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3% htmltag.tex at 14/Mar/99 20:13:37
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5
6\section{\class{wxHtmlTag}}\label{wxhtmltag}
7
8This class represents a single HTML tag.
9It is used by \helpref{tag handlers}{handlers}.
10
11\wxheading{Derived from}
12
13wxObject
14
15\latexignore{\rtfignore{\wxheading{Members}}}
16
17\membersection{wxHtmlTag::wxHtmlTag}\label{wxhtmltagwxhtmltag}
18
19\func{}{wxHtmlTag}{\param{const wxString\& }{source}, \param{int }{pos}, \param{int }{end\_pos}, \param{wxHtmlTagsCache* }{cache}}
20
21Constructor. You'll probably never have to construct a wxHtmlTag object
22yourself. Feel free to ignore the constructor parameters.
23Have a look at lib/htmlparser.cpp if you're interested in creating it.
24
25\membersection{wxHtmlTag::GetAllParams}\label{wxhtmltaggetallparams}
26
27\constfunc{const wxString\&}{GetAllParams}{\void}
28
29Returns string with all params.
30
31Example : tag contains {\tt <FONT SIZE=+2 COLOR="\#000000">}. Call to
32tag.GetAllParams() would return {\tt SIZE=+2 COLOR="\#000000"}.
33
34\membersection{wxHtmlTag::GetBeginPos}\label{wxhtmltaggetbeginpos}
35
36\constfunc{int}{GetBeginPos}{\void}
37
38Returns beginning position of the text {\it between} this tag and paired
39ending tag.
40See explanation (returned position is marked with '^'):
41
42\begin{verbatim}
43bla bla bla <MYTAG> bla bla intenal text</MYTAG> bla bla
44 ^
45\end{verbatim}
46
47\membersection{wxHtmlTag::GetEndPos1}\label{wxhtmltaggetendpos1}
48
49\constfunc{int}{GetEndPos1}{\void}
50
51Returns ending position of the text {\it between} this tag and paired
52ending tag.
53See explanation (returned position is marked with '^'):
54
55\begin{verbatim}
56bla bla bla <MYTAG> bla bla intenal text</MYTAG> bla bla
57 ^
58\end{verbatim}
59
60\membersection{wxHtmlTag::GetEndPos2}\label{wxhtmltaggetendpos2}
61
62\constfunc{int}{GetEndPos2}{\void}
63
64Returns ending position 2 of the text {\it between} this tag and paired
65ending tag.
66See explanation (returned position is marked with '^'):
67
68\begin{verbatim}
69bla bla bla <MYTAG> bla bla intenal text</MYTAG> bla bla
70 ^
71\end{verbatim}
72
73\membersection{wxHtmlTag::GetName}\label{wxhtmltaggetname}
74
75\constfunc{wxString}{GetName}{\void}
76
77Returns tag's name. The name is always in uppercase and it doesn't contain
78'<' or '/' characters. (So the name of {\tt <FONT SIZE=+2>} tag is "FONT"
79and name of {\tt </table>} is "TABLE")
80
81\membersection{wxHtmlTag::GetParam}\label{wxhtmltaggetparam}
82
83\constfunc{wxString}{GetParam}{\param{const wxString\& }{par}, \param{bool }{with\_commas = FALSE}}
84
85Retuns the value of the parameter. You should check whether the
86param exists or not (use \helpref{HasParam}{wxhtmltaghasparam}) first.
87
88\wxheading{Parameters}
89
90\docparam{par}{The parameter's name in uppercase}
91
92\docparam{with\_commas}{TRUE if you want to get commas as well. See example.}
93
94\wxheading{Example}
95
96\begin{verbatim}
97...
98/* you have wxHtmlTag variable tag which is equal to
99 HTML tag <FONT SIZE=+2 COLOR="#0000FF"> */
100dummy = tag.GetParam("SIZE");
101 // dummy == "+2"
102dummy = tag.GetParam("COLOR");
103 // dummy == "#0000FF"
104dummy = tag.GetParam("COLOR", TRUE);
105 // dummy == "\"#0000FF\"" -- see the difference!!
106\end{verbatim}
107
108\membersection{wxHtmlTag::HasEnding}\label{wxhtmltaghasending}
109
110\constfunc{bool}{HasEnding}{\void}
111
112Returns TRUE if this tag is paired with ending tag, FALSE otherwise.
113
114See the example of HTML document:
115
116\begin{verbatim}
117<html><body>
118Hello<p>
119How are you?
120<p align=center>This is centered...</p>
121Oops<br>Oooops!
122</body></html>
123\end{verbatim}
124
125In this example tags HTML and BODY have ending tags, first P and BR
126doesn't have ending tag while the second P has. The third P tag (which
127is ending itself) of course doesn't have ending tag.
128
129\membersection{wxHtmlTag::HasParam}\label{wxhtmltaghasparam}
130
131\constfunc{bool}{HasParam}{\param{const wxString\& }{par}}
132
133Returns TRUE if the tag has parameter of the given name.
134Example : {\tt <FONT SIZE=+2 COLOR="\#FF00FF">} has two parameters named
135"SIZE" and "COLOR".
136
137\wxheading{Parameters}
138
139\docparam{par}{the parameter you're looking for. It must {\it always} be in uppercase!}
140
141\membersection{wxHtmlTag::IsEnding}\label{wxhtmltagisending}
142
143\constfunc{bool}{IsEnding}{\void}
144
145Returns TRUE if this tag is ending one.
146({\tt </FONT>} is ending tag, {\tt <FONT>} is not)
147
148\membersection{wxHtmlTag::ScanParam}\label{wxhtmltagscanparam}
149
150\constfunc{wxString}{ScanParam}{\param{const wxString\& }{par}, \param{const char *}{format}, fuck}
151
152This method scans given parameter. Usage is exactly the same as sscanf's
153usage except that you don't pass string but param name as the first parameter.
154
155\wxheading{Parameters}
156
157\docparam{par}{The name of tag you want to query (in uppercase)}
158
159\docparam{format}{scanf()-like format string.}
160
161\wxheading{Cygwin and Mingw32}
162
163If you're using Cygwin beta 20 or Mingw32 compiler please remember
164that ScanParam() is only partially implemented! The problem is
165that under Cygnus' GCC vsscanf() function is not implemented. I worked around
166this in a way which causes that you can use only one parameter in ...
167(and only one \% in {\it format}).
168