trunk/posUpdate/XmlPatch.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Xml;
using IronJS;

namespace xmlTools
{
    /// <summary>
    /// This classes parses a .patch xml tools file and applies its content to the files which it specifies
    /// </summary>
    class XmlPatch
    {
        String fileName;
        String forceFiles = "";
        bool globalNoBackups = false;
        IronJS.Hosting.CSharp.Context jsEngine = null; // initialize only when necessary

        public XmlPatch(String file, bool noBackups)
        {
            fileName = file;
            globalNoBackups = noBackups;
        }

        public XmlPatch(String file, String forceInFiles, bool noBackups)
        {
            fileName = file;
            forceFiles = forceInFiles; //We support apply the operation in diverse forced files (NameOfFile parameter will be ignored)
            globalNoBackups = noBackups;
        }

        /// <summary>
        /// Applies the patch file. Returns true if successful otherwise returns false.
        /// </summary>
        /// <returns></returns>
        public bool startPatch()
        {
            string line;

            // Read the file and display it line by line.
            System.IO.StreamReader file = new System.IO.StreamReader(fileName);

            while ((line = file.ReadLine()) != null) //read while we don't reach the end of the file
            {
                if (line.StartsWith("@ADDTO "))
                {
                    string operation = line;
                    string xmlToInject = "";

                    file.ReadLine(); //ignore <xml> start header
                    while ((line = file.ReadLine()) != "</xml>")
                    {
                        xmlToInject += line + System.Environment.NewLine; //get all the xml that will be injected
                    }
                    if (!addOperation(operation, xmlToInject))
                    {
                        Program.printAppError(Program.appErrors.PATCH_ADDTO_PROCESS_ERROR, "Error while performing adding operation in patch file. Aborting...");
                        return false;
                    }
                }
                else if (line.StartsWith("@REMOVE "))
                {
                    if (!removeOperation(line))
                    {
                        Program.printAppError(Program.appErrors.PATCH_REMOVE_PROCESS_ERROR, "Error while performing remove operation in patch file. Aborting...");
                        return false;
                    }
                }
                else if (line.StartsWith("@COMMAND "))
                {
                    if (!executeCommand(line))
                    {
                        Program.printAppError(Program.appErrors.PATCH_COMMAND_PROCESS_ERROR, "Error while performing command operation in patch file. Aborting...");
                        return false;
                    }
                }
                else if (line.StartsWith("@CUSTOMCODE "))
                {
                    string operation = line;
                    string jsCode = "";

                    file.ReadLine(); //ignore <xml> start header
                    while ((line = file.ReadLine()) != "</code>")
                    {
                        jsCode += line + System.Environment.NewLine; //get all the xml that will be injected
                    }
                    if (!executeCode(operation, jsCode))
                    {
                        Program.printAppError(Program.appErrors.PATCH_CODE_PROCESS_ERROR, "Error while performing code operation in patch file. Aborting...");
                        return false;
                    }
                }
            }

            file.Close();

            return true;
        }

        /// <summary>
        /// Inserts xml in a desired Element. Returns true or false if it succeeds
        /// </summary>
        /// <param name="operation"></param>
        /// <param name="xmlToInject"></param>
        /// <returns></returns>
        private bool addOperation(string operation, string xmlToInject)
        {
            //@ADDTO File "example.xml" ParentElement "Animation" Element "Lookup"

            string FileParam = "", ParentElementParam = "", ElementParam = "";

            //---------------------------------------------------Parse Operation command (start)
            try
            {
                if (String.IsNullOrEmpty(forceFiles))
                {
                    FileParam = getPatchParameter(operation, "File");
                }
                else
                {
                    FileParam = forceFiles;
                }

                ParentElementParam = getPatchParameter(operation, "ParentElement"); //Get the ParentElement

                ElementParam = getPatchParameter(operation, "Element"); //Get the Element
            }
            catch (Exception e)
            {
                Program.printAppError(Program.appErrors.PATCH_ADDTO_ERROR_PARSING_XML, "Error parsing addOperation in Patch file.\n" + e.ToString());
                return false;
            }

            if (String.IsNullOrEmpty(ElementParam))
            {
                return false;
            }

            //---------------------------------------------------Parse Operation command (end)
            List<String> filesToProcess = new List<String>();
            if (String.IsNullOrEmpty(FileParam))
            {
                filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
            }
            else if (Util.containsWildcard(FileParam))
            {
                filesToProcess = Util.getXmlFilesWildcard(FileParam);
            }
            else
            {
                filesToProcess.Add(FileParam);
            }

            //---------------------------------------------------XML Injection (start)
            foreach (String currFile in filesToProcess)
            {
                if (!this.globalNoBackups && !Util.ContainsIgnoreCase(operation, "NoBackups")) // only skip backup if specified via global parameter or in patch file
                {
                    Util.backupFile(currFile);
                }

                XmlDocument xdoc = new XmlDocument();
                xdoc.Load(currFile);

                List<XmlNode> myElements = new List<XmlNode>();
                Util.getAllSpecificElements(xdoc.DocumentElement, ref myElements, ElementParam, ParentElementParam); //Returns all after "Oni" element

                if (myElements.Count == 0)
                {
                    Program.printAppError(Program.appErrors.PATCH_ELEMENT_NOT_FOUND, "Error in addOperation in Patch file: the element specified doesn't exist.");
                    return false;
                }

                try
                {
                    XmlNode newXml = xdoc.ImportNode(Util.stringToXmlNode(xmlToInject), true); //necessary to import node or ArgumentException will be thrown when appending

                    myElements[myElements.Count - 1].AppendChild(newXml); // Append the code after last element

                    xdoc.Save(currFile);
                }
                catch (XmlException e)
                {
                    Program.printAppError(Program.appErrors.PATCH_ADDTO_ERROR_PARSING_XML, "Error parsing xml to addOperation in Patch file.\n" + e.ToString());
                    return false;
                }
            }
            //---------------------------------------------------XML Injection (end)

            return true;
        }

        /// <summary>
        /// Removes a xml element, right now it removes the first element it finds with matchs "Element" and "ParentElement" parameters
        /// </summary>
        /// <param name="operation"></param>
        /// <returns>true or false depending if succeed or not</returns>
        private bool removeOperation(string operation)
        {
            //@REMOVE File "example.xml" ParentElement "Particles" Element "Particle"

            string FileParam = "", ParentElementParam = "", ElementParam = "";

            //---------------------------------------------------Parse Operation command (start)
            try
            {
                if (String.IsNullOrEmpty(forceFiles))
                {
                    FileParam = getPatchParameter(operation, "File");
                }
                else
                {
                    FileParam = forceFiles;
                }

                ParentElementParam = getPatchParameter(operation, "ParentElement"); //Get the ParentElement

                ElementParam = getPatchParameter(operation, "Element"); //Get the Element
            }
            catch (Exception e)
            {
                Program.printAppError(Program.appErrors.PATCH_REMOVE_PROCESS_ERROR, "Error parsing removeOperation in Patch file.\n" + e.ToString());
                return false;
            }

            if (String.IsNullOrEmpty(ElementParam))
            {
                return false;
            }

            //---------------------------------------------------Parse Operation command (end)

            List<String> filesToProcess = new List<String>();
            if (String.IsNullOrEmpty(FileParam))
            {
                filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
            }
            else if (Util.containsWildcard(FileParam))
            {
                filesToProcess = Util.getXmlFilesWildcard(FileParam);
            }
            else
            {
                filesToProcess.Add(FileParam);
            }

            //---------------------------------------------------XML Remove (start)

            foreach (String currFile in filesToProcess)
            {

                if (!this.globalNoBackups && !Util.ContainsIgnoreCase(operation, "NoBackups")) // only skip backup if specified via global parameter or in patch file
                {
                    Util.backupFile(currFile);
                }

                XmlDocument xdoc = new XmlDocument();
                xdoc.Load(currFile);

                List<XmlNode> myElements = new List<XmlNode>();
                Util.getAllSpecificElements(xdoc.DocumentElement, ref myElements, ElementParam, ParentElementParam); //Returns all after "Oni" element

                if (myElements.Count == 0)
                {
                    Program.printAppError(Program.appErrors.PATCH_ELEMENT_NOT_FOUND, "Error in removeOperation in Patch file: the element specified doesn't exist.");
                    return false;
                }

                myElements[0].ParentNode.RemoveChild(myElements[0]); // Removes the first occurrence which matches the "Element" and "ParentElement" given

                xdoc.Save(currFile);

            }
            //---------------------------------------------------XML Remove (end)


            return true;
        }

        /// <summary>
        ///  Executes a command for xmlTools
        /// </summary>
        /// <param name="command"></param>
        /// <returns>true or false depending if succeed or not</returns>
        private bool executeCommand(string command)
        {
            //---------------------------------------------------Parse Operation command (start)

            command = command.Replace("@COMMAND ", ""); //get only the command to process

            if (String.IsNullOrEmpty(command.Trim()))
            {
                Program.printAppError(Program.appErrors.PATCH_COMMAND_NOT_FOUND, "Error parsing commandOperation in Patch file: Command is empty.");
                return false;
            }

            try
            {
                if (!String.IsNullOrEmpty(forceFiles))
                {
                    string paramType = "";

                    // Filename already exists?
                    if (Util.ContainsIgnoreCase(command, "filename:"))
                    {
                        paramType = "filename:";
                    }
                    else if (Util.ContainsIgnoreCase(command, "filename="))
                    {
                        paramType = "filename=";
                    }
                    // Add the filename if it doesn't exists
                    else
                    {
                        command = command.Insert(command.Length, " -filename:" + this.forceFiles);
                    }

                    if (!String.IsNullOrEmpty(paramType))
                    {
                        int startIdx = command.IndexOf(paramType) + paramType.Length;
                        int endIdx = command.IndexOf(" ", startIdx); // it may end with space
                        if (endIdx == -1)
                        {
                            endIdx = command.IndexOf("\n", startIdx); // or with endline
                            if (endIdx == -1)
                            { // Filename parameters is the last one in the file (file ends with this parameter)
                                endIdx = command.Length - 1;
                            }
                        }
                        string currFilename = command.Substring(startIdx, endIdx - startIdx);
                        command = command.Replace(currFilename, this.forceFiles);
                    }

                }

                if (this.globalNoBackups && !Util.ContainsIgnoreCase(command, "nobackups")) // add noBackup flag if provided as global parameter
                {
                    command = command.Insert(command.Length, " -nobackups");
                }

                Program.Main(Util.stringToArgsArray(command)); // use the current process is more efficient than start a new one
            }
            catch (Exception e)
            {
                Program.printAppError(Program.appErrors.PATCH_COMMAND_PROCESS_ERROR, "Error processing command in Patch file.\n" + e.ToString());
                return false;
            }

            return true;
        }

        /// <summary>
        /// Executes custom Javascript code over the xml file specified. Uses .NET JINT library.
        /// </summary>
        /// <param name="command"></param>
        /// <returns></returns>
        private bool executeCode(string operation, string jsCode)
        {
            string FileParam = "";

            //---------------------------------------------------Parse Operation command (start)
            try
            {
                if (String.IsNullOrEmpty(forceFiles))
                {
                    FileParam = getPatchParameter(operation, "File");
                }
                else
                {
                    FileParam = forceFiles;
                }

            }
            catch (Exception e)
            {
                Program.printAppError(Program.appErrors.PATCH_CODE_PROCESS_ERROR, "Error parsing codeOperation in Patch file.\n" + e.ToString());
                return false;
            }

            //---------------------------------------------------Parse Operation command (end)
            List<String> filesToProcess = new List<String>();
            if (String.IsNullOrEmpty(FileParam))
            {
                filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
            }
            else if (Util.containsWildcard(FileParam))
            {
                filesToProcess = Util.getXmlFilesWildcard(FileParam);
            }
            else
            {
                filesToProcess.Add(FileParam);
            }

            //---------------------------------------------------JS Code Proccess (start)
            foreach (String currXMLFile in filesToProcess)
            {
                if (!this.globalNoBackups && !Util.ContainsIgnoreCase(operation, "NoBackups")) // only skip backup if specified via global parameter or in patch file
                {
                    Util.backupFile(currXMLFile);
                }

                string xmlFileContent = File.ReadAllText(currXMLFile);

                // Initialize Jint Engine
                if (jsEngine == null)
                {
                    jsEngine = new IronJS.Hosting.CSharp.Context();

                    // Load XML libraries
                    jsEngine.Execute(xmlTools.Properties.Resources.tinyxmlsax);
                    jsEngine.Execute(xmlTools.Properties.Resources.tinyxmlw3cdom);
                }

                // Construct code to execute
                StringBuilder sourceCode = new StringBuilder();

                // give user the xml we needs to edit...
                sourceCode.Append("var $xmlData='").Append(xmlFileContent.Replace(System.Environment.NewLine, " \\" + System.Environment.NewLine)).Append("';").AppendLine(); // replace is for multine string in javascript (http://stackoverflow.com/questions/805107/creating-multiline-strings-in-javascript)
                // append the user js code...
                sourceCode.Append(jsCode).AppendLine();
                // return to .NET the new xml data
                sourceCode.Append("$xmlData;");

                try
                {
                    xmlFileContent = jsEngine.Execute(sourceCode.ToString()).ToString();
                }
                catch (Exception e)
                {
                    Program.printAppError(Program.appErrors.PATCH_CODE_PROCESS_ERROR, "Error parsing code in customCodeOperation in Patch file.\n" + e.ToString());
                    return false;
                }

                // Let's see if the returned result is valid xml...
                try
                {
                    XmlDocument xmlDoc = new XmlDocument();

                    xmlDoc.LoadXml(xmlFileContent);

                    xmlDoc.Save(currXMLFile); //saving the new xml with this method will auto ident it.

                }
                catch (Exception e)
                {
                    Program.printAppError(Program.appErrors.PATCH_CODE_PARSE_XML_OUTPUT_ERROR, "Error parsing result xml to customCodeOperation in Patch file.\n" + e.ToString());
                    return false;
                }
            }
            //---------------------------------------------------JS Code Proccess (end)

            return true;
        }

        private string getPatchParameter(string line, string parameterName)
        {
            string result = "";
            int startIdx = 0, endIdx = 0;

            string temp = parameterName + " \"";

            startIdx = line.IndexOf(temp);
            if (startIdx != -1) //we have Parameter specified
            {
                startIdx += temp.Length;
                endIdx = line.IndexOf("\"", startIdx);
                result = line.Substring(startIdx, endIdx - startIdx); //Get the parameter value
            }

            return result;
        }
    }
}
Revision:	874
Committed:	Sat May 25 21:53:39 2013 UTC (12 years, 5 months ago) by s10k
File size:	19487 byte(s)
Log Message:	XmlTools: v0.9
#	Content
1	using System;
2	using System.Collections.Generic;
3	using System.Diagnostics;
4	using System.IO;
5	using System.Text;
6	using System.Xml;
7	using IronJS;
8
9	namespace xmlTools
10	{
11	/// <summary>
12	/// This classes parses a .patch xml tools file and applies its content to the files which it specifies
13	/// </summary>
14	class XmlPatch
15	{
16	String fileName;
17	String forceFiles = "";
18	bool globalNoBackups = false;
19	IronJS.Hosting.CSharp.Context jsEngine = null; // initialize only when necessary
20
21	public XmlPatch(String file, bool noBackups)
22	{
23	fileName = file;
24	globalNoBackups = noBackups;
25	}
26
27	public XmlPatch(String file, String forceInFiles, bool noBackups)
28	{
29	fileName = file;
30	forceFiles = forceInFiles; //We support apply the operation in diverse forced files (NameOfFile parameter will be ignored)
31	globalNoBackups = noBackups;
32	}
33
34	/// <summary>
35	/// Applies the patch file. Returns true if successful otherwise returns false.
36	/// </summary>
37	/// <returns></returns>
38	public bool startPatch()
39	{
40	string line;
41
42	// Read the file and display it line by line.
43	System.IO.StreamReader file = new System.IO.StreamReader(fileName);
44
45	while ((line = file.ReadLine()) != null) //read while we don't reach the end of the file
46	{
47	if (line.StartsWith("@ADDTO "))
48	{
49	string operation = line;
50	string xmlToInject = "";
51
52	file.ReadLine(); //ignore <xml> start header
53	while ((line = file.ReadLine()) != "</xml>")
54	{
55	xmlToInject += line + System.Environment.NewLine; //get all the xml that will be injected
56	}
57	if (!addOperation(operation, xmlToInject))
58	{
59	Program.printAppError(Program.appErrors.PATCH_ADDTO_PROCESS_ERROR, "Error while performing adding operation in patch file. Aborting...");
60	return false;
61	}
62	}
63	else if (line.StartsWith("@REMOVE "))
64	{
65	if (!removeOperation(line))
66	{
67	Program.printAppError(Program.appErrors.PATCH_REMOVE_PROCESS_ERROR, "Error while performing remove operation in patch file. Aborting...");
68	return false;
69	}
70	}
71	else if (line.StartsWith("@COMMAND "))
72	{
73	if (!executeCommand(line))
74	{
75	Program.printAppError(Program.appErrors.PATCH_COMMAND_PROCESS_ERROR, "Error while performing command operation in patch file. Aborting...");
76	return false;
77	}
78	}
79	else if (line.StartsWith("@CUSTOMCODE "))
80	{
81	string operation = line;
82	string jsCode = "";
83
84	file.ReadLine(); //ignore <xml> start header
85	while ((line = file.ReadLine()) != "</code>")
86	{
87	jsCode += line + System.Environment.NewLine; //get all the xml that will be injected
88	}
89	if (!executeCode(operation, jsCode))
90	{
91	Program.printAppError(Program.appErrors.PATCH_CODE_PROCESS_ERROR, "Error while performing code operation in patch file. Aborting...");
92	return false;
93	}
94	}
95	}
96
97	file.Close();
98
99	return true;
100	}
101
102	/// <summary>
103	/// Inserts xml in a desired Element. Returns true or false if it succeeds
104	/// </summary>
105	/// <param name="operation"></param>
106	/// <param name="xmlToInject"></param>
107	/// <returns></returns>
108	private bool addOperation(string operation, string xmlToInject)
109	{
110	//@ADDTO File "example.xml" ParentElement "Animation" Element "Lookup"
111
112	string FileParam = "", ParentElementParam = "", ElementParam = "";
113
114	//---------------------------------------------------Parse Operation command (start)
115	try
116	{
117	if (String.IsNullOrEmpty(forceFiles))
118	{
119	FileParam = getPatchParameter(operation, "File");
120	}
121	else
122	{
123	FileParam = forceFiles;
124	}
125
126	ParentElementParam = getPatchParameter(operation, "ParentElement"); //Get the ParentElement
127
128	ElementParam = getPatchParameter(operation, "Element"); //Get the Element
129	}
130	catch (Exception e)
131	{
132	Program.printAppError(Program.appErrors.PATCH_ADDTO_ERROR_PARSING_XML, "Error parsing addOperation in Patch file.\n" + e.ToString());
133	return false;
134	}
135
136	if (String.IsNullOrEmpty(ElementParam))
137	{
138	return false;
139	}
140
141	//---------------------------------------------------Parse Operation command (end)
142	List<String> filesToProcess = new List<String>();
143	if (String.IsNullOrEmpty(FileParam))
144	{
145	filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
146	}
147	else if (Util.containsWildcard(FileParam))
148	{
149	filesToProcess = Util.getXmlFilesWildcard(FileParam);
150	}
151	else
152	{
153	filesToProcess.Add(FileParam);
154	}
155
156	//---------------------------------------------------XML Injection (start)
157	foreach (String currFile in filesToProcess)
158	{
159	if (!this.globalNoBackups && !Util.ContainsIgnoreCase(operation, "NoBackups")) // only skip backup if specified via global parameter or in patch file
160	{
161	Util.backupFile(currFile);
162	}
163
164	XmlDocument xdoc = new XmlDocument();
165	xdoc.Load(currFile);
166
167	List<XmlNode> myElements = new List<XmlNode>();
168	Util.getAllSpecificElements(xdoc.DocumentElement, ref myElements, ElementParam, ParentElementParam); //Returns all after "Oni" element
169
170	if (myElements.Count == 0)
171	{
172	Program.printAppError(Program.appErrors.PATCH_ELEMENT_NOT_FOUND, "Error in addOperation in Patch file: the element specified doesn't exist.");
173	return false;
174	}
175
176	try
177	{
178	XmlNode newXml = xdoc.ImportNode(Util.stringToXmlNode(xmlToInject), true); //necessary to import node or ArgumentException will be thrown when appending
179
180	myElements[myElements.Count - 1].AppendChild(newXml); // Append the code after last element
181
182	xdoc.Save(currFile);
183	}
184	catch (XmlException e)
185	{
186	Program.printAppError(Program.appErrors.PATCH_ADDTO_ERROR_PARSING_XML, "Error parsing xml to addOperation in Patch file.\n" + e.ToString());
187	return false;
188	}
189	}
190	//---------------------------------------------------XML Injection (end)
191
192	return true;
193	}
194
195	/// <summary>
196	/// Removes a xml element, right now it removes the first element it finds with matchs "Element" and "ParentElement" parameters
197	/// </summary>
198	/// <param name="operation"></param>
199	/// <returns>true or false depending if succeed or not</returns>
200	private bool removeOperation(string operation)
201	{
202	//@REMOVE File "example.xml" ParentElement "Particles" Element "Particle"
203
204	string FileParam = "", ParentElementParam = "", ElementParam = "";
205
206	//---------------------------------------------------Parse Operation command (start)
207	try
208	{
209	if (String.IsNullOrEmpty(forceFiles))
210	{
211	FileParam = getPatchParameter(operation, "File");
212	}
213	else
214	{
215	FileParam = forceFiles;
216	}
217
218	ParentElementParam = getPatchParameter(operation, "ParentElement"); //Get the ParentElement
219
220	ElementParam = getPatchParameter(operation, "Element"); //Get the Element
221	}
222	catch (Exception e)
223	{
224	Program.printAppError(Program.appErrors.PATCH_REMOVE_PROCESS_ERROR, "Error parsing removeOperation in Patch file.\n" + e.ToString());
225	return false;
226	}
227
228	if (String.IsNullOrEmpty(ElementParam))
229	{
230	return false;
231	}
232
233	//---------------------------------------------------Parse Operation command (end)
234
235	List<String> filesToProcess = new List<String>();
236	if (String.IsNullOrEmpty(FileParam))
237	{
238	filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
239	}
240	else if (Util.containsWildcard(FileParam))
241	{
242	filesToProcess = Util.getXmlFilesWildcard(FileParam);
243	}
244	else
245	{
246	filesToProcess.Add(FileParam);
247	}
248
249	//---------------------------------------------------XML Remove (start)
250
251	foreach (String currFile in filesToProcess)
252	{
253
254	if (!this.globalNoBackups && !Util.ContainsIgnoreCase(operation, "NoBackups")) // only skip backup if specified via global parameter or in patch file
255	{
256	Util.backupFile(currFile);
257	}
258
259	XmlDocument xdoc = new XmlDocument();
260	xdoc.Load(currFile);
261
262	List<XmlNode> myElements = new List<XmlNode>();
263	Util.getAllSpecificElements(xdoc.DocumentElement, ref myElements, ElementParam, ParentElementParam); //Returns all after "Oni" element
264
265	if (myElements.Count == 0)
266	{
267	Program.printAppError(Program.appErrors.PATCH_ELEMENT_NOT_FOUND, "Error in removeOperation in Patch file: the element specified doesn't exist.");
268	return false;
269	}
270
271	myElements[0].ParentNode.RemoveChild(myElements[0]); // Removes the first occurrence which matches the "Element" and "ParentElement" given
272
273	xdoc.Save(currFile);
274
275	}
276	//---------------------------------------------------XML Remove (end)
277
278
279	return true;
280	}
281
282	/// <summary>
283	/// Executes a command for xmlTools
284	/// </summary>
285	/// <param name="command"></param>
286	/// <returns>true or false depending if succeed or not</returns>
287	private bool executeCommand(string command)
288	{
289	//---------------------------------------------------Parse Operation command (start)
290
291	command = command.Replace("@COMMAND ", ""); //get only the command to process
292
293	if (String.IsNullOrEmpty(command.Trim()))
294	{
295	Program.printAppError(Program.appErrors.PATCH_COMMAND_NOT_FOUND, "Error parsing commandOperation in Patch file: Command is empty.");
296	return false;
297	}
298
299	try
300	{
301	if (!String.IsNullOrEmpty(forceFiles))
302	{
303	string paramType = "";
304
305	// Filename already exists?
306	if (Util.ContainsIgnoreCase(command, "filename:"))
307	{
308	paramType = "filename:";
309	}
310	else if (Util.ContainsIgnoreCase(command, "filename="))
311	{
312	paramType = "filename=";
313	}
314	// Add the filename if it doesn't exists
315	else
316	{
317	command = command.Insert(command.Length, " -filename:" + this.forceFiles);
318	}
319
320	if (!String.IsNullOrEmpty(paramType))
321	{
322	int startIdx = command.IndexOf(paramType) + paramType.Length;
323	int endIdx = command.IndexOf(" ", startIdx); // it may end with space
324	if (endIdx == -1)
325	{
326	endIdx = command.IndexOf("\n", startIdx); // or with endline
327	if (endIdx == -1)
328	{ // Filename parameters is the last one in the file (file ends with this parameter)
329	endIdx = command.Length - 1;
330	}
331	}
332	string currFilename = command.Substring(startIdx, endIdx - startIdx);
333	command = command.Replace(currFilename, this.forceFiles);
334	}
335
336	}
337
338	if (this.globalNoBackups && !Util.ContainsIgnoreCase(command, "nobackups")) // add noBackup flag if provided as global parameter
339	{
340	command = command.Insert(command.Length, " -nobackups");
341	}
342
343	Program.Main(Util.stringToArgsArray(command)); // use the current process is more efficient than start a new one
344	}
345	catch (Exception e)
346	{
347	Program.printAppError(Program.appErrors.PATCH_COMMAND_PROCESS_ERROR, "Error processing command in Patch file.\n" + e.ToString());
348	return false;
349	}
350
351	return true;
352	}
353
354	/// <summary>
355	/// Executes custom Javascript code over the xml file specified. Uses .NET JINT library.
356	/// </summary>
357	/// <param name="command"></param>
358	/// <returns></returns>
359	private bool executeCode(string operation, string jsCode)
360	{
361	string FileParam = "";
362
363	//---------------------------------------------------Parse Operation command (start)
364	try
365	{
366	if (String.IsNullOrEmpty(forceFiles))
367	{
368	FileParam = getPatchParameter(operation, "File");
369	}
370	else
371	{
372	FileParam = forceFiles;
373	}
374
375	}
376	catch (Exception e)
377	{
378	Program.printAppError(Program.appErrors.PATCH_CODE_PROCESS_ERROR, "Error parsing codeOperation in Patch file.\n" + e.ToString());
379	return false;
380	}
381
382	//---------------------------------------------------Parse Operation command (end)
383	List<String> filesToProcess = new List<String>();
384	if (String.IsNullOrEmpty(FileParam))
385	{
386	filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
387	}
388	else if (Util.containsWildcard(FileParam))
389	{
390	filesToProcess = Util.getXmlFilesWildcard(FileParam);
391	}
392	else
393	{
394	filesToProcess.Add(FileParam);
395	}
396
397	//---------------------------------------------------JS Code Proccess (start)
398	foreach (String currXMLFile in filesToProcess)
399	{
400	if (!this.globalNoBackups && !Util.ContainsIgnoreCase(operation, "NoBackups")) // only skip backup if specified via global parameter or in patch file
401	{
402	Util.backupFile(currXMLFile);
403	}
404
405	string xmlFileContent = File.ReadAllText(currXMLFile);
406
407	// Initialize Jint Engine
408	if (jsEngine == null)
409	{
410	jsEngine = new IronJS.Hosting.CSharp.Context();
411
412	// Load XML libraries
413	jsEngine.Execute(xmlTools.Properties.Resources.tinyxmlsax);
414	jsEngine.Execute(xmlTools.Properties.Resources.tinyxmlw3cdom);
415	}
416
417	// Construct code to execute
418	StringBuilder sourceCode = new StringBuilder();
419
420	// give user the xml we needs to edit...
421	sourceCode.Append("var $xmlData='").Append(xmlFileContent.Replace(System.Environment.NewLine, " \\" + System.Environment.NewLine)).Append("';").AppendLine(); // replace is for multine string in javascript (http://stackoverflow.com/questions/805107/creating-multiline-strings-in-javascript)
422	// append the user js code...
423	sourceCode.Append(jsCode).AppendLine();
424	// return to .NET the new xml data
425	sourceCode.Append("$xmlData;");
426
427	try
428	{
429	xmlFileContent = jsEngine.Execute(sourceCode.ToString()).ToString();
430	}
431	catch (Exception e)
432	{
433	Program.printAppError(Program.appErrors.PATCH_CODE_PROCESS_ERROR, "Error parsing code in customCodeOperation in Patch file.\n" + e.ToString());
434	return false;
435	}
436
437	// Let's see if the returned result is valid xml...
438	try
439	{
440	XmlDocument xmlDoc = new XmlDocument();
441
442	xmlDoc.LoadXml(xmlFileContent);
443
444	xmlDoc.Save(currXMLFile); //saving the new xml with this method will auto ident it.
445
446	}
447	catch (Exception e)
448	{
449	Program.printAppError(Program.appErrors.PATCH_CODE_PARSE_XML_OUTPUT_ERROR, "Error parsing result xml to customCodeOperation in Patch file.\n" + e.ToString());
450	return false;
451	}
452	}
453	//---------------------------------------------------JS Code Proccess (end)
454
455	return true;
456	}
457
458	private string getPatchParameter(string line, string parameterName)
459	{
460	string result = "";
461	int startIdx = 0, endIdx = 0;
462
463	string temp = parameterName + " \"";
464
465	startIdx = line.IndexOf(temp);
466	if (startIdx != -1) //we have Parameter specified
467	{
468	startIdx += temp.Length;
469	endIdx = line.IndexOf("\"", startIdx);
470	result = line.Substring(startIdx, endIdx - startIdx); //Get the parameter value
471	}
472
473	return result;
474	}
475	}
476	}