/// <summary>
/// 执行变量
/// </summary>
/// <param name="txt">原始字符串</param>
/// <param name="ParameterValues">保存参数的列表</param>
/// <returns>处理后的字符串</returns>
public string Execute(string txt, System.Collections.ArrayList ParameterValues)
{
if (this.myVariables == null)
{
throw new System.InvalidOperationException("未设置 Variables 属性");
}
if (txt == null || txt.Length == 0)
{
return(txt);
}
string[] strItems = AnalyseVariableString(txt, strVariablePrefix, strVariableEndfix);
if (strItems == null)
{
return(null);
}
System.Text.StringBuilder myStr = new System.Text.StringBuilder();
for (int iCount = 0; iCount < strItems.Length; iCount++)
{
if ((iCount % 2) == 0)
{
myStr.Append(strItems[iCount]);
}
else
{
string strName = strItems[iCount];
bool bolParameter = strName.StartsWith("@");
if (bolParameter)
{
strName = strName.Substring(1);
}
string strValue = null;
if (myVariables.Exists(strName))
{
strValue = myVariables.Get(strName);
}
else
{
strValue = "";
}
if (ParameterValues != null && bolParameter)
{
ParameterValues.Add(strValue);
myStr.Append(" ? ");
}
else
{
myStr.Append(strValue);
}
}
}
return(myStr.ToString());
}
/// <summary>
/// Formats the source text based on the given provider
/// </summary>
/// <param name="sourceText">The text to format</param>
/// <param name="regions">The regions containing text</param>
/// <param name="provider">The provider to use when replacing variables</param>
/// <returns>The formatted text</returns>
public static string FormatText(string sourceText, IList <Region> regions, IVariableProvider provider)
{
if (string.IsNullOrEmpty(sourceText))
{
return(string.Empty);
}
if (regions.Count == 0)
{
return(sourceText);
}
if (provider == null)
{
return(sourceText);
}
StringBuilder builder = new StringBuilder();
int startIndex = 0;
int endIndex = 0;
// go through each region and replace this area in the text with the actual
// value for the variable
foreach (Region region in regions)
{
int length = region.AbsolutePosition - startIndex;
// check for text before the first anchor
if (region.AbsolutePosition > 0)
{
builder.Append(sourceText.Substring(startIndex, length));
}
builder.Append(provider.Get(region.RegionText));
startIndex += region.RegionText.Length + OffSet + length;
endIndex = startIndex;
}
// check for text after the last anchor
if (endIndex < sourceText.Length)
{
builder.Append(sourceText.Substring(endIndex));
}
return(builder.ToString());
}
/// <summary>
/// Called to process the input file.
/// In this case, the input file is passed on the command line to the application
/// that this instance is configured for.
/// </summary>
/// <param name="inputFile">The input file to process</param>
/// <param name="variables">The variable provider</param>
/// <param name="next">The next action to call</param>
public void Process(string inputFile, IVariableProvider variables, Action <string> next)
{
string fileName = variables.Get("filename");
Boolean startClientAsUsual = true;
Logger.InfoFormat("Process called, original file name is '{0}'", fileName);
// Check if a specific registry key is available. If it is, copy the resulted PDF to the
// specific location instead of launch the application.
RegistryKey key = Registry.CurrentUser.OpenSubKey(printToEwbWebKey);
if (key != null)
{
string destFile = (string)key.GetValue(saveToDisk);
if (destFile != null)
{
Logger.InfoFormat("{0} key is found. Saving resulted PDF to specific location.", saveToDisk);
try
{
Logger.InfoFormat("Copying resulted PDF file from {0} to {1}", inputFile, destFile);
File.Copy(inputFile, destFile);
if (File.Exists(destFile))
{
// Do not start client.
startClientAsUsual = false;
Logger.InfoFormat("Copy success. Deleting registry key value.");
Registry.CurrentUser.OpenSubKey(printToEwbWebKey, true).DeleteValue("SaveToDisk");
}
}
catch (Exception e)
{
Logger.ErrorFormat(e.ToString());
Logger.InfoFormat("An error has occurred when saving resulted PDF into specific location. Deleting registry key value.");
Registry.CurrentUser.OpenSubKey(printToEwbWebKey, true).DeleteValue("SaveToDisk");
Logger.InfoFormat("Launching Print to E-WorkBook Web instead.");
}
}
}
if (startClientAsUsual)
{
StartClient(inputFile, fileName, next);
}
}
