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List: stringtemplate-interest
Subject: [stringtemplate-interest] C# - problem with NULL-replacement when
From: "Christophe Vanderhaeghen" <christophe () soletis ! be>
Date: 2009-12-16 16:51:37
Message-ID: 001001ca7e70$08af17d0$1a0d4770$ () be
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Hi,
According to the documentation found at this location:
<http://www.antlr.org/wiki/display/ST/Expressions>
http://www.antlr.org/wiki/display/ST/Expressions, the following should work,
right?
StringTemplate hello = new StringTemplate("Hello, $names; null=\"?\",
separator=\", \"$");
hello.SetAttribute("names", "test123");
hello.SetAttribute("names", null); // should become ?
hello.SetAttribute("names", "test456");
Console.Out.Write(hello.ToString());
The separator works well, but the NULL is not replaced. When I have a single
value, then the NULL-replacement works fine.
Could you confirm this behavior in C#?
Thanks in advance,
Christophe Vanderhaeghen
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<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:black'>Hi,</span><span \
style='font-size:11.0pt;font-family:"Calibri","sans-serif"; \
color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:black'>According to the documentation found at this location:<span
class=apple-converted-space> </span></span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:black'><a
href="http://www.antlr.org/wiki/display/ST/Expressions"><span \
lang=EN-US>http://www.antlr.org/wiki/display/ST/Expressions</span></a></span><span \
lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"; color:black'>, \
the following should work, right?</span><span style='font-size: \
11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
<div>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New"; color:#2B91AF'>StringTemplate</span><span class=apple-converted-space><span
lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New";color:black'> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>hello =<span \
class=apple-converted-space> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:blue'>new</span><span \
class=apple-converted-space><span lang=EN-US style='font-size:10.0pt; \
font-family:"Courier New";color:black'> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier \
New";color:#2B91AF'>StringTemplate</span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>(</span><span \
lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New";color:#A31515'>"Hello, $names; null=\"?\", separator=\", \
\"$"</span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New";color:black'>);<br> hello.SetAttribute(</span><span lang=EN-US \
style='font-size:10.0pt;font-family: "Courier \
New";color:#A31515'>"names"</span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>,<span \
class=apple-converted-space> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier \
New";color:#A31515'>"test123"</span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>);</span><span \
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New"; color:black'>hello.SetAttribute(</span><span lang=EN-US \
style='font-size:10.0pt; font-family:"Courier \
New";color:#A31515'>"names"</span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>,<span \
class=apple-converted-space> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:blue'>null</span><span \
lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New";color:black'>);</span><span class=apple-converted-space><span lang=EN-US \
style='font-size:10.0pt; font-family:"Courier \
New";color:#9BBB59'> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:#9BBB59'>// should become \
?</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"; \
color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New"; color:black'>hello.SetAttribute(</span><span lang=EN-US \
style='font-size:10.0pt; font-family:"Courier \
New";color:#A31515'>"names"</span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>,<span \
class=apple-converted-space> </span></span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier \
New";color:#A31515'>"test456"</span><span lang=EN-US \
style='font-size:10.0pt;font-family:"Courier New";color:black'>);</span><span \
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier \
New"; color:black'>Console.Out.Write(hello.ToString());</span><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:black'>The separator works well, but the NULL is not replaced. When I
have a single value, then the NULL-replacement works fine.<br>
<br>
Could you confirm this behavior</span><span lang=EN-US style='font-size:11.0pt;
font-family:"Calibri","sans-serif"'> in C#<span \
style='color:black'>?</span></span><span \
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:black'>Thanks in advance,</span><span style='font-size:11.0pt;font-family:
"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:black'>Christophe Vanderhaeghen</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:black'><o:p></o:p></span></p>
</div>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
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