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