blob: 27d136305ba9a92de58ea57487c8a4340385e905 (
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
|
// Copyright 2017 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/fxcrt/xml/cfx_xmlelement.h"
#include <utility>
#include "core/fxcrt/cfx_widetextbuf.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/xml/cfx_xmlchardata.h"
#include "core/fxcrt/xml/cfx_xmltext.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
CFX_XMLElement::CFX_XMLElement(const WideString& wsTag)
: CFX_XMLAttributeNode(wsTag) {}
CFX_XMLElement::~CFX_XMLElement() {}
FX_XMLNODETYPE CFX_XMLElement::GetType() const {
return FX_XMLNODE_Element;
}
std::unique_ptr<CFX_XMLNode> CFX_XMLElement::Clone() {
auto pClone = pdfium::MakeUnique<CFX_XMLElement>(GetName());
pClone->SetAttributes(GetAttributes());
WideString wsText;
for (CFX_XMLNode* pChild = GetFirstChild(); pChild;
pChild = pChild->GetNextSibling()) {
if (pChild->GetType() == FX_XMLNODE_Text)
wsText += static_cast<CFX_XMLText*>(pChild)->GetText();
}
pClone->SetTextData(wsText);
return std::move(pClone);
}
WideString CFX_XMLElement::GetLocalTagName() const {
auto pos = GetName().Find(L':');
return pos.has_value()
? GetName().Right(GetName().GetLength() - pos.value() - 1)
: GetName();
}
WideString CFX_XMLElement::GetNamespacePrefix() const {
auto pos = GetName().Find(L':');
return pos.has_value() ? GetName().Left(pos.value()) : WideString();
}
WideString CFX_XMLElement::GetNamespaceURI() const {
WideString wsAttri(L"xmlns");
WideString wsPrefix = GetNamespacePrefix();
if (wsPrefix.GetLength() > 0) {
wsAttri += L":";
wsAttri += wsPrefix;
}
auto* pNode = static_cast<const CFX_XMLNode*>(this);
while (pNode) {
if (pNode->GetType() != FX_XMLNODE_Element)
break;
auto* pElement = static_cast<const CFX_XMLElement*>(pNode);
if (!pElement->HasAttribute(wsAttri)) {
pNode = pNode->GetParent();
continue;
}
return pElement->GetString(wsAttri);
}
return WideString();
}
WideString CFX_XMLElement::GetTextData() const {
CFX_WideTextBuf buffer;
for (CFX_XMLNode* pChild = GetFirstChild(); pChild;
pChild = pChild->GetNextSibling()) {
if (pChild->GetType() == FX_XMLNODE_Text ||
pChild->GetType() == FX_XMLNODE_CharData) {
buffer << static_cast<CFX_XMLText*>(pChild)->GetText();
}
}
return buffer.MakeString();
}
void CFX_XMLElement::SetTextData(const WideString& wsText) {
if (wsText.GetLength() < 1)
return;
AppendChild(new CFX_XMLText(wsText));
}
void CFX_XMLElement::Save(
const RetainPtr<CFX_SeekableStreamProxy>& pXMLStream) {
WideString ws(L"<");
ws += GetName();
pXMLStream->WriteString(ws.AsStringView());
for (auto it : GetAttributes()) {
pXMLStream->WriteString(
AttributeToString(it.first, it.second).AsStringView());
}
if (GetFirstChild()) {
ws = L"\n>";
pXMLStream->WriteString(ws.AsStringView());
for (CFX_XMLNode* pChild = GetFirstChild(); pChild;
pChild = pChild->GetNextSibling()) {
pChild->Save(pXMLStream);
}
ws = L"</";
ws += GetName();
ws += L"\n>";
} else {
ws = L"\n/>";
}
pXMLStream->WriteString(ws.AsStringView());
}
CFX_XMLElement* CFX_XMLElement::GetFirstChildNamed(
const WideStringView& name) const {
return GetNthChildNamed(name, 0);
}
CFX_XMLElement* CFX_XMLElement::GetNthChildNamed(const WideStringView& name,
size_t idx) const {
for (auto* child = GetFirstChild(); child; child = child->GetNextSibling()) {
if (child->GetType() != FX_XMLNODE_Element)
continue;
CFX_XMLElement* elem = static_cast<CFX_XMLElement*>(child);
if (elem->GetName() != name)
continue;
if (idx == 0)
return elem;
--idx;
}
return nullptr;
}
|
