XpdfPluginAPI.cc 5.7 KB
Newer Older
1 2 3 4 5 6 7 8
//========================================================================
//
// XpdfPluginAPI.cc
//
// Copyright 2004 Glyph & Cog, LLC
//
//========================================================================

9 10 11 12
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
Albert Astals Cid's avatar
Albert Astals Cid committed
13 14 15
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
16
// Copyright (C) 2009 Kovid Goyal <kovid@kovidgoyal.net>
17
// Copyright (C) 2012 Albert Astals Cid <aacid@kde.org>
18 19 20 21 22 23
//
// 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
//
//========================================================================

24
#include "config.h"
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243

#ifdef ENABLE_PLUGINS

#include "gmem.h"
#include "GlobalParams.h"
#include "Object.h"
#include "PDFDoc.h"
#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);
}

//------------------------------------------------------------------------
// 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,
  &_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