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ignore.c
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ignore.c
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/* ignore.c - ignore commands found in ignore.cfg
Copyright (C) 1995-2002 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:
1995-1997 Ralf Schlatterbeck
1998-2000 Georg Lehner
2001-2002 Scott Prahl
*/
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include "main.h"
#include "direct.h"
#include "fonts.h"
#include "cfg.h"
#include "ignore.h"
#include "funct1.h"
#include "commands.h"
#include "parser.h"
#include "convert.h"
#include "utils.h"
#include "vertical.h"
/****************************************************************************
purpose : ignores anything till an alphanumeric character
****************************************************************************/
static void IgnoreCmd(void)
{
char c;
do { c = getTexChar(); } while (c && c != '\\');
do { c = getTexChar(); } while (c && isalpha((int) c));
ungetTexChar(c);
}
/****************************************************************************
purpose : ignores a number
\tolerance = 10000
\tolerance 10000
\tolerance10000
****************************************************************************/
static void IgnoreNumber(void)
{
char c;
c = getNonSpace();
if (c == '=')
c = getNonSpace();
while (c=='-' || c=='+' || c== '.' || isdigit(c))
c = getTexChar();
ungetTexChar(c);
}
/****************************************************************************
purpose : ignores a dimension
****************************************************************************/
static void IgnoreMeasure(void)
{
char c = getNonSpace();
if (c == '=')
c = getNonSpace();
ungetTexChar(c);
getDimension();
}
/****************************************************************************
purpose : ignores variable-formats shown in file "ignore.cfg"
returns : TRUE if variable was ignored correctly, otherwise FALSE
# SINGLE ignore single command. e.g., \noindent
# NUMBER simple numeric value e.g., \tolerance10000
# MEASURE numeric value with following unit of measure
# OTHER ignores anything to the first character after '='
# and from there to next space. eg. \setbox\bak=\hbox
# COMMAND ignores anything to next '\' and from there to occurence
# of anything but a letter. eg. \newbox\bak
# PARAMETER ignores a command with one paramter
# PACKAGE does not produce a Warning message if PACKAGE is encountered
# ENVCMD proceses contents of unknown environment as if it were plain latex
# ENVIRONMENT ignores contents of that environment
****************************************************************************/
int TryVariableIgnore(const char *command)
{
const char *RtfCommand;
char *TexCommand, c;
TexCommand = strdup_together("\\", command);
RtfCommand = SearchCfgRtf(TexCommand, IGNORE_A);
free(TexCommand);
diagnostics(4, "Ignoring '%s' as '%s'", command, RtfCommand);
if (RtfCommand == NULL) return FALSE;
if (strcmp(RtfCommand, "SINGLE") == 0) {
/* don't need to do anything */
} else if (strcmp(RtfCommand, "NUMBER") == 0) {
IgnoreNumber();
} else if (strcmp(RtfCommand, "MEASURE") == 0) {
IgnoreMeasure();
} else if (strcmp(RtfCommand, "OTHER") == 0) {
c = getNonSpace();
if (c == '=')
c = getNonSpace();
while (c && !isspace(c))
c = getTexChar();
if (c) {
c = getNonSpace();
ungetTexChar(c);
}
} else if (strcmp(RtfCommand, "COMMAND") == 0) {
IgnoreCmd();
} else if (strcmp(RtfCommand, "PARAMETER") == 0) {
CmdIgnoreParameter(No_Opt_One_NormParam);
} else if (strcmp(RtfCommand, "TWOPARAMETER") == 0) {
CmdIgnoreParameter(No_Opt_Two_NormParam);
} else if (strcmp(RtfCommand, "ENVIRONMENT") == 0) {
char *str = strdup_together3("end{", command, "}");
Ignore_Environment(str);
free(str);
} else if (strcmp(RtfCommand, "ENVCMD") == 0) {
PushEnvironment(IGNORE_MODE);
}
return TRUE;
}
int TryPackageIgnore(const char *package) {
const char *RtfCommand;
char *TexCommand;
int result = FALSE;
diagnostics(4, "trying to ignore '%s'", package);
TexCommand = strdup_together("\\", package);
RtfCommand = SearchCfgRtf(TexCommand, IGNORE_A);
free(TexCommand);
if (NULL != RtfCommand)
result = (0 == strcmp(RtfCommand,"PACKAGE"));
return result;
}
/******************************************************************************
purpose: function, which ignores an unconvertable environment in LaTex
and writes text unchanged into the Rtf-file.
parameter: searchstring : includes the string to search for
example: \begin{unknown} ... \end{unknown}
searchstring="end{unknown}"
******************************************************************************/
void Ignore_Environment(char *cCommand)
{
char unknown_environment[100];
char *buffer;
int font;
diagnostics(4, "Entering IgnoreEnvironment <%s>", cCommand);
snprintf(unknown_environment, 100, "\\%s%s%s", "end{", cCommand, "}");
font = TexFontNumber("Typewriter");
CmdEndParagraph(0);
CmdIndent(INDENT_NONE);
startParagraph("Normal", PARAGRAPH_GENERIC);
fprintRTF("\\qc [Sorry. Ignored ");
fprintRTF("{\\plain\\f%d\\\\begin\\{%s\\} ... \\\\end\\{%s\\}}]", font, cCommand, cCommand);
CmdEndParagraph(0);
CmdIndent(INDENT_INHIBIT);
buffer = getTexUntil(unknown_environment, 0);
ConvertString(unknown_environment);
free(buffer);
diagnostics(4, "Exiting IgnoreEnvironment");
}