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/*
Copyright (c) 1996-2002 Han The Thanh, <thanh@pdftex.org>
This file is part of pdfTeX.
pdfTeX 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.
pdfTeX 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 pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
$Id: //depot/Build/source.development/TeX/texk/web2c/pdftexdir/pdftosrc.cc#10 $
*/
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <aconf.h>
#include <GString.h>
#include <gmem.h>
#include <gfile.h>
#include "Object.h"
#include "Stream.h"
#include "Array.h"
#include "Dict.h"
#include "XRef.h"
#include "Catalog.h"
#include "Page.h"
#include "GfxFont.h"
#include "PDFDoc.h"
#include "GlobalParams.h"
#include "Error.h"
static XRef *xref = 0;
int main(int argc, char *argv[])
{
char *p, buf[1024];
PDFDoc *doc;
GString *fileName;
Stream *s;
Object srcStream, srcName, catalogDict;
FILE *outfile;
char *outname;
int objnum = 0, objgen = 0;
int c;
fprintf(stderr, "pdftosrc version %s\n", xpdfVersion);
if (argc < 2) {
fprintf(stderr, "Usage: pdftosrc <PDF-file> [<stream-object-number>]\n");
exit(1);
}
fileName = new GString(argv[1]);
globalParams = new GlobalParams();
doc = new PDFDoc(fileName);
if (!doc->isOk()) {
fprintf(stderr, "Invalid PDF file\n");
exit(1);
}
if (argc >= 3) {
objnum = atoi(argv[2]);
if (argc >= 4)
objgen = atoi(argv[3]);
}
xref = doc->getXRef();
catalogDict.initNull();
xref->getCatalog(&catalogDict);
if (!catalogDict.isDict("Catalog")) {
fprintf(stderr, "No Catalog found\n");
exit(1);
}
srcStream.initNull();
if (objnum == 0) {
catalogDict.dictLookup("SourceObject", &srcStream);
if (!srcStream.isStream("SourceFile")) {
fprintf(stderr, "No SourceObject found\n");
exit(1);
}
srcName.initNull();
srcStream.getStream()->getDict()->lookup("SourceName", &srcName);
if (!srcName.isString()) {
fprintf(stderr, "No SourceName found\n");
exit(1);
}
outname = srcName.getString()->getCString();
// We cannot free srcName, as objname shares its string.
// srcName.free();
}
else {
xref->fetch(objnum, objgen, &srcStream);
if (!srcStream.isStream()) {
fprintf(stderr, "Not a Stream object\n");
exit(1);
}
sprintf(buf, "%s", fileName->getCString());
if ((p = strrchr(buf, '.')) == 0)
p = strchr(buf, 0);
if (objgen == 0)
sprintf(p, ".%i", objnum);
else
sprintf(p, ".%i+%i", objnum, objgen);
outname = buf;
}
if (!(outfile = fopen(outname, "wb"))) {
fprintf(stderr, "Cannot open file \"%s\" for writing\n", outname);
exit(1);
}
s = srcStream.getStream();
s->reset();
while ((c = s->getChar()) != EOF)
fputc(c, outfile);
if (objnum == 0)
fprintf(stderr, "Source file extracted to %s\n", outname);
else
fprintf(stderr, "Stream object extracted to %s\n", outname);
fclose(outfile);
catalogDict.free();
srcStream.free();
delete doc;
delete globalParams;
}
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