Check online for Updates: Difference between revisions
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{{PageAuthor|Jan}} | |||
== Description == | == Description == | ||
Let the installer check for newer versions. This function downloads an XML file and queries it for the program version. Useful scenarios are using it with RSS feeds or PAD files. Work in progress! | Let the installer check for newer versions. This function downloads an XML file and queries it for the program version. Useful scenarios are using it with RSS feeds or PAD files. Work in progress! | ||
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== Syntax == | == Syntax == | ||
<highlight-nsis> | <highlight-nsis> | ||
${UpdateXml} [url] [path] $var | ${UpdateXml} "[url]" "[path]" $var | ||
"[url]" ; URL to an XML file | "[url]" ; URL to an XML file | ||
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; | ; | ||
$var ; result, in the above example "information" | $var ; result, in the above example "information" | ||
--------------------------------------------------------------- | |||
${UpdatePad} "[url]" "[local]" $var | |||
"[url]" ; URL to a PAD file | |||
"[local]" ; version of the local file | |||
$var ; result, in the above example "information" | |||
</highlight-nsis> | </highlight-nsis> | ||
== | == Examples == | ||
'''Read version from XML''' | '''Read version from XML''' | ||
<highlight-nsis> | <highlight-nsis> | ||
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== Download == | == Download == | ||
<attach>OnlineUpdate-0.2.zip</attach><br/> | <attach>OnlineUpdate-0.2.zip</attach> | ||
[[XML plug-in]] | |||
Required:<br/> | |||
[[XML plug-in]]<br/> | |||
[[VersionCompare]] | |||
[[Category:Internet Functions]] | |||
Latest revision as of 20:30, 24 July 2008
| Author: Jan (talk, contrib) |
Description
Let the installer check for newer versions. This function downloads an XML file and queries it for the program version. Useful scenarios are using it with RSS feeds or PAD files. Work in progress!
Syntax
${UpdateXml} "[url]" "[path]" $var "[url]" ; URL to an XML file "[path]" ; path to the version resource in your XML file ; ; Example: ; <XML> ; <A> ; <B>information</B> ; </A> ; </XML> ; ; -> use "/XML/A/B" as path ; $var ; result, in the above example "information" --------------------------------------------------------------- ${UpdatePad} "[url]" "[local]" $var "[url]" ; URL to a PAD file "[local]" ; version of the local file $var ; result, in the above example "information"
Examples
Read version from XML
!include "XML.nsh" !include "OnlineUpdate.nsh" !insertmacro "UpdateXml" Section ${UpdateXml} "http://198.63.208.118/padinfo/padgen.xml" "/XML_DIZ_INFO/Program_Info/Program_Version" $0 MessageBox MB_OK "The latest version of PADGen is $0" SectionEnd
Read version from PAD file (XML) and download if newer
!include "WordFunc.nsh" !insertmacro "VersionCompare" !include "XML.nsh" !include "OnlineUpdate.nsh" !insertmacro "UpdateXml" !define LocalVersion "1.0" Section ${UpdatePad} "http://198.63.208.118/padinfo/padgen.xml" "${LocalVersion}" $0 ; StrCmp $0 "" 0 +2 DetailPrint "Update available at $0" SectionEnd
Download
OnlineUpdate-0.2.zip (1 KB)
Required:
XML plug-in
VersionCompare
