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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/cpdf_boolean.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
#include "third_party/base/stl_util.h"
CPDF_Dictionary::CPDF_Dictionary() {}
CPDF_Dictionary::~CPDF_Dictionary() {
for (const auto& it : m_Map)
it.second->Release();
}
CPDF_Object::Type CPDF_Dictionary::GetType() const {
return DICTIONARY;
}
CPDF_Dictionary* CPDF_Dictionary::GetDict() const {
// The method should be made non-const if we want to not be const.
// See bug #234.
return const_cast<CPDF_Dictionary*>(this);
}
bool CPDF_Dictionary::IsDictionary() const {
return true;
}
CPDF_Dictionary* CPDF_Dictionary::AsDictionary() {
return this;
}
const CPDF_Dictionary* CPDF_Dictionary::AsDictionary() const {
return this;
}
CPDF_Object* CPDF_Dictionary::Clone(FX_BOOL bDirect) const {
CPDF_Dictionary* pCopy = new CPDF_Dictionary();
for (const auto& it : *this)
pCopy->m_Map.insert(std::make_pair(it.first, it.second->Clone(bDirect)));
return pCopy;
}
CPDF_Object* CPDF_Dictionary::GetObjectBy(const CFX_ByteString& key) const {
auto it = m_Map.find(key);
return it != m_Map.end() ? it->second : nullptr;
}
CPDF_Object* CPDF_Dictionary::GetDirectObjectBy(
const CFX_ByteString& key) const {
CPDF_Object* p = GetObjectBy(key);
return p ? p->GetDirect() : nullptr;
}
CFX_ByteString CPDF_Dictionary::GetStringBy(const CFX_ByteString& key) const {
CPDF_Object* p = GetObjectBy(key);
return p ? p->GetString() : CFX_ByteString();
}
CFX_WideString CPDF_Dictionary::GetUnicodeTextBy(
const CFX_ByteString& key) const {
CPDF_Object* p = GetObjectBy(key);
if (CPDF_Reference* pRef = ToReference(p))
p = pRef->GetDirect();
return p ? p->GetUnicodeText() : CFX_WideString();
}
CFX_ByteString CPDF_Dictionary::GetStringBy(const CFX_ByteString& key,
const CFX_ByteString& def) const {
CPDF_Object* p = GetObjectBy(key);
return p ? p->GetString() : CFX_ByteString(def);
}
int CPDF_Dictionary::GetIntegerBy(const CFX_ByteString& key) const {
CPDF_Object* p = GetObjectBy(key);
return p ? p->GetInteger() : 0;
}
int CPDF_Dictionary::GetIntegerBy(const CFX_ByteString& key, int def) const {
CPDF_Object* p = GetObjectBy(key);
return p ? p->GetInteger() : def;
}
FX_FLOAT CPDF_Dictionary::GetNumberBy(const CFX_ByteString& key) const {
CPDF_Object* p = GetObjectBy(key);
return p ? p->GetNumber() : 0;
}
bool CPDF_Dictionary::GetBooleanBy(const CFX_ByteString& key,
bool bDefault) const {
CPDF_Object* p = GetObjectBy(key);
return ToBoolean(p) ? p->GetInteger() != 0 : bDefault;
}
CPDF_Dictionary* CPDF_Dictionary::GetDictBy(const CFX_ByteString& key) const {
CPDF_Object* p = GetDirectObjectBy(key);
if (!p)
return nullptr;
if (CPDF_Dictionary* pDict = p->AsDictionary())
return pDict;
if (CPDF_Stream* pStream = p->AsStream())
return pStream->GetDict();
return nullptr;
}
CPDF_Array* CPDF_Dictionary::GetArrayBy(const CFX_ByteString& key) const {
return ToArray(GetDirectObjectBy(key));
}
CPDF_Stream* CPDF_Dictionary::GetStreamBy(const CFX_ByteString& key) const {
return ToStream(GetDirectObjectBy(key));
}
CFX_FloatRect CPDF_Dictionary::GetRectBy(const CFX_ByteString& key) const {
CFX_FloatRect rect;
CPDF_Array* pArray = GetArrayBy(key);
if (pArray)
rect = pArray->GetRect();
return rect;
}
CFX_Matrix CPDF_Dictionary::GetMatrixBy(const CFX_ByteString& key) const {
CFX_Matrix matrix;
CPDF_Array* pArray = GetArrayBy(key);
if (pArray)
matrix = pArray->GetMatrix();
return matrix;
}
FX_BOOL CPDF_Dictionary::KeyExist(const CFX_ByteString& key) const {
return pdfium::ContainsKey(m_Map, key);
}
bool CPDF_Dictionary::IsSignatureDict() const {
CPDF_Object* pType = GetDirectObjectBy("Type");
if (!pType)
pType = GetDirectObjectBy("FT");
return pType && pType->GetString() == "Sig";
}
void CPDF_Dictionary::SetAt(const CFX_ByteString& key, CPDF_Object* pObj) {
auto it = m_Map.find(key);
if (it == m_Map.end()) {
if (pObj)
m_Map.insert(std::make_pair(key, pObj));
return;
}
if (it->second == pObj)
return;
it->second->Release();
if (pObj)
it->second = pObj;
else
m_Map.erase(it);
}
void CPDF_Dictionary::RemoveAt(const CFX_ByteString& key) {
auto it = m_Map.find(key);
if (it == m_Map.end())
return;
it->second->Release();
m_Map.erase(it);
}
void CPDF_Dictionary::ReplaceKey(const CFX_ByteString& oldkey,
const CFX_ByteString& newkey) {
auto old_it = m_Map.find(oldkey);
if (old_it == m_Map.end())
return;
auto new_it = m_Map.find(newkey);
if (new_it == old_it)
return;
if (new_it != m_Map.end()) {
new_it->second->Release();
new_it->second = old_it->second;
} else {
m_Map.insert(std::make_pair(newkey, old_it->second));
}
m_Map.erase(old_it);
}
void CPDF_Dictionary::SetAtInteger(const CFX_ByteString& key, int i) {
SetAt(key, new CPDF_Number(i));
}
void CPDF_Dictionary::SetAtName(const CFX_ByteString& key,
const CFX_ByteString& name) {
SetAt(key, new CPDF_Name(name));
}
void CPDF_Dictionary::SetAtString(const CFX_ByteString& key,
const CFX_ByteString& str) {
SetAt(key, new CPDF_String(str, FALSE));
}
void CPDF_Dictionary::SetAtReference(const CFX_ByteString& key,
CPDF_IndirectObjectHolder* pDoc,
uint32_t objnum) {
SetAt(key, new CPDF_Reference(pDoc, objnum));
}
void CPDF_Dictionary::SetAtNumber(const CFX_ByteString& key, FX_FLOAT f) {
SetAt(key, new CPDF_Number(f));
}
void CPDF_Dictionary::SetAtBoolean(const CFX_ByteString& key, bool bValue) {
SetAt(key, new CPDF_Boolean(bValue));
}
void CPDF_Dictionary::SetAtRect(const CFX_ByteString& key,
const CFX_FloatRect& rect) {
CPDF_Array* pArray = new CPDF_Array;
pArray->AddNumber(rect.left);
pArray->AddNumber(rect.bottom);
pArray->AddNumber(rect.right);
pArray->AddNumber(rect.top);
SetAt(key, pArray);
}
void CPDF_Dictionary::SetAtMatrix(const CFX_ByteString& key,
const CFX_Matrix& matrix) {
CPDF_Array* pArray = new CPDF_Array;
pArray->AddNumber(matrix.a);
pArray->AddNumber(matrix.b);
pArray->AddNumber(matrix.c);
pArray->AddNumber(matrix.d);
pArray->AddNumber(matrix.e);
pArray->AddNumber(matrix.f);
SetAt(key, pArray);
}
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