| //======================================================================== |
| // |
| // XpdfPluginAPI.cc |
| // |
| // Copyright 2004 Glyph & Cog, LLC |
| // |
| //======================================================================== |
| |
| //======================================================================== |
| // |
| // Modified under the Poppler project - http://poppler.freedesktop.org |
| // |
| // Copyright (C) 2009 Kovid Goyal <kovid@kovidgoyal.net> |
| // |
| // 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 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 |