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Overview
| Comment: | Move the XML configuration file reading code into its own private method. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
5f0d62ce57e7bb495867fff9bb20d805 |
| User & Date: | mistachkin 2016-07-02 00:30:39 |
Context
|
2016-07-02
| ||
| 03:10 | Remove superfluous comment. check-in: 7273ee5d1f user: mistachkin tags: trunk | |
| 00:30 | Move the XML configuration file reading code into its own private method. check-in: 5f0d62ce57 user: mistachkin tags: trunk | |
| 00:06 | Improve comments. check-in: 4b9b00163e user: mistachkin tags: trunk | |
Changes
Changes to System.Data.SQLite/UnsafeNativeMethods.cs.
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fileName = MaybeCombinePath(directory, XmlConfigFileName);
if (File.Exists(fileName))
return fileName;
return null;
}
/////////////////////////////////////////////////////////////////////////
/// <summary>
/// Queries and returns the value of the specified setting, using the XML
/// configuration file and/or the environment variables for the current
/// process and/or the current system, when available.
/// </summary>
................................................................................
if (name == null)
return @default;
/////////////////////////////////////////////////////////////////////
#region Debug Build Only
#if DEBUG
DebugData.IncrementSettingReadCount(name, false);
#endif
#endregion
/////////////////////////////////////////////////////////////////////
string value = null;
#if !PLATFORM_COMPACTFRAMEWORK
bool expand = true;
if (Environment.GetEnvironmentVariable("No_Expand") != null)
{
expand = false;
}
else if (Environment.GetEnvironmentVariable(
HelperMethods.StringFormat(CultureInfo.InvariantCulture,
................................................................................
}
#endif
/////////////////////////////////////////////////////////////////////
#region Debug Build Only
#if DEBUG
DebugData.IncrementSettingReadCount(name, true);
#endif
#endregion
/////////////////////////////////////////////////////////////////////
try
{
string fileName = GetXmlConfigFileName();
if (fileName == null)
return @default;
XmlDocument document = new XmlDocument();
document.Load(fileName);
XmlElement element = document.SelectSingleNode(
HelperMethods.StringFormat(CultureInfo.InvariantCulture,
"/configuration/appSettings/add[@key='{0}']", name)) as
XmlElement;
if (element != null)
{
if (element.HasAttribute("value"))
value = element.GetAttribute("value");
#if !PLATFORM_COMPACTFRAMEWORK
if (expand && !String.IsNullOrEmpty(value))
value = Environment.ExpandEnvironmentVariables(value);
#endif
if (value != null)
return value;
}
}
#if !NET_COMPACT_20 && TRACE_SHARED
catch (Exception e)
#else
catch (Exception)
#endif
{
#if !NET_COMPACT_20 && TRACE_SHARED
try
{
Trace.WriteLine(HelperMethods.StringFormat(
CultureInfo.CurrentCulture,
"Native library pre-loader failed to get setting " +
"\"{0}\" value: {1}", name, e)); /* throw */
}
catch
{
// do nothing.
}
#endif
}
return @default;
}
/////////////////////////////////////////////////////////////////////////
#if !PLATFORM_COMPACTFRAMEWORK
private static string ListToString(IList<string> list)
{
|
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fileName = MaybeCombinePath(directory, XmlConfigFileName);
if (File.Exists(fileName))
return fileName;
return null;
}
/////////////////////////////////////////////////////////////////////////
/// <summary>
/// Queries and returns the value of the specified setting, using the
/// specified XML configuration file.
/// </summary>
/// <param name="fileName">
/// The name of the XML configuration file to read.
/// </param>
/// <param name="name">
/// The name of the setting.
/// </param>
/// <param name="default">
/// The value to be returned if the setting has not been set explicitly
/// or cannot be determined.
/// </param>
/// <param name="expand">
/// Non-zero to expand any environment variable references contained in
/// the setting value to be returned. This has no effect on the .NET
/// Compact Framework.
/// </param>
/// <returns>
/// The value of the setting -OR- the default value specified by
/// <paramref name="default" /> if it has not been set explicitly or
/// cannot be determined. By default, all references to existing
/// environment variables will be expanded to their corresponding values
/// within the value to be returned unless either the "No_Expand" or
/// "No_Expand_<paramref name="name" />" environment variable is set [to
/// anything].
/// </returns>
private static string GetSettingValueViaXmlConfigFile(
string fileName, /* in */
string name, /* in */
string @default, /* in */
bool expand /* in */
)
{
try
{
if ((fileName == null) || (name == null))
return @default;
XmlDocument document = new XmlDocument();
document.Load(fileName); /* throw */
XmlElement element = document.SelectSingleNode(
HelperMethods.StringFormat(CultureInfo.InvariantCulture,
"/configuration/appSettings/add[@key='{0}']", name)) as
XmlElement; /* throw */
if (element != null)
{
string value = null;
if (element.HasAttribute("value"))
value = element.GetAttribute("value");
#if !PLATFORM_COMPACTFRAMEWORK
if (expand && !String.IsNullOrEmpty(value))
value = Environment.ExpandEnvironmentVariables(value);
#endif
if (value != null)
return value;
}
}
#if !NET_COMPACT_20 && TRACE_SHARED
catch (Exception e)
#else
catch (Exception)
#endif
{
#if !NET_COMPACT_20 && TRACE_SHARED
try
{
Trace.WriteLine(HelperMethods.StringFormat(
CultureInfo.CurrentCulture, "Native library " +
"pre-loader failed to get setting \"{0}\" value " +
"from XML configuration file \"{1}\": {2}", name,
fileName, e)); /* throw */
}
catch
{
// do nothing.
}
#endif
}
return @default;
}
/////////////////////////////////////////////////////////////////////////
/// <summary>
/// Queries and returns the value of the specified setting, using the XML
/// configuration file and/or the environment variables for the current
/// process and/or the current system, when available.
/// </summary>
................................................................................
if (name == null)
return @default;
/////////////////////////////////////////////////////////////////////
#region Debug Build Only
#if DEBUG
//
// NOTE: We are about to read a setting value from the environment
// or possibly from the XML configuration file; create or
// increment the appropriate statistic now.
//
DebugData.IncrementSettingReadCount(name, false);
#endif
#endregion
/////////////////////////////////////////////////////////////////////
bool expand = true; /* SHARED: Environment -AND- XML config file. */
/////////////////////////////////////////////////////////////////////
#if !PLATFORM_COMPACTFRAMEWORK
string value = null;
if (Environment.GetEnvironmentVariable("No_Expand") != null)
{
expand = false;
}
else if (Environment.GetEnvironmentVariable(
HelperMethods.StringFormat(CultureInfo.InvariantCulture,
................................................................................
}
#endif
/////////////////////////////////////////////////////////////////////
#region Debug Build Only
#if DEBUG
//
// NOTE: We are about to read a setting value from the XML
// configuration file; create or increment the appropriate
// statistic now.
//
DebugData.IncrementSettingReadCount(name, true);
#endif
#endregion
/////////////////////////////////////////////////////////////////////
return GetSettingValueViaXmlConfigFile(
GetXmlConfigFileName(), name, @default, expand);
}
/////////////////////////////////////////////////////////////////////////
#if !PLATFORM_COMPACTFRAMEWORK
private static string ListToString(IList<string> list)
{
|