remove C++ comment

[wxWidgets.git] / docs / latex / wx / xmldocument.tex

diff --git a/docs/latex/wx/xmldocument.tex b/docs/latex/wx/xmldocument.tex
index c99bdae67c66e341aa95a6332681a4d5a7446b8a..94574c9e0a31d855b632511eae68364cc3bc9146 100644 (file)
--- a/docs/latex/wx/xmldocument.tex
+++ b/docs/latex/wx/xmldocument.tex
@@ -1,5 +1,5 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

-%% Name:        xmlnode.tex
+%% Name:        xmldocument.tex

 %% Purpose:     wxXmlDocument documentation
 %% Author:      Francesco Montorsi
 %% Created:     2006-04-18
 %% Purpose:     wxXmlDocument documentation
 %% Author:      Francesco Montorsi
 %% Created:     2006-04-18


@@ -18,7 +18,7 @@ A simple example of using XML classes is:
 
 \begin{verbatim}
 wxXmlDocument doc;
 
 \begin{verbatim}
 wxXmlDocument doc;

-if (!doc.Load(wxT("myfile.xml"))
+if (!doc.Load(wxT("myfile.xml")))

     return false;
 
 // start processing the XML file
     return false;
 
 // start processing the XML file


@@ -36,9 +36,13 @@ while (child) {
         ...
 
 
         ...
 
 

-        // process properties of <tag1>
-        wxString propvalue1 = child->GetPropVal(wxT("prop1"), wxT("default-value"));
-        wxString propvalue2 = child->GetPropVal(wxT("prop2"), wxT("default-value"));
+        // process attributes of <tag1>
+        wxString attrvalue1 = 
+            child->GetAttribute(wxT("attr1"), 
+                              wxT("default-value"));
+        wxString attrvalue2 = 
+            child->GetAttribute(wxT("attr2"), 
+                              wxT("default-value"));

 
         ...
 
 
         ...
 


@@ -51,6 +55,25 @@ while (child) {
 }
 \end{verbatim}
 
 }
 \end{verbatim}
 

+{\bf Note:} if you want to preserve the original formatting of the loaded file including whitespaces
+and indentation, you need to turn off whitespace-only textnode removal and automatic indentation:
+
+\begin{verbatim}
+wxXmlDocument doc;
+doc.Load(wxT("myfile.xml"), wxT("UTF-8"), wxXMLDOC_KEEP_WHITESPACE_NODES);
+
+// myfile2.xml will be indentic to myfile.xml saving it this way:
+doc.Save(wxT("myfile2.xml"), wxXML_NO_INDENTATION);
+\end{verbatim}
+
+Using default parameters, you will get a reformatted document which in general is different from
+the original loaded content:
+
+\begin{verbatim}
+wxXmlDocument doc;
+doc.Load(wxT("myfile.xml"));
+doc.Save(wxT("myfile2.xml"));  // myfile2.xml != myfile.xml
+\end{verbatim}

 
 
 \wxheading{Derived from}
 
 
 \wxheading{Derived from}


@@ -61,30 +84,36 @@ while (child) {
 
 <wx/xml/xml.h>
 
 
 <wx/xml/xml.h>
 

+\wxheading{Library}
+
+\helpref{wxXml}{librarieslist}
+

 \wxheading{See also}
 
 \wxheading{See also}
 

-\helpref{wxXmlNode}{wxxmlnode}, \helpref{wxXmlProperty}{wxxmlproperty}
+\helpref{wxXmlNode}{wxxmlnode}, \helpref{wxXmlAttribute}{wxxmlattribute}

 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 

+

 \membersection{wxXmlDocument::wxXmlDocument}\label{wxxmldocumentwxxmldocument}
 
 \func{}{wxXmlDocument}{\void}
 
 
 \membersection{wxXmlDocument::wxXmlDocument}\label{wxxmldocumentwxxmldocument}
 
 \func{}{wxXmlDocument}{\void}
 
 

-\func{}{wxXmlDocument}{\param{const wxString\& }{filename}, \param{const wxString\& }{encoding = wxT("UTF-8")}}
+\func{}{wxXmlDocument}{\param{const wxString\& }{filename}, \param{const wxString\& }{encoding = wxT("UTF-8")}, \param{int }{flags = wxXMLDOC\_NONE}}

 
 

-Loads the given {\it filename} using the given encoding. See \helpref{Load()}{wxxmldocumentload}.
+Loads the given {\it filename} using the given encoding. See \helpref{Load}{wxxmldocumentload}.

 
 

-\func{}{wxXmlDocument}{\param{wxInputStream\& }{stream}, \param{const wxString\& }{encoding = wxT("UTF-8")}}
+\func{}{wxXmlDocument}{\param{wxInputStream\& }{stream}, \param{const wxString\& }{encoding = wxT("UTF-8")}, \param{int }{flags = wxXMLDOC\_NONE}}

 
 

-Loads the XML document from given stream using the given encoding. See \helpref{Load()}{wxxmldocumentload}.
+Loads the XML document from given stream using the given encoding. See \helpref{Load}{wxxmldocumentload}.

 
 \func{}{wxXmlDocument}{\param{const wxXmlDocument\& }{doc}}
 
 
 \func{}{wxXmlDocument}{\param{const wxXmlDocument\& }{doc}}
 

-Copy constructor.
+Copy constructor. Deep copies all the XML tree of the given document.
+

 
 \membersection{wxXmlDocument::\destruct{wxXmlDocument}}\label{wxxmldocumentdtor}
 
 
 \membersection{wxXmlDocument::\destruct{wxXmlDocument}}\label{wxxmldocumentdtor}
 


@@ -93,6 +122,7 @@ Copy constructor.
 Virtual destructor. Frees the document root node.
 
 
 Virtual destructor. Frees the document root node.
 
 

+

 \membersection{wxXmlDocument::DetachRoot}\label{wxxmldocumentdetachroot}
 
 \func{wxXmlNode*}{DetachRoot}{\void}
 \membersection{wxXmlDocument::DetachRoot}\label{wxxmldocumentdetachroot}
 
 \func{wxXmlNode*}{DetachRoot}{\void}


@@ -103,14 +133,16 @@ and thus \helpref{IsOk}{wxxmldocumentisok} will return \false after calling this
 Note that the caller is reponsible for deleting the returned node in order to avoid memory leaks.
 
 
 Note that the caller is reponsible for deleting the returned node in order to avoid memory leaks.
 
 

+

 \membersection{wxXmlDocument::GetEncoding}\label{wxxmldocumentgetencoding}
 
 \constfunc{wxString}{GetEncoding}{\void}
 
 Returns encoding of in-memory representation of the document
 \membersection{wxXmlDocument::GetEncoding}\label{wxxmldocumentgetencoding}
 
 \constfunc{wxString}{GetEncoding}{\void}
 
 Returns encoding of in-memory representation of the document

-(same as passed to \helpref{Load()}{wxxmldocumentload} or constructor, defaults to UTF-8).
+(same as passed to \helpref{Load}{wxxmldocumentload} or constructor, defaults to UTF-8).
+
+NB: this is meaningless in Unicode build where data are stored as {\tt wchar\_t*}.

 
 

-NB: this is meaningless in Unicode build where data are stored as wchar\_t*.

 
 
 \membersection{wxXmlDocument::GetFileEncoding}\label{wxxmldocumentgetfileencoding}
 
 
 \membersection{wxXmlDocument::GetFileEncoding}\label{wxxmldocumentgetfileencoding}


@@ -119,10 +151,11 @@ NB: this is meaningless in Unicode build where data are stored as wchar\_t*.
 
 Returns encoding of document (may be empty).
 
 
 Returns encoding of document (may be empty).
 

-Note: this is the encoding original file was saved in, *not* the
+Note: this is the encoding original file was saved in, {\bf not} the

 encoding of in-memory representation!
 
 
 encoding of in-memory representation!
 
 

+

 \membersection{wxXmlDocument::GetRoot}\label{wxxmldocumentgetroot}
 
 \constfunc{wxXmlNode*}{GetRoot}{\void}
 \membersection{wxXmlDocument::GetRoot}\label{wxxmldocumentgetroot}
 
 \constfunc{wxXmlNode*}{GetRoot}{\void}


@@ -130,16 +163,18 @@ encoding of in-memory representation!
 Returns the root node of the document.
 
 
 Returns the root node of the document.
 
 

+

 \membersection{wxXmlDocument::GetVersion}\label{wxxmldocumentgetversion}
 
 \constfunc{wxString}{GetVersion}{\void}
 
 Returns the version of document.
 This is the value in the {\tt <?xml version="1.0"?>} header of the XML document.
 \membersection{wxXmlDocument::GetVersion}\label{wxxmldocumentgetversion}
 
 \constfunc{wxString}{GetVersion}{\void}
 
 Returns the version of document.
 This is the value in the {\tt <?xml version="1.0"?>} header of the XML document.

-If the version property was not explicitely given in the header, this function
+If the version attribute was not explicitely given in the header, this function

 returns an empty string.
 
 
 returns an empty string.
 
 

+

 \membersection{wxXmlDocument::IsOk}\label{wxxmldocumentisok}
 
 \constfunc{bool}{IsOk}{\void}
 \membersection{wxXmlDocument::IsOk}\label{wxxmldocumentisok}
 
 \constfunc{bool}{IsOk}{\void}


@@ -147,25 +182,41 @@ returns an empty string.
 Returns \true if the document has been loaded successfully.
 
 
 Returns \true if the document has been loaded successfully.
 
 

+

 \membersection{wxXmlDocument::Load}\label{wxxmldocumentload}
 
 \membersection{wxXmlDocument::Load}\label{wxxmldocumentload}
 

-\func{bool}{Load}{\param{const wxString\& }{filename}, \param{const wxString\& }{encoding = wxT("UTF-8")}}
+\func{bool}{Load}{\param{const wxString\& }{filename}, \param{const wxString\& }{encoding = wxT("UTF-8")}, \param{int }{flags = wxXMLDOC\_NONE}}
+
+Parses {\it filename} as an xml document and loads its data.
+
+If {\tt flags} does not contain {\tt wxXMLDOC\_KEEP\_WHITESPACE\_NODES}, then, while loading, all nodes of
+type {\tt wxXML\_TEXT\_NODE} (see \helpref{wxXmlNode}{wxxmlnode}) are automatically skipped if they
+contain whitespaces only.
+The removal of these nodes makes the load process slightly faster and requires less memory however
+makes impossible to recreate exactly the loaded text with a \helpref{Save}{wxxmldocumentsave} call later.
+Read the initial description of this class for more info.

 
 

-Parses {\it filename} as an xml document and loads data. Returns \true on success, \false otherwise.
+Returns \true on success, \false otherwise.

 
 

-\func{bool}{Load}{\param{wxInputStream\& }{stream}, \param{const wxString\& }{encoding = wxT("UTF-8")}}
+\func{bool}{Load}{\param{wxInputStream\& }{stream}, \param{const wxString\& }{encoding = wxT("UTF-8")}, \param{int }{flags = wxXMLDOC\_NONE}}

 
 Like above but takes the data from given input stream.
 
 
 Like above but takes the data from given input stream.
 

+

 \membersection{wxXmlDocument::Save}\label{wxxmldocumentsave}
 
 \membersection{wxXmlDocument::Save}\label{wxxmldocumentsave}
 

-\constfunc{bool}{Save}{\param{const wxString\& }{filename}}
+\constfunc{bool}{Save}{\param{const wxString\& }{filename}, \param{int }{indentstep = 1}}

 
 Saves XML tree creating a file named with given string.
 
 
 Saves XML tree creating a file named with given string.
 

-\constfunc{bool}{Save}{\param{wxOutputStream\& }{stream}}
+If {\tt indentstep} is greater than or equal to zero, then, while saving, an automatic indentation
+is added with steps composed by {\tt indentstep} spaces.
+If {\tt indentstep} is {\tt wxXML\_NO\_INDENTATION}, then, automatic indentation is turned off.
+
+\constfunc{bool}{Save}{\param{wxOutputStream\& }{stream}, \param{int }{indentstep = 1}}
+
+Saves XML tree in the given output stream. See other overload for a description of {\tt indentstep}.

 
 

-Saves XML tree in the given output stream.

 
 \membersection{wxXmlDocument::SetEncoding}\label{wxxmldocumentsetencoding}
 
 
 \membersection{wxXmlDocument::SetEncoding}\label{wxxmldocumentsetencoding}
 


@@ -173,19 +224,23 @@ Saves XML tree in the given output stream.
 
 Sets the enconding of the document.
 
 
 Sets the enconding of the document.
 

+

 \membersection{wxXmlDocument::SetFileEncoding}\label{wxxmldocumentsetfileencoding}
 
 \func{void}{SetFileEncoding}{\param{const wxString\& }{encoding}}
 
 Sets the enconding of the file which will be used to save the document.
 
 \membersection{wxXmlDocument::SetFileEncoding}\label{wxxmldocumentsetfileencoding}
 
 \func{void}{SetFileEncoding}{\param{const wxString\& }{encoding}}
 
 Sets the enconding of the file which will be used to save the document.
 

+

 \membersection{wxXmlDocument::SetRoot}\label{wxxmldocumentsetroot}
 
 \func{void}{SetRoot}{\param{wxXmlNode* }{node}}
 
 Sets the root node of this document. Deletes previous root node.
 \membersection{wxXmlDocument::SetRoot}\label{wxxmldocumentsetroot}
 
 \func{void}{SetRoot}{\param{wxXmlNode* }{node}}
 
 Sets the root node of this document. Deletes previous root node.

-Use \helpref{DetachRoot}{wxxmlnodedetachroot} and then SetRoot if you want to
-replace the root node without deleting the old document tree.
+Use \helpref{DetachRoot}{wxxmldocumentdetachroot} and then 
+\helpref{SetRoot}{wxxmldocumentsetroot} if you want
+to replace the root node without deleting the old document tree.
+

 
 \membersection{wxXmlDocument::SetVersion}\label{wxxmldocumentsetversion}
 
 
 \membersection{wxXmlDocument::SetVersion}\label{wxxmldocumentsetversion}
 


@@ -193,9 +248,10 @@ replace the root node without deleting the old document tree.
 
 Sets the version of the XML file which will be used to save the document.
 
 
 Sets the version of the XML file which will be used to save the document.
 

+

 \membersection{wxXmlDocument::operator=}\label{wxxmldocumentoperatorassign}
 
 \func{wxXmlDocument\& operator}{operator=}{\param{const wxXmlDocument\& }{doc}}
 
 \membersection{wxXmlDocument::operator=}\label{wxxmldocumentoperatorassign}
 
 \func{wxXmlDocument\& operator}{operator=}{\param{const wxXmlDocument\& }{doc}}
 

-Copies the given document.
+Deep copies the given document.