public WebView()
{
// Add event handler for navigation
this.Navigating += new System.Windows.Forms.WebBrowserNavigatingEventHandler(WebView_Navigating);
// Initiate parsing
mMakoEngine = new MakoEngine();
}
/// <summary>
/// Method to test content, output both preparsed and parsed content
/// </summary>
/// <param name="file"></param>
private void TestContent(String file)
{
Engine = new MakoEngine();
using (StreamReader SR = new StreamReader(file))
{
textBox1.Text = SR.ReadToEnd();
ParseFile(textBox1.Text);
}
}
/// <summary>
/// Method to test content, output both preparsed and parsed content
/// </summary>
/// <param name="file"></param>
private void TestContent(String file)
{
Engine = new MakoEngine();
using (StreamReader SR = new StreamReader(file))
{
textBox1.Text = SR.ReadToEnd();
ParseFile(textBox1.Text);
}
}
/// <summary>
/// This function preprosses the mako layer
/// </summary>
/// <param name="input">The input string to parse</param>
/// <param name="argument">The argument sent to the parser</param>
public String Preprocess(string input, string argument, bool inflate, string uri, bool onlyPreprocess = false)
{
#region OverlayManager Experimental
/****
* STOCKHOLM 2011-07-01 14:45
*
* New feature: Apply custom overlays specified by individual service:
* Overlay are marked with <#namespace#> where "namespace" is an special
* kind of <namespace>.xml view file inside an <extension_dir>/views/ folder
* */
// First gain attention by the event
OverlayEventArgs args = new OverlayEventArgs(); // Create event args
args.URI = uri;
if (RequestOverlay != null)
{
RequestOverlay(this, args);
}
// if the args has retained the phase, eg. not cancelled
if (!args.Cancel)
{
// Substitute the overlay placeholders with the views
if (args.ViewFolders != null)
{
foreach (KeyValuePair <string, string> overlay in args.ViewFolders)
{
using (StreamReader SR = new StreamReader(overlay.Value))
{
String content = SR.ReadToEnd();
// Substitute overlay placeholders
input = input.Replace("<#" + overlay.Key.Replace(".xml", "") + "#>", content);
SR.Close();
}
}
}
}
// Remove unwanted trailings
Regex a = new Regex(@"<\#[^\#]*\#>", RegexOptions.IgnoreCase);
input = a.Replace(input, "");
#endregion
/**
* Begin normal operation
* */
// Clear the output buffer
Output = "";
/**
* Tell the runtime machine about the argument
* */
try
{
String[] arguments = argument.Split(':');
RuntimeMachine.SetVariable("parameter", argument.Replace(arguments[0] + ":", "").Replace(arguments[1] + ":", ""));
RuntimeMachine.SetVariable("service", arguments[0]);
}
catch { }
/**
* This string defines the call-stack of the query
* This is done before any other preprocessing
* */
String CallStack = "";
String[] lines = input.Split('\n');
/**
* Boolean indicating which parse mode the parser is in,
* true = in executable text
* false = in output line
* */
bool parseMode = false;
// Boolean indicating first line is parsing
bool firstLine = true;
/***
* Iterate through all lines and preprocess the page.
* If page starts with an % it will be treated as an preparser code or all content
* inside enclosing <? ?>
* Two string builders, the first is for the current output segment and the second for the current
* executable segmetn
* */
StringBuilder outputCode = new StringBuilder();
StringBuilder executableSegment = new StringBuilder();
// The buffer for the final preprocessing output
StringBuilder finalOutput = new StringBuilder();
// Append initial case
outputCode.Append("");
// Boolean startCase. true = <? false \n%
bool startCase = false;
// Boolean which tells if the cursor is in the preparse or output part of the buffer (inside or outside an executable segment)
bool codeMode = false;
for (int i = 0; i < input.Length; i++)
{
// Check if at an overgoing to an code block
if (codeMode)
{
if ((startCase && input[i] == '?' && input[i + 1] == '>') || (input[i] == '\n' && !startCase))
{
codeMode = false;
// Jump forward two times if endcase is ?>
if (startCase)
{
i++;
}
// Get the final output
string codeOutput = executableSegment.ToString();
// If in JSPython mode, convert all row breaks to ; and other syntax elements
if (JSPython)
{
codeOutput = codeOutput.Replace("\n", ";");
/**
* Convert statements
* */
codeOutput = codeOutput.Replace(":", "{");
codeOutput = codeOutput.Replace("end", "}");
codeOutput = codeOutput.Replace("\nif ", "\nif(");
codeOutput = codeOutput.Replace("then:", "){");
codeOutput = codeOutput.Replace("do:", "){");
codeOutput = codeOutput.Replace("endif", "}");
}
codeOutput = codeOutput.Replace("lt;", "<");
codeOutput = codeOutput.Replace("lower than", "<");
codeOutput = codeOutput.Replace("lower", "<");
codeOutput = codeOutput.Replace("higher", ">");
codeOutput = codeOutput.Replace("highter than", ">");
codeOutput = codeOutput.Replace("gt;", ">");
// Append the code data to the string buffer
finalOutput.Append(" " + codeOutput + " ");
// Clear outputcode buffer
executableSegment = new StringBuilder();
continue;
}
executableSegment.Append(input[i]);
}
else
{
// If at end, summarize the string
if (i == input.Length - 1)
{
// Append the last string
outputCode.Append(input[i]);
// Format output code (Replace " to ¤ and swap back on preprocessing)
String OutputCode = outputCode.ToString().Replace("\"", "¤").Replace("\n", "%BR%\");\n__printx(\"");
OutputCode = this.HandleToTokens(OutputCode.ToString(), '@');
finalOutput.Append("__printx(\"" + OutputCode + "\");");
}
try
{
if (((input[i] == '\n' && input[i + 1] == '%')) || (input[i] == '<' && input[i + 1] == '?'))
{
startCase = (input[i] == '<' && input[i + 1] == '?');
codeMode = true;
// Convert tokens to interpretable handles
String OutputCode = outputCode.ToString().Replace("\"", "¤").Replace("\n", "%BR%\");\n__printx(\"");
OutputCode = this.HandleToTokens(OutputCode.ToString(), '@');
finalOutput.Append("__printx(\"" + OutputCode + "\");");
// Clear the output code buffer
outputCode = new StringBuilder();
// Skip two tokens forward to not include those tokens to the code buffer
i += 1;
continue;
}
}
catch
{
continue;
}
outputCode.Append(input[i]);
}
}
// if exiting in text mode, append an end of the scalar string
if (!parseMode)
{
CallStack += "\");";
}
// Run the code
RuntimeMachine.SetFunction("__printx", new Func <String, object>(__printx));
RuntimeMachine.SetFunction("synchronize_data", new Func <String, object>(synchronize_data));
CallStack = finalOutput.ToString();
CallStack = CallStack.Replace("\r", "");
if (!onlyPreprocess)
{
/***
* Try run the page. If there was error return ERROR: <error> message so the
* handler can choose to present it to the user
* */
try
{
RuntimeMachine.Run(CallStack);
/**
* Check if the result of the preprocessing is the same as before. If nothing
* has changed return NONCHANGE. This is only for rendering whole pages, not inflate.
* */
if (!inflate)
{
if (Output == OldOutput)
{
return("NONCHANGE");
}
OldOutput = Output;
}
}
catch (Exception e)
{
// clear output
this.Output = "";
// Load error page
using (System.IO.StreamReader SR = new System.IO.StreamReader("views\\error.xml"))
{
string errorView = new MakoEngine().Preprocess(SR.ReadToEnd(), "", false, "", true);
RuntimeMachine = new JavaScriptEngine();
RuntimeMachine.SetFunction("__printx", new Func <String, object>(__printx));
RuntimeMachine.SetVariable("error", e.ToString() + "\n ");
RuntimeMachine.Run((errorView));
}
}
return(this.Output);
}
else
{
return(CallStack);
}
}
/// <summary>
/// This function preprosses the mako layer
/// </summary>
/// <param name="input">The input string to parse</param>
/// <param name="argument">The argument sent to the parser</param>
public String Preprocess(string input, string argument, bool inflate, string uri, bool onlyPreprocess = false)
{
#region OverlayManager Experimental
/****
* STOCKHOLM 2011-07-01 14:45
*
* New feature: Apply custom overlays specified by individual service:
* Overlay are marked with <#namespace#> where "namespace" is an special
* kind of <namespace>.xml view file inside an <extension_dir>/views/ folder
* */
// First gain attention by the event
OverlayEventArgs args = new OverlayEventArgs(); // Create event args
args.URI = uri;
if (RequestOverlay != null)
RequestOverlay(this, args);
// if the args has retained the phase, eg. not cancelled
if (!args.Cancel)
{
// Substitute the overlay placeholders with the views
if(args.ViewFolders != null)
foreach (KeyValuePair<string, string> overlay in args.ViewFolders)
{
using (StreamReader SR = new StreamReader(overlay.Value))
{
String content = SR.ReadToEnd();
// Substitute overlay placeholders
input = input.Replace("<#" + overlay.Key.Replace(".xml","") + "#>", content);
SR.Close();
}
}
}
// Remove unwanted trailings
Regex a = new Regex(@"<\#[^\#]*\#>", RegexOptions.IgnoreCase);
input = a.Replace(input, "");
#endregion
/**
* Begin normal operation
* */
// Clear the output buffer
Output = "";
/**
* Tell the runtime machine about the argument
* */
try
{
String[] arguments = argument.Split(':');
RuntimeMachine.SetVariable("parameter", argument.Replace(arguments[0] + ":", "").Replace(arguments[1] + ":", ""));
RuntimeMachine.SetVariable("service", arguments[0]);
}
catch { }
/**
* This string defines the call-stack of the query
* This is done before any other preprocessing
* */
String CallStack = "";
String[] lines = input.Split('\n');
/**
* Boolean indicating which parse mode the parser is in,
* true = in executable text
* false = in output line
* */
bool parseMode = false;
// Boolean indicating first line is parsing
bool firstLine = true;
/***
* Iterate through all lines and preprocess the page.
* If page starts with an % it will be treated as an preparser code or all content
* inside enclosing <? ?>
* Two string builders, the first is for the current output segment and the second for the current
* executable segmetn
* */
StringBuilder outputCode = new StringBuilder();
StringBuilder executableSegment = new StringBuilder();
// The buffer for the final preprocessing output
StringBuilder finalOutput = new StringBuilder();
// Append initial case
outputCode.Append("");
// Boolean startCase. true = <? false \n%
bool startCase = false;
// Boolean which tells if the cursor is in the preparse or output part of the buffer (inside or outside an executable segment)
bool codeMode = false;
for(int i=0; i < input.Length ;i++)
{
// Check if at an overgoing to an code block
if(codeMode)
{
if((startCase && input[i] == '?' && input[i+1] == '>') ||( input[i] == '\n' && !startCase))
{
codeMode=false;
// Jump forward two times if endcase is ?>
if(startCase)
i++;
// Get the final output
string codeOutput = executableSegment.ToString();
// If in JSPython mode, convert all row breaks to ; and other syntax elements
if (JSPython)
{
codeOutput = codeOutput.Replace("\n", ";");
/**
* Convert statements
* */
codeOutput = codeOutput.Replace(":", "{");
codeOutput = codeOutput.Replace("end", "}");
codeOutput = codeOutput.Replace("\nif ", "\nif(");
codeOutput = codeOutput.Replace("then:", "){");
codeOutput = codeOutput.Replace("do:", "){");
codeOutput = codeOutput.Replace("endif", "}");
}
codeOutput = codeOutput.Replace("lt;", "<");
codeOutput = codeOutput.Replace("lower than", "<");
codeOutput = codeOutput.Replace("lower", "<");
codeOutput = codeOutput.Replace("higher", ">");
codeOutput = codeOutput.Replace("highter than", ">");
codeOutput = codeOutput.Replace("gt;", ">");
// Append the code data to the string buffer
finalOutput.Append(" "+ codeOutput + " ");
// Clear outputcode buffer
executableSegment = new StringBuilder();
continue;
}
executableSegment.Append(input[i]);
}
else
{
// If at end, summarize the string
if(i == input.Length - 1)
{
// Append the last string
outputCode.Append(input[i]);
// Format output code (Replace " to ¤ and swap back on preprocessing)
String OutputCode = outputCode.ToString().Replace("\"", "¤").Replace("\n", "%BR%\");\n__printx(\"");
OutputCode = this.HandleToTokens(OutputCode.ToString(),'@');
finalOutput.Append("__printx(\"" + OutputCode + "\");");
}
try
{
if (((input[i] == '\n' && input[i + 1] == '%')) || (input[i] == '<' && input[i + 1] == '?'))
{
startCase = (input[i] == '<' && input[i + 1] == '?');
codeMode = true;
// Convert tokens to interpretable handles
String OutputCode = outputCode.ToString().Replace("\"", "¤").Replace("\n", "%BR%\");\n__printx(\"");
OutputCode = this.HandleToTokens(OutputCode.ToString(), '@');
finalOutput.Append("__printx(\"" + OutputCode + "\");");
// Clear the output code buffer
outputCode = new StringBuilder();
// Skip two tokens forward to not include those tokens to the code buffer
i += 1;
continue;
}
}
catch
{
continue;
}
outputCode.Append(input[i]);
}
}
// if exiting in text mode, append an end of the scalar string
if (!parseMode)
{
CallStack += "\");";
}
// Run the code
RuntimeMachine.SetFunction("__printx",new Func<String,object>( __printx));
RuntimeMachine.SetFunction("synchronize_data", new Func<String, object>(synchronize_data));
CallStack = finalOutput.ToString();
CallStack = CallStack.Replace("\r", "");
if (!onlyPreprocess)
{
/***
* Try run the page. If there was error return ERROR: <error> message so the
* handler can choose to present it to the user
* */
try
{
RuntimeMachine.Run(CallStack);
/**
* Check if the result of the preprocessing is the same as before. If nothing
* has changed return NONCHANGE. This is only for rendering whole pages, not inflate.
* */
if (!inflate)
{
if (Output == OldOutput)
return "NONCHANGE";
OldOutput = Output;
}
}
catch (Exception e)
{
// clear output
this.Output = "";
// Load error page
using (System.IO.StreamReader SR = new System.IO.StreamReader("views\\error.xml"))
{
string errorView = new MakoEngine().Preprocess(SR.ReadToEnd(), "", false, "", true);
RuntimeMachine = new JavaScriptEngine();
RuntimeMachine.SetFunction("__printx", new Func<String, object>(__printx));
RuntimeMachine.SetVariable("error", e.ToString() + "\n " );
RuntimeMachine.Run((errorView));
}
}
return this.Output;
}
else
{
return CallStack;
}
}