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27b0c286 | 1 | ///////////////////////////////////////////////////////////////////////////// |
80fdcdb9 | 2 | // Name: wx/xml/xml.h |
27b0c286 VS |
3 | // Purpose: wxXmlDocument - XML parser & data holder class |
4 | // Author: Vaclav Slavik | |
5 | // Created: 2000/03/05 | |
6 | // RCS-ID: $Id$ | |
7 | // Copyright: (c) 2000 Vaclav Slavik | |
65571936 | 8 | // Licence: wxWindows licence |
27b0c286 VS |
9 | ///////////////////////////////////////////////////////////////////////////// |
10 | ||
11 | ||
27b0c286 VS |
12 | #ifndef _WX_XML_H_ |
13 | #define _WX_XML_H_ | |
14 | ||
27b0c286 VS |
15 | #include "wx/defs.h" |
16 | ||
17 | #if wxUSE_XML | |
18 | ||
19 | #include "wx/string.h" | |
20 | #include "wx/object.h" | |
21 | #include "wx/list.h" | |
ccec9093 | 22 | #include "wx/versioninfo.h" |
27b0c286 VS |
23 | |
24 | #ifdef WXMAKINGDLL_XML | |
25 | #define WXDLLIMPEXP_XML WXEXPORT | |
26 | #elif defined(WXUSINGDLL) | |
27 | #define WXDLLIMPEXP_XML WXIMPORT | |
28 | #else // not making nor using DLL | |
29 | #define WXDLLIMPEXP_XML | |
30 | #endif | |
31 | ||
b5dbe15d | 32 | class WXDLLIMPEXP_FWD_XML wxXmlNode; |
288b6107 | 33 | class WXDLLIMPEXP_FWD_XML wxXmlAttribute; |
b5dbe15d VS |
34 | class WXDLLIMPEXP_FWD_XML wxXmlDocument; |
35 | class WXDLLIMPEXP_FWD_XML wxXmlIOHandler; | |
36 | class WXDLLIMPEXP_FWD_BASE wxInputStream; | |
37 | class WXDLLIMPEXP_FWD_BASE wxOutputStream; | |
27b0c286 | 38 | |
27b0c286 VS |
39 | // Represents XML node type. |
40 | enum wxXmlNodeType | |
41 | { | |
42 | // note: values are synchronized with xmlElementType from libxml | |
43 | wxXML_ELEMENT_NODE = 1, | |
44 | wxXML_ATTRIBUTE_NODE = 2, | |
45 | wxXML_TEXT_NODE = 3, | |
46 | wxXML_CDATA_SECTION_NODE = 4, | |
47 | wxXML_ENTITY_REF_NODE = 5, | |
48 | wxXML_ENTITY_NODE = 6, | |
49 | wxXML_PI_NODE = 7, | |
50 | wxXML_COMMENT_NODE = 8, | |
51 | wxXML_DOCUMENT_NODE = 9, | |
52 | wxXML_DOCUMENT_TYPE_NODE = 10, | |
53 | wxXML_DOCUMENT_FRAG_NODE = 11, | |
54 | wxXML_NOTATION_NODE = 12, | |
55 | wxXML_HTML_DOCUMENT_NODE = 13 | |
56 | }; | |
57 | ||
58 | ||
59 | // Represents node property(ies). | |
60 | // Example: in <img src="hello.gif" id="3"/> "src" is property with value | |
61 | // "hello.gif" and "id" is prop. with value "3". | |
62 | ||
288b6107 | 63 | class WXDLLIMPEXP_XML wxXmlAttribute |
27b0c286 VS |
64 | { |
65 | public: | |
288b6107 VS |
66 | wxXmlAttribute() : m_next(NULL) {} |
67 | wxXmlAttribute(const wxString& name, const wxString& value, | |
68 | wxXmlAttribute *next = NULL) | |
27b0c286 | 69 | : m_name(name), m_value(value), m_next(next) {} |
288b6107 | 70 | virtual ~wxXmlAttribute() {} |
27b0c286 | 71 | |
2d55af1d JS |
72 | const wxString& GetName() const { return m_name; } |
73 | const wxString& GetValue() const { return m_value; } | |
288b6107 | 74 | wxXmlAttribute *GetNext() const { return m_next; } |
27b0c286 VS |
75 | |
76 | void SetName(const wxString& name) { m_name = name; } | |
77 | void SetValue(const wxString& value) { m_value = value; } | |
288b6107 | 78 | void SetNext(wxXmlAttribute *next) { m_next = next; } |
27b0c286 VS |
79 | |
80 | private: | |
81 | wxString m_name; | |
82 | wxString m_value; | |
288b6107 | 83 | wxXmlAttribute *m_next; |
27b0c286 VS |
84 | }; |
85 | ||
288b6107 VS |
86 | #if WXWIN_COMPATIBILITY_2_8 |
87 | // NB: #define is used instead of typedef so that forward declarations | |
88 | // continue to work | |
89 | #define wxXmlProperty wxXmlAttribute | |
90 | #endif | |
27b0c286 VS |
91 | |
92 | ||
288b6107 VS |
93 | // Represents node in XML document. Node has name and may have content and |
94 | // attributes. Most common node types are wxXML_TEXT_NODE (name and attributes | |
27b0c286 VS |
95 | // are irrelevant) and wxXML_ELEMENT_NODE (e.g. in <title>hi</title> there is |
96 | // element with name="title", irrelevant content and one child (wxXML_TEXT_NODE | |
97 | // with content="hi"). | |
98 | // | |
99 | // If wxUSE_UNICODE is 0, all strings are encoded in the encoding given to Load | |
100 | // (default is UTF-8). | |
101 | ||
102 | class WXDLLIMPEXP_XML wxXmlNode | |
103 | { | |
104 | public: | |
288b6107 | 105 | wxXmlNode() |
6e26d6b7 | 106 | : m_attrs(NULL), m_parent(NULL), m_children(NULL), m_next(NULL), |
30f6914b | 107 | m_lineNo(-1), m_noConversion(false) |
6e26d6b7 VS |
108 | { |
109 | } | |
110 | ||
4c43dd90 JS |
111 | wxXmlNode(wxXmlNode *parent, wxXmlNodeType type, |
112 | const wxString& name, const wxString& content = wxEmptyString, | |
6e26d6b7 VS |
113 | wxXmlAttribute *attrs = NULL, wxXmlNode *next = NULL, |
114 | int lineNo = -1); | |
115 | ||
4c43dd90 | 116 | virtual ~wxXmlNode(); |
27b0c286 | 117 | |
4c51a665 | 118 | // copy ctor & operator=. Note that this does NOT copy siblings |
27b0c286 VS |
119 | // and parent pointer, i.e. m_parent and m_next will be NULL |
120 | // after using copy ctor and are never unmodified by operator=. | |
288b6107 | 121 | // On the other hand, it DOES copy children and attributes. |
27b0c286 VS |
122 | wxXmlNode(const wxXmlNode& node); |
123 | wxXmlNode& operator=(const wxXmlNode& node); | |
124 | ||
125 | // user-friendly creation: | |
126 | wxXmlNode(wxXmlNodeType type, const wxString& name, | |
6e26d6b7 VS |
127 | const wxString& content = wxEmptyString, |
128 | int lineNo = -1); | |
4c43dd90 | 129 | virtual void AddChild(wxXmlNode *child); |
5e05df3c | 130 | virtual bool InsertChild(wxXmlNode *child, wxXmlNode *followingNode); |
43a302f2 | 131 | virtual bool InsertChildAfter(wxXmlNode *child, wxXmlNode *precedingNode); |
4c43dd90 | 132 | virtual bool RemoveChild(wxXmlNode *child); |
e13ce4a3 VZ |
133 | virtual void AddAttribute(const wxString& name, const wxString& value); |
134 | virtual bool DeleteAttribute(const wxString& name); | |
27b0c286 VS |
135 | |
136 | // access methods: | |
137 | wxXmlNodeType GetType() const { return m_type; } | |
12058e0c VS |
138 | const wxString& GetName() const { return m_name; } |
139 | const wxString& GetContent() const { return m_content; } | |
27b0c286 | 140 | |
538f3830 VS |
141 | bool IsWhitespaceOnly() const; |
142 | int GetDepth(wxXmlNode *grandparent = NULL) const; | |
143 | ||
4c43dd90 JS |
144 | // Gets node content from wxXML_ENTITY_NODE |
145 | // The problem is, <tag>content<tag> is represented as | |
146 | // wxXML_ENTITY_NODE name="tag", content="" | |
147 | // |-- wxXML_TEXT_NODE or | |
148 | // wxXML_CDATA_SECTION_NODE name="" content="content" | |
149 | wxString GetNodeContent() const; | |
150 | ||
27b0c286 VS |
151 | wxXmlNode *GetParent() const { return m_parent; } |
152 | wxXmlNode *GetNext() const { return m_next; } | |
153 | wxXmlNode *GetChildren() const { return m_children; } | |
154 | ||
288b6107 VS |
155 | wxXmlAttribute *GetAttributes() const { return m_attrs; } |
156 | bool GetAttribute(const wxString& attrName, wxString *value) const; | |
157 | wxString GetAttribute(const wxString& attrName, | |
b5cc5cbd | 158 | const wxString& defaultVal = wxEmptyString) const; |
288b6107 | 159 | bool HasAttribute(const wxString& attrName) const; |
27b0c286 | 160 | |
6e26d6b7 VS |
161 | int GetLineNumber() const { return m_lineNo; } |
162 | ||
27b0c286 VS |
163 | void SetType(wxXmlNodeType type) { m_type = type; } |
164 | void SetName(const wxString& name) { m_name = name; } | |
165 | void SetContent(const wxString& con) { m_content = con; } | |
166 | ||
167 | void SetParent(wxXmlNode *parent) { m_parent = parent; } | |
168 | void SetNext(wxXmlNode *next) { m_next = next; } | |
169 | void SetChildren(wxXmlNode *child) { m_children = child; } | |
170 | ||
288b6107 | 171 | void SetAttributes(wxXmlAttribute *attr) { m_attrs = attr; } |
e13ce4a3 | 172 | virtual void AddAttribute(wxXmlAttribute *attr); |
288b6107 | 173 | |
30f6914b JS |
174 | // If true, don't do encoding conversion to improve efficiency - node content is ACII text |
175 | bool GetNoConversion() const { return m_noConversion; } | |
176 | void SetNoConversion(bool noconversion) { m_noConversion = noconversion; } | |
177 | ||
288b6107 VS |
178 | #if WXWIN_COMPATIBILITY_2_8 |
179 | wxDEPRECATED( inline wxXmlAttribute *GetProperties() const ); | |
180 | wxDEPRECATED( inline bool GetPropVal(const wxString& propName, | |
181 | wxString *value) const ); | |
182 | wxDEPRECATED( inline wxString GetPropVal(const wxString& propName, | |
183 | const wxString& defaultVal) const ); | |
184 | wxDEPRECATED( inline bool HasProp(const wxString& propName) const ); | |
185 | ||
186 | wxDEPRECATED( inline void SetProperties(wxXmlAttribute *prop) ); | |
187 | #endif // WXWIN_COMPATIBILITY_2_8 | |
188 | ||
189 | // The following three functions are backward compatibility, but because | |
190 | // they were virtual, we must make it possible to override them. This | |
191 | // is done by calling e.g. AddProperty() from AddAttribute(), so we have | |
192 | // to keep AddProperty() even if 2.8 compatibility is off. To prevent | |
193 | // old code from compiling in that case, we make them private and | |
194 | // non-virtual. (This can be removed when WXWIN_COMPATIBILITY_2_8 is | |
195 | // removed, we'll have just *Attribute versions then.) | |
196 | #if WXWIN_COMPATIBILITY_2_8 | |
197 | wxDEPRECATED_BUT_USED_INTERNALLY( | |
198 | virtual void AddProperty(const wxString& name, const wxString& value) ); | |
199 | wxDEPRECATED_BUT_USED_INTERNALLY( | |
200 | virtual bool DeleteProperty(const wxString& name) ); | |
201 | wxDEPRECATED_BUT_USED_INTERNALLY( | |
202 | virtual void AddProperty(wxXmlAttribute *attr) ); | |
203 | #else | |
204 | private: | |
205 | void AddProperty(const wxString& name, const wxString& value); | |
206 | bool DeleteProperty(const wxString& name); | |
207 | void AddProperty(wxXmlAttribute *attr); | |
208 | #endif // WXWIN_COMPATIBILITY_2_8/!WXWIN_COMPATIBILITY_2_8 | |
27b0c286 VS |
209 | |
210 | private: | |
211 | wxXmlNodeType m_type; | |
212 | wxString m_name; | |
213 | wxString m_content; | |
288b6107 | 214 | wxXmlAttribute *m_attrs; |
27b0c286 | 215 | wxXmlNode *m_parent, *m_children, *m_next; |
b5cc5cbd | 216 | int m_lineNo; // line number in original file, or -1 |
30f6914b | 217 | bool m_noConversion; // don't do encoding conversion - node is plain text |
27b0c286 | 218 | |
0b3e395a | 219 | void DoFree(); |
27b0c286 VS |
220 | void DoCopy(const wxXmlNode& node); |
221 | }; | |
222 | ||
288b6107 VS |
223 | #if WXWIN_COMPATIBILITY_2_8 |
224 | inline wxXmlAttribute *wxXmlNode::GetProperties() const | |
225 | { return GetAttributes(); } | |
226 | inline bool wxXmlNode::GetPropVal(const wxString& propName, | |
227 | wxString *value) const | |
228 | { return GetAttribute(propName, value); } | |
229 | inline wxString wxXmlNode::GetPropVal(const wxString& propName, | |
230 | const wxString& defaultVal) const | |
231 | { return GetAttribute(propName, defaultVal); } | |
232 | inline bool wxXmlNode::HasProp(const wxString& propName) const | |
233 | { return HasAttribute(propName); } | |
234 | inline void wxXmlNode::SetProperties(wxXmlAttribute *prop) | |
235 | { SetAttributes(prop); } | |
236 | #endif // WXWIN_COMPATIBILITY_2_8 | |
237 | ||
27b0c286 VS |
238 | |
239 | ||
538f3830 VS |
240 | // special indentation value for wxXmlDocument::Save |
241 | #define wxXML_NO_INDENTATION (-1) | |
27b0c286 | 242 | |
538f3830 VS |
243 | // flags for wxXmlDocument::Load |
244 | enum wxXmlDocumentLoadFlag | |
245 | { | |
246 | wxXMLDOC_NONE = 0, | |
247 | wxXMLDOC_KEEP_WHITESPACE_NODES = 1 | |
248 | }; | |
27b0c286 VS |
249 | |
250 | ||
251 | // This class holds XML data/document as parsed by XML parser. | |
252 | ||
253 | class WXDLLIMPEXP_XML wxXmlDocument : public wxObject | |
254 | { | |
255 | public: | |
256 | wxXmlDocument(); | |
257 | wxXmlDocument(const wxString& filename, | |
258 | const wxString& encoding = wxT("UTF-8")); | |
259 | wxXmlDocument(wxInputStream& stream, | |
260 | const wxString& encoding = wxT("UTF-8")); | |
cee8636e | 261 | virtual ~wxXmlDocument() { wxDELETE(m_docNode); } |
27b0c286 VS |
262 | |
263 | wxXmlDocument(const wxXmlDocument& doc); | |
264 | wxXmlDocument& operator=(const wxXmlDocument& doc); | |
265 | ||
266 | // Parses .xml file and loads data. Returns TRUE on success, FALSE | |
267 | // otherwise. | |
4c43dd90 | 268 | virtual bool Load(const wxString& filename, |
538f3830 | 269 | const wxString& encoding = wxT("UTF-8"), int flags = wxXMLDOC_NONE); |
4c43dd90 | 270 | virtual bool Load(wxInputStream& stream, |
538f3830 | 271 | const wxString& encoding = wxT("UTF-8"), int flags = wxXMLDOC_NONE); |
b5cc5cbd | 272 | |
27b0c286 | 273 | // Saves document as .xml file. |
57cc93eb VS |
274 | virtual bool Save(const wxString& filename, int indentstep = 2) const; |
275 | virtual bool Save(wxOutputStream& stream, int indentstep = 2) const; | |
27b0c286 | 276 | |
cee8636e | 277 | bool IsOk() const { return GetRoot() != NULL; } |
27b0c286 VS |
278 | |
279 | // Returns root node of the document. | |
cee8636e VZ |
280 | wxXmlNode *GetRoot() const; |
281 | // Returns the document node. | |
282 | wxXmlNode *GetDocumentNode() const { return m_docNode; } | |
283 | ||
27b0c286 VS |
284 | |
285 | // Returns version of document (may be empty). | |
12058e0c | 286 | const wxString& GetVersion() const { return m_version; } |
27b0c286 VS |
287 | // Returns encoding of document (may be empty). |
288 | // Note: this is the encoding original file was saved in, *not* the | |
289 | // encoding of in-memory representation! | |
12058e0c | 290 | const wxString& GetFileEncoding() const { return m_fileEncoding; } |
27b0c286 VS |
291 | |
292 | // Write-access methods: | |
cee8636e VZ |
293 | wxXmlNode *DetachDocumentNode() { wxXmlNode *old=m_docNode; m_docNode=NULL; return old; } |
294 | void SetDocumentNode(wxXmlNode *node) { wxDELETE(m_docNode); m_docNode = node; } | |
295 | wxXmlNode *DetachRoot(); | |
296 | void SetRoot(wxXmlNode *node); | |
27b0c286 VS |
297 | void SetVersion(const wxString& version) { m_version = version; } |
298 | void SetFileEncoding(const wxString& encoding) { m_fileEncoding = encoding; } | |
cee8636e | 299 | void AppendToProlog(wxXmlNode *node); |
27b0c286 VS |
300 | |
301 | #if !wxUSE_UNICODE | |
302 | // Returns encoding of in-memory representation of the document | |
303 | // (same as passed to Load or ctor, defaults to UTF-8). | |
304 | // NB: this is meaningless in Unicode build where data are stored as wchar_t* | |
305 | wxString GetEncoding() const { return m_encoding; } | |
306 | void SetEncoding(const wxString& enc) { m_encoding = enc; } | |
307 | #endif | |
308 | ||
ccec9093 VZ |
309 | static wxVersionInfo GetLibraryVersionInfo(); |
310 | ||
27b0c286 VS |
311 | private: |
312 | wxString m_version; | |
313 | wxString m_fileEncoding; | |
314 | #if !wxUSE_UNICODE | |
315 | wxString m_encoding; | |
316 | #endif | |
cee8636e | 317 | wxXmlNode *m_docNode; |
27b0c286 VS |
318 | |
319 | void DoCopy(const wxXmlDocument& doc); | |
4c43dd90 JS |
320 | |
321 | DECLARE_CLASS(wxXmlDocument) | |
27b0c286 VS |
322 | }; |
323 | ||
324 | #endif // wxUSE_XML | |
325 | ||
326 | #endif // _WX_XML_H_ |