in the letter document style
          Use in the preamble or between \begin{letter} and \opening
 ******************************************************************************/
{
    if (g_letterSignature)
        free(g_letterSignature);
    g_letterSignature = getBraceParam();
}

void CmdAddress(int code)

/******************************************************************************
 purpose: saves the address in the letter document style
          Use in the preamble or between \begin{letter} and \opening
 ******************************************************************************/
{
    if (g_letterReturnAddress)
        free(g_letterReturnAddress);
    g_letterReturnAddress = getBraceParam();
}

void CmdLetter(int code)

/******************************************************************************
  purpose: pushes all necessary letter-commands on a stack
parameter: code: on/off-option for environment
 ******************************************************************************/
{
    if (code & ON) {
        PushEnvironment(LETTER);
        if (g_letterToAddress)
            free(g_letterToAddress);
        g_letterToAddress = getBraceParam();
    } else {
        PopEnvironment();
    }
}

void CmdOpening(int code)

/******************************************************************************
 purpose: /opening{Dear...} prints return address, Date, to address and opening
 ******************************************************************************/
{
    char oldalignment;
    char *s;

/* put return address and date at the top right */
    g_letterOpened = TRUE;
    oldalignment = alignment;
    alignment = RIGHT;
    fprintRTF("\n\\par\\pard\\q%c ", alignment);
    diagnostics(5, "Entering ConvertString() from CmdAddress");
    ConvertString(g_letterReturnAddress);
    diagnostics(5, "Exiting ConvertString() from CmdAddress");

/* put the date on the right */
    fprintRTF("\\par\\chdate ");

/* put addressee on the left */
    alignment = LEFT;
    fprintRTF("\n\\par\\pard\\q%c ", alignment);
    diagnostics(4, "Entering Convert() from CmdOpening");
    ConvertString(g_letterToAddress);
    diagnostics(4, "Exiting Convert() from CmdOpening");

/*  finally print the opening*/
    s = getBraceParam();
    ConvertString(s);
    free(s);

    alignment = oldalignment;
    fprintRTF("\n\\par\\pard\\q%c ", alignment);
}

void CmdClosing( /* @unused@ */ int code)

/******************************************************************************
 purpose: special command in the LaTex-letter-environment will be converted to a
        similar Rtf-style
 globals: alignment
 ******************************************************************************/
{
    char oldalignment;
    char *s;

    oldalignment = alignment;

/* print closing on the right */
    alignment = RIGHT;
    fprintRTF("\n\\par\\pard\\q%c ", alignment);
    diagnostics(5, "Entering ConvertString() from CmdClosing");
    s = getBraceParam();
    ConvertString(s);
    free(s);
    diagnostics(5, "Exiting ConvertString() from CmdClosing");

/* print signature a couple of lines down */
    fprintRTF("\n\\par\\par\\par ");

    diagnostics(5, "Entering ConvertString() from CmdSignature");
    ConvertString(g_letterSignature);
    diagnostics(5, "Exiting ConvertString() from CmdSignature");

    g_letterOpened = FALSE;
    alignment = oldalignment;
    fprintRTF("\n\\par\\pard\\q%c ", alignment);
}

void CmdPs(int code)

/******************************************************************************
 purpose: translate encl and cc into appropriate language
 ******************************************************************************/
{
    char *s = getBraceParam();

    if (code == LETTER_ENCL)
        ConvertBabelName("ENCLNAME");
    else if (code == LETTER_CC)
        ConvertBabelName("CCNAME");

    ConvertString(s);
    free(s);
}

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