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Current File : //usr/share/emscripten/tests/poppler/utils/pdfinfo.cc
//========================================================================
//
// pdfinfo.cc
//
// Copyright 1998-2003 Glyph & Cog, LLC
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2006 Dom Lachowicz <cinamod@hotmail.com>
// Copyright (C) 2007-2010 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include "config.h"
#include <poppler-config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <time.h>
#include <math.h>
#include "parseargs.h"
#include "printencodings.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 "PDFDocFactory.h"
#include "CharTypes.h"
#include "UnicodeMap.h"
#include "PDFDocEncoding.h"
#include "Error.h"
#include "DateInfo.h"
static void printInfoString(Dict *infoDict, char *key, char *text,
UnicodeMap *uMap);
static void printInfoDate(Dict *infoDict, char *key, char *text);
static void printBox(char *text, PDFRectangle *box);
static int firstPage = 1;
static int lastPage = 0;
static GBool printBoxes = gFalse;
static GBool printMetadata = gFalse;
static char textEncName[128] = "";
static char ownerPassword[33] = "\001";
static char userPassword[33] = "\001";
static GBool printVersion = gFalse;
static GBool printHelp = gFalse;
static GBool printEnc = gFalse;
static const ArgDesc argDesc[] = {
{"-f", argInt, &firstPage, 0,
"first page to convert"},
{"-l", argInt, &lastPage, 0,
"last page to convert"},
{"-box", argFlag, &printBoxes, 0,
"print the page bounding boxes"},
{"-meta", argFlag, &printMetadata, 0,
"print the document metadata (XML)"},
{"-enc", argString, textEncName, sizeof(textEncName),
"output text encoding name"},
{"-listenc",argFlag, &printEnc, 0,
"list available encodings"},
{"-opw", argString, ownerPassword, sizeof(ownerPassword),
"owner password (for encrypted files)"},
{"-upw", argString, userPassword, sizeof(userPassword),
"user password (for encrypted files)"},
{"-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 *ownerPW, *userPW;
UnicodeMap *uMap;
Page *page;
Object info;
char buf[256];
double w, h, wISO, hISO;
FILE *f;
GooString *metadata;
GBool ok;
int exitCode;
int pg, i;
GBool multiPage;
exitCode = 99;
// parse args
ok = parseArgs(argDesc, &argc, argv);
if (!ok || (argc != 2 && !printEnc) || printVersion || printHelp) {
fprintf(stderr, "pdfinfo version %s\n", PACKAGE_VERSION);
fprintf(stderr, "%s\n", popplerCopyright);
fprintf(stderr, "%s\n", xpdfCopyright);
if (!printVersion) {
printUsage("pdfinfo", "<PDF-file>", argDesc);
}
if (printVersion || printHelp)
exitCode = 0;
goto err0;
}
// read config file
globalParams = new GlobalParams();
if (printEnc) {
printEncodings();
delete globalParams;
exitCode = 0;
goto err0;
}
fileName = new GooString(argv[1]);
if (textEncName[0]) {
globalParams->setTextEncoding(textEncName);
}
// 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) {
delete fileName;
fileName = new GooString("fd://0");
}
doc = PDFDocFactory().createPDFDoc(*fileName, ownerPW, userPW);
if (userPW) {
delete userPW;
}
if (ownerPW) {
delete ownerPW;
}
if (!doc->isOk()) {
exitCode = 1;
goto err2;
}
// get page range
if (firstPage < 1) {
firstPage = 1;
}
if (lastPage == 0) {
multiPage = gFalse;
lastPage = 1;
} else {
multiPage = gTrue;
}
if (lastPage < 1 || lastPage > doc->getNumPages()) {
lastPage = doc->getNumPages();
}
// print doc info
doc->getDocInfo(&info);
if (info.isDict()) {
printInfoString(info.getDict(), "Title", "Title: ", uMap);
printInfoString(info.getDict(), "Subject", "Subject: ", uMap);
printInfoString(info.getDict(), "Keywords", "Keywords: ", uMap);
printInfoString(info.getDict(), "Author", "Author: ", uMap);
printInfoString(info.getDict(), "Creator", "Creator: ", uMap);
printInfoString(info.getDict(), "Producer", "Producer: ", uMap);
printInfoDate(info.getDict(), "CreationDate", "CreationDate: ");
printInfoDate(info.getDict(), "ModDate", "ModDate: ");
}
info.free();
// print tagging info
printf("Tagged: %s\n",
doc->getStructTreeRoot()->isDict() ? "yes" : "no");
// print page count
printf("Pages: %d\n", doc->getNumPages());
// print encryption info
printf("Encrypted: ");
if (doc->isEncrypted()) {
printf("yes (print:%s copy:%s change:%s addNotes:%s)\n",
doc->okToPrint(gTrue) ? "yes" : "no",
doc->okToCopy(gTrue) ? "yes" : "no",
doc->okToChange(gTrue) ? "yes" : "no",
doc->okToAddNotes(gTrue) ? "yes" : "no");
} else {
printf("no\n");
}
// print page size
for (pg = firstPage; pg <= lastPage; ++pg) {
w = doc->getPageCropWidth(pg);
h = doc->getPageCropHeight(pg);
if (multiPage) {
printf("Page %4d size: %g x %g pts", pg, w, h);
} else {
printf("Page size: %g x %g pts", w, h);
}
if ((fabs(w - 612) < 0.1 && fabs(h - 792) < 0.1) ||
(fabs(w - 792) < 0.1 && fabs(h - 612) < 0.1)) {
printf(" (letter)");
} else {
hISO = sqrt(sqrt(2.0)) * 7200 / 2.54;
wISO = hISO / sqrt(2.0);
for (i = 0; i <= 6; ++i) {
if ((fabs(w - wISO) < 1 && fabs(h - hISO) < 1) ||
(fabs(w - hISO) < 1 && fabs(h - wISO) < 1)) {
printf(" (A%d)", i);
break;
}
hISO = wISO;
wISO /= sqrt(2.0);
}
}
printf("\n");
}
// print the boxes
if (printBoxes) {
if (multiPage) {
for (pg = firstPage; pg <= lastPage; ++pg) {
page = doc->getPage(pg);
if (!page) {
error(-1, "Failed to print boxes for page %d", pg);
continue;
}
sprintf(buf, "Page %4d MediaBox: ", pg);
printBox(buf, page->getMediaBox());
sprintf(buf, "Page %4d CropBox: ", pg);
printBox(buf, page->getCropBox());
sprintf(buf, "Page %4d BleedBox: ", pg);
printBox(buf, page->getBleedBox());
sprintf(buf, "Page %4d TrimBox: ", pg);
printBox(buf, page->getTrimBox());
sprintf(buf, "Page %4d ArtBox: ", pg);
printBox(buf, page->getArtBox());
}
} else {
page = doc->getPage(firstPage);
if (!page) {
error(-1, "Failed to print boxes for page %d", firstPage);
} else {
printBox("MediaBox: ", page->getMediaBox());
printBox("CropBox: ", page->getCropBox());
printBox("BleedBox: ", page->getBleedBox());
printBox("TrimBox: ", page->getTrimBox());
printBox("ArtBox: ", page->getArtBox());
}
}
}
// print file size
#ifdef VMS
f = fopen(fileName->getCString(), "rb", "ctx=stm");
#else
f = fopen(fileName->getCString(), "rb");
#endif
if (f) {
#if HAVE_FSEEKO
fseeko(f, 0, SEEK_END);
printf("File size: %u bytes\n", (Guint)ftello(f));
#elif HAVE_FSEEK64
fseek64(f, 0, SEEK_END);
printf("File size: %u bytes\n", (Guint)ftell64(f));
#else
fseek(f, 0, SEEK_END);
printf("File size: %d bytes\n", (int)ftell(f));
#endif
fclose(f);
}
// print linearization info
printf("Optimized: %s\n", doc->isLinearized() ? "yes" : "no");
// print PDF version
printf("PDF version: %d.%d\n", doc->getPDFMajorVersion(), doc->getPDFMinorVersion());
// print the metadata
if (printMetadata && (metadata = doc->readMetadata())) {
fputs("Metadata:\n", stdout);
fputs(metadata->getCString(), stdout);
fputc('\n', stdout);
delete metadata;
}
exitCode = 0;
// clean up
err2:
uMap->decRefCnt();
delete doc;
delete fileName;
err1:
delete globalParams;
err0:
// check for memory leaks
Object::memCheck(stderr);
gMemReport(stderr);
return exitCode;
}
static void printInfoString(Dict *infoDict, char *key, char *text,
UnicodeMap *uMap) {
Object obj;
GooString *s1;
GBool isUnicode;
Unicode u;
char buf[8];
int i, n;
if (infoDict->lookup(key, &obj)->isString()) {
fputs(text, stdout);
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 = pdfDocEncoding[s1->getChar(i) & 0xff];
++i;
}
n = uMap->mapUnicode(u, buf, sizeof(buf));
fwrite(buf, 1, n, stdout);
}
fputc('\n', stdout);
}
obj.free();
}
static void printInfoDate(Dict *infoDict, char *key, char *text) {
Object obj;
char *s;
int year, mon, day, hour, min, sec, tz_hour, tz_minute;
char tz;
struct tm tmStruct;
char buf[256];
if (infoDict->lookup(key, &obj)->isString()) {
fputs(text, stdout);
s = obj.getString()->getCString();
// TODO do something with the timezone info
if ( parseDateString( s, &year, &mon, &day, &hour, &min, &sec, &tz, &tz_hour, &tz_minute ) ) {
tmStruct.tm_year = year - 1900;
tmStruct.tm_mon = mon - 1;
tmStruct.tm_mday = day;
tmStruct.tm_hour = hour;
tmStruct.tm_min = min;
tmStruct.tm_sec = sec;
tmStruct.tm_wday = -1;
tmStruct.tm_yday = -1;
tmStruct.tm_isdst = -1;
// compute the tm_wday and tm_yday fields
if (mktime(&tmStruct) != (time_t)-1 &&
strftime(buf, sizeof(buf), "%c", &tmStruct)) {
fputs(buf, stdout);
} else {
fputs(s, stdout);
}
} else {
fputs(s, stdout);
}
fputc('\n', stdout);
}
obj.free();
}
static void printBox(char *text, PDFRectangle *box) {
printf("%s%8.2f %8.2f %8.2f %8.2f\n",
text, box->x1, box->y1, box->x2, box->y2);
}
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