summaryrefslogtreecommitdiff
path: root/core/fpdfapi/page/cpdf_contentmark.cpp
blob: 615d31f3eb682653047a2c6adffef89daf045e54 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
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
// 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/page/cpdf_contentmark.h"

#include <algorithm>
#include <utility>

#include "core/fpdfapi/parser/cpdf_dictionary.h"

CPDF_ContentMark::CPDF_ContentMark() {}

CPDF_ContentMark::~CPDF_ContentMark() {}

std::unique_ptr<CPDF_ContentMark> CPDF_ContentMark::Clone() {
  auto result = pdfium::MakeUnique<CPDF_ContentMark>();
  if (m_pMarkData)
    result->m_pMarkData.Reset(new MarkData(*m_pMarkData));

  return result;
}

size_t CPDF_ContentMark::CountItems() const {
  if (!m_pMarkData)
    return 0;

  return m_pMarkData->CountItems();
}

bool CPDF_ContentMark::ContainsItem(const CPDF_ContentMarkItem* pItem) const {
  if (!m_pMarkData)
    return false;

  return m_pMarkData->ContainsItem(pItem);
}

CPDF_ContentMarkItem* CPDF_ContentMark::GetItem(size_t i) {
  ASSERT(i < CountItems());
  return m_pMarkData->GetItem(i);
}

const CPDF_ContentMarkItem* CPDF_ContentMark::GetItem(size_t i) const {
  ASSERT(i < CountItems());
  return m_pMarkData->GetItem(i);
}

int CPDF_ContentMark::GetMarkedContentID() const {
  if (!m_pMarkData)
    return -1;

  return m_pMarkData->GetMarkedContentID();
}

void CPDF_ContentMark::AddMark(ByteString name) {
  EnsureMarkDataExists();
  m_pMarkData->AddMark(std::move(name));
}

void CPDF_ContentMark::AddMarkWithDirectDict(ByteString name,
                                             CPDF_Dictionary* pDict) {
  EnsureMarkDataExists();
  m_pMarkData->AddMarkWithDirectDict(std::move(name), pDict);
}

void CPDF_ContentMark::AddMarkWithPropertiesDict(
    ByteString name,
    CPDF_Dictionary* pDict,
    const ByteString& property_name) {
  EnsureMarkDataExists();
  m_pMarkData->AddMarkWithPropertiesDict(std::move(name), pDict, property_name);
}

bool CPDF_ContentMark::RemoveMark(CPDF_ContentMarkItem* pMarkItem) {
  return m_pMarkData && m_pMarkData->RemoveMark(pMarkItem);
}

void CPDF_ContentMark::EnsureMarkDataExists() {
  if (!m_pMarkData)
    m_pMarkData = pdfium::MakeRetain<MarkData>();
}

void CPDF_ContentMark::DeleteLastMark() {
  if (!m_pMarkData)
    return;

  m_pMarkData->DeleteLastMark();
  if (CountItems() == 0)
    m_pMarkData.Reset();
}

size_t CPDF_ContentMark::FindFirstDifference(
    const CPDF_ContentMark* other) const {
  if (m_pMarkData == other->m_pMarkData)
    return CountItems();

  size_t min_len = std::min(CountItems(), other->CountItems());

  for (size_t i = 0; i < min_len; ++i) {
    if (GetItem(i) != other->GetItem(i))
      return i;
  }
  return min_len;
}

CPDF_ContentMark::MarkData::MarkData() {}

CPDF_ContentMark::MarkData::MarkData(const MarkData& src)
    : m_Marks(src.m_Marks) {}

CPDF_ContentMark::MarkData::~MarkData() {}

size_t CPDF_ContentMark::MarkData::CountItems() const {
  return m_Marks.size();
}

bool CPDF_ContentMark::MarkData::ContainsItem(
    const CPDF_ContentMarkItem* pItem) const {
  for (const auto pMark : m_Marks) {
    if (pMark.Get() == pItem)
      return true;
  }
  return false;
}

CPDF_ContentMarkItem* CPDF_ContentMark::MarkData::GetItem(size_t index) {
  return m_Marks[index].Get();
}

const CPDF_ContentMarkItem* CPDF_ContentMark::MarkData::GetItem(
    size_t index) const {
  return m_Marks[index].Get();
}

int CPDF_ContentMark::MarkData::GetMarkedContentID() const {
  for (const auto pMark : m_Marks) {
    const CPDF_Dictionary* pDict = pMark->GetParam();
    if (pDict && pDict->KeyExist("MCID"))
      return pDict->GetIntegerFor("MCID");
  }
  return -1;
}

void CPDF_ContentMark::MarkData::AddMark(ByteString name) {
  auto pItem = pdfium::MakeRetain<CPDF_ContentMarkItem>(std::move(name));
  m_Marks.push_back(pItem);
}

void CPDF_ContentMark::MarkData::AddMarkWithDirectDict(ByteString name,
                                                       CPDF_Dictionary* pDict) {
  auto pItem = pdfium::MakeRetain<CPDF_ContentMarkItem>(std::move(name));
  pItem->SetDirectDict(ToDictionary(pDict->Clone()));
  m_Marks.push_back(pItem);
}

void CPDF_ContentMark::MarkData::AddMarkWithPropertiesDict(
    ByteString name,
    CPDF_Dictionary* pDict,
    const ByteString& property_name) {
  auto pItem = pdfium::MakeRetain<CPDF_ContentMarkItem>(std::move(name));
  pItem->SetPropertiesDict(pDict, property_name);
  m_Marks.push_back(pItem);
}

bool CPDF_ContentMark::MarkData::RemoveMark(CPDF_ContentMarkItem* pMarkItem) {
  for (auto it = m_Marks.begin(); it != m_Marks.end(); ++it) {
    if (it->Get() == pMarkItem) {
      m_Marks.erase(it);
      return true;
    }
  }
  return false;
}

void CPDF_ContentMark::MarkData::DeleteLastMark() {
  if (!m_Marks.empty())
    m_Marks.pop_back();
}