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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
347 lines
8.9 KiB
C++
347 lines
8.9 KiB
C++
//========================================================================
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//
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// pdftotext.cc
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//
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// Copyright 1997-2003 Glyph & Cog, LLC
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//
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// Modified for Debian by Hamish Moffatt, 22 May 2002.
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//
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//========================================================================
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#include "config.h"
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#include <poppler-config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include "parseargs.h"
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#include "goo/GooString.h"
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#include "goo/gmem.h"
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#include "GlobalParams.h"
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#include "Object.h"
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#include "Stream.h"
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#include "Array.h"
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#include "Dict.h"
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#include "XRef.h"
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#include "Catalog.h"
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#include "Page.h"
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#include "PDFDoc.h"
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#include "TextOutputDev.h"
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#include "CharTypes.h"
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#include "UnicodeMap.h"
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#include "Error.h"
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#include "UGooString.h"
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static void printInfoString(FILE *f, Dict *infoDict, char *key,
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char *text1, char *text2, UnicodeMap *uMap);
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static void printInfoDate(FILE *f, Dict *infoDict, char *key, char *fmt);
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static int firstPage = 1;
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static int lastPage = 0;
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static GBool physLayout = gFalse;
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static GBool rawOrder = gFalse;
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static GBool htmlMeta = gFalse;
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static char textEncName[128] = "";
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static char textEOL[16] = "";
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static GBool noPageBreaks = gFalse;
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static char ownerPassword[33] = "\001";
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static char userPassword[33] = "\001";
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static GBool quiet = gFalse;
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static char cfgFileName[256] = "";
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static GBool printVersion = gFalse;
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static GBool printHelp = gFalse;
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static ArgDesc argDesc[] = {
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{"-f", argInt, &firstPage, 0,
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"first page to convert"},
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{"-l", argInt, &lastPage, 0,
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"last page to convert"},
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{"-layout", argFlag, &physLayout, 0,
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"maintain original physical layout"},
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{"-raw", argFlag, &rawOrder, 0,
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"keep strings in content stream order"},
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{"-htmlmeta", argFlag, &htmlMeta, 0,
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"generate a simple HTML file, including the meta information"},
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{"-enc", argString, textEncName, sizeof(textEncName),
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"output text encoding name"},
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{"-eol", argString, textEOL, sizeof(textEOL),
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"output end-of-line convention (unix, dos, or mac)"},
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{"-nopgbrk", argFlag, &noPageBreaks, 0,
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"don't insert page breaks between pages"},
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{"-opw", argString, ownerPassword, sizeof(ownerPassword),
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"owner password (for encrypted files)"},
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{"-upw", argString, userPassword, sizeof(userPassword),
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"user password (for encrypted files)"},
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{"-q", argFlag, &quiet, 0,
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"don't print any messages or errors"},
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{"-cfg", argString, cfgFileName, sizeof(cfgFileName),
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"configuration file to use in place of .xpdfrc"},
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{"-v", argFlag, &printVersion, 0,
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"print copyright and version info"},
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{"-h", argFlag, &printHelp, 0,
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"print usage information"},
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{"-help", argFlag, &printHelp, 0,
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"print usage information"},
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{"--help", argFlag, &printHelp, 0,
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"print usage information"},
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{"-?", argFlag, &printHelp, 0,
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"print usage information"},
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{NULL}
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};
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int main(int argc, char *argv[]) {
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PDFDoc *doc;
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GooString *fileName;
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GooString *textFileName;
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GooString *ownerPW, *userPW;
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TextOutputDev *textOut;
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FILE *f;
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UnicodeMap *uMap;
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Object info;
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GBool ok;
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char *p;
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int exitCode;
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exitCode = 99;
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// parse args
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ok = parseArgs(argDesc, &argc, argv);
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if (!ok || argc < 2 || argc > 3 || printVersion || printHelp) {
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fprintf(stderr, "pdftotext version %s\n", xpdfVersion);
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fprintf(stderr, "%s\n", xpdfCopyright);
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if (!printVersion) {
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printUsage("pdftotext", "<PDF-file> [<text-file>]", argDesc);
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}
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goto err0;
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}
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fileName = new GooString(argv[1]);
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// read config file
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globalParams = new GlobalParams(cfgFileName);
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if (textEncName[0]) {
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globalParams->setTextEncoding(textEncName);
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}
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if (textEOL[0]) {
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if (!globalParams->setTextEOL(textEOL)) {
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fprintf(stderr, "Bad '-eol' value on command line\n");
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}
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}
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if (noPageBreaks) {
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globalParams->setTextPageBreaks(gFalse);
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}
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if (quiet) {
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globalParams->setErrQuiet(quiet);
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}
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// get mapping to output encoding
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if (!(uMap = globalParams->getTextEncoding())) {
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error(-1, "Couldn't get text encoding");
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delete fileName;
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goto err1;
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}
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// open PDF file
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if (ownerPassword[0] != '\001') {
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ownerPW = new GooString(ownerPassword);
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} else {
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ownerPW = NULL;
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}
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if (userPassword[0] != '\001') {
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userPW = new GooString(userPassword);
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} else {
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userPW = NULL;
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}
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if(fileName->cmp("-") != 0) {
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doc = new PDFDoc(fileName, ownerPW, userPW);
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} else {
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Object obj;
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obj.initNull();
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doc = new PDFDoc(new FileStream(stdin, 0, gFalse, 0, &obj), ownerPW, userPW);
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}
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if (userPW) {
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delete userPW;
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}
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if (ownerPW) {
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delete ownerPW;
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}
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if (!doc->isOk()) {
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exitCode = 1;
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goto err2;
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}
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#ifdef ENFORCE_PERMISSIONS
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// check for copy permission
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if (!doc->okToCopy()) {
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error(-1, "Copying of text from this document is not allowed.");
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exitCode = 3;
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goto err2;
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}
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#endif
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// construct text file name
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if (argc == 3) {
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textFileName = new GooString(argv[2]);
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} else {
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p = fileName->getCString() + fileName->getLength() - 4;
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if (!strcmp(p, ".pdf") || !strcmp(p, ".PDF")) {
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textFileName = new GooString(fileName->getCString(),
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fileName->getLength() - 4);
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} else {
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textFileName = fileName->copy();
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}
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textFileName->append(htmlMeta ? ".html" : ".txt");
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}
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// get page range
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if (firstPage < 1) {
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firstPage = 1;
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}
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if (lastPage < 1 || lastPage > doc->getNumPages()) {
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lastPage = doc->getNumPages();
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}
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// write HTML header
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if (htmlMeta) {
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if (!textFileName->cmp("-")) {
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f = stdout;
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} else {
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if (!(f = fopen(textFileName->getCString(), "wb"))) {
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error(-1, "Couldn't open text file '%s'", textFileName->getCString());
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exitCode = 2;
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goto err3;
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}
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}
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fputs("<html>\n", f);
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fputs("<head>\n", f);
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doc->getDocInfo(&info);
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if (info.isDict()) {
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printInfoString(f, info.getDict(), "Title", "<title>", "</title>\n",
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uMap);
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printInfoString(f, info.getDict(), "Subject",
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"<meta name=\"Subject\" content=\"", "\">\n", uMap);
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printInfoString(f, info.getDict(), "Keywords",
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"<meta name=\"Keywords\" content=\"", "\">\n", uMap);
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printInfoString(f, info.getDict(), "Author",
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"<meta name=\"Author\" content=\"", "\">\n", uMap);
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printInfoString(f, info.getDict(), "Creator",
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"<meta name=\"Creator\" content=\"", "\">\n", uMap);
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printInfoString(f, info.getDict(), "Producer",
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"<meta name=\"Producer\" content=\"", "\">\n", uMap);
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printInfoDate(f, info.getDict(), "CreationDate",
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"<meta name=\"CreationDate\" content=\"\">\n");
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printInfoDate(f, info.getDict(), "LastModifiedDate",
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"<meta name=\"ModDate\" content=\"\">\n");
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}
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info.free();
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fputs("</head>\n", f);
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fputs("<body>\n", f);
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fputs("<pre>\n", f);
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if (f != stdout) {
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fclose(f);
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}
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}
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// write text file
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textOut = new TextOutputDev(textFileName->getCString(),
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physLayout, rawOrder, htmlMeta);
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if (textOut->isOk()) {
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doc->displayPages(textOut, firstPage, lastPage, 72, 72, 0,
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gTrue, gFalse, gFalse);
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} else {
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delete textOut;
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exitCode = 2;
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goto err3;
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}
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delete textOut;
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// write end of HTML file
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if (htmlMeta) {
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if (!textFileName->cmp("-")) {
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f = stdout;
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} else {
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if (!(f = fopen(textFileName->getCString(), "ab"))) {
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error(-1, "Couldn't open text file '%s'", textFileName->getCString());
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exitCode = 2;
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goto err3;
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}
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}
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fputs("</pre>\n", f);
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fputs("</body>\n", f);
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fputs("</html>\n", f);
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if (f != stdout) {
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fclose(f);
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}
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}
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exitCode = 0;
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// clean up
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err3:
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delete textFileName;
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err2:
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delete doc;
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uMap->decRefCnt();
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err1:
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delete globalParams;
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err0:
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// check for memory leaks
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Object::memCheck(stderr);
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gMemReport(stderr);
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return exitCode;
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}
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static void printInfoString(FILE *f, Dict *infoDict, char *key,
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char *text1, char *text2, UnicodeMap *uMap) {
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Object obj;
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GooString *s1;
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GBool isUnicode;
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Unicode u;
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char buf[8];
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int i, n;
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if (infoDict->lookup(key, &obj)->isString()) {
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fputs(text1, f);
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s1 = obj.getString();
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if ((s1->getChar(0) & 0xff) == 0xfe &&
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(s1->getChar(1) & 0xff) == 0xff) {
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isUnicode = gTrue;
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i = 2;
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} else {
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isUnicode = gFalse;
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i = 0;
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}
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while (i < obj.getString()->getLength()) {
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if (isUnicode) {
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u = ((s1->getChar(i) & 0xff) << 8) |
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(s1->getChar(i+1) & 0xff);
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i += 2;
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} else {
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u = s1->getChar(i) & 0xff;
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++i;
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}
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n = uMap->mapUnicode(u, buf, sizeof(buf));
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fwrite(buf, 1, n, f);
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}
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fputs(text2, f);
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}
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obj.free();
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}
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static void printInfoDate(FILE *f, Dict *infoDict, char *key, char *fmt) {
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Object obj;
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char *s;
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if (infoDict->lookup(key, &obj)->isString()) {
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s = obj.getString()->getCString();
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if (s[0] == 'D' && s[1] == ':') {
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s += 2;
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}
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fprintf(f, fmt, s);
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}
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obj.free();
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}
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