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//========================================================================
//
// XpdfPluginAPI.cc
//
// Copyright 2004 Glyph & Cog, LLC
//
//========================================================================
#include "config.h"
#ifdef ENABLE_PLUGINS
#include "gmem.h"
#include "GlobalParams.h"
#include "Object.h"
#include "PDFDoc.h"
#ifdef WIN32
#include "WinPDFCore.h"
#else
#include "XPDFCore.h"
#endif
#include "XpdfPluginAPI.h"
//------------------------------------------------------------------------
//~ This should use a pool of Objects; change xpdfFreeObj to match.
static Object *allocObj() {
return (Object *)gmalloc(sizeof(Object));
}
//------------------------------------------------------------------------
// Document access functions
//------------------------------------------------------------------------
XpdfObject _xpdfGetInfoDict(XpdfDoc doc) {
Object *obj;
obj = allocObj();
return (XpdfObject)((PDFDoc *)doc)->getDocInfo(obj);
}
XpdfObject _xpdfGetCatalog(XpdfDoc doc) {
Object *obj;
obj = allocObj();
return (XpdfObject)((PDFDoc *)doc)->getXRef()->getCatalog(obj);
}
#ifdef _WIN32
HWND _xpdfWin32GetWindow(XpdfDoc doc) {
WinPDFCore *core;
if (!(core = (WinPDFCore *)((PDFDoc *)doc)->getGUIData())) {
return NULL;
}
return core->getDrawFrame();
}
#else
Widget _xpdfXGetWindow(XpdfDoc doc) {
XPDFCore *core;
if (!(core = (XPDFCore *)((PDFDoc *)doc)->getGUIData())) {
return NULL;
}
return core->getWidget();
}
#endif
//------------------------------------------------------------------------
// Object access functions.
//------------------------------------------------------------------------
XpdfBool _xpdfObjIsBool(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isBool();
}
XpdfBool _xpdfObjIsInt(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isInt();
}
XpdfBool _xpdfObjIsReal(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isReal();
}
XpdfBool _xpdfObjIsNumber(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isNum();
}
XpdfBool _xpdfObjIsString(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isString();
}
XpdfBool _xpdfObjIsName(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isName();
}
XpdfBool _xpdfObjIsNull(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isNull();
}
XpdfBool _xpdfObjIsArray(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isArray();
}
XpdfBool _xpdfObjIsDict(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isDict();
}
XpdfBool _xpdfObjIsStream(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isStream();
}
XpdfBool _xpdfObjIsRef(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->isRef();
}
XpdfBool _xpdfBoolValue(XpdfObject obj) {
return (XpdfBool)((Object *)obj)->getBool();
}
int _xpdfIntValue(XpdfObject obj) {
if (!((Object *)obj)->isInt()) {
return 0;
}
return ((Object *)obj)->getInt();
}
double _xpdfRealValue(XpdfObject obj) {
if (!((Object *)obj)->isReal()) {
return 0;
}
return ((Object *)obj)->getReal();
}
double _xpdfNumberValue(XpdfObject obj) {
if (!((Object *)obj)->isNum()) {
return 0;
}
return ((Object *)obj)->getNum();
}
int _xpdfStringLength(XpdfObject obj) {
if (!((Object *)obj)->isString()) {
return 0;
}
return ((Object *)obj)->getString()->getLength();
}
char *_xpdfStringValue(XpdfObject obj) {
if (!((Object *)obj)->isString()) {
return 0;
}
return ((Object *)obj)->getString()->getCString();
}
char *_xpdfNameValue(XpdfObject obj) {
if (!((Object *)obj)->isName()) {
return NULL;
}
return ((Object *)obj)->getName();
}
int _xpdfArrayLength(XpdfObject obj) {
if (!((Object *)obj)->isArray()) {
return 0;
}
return ((Object *)obj)->arrayGetLength();
}
XpdfObject _xpdfArrayGet(XpdfObject obj, int idx) {
Object *elem;
elem = allocObj();
if (!((Object *)obj)->isArray()) {
return (XpdfObject)elem->initNull();
}
return (XpdfObject)((Object *)obj)->arrayGet(idx, elem);
}
XpdfObject _xpdfDictGet(XpdfObject obj, char *key) {
Object *elem;
elem = allocObj();
if (!((Object *)obj)->isDict()) {
return (XpdfObject)elem->initNull();
}
return (XpdfObject)((Object *)obj)->dictLookup(key, elem);
}
void _xpdfFreeObj(XpdfObject obj) {
((Object *)obj)->free();
gfree(obj);
}
//------------------------------------------------------------------------
// Memory allocation functions
//------------------------------------------------------------------------
void *_xpdfMalloc(int size) {
return gmalloc(size);
}
void *_xpdfRealloc(void *p, int size) {
return grealloc(p, size);
}
void _xpdfFree(void *p) {
gfree(p);
}
//------------------------------------------------------------------------
// Security handlers
//------------------------------------------------------------------------
void _xpdfRegisterSecurityHandler(XpdfSecurityHandler *handler) {
if (handler->version <= xpdfPluginAPIVersion) {
globalParams->addSecurityHandler(handler);
}
}
//------------------------------------------------------------------------
XpdfPluginVecTable xpdfPluginVecTable = {
xpdfPluginAPIVersion,
&_xpdfGetInfoDict,
&_xpdfGetCatalog,
#ifdef _WIN32
&_xpdfWin32GetWindow,
#else
&_xpdfXGetWindow,
#endif
&_xpdfObjIsBool,
&_xpdfObjIsInt,
&_xpdfObjIsReal,
&_xpdfObjIsString,
&_xpdfObjIsName,
&_xpdfObjIsNull,
&_xpdfObjIsArray,
&_xpdfObjIsDict,
&_xpdfObjIsStream,
&_xpdfObjIsRef,
&_xpdfBoolValue,
&_xpdfIntValue,
&_xpdfRealValue,
&_xpdfStringLength,
&_xpdfStringValue,
&_xpdfNameValue,
&_xpdfArrayLength,
&_xpdfArrayGet,
&_xpdfDictGet,
&_xpdfFreeObj,
&_xpdfMalloc,
&_xpdfRealloc,
&_xpdfFree,
&_xpdfRegisterSecurityHandler,
};
#endif // ENABLE_PLUGINS
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