blob: 26669930ab5d94c28cd91cf52b2d5f3625a98bd8 [file] [log] [blame]
//========================================================================
//
// GlobalParams.cc
//
// Copyright 2001-2003 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) 2005 Martin Kretzschmar <martink@gnome.org>
// Copyright (C) 2005, 2006 Kristian Høgsberg <krh@redhat.com>
// Copyright (C) 2005, 2007-2010, 2012, 2015, 2017 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2005 Jonathan Blandford <jrb@redhat.com>
// Copyright (C) 2006, 2007 Jeff Muizelaar <jeff@infidigm.net>
// Copyright (C) 2006 Takashi Iwai <tiwai@suse.de>
// Copyright (C) 2006 Ed Catmur <ed@catmur.co.uk>
// Copyright (C) 2007 Krzysztof Kowalczyk <kkowalczyk@gmail.com>
// Copyright (C) 2007, 2009 Jonathan Kew <jonathan_kew@sil.org>
// Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com>
// Copyright (C) 2009, 2011, 2012, 2015 William Bader <williambader@hotmail.com>
// Copyright (C) 2009 Kovid Goyal <kovid@kovidgoyal.net>
// Copyright (C) 2010, 2012 Hib Eris <hib@hiberis.nl>
// Copyright (C) 2010 Patrick Spendrin <ps_ml@gmx.de>
// Copyright (C) 2010 Jakub Wilk <jwilk@jwilk.net>
// Copyright (C) 2011 Pino Toscano <pino@kde.org>
// Copyright (C) 2011 Koji Otani <sho@bbr.jp>
// Copyright (C) 2012 Yi Yang <ahyangyi@gmail.com>
// Copyright (C) 2012, 2017 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2012 Peter Breitenlohner <peb@mppmu.mpg.de>
// Copyright (C) 2013, 2014 Jason Crain <jason@aquaticape.us>
// Copyright (C) 2017 Christoph Cullmann <cullmann@kde.org>
//
// 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>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#ifdef ENABLE_PLUGINS
# ifndef _WIN32
# include <dlfcn.h>
# endif
#endif
#ifdef _WIN32
# include <shlobj.h>
# include <mbstring.h>
#endif
#include "goo/gmem.h"
#include "goo/GooString.h"
#include "goo/GooList.h"
#include "goo/GooHash.h"
#include "goo/gfile.h"
#include "Error.h"
#include "NameToCharCode.h"
#include "CharCodeToUnicode.h"
#include "UnicodeMap.h"
#include "CMap.h"
#include "BuiltinFontTables.h"
#include "FontEncodingTables.h"
#ifdef ENABLE_PLUGINS
# include "XpdfPluginAPI.h"
#endif
#include "GlobalParams.h"
#include "GfxFont.h"
#ifdef WITH_FONTCONFIGURATION_FONTCONFIG
#include <fontconfig/fontconfig.h>
#endif
#ifdef _WIN32
# define strcasecmp stricmp
#else
# include <strings.h>
#endif
#ifdef MULTITHREADED
# define lockGlobalParams gLockMutex(&mutex)
# define lockUnicodeMapCache gLockMutex(&unicodeMapCacheMutex)
# define lockCMapCache gLockMutex(&cMapCacheMutex)
# define unlockGlobalParams gUnlockMutex(&mutex)
# define unlockUnicodeMapCache gUnlockMutex(&unicodeMapCacheMutex)
# define unlockCMapCache gUnlockMutex(&cMapCacheMutex)
#else
# define lockGlobalParams
# define lockUnicodeMapCache
# define lockCMapCache
# define unlockGlobalParams
# define unlockUnicodeMapCache
# define unlockCMapCache
#endif
#ifndef FC_WEIGHT_BOOK
#define FC_WEIGHT_BOOK 75
#endif
#include "NameToUnicodeTable.h"
#include "UnicodeMapTables.h"
#include "UTF8.h"
#ifdef ENABLE_PLUGINS
# ifdef _WIN32
extern XpdfPluginVecTable xpdfPluginVecTable;
# endif
#endif
//------------------------------------------------------------------------
#define cidToUnicodeCacheSize 4
#define unicodeToUnicodeCacheSize 4
//------------------------------------------------------------------------
GlobalParams *globalParams = NULL;
#if defined(ENABLE_RELOCATABLE) && defined(_WIN32)
/* search for data relative to where we are installed */
static HMODULE hmodule;
extern "C" {
/* Provide declaration to squelch -Wmissing-declarations warning */
BOOL WINAPI
DllMain (HINSTANCE hinstDLL,
DWORD fdwReason,
LPVOID lpvReserved);
BOOL WINAPI
DllMain (HINSTANCE hinstDLL,
DWORD fdwReason,
LPVOID lpvReserved)
{
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
hmodule = hinstDLL;
break;
}
return TRUE;
}
}
static const char *
get_poppler_datadir (void)
{
static char retval[MAX_PATH];
static int beenhere = 0;
unsigned char *p;
if (beenhere)
return retval;
if (!GetModuleFileNameA (hmodule, (CHAR *) retval, sizeof(retval) - 20))
return POPPLER_DATADIR;
p = _mbsrchr ((unsigned char *) retval, '\\');
*p = '\0';
p = _mbsrchr ((unsigned char *) retval, '\\');
if (p) {
if (stricmp ((const char *) (p+1), "bin") == 0)
*p = '\0';
}
strcat (retval, "\\share\\poppler");
beenhere = 1;
return retval;
}
#undef POPPLER_DATADIR
#define POPPLER_DATADIR get_poppler_datadir ()
#endif
//------------------------------------------------------------------------
// SysFontInfo
//------------------------------------------------------------------------
class SysFontInfo {
public:
GooString *name;
GBool bold;
GBool italic;
GBool oblique;
GBool fixedWidth;
GooString *path;
SysFontType type;
int fontNum; // for TrueType collections
GooString *substituteName;
SysFontInfo(GooString *nameA, GBool boldA, GBool italicA, GBool obliqueA, GBool fixedWidthA,
GooString *pathA, SysFontType typeA, int fontNumA, GooString *substituteNameA);
~SysFontInfo();
GBool match(SysFontInfo *fi);
GBool match(GooString *nameA, GBool boldA, GBool italicA, GBool obliqueA, GBool fixedWidthA);
GBool match(GooString *nameA, GBool boldA, GBool italicA);
};
SysFontInfo::SysFontInfo(GooString *nameA, GBool boldA, GBool italicA, GBool obliqueA, GBool fixedWidthA,
GooString *pathA, SysFontType typeA, int fontNumA, GooString *substituteNameA) {
name = nameA;
bold = boldA;
italic = italicA;
oblique = obliqueA;
fixedWidth = fixedWidthA;
path = pathA;
type = typeA;
fontNum = fontNumA;
substituteName = substituteNameA;
}
SysFontInfo::~SysFontInfo() {
delete name;
delete path;
delete substituteName;
}
GBool SysFontInfo::match(SysFontInfo *fi) {
return !strcasecmp(name->getCString(), fi->name->getCString()) &&
bold == fi->bold && italic == fi->italic && oblique == fi->oblique && fixedWidth == fi->fixedWidth;
}
GBool SysFontInfo::match(GooString *nameA, GBool boldA, GBool italicA, GBool obliqueA, GBool fixedWidthA) {
return !strcasecmp(name->getCString(), nameA->getCString()) &&
bold == boldA && italic == italicA && oblique == obliqueA && fixedWidth == fixedWidthA;
}
GBool SysFontInfo::match(GooString *nameA, GBool boldA, GBool italicA) {
return !strcasecmp(name->getCString(), nameA->getCString()) &&
bold == boldA && italic == italicA;
}
//------------------------------------------------------------------------
// SysFontList
//------------------------------------------------------------------------
class SysFontList {
public:
SysFontList();
~SysFontList();
SysFontInfo *find(GooString *name, GBool isFixedWidth, GBool exact);
#ifdef _WIN32
void scanWindowsFonts(GooString *winFontDir);
#endif
#ifdef WITH_FONTCONFIGURATION_FONTCONFIG
void addFcFont(SysFontInfo *si) {fonts->append(si);}
#endif
private:
#ifdef _WIN32
SysFontInfo *makeWindowsFont(char *name, int fontNum,
char *path);
#endif
GooList *fonts; // [SysFontInfo]
};
SysFontList::SysFontList() {
fonts = new GooList();
}
SysFontList::~SysFontList() {
deleteGooList(fonts, SysFontInfo);
}
SysFontInfo *SysFontList::find(GooString *name, GBool fixedWidth, GBool exact) {
GooString *name2;
GBool bold, italic, oblique;
SysFontInfo *fi;
char c;
int n, i;
name2 = name->copy();
// remove space, comma, dash chars
i = 0;
while (i < name2->getLength()) {
c = name2->getChar(i);
if (c == ' ' || c == ',' || c == '-') {
name2->del(i);
} else {
++i;
}
}
n = name2->getLength();
// remove trailing "MT" (Foo-MT, Foo-BoldMT, etc.)
if (n > 2 && !strcmp(name2->getCString() + n - 2, "MT")) {
name2->del(n - 2, 2);
n -= 2;
}
// look for "Regular"
if (n > 7 && !strcmp(name2->getCString() + n - 7, "Regular")) {
name2->del(n - 7, 7);
n -= 7;
}
// look for "Italic"
if (n > 6 && !strcmp(name2->getCString() + n - 6, "Italic")) {
name2->del(n - 6, 6);
italic = gTrue;
n -= 6;
} else {
italic = gFalse;
}
// look for "Oblique"
if (n > 6 && !strcmp(name2->getCString() + n - 7, "Oblique")) {
name2->del(n - 7, 7);
oblique = gTrue;
n -= 6;
} else {
oblique = gFalse;
}
// look for "Bold"
if (n > 4 && !strcmp(name2->getCString() + n - 4, "Bold")) {
name2->del(n - 4, 4);
bold = gTrue;
n -= 4;
} else {
bold = gFalse;
}
// remove trailing "MT" (FooMT-Bold, etc.)
if (n > 2 && !strcmp(name2->getCString() + n - 2, "MT")) {
name2->del(n - 2, 2);
n -= 2;
}
// remove trailing "PS"
if (n > 2 && !strcmp(name2->getCString() + n - 2, "PS")) {
name2->del(n - 2, 2);
n -= 2;
}
// remove trailing "IdentityH"
if (n > 9 && !strcmp(name2->getCString() + n - 9, "IdentityH")) {
name2->del(n - 9, 9);
n -= 9;
}
// search for the font
fi = NULL;
for (i = 0; i < fonts->getLength(); ++i) {
fi = (SysFontInfo *)fonts->get(i);
if (fi->match(name2, bold, italic, oblique, fixedWidth)) {
break;
}
fi = NULL;
}
if (!fi && !exact && bold) {
// try ignoring the bold flag
for (i = 0; i < fonts->getLength(); ++i) {
fi = (SysFontInfo *)fonts->get(i);
if (fi->match(name2, gFalse, italic)) {
break;
}
fi = NULL;
}
}
if (!fi && !exact && (bold || italic)) {
// try ignoring the bold and italic flags
for (i = 0; i < fonts->getLength(); ++i) {
fi = (SysFontInfo *)fonts->get(i);
if (fi->match(name2, gFalse, gFalse)) {
break;
}
fi = NULL;
}
}
delete name2;
return fi;
}
#ifdef ENABLE_PLUGINS
//------------------------------------------------------------------------
// Plugin
//------------------------------------------------------------------------
class Plugin {
public:
static Plugin *load(char *type, char *name);
~Plugin();
private:
#ifdef _WIN32
Plugin(HMODULE libA);
HMODULE lib;
#else
Plugin(void *dlA);
void *dl;
#endif
};
Plugin *Plugin::load(char *type, char *name) {
GooString *path;
Plugin *plugin;
XpdfPluginVecTable *vt;
XpdfBool (*xpdfInitPlugin)(void);
#ifdef _WIN32
HMODULE libA;
#else
void *dlA;
#endif
path = new GooString(POPPLER_DATADIR);
appendToPath(path, "plugins");
appendToPath(path, type);
appendToPath(path, name);
#ifdef _WIN32
path->append(".dll");
if (!(libA = LoadLibrary(path->getCString()))) {
error(errIO, -1, "Failed to load plugin '{0:t}'", path);
goto err1;
}
if (!(vt = (XpdfPluginVecTable *)
GetProcAddress(libA, "xpdfPluginVecTable"))) {
error(errIO, -1, "Failed to find xpdfPluginVecTable in plugin '{0:t}'",
path);
goto err2;
}
#else
//~ need to deal with other extensions here
path->append(".so");
if (!(dlA = dlopen(path->getCString(), RTLD_NOW))) {
error(errIO, -1, "Failed to load plugin '{0:t}': {1:s}",
path, dlerror());
goto err1;
}
if (!(vt = (XpdfPluginVecTable *)dlsym(dlA, "xpdfPluginVecTable"))) {
error(errIO, -1, "Failed to find xpdfPluginVecTable in plugin '{0:t}'",
path);
goto err2;
}
#endif
if (vt->version != xpdfPluginVecTable.version) {
error(errIO, -1, "Plugin '{0:t}' is wrong version", path);
goto err2;
}
memcpy(vt, &xpdfPluginVecTable, sizeof(xpdfPluginVecTable));
#ifdef _WIN32
if (!(xpdfInitPlugin = (XpdfBool (*)(void))
GetProcAddress(libA, "xpdfInitPlugin"))) {
error(errIO, -1, "Failed to find xpdfInitPlugin in plugin '{0:t}'",
path);
goto err2;
}
#else
if (!(xpdfInitPlugin = (XpdfBool (*)(void))dlsym(dlA, "xpdfInitPlugin"))) {
error(errIO, -1, "Failed to find xpdfInitPlugin in plugin '{0:t}'",
path);
goto err2;
}
#endif
if (!(*xpdfInitPlugin)()) {
error(errIO, -1, "Initialization of plugin '{0:t}' failed", path);
goto err2;
}
#ifdef _WIN32
plugin = new Plugin(libA);
#else
plugin = new Plugin(dlA);
#endif
delete path;
return plugin;
err2:
#ifdef _WIN32
FreeLibrary(libA);
#else
dlclose(dlA);
#endif
err1:
delete path;
return NULL;
}
#ifdef _WIN32
Plugin::Plugin(HMODULE libA) {
lib = libA;
}
#else
Plugin::Plugin(void *dlA) {
dl = dlA;
}
#endif
Plugin::~Plugin() {
void (*xpdfFreePlugin)(void);
#ifdef _WIN32
if ((xpdfFreePlugin = (void (*)(void))
GetProcAddress(lib, "xpdfFreePlugin"))) {
(*xpdfFreePlugin)();
}
FreeLibrary(lib);
#else
if ((xpdfFreePlugin = (void (*)(void))dlsym(dl, "xpdfFreePlugin"))) {
(*xpdfFreePlugin)();
}
dlclose(dl);
#endif
}
#endif // ENABLE_PLUGINS
//------------------------------------------------------------------------
// parsing
//------------------------------------------------------------------------
GlobalParams::GlobalParams(const char *customPopplerDataDir)
: popplerDataDir(customPopplerDataDir)
{
UnicodeMap *map;
int i;
#ifdef MULTITHREADED
gInitMutex(&mutex);
gInitMutex(&unicodeMapCacheMutex);
gInitMutex(&cMapCacheMutex);
#endif
initBuiltinFontTables();
// scan the encoding in reverse because we want the lowest-numbered
// index for each char name ('space' is encoded twice)
macRomanReverseMap = new NameToCharCode();
for (i = 255; i >= 0; --i) {
if (macRomanEncoding[i]) {
macRomanReverseMap->add(macRomanEncoding[i], (CharCode)i);
}
}
#ifdef _WIN32
substFiles = new GooHash(gTrue);
#endif
nameToUnicodeZapfDingbats = new NameToCharCode();
nameToUnicodeText = new NameToCharCode();
cidToUnicodes = new GooHash(gTrue);
unicodeToUnicodes = new GooHash(gTrue);
residentUnicodeMaps = new GooHash();
unicodeMaps = new GooHash(gTrue);
cMapDirs = new GooHash(gTrue);
toUnicodeDirs = new GooList();
fontFiles = new GooHash(gTrue);
sysFonts = new SysFontList();
psExpandSmaller = gFalse;
psShrinkLarger = gTrue;
psLevel = psLevel2;
textEncoding = new GooString("UTF-8");
#if defined(_WIN32)
textEOL = eolDOS;
#elif defined(MACOS)
textEOL = eolMac;
#else
textEOL = eolUnix;
#endif
textPageBreaks = gTrue;
enableFreeType = gTrue;
overprintPreview = gFalse;
printCommands = gFalse;
profileCommands = gFalse;
errQuiet = gFalse;
cidToUnicodeCache = new CharCodeToUnicodeCache(cidToUnicodeCacheSize);
unicodeToUnicodeCache =
new CharCodeToUnicodeCache(unicodeToUnicodeCacheSize);
unicodeMapCache = new UnicodeMapCache();
cMapCache = new CMapCache();
baseFontsInitialized = gFalse;
#ifdef ENABLE_PLUGINS
plugins = new GooList();
securityHandlers = new GooList();
#endif
// set up the initial nameToUnicode tables
for (i = 0; nameToUnicodeZapfDingbatsTab[i].name; ++i) {
nameToUnicodeZapfDingbats->add(nameToUnicodeZapfDingbatsTab[i].name, nameToUnicodeZapfDingbatsTab[i].u);
}
for (i = 0; nameToUnicodeTextTab[i].name; ++i) {
nameToUnicodeText->add(nameToUnicodeTextTab[i].name, nameToUnicodeTextTab[i].u);
}
// set up the residentUnicodeMaps table
map = new UnicodeMap("Latin1", gFalse,
latin1UnicodeMapRanges, latin1UnicodeMapLen);
residentUnicodeMaps->add(map->getEncodingName(), map);
map = new UnicodeMap("ASCII7", gFalse,
ascii7UnicodeMapRanges, ascii7UnicodeMapLen);
residentUnicodeMaps->add(map->getEncodingName(), map);
map = new UnicodeMap("Symbol", gFalse,
symbolUnicodeMapRanges, symbolUnicodeMapLen);
residentUnicodeMaps->add(map->getEncodingName(), map);
map = new UnicodeMap("ZapfDingbats", gFalse, zapfDingbatsUnicodeMapRanges,
zapfDingbatsUnicodeMapLen);
residentUnicodeMaps->add(map->getEncodingName(), map);
map = new UnicodeMap("UTF-8", gTrue, &mapUTF8);
residentUnicodeMaps->add(map->getEncodingName(), map);
map = new UnicodeMap("UCS-2", gTrue, &mapUCS2);
residentUnicodeMaps->add(map->getEncodingName(), map);
scanEncodingDirs();
}
void GlobalParams::scanEncodingDirs() {
GDir *dir;
GDirEntry *entry;
const char *dataRoot = popplerDataDir ? popplerDataDir : POPPLER_DATADIR;
// allocate buffer large enough to append "/nameToUnicode"
size_t bufSize = strlen(dataRoot) + strlen("/nameToUnicode") + 1;
char *dataPathBuffer = new char[bufSize];
snprintf(dataPathBuffer, bufSize, "%s/nameToUnicode", dataRoot);
dir = new GDir(dataPathBuffer, gTrue);
while (entry = dir->getNextEntry(), entry != NULL) {
if (!entry->isDir()) {
parseNameToUnicode(entry->getFullPath());
}
delete entry;
}
delete dir;
snprintf(dataPathBuffer, bufSize, "%s/cidToUnicode", dataRoot);
dir = new GDir(dataPathBuffer, gFalse);
while (entry = dir->getNextEntry(), entry != NULL) {
addCIDToUnicode(entry->getName(), entry->getFullPath());
delete entry;
}
delete dir;
snprintf(dataPathBuffer, bufSize, "%s/unicodeMap", dataRoot);
dir = new GDir(dataPathBuffer, gFalse);
while (entry = dir->getNextEntry(), entry != NULL) {
addUnicodeMap(entry->getName(), entry->getFullPath());
delete entry;
}
delete dir;
snprintf(dataPathBuffer, bufSize, "%s/cMap", dataRoot);
dir = new GDir(dataPathBuffer, gFalse);
while (entry = dir->getNextEntry(), entry != NULL) {
addCMapDir(entry->getName(), entry->getFullPath());
toUnicodeDirs->append(entry->getFullPath()->copy());
delete entry;
}
delete dir;
delete[] dataPathBuffer;
}
void GlobalParams::parseNameToUnicode(GooString *name) {
char *tok1, *tok2;
FILE *f;
char buf[256];
int line;
Unicode u;
char *tokptr;
if (!(f = openFile(name->getCString(), "r"))) {
error(errIO, -1, "Couldn't open 'nameToUnicode' file '{0:t}'",
name);
return;
}
line = 1;
while (getLine(buf, sizeof(buf), f)) {
tok1 = strtok_r(buf, " \t\r\n", &tokptr);
tok2 = strtok_r(NULL, " \t\r\n", &tokptr);
if (tok1 && tok2) {
sscanf(tok1, "%x", &u);
nameToUnicodeText->add(tok2, u);
} else {
error(errConfig, -1, "Bad line in 'nameToUnicode' file ({0:t}:{1:d})",
name, line);
}
++line;
}
fclose(f);
}
void GlobalParams::addCIDToUnicode(GooString *collection,
GooString *fileName) {
GooString *old;
if ((old = (GooString *)cidToUnicodes->remove(collection))) {
delete old;
}
cidToUnicodes->add(collection->copy(), fileName->copy());
}
void GlobalParams::addUnicodeMap(GooString *encodingName, GooString *fileName)
{
GooString *old;
if ((old = (GooString *)unicodeMaps->remove(encodingName))) {
delete old;
}
unicodeMaps->add(encodingName->copy(), fileName->copy());
}
void GlobalParams::addCMapDir(GooString *collection, GooString *dir) {
GooList *list;
if (!(list = (GooList *)cMapDirs->lookup(collection))) {
list = new GooList();
cMapDirs->add(collection->copy(), list);
}
list->append(dir->copy());
}
GBool GlobalParams::parseYesNo2(const char *token, GBool *flag) {
if (!strcmp(token, "yes")) {
*flag = gTrue;
} else if (!strcmp(token, "no")) {
*flag = gFalse;
} else {
return gFalse;
}
return gTrue;
}
GlobalParams::~GlobalParams() {
freeBuiltinFontTables();
delete macRomanReverseMap;
delete nameToUnicodeZapfDingbats;
delete nameToUnicodeText;
deleteGooHash(cidToUnicodes, GooString);
deleteGooHash(unicodeToUnicodes, GooString);
deleteGooHash(residentUnicodeMaps, UnicodeMap);
deleteGooHash(unicodeMaps, GooString);
deleteGooList(toUnicodeDirs, GooString);
deleteGooHash(fontFiles, GooString);
#ifdef _WIN32
deleteGooHash(substFiles, GooString);
#endif
delete sysFonts;
delete textEncoding;
GooHashIter *iter;
GooString *key;
cMapDirs->startIter(&iter);
void *val;
while (cMapDirs->getNext(&iter, &key, &val)) {
GooList* list = (GooList*)val;
deleteGooList(list, GooString);
}
delete cMapDirs;
delete cidToUnicodeCache;
delete unicodeToUnicodeCache;
delete unicodeMapCache;
delete cMapCache;
#ifdef ENABLE_PLUGINS
delete securityHandlers;
deleteGooList(plugins, Plugin);
#endif
#ifdef MULTITHREADED
gDestroyMutex(&mutex);
gDestroyMutex(&unicodeMapCacheMutex);
gDestroyMutex(&cMapCacheMutex);
#endif
}
//------------------------------------------------------------------------
// accessors
//------------------------------------------------------------------------
CharCode GlobalParams::getMacRomanCharCode(char *charName) {
// no need to lock - macRomanReverseMap is constant
return macRomanReverseMap->lookup(charName);
}
Unicode GlobalParams::mapNameToUnicodeAll(const char *charName) {
// no need to lock - nameToUnicodeZapfDingbats and nameToUnicodeText are constant
Unicode u = nameToUnicodeZapfDingbats->lookup(charName);
if (!u)
u = nameToUnicodeText->lookup(charName);
return u;
}
Unicode GlobalParams::mapNameToUnicodeText(const char *charName) {
// no need to lock - nameToUnicodeText is constant
return nameToUnicodeText->lookup(charName);
}
UnicodeMap *GlobalParams::getResidentUnicodeMap(GooString *encodingName) {
UnicodeMap *map;
lockGlobalParams;
map = (UnicodeMap *)residentUnicodeMaps->lookup(encodingName);
unlockGlobalParams;
if (map) {
map->incRefCnt();
}
return map;
}
FILE *GlobalParams::getUnicodeMapFile(GooString *encodingName) {
GooString *fileName;
FILE *f;
lockGlobalParams;
if ((fileName = (GooString *)unicodeMaps->lookup(encodingName))) {
f = openFile(fileName->getCString(), "r");
} else {
f = NULL;
}
unlockGlobalParams;
return f;
}
FILE *GlobalParams::findCMapFile(GooString *collection, GooString *cMapName) {
GooList *list;
GooString *dir;
GooString *fileName;
FILE *f;
int i;
lockGlobalParams;
if (!(list = (GooList *)cMapDirs->lookup(collection))) {
unlockGlobalParams;
return NULL;
}
for (i = 0; i < list->getLength(); ++i) {
dir = (GooString *)list->get(i);
fileName = appendToPath(dir->copy(), cMapName->getCString());
f = openFile(fileName->getCString(), "r");
delete fileName;
if (f) {
unlockGlobalParams;
return f;
}
}
unlockGlobalParams;
return NULL;
}
FILE *GlobalParams::findToUnicodeFile(GooString *name) {
GooString *dir, *fileName;
FILE *f;
int i;
lockGlobalParams;
for (i = 0; i < toUnicodeDirs->getLength(); ++i) {
dir = (GooString *)toUnicodeDirs->get(i);
fileName = appendToPath(dir->copy(), name->getCString());
f = openFile(fileName->getCString(), "r");
delete fileName;
if (f) {
unlockGlobalParams;
return f;
}
}
unlockGlobalParams;
return NULL;
}
#ifdef WITH_FONTCONFIGURATION_FONTCONFIG
static GBool findModifier(const char *name, const char *modifier, const char **start)
{
const char *match;
if (name == NULL)
return gFalse;
match = strstr(name, modifier);
if (match) {
if (*start == NULL || match < *start)
*start = match;
return gTrue;
}
else {
return gFalse;
}
}
static const char *getFontLang(GfxFont *font)
{
const char *lang;
// find the language we want the font to support
if (font->isCIDFont())
{
GooString *collection = ((GfxCIDFont *)font)->getCollection();
if (collection)
{
if (strcmp(collection->getCString(), "Adobe-GB1") == 0)
lang = "zh-cn"; // Simplified Chinese
else if (strcmp(collection->getCString(), "Adobe-CNS1") == 0)
lang = "zh-tw"; // Traditional Chinese
else if (strcmp(collection->getCString(), "Adobe-Japan1") == 0)
lang = "ja"; // Japanese
else if (strcmp(collection->getCString(), "Adobe-Japan2") == 0)
lang = "ja"; // Japanese
else if (strcmp(collection->getCString(), "Adobe-Korea1") == 0)
lang = "ko"; // Korean
else if (strcmp(collection->getCString(), "Adobe-UCS") == 0)
lang = "xx";
else if (strcmp(collection->getCString(), "Adobe-Identity") == 0)
lang = "xx";
else
{
error(errUnimplemented, -1, "Unknown CID font collection, please report to poppler bugzilla.");
lang = "xx";
}
}
else lang = "xx";
}
else lang = "xx";
return lang;
}
static FcPattern *buildFcPattern(GfxFont *font, GooString *base14Name)
{
int weight = -1,
slant = -1,
width = -1,
spacing = -1;
bool deleteFamily = false;
char *family, *name, *modifiers;
const char *start;
FcPattern *p;
// this is all heuristics will be overwritten if font had proper info
name = (base14Name == NULL) ? font->getName()->getCString() : base14Name->getCString();
modifiers = strchr (name, ',');
if (modifiers == NULL)
modifiers = strchr (name, '-');
// remove the - from the names, for some reason, Fontconfig does not
// understand "MS-Mincho" but does with "MS Mincho"
int len = strlen(name);
for (int i = 0; i < len; i++)
name[i] = (name[i] == '-' ? ' ' : name[i]);
start = NULL;
findModifier(modifiers, "Regular", &start);
findModifier(modifiers, "Roman", &start);
if (findModifier(modifiers, "Oblique", &start))
slant = FC_SLANT_OBLIQUE;
if (findModifier(modifiers, "Italic", &start))
slant = FC_SLANT_ITALIC;
if (findModifier(modifiers, "Bold", &start))
weight = FC_WEIGHT_BOLD;
if (findModifier(modifiers, "Light", &start))
weight = FC_WEIGHT_LIGHT;
if (findModifier(modifiers, "Medium", &start))
weight = FC_WEIGHT_MEDIUM;
if (findModifier(modifiers, "Condensed", &start))
width = FC_WIDTH_CONDENSED;
if (start) {
// There have been "modifiers" in the name, crop them to obtain
// the family name
family = new char[len+1];
strcpy(family, name);
int pos = (modifiers - name);
family[pos] = '\0';
deleteFamily = true;
}
else {
family = name;
}
// use font flags
if (font->isFixedWidth())
spacing = FC_MONO;
if (font->isBold())
weight = FC_WEIGHT_BOLD;
if (font->isItalic())
slant = FC_SLANT_ITALIC;
// if the FontDescriptor specified a family name use it
if (font->getFamily()) {
if (deleteFamily) {
delete[] family;
deleteFamily = false;
}
family = font->getFamily()->getCString();
}
// if the FontDescriptor specified a weight use it
switch (font -> getWeight())
{
case GfxFont::W100: weight = FC_WEIGHT_EXTRALIGHT; break;
case GfxFont::W200: weight = FC_WEIGHT_LIGHT; break;
case GfxFont::W300: weight = FC_WEIGHT_BOOK; break;
case GfxFont::W400: weight = FC_WEIGHT_NORMAL; break;
case GfxFont::W500: weight = FC_WEIGHT_MEDIUM; break;
case GfxFont::W600: weight = FC_WEIGHT_DEMIBOLD; break;
case GfxFont::W700: weight = FC_WEIGHT_BOLD; break;
case GfxFont::W800: weight = FC_WEIGHT_EXTRABOLD; break;
case GfxFont::W900: weight = FC_WEIGHT_BLACK; break;
default: break;
}
// if the FontDescriptor specified a width use it
switch (font -> getStretch())
{
case GfxFont::UltraCondensed: width = FC_WIDTH_ULTRACONDENSED; break;
case GfxFont::ExtraCondensed: width = FC_WIDTH_EXTRACONDENSED; break;
case GfxFont::Condensed: width = FC_WIDTH_CONDENSED; break;
case GfxFont::SemiCondensed: width = FC_WIDTH_SEMICONDENSED; break;
case GfxFont::Normal: width = FC_WIDTH_NORMAL; break;
case GfxFont::SemiExpanded: width = FC_WIDTH_SEMIEXPANDED; break;
case GfxFont::Expanded: width = FC_WIDTH_EXPANDED; break;
case GfxFont::ExtraExpanded: width = FC_WIDTH_EXTRAEXPANDED; break;
case GfxFont::UltraExpanded: width = FC_WIDTH_ULTRAEXPANDED; break;
default: break;
}
const char *lang = getFontLang(font);
p = FcPatternBuild(NULL,
FC_FAMILY, FcTypeString, family,
FC_LANG, FcTypeString, lang,
NULL);
if (slant != -1) FcPatternAddInteger(p, FC_SLANT, slant);
if (weight != -1) FcPatternAddInteger(p, FC_WEIGHT, weight);
if (width != -1) FcPatternAddInteger(p, FC_WIDTH, width);
if (spacing != -1) FcPatternAddInteger(p, FC_SPACING, spacing);
if (deleteFamily)
delete[] family;
return p;
}
#endif
GooString *GlobalParams::findFontFile(GooString *fontName) {
GooString *path;
setupBaseFonts(NULL);
lockGlobalParams;
if ((path = (GooString *)fontFiles->lookup(fontName))) {
path = path->copy();
unlockGlobalParams;
return path;
}
unlockGlobalParams;
return NULL;
}
/* if you can't or don't want to use Fontconfig, you need to implement
this function for your platform. For Windows, it's in GlobalParamsWin.cc
*/
#ifdef WITH_FONTCONFIGURATION_FONTCONFIG
// not needed for fontconfig
void GlobalParams::setupBaseFonts(char *dir) {
}
GooString *GlobalParams::findBase14FontFile(GooString *base14Name, GfxFont *font) {
SysFontType type;
int fontNum;
return findSystemFontFile(font, &type, &fontNum, NULL, base14Name);
}
GooString *GlobalParams::findSystemFontFile(GfxFont *font,
SysFontType *type,
int *fontNum, GooString *substituteFontName, GooString *base14Name) {
SysFontInfo *fi = NULL;
FcPattern *p=0;
GooString *path = NULL;
GooString *fontName = font->getName();
GooString substituteName;
if (!fontName) return NULL;
lockGlobalParams;
if ((fi = sysFonts->find(fontName, font->isFixedWidth(), gTrue))) {
path = fi->path->copy();
*type = fi->type;
*fontNum = fi->fontNum;
substituteName.Set(fi->substituteName->getCString());
} else {
FcChar8* s;
char * ext;
FcResult res;
FcFontSet *set;
int i;
FcLangSet *lb = NULL;
p = buildFcPattern(font, base14Name);
if (!p)
goto fin;
FcConfigSubstitute(NULL, p, FcMatchPattern);
FcDefaultSubstitute(p);
set = FcFontSort(NULL, p, FcFalse, NULL, &res);
if (!set)
goto fin;
// find the language we want the font to support
const char *lang = getFontLang(font);
if (strcmp(lang,"xx") != 0) {
lb = FcLangSetCreate();
FcLangSetAdd(lb,(FcChar8 *)lang);
}
/*
scan twice.
first: fonts support the language
second: all fonts (fall back)
*/
while (fi == NULL)
{
for (i = 0; i < set->nfont; ++i)
{
res = FcPatternGetString(set->fonts[i], FC_FILE, 0, &s);
if (res != FcResultMatch || !s)
continue;
if (lb != NULL) {
FcLangSet *l;
res = FcPatternGetLangSet(set->fonts[i], FC_LANG, 0, &l);
if (res != FcResultMatch || !FcLangSetContains(l,lb)) {
continue;
}
}
FcChar8* s2;
res = FcPatternGetString(set->fonts[i], FC_FULLNAME, 0, &s2);
if (res == FcResultMatch && s2) {
substituteName.Set((char*)s2);
} else {
// fontconfig does not extract fullname for some fonts
// create the fullname from family and style
res = FcPatternGetString(set->fonts[i], FC_FAMILY, 0, &s2);
if (res == FcResultMatch && s2) {
substituteName.Set((char*)s2);
res = FcPatternGetString(set->fonts[i], FC_STYLE, 0, &s2);
if (res == FcResultMatch && s2) {
GooString *style = new GooString((char*)s2);
if (style->cmp("Regular") != 0) {
substituteName.append(" ");
substituteName.append(style);
}
delete style;
}
}
}
ext = strrchr((char*)s,'.');
if (!ext)
continue;
if (!strncasecmp(ext,".ttf",4) || !strncasecmp(ext, ".ttc", 4) || !strncasecmp(ext, ".otf", 4))
{
int weight, slant;
GBool bold = font->isBold();
GBool italic = font->isItalic();
GBool oblique = gFalse;
FcPatternGetInteger(set->fonts[i], FC_WEIGHT, 0, &weight);
FcPatternGetInteger(set->fonts[i], FC_SLANT, 0, &slant);
if (weight == FC_WEIGHT_DEMIBOLD || weight == FC_WEIGHT_BOLD
|| weight == FC_WEIGHT_EXTRABOLD || weight == FC_WEIGHT_BLACK)
{
bold = gTrue;
}
if (slant == FC_SLANT_ITALIC)
italic = gTrue;
if (slant == FC_SLANT_OBLIQUE)
oblique = gTrue;
*fontNum = 0;
*type = (!strncasecmp(ext,".ttc",4)) ? sysFontTTC : sysFontTTF;
FcPatternGetInteger(set->fonts[i], FC_INDEX, 0, fontNum);
fi = new SysFontInfo(fontName->copy(), bold, italic, oblique, font->isFixedWidth(),
new GooString((char*)s), *type, *fontNum, substituteName.copy());
sysFonts->addFcFont(fi);
path = new GooString((char*)s);
}
else if (!strncasecmp(ext,".pfa",4) || !strncasecmp(ext,".pfb",4))
{
int weight, slant;
GBool bold = font->isBold();
GBool italic = font->isItalic();
GBool oblique = gFalse;
FcPatternGetInteger(set->fonts[i], FC_WEIGHT, 0, &weight);
FcPatternGetInteger(set->fonts[i], FC_SLANT, 0, &slant);
if (weight == FC_WEIGHT_DEMIBOLD || weight == FC_WEIGHT_BOLD
|| weight == FC_WEIGHT_EXTRABOLD || weight == FC_WEIGHT_BLACK)
{
bold = gTrue;
}
if (slant == FC_SLANT_ITALIC)
italic = gTrue;
if (slant == FC_SLANT_OBLIQUE)
oblique = gTrue;
*fontNum = 0;
*type = (!strncasecmp(ext,".pfa",4)) ? sysFontPFA : sysFontPFB;
FcPatternGetInteger(set->fonts[i], FC_INDEX, 0, fontNum);
fi = new SysFontInfo(fontName->copy(), bold, italic, oblique, font->isFixedWidth(),
new GooString((char*)s), *type, *fontNum, substituteName.copy());
sysFonts->addFcFont(fi);
path = new GooString((char*)s);
}
else
continue;
break;
}
if (lb != NULL) {
FcLangSetDestroy(lb);
lb = NULL;
} else {
/* scan all fonts of the list */
break;
}
}
FcFontSetDestroy(set);
}
if (path == NULL && (fi = sysFonts->find(fontName, font->isFixedWidth(), gFalse))) {
path = fi->path->copy();
*type = fi->type;
*fontNum = fi->fontNum;
}
if (substituteFontName) {
substituteFontName->Set(substituteName.getCString());
}
fin:
if (p)
FcPatternDestroy(p);
unlockGlobalParams;
return path;
}
#elif WITH_FONTCONFIGURATION_WIN32
#include "GlobalParamsWin.cc"
GooString *GlobalParams::findBase14FontFile(GooString *base14Name, GfxFont *font) {
return findFontFile(base14Name);
}
#else
GooString *GlobalParams::findBase14FontFile(GooString *base14Name, GfxFont *font) {
return findFontFile(base14Name);
}
static struct {
const char *name;
const char *t1FileName;
const char *ttFileName;
} displayFontTab[] = {
{"Courier", "n022003l.pfb", "cour.ttf"},
{"Courier-Bold", "n022004l.pfb", "courbd.ttf"},
{"Courier-BoldOblique", "n022024l.pfb", "courbi.ttf"},
{"Courier-Oblique", "n022023l.pfb", "couri.ttf"},
{"Helvetica", "n019003l.pfb", "arial.ttf"},
{"Helvetica-Bold", "n019004l.pfb", "arialbd.ttf"},
{"Helvetica-BoldOblique", "n019024l.pfb", "arialbi.ttf"},
{"Helvetica-Oblique", "n019023l.pfb", "ariali.ttf"},
{"Symbol", "s050000l.pfb", NULL},
{"Times-Bold", "n021004l.pfb", "timesbd.ttf"},
{"Times-BoldItalic", "n021024l.pfb", "timesbi.ttf"},
{"Times-Italic", "n021023l.pfb", "timesi.ttf"},
{"Times-Roman", "n021003l.pfb", "times.ttf"},
{"ZapfDingbats", "d050000l.pfb", NULL},
{NULL}
};
static const char *displayFontDirs[] = {
"/usr/share/ghostscript/fonts",
"/usr/local/share/ghostscript/fonts",
"/usr/share/fonts/default/Type1",
"/usr/share/fonts/default/ghostscript",
"/usr/share/fonts/type1/gsfonts",
NULL
};
void GlobalParams::setupBaseFonts(char *dir) {
GooString *fontName;
GooString *fileName;
FILE *f;
int i, j;
for (i = 0; displayFontTab[i].name; ++i) {
if (fontFiles->lookup(displayFontTab[i].name)) {
continue;
}
fontName = new GooString(displayFontTab[i].name);
fileName = NULL;
if (dir) {
fileName = appendToPath(new GooString(dir), displayFontTab[i].t1FileName);
if ((f = fopen(fileName->getCString(), "rb"))) {
fclose(f);
} else {
delete fileName;
fileName = NULL;
}
}
for (j = 0; !fileName && displayFontDirs[j]; ++j) {
fileName = appendToPath(new GooString(displayFontDirs[j]),
displayFontTab[i].t1FileName);
if ((f = fopen(fileName->getCString(), "rb"))) {
fclose(f);
} else {
delete fileName;
fileName = NULL;
}
}
if (!fileName) {
error(errConfig, -1, "No display font for '{0:s}'",
displayFontTab[i].name);
delete fontName;
continue;
}
addFontFile(fontName, fileName);
}
}
GooString *GlobalParams::findSystemFontFile(GfxFont *font,
SysFontType *type,
int *fontNum, GooString * /*substituteFontName*/,
GooString * /*base14Name*/) {
SysFontInfo *fi;
GooString *path;
path = NULL;
lockGlobalParams;
if ((fi = sysFonts->find(font->getName(), font->isFixedWidth(), gFalse))) {
path = fi->path->copy();
*type = fi->type;
*fontNum = fi->fontNum;
}
unlockGlobalParams;
return path;
}
#endif
GBool GlobalParams::getPSExpandSmaller() {
GBool f;
lockGlobalParams;
f = psExpandSmaller;
unlockGlobalParams;
return f;
}
GBool GlobalParams::getPSShrinkLarger() {
GBool f;
lockGlobalParams;
f = psShrinkLarger;
unlockGlobalParams;
return f;
}
PSLevel GlobalParams::getPSLevel() {
PSLevel level;
lockGlobalParams;
level = psLevel;
unlockGlobalParams;
return level;
}
GooString *GlobalParams::getTextEncodingName() {
GooString *s;
lockGlobalParams;
s = textEncoding->copy();
unlockGlobalParams;
return s;
}
EndOfLineKind GlobalParams::getTextEOL() {
EndOfLineKind eol;
lockGlobalParams;
eol = textEOL;
unlockGlobalParams;
return eol;
}
GBool GlobalParams::getTextPageBreaks() {
GBool pageBreaks;
lockGlobalParams;
pageBreaks = textPageBreaks;
unlockGlobalParams;
return pageBreaks;
}
GBool GlobalParams::getEnableFreeType() {
GBool f;
lockGlobalParams;
f = enableFreeType;
unlockGlobalParams;
return f;
}
GBool GlobalParams::getPrintCommands() {
GBool p;
lockGlobalParams;
p = printCommands;
unlockGlobalParams;
return p;
}
GBool GlobalParams::getProfileCommands() {
GBool p;
lockGlobalParams;
p = profileCommands;
unlockGlobalParams;
return p;
}
GBool GlobalParams::getErrQuiet() {
// no locking -- this function may get called from inside a locked
// section
return errQuiet;
}
CharCodeToUnicode *GlobalParams::getCIDToUnicode(GooString *collection) {
GooString *fileName;
CharCodeToUnicode *ctu;
lockGlobalParams;
if (!(ctu = cidToUnicodeCache->getCharCodeToUnicode(collection))) {
if ((fileName = (GooString *)cidToUnicodes->lookup(collection)) &&
(ctu = CharCodeToUnicode::parseCIDToUnicode(fileName, collection))) {
cidToUnicodeCache->add(ctu);
}
}
unlockGlobalParams;
return ctu;
}
CharCodeToUnicode *GlobalParams::getUnicodeToUnicode(GooString *fontName) {
lockGlobalParams;
GooHashIter *iter;
unicodeToUnicodes->startIter(&iter);
GooString *fileName = NULL;
GooString *fontPattern;
void *val;
while (!fileName && unicodeToUnicodes->getNext(&iter, &fontPattern, &val)) {
if (strstr(fontName->getCString(), fontPattern->getCString())) {
unicodeToUnicodes->killIter(&iter);
fileName = (GooString*)val;
}
}
CharCodeToUnicode *ctu = NULL;
if (fileName) {
ctu = unicodeToUnicodeCache->getCharCodeToUnicode(fileName);
if (!ctu) {
ctu = CharCodeToUnicode::parseUnicodeToUnicode(fileName);
if (ctu)
unicodeToUnicodeCache->add(ctu);
}
}
unlockGlobalParams;
return ctu;
}
UnicodeMap *GlobalParams::getUnicodeMap(GooString *encodingName) {
return getUnicodeMap2(encodingName);
}
UnicodeMap *GlobalParams::getUnicodeMap2(GooString *encodingName) {
UnicodeMap *map;
if (!(map = getResidentUnicodeMap(encodingName))) {
lockUnicodeMapCache;
map = unicodeMapCache->getUnicodeMap(encodingName);
unlockUnicodeMapCache;
}
return map;
}
CMap *GlobalParams::getCMap(GooString *collection, GooString *cMapName, Stream *stream) {
CMap *cMap;
lockCMapCache;
cMap = cMapCache->getCMap(collection, cMapName, stream);
unlockCMapCache;
return cMap;
}
UnicodeMap *GlobalParams::getTextEncoding() {
return getUnicodeMap2(textEncoding);
}
GooList *GlobalParams::getEncodingNames()
{
GooList *result = new GooList;
GooHashIter *iter;
GooString *key;
void *val;
residentUnicodeMaps->startIter(&iter);
while (residentUnicodeMaps->getNext(&iter, &key, &val)) {
result->append(key);
}
residentUnicodeMaps->killIter(&iter);
unicodeMaps->startIter(&iter);
while (unicodeMaps->getNext(&iter, &key, &val)) {
result->append(key);
}
unicodeMaps->killIter(&iter);
return result;
}
//------------------------------------------------------------------------
// functions to set parameters
//------------------------------------------------------------------------
void GlobalParams::addFontFile(GooString *fontName, GooString *path) {
lockGlobalParams;
fontFiles->add(fontName, path);
unlockGlobalParams;
}
void GlobalParams::setPSExpandSmaller(GBool expand) {
lockGlobalParams;
psExpandSmaller = expand;
unlockGlobalParams;
}
void GlobalParams::setPSShrinkLarger(GBool shrink) {
lockGlobalParams;
psShrinkLarger = shrink;
unlockGlobalParams;
}
void GlobalParams::setPSLevel(PSLevel level) {
lockGlobalParams;
psLevel = level;
unlockGlobalParams;
}
void GlobalParams::setTextEncoding(char *encodingName) {
lockGlobalParams;
delete textEncoding;
textEncoding = new GooString(encodingName);
unlockGlobalParams;
}
GBool GlobalParams::setTextEOL(char *s) {
lockGlobalParams;
if (!strcmp(s, "unix")) {
textEOL = eolUnix;
} else if (!strcmp(s, "dos")) {
textEOL = eolDOS;
} else if (!strcmp(s, "mac")) {
textEOL = eolMac;
} else {
unlockGlobalParams;
return gFalse;
}
unlockGlobalParams;
return gTrue;
}
void GlobalParams::setTextPageBreaks(GBool pageBreaks) {
lockGlobalParams;
textPageBreaks = pageBreaks;
unlockGlobalParams;
}
GBool GlobalParams::setEnableFreeType(char *s) {
GBool ok;
lockGlobalParams;
ok = parseYesNo2(s, &enableFreeType);
unlockGlobalParams;
return ok;
}
void GlobalParams::setOverprintPreview(GBool overprintPreviewA) {
lockGlobalParams;
overprintPreview = overprintPreviewA;
unlockGlobalParams;
}
void GlobalParams::setPrintCommands(GBool printCommandsA) {
lockGlobalParams;
printCommands = printCommandsA;
unlockGlobalParams;
}
void GlobalParams::setProfileCommands(GBool profileCommandsA) {
lockGlobalParams;
profileCommands = profileCommandsA;
unlockGlobalParams;
}
void GlobalParams::setErrQuiet(GBool errQuietA) {
lockGlobalParams;
errQuiet = errQuietA;
unlockGlobalParams;
}
void GlobalParams::addSecurityHandler(XpdfSecurityHandler *handler) {
#ifdef ENABLE_PLUGINS
lockGlobalParams;
securityHandlers->append(handler);
unlockGlobalParams;
#endif
}
XpdfSecurityHandler *GlobalParams::getSecurityHandler(char *name) {
#ifdef ENABLE_PLUGINS
XpdfSecurityHandler *hdlr;
int i;
lockGlobalParams;
for (i = 0; i < securityHandlers->getLength(); ++i) {
hdlr = (XpdfSecurityHandler *)securityHandlers->get(i);
if (!strcasecmp(hdlr->name, name)) {
unlockGlobalParams;
return hdlr;
}
}
unlockGlobalParams;
if (!loadPlugin("security", name)) {
return NULL;
}
lockGlobalParams;
for (i = 0; i < securityHandlers->getLength(); ++i) {
hdlr = (XpdfSecurityHandler *)securityHandlers->get(i);
if (!strcmp(hdlr->name, name)) {
unlockGlobalParams;
return hdlr;
}
}
unlockGlobalParams;
#else
(void)name;
#endif
return NULL;
}
#ifdef ENABLE_PLUGINS
//------------------------------------------------------------------------
// plugins
//------------------------------------------------------------------------
GBool GlobalParams::loadPlugin(char *type, char *name) {
Plugin *plugin;
if (!(plugin = Plugin::load(type, name))) {
return gFalse;
}
lockGlobalParams;
plugins->append(plugin);
unlockGlobalParams;
return gTrue;
}
#endif // ENABLE_PLUGINS