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cpl_minixml.h
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1 /**********************************************************************
2 * $Id$
3 *
4 * Project: CPL - Common Portability Library
5 * Purpose: Declarations for MiniXML Handler.
6 * Author: Frank Warmerdam, warmerdam@pobox.com
7 *
8 **********************************************************************
9 * Copyright (c) 2001, Frank Warmerdam
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 * DEALINGS IN THE SOFTWARE.
28 ****************************************************************************/
29
30 #ifndef CPL_MINIXML_H_INCLUDED
31 #define CPL_MINIXML_H_INCLUDED
32
33 #include "cpl_port.h"
34
41 CPL_C_START
42
44 typedef enum
45 { CXT_Element = 0, CXT_Text = 1, CXT_Attribute = 2, CXT_Comment = 3, CXT_Literal = 4
51 } CPLXMLNodeType;
52
54 typedef struct CPLXMLNode CPLXMLNode;
69 struct CPLXMLNode
70 {
77 CPLXMLNodeType eType;
78
100 char *pszValue;
101
109 struct CPLXMLNode *psNext;
110
121 struct CPLXMLNode *psChild;
122 };
123
124 CPLXMLNode CPL_DLL *CPLParseXMLString( const char * );
125 void CPL_DLL CPLDestroyXMLNode( CPLXMLNode * );
126 CPLXMLNode CPL_DLL *CPLGetXMLNode( CPLXMLNode *poRoot,
127 const char *pszPath );
128 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
129
130 extern "C++"
131 {
132 inline const CPLXMLNode *CPLGetXMLNode( const CPLXMLNode *poRoot,
133 const char *pszPath ) {
134 return const_cast<const CPLXMLNode*>(CPLGetXMLNode(
135 const_cast<CPLXMLNode*>(poRoot), pszPath));
136 }
137 }
139 #endif
140 CPLXMLNode CPL_DLL *CPLSearchXMLNode( CPLXMLNode *poRoot,
141 const char *pszTarget );
142 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
143
144 extern "C++"
145 {
146 inline const CPLXMLNode *CPLSearchXMLNode( const CPLXMLNode *poRoot,
147 const char *pszTarget ) {
148 return const_cast<const CPLXMLNode*>(CPLSearchXMLNode(
149 const_cast<CPLXMLNode*>(poRoot), pszTarget));
150 }
151 }
153 #endif
154 const char CPL_DLL *CPLGetXMLValue( const CPLXMLNode *poRoot,
155 const char *pszPath,
156 const char *pszDefault );
157 CPLXMLNode CPL_DLL *CPLCreateXMLNode( CPLXMLNode *poParent,
158 CPLXMLNodeType eType,
159 const char *pszText );
160 char CPL_DLL *CPLSerializeXMLTree( const CPLXMLNode *psNode );
161 void CPL_DLL CPLAddXMLChild( CPLXMLNode *psParent,
162 CPLXMLNode *psChild );
163 int CPL_DLL CPLRemoveXMLChild( CPLXMLNode *psParent,
164 CPLXMLNode *psChild );
165 void CPL_DLL CPLAddXMLSibling( CPLXMLNode *psOlderSibling,
166 CPLXMLNode *psNewSibling );
167 CPLXMLNode CPL_DLL *CPLCreateXMLElementAndValue( CPLXMLNode *psParent,
168 const char *pszName,
169 const char *pszValue );
170 void CPL_DLL CPLAddXMLAttributeAndValue( CPLXMLNode *psParent,
171 const char *pszName,
172 const char *pszValue );
173 CPLXMLNode CPL_DLL *CPLCloneXMLTree( const CPLXMLNode *psTree );
174 int CPL_DLL CPLSetXMLValue( CPLXMLNode *psRoot, const char *pszPath,
175 const char *pszValue );
176 void CPL_DLL CPLStripXMLNamespace( CPLXMLNode *psRoot,
177 const char *pszNameSpace,
178 int bRecurse );
179 void CPL_DLL CPLCleanXMLElementName( char * );
180
181 CPLXMLNode CPL_DLL *CPLParseXMLFile( const char *pszFilename );
182 int CPL_DLL CPLSerializeXMLTreeToFile( const CPLXMLNode *psTree,
183 const char *pszFilename );
184
185 CPL_C_END
186
187 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
188
189 extern "C++"
190 {
191 #ifndef DOXYGEN_SKIP
192 #include <memory>
193 #endif
194
196 struct CPL_DLL CPLXMLTreeCloserDeleter
197 {
198 void operator()(CPLXMLNode* psNode) const { CPLDestroyXMLNode(psNode); }
199 };
205 class CPL_DLL CPLXMLTreeCloser: public std::unique_ptr<CPLXMLNode, CPLXMLTreeCloserDeleter>
206 {
207 public:
209 explicit CPLXMLTreeCloser(CPLXMLNode* data):
210 std::unique_ptr<CPLXMLNode, CPLXMLTreeCloserDeleter>(data) {}
211
214 CPLXMLNode* getDocumentElement();
215 };
216
217 } // extern "C++"
218
219 #endif /* __cplusplus */
220
221 #endif /* CPL_MINIXML_H_INCLUDED */
CXT_Element
@ CXT_Element
Definition: cpl_minixml.h:46
CPLRemoveXMLChild
int CPLRemoveXMLChild(CPLXMLNode *psParent, CPLXMLNode *psChild)
Remove child node from parent.
Definition: cpl_minixml.cpp:1774
CPLParseXMLFile
CPLXMLNode * CPLParseXMLFile(const char *pszFilename)
Parse XML file into tree.
Definition: cpl_minixml.cpp:2143
CPLSetXMLValue
int CPLSetXMLValue(CPLXMLNode *psRoot, const char *pszPath, const char *pszValue)
Set element value by path.
Definition: cpl_minixml.cpp:1981
CPLCleanXMLElementName
void CPLCleanXMLElementName(char *)
Make string into safe XML token.
Definition: cpl_minixml.cpp:2252
CXT_Comment
@ CXT_Comment
Definition: cpl_minixml.h:49
CPLSearchXMLNode
CPLXMLNode * CPLSearchXMLNode(CPLXMLNode *poRoot, const char *pszTarget)
Search for a node in document.
Definition: cpl_minixml.cpp:1470
CPLParseXMLString
CPLXMLNode * CPLParseXMLString(const char *)
Parse an XML string into tree form.
Definition: cpl_minixml.cpp:615
CXT_Text
@ CXT_Text
Definition: cpl_minixml.h:47
CPLXMLNode
Document node structure.
Definition: cpl_minixml.h:69
CPLXMLTreeCloser::CPLXMLTreeCloser
CPLXMLTreeCloser(CPLXMLNode *data)
Constructor.
Definition: cpl_minixml.h:209
CPLXMLNodeType
CPLXMLNodeType
XML node type.
Definition: cpl_minixml.h:44
CXT_Literal
@ CXT_Literal
Definition: cpl_minixml.h:50
CPL_C_START
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:301
CPLCloneXMLTree
CPLXMLNode * CPLCloneXMLTree(const CPLXMLNode *psTree)
Copy tree.
Definition: cpl_minixml.cpp:1926
CPLSerializeXMLTree
char * CPLSerializeXMLTree(const CPLXMLNode *psNode)
Convert tree into string document.
Definition: cpl_minixml.cpp:1261
CPLAddXMLAttributeAndValue
void CPLAddXMLAttributeAndValue(CPLXMLNode *psParent, const char *pszName, const char *pszValue)
Create an attribute and text value.
Definition: cpl_minixml.cpp:1902
CPLXMLTreeCloser
Manage a tree of XML nodes so that all nodes are freed when the instance goes out of scope.
Definition: cpl_minixml.h:205
CPLGetXMLNode
CPLXMLNode * CPLGetXMLNode(CPLXMLNode *poRoot, const char *pszPath)
Find node by path.
Definition: cpl_minixml.cpp:1559
CPLSerializeXMLTreeToFile
int CPLSerializeXMLTreeToFile(const CPLXMLNode *psTree, const char *pszFilename)
Write document tree to a file.
Definition: cpl_minixml.cpp:2181
CPLXMLNode::eType
CPLXMLNodeType eType
Node type.
Definition: cpl_minixml.h:77
CPLDestroyXMLNode
void CPLDestroyXMLNode(CPLXMLNode *)
Destroy a tree.
Definition: cpl_minixml.cpp:1414
CPL_C_END
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:303
CPLAddXMLChild
void CPLAddXMLChild(CPLXMLNode *psParent, CPLXMLNode *psChild)
Add child node to parent.
Definition: cpl_minixml.cpp:1718
CPLGetXMLValue
const char * CPLGetXMLValue(const CPLXMLNode *poRoot, const char *pszPath, const char *pszDefault)
Fetch element/attribute value.
Definition: cpl_minixml.cpp:1656
CXT_Attribute
@ CXT_Attribute
Definition: cpl_minixml.h:48
CPLCreateXMLNode
CPLXMLNode * CPLCreateXMLNode(CPLXMLNode *poParent, CPLXMLNodeType eType, const char *pszText)
Create an document tree item.
Definition: cpl_minixml.cpp:1306
CPLStripXMLNamespace
void CPLStripXMLNamespace(CPLXMLNode *psRoot, const char *pszNameSpace, int bRecurse)
Strip indicated namespaces.
Definition: cpl_minixml.cpp:2073
CPLXMLNode::psNext
struct CPLXMLNode * psNext
Next sibling.
Definition: cpl_minixml.h:109
cpl_port.h
CPLCreateXMLElementAndValue
CPLXMLNode * CPLCreateXMLElementAndValue(CPLXMLNode *psParent, const char *pszName, const char *pszValue)
Create an element and text value.
Definition: cpl_minixml.cpp:1863
CPLXMLNode::pszValue
char * pszValue
Node value.
Definition: cpl_minixml.h:100
CPLXMLNode::psChild
struct CPLXMLNode * psChild
Child node.
Definition: cpl_minixml.h:121
CPLAddXMLSibling
void CPLAddXMLSibling(CPLXMLNode *psOlderSibling, CPLXMLNode *psNewSibling)
Add new sibling.
Definition: cpl_minixml.cpp:1820