<!---
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errorcontext.cfm reads the file specified by a TAGCONTEXT-type struct
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and returns an array of structures which contain the text of the failing
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line,and lines near it, along with their line numbers.
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@param errorLocation - the TAGCONTEXT entry for the failed template/line.
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@param showcontext - number of additional lines before/after failure displayed.
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@param resultVariable - the name of the caller's var where the resulting
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--->
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<cfparam name="attributes.errorLocation">
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<cfparam name="attributes.showcontext">
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<cfparam name="attributes.resultVariable">
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<cfif thistag.executionmode is "start">
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<!--- localization --->
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<cfset locale = createObject("java", "java.util.Locale").getDefault().getLanguage()>
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<cfset l10n_caller = "detail">
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<cftry>
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<cfif FileExists("exception_#locale#.xml")>
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<cfinclude template="exception_#locale#.xml">
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<cfelse>
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<cfinclude template="exception_en.xml">
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</cfif>
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<cfcatch>
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<cfinclude template="exception_en.xml">
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</cfcatch>
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</cftry>
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<cfset result = ArrayNew(1)>
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<cfscript>
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try
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{
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firstLine = attributes.errorLocation.line - attributes.showcontext;
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lastLine = attributes.errorLocation.line + attributes.showcontext;
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//create an instance of VFSFileFactory to fetch the intputstream
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vfsfilefactory = createObject("java", "coldfusion.vfs.VFSFileFactory");
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//get the input stream for the file
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inputStream = vfsfilefactory.getInputStream(attributes.errorLocation.Template);
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// Wrap a InputStreamReader in a LineNumberReader to read the CFML template as text.
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inputStreamReaderClass = createObject("java", "java.io.InputStreamReader");
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inputStreamReader = inputStreamReaderClass.init(inputStream);
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lineReaderClass = createObject("java", "java.io.LineNumberReader" );
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lineReader = lineReaderClass.init(inputStreamReader);
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currentLine = lineReader.readLine();
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while ( isDefined("currentLine") and lineReader.getLineNumber() lte lastLine )
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{
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if ( lineReader.getLineNumber() gte firstLine )
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{
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lineInfoStruct = structNew();
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lineInfoStruct.line = currentLine;
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lineInfoStruct.lineNumber = lineReader.getLineNumber();
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ArrayAppend(result, lineInfoStruct);
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}
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currentLine = lineReader.readLine();
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}
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} catch ( "Any" ex) {
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lineInfoStruct = structNew();
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lineInfoStruct.line = s_unable;
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lineInfoStruct.lineNumber = -1;
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lineInfoStruct.diagnostic = ex;
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ArrayAppend(result, lineInfoStruct);
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}
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finally
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{
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if(isDefined("lineReader"))
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{
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lineReader.close();
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}
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}
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</cfscript>
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<cfset setVariable("caller.#attributes.resultVariable#", result )>
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</cfif>
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